CN108198704A - Structure of contact terminal and the switchgear using the structure of contact terminal - Google Patents
Structure of contact terminal and the switchgear using the structure of contact terminal Download PDFInfo
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- CN108198704A CN108198704A CN201810031296.1A CN201810031296A CN108198704A CN 108198704 A CN108198704 A CN 108198704A CN 201810031296 A CN201810031296 A CN 201810031296A CN 108198704 A CN108198704 A CN 108198704A
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- contact
- clamping plate
- support base
- base
- contact terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- Electromagnetism (AREA)
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Abstract
The present invention relates to controller switching equipment fields, more particularly to structure of contact terminal and the switchgear using the structure of contact terminal.Structure of contact terminal includes pedestal, support base is rotatably equipped on pedestal, it is swung on support base and is equipped with contact base, contact base is equipped with for the connected structure mating with being adapted to contact, support base has angle with contact base relative to the pivot center of pedestal relative to the axis of oscillation of support base, and the contact base has angle relative to the axis of oscillation of support base and the plugging direction of the connected structure.With it is current only by be assemblied on contact base elastic fingertip adaptation moving contact and static contact mismatch error compared with, the contact base of the structure of contact terminal of the present invention can be rotated by support base relative to pedestal and itself adapts to the installation error larger with being adapted to contact relative to the swing of support base, and solving the problems, such as current moving contact, there are can not normally closed during larger installation error with static contact.
Description
Technical field
The present invention relates to controller switching equipment fields, more particularly to structure of contact terminal and the switchgear using the structure of contact terminal.
Background technology
In medium voltage distribution network system, withdraw type metal enclosed switch cabinet is widely used, and such switchgear includes
Cabinet and handcart, are connected between cabinet and handcart by insulating contact, and insulating contact relatively common at present has Mume flower contact, duckbilled
Contact and spring touch finger linking contact.Wherein plum blossom finger-contact type is the main product in current switchgear market, the contact packet
Multi-disc fingertip is included, inner ring is supported by frame, and outer ring tightens fixation by spring.This contact can contain all between handcart and cabinet
The quantitative mismatch error in direction, the contact pressing force between moving contact and static contact ensure by cycle spring.Duckbilled contact mesh
It is preceding in the fewer of withdraw-type switch cabinet application, the inside of Duckbilled contact is supported by frame and by spring straining, this contact
The quantitative error in part direction between handcart and cabinet can be contained.Spring touch finger linking contact is applied in withdraw-type switch cabinet
It is fewer, it is simple in structure, the quantitative error in part direction between handcart and cabinet can be contained.Above-mentioned three kinds of contacts can only
The error enough allowed is only limited to the mismatch error of moving contact and static contact, and allowable range of error is smaller, in handcart and switchgear
Between there are during larger installation error, above-mentioned structure of contact terminal can not ensure the normally closed of moving contact and static contact.
Invention content
The object of the present invention is to provide a kind of structure of contact terminals, and to solve current moving contact, there are larger peaces with static contact
Fill error when can not normally closed the problem of；It is in addition, a kind of using above-mentioned structure of contact terminal the present invention also aims to provide
Switchgear.
To achieve the above object, the first technical solution of structure of contact terminal of the invention is：Structure of contact terminal includes pedestal, base
Support base is rotatably equipped on seat, is swung on support base and is equipped with contact base, contact base is equipped with for being adapted to contact grafting
The connected structure of cooperation, support base have folder with contact base relative to the pivot center of pedestal relative to the axis of oscillation of support base
Angle, the contact base have angle relative to the axis of oscillation of support base and the plugging direction of the connected structure.
Second of technical solution of structure of contact terminal of the present invention be：In the first technical solution of the structure of contact terminal of the present invention
On the basis of, the support base mutually hangs down relative to the pivot center of pedestal with contact base relative to the axis of oscillation of support base
Directly, contact base is vertical with the plugging direction of connected structure relative to the axis of oscillation of support base.Facilitate the arrangement of structure of contact terminal, together
When structure of contact terminal can also be made to adapt to the installation errors of more situations.
The third technical solution of structure of contact terminal of the present invention is：In the first technical solution of the structure of contact terminal of the present invention
On the basis of, the contact base includes stent and swings first clamping plate, the second clamping plate being assemblied on stent, and contact base passes through branch
Frame swing is assemblied on support base, and first, second clamping plate is conductively connected with support base；Contact base further include keep first clamping plate and
Second clamping plate elastic holding structure close to each other, the one end of first, second clamping plate far from support base surround the connected structure.
The contact base being made up of two clamping plates facilitates processing, and two clamping plates can make what two clamping plates surrounded by elastic holding structure
Connected structure adapts to the installation error of bigger.
The 4th kind of technical solution of structure of contact terminal of the present invention be：In the third technical solution of the structure of contact terminal of the present invention
On the basis of, the elastic holding structure includes the pull rod being installed on first, second clamping plate, and the both ends of pull rod, which are equipped with, to be in
Elastic keeper on the outside of first, second clamping plate, first, second clamping plate keep mutually leaning on by the elastic keeper
Closely.Coordinated by pull rod and elastic keeper, can either ensure that the connected structure that first, second clamping plate surrounds can clamp adaptation
Contact, and can ensure the constraint of first, second clamping plate tension member in active procedure.
The 5th kind of technical solution of structure of contact terminal of the present invention be：In the 4th kind of technical solution of the structure of contact terminal of the present invention
On the basis of, the positioning sleeve that is set on the pull rod between first, second clamping plate, first clamping plate and second clamping plate are logical
Cross the both ends that the elastic keeper is fitted in positioning sleeve.Positioning sleeve can prevent first, second clamping plate excessively close, influence to fit
Insertion with contact.
The 6th kind of technical solution of structure of contact terminal of the present invention be：In the third of the structure of contact terminal of the present invention or the 4th or the
On the basis of five kinds of technical solutions, the connected structure include be separately positioned in the first clamping plate and second clamping plate be used for
It is adapted to the grafting fingertip of contact conductive contact.By grafting fingertip with being adapted to contact conductive contact, it can either ensure electric conductivity,
It can be adapted to certain quantitative error again.
The 7th kind of technical solution of structure of contact terminal of the present invention be：In the third of the structure of contact terminal of the present invention or the 4th or the
On the basis of five kinds of technical solutions, the support base includes the contact base mating part coordinated with contact base, contact base auxiliary section
It is divided to and is installed between two clamping plates, is equipped in first clamping plate and the opposite face of second clamping plate and is connect with contact base mating part conduction
Tactile support base fingertip, the first clamping plate and second clamping plate are conductively connected by support base fingertip with support base.Contact base is matched
It closes part to be installed between two clamping plates, can ensure the stability of its electrical connection.In addition, in another skill with positioning sleeve
In art scheme, positioning sleeve can prevent the active force between two clamping plates and contact base mating part excessive, damage support base or
Person's clamping plate, the support base fingertip being also possible on damage support base.
The 8th kind of technical solution of structure of contact terminal of the present invention be：In the 7th kind of technical solution of the structure of contact terminal of the present invention
On the basis of, the stent includes three swinging axles of parallel interval setting, wherein being put in intermediate swinging axle and support base
Dynamic cooperation, the swinging axle in both sides is swung respectively with first, second clamping plate to be coordinated, and support base fingertip is in first clamping plate and the
Position on second splint between two swinging axles.Simplify the structure of stent, while support base fingertip is in two swinging axles
Between, it can ensure the stability that support base fingertip is electrically connected with support base, avoid conductive between support base fingertip and support base
Contact area has big variation.
The 9th kind of technical solution of structure of contact terminal of the present invention be：The present invention structure of contact terminal the first to the 5th kind
In on the basis of any one technical solution, the pedestal is equipped with the Self-resetting elasticity for applying Self-resetting active force to support base
Part.After structure of contact terminal is made to be detached with adaptation contact, support base can return back to initial position.
The tenth kind of technical solution of structure of contact terminal of the present invention be：In the 9th kind of technical solution of the structure of contact terminal of the present invention
On the basis of, the pedestal is equipped with for the position limiting structure with the cooperation of pedestal block after support base rotates set angle.Make
Support base is rotated relative to pedestal in the range of certain angle.
A kind of the tenth technical solution of structure of contact terminal of the present invention is：In the tenth kind of technical side of the structure of contact terminal of the present invention
On the basis of case, the pedestal includes sleeve, and the support base includes the pedestal mating part being inserted into sleeve and stretch out to cover
The contact base mating part of cylinder, the support base are rotatably assorted by pedestal mating part with sleeve, the contact base auxiliary section
It is non-revolved body structure to divide close to one end of sleeve, and the position limiting structure includes being disposed on sleeve close to the one of contact base
Two limiting plates on port edge, contact base mating part are in close to one end of sleeve between two limiting plates, the limiting
Plate and pedestal mating part along sleeve axis direction block coordinate.Matched by limiting plate and contact base mating part rotation stop
It closes, it is simple in structure, while limiting plate can limit pedestal mating part abjection sleeve.
The 12nd kind of technical solution of structure of contact terminal of the present invention be：In a kind of the tenth technology of the structure of contact terminal of the present invention
On the basis of scheme, the elastic self-resetting part is the leaf spring being fixed on limiting plate, leaf spring be arranged on pedestal and contact base it
Between.
The 13rd kind of technical solution of structure of contact terminal of the present invention be：The present invention structure of contact terminal the first to the 5th
In kind on the basis of any one technical solution, the structure of contact terminal is static contact.
To achieve the above object, the first technical solution of switchgear of the invention is：Switchgear include structure of contact terminal and
The adaptation contact being adapted to structure of contact terminal, structure of contact terminal include pedestal, are rotatably equipped with support base on pedestal, are swung on support base
Contact base is equipped with, contact base is equipped with for the connected structure mating with being adapted to contact, and support base is relative to pedestal
Pivot center and contact base have an angle relative to the axis of oscillation of support base, the contact base relative to support base swinging axle
The plugging direction of line and the connected structure has angle.
Second of technical solution of switchgear of the present invention be：In the base of the first technical solution of the switchgear of the present invention
On plinth, the support base is mutually perpendicular to relative to the pivot center of pedestal with contact base relative to the axis of oscillation of support base, is touched
Headstock is vertical with the plugging direction of connected structure relative to the axis of oscillation of support base.
The third technical solution of switchgear of the present invention is：In the base of the first technical solution of the switchgear of the present invention
On plinth, the contact base includes stent and swings first clamping plate, the second clamping plate being assemblied on stent, and contact base is put by stent
Dynamic to be assemblied on support base, first, second clamping plate is conductively connected with support base；Contact base, which further includes, keeps first clamping plate and second
Clamping plate elastic holding structure close to each other, the one end of first, second clamping plate far from support base surround the connected structure.
The 4th kind of technical solution of switchgear of the present invention be：In the base of the third technical solution of the switchgear of the present invention
On plinth, the elastic holding structure includes being installed on pull rod on first, second clamping plate, and the both ends of pull rod are equipped in the
First, the elastic keeper on the outside of second clamping plate, first, second clamping plate keep close to each other by the elastic keeper.
The 5th kind of technical solution of switchgear of the present invention be：In the base of the 4th kind of technical solution of the switchgear of the present invention
On plinth, the positioning sleeve that is set on the pull rod between first, second clamping plate, first clamping plate and second clamping plate pass through institute
State the both ends that elastic keeper is fitted in positioning sleeve.
The 6th kind of technical solution of switchgear of the present invention be：In the third of the switchgear of the present invention or the 4th or the 5th kind
On the basis of technical solution, the connected structure, which includes being separately positioned in the first clamping plate and second clamping plate, to be used for being adapted to
The grafting fingertip of contact conductive contact.
The 7th kind of technical solution of switchgear of the present invention be：In the third of the switchgear of the present invention or the 4th or the 5th kind
On the basis of technical solution, the support base includes the contact base mating part coordinated with contact base, contact base mating part folder
Between two clamping plates, it is equipped with and contact base mating part conductive contact on first clamping plate and the opposite face of second clamping plate
Support base fingertip, the first clamping plate and second clamping plate are conductively connected by support base fingertip with support base.
The 8th kind of technical solution of switchgear of the present invention be：In the base of the 7th kind of technical solution of the switchgear of the present invention
On plinth, the stent includes three swinging axles of parallel interval setting, wherein matching in intermediate swinging axle and support base swing
It closes, the swinging axle in both sides is swung respectively with first, second clamping plate to be coordinated, and support base fingertip is in first clamping plate and the second folder
Position on plate between two swinging axles.
The 9th kind of technical solution of switchgear of the present invention be：The first in the switchgear of the present invention is appointed in the 5th kind
On the basis of a kind of technical solution of anticipating, the pedestal is equipped with the Self-resetting elastic component for applying Self-resetting active force to support base.
The tenth kind of technical solution of switchgear of the present invention be：In the base of the 9th kind of technical solution of the switchgear of the present invention
On plinth, the pedestal is equipped with for the position limiting structure with the cooperation of pedestal block after support base rotates set angle.
A kind of the tenth technical solution of switchgear of the present invention is：In the tenth kind of technical solution of the switchgear of the present invention
On the basis of, the pedestal includes sleeve, and the support base includes the pedestal mating part being inserted into sleeve and stretches out sleeve
Contact base mating part, the support base are rotatably assorted by pedestal mating part with sleeve, and the contact base mating part leans on
One end of nearly sleeve is non-revolved body structure, and the position limiting structure includes being disposed on sleeve close to the Single port of contact base
Two limiting plates on edge, contact base mating part close to one end of sleeve be between two limiting plates, the limiting plate with
Pedestal mating part along sleeve axis direction block coordinate.
The 12nd kind of technical solution of switchgear of the present invention be：In a kind of the tenth technical solution of the switchgear of the present invention
On the basis of, the elastic self-resetting part is the leaf spring being fixed on limiting plate, and leaf spring is arranged between pedestal and contact base.
The 13rd kind of technical solution of switchgear of the present invention be：The present invention switchgear the first in the 5th kind
On the basis of any one technical solution, the structure of contact terminal is static contact, and the adaptation contact is moving contact.
Beneficial effects of the present invention are：The structure of contact terminal of the present invention includes pedestal, and support base is rotatably equipped on pedestal, props up
It is swung on support seat and is equipped with contact base, support base can be rotated relative to pedestal, with current only by being assemblied in contact base
On elastic fingertip adaptation moving contact compared with the mismatch error of static contact, the contact base of structure of contact terminal of the invention can pass through
Support base relative to pedestal rotates and itself is adapted to relative to the swing of support base the larger installation error with being adapted to contact, solution
Having determined current moving contact and static contact can not normally closed when there is larger installation error.
Description of the drawings
The static contact and status diagram during moving contact grafting that Fig. 1 is the specific embodiment 1 of the structure of contact terminal of the present invention；
Fig. 2 is the static contact of the specific embodiment 1 of the structure of contact terminal of the present invention and the shape at another visual angle during moving contact grafting
State schematic diagram；
Fig. 3 is the pedestal of specific embodiment 1 of structure of contact terminal of the present invention and the assembling structure schematic diagram of support base；
Fig. 4 is the structure diagram of the support base of the specific embodiment 1 of the structure of contact terminal of the present invention；
Fig. 5 is the structure diagram of the pedestal of the specific embodiment 1 of the structure of contact terminal of the present invention；
Fig. 6 is the status diagram of two limiting plates of the specific embodiment 1 of the structure of contact terminal of the present invention；
Fig. 7 is the support base of specific embodiment 1 of structure of contact terminal of the present invention and the structure diagram of contact base；
Fig. 8 is the first clamping plate structure diagram of the specific embodiment 1 of the structure of contact terminal of the present invention；
Fig. 9 is the structure diagram of the stent of the specific embodiment 1 of the structure of contact terminal of the present invention；
Figure 10 is the static contact of specific embodiment 1 of structure of contact terminal of the present invention and the inserting state schematic diagram of moving contact；
Figure 11 is the structure diagram of the moving contact of the specific embodiment 1 of the structure of contact terminal of the present invention；
Figure 12 is the sectional view of the contact base of the specific embodiment 1 of the structure of contact terminal of the present invention；
Figure 13 is the partial structural diagram of the specific embodiment 1 of the structure of contact terminal of the present invention；
Figure 14 is the structure diagram of the leaf spring of the specific embodiment 1 of the structure of contact terminal of the present invention；
Figure 15 is the structure diagram of the contact base of the specific embodiment 4 of the structure of contact terminal of the present invention；
Figure 16 is the first clamping plate of specific embodiment 5 of structure of contact terminal of the present invention and the schematic cross-section of second clamping plate；
Figure 17 is the structure diagram of the first clamping plate of the specific embodiment 6 of the structure of contact terminal of the present invention.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the structure of contact terminal of the present invention, the structure of contact terminal in the present embodiment is is fixed on switch cabinet contact
Static contact in box for being adapted to handcart.As depicted in figs. 1 and 2, structure of contact terminal includes pedestal 1, is rotatably equipped on pedestal 1
Support base 2 swings on support base 2 and is equipped with contact base 3.Support base 2 is opposite with contact base 3 relative to the pivot center of pedestal 1
It is mutually perpendicular in the axis of oscillation of support base 2, contact base 3 is relative to the axis of oscillation of support base 2 and the grafting side of connected structure
To vertical.It is conductively connected between contact base and support base, support base is electrically connected the fixation being flexible coupling with end fastening with external
Connection mode, in other embodiment, support base is electrically connected and can also be led by spring touch finger, watchband-shaped contactor and pedestal with external
The mode of electrical connection realizes conduction.
As shown in figure 3, in the present embodiment, pedestal 1 includes sleeve 11 and is disposed on sleeve 11 close to contact base 3 one
Two limiting plates 12 on port edge.Two limiting plates 12 are fixed on by the way that screw is removable on sleeve 11, and the end of sleeve 11 is equipped with
Sleeve mounting hole 112.Limiting plate 12 is equipped with limiting plate mounting hole 122 corresponding with sleeve mounting hole.
As shown in Figure 3 and Figure 4, support base 2 include in sleeve 11 pedestal 1 coordinate pedestal mating part 21 and
The contact base mating part 22 of sleeve 11 is stretched out, in the present embodiment, pedestal mating part 21 is cylindrical structure, pedestal auxiliary section
Divide 21 rolling assemblings in sleeve 11.Contact base mating part 22 is rectangular, and in two close to the section of one end of sleeve 11
Between a limiting plate 12, after support base 2 turns an angle, contact base mating part 22 is close to one end of sleeve 11 and two
12 block of limiting plate coordinates, and limiting plate 12 limits the slewing area of support base 2.In other embodiment, contact base mating part leans on
One end of nearly sleeve is other non-revolved body structures, and contact base mating part can be that ellipse waits it close to an end section of sleeve
His non-circular structure.
As shown in figure 5, one end far from contact base 3 is equipped with to limit of the support base 2 along 11 axial limiting of sleeve on sleeve 11
Position flange 111, defining flange 111 leave sleeve 11 with the cooperation limitation support base 2 of limiting plate 12.
As shown in Figure 2 and Figure 6, the plate for applying Self-resetting active force to support base 2 and contact base 3 is fixed on limiting plate 12
Spring 13, leaf spring 13 form the Self-resetting elastic component for applying Self-resetting active force on pedestal 1 to support base 2 and contact base 3.This implementation
In example, limiting plate 12 is equipped with mounting hole 121, and one end of leaf spring 13 is fitted in limiting plate 12 and support base 2 across mounting hole 121
Between, the other end is connected on contact base 3.There are two leaf spring 13 is set, two leaf springs 13 are correspondingly arranged at two limiting plates respectively
On 12.In contact base 3 after the swing of pedestal 1, leaf spring 13 deforms and energy storage, after moving contact 4 is detached with static contact, in plate
Under the action of spring 13, contact base 3 is reset to home position with support base 2.Plate in the present embodiment as shown in Figure 13 and Figure 14
Spring is the spring steel of bending, and one end bending is pressed under limiting plate and is fixed with limiting plate；One end bending is ridden on contact base, is provided tactile
The reset force of headstock and support base.
In the present embodiment, as shown in Fig. 1, Fig. 7 and Fig. 9, contact base 3 includes stent 31, and stent 31 includes being arranged in parallel in
Two supporting plates 311, parallel interval sets the first swinging axle 312, the second swinging axle 313, third pendulum between two supporting plates 311
Moving axis 314, the second swinging axle 313 are in centre, the second swinging axle 313 and the first swinging axle 312, third swinging axle 314 away from
From equal.It is fixedly connected between three swinging axles and supporting plate 311, in the present embodiment, between supporting plate 311 and three swinging axles
To rivet, in other embodiment, can be bolted between supporting plate 311 and three swinging axles.The contact base of support base 2
Mating part 22, which is sleeved on the second swinging axle 313 and is swung with the second swinging axle 313, to be coordinated.First swinging axle 312, third are swung
Axis 314 swings be equipped with first clamping plate 32 and second clamping plate 33 respectively, and contact base mating part 22 is installed between two clamping plates.
Support base fingertip 34 is equipped on two clamping plates on the opposite face of contact base mating part 22, first clamping plate 32 and second is pressed from both sides
Plate 33 is conductively connected by support base fingertip 34 and support base 2, and in the present embodiment, support base fingertip 34 is in first clamping plate 32
And the position in second clamping plate 33 between two swinging axles.Support base fingertip 34 in the present embodiment selects watchband-shaped contactor,
In other embodiment, spring touch finger can be selected as needed, be flexible coupling etc. and be conductively connected form.Support base fingertip 34 is assembling
Be pre-compressed under the action of first clamping plate 32, second clamping plate 33 after on to clamping plate, ensure first clamping plate 32, second clamping plate 33 with
2 upper contact head seat of support base, 3 conductive contact area.In addition, the slewing area of support base 2 is limited by limiting plate 12, first clamping plate 32
With being limited in second clamping plate 33 close to the spacing of one end of pedestal 1 by the swinging axle for being in both sides, first clamping plate 32 and second is pressed from both sides
The spacing of plate 33 can limit the hunting range of contact base 3.Support base and contact base in the present embodiment are made of electric conductor.
As shown in fig. 7, it is used to be equipped with support base arc surface with the part of 34 conductive contact of support base fingertip on support base 2
221, support base fingertip 34 is in compression work state after the completion of assembling, and when swinging, support base fingertip 34 is propping up contact base 3
It is slided on support seat arc surface 221, decrement remains unchanged, and ensures the stability being electrically connected between support base 2 and contact base 3.
In addition it can also ensure support base 2 and contact base 3 during relative swing, between support base fingertip 34 and support base 2
It is normal to slide, support base fingertip 34 or support base 2 will not be caused to damage.
In order to realize the mating of contact base 3 and moving contact 4, in the present embodiment, first clamping plate 32, second clamping plate
33 one end far from support base 2 surround the connected structure 35 mating with moving contact 4.First clamping plate 32, second clamping plate 33
Centre position is installed there are two pull rod 36, and two pull rods 36 do not influence first along the plugging direction arrangement perpendicular to connected structure
Clamping plate 32, second clamping plate 33 are around the swing for corresponding to swinging axle.The both ends of pull rod 36 are equipped in first clamping plate 32, second clamping plate
The disc spring 37 of 33 phase back sides, first clamping plate 32 keep close to each other, while also carry with second clamping plate 33 under the action of disc spring 37
For the contact force between moving contact 4 and connected structure 35, ensure good electrical contact.
As shown in figure 12, in the present embodiment, one end of pull rod is band cap cylindrical structure, and for installing disc spring, the other end is set
There is gasket, for being limited to disc spring.
Disc spring 37 and pull rod 36 in the present embodiment form contact base 3 for keeping 33 phase of first clamping plate 32 and second clamping plate
Mutually close elastic holding structure, wherein disc spring 37 form the elastic keeper in first clamping plate 32,33 outside of second clamping plate,
In other embodiment, elastic keeper can also be compressed spring or the stretching between first clamping plate and second clamping plate
Spring.
The positioning sleeve 38 being set on pull rod 36 between first clamping plate 32, second clamping plate 33, first clamping plate 32 and
Second splint 33 is fitted in the both ends of positioning sleeve 38 by disc spring.Ensure in first clamping plate 32 and second clamping plate 33 with moving contact 4
Mating connected structure 35 has suitable size so that moving contact 4 is inserted into.In the present embodiment, connected structure 35 includes dividing
It is not arranged in first clamping plate 32 and second clamping plate 33 for grafting fingertip 351 with 4 conductive contact of moving contact, in the present embodiment
Grafting fingertip 351 select watchband-shaped contactor.
First clamping plate 32, the second clamping plate 33 of the present invention keeps close to each other by disc spring 37, and moving contact 4 is inserted into grafting knot
When in structure 35, grafting fingertip 351 is made to keep stable with moving contact 4 under the action of disc spring 37 and is electrically connected.In addition, in pull rod 36
Upper setting positioning sleeve, can prevent that first clamping plate 32, one end hypotelorism far from swinging axle leads to dynamic touch in second clamping plate 33
First 4 the problem of can not being inserted into, while can also avoid first clamping plate 32 and the support base fingertip 34 in second clamping plate 33 and support
Active force between 2 upper contact head seat mating parts 22 of seat excessive causes support base fingertip 34 to be damaged.
First clamping plate 32 is identical with the structure of second clamping plate 33, only the concrete structure of first clamping plate 32 is carried out herein specific
Description, as shown in figure 8, first clamping plate 32 is equipped with the boss 321 backwards to 33 protrusion of second clamping plate, boss 321 is equipped with and is used for
The swinging axle matching hole 322 of cooperation is swung with swinging axle, first clamping plate 32 is equipped with the leaf spring card access surface coordinated with leaf spring 13
326, leaf spring card access surface 326 is in backwards to the side of second clamping plate 33 in first clamping plate 32, and leaf spring card access surface 326 is in boss
Close to the side of pedestal 1.It is set in first clamping plate 32 towards the side of second clamping plate 33 there are two fingertip mounting groove, two fingertips are pacified
One of them in tankage is support base fingertip mounting groove 323, another is grafting fingertip mounting groove 324, is gone back in first clamping plate 32
If there are two the pull rod perforation 325 passed through for pull rod 36, two pull rods 36 are installed in pull rod perforation 325.
In the present embodiment, as shown in Figure 10 and Figure 11, include connecting with handcart with the moving contact 4 of static contact cooperation
Handcart coupling part 41, handcart coupling part 41 are in cylindrical structure.Handcart coupling part is equipped with the conduction of rectangular cross-section
42 are arranged, one end far from handcart coupling part is the moving contact inserted terminal 421 mating with connected structure 35 on busbar 42,
The end face of moving contact inserted terminal 421 is rectangle, and the inserting section of moving contact 4 has necking down structure, ensures moving contact 4 and static contact
Contact base 3 is avoided during plugging together, the swing space of bigger is provided for contact base 3.
The support base 2 of the structure of contact terminal of the present invention can be rotated relative to pedestal 1, and contact base 3 again can be relative to support
Seat 2 is swung, and structure of contact terminal is made to form universal contact, during use, between handcart and switch cabinet body or moving contact
There are during mismatch error between static contact, moving contact 4 first with 35 prealignment of connected structure on static contact, with moving contact
4 continuous insertion, static contact are capable of the position of adaptive moving contact 4, ensure normally plugging together for static contact and moving contact 4.Pass through
3 structure of contact base of clamping plate type, guarantee moving contact 4 are electrically connected stability with static contact.
The specific embodiment 2 of the structure of contact terminal of the present invention, the tool of structure of contact terminal and above-mentioned structure of contact terminal in the present embodiment
Differing only in described in body embodiment：Fingertip is directly directly processed in the first clamping plate of contact base and second clamping plate, this
When relative to installation watchband-shaped contactor for increase cost, also without the stabilization of watchband-shaped contactor structure, but electric conductivity is more preferable.
The specific embodiment 3 of the structure of contact terminal of the present invention, the tool of structure of contact terminal and above-mentioned structure of contact terminal in the present embodiment
Differing only in described in body embodiment：Limiting plate is not provided in the present embodiment, support base can be 360 degree around pivot center
Rotation.
The specific embodiment 4 of the structure of contact terminal of the present invention, the tool of structure of contact terminal and above-mentioned structure of contact terminal in the present embodiment
Differing only in described in body embodiment：As shown in figure 15, contact base 403 uses cylinder-like structure, and contact base includes cylinder
With the grafting fingertip 4351 being arranged in cylinder, one end of cylinder is equipped with to swing the mounting hole being assemblied on support base
4031, the other end is equipped with the connected structure 435 being inserted into for moving contact.
The specific embodiment 5 of the structure of contact terminal of the present invention, the tool of structure of contact terminal and above-mentioned structure of contact terminal in the present embodiment
Differing only in described in body embodiment：As shown in figure 16, in the present embodiment, first clamping plate 532 and second clamping plate 533 can be with
It is curved slab, curved slab is perpendicularly to the plugging direction bending.The curved slab of bending surrounds approximate circle connected structure.
The specific embodiment 6 of the Duckbilled contact of the present invention, the Duckbilled contact in the present embodiment are touched with above-mentioned duck-beak type
Differing only in described in the specific embodiment 1 of head：Clamping plate from using integral type in above-mentioned specific embodiment 1 is different
It is that as shown in figure 17, first clamping plate 432 and second clamping plate are built up by conductive contact finger piece 4321 in the present embodiment, are not required at this time
Set that bearing touches value and value is touched in grafting.
The specific embodiment of the switchgear of the present invention, switchgear include cabinet, are equipped with contact box in cabinet, solid in contact box
Surely there is static contact, circuit breaker cart is additionally provided in cabinet, circuit breaker cart is equipped with and the matched moving contact of static contact, this implementation
The structure of moving contact and static contact in example with it is dynamic described in the specific embodiment 1-5 of above-mentioned structure of contact terminal any one embodiment
Contact is identical with the structure of static contact, repeats no more.
In structure of contact terminal of the invention and the other embodiment using the switchgear of the structure of contact terminal, above-mentioned structure of contact terminal is also
It can be moving contact；Support base can relative to the angle of the axis of oscillation of support base with contact base relative to the pivot center of pedestal
To be any angle between 0 degree to 90 degree, contact base is relative to the axis of oscillation of support base and the plugging direction of connected structure
Angle can be any angle between 0 degree to 90 degree.
It can also be conductively connected between contact base mating part and contact base on above-mentioned support base by the realization that is flexible coupling,
Three swinging axles can be triangularly arranged at this time.
Above-mentioned positioning sleeve can not be set, and set the protrusion mutually abutted respectively on the opposite face of two clamping plates, ensure folder
The connected structure that plate surrounds can be adapted to moving contact.
Claims (10)
1. structure of contact terminal, it is characterised in that：Including pedestal, support base is rotatably equipped on pedestal, swings and is equipped on support base
Contact base, contact base are equipped with for the connected structure mating with being adapted to contact, support base relative to pedestal rotation axis
Line has angle, axis of oscillation and institute of the contact base relative to support base with contact base relative to the axis of oscillation of support base
The plugging direction for stating connected structure has angle.
2. structure of contact terminal according to claim 1, it is characterised in that：The support base relative to pedestal pivot center with
Contact base is mutually perpendicular to relative to the axis of oscillation of support base, contact base relative to support base axis of oscillation and connected structure
Plugging direction is vertical.
3. structure of contact terminal according to claim 1, it is characterised in that：The contact base includes stent and swing is assemblied in branch
First clamping plate, second clamping plate on frame, contact base are assemblied in by stent swing on support base, first, second clamping plate and support
Seat is conductively connected；Contact base, which further includes, keeps first clamping plate and second clamping plate elastic holding structure close to each other, and first, second
The one end of clamping plate far from support base surrounds the connected structure.
4. structure of contact terminal according to claim 3, it is characterised in that：The elastic holding structure includes being installed on first,
Pull rod in second clamping plate, the both ends of pull rod are equipped with the elastic keeper on the outside of first, second clamping plate, described first,
Second clamping plate keeps close to each other by the elastic keeper.
5. structure of contact terminal according to claim 4, it is characterised in that：It is set on the pull rod in first, second folder
Positioning sleeve between plate, first clamping plate and second clamping plate are fitted in the both ends of positioning sleeve by the elastic keeper.
6. according to the structure of contact terminal described in claim 3 or 4 or 5, it is characterised in that：The connected structure includes being separately positioned on
The grafting fingertip with being adapted to contact conductive contact is used in the first clamping plate and second clamping plate.
7. according to the structure of contact terminal described in claim 3 or 4 or 5, it is characterised in that：The support base includes coordinating with contact base
Contact base mating part, contact base mating part is installed between two clamping plates, first clamping plate and the opposite face of second clamping plate
On be equipped with support base fingertip with contact base mating part conductive contact, the first clamping plate and second clamping plate pass through support base
Fingertip is conductively connected with support base.
8. structure of contact terminal according to claim 7, it is characterised in that：The stent includes three pendulum of parallel interval setting
Moving axis coordinates wherein being swung in intermediate swinging axle with support base, the swinging axle in both sides respectively with first, second clamping plate
Cooperation is swung, support base fingertip is in the position between two swinging axles in first clamping plate and second clamping plate.
9. according to claim 1-5 any one of them structure of contact terminals, it is characterised in that：The pedestal is equipped with and support base is applied
Add the Self-resetting elastic component of Self-resetting active force.
10. switchgear, the adaptation contact being adapted to including structure of contact terminal and with structure of contact terminal, it is characterised in that：The structure of contact terminal
For structure of contact terminal described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031296.1A CN108198704B (en) | 2018-01-12 | 2018-01-12 | Contact structure and switch cabinet using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031296.1A CN108198704B (en) | 2018-01-12 | 2018-01-12 | Contact structure and switch cabinet using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108198704A true CN108198704A (en) | 2018-06-22 |
| CN108198704B CN108198704B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810031296.1A Active CN108198704B (en) | 2018-01-12 | 2018-01-12 | Contact structure and switch cabinet using same |
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| Country | Link |
|---|---|
| CN (1) | CN108198704B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110277744A (en) * | 2019-06-21 | 2019-09-24 | 许继电气股份有限公司 | The contact apparatus and handcart circuit breaker of handcart circuit breaker |
| CN112614754A (en) * | 2020-12-10 | 2021-04-06 | 平高集团有限公司 | Handcart type direct current circuit breaker and connecting contact thereof |
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| US4025747A (en) * | 1975-09-11 | 1977-05-24 | Westinghouse Electric Corporation | Circuit interrupter stab assembly with self-aligning clip type contact |
| CN201556872U (en) * | 2009-10-19 | 2010-08-18 | 奉化市泰峰电气科技有限公司 | Distribution cabinet primary contact plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110277744A (en) * | 2019-06-21 | 2019-09-24 | 许继电气股份有限公司 | The contact apparatus and handcart circuit breaker of handcart circuit breaker |
| CN112614754A (en) * | 2020-12-10 | 2021-04-06 | 平高集团有限公司 | Handcart type direct current circuit breaker and connecting contact thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108198704B (en) | 2020-01-07 |
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