CN109243878A - A kind of three position opening/closing operation mechanisms of change-over switch - Google Patents
A kind of three position opening/closing operation mechanisms of change-over switch Download PDFInfo
- Publication number
- CN109243878A CN109243878A CN201811078987.3A CN201811078987A CN109243878A CN 109243878 A CN109243878 A CN 109243878A CN 201811078987 A CN201811078987 A CN 201811078987A CN 109243878 A CN109243878 A CN 109243878A
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- change gear
- shaft
- mounting rack
- slot
- gear
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of three position opening/closing operation mechanisms of change-over switch, shaft, mounting rack, translation component, detent component and coil group including external connection to contact system；The divide-shut brake for completing three positions is driven by coil group by translation component, detent component positions three positions, and translation component drive shaft completes the divide-shut brake of external connection to contact system.Cooperate motor-driven mode relative to conventional gear assembly, realize simpler in structure, eliminates the cumbersome and abrasion engaged between original components, mass activity simplicity is stablized；The positioning stablity of three positions, can two closing positions of good limit and an open position, guarantee that contact system punishment that shaft is connected to is closed a floodgate the accurate limit after conversion, the position of divide-shut brake is stablized.The energy that the mode that coil drive changes lock uses is less, is only that mechanical caging is completed in the energization of moment, does not consume energy usually, more energy saving.
Description
Technical field
The present invention relates to electric switch fields, more particularly, to a kind of three position opening/closing operation mechanisms of change-over switch.
Background technique
Change-over switch is widely used in the various places for needing uninterrupted power supply, realizes loaded line in two-way power supply
Between conversion, to guarantee the reliability of customer power supply.In order to realize contact system divide-shut brake conversion, existing structure be from
Extend shaft in contact system, which drives rotation by operating mechanism, and operating mechanism connects motor, is driven by motor
Rotation switching, operating mechanism itself can also be rotated by manual operation.Existing operating mechanism use substantially gear structure into
Row rotary drive lacks relatively firm structure to limit the stop position of operating mechanism, it is possible that division gate position is not
Stable situation.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of three position breaking-closing operating machines of change-over switch
Structure positions division gate position by magnetic come driving structure and by elastic engaging, realizes divide-shut brake with more simple structure
Operation.
The invention adopts the following technical scheme: a kind of three position opening/closing operation mechanisms of change-over switch, including externally connect
It is connected to shaft, mounting rack, translation component, detent component and the coil group of contact system；Translation component include translation shaft, swing arm and
Locating part, translation shaft can horizontal sliding be set on mounting rack, swing arm is rotatably arranged on mounting rack, translation shaft and pendulum
Arm mutually links, swing arm and shaft linkage rotation；Coil group includes being located at the closing coil of translation shaft axial sides and being located at
The end of the opening coil of translation shaft side, translation shaft is the actuation portion that can be attracted magnetically, and actuation portion is sheathed on closing coil
In, magnetic force, which is generated, when side closing coil is powered attracts the side actuation portion；Detent component includes snap-gauge and elastic component, on snap-gauge
There are three card slot, three card slots are connected to by a loose slot for axial setting along translation shaft, and locating part is located in loose slot and with flat
It is stuck in three card slots when moving axis translation in place, the closing position of the corresponding left and right of three card slots and the open position at middle part, elasticity
Part enables card slot mutually block with locating part the limit that offsets of snap-gauge elasticity, and snap-gauge active compression elastic component season locating part is detached from card slot and arrives
Up to loose slot, the actuation axis that snap-gauge connection one can be attracted magnetically is attracted axle sleeve and is set in opening coil, when opening coil is powered
When generate magnetic force and attract and be attracted axis to drive snap-gauge movable.
As an improvement shaft is rotatably arranged on the rotary shaft on mounting rack and as swing arm, locating part is in column
Shape is simultaneously arranged on translation shaft, and the lower part of swing arm has first kidney slot passed through for translation shaft, and translation shaft and swing arm pass through
The cooperation of locating part and the first kidney slot links.
As an improvement locating part includes cylinder and column sleeve, the lower part of swing arm is in U-shape and in two sides setting symmetrical the
One kidney slot, cylinder are arranged on translation shaft and pass through the first kidney slot of two sides, mounting rack be arranged in translation shaft two sides and
Two sides all have slippage slot, and the both ends of cylinder are arranged column sleeve, and column sleeve cooperates in slippage slot to be slid and protrude into card slot and activity
Cooperated at slot, the annular table that outer diameter is greater than column sleeve ontology is provided on the inside of column sleeve, the size of annular table is greater than two sides
First kidney slot and slippage slot size and column sleeve is limited.
As an improvement the top of swing arm is provided with an adjustment hole interted for external knob.
As an improvement being provided with projection in shaft, the two sides on mounting rack with respect to shaft are provided with microswitch, when
When translation shaft is in open position, projection is centrally located and separates with microswitch, when translation shaft is in closing position,
Projection goes to left or right side by shaft and contacts and trigger microswitch.
As an improvement snap-gauge includes transverse slat and riser interconnected, card slot and loose slot are located on riser, riser
It is adjacent with a part of mounting rack to be arranged in parallel, open up several second kidney slots on riser, setting is for several the on mounting rack
The outer end of several limited posts that two kidney slots match, limited post enables riser be installed on mounting rack side towards riser installation locating part
Side, the direction of the second kidney slot are axial consistent with actuation axis；Transverse slat extends outwardly with respect to riser and is installed with axis is attracted
It is fixed.
It is attracted on the outside of axis as an improvement elastic component is sheathed on, upper end offsets with transverse slat, and lower end offsets with mounting rack.
As an improvement being additionally provided with contact switching mechanism between shaft and contact system, contact switching mechanism includes
Central gear, the main change gear being separately connected with two groups of moving contacts of major-minor in contact system and secondary change gear, centre tooth
Wheel is set in shaft and links, and the periphery of central gear is set as one section of arc cooperating teeth and one section without sector, main switching
Gear and secondary change gear are located at upper and lower two arc cooperating teeth and the boundary position without sector, when central gear carries out just
When turning or inverting, arc cooperating teeth turns to main change gear or secondary change gear is engaged transmission, and the other side turns without sector
Contact is not generated to secondary change gear or main change gear.
As an improvement being provided with reset spring, two groups of reset springs one in main change gear and secondary change gear
End is separately connected main change gear and secondary change gear, and the other end is fixed with mounting rack, when main change gear or secondary change gear
Stretching or compression reseting spring when rotating are driven by central gear, in central gear return, reset spring is to main change gear
Or secondary change gear provides restoring force.
As an improvement being provided with block in main change gear and secondary change gear, it is provided with and keeps off on mounting rack
Block matches the bumping post of conflict, and the conflict position of block and bumping post is arranged to be reset spring for main change gear and secondary change gear
Block and bumping post offset when drive carries out being reset to initial position.
Beneficial effects of the present invention: cooperating detent component, coil group to complete the divide-shut brake of three positions by translation component,
Cooperate motor-driven mode relative to conventional gear assembly, realized in structure it is simpler, eliminate original components it
Between engage cumbersome and abrasion, mass activity simplicity stablizes；The positioning stablity of three positions, can two closing positions of good limit
Accurate limit after setting the contact system punishment combined floodgate conversion being connected to an open position, guarantee shaft, divide-shut brake
Stablize position.The energy that the mode that coil drive changes lock uses is less, is only that mechanical caging is completed in the energization of moment, usually
Energy is not consumed, it is more energy saving.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram after change-over switch removal part enclosure of the invention.
Fig. 2 is the schematic enlarged-scale view in Fig. 1 at M.
Fig. 3 is the three-dimensional structure diagram one after opening/closing operation mechanism removal part of the invention.
Fig. 4 is the three-dimensional structure diagram two after opening/closing operation mechanism removal part of the invention.
Fig. 5 is the three-dimensional structure diagram of contact switching mechanism of the invention.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiments of the present invention.
It is a kind of specific reality of three position opening/closing operation mechanisms of change-over switch of the present invention as shown in Fig. 1,2,3,4,5
Apply example.The embodiment includes external connection to the shaft 0 of contact system, mounting rack 1, translation component 2, detent component 3 and coil
Group 4；Translating component 2 includes translation shaft 21, swing arm 22 and locating part 23, translation shaft 21 can horizontal sliding be set to mounting rack 1
On, swing arm 22 is rotatably arranged on mounting rack 1, and translation shaft 21 and swing arm 22 mutually link, and swing arm 22 and the linkage of shaft 0 are revolved
Turn；Coil group 4 includes the opening coil positioned at the closing coil 41 of 21 axial sides of translation shaft and positioned at 21 side of translation shaft
42, the end of translation shaft 21 is the actuation portion 211 that can be attracted magnetically, and actuation portion 211 is sheathed in closing coil 41, works as side
Magnetic force is generated when closing coil 41 is powered attracts the side actuation portion 211；Detent component 3 includes snap-gauge 31 and elastic component 32, snap-gauge
There are three card slot 311, three card slots 311 are connected to by a loose slot 312 for axial setting on 31 along translation shaft 21, and locating part 23
It is stuck in three card slots 311 in loose slot 312 and when being translated in place with translation shaft 21, the conjunction of the corresponding left and right of three card slots 311
The open position of gate position and middle part, elastic component 32 enable card slot 311 and 23 phase card of locating part to the limit that offsets of 31 elasticity of snap-gauge, block
The seasonal locating part 23 of 31 active compression elastic component of plate 32 is detached from card slot 311 and reaches loose slot 312, and the connection of snap-gauge 31 one can be magnetic
The actuation axis 310 of attraction, is attracted axis 310 and is sheathed in opening coil 42, and magnetic force is generated when opening coil 42 is powered and attracts suction
Sympodium 310 is to drive snap-gauge 31 movable.
In the use of the present invention, being suitable for the change-over switch of three positions switching, i.e. two closing positions and a sub-gate position
It sets, corresponds to three card slots 311 on snap-gauge 31, the card slot 311 of left and right two is two closing positions, intermediate card slot 311
For open position.When carrying out the switching of divide-shut brake: by taking combined floodgate to be switched to as an example, the closing coil 41 of side is powered on,
The actuation portion 211 of side where it can be attracted, 23 stress of locating part can open the entity part between card slot 311, to overcome bullet
Property part 32 power snap-gauge 31 is pushed, when locating part 23 it is opposite leave card slot 311 reach loose slot 312 when can carry out it is flat
It moves；Locating part 23 drives translation shaft 21 movable together, when locating part 23 reaches the extreme position to close a floodgate, switching is completed, by elasticity
Part 32 drives the card slot 311 resetted that can again block locating part 23, it is not allowed to leave the closing position；It closes a floodgate after completing work
Coil 41 can power off, more energy saving.Either close a floodgate from side and close a floodgate to the other side, or from separating brake to combined floodgate, by with
Upper movement is realized.And when to be switched to the combined floodgate of certain side from separating brake, it is powered on by opening coil 42, snap-gauge 31 can be attracted
The actuation axis 310 connected moves down so that snap-gauge 31 is moved down i.e. card slot 311, and loose slot 312 reaches locating part 23, locating part
23 lose the limit of card slot 311, can swing to middle position, and after the power-off of opening coil 42, elastic component 32 drives reset
Card slot 311 again blocks locating part 23, it is enabled to stablize in intermediate open position.With translation shaft 21 link swing arm 22 with
Swing the divide-shut brake switching to which drive shaft 0 rotates, at achievable contact system.The above structure realizes automatic divide-shut brake,
And snap-gauge 31 is manually pushed by staff, manually separating brake can be carried out；It is rotated by manual actuation swing arm 22, it can be with
Integrally-built movement is driven to close a floodgate.Entity part between card slot 311 can be set to the surface of arc, convenient for automatic or
The translation of person's manual case lower limit part 23 squeezes the surface of arc and is opened.The present invention matches relative to conventional gear assembly
Motor-driven mode is closed, realizes simpler in structure, eliminates engage between original components cumbersome and abrasion, it is whole
It is movable easy to be stable；The positioning stablity of three positions, can two closing positions of good limit and an open position, guarantee turn
Accurate limit after the contact system punishment combined floodgate conversion that axis is connected to, the position of divide-shut brake is stablized.Coil drive changes lock
The energy that mode uses is less, is only that mechanical caging is completed in the energization of moment, does not consume energy usually, more energy saving.
As an improvement specific embodiment, shaft 0 is rotatably arranged on mounting rack 1 and as swing arm 22
Rotary shaft, locating part 23 is cylindrical and is arranged on translation shaft 21, the lower part of swing arm 22 have one passed through for translation shaft 21 the
One kidney slot 221, translation shaft 21 and swing arm 22 are linked by locating part 23 and the cooperation of the first kidney slot 221.
As shown in Figure 1,2,3, 4, swing arm 22 and 0 linkage rotation of shaft, the translation shaft 21 of 22 side of swing arm link, shape
At good linkage structure；The position of shaft 0 itself is stablized, and can be driven with good external connection to contact system；Translation
Axis 21 only carries out horizontal movement, and the entirety of swing arm 22 will carry out the swing of circumference, therefore the first kidney slot 221 and limit is arranged
The mode that position part 23 cooperates, in the case where enabling the circular motion of translation and the swing arm 22 of translation shaft 21 realize, the two is by locating part
23 can be driven with the conflict of 221 side wall of the first kidney slot, and in 22 change in location of swing arm, locating part 23 is along the first waist
Shape hole 221 is mobile, good to realize transmission and interstructural activity, can carry out stable divide-shut brake switching action.
As an improvement specific embodiment, locating part 23 include cylinder 231 and column sleeve 232, the lower part of swing arm 22
It is in U-shape and symmetrical first kidney slot 221 is set in two sides, cylinder 231 is arranged on translation shaft 21 and passes through the first of two sides
Kidney slot 221, mounting rack 1 is arranged in 21 two sides of translation shaft and two sides all have slippage slot 11, and the both ends of cylinder 231 are arranged column
Set 232, column sleeve 232 cooperate to slide and protrude at card slot 311 and loose slot 312 in slippage slot 11 and be cooperated, column sleeve 232
Inside be provided with the annular table 233 that outer diameter is greater than 232 ontology of column sleeve, the size of annular table 233 is greater than the first kidney-shaped of two sides
Hole 221 and 11 size of slippage slot and column sleeve 232 is limited.
As shown in Figure 1,2,3, 4, the good slippage slot 11 in mounting rack 1 of axle construction that cylinder 231 and column sleeve 232 form
In carry out translation activity, symmetrically arranged two the first kidney slots 221 can guarantee good fit and stress is steady with cylinder 231
Fixed, what translation shaft 21 can match is contained in the U-shaped space of 22 lower part of swing arm, stable structure；Column sleeve 232 can be rotatable
Setting on cylinder 231, enable it carry out rolling cooperation with slippage slot 11, card slot 311, loose slot 312, reduce frictional force, point
It closes a floodgate more smooth.After cylinder 231 and the installation of column sleeve 232 are integrated, the setting of annular table 233 is good to limit cylinder
Position between 231 and swing arm 22, mounting rack 1 enables installation between structure stablize.
As an improvement specific embodiment, the top of swing arm 22 be provided with one for external knob intert adjustment hole
222.It as shown in Figure 1,2,3, 4, can be on the basis of swing arm 22 in adjustment hole when manual operation carries out breaking-closing operating
Handle is plugged in 222 position, extends the whole arm of force, and staff's operating handle that can easily exert a force carries out the rotation of swing arm 22
Turn, to complete breaking-closing operating.
As an improvement specific embodiment, projection 01 is provided in shaft 0, with respect to the two of shaft 0 on mounting rack 1
Side is provided with microswitch 02, when translation shaft 21 is in open position, projection 01 it is centrally located and with microswitch 02
Separation, when translation shaft 21 is in closing position, projection 01 goes to left or right side by shaft 0 and contacts and trigger microswitch
02.As shown in figure 4, projection 01 is located directly below in open position, separated with microswitch 02, when rotate forward or anti-
Then when closing a floodgate, shaft 0 drives projection 01 to contact with the microswitch 02 of wherein side and trigger the side microswitch 02, fine motion
Switch 02 can feed back the signal of combined floodgate, the accurate position feelings inside it can understand in the case where shell covers in structure
Condition, convenient for management and debugging.
As an improvement specific embodiment, snap-gauge 31 include transverse slat 314 interconnected and riser 313, card slot
311 and loose slot 312 be located on riser 313, riser 313 and a part of mounting rack 1 is adjacent is arranged in parallel opens up on riser 313
Several limited posts 12 for matching with several second kidney slots 315, limit are arranged on mounting rack 1 for several second kidney slots 315
Locating part 13 is installed towards riser 313 in the outer end of position column 12 enables riser 313 be installed on 1 side of mounting rack, the second kidney slot 315
Direction is axial consistent with actuation axis 310；Transverse slat 314 extends outwardly with respect to riser 313 and install admittedly with axis 310 is attracted
It is fixed.
It as shown in Figure 1,2,3, 4, is specific 31 structure of snap-gauge, 1 a part of mounting rack forms U-shaped, and side is separately provided
Slippage slot 11, the other side are arranged four groups of limited posts 12, open up four second on riser 313 on the basis of slippage slot 11 are arranged
The correspondence of kidney slot 315 is installed at four groups of limited posts 12, is neatly arranged at four angles of mounting rack 1, is conducive to riser 313
Stablize arrangement, locating part 13 outside limited post 12 it is stable be mounted with riser 313, enable riser 313 only can be along vertical direction
Activity；Card slot 311 and loose slot 312 in the middle part of geometry can be stable it is up and down.Transverse slat 314 hangs down with 313 phase of riser
Straight setting outward, its underpart connection are attracted axis 310 and offset with elastic component 32, and riser can be driven by pushing transverse slat 314 from top
313 activities, realize manual brake separating.
As an improvement specific embodiment, elastic component 32, which is sheathed on, is attracted the outside of axis 310, upper end and transverse slat 314
It offsets, lower end offsets with mounting rack 1.As shown in Fig. 1,2,4, the concretely spring of elastic component 32 is sheathed on and is attracted outside axis 310
Be limited up and down behind side, simple and stable structure stores power when being compressed downwardly, provide when replying to the elastic force of riser 313 and
Stability force after replying in place.
As an improvement specific embodiment, contact switching mechanism 5 is additionally provided between shaft 0 and contact system,
Contact switching mechanism 5 includes the main change gear that two groups of moving contacts of major-minor in central gear 51 and contact system are separately connected
52 are set in shaft 0 and link with secondary change gear 53, central gear 51, and the periphery of central gear 51 is set as one section of arc
Shape cooperating teeth 511 and one section are located at two arcs cooperations up and down without sector 512, main change gear 52 and secondary change gear 53
Tooth 511 and boundary position without sector 512, when central gear 51 carries out forward or reverse, arc cooperating teeth 511 turns to master and cuts
Gear changing 52 or secondary change gear 53 are engaged transmission, and the other side turns to secondary change gear 53 or main switching without sector 512
Gear 52 does not generate contact.
General contact system drives a moving contact rotation, a moving contact rotation and upper and lower two chambers using an axis
The static contact of room, which closes a floodgate, realizes the switching of two-way；Single moving contact toggles, the pressure and abrasion born all be it is double,
In order to improve the service life and service performance of components, some change-over switches can be independent quiet using two groups of independence moving contact cooperations
The structure of contact.As shown in figure 5, setting contact switching mechanism 5 enables three position opening/closing operation mechanisms of the invention can be applied to
The contact system of two groups of moving contacts.Main change gear 52 and secondary change gear 53 are separately connected two groups of the major-minor in contact system and move
Contact；In switching, realize that the entire periphery of central gear 51 is divided into arc cooperating teeth using the special designing of central gear 51
511 and without sector 512, enable it only engage when rotated with the main change gear 52 of side or secondary change gear 53.If Fig. 5 is point
The state of lock, when shaft 0 rotates clockwise, the secondary change gear 53 of arc cooperating teeth 511 and lower section is engaged transmission, band
The dynamic switch on of moving contact cooperated with secondary change gear 53, the main change gear 52 that no sector 512 passes through top are not in contact；Turn
Secondary change gear 53 is driven to reset when 0 reversing reset of axis.When shaft 0 rotates counterclockwise, the master of arc cooperating teeth 511 and top
Change gear 52 is engaged transmission, drives the switch on of moving contact with the cooperation of main change gear 52, and no sector 512 passes through lower section
Secondary change gear 53 is not in contact；Main change gear 52 is driven to reset when 0 reversing reset of shaft.The realization of the above well-formed
The transmission respectively of two-way moving contact is not interfere with each other, and is occupied little space in structure, is effectively reduced whole volume.
As an improvement specific embodiment, be provided with reset bullet in main change gear 52 and secondary change gear 53
Spring 54, two groups of 54 one end of reset spring are separately connected main change gear 52 and secondary change gear 53, and the other end and mounting rack 1 are solid
It is fixed, it is stretched when main change gear 52 or secondary change gear 53 are driven by central gear 51 and rotate or compression reseting spring 54,
When 51 return of central gear, 54 pairs of reset spring main change gears 52 or secondary change gear 53 provide restoring force.
As shown in figure 5, providing more stable return by embodiment of above for main change gear 52 and secondary change gear 53
Multiple power advantageously ensures that main change gear 52 and secondary change gear 53 are returned to initial position；On the other hand can also simultaneously band
Dynamic central gear 51 is replied, and guarantees that shaft 0 resets smooth and stable.
As an improvement specific embodiment, be provided with block in main change gear 52 and secondary change gear 53
55, the bumping post 14 that conflict is matched with block 55 is provided on mounting rack 1, based on the conflict position setting of block 55 and bumping post 14
Change gear 52 and secondary change gear 53 are reset the drive of spring 54 14 phase of block 55 and bumping post when carrying out being reset to initial position
It supports.
As shown in figure 5, the bumping post 14 on setting block 55 and mounting rack 1 cooperates on the basis of reset spring 54, guarantee
Initial position can be accurately returned to by the main change gear 52 of reset spring 54 restoring force and secondary change gear 53；Master cuts
Gear changing 52 and secondary change gear 53 can rotate along a direction and stretch reset spring 54, reply backstop 55 in place and kept off
Column 14 limits, and plays the role of guaranteeing main change gear 52 and 53 position of secondary change gear accurately.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of three position opening/closing operation mechanisms of change-over switch, the shaft (0) including external connection to contact system is special
Sign is: further including mounting rack (1), translation component (2), detent component (3) and coil group (4)；The translation component (2) includes
Translation shaft (21), swing arm (22) and locating part (23), the translation shaft (21) can horizontal sliding be set on mounting rack (1),
The swing arm (22) is rotatably arranged on mounting rack (1), and the translation shaft (21) and swing arm (22) are mutually linked, the pendulum
Arm (22) and shaft (0) linkage rotation；The coil group (4) includes the closing coil (41) positioned at translation shaft (21) axial sides
And it is located at the opening coil (42) of translation shaft (21) side, the end of the translation shaft (21) is the actuation that can be attracted magnetically
Portion (211), the actuation portion (211) are sheathed in closing coil (41), generate magnetic force when side closing coil (41) are powered
Attract the side actuation portion (211)；The detent component (3) includes snap-gauge (31) and elastic component (32), edge on the snap-gauge (31)
The axial setting of translation shaft (21) is there are three card slot (311), and three card slots (311) are connected to by a loose slot (312), the limit
Part (23) is located in loose slot (312) and is stuck in three card slots (311) when translating in place with translation shaft (21), three card slots
(311) open position of the closing position of corresponding left and right and middle part, the elastic component (32) offset limit to snap-gauge (31) elasticity
Card slot (311) is enabled mutually to block with locating part (23), snap-gauge (31) active compression elastic component (32) season locating part (23) is detached from card slot
(311) loose slot (312) are reached, the actuation axis (310) that snap-gauge (31) connection one can be attracted magnetically, the actuation axis (310)
It is sheathed in opening coil (42), magnetic force is generated when opening coil (42) are powered and attracts actuation axis (310) to drive snap-gauge
(31) movable.
2. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 1, it is characterised in that: described turn
Axis (0) is rotatably arranged on mounting rack (1) and the rotary shaft as swing arm (22), and the locating part (23) is cylindrical and wears
On translation shaft (21), the lower part of the swing arm (22) has first kidney slot (221) passed through for translation shaft (21), institute
It states translation shaft (21) and swing arm (22) is linked by locating part (23) and the cooperation of the first kidney slot (221).
3. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 2, it is characterised in that: the limit
Position part (23) includes cylinder (231) and column sleeve (232), and the lower part of the swing arm (22) is in U-shape and is arranged symmetrical the in two sides
One kidney slot (221), the cylinder (231) is arranged in the first kidney slot (221) on translation shaft (21) and passing through two sides, described
Mounting rack (1) is arranged in translation shaft (21) two sides and two sides all have slippage slot (11), and the both ends of the cylinder (231) are arranged
Column sleeve (232), the column sleeve (232) cooperation in slippage slot (11) slide and protrude at card slot (311) and loose slot (312)
Cooperated, the annular table (233) that outer diameter is greater than column sleeve (232) ontology, the annular are provided on the inside of the column sleeve (232)
The size of platform (233) be greater than two sides the first kidney slot (221) and slippage slot (11) size and by column sleeve (232) limit.
4. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 2, it is characterised in that: the pendulum
The top of arm (22) is provided with an adjustment hole (222) interted for external knob.
5. a kind of three position opening/closing operation mechanisms of change-over switch according to Claims 2 or 3 or 4, it is characterised in that:
It is provided with projection (01) on the shaft (0), the two sides on the mounting rack (1) with respect to shaft (0) are provided with microswitch
(02), when translation shaft (21) is in open position, projection (01) is centrally located and separates with microswitch (02), when flat
Axis (21) are moved when being in closing position, projection (01) goes to left or right side by shaft (0) and contacts and trigger microswitch (02).
6. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 1 or 2 or 3 or 4, feature exist
In: the snap-gauge (31) include transverse slat interconnected (314) and riser (313), the card slot (311) and loose slot (312)
On riser (313), the riser (313) and a part of mounting rack (1) is adjacent is arranged in parallel is opened on the riser (313)
Be arranged if several second kidney slots (315), on the mounting rack (1) for several second kidney slots (315) if matching
The outer end of dry limited post (12), the limited post (12) enables riser (313) be installed on towards riser (313) installation locating part (13)
Mounting rack (1) side, the direction of second kidney slot (315) are axial consistent with actuation axis (310)；The transverse slat (314)
Opposite riser (313) extend outwardly and carry out installation fixation with axis (310) are attracted.
7. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 6, it is characterised in that: the bullet
Property part (32) be sheathed on and be attracted on the outside of axis (310), upper end offsets with transverse slat (314), and lower end offsets with mounting rack (1).
8. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 1 or 2 or 3 or 4, feature exist
In: it is additionally provided with contact switching mechanism (5) between the shaft (0) and contact system, during the contact switching mechanism (5) includes
Heart gear (51), the main change gear (52) being separately connected with two groups of moving contacts of major-minor in contact system and secondary change gear
(53), the central gear (51) is set on shaft (0) and links, and the periphery of central gear (51) is set as one section of arc
Without sector (512), the main change gear (52) and secondary change gear (53) are located at up and down two for cooperating teeth (511) and one section
A arc cooperating teeth (511) and the boundary position without sector (512), when central gear (51) carry out forward or reverse, arc
Cooperating teeth (511) turns to main change gear (52) or secondary change gear (53) is engaged transmission, the other side without sector (512)
It turns to secondary change gear (53) or main change gear (52) does not generate contact.
9. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 8, it is characterised in that: the master
It is provided with reset spring (54) on change gear (52) and secondary change gear (53), (54) one end of reset spring described in two groups point
Do not connect main change gear (52) and secondary change gear (53), the other end and mounting rack (1) are fixed, when main change gear (52) or
Secondary change gear (53) is driven stretching or compression reseting spring (54) when rotating by central gear (51), returns in central gear (51)
When position, reset spring (54) provides restoring force to main change gear (52) or secondary change gear (53).
10. a kind of three position opening/closing operation mechanisms of change-over switch according to claim 9, it is characterised in that: described
It is provided with block (55), is provided on the mounting rack (1) and block in main change gear (52) and secondary change gear (53)
(55) bumping post (14) of conflict is matched, the conflict position of the block (55) and bumping post (14) is arranged as main change gear (52)
With secondary change gear (53) be reset spring (54) drive carry out being reset to initial position when block (55) and bumping post (14) offset.
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| CN109243878B CN109243878B (en) | 2023-10-20 |
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| CN113643926A (en) * | 2021-09-06 | 2021-11-12 | 杭州玖熠信息科技有限公司 | Auxiliary grounding switch of environment-friendly gas insulation ring main unit |
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| CN109243878B (en) | 2023-10-20 |
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Address after: 325600 No. 205-26, Wei12 Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province Applicant after: ZHEJIANG MOTE ELECTRIC Co.,Ltd. Address before: 325604 Export-oriented Industrial Zone of Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: ZHEJIANG MOTE ELECTRIC Co.,Ltd. |
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