CN205723178U - The contact system of automatic transfer switching electric appliance - Google Patents
The contact system of automatic transfer switching electric appliance Download PDFInfo
- Publication number
- CN205723178U CN205723178U CN201620317325.7U CN201620317325U CN205723178U CN 205723178 U CN205723178 U CN 205723178U CN 201620317325 U CN201620317325 U CN 201620317325U CN 205723178 U CN205723178 U CN 205723178U
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- moving contact
- bent plate
- contact
- electric appliance
- automatic transfer
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Abstract
The contact system of automatic transfer switching electric appliance includes moving contact part and static contact part, described moving contact part includes rocking arm, transmission component, moving contact, bent plate, fixing axle and torsion spring, wherein, described bent plate is provided with the mounting groove matched with moving contact, one end of moving contact is installed in the mounting groove of bent plate, and be arranged in the lump on fixing axle with bent plate, the mid portion of moving contact and bent plate are hinged with rocking arm by transmission component in the lump, and the other end of moving contact is provided with movable contact;Two spring bodies in the middle of described torsion spring are set in the both sides being positioned at bent plate on the two ends of fixing axle, and the two ends of torsion spring are overlapped on moving contact and bent plate respectively.This utility model provides the contact system of a kind of automatic transfer switching electric appliance, and simple in construction, stability are high.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, is specifically related to the contact system of a kind of automatic transfer switching electric appliance
System.
Background technology
The touch spring of existing automatic transfer switching electric appliance uses stage clip, causes mounting process complicated, contact pressure
Power is the least, and contact resistance is excessive, causes the wasting of resources, contact system stability to be difficult to ensure that.Prior art
The middle touch spring that there is a kind of automatic transfer switching electric appliance uses torsion spring, easy for installation, but there is dynamic touching
Head action instability, or the structure that there is contact system is complicated, causes taking up room greatly, processing and manufacturing is difficult,
The problems such as efficiency of assembling is low.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple in construction, stability
The contact system of high automatic transfer switching electric appliance.
For achieving the above object, this utility model adopts the technical scheme that
A kind of contact system of automatic transfer switching electric appliance, including moving contact part and static contact part, described
Moving contact part includes rocking arm 1, transmission component 2, moving contact 3, bent plate 4, fixing axle 5 and torsion spring 6,
Wherein, described bent plate 4 is provided with the mounting groove 40 matched with moving contact 3, and one end of moving contact 3 is installed on
In the mounting groove 40 of bent plate 4, and it is arranged in the lump on fixing axle 5 with bent plate 4, the pars intermedia of moving contact 3
Dividing and bent plate 4 is rotationally connected with rocking arm 1 by transmission component 2 in the lump, the other end of moving contact 3 is provided with
Movable contact 30;The two ends that two spring bodies 61 in the middle of described torsion spring 6 are set in fixing axle 5 are upper
In the both sides of bent plate 4, the two ends of torsion spring 6 are overlapped on moving contact 3 and bent plate 4 respectively.
Preferably, one end of said two spring body 61 is linked together by the first free end 62, two
The other end of spring body 61 extends and forms two the second free ends 63, and wherein, the first free end 62 is overlapped on
On moving contact 3, two the second free ends 63 are overlapped on the both sides of bent plate 4 respectively.
Preferably, described moving contact 3 protrudes mounting groove 40, and offers on the projection of moving contact 3
First placing trough 31, for overlapping the first free end 62 of torsion spring 6.
Preferably, described bent plate 4 includes the U-board 41 being provided with mounting groove 40, in the both sides of U-board 41
It is provided with the installation wing 42 near fixing axle 5 on plate lateral wall, the end of the described installation wing 42 offers second and puts
Put groove 43, for overlapping the second free end 63 of torsion spring 6.
Preferably, the mid portion of described moving contact 3 is provided with the drive shaft 22 for being arranged on transmission component 2
On drive shaft hole 32, the size of drive shaft hole 32 makes drive shaft 22 drive more than the size of drive shaft 22
In the direction of action of moving contact 3 Guan Bi, the degree of freedom of movement is had in axis hole 32.
Preferably, described drive shaft hole 32 is mounting hole structure.
Preferably, described transmission component 2 includes two connecting rods 20 being separately positioned on bent plate 4 both sides, two
One end of connecting rod 20 is linked together by connecting shaft 21 and is realized hinged with rocking arm 1, two connecting rods 20
The other end is linked together by drive shaft 22 and is realized hinged with moving contact 3 and bent plate 4.
Preferably, one end of described rocking arm 1 is provided with the driving square shaft 7 for driving, the other end of rocking arm 1
Hinged with two connecting rods 20 by connecting shaft 21, rocking arm 1 includes mounting cylinder 11 and is arranged on installation
Reinforcing plate 12 on cylinder 11 lateral wall and two connecting plates 13, said two connecting plate 13 parallel interval sets
Putting, and described reinforcing plate 12 is vertically set between two connecting plates 13, described mounting cylinder 11 is axially opened
Being provided with for installing the square hole 10 driving square shaft 7, one end of two connecting plates 13 is connected with mounting cylinder 11,
The other end of two connecting plates 13 is corresponding hinged with two connecting rods 20 by connecting shaft 21.
Preferably, U-board 41 and the installation wing 42 of described bent plate 4 is formed by panel beating bending.
The contact system of automatic transfer switching electric appliance of the present utility model, moving contact directly drives with transmission component
Connecting, simple in construction and reliable, the synchronicity of raising action, bent plate is used for installing torsion spring and being enclosed within dynamic
Contact is outer to play a protective role to moving contact, low cost and can be prevented effectively from moving contact and mutually rub with transmission component
Wipe, reduce moving contact abrasion and rock, improve service life and the Reliability of Microprocessor of moving contact;Additionally, it is logical
Cross torsion spring and replace stage clip, simplify contact system assembly technology, increase contact pressure, improve contact system
Efficiency of assembling and stability;It is arranged on fixing axle by torsion spring so that torsion spring is not upper and lower with moving contact
Mobile, reduce the driving force needed for contact system, torsion spring materials'use is less, and after the stress point of moving contact
Put, it is simple to install;It is arranged on outside bent plate by torsion spring, simplifies the structure of bent plate, it is simple to install, processing
It is simple to manufacture, also reduces the volume of bent plate and moving contact, save and take up room and produce material.Torsion spring with
The mounting structure of bent plate and moving contact is simple and reliable, improves efficiency of assembling.By the drive shaft hole of moving contact
With being equipped with and realize excess of stroke when moving contact closes with static contact by the torsion of torsion spring of drive shaft,
Moving contact is more pressed close to when closing with static contact, improves reliability, simultaneously drives axis hole and play position-limiting action.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the moving contact part of automatic transfer switching electric appliance contact system of the present utility model;
Fig. 2 is the axonometric chart of bent plate of the present utility model;
Fig. 3 is the axonometric chart of rocking arm of the present utility model;
Fig. 4 is the side view of the contact system off-state of automatic transfer switching electric appliance of the present utility model;
Fig. 5 is the side view of the contact system closure state of automatic transfer switching electric appliance of the present utility model.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 5, further illustrates automatic conversion of the present utility model and opens
Close the detailed description of the invention of the contact system of electrical equipment.The contact system of automatic transfer switching electric appliance of the present utility model
System is not limited to the following description.
As it is shown in figure 1, the contact system of automatic transfer switching electric appliance of the present utility model, including moving contact portion
Dividing and static contact part, moving contact part includes rocking arm 1, transmission component 2, moving contact 3, bent plate 4, consolidates
Dead axle 5 and torsion spring 6, wherein, bent plate 4 is provided with the mounting groove 40 matched with moving contact 3, moving contact 3
One end be installed in the mounting groove 40 of bent plate 4, and and bent plate 4 be arranged in the lump on fixing axle 5, dynamic touch
The mid portion of 3 and bent plate 4 are hinged with rocking arm 1 by transmission component 2 in the lump, with realize bent plate 4 and
Moving contact 3 can be freely rotatable around fixing axle 5, and the other end of moving contact 3 is provided with movable contact 30, is used for
Match with the static contact 8 of static contact part;Two spring bodies 61 in the middle of torsion spring 6 are set in solid
Being positioned at the both sides of bent plate 4 on the two ends of dead axle 5, the two ends of torsion spring 6 are overlapped on moving contact 3 and curved respectively
On plate 4.Moving contact directly with transmission component drive connection, it is not necessary to contact support, simple in construction and reliably,
The synchronicity of raising action, moving contact is played guarantor outside being only used for installing torsion spring and being enclosed within moving contact by bent plate
Protect effect, be prevented effectively from moving contact and transmission component phase mutual friction, reduce moving contact abrasion and rock, improving
The service life of moving contact and Reliability of Microprocessor;Additionally, replace stage clip by torsion spring, simplify contact system
Assembly technology, increases contact pressure, improves efficiency of assembling and the stability of contact system;Pacified by torsion spring
It is contained on fixing axle so that torsion spring does not moves up and down with moving contact, reduces the driving force needed for contact system,
Torsion spring materials'use is less, and the stress point of moving contact is rearmounted, it is simple to install;It is arranged on curved by torsion spring
Outside plate, simplifying the structure of bent plate, it is simple to install, processing and manufacturing is simple, also reduces the body of bent plate and moving contact
Long-pending, save and take up room and produce material.Of the present utility model being rotationally connected can be in the way of employing be hinged.
As it is shown in figure 1, torsion spring of the present utility model and moving contact and the assembling structure of bent plate, two springs
One end of body 61 is linked together by the first free end 62, and the other end of two spring bodies 61 extends and formed
Two the second free ends 63, wherein, the first free end 62 is overlapped on moving contact 3, two the second free ends
On 63 both sides being overlapped on bent plate 4 respectively.Rationally distributed simple and reliable, simplify moving contact and bent plate with double
The fit structure of torsion spring, it is simple to install, improves efficiency of assembling and stability.Additionally, moving contact 3 protrudes peace
Tankage 40, and on the projection of moving contact 3, offer the first placing trough 31, it is used for overlapping torsion spring 6
The first free end 62.Simple in construction, compact in design is reasonable, interferes when being prevented effectively from action, improves
Reliability.And, as in figure 2 it is shown, bent plate 4 includes the U-board 41 being provided with mounting groove 40, in U-board
It is provided with the installation wing 42 near fixing axle 5 on the biside plate lateral wall of 41, installs and offer on the end of the wing 42
Second placing trough 43, for overlapping the second free end 63 of torsion spring 6.Simple in construction and reliable, compared to
Hole, the setting of the second placing trough, it is simple to the installation of torsion spring, improves efficiency of assembling, saves simultaneously and produce material
Material and production cost.The U-board 41 of bent plate 4 and install the wing 42 and formed by panel beating bending, sound construction and
Reliably.
As shown in Figure 4, transmission component 2 of the present utility model, including being separately positioned on two of bent plate 4 both sides
Connecting rod 20, one end of two connecting rods 20 is linked together by connecting shaft 21 and is realized hinged with rocking arm 1,
The other end of two connecting rods 20 is linked together by drive shaft 22 and is realized cutting with scissors with moving contact 3 and bent plate 4
Connect;Connecting rod 20 can be freely rotatable around drive shaft 22.Rocking arm and moving contact is realized by two independent connecting rods
And the transmission between bent plate, assembling is flexibly, applied widely, and is easily installed, and improves efficiency of assembling, joint
Material saving, reduces production cost.Certainly, transmission component 2 can also be to open the other end by one end to close
Connecting rod such as U-shaped realizes, and the connecting rod of U-shaped opens end by drive shaft 22 and moving contact 3 and bent plate
4 is hinged, and the connecting rod Guan Bi end of U-shaped is hinged with rocking arm 1, to improve transmission component by connecting shaft 21
Overall structure stability and reliability.Additionally, the mid portion of moving contact 3 is provided with for being arranged on transmission group
Drive shaft hole 32 in the drive shaft 22 of part 2, the size of drive shaft hole 32 makes more than the size of drive shaft 22
Drive shaft 22 has the degree of freedom of movement in drive shaft hole 32 in the direction of action of moving contact 3 Guan Bi, with
Realize excess of stroke when moving contact 3 closes with static contact 8.By joining of the drive shaft hole of moving contact and drive shaft
Close setting and the torsion by torsion spring realizes excess of stroke when moving contact closes with static contact, moving contact and stationary contact
More press close to during head Guan Bi, improve reliability, simultaneously drive axis hole and play position-limiting action.Preferably, drive
Axis hole 32 is mounting hole structure.
As it is shown on figure 3, rocker structure of the present utility model, one end of rocking arm 1 is provided with for driving of driving
Dynamic square shaft 7, the other end of rocking arm 1 is hinged with two connecting rods 20 by connecting shaft 21, rocking arm 1 and connecting rod
20 all can rotate around connecting shaft 21.Rocking arm 1 is formed in one structure, including mounting cylinder 11, Yi Jishe
Put the reinforcing plate 12 on mounting cylinder 11 lateral wall and two connecting plates 13, parallel of two connecting plates 13
Every setting, and reinforcing plate 12 is vertically set between two connecting plates 13, and mounting cylinder 11 axially offers
For installing the square hole 10 driving square shaft 7, one end of two connecting plates 13 is connected with mounting cylinder 11, and two
The other end of individual connecting plate 13 is corresponding hinged with two connecting rods 20 by connecting shaft 21.
As it is shown in figure 1, the course of action of the contact system of automatic transfer switching electric appliance of the present utility model, when
Rocking arm 1 concomitant rotation when driving square shaft 7 to rotate, rocking arm 1 is by the connecting rod 20 of transmission component 2, connecting shaft
21 and drive shaft 22 promote bent plate 4 and moving contact 3 to rotate around fixing axle 5.Contact system is off
As shown in Figure 4, drive shaft hole that moving contact 3 coordinates with drive shaft 22 32 is mounting hole, moving contact 3 with
When static contact 8 disconnects, due to the upper end phase of effect drive shaft 22 and moving contact 3 mounting hole of torsion spring 6 power
Cut.When rocking arm 1 rotates clockwise around the center of square hole 10, rocking arm 1 promotes drive shaft by connecting rod 20
22 moving contacts 3 when moving downward move downward therewith, but the moving contact when moving contact 3 contacts with static contact 8
3 stop motions, and the front end of drive shaft 22 and bent plate 4 continues to move downward so that torsion spring 6 occurs shape
Becoming, then provide required pressure to moving contact 3, now contact system is in closure state as shown in Figure 5.
Above content is to combine concrete preferred implementation further detailed description of the utility model,
It cannot be assumed that of the present utility model being embodied as is confined to these explanations.For technology belonging to this utility model
For the those of ordinary skill in field, without departing from the concept of the premise utility, it is also possible to if making
Dry simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1. a contact system for automatic transfer switching electric appliance, including moving contact part and static contact part, its
It is characterised by: described moving contact part includes rocking arm (1), transmission component (2), moving contact (3), bent plate
(4), fixing axle (5) and torsion spring (6), wherein, described bent plate (4) is provided with and moving contact (3) phase
The mounting groove (40) coordinated, one end of moving contact (3) is installed in the mounting groove (40) of bent plate (4),
And be arranged in the lump on fixing axle (5) with bent plate (4), the mid portion of moving contact (3) and bent plate (4)
Being rotationally connected with rocking arm (1) by transmission component (2) in the lump, the other end of moving contact (3) is provided with dynamic
Contact (30);
Two spring bodies (61) in the middle of described torsion spring (6) are set in the two ends of fixing axle (5)
On be positioned at the both sides of bent plate (4), the two ends of torsion spring (6) are overlapped on moving contact (3) and bent plate (4) respectively
On.
The contact system of automatic transfer switching electric appliance the most according to claim 1, it is characterised in that: institute
The one end stating two spring bodies (61) is linked together by the first free end (62), two spring bodies (61)
The other end extend and form two the second free ends (63), wherein, the first free end (62) is overlapped on dynamic touching
On head (3), two the second free ends (63) are overlapped on the both sides of bent plate (4) respectively.
The contact system of automatic transfer switching electric appliance the most according to claim 2, it is characterised in that: institute
State moving contact (3) and protrude mounting groove (40), and on the projection of moving contact (3), offer first put
Put groove (31), be used for overlapping first free end (62) of torsion spring (6).
4. according to the contact system of the automatic transfer switching electric appliance described in Claims 2 or 3, it is characterised in that:
Described bent plate (4) includes the U-board (41) being provided with mounting groove (40), in the both sides of U-board (41)
It is provided with the installation wing (42) near fixing axle (5) on plate lateral wall, the end of the described installation wing (42) is opened
It is provided with the second placing trough (43), is used for overlapping second free end (63) of torsion spring (6).
The contact system of automatic transfer switching electric appliance the most according to claim 1, it is characterised in that: institute
The mid portion stating moving contact (3) is provided with in the drive shaft (22) for being arranged on transmission component (2)
Drive shaft hole (32), the size of drive shaft hole (32) makes drive shaft (22) more than the size of drive shaft (22)
The degree of freedom of movement is had in the direction of action closed along moving contact (3) in drive shaft hole (32).
The contact system of automatic transfer switching electric appliance the most according to claim 5, it is characterised in that: institute
Stating drive shaft hole (32) is mounting hole structure.
The contact system of automatic transfer switching electric appliance the most according to claim 1, it is characterised in that: institute
State transmission component (2) and include being separately positioned on two connecting rods (20) of bent plate (4) both sides, two connecting rods (20)
One end link together and realize hinged with rocking arm (1) by connecting shaft (21), two connecting rods (20)
The other end link together and realize hinged with moving contact (3) and bent plate (4) by drive shaft (22).
The contact system of automatic transfer switching electric appliance the most according to claim 7, it is characterised in that: institute
The one end stating rocking arm (1) is provided with the driving square shaft (7) for driving, and the other end of rocking arm (1) passes through
Connecting shaft (21) is hinged with two connecting rods (20), and rocking arm (1) includes mounting cylinder (11), Yi Jishe
Putting the reinforcing plate (12) on mounting cylinder (11) lateral wall and two connecting plates (13), said two is even
Fishplate bar (13) parallel interval is arranged, and described reinforcing plate (12) is vertically set on two connecting plates (13)
Between, described mounting cylinder (11) axially offers for installing the square hole (10) driving square shaft (7),
One end of two connecting plates (13) is connected with mounting cylinder (11), the other end of two connecting plates (13)
Corresponding hinged with two connecting rods (20) by connecting shaft (21).
The contact system of automatic transfer switching electric appliance the most according to claim 4, it is characterised in that: institute
U-board (41) and the installation wing (42) of stating bent plate (4) are formed by panel beating bending.
Priority Applications (1)
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CN201620317325.7U CN205723178U (en) | 2016-04-15 | 2016-04-15 | The contact system of automatic transfer switching electric appliance |
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CN201620317325.7U CN205723178U (en) | 2016-04-15 | 2016-04-15 | The contact system of automatic transfer switching electric appliance |
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CN205723178U true CN205723178U (en) | 2016-11-23 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118073125A (en) * | 2024-04-19 | 2024-05-24 | 加西亚电子电器股份有限公司 | Isolation switch |
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2016
- 2016-04-15 CN CN201620317325.7U patent/CN205723178U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118073125A (en) * | 2024-04-19 | 2024-05-24 | 加西亚电子电器股份有限公司 | Isolation switch |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Contact system of automatic transfer switch Granted publication date: 20161123 License type: Common License Record date: 20201021 |