CN108389741A - A kind of protection switch - Google Patents
A kind of protection switch Download PDFInfo
- Publication number
- CN108389741A CN108389741A CN201810386611.2A CN201810386611A CN108389741A CN 108389741 A CN108389741 A CN 108389741A CN 201810386611 A CN201810386611 A CN 201810386611A CN 108389741 A CN108389741 A CN 108389741A
- Authority
- CN
- China
- Prior art keywords
- handle
- movable contact
- contact piece
- pedestal
- protection switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 44
- 230000003068 static effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
-
- 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
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/521—Details concerning the lever handle
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a kind of protection switches, including ontology, stationary contact part, movable contact piece and handle, stationary contact part, movable contact piece to be respectively arranged at ontology, and handle is rotatably dispose in ontology;Handle is equipped with cam part, which is engaged with movable contact piece, when handle rotates, promotes movable contact piece movement to realize separating brake or combined floodgate by its cam part.The handle of the present invention is directly engaged with movable contact piece by the way that cam part is arranged, enormously simplifies the drive connection of handle and movable contact piece, and save part, keep the cost of product lower, assembly is simpler, saves occupied space, is advantageously implemented the miniaturization of product.
Description
Technical field
The present invention relates to a kind of switching devices, are switched more particularly to a kind of protection.
Background technology
Currently, the prior art protection switch operating mechanism generally comprise handle, axis, U-shaped bar, briquetting, linked clamping plate,
Holder, spring and dynamic touch panel, holder are fixed by screws on the pedestal of protection switch, and handle is hinged on by axis on holder,
Handle rotation is driven by U-shaped bar and briquetting and presses touch panel under linked clamping plate, to realize the divide-shut brake of protection switch.Obviously,
Part is various needed for the operating mechanism of this protection switch of the prior art, of high cost, and assembles complexity, and occupied space is big, no
Conducive to realization product miniaturization.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, the guarantor of a kind of saving part and simplified drive connection is provided
Shield switch.
The technical solution adopted by the present invention to solve the technical problems is:A kind of protection switch, including ontology, stationary contact part,
Movable contact piece and handle, stationary contact part, movable contact piece are respectively arranged at ontology, and handle is rotatably dispose in ontology;Handle is equipped with cam part,
The cam part is engaged with movable contact piece, when handle rotates, promotes movable contact piece movement to realize separating brake or conjunction by its cam part
Lock.
Further, in separating brake and "on" position, the cam part of the handle is contacted with the movable contact piece forming face.
Further, the ontology includes pedestal and upper cover, and the stationary contact part, movable contact piece are respectively arranged at pedestal, moves and touches
It is supported between part and pedestal or upper cover and is equipped with return springs;The handle is rotatably dispose in pedestal, and upper cover is arranged on pedestal, and
Upper lid is equipped with the tolerant hole passed through for handle local movement.
Further, the handle is equipped with shaft and the barb on the downside of shaft, and the pedestal is equipped with storage tank
Shaft activity with the grab on the downside of storage tank, handle coordinates in the storage tank of pedestal, in "on" position, barb and card
Hook is close together, and is moved upwards with limiting handle.
Further, it is additionally provided with the circular arc wall of an evagination on the handle, two opposite inner ends of the tolerant hole of the upper cover
Edge is arc-shaped respectively, is coordinated with the circular arc wall of handle.
Further, described movable contact piece one end is equipped with the static contact cooperation being arranged on moving contact, with the stationary contact part;It is described
The movable contact piece other end can be set to pedestal up or down, and the upper cover has extended downwardly limiting section, to be limited in gate-dividing state
The distance that the braking contact element other end moves upwards.
Further, the return springs are spring, the spring support be located at the movable contact piece bottom surface and the pedestal it
Between.
Further, the upper cover is connect with substrate latch fastener.
Further, further include outer cover, which is located on the pedestal, and the outer cover has for upper cover whole
Or the opening that part is exposed.
Further, the stationary contact part, movable contact piece quantity be respectively at least two, and coordinate one by one;The handle
Quantity is one, which is equipped with the cam part of at least two and column distribution, and each cam part is contacted with each movable contact piece one by one respectively
Cooperation.
Compared to the prior art, the invention has the advantages that:
1, handle of the invention is directly engaged with movable contact piece by the way that cam part is arranged, enormously simplifies handle and move
The drive connection of contact element, and part is saved, keep the cost of product lower, assembly is simpler, saves occupied space, is conducive to
Realize the miniaturization of product.
2, in separating brake and "on" position, the cam part of handle is contacted with movable contact piece forming face, can make handle unit plane
The pressure being subject in product reduces, to be conducive to improve the service life of protection switch.
3, on handle on shaft, barb and pedestal storage tank, grab matching design, make the assembly of handle it is very easy,
Reliably.
Invention is further described in detail with reference to the accompanying drawings and embodiments;But a kind of protection switch of the present invention is not
It is confined to embodiment.
Description of the drawings
Fig. 1 is the decomposition diagram of one present invention of embodiment;
Fig. 2 is the structural schematic diagram of the movable contact piece of one present invention of embodiment;
Fig. 3 is the structural schematic diagram one of the handle of one present invention of embodiment;
Fig. 4 is the structural schematic diagram two of the handle of one present invention of embodiment;
Fig. 5 is sectional view of one present invention of embodiment in gate-dividing state;
Fig. 6 is sectional view of one present invention of embodiment in "on" position;
Fig. 7 is assembling schematic diagram (section view) of one present invention of embodiment in "on" position handle and pedestal;
Fig. 8 is the enlarged diagram of part A in one Fig. 7 of embodiment;
Fig. 9 is the sectional view of stationary contact part and pedestal in assembled state of the present invention;
Figure 10 is the structural schematic diagram of the stationary contact part of the present invention;
Figure 11 is the structural schematic diagram of the movable contact piece of two present invention of embodiment;
Figure 12 is sectional view of two present invention of embodiment in "on" position;
Figure 13 is sectional view of two present invention of embodiment in gate-dividing state.
Specific implementation mode
Embodiment one
It refers to shown in Fig. 1-Figure 10, a kind of protection of the invention switch, including ontology, stationary contact part 6, movable contact piece 5, reset
Elastic component and handle 4, stationary contact part 6 (can be described as static contact or static contact panel not only), movable contact piece 5 (but also can be described as movable contact spring or dynamic touch panel)
It is respectively arranged at ontology.It is supported between movable contact piece 5 and ontology and is equipped with return springs, to provide reset for handle 4 and movable contact piece 5
Power removes this, and movable contact piece 5 can also be made using elastic material, makes itself to carry reset capability, without institute is arranged
State return springs.Handle 4 is rotatably dispose in ontology, which is equipped with cam part 41, the cam part 41 and movable contact piece 5
It is engaged, when handle rotates, promotes movable contact piece movement to realize separating brake or combined floodgate by its cam part.
In the present embodiment, the movable contact piece 5 is equipped with the portion 51 that arches upward, and it is opposite which corresponds to its top corner
The positions of both sides be respectively provided with the first slope surface 511 and the second slope surface 512, the first slope surface 511 and the second slope surface 512 are respectively oblique
Face, and the gradient (also known as gradient) of the first slope surface 511 is more than the gradient of the second slope surface 512.In gate-dividing state, the cam of handle
Portion 41 contacts against the first slope surface 511 in the portion of arching upward 51, and second in the portion of arching upward 51 is contacted against in the cam part 41 of "on" position, handle
Slope surface 512.
In the present embodiment, in separating brake and "on" position, the cam part 41 of the handle 4 respectively with first slope surface 511,
Second slope surface, 512 forming face contacts.Specifically, the cam part 41 of the handle 4 is equipped with to contact against in first slope surface 511
First mating surface 411 and to contact against the second mating surface 412 in second slope surface 512, the first mating surface 411 and handle 4
The spacing for being smaller than the second mating surface 412 and 4 pivot center of handle of pivot center, and the first mating surface 411 and second is matched
With the arc surface transition of evagination between conjunction face 412.With convex arc surface between first slope surface, 511 and second slope surface 512
Transition, also that is, the surface of the top corner in the portion 51 that arches upward is convex arc surface.
In the present embodiment, the ontology includes pedestal 1 and upper cover 2, and the stationary contact part 6, movable contact piece 5 are respectively arranged at pedestal
1, the return springs are supported and are located between movable contact piece 5 and pedestal 1.The handle 4 is rotatably dispose in pedestal 1, and the setting of upper cover 2 exists
On pedestal 1, specifically, upper cover 2 is snapped connection with pedestal 1, and upper cover 2 is equipped with the appearance that rotation is passed through and can realized for 4 other end of handle
Allow hole 21.Specifically, the handle 4 is equipped with shaft 42 and the barb 43 positioned at 42 downside of shaft, and the pedestal 1 is equipped with accommodating
The 42 activity cooperation of shaft of slot 12 and the grab 13 on the downside of storage tank 12, handle 4 is being closed in the storage tank 12 of pedestal 1
Lock state, barb 43 are affiliated to together with grab 13, are moved upwards with limiting handle 4.
In the present embodiment, 5 one end of the movable contact piece be equipped with moving contact 52, the moving contact 52 be arranged on stationary contact part 6 it is quiet
63 corresponding matching of contact.5 other end of movable contact piece connects connecting terminal, and can be set to the pedestal 1 up or down, specifically,
The opposite both sides of 52 other end of the moving contact have each extended over protrusion 53, and the pedestal 1 is equipped with two protrusions with moving contact 52
53 guide grooves 11 matched one by one, protrusion 53 are limited in guide groove 11, and can be moved up and down along guide groove 11.51, the portion that arches upward
Between the both ends of movable contact piece 5, the movable contact piece 5 the position that it arches upward between portion 51 and the other end bottom surface and pedestal 1 it
Between support and be equipped with the return springs, also, the movable contact piece 5 is set in the bottom surface that it arches upward the position between portion 51 and the other end
It is specially spring 7 to have the convex grain 54 to position reset elastic component, the return springs.The upper cover 2 extends downwardly
There is limiting section 22, to the distance moved upwards in gate-dividing state limitation 5 other end of movable contact piece.
In the present embodiment, the stationary contact part 6, movable contact piece 5 quantity be respectively two, but not limited to this.Two stationary contact parts 6
Coordinate one by one with two movable contact pieces 5.The quantity of the handle 4 is one, which is equipped with and two cam parts of column distribution
41, two cam parts 41 and the portion 51 that arches upward of two movable contact pieces 5 are engaged one by one.Shaft 42 on handle 4 and barb 43
Between two cam parts 41.On the handle 4 in 42 upside of the shaft also circular arc wall 44 with an evagination, the stretching of handle 4
Part 45 outside lid 2 is connected to 44 outer surface of circular arc wall, and the two inner end edge that the tolerant hole 21 of the upper cover 2 is opposite are in circle respectively
Arc had not only limited the abjection of handle 4, but also can be oriented to the rotation of handle 4 to coordinate with the circular arc wall 44 of handle 4.
In the present embodiment, as shown in Figure 9, Figure 10, the stationary contact part 6 is arranged especially by connector assembly on pedestal 1, connects
Line component includes wire frame 8 and the terminal screw 9 that is screwed on wire frame 8, and wire frame 8 is equipped with wiring hole 81.Pedestal 1 is equipped with the
First opening 17 of one mounting groove 14 with first mounting groove 14 is led to and for twisting terminal screw 9;Connector assembly merging first
In mounting groove 14, the first opening 17 of head alignment of terminal screw 9, and terminal screw 9 is limited and is exited from first opening 17;
The wire connecting portion 61 of stationary contact part 6 stretches into the wiring hole 81 of wire frame 8, and is pushed against in conducting wire (non-body in figure by 9 tail portion of terminal screw
Interconnecting piece now), the connecting portion of the conducting wire is in wiring hole 81.In this way, being not only easily installed connector assembly, but also it is convenient for twist-on line
Screw, and terminal screw is prevented to be exited from the first opening, ensure to will not fall off when terminal screw is unscrewed, to avoid wiring spiral shell
Nail is lost, and is conducive to user to protecting the repair of the stationary contact part and connector assembly of switch, using.
In the present embodiment, the pedestal 1 is additionally provided with second opening 18 opposite with first opening 17, the wiring group
Part is from 18 first mounting groove 14 of merging of the second opening.Be combined between the terminal screw 9 and the first mounting groove 14 to
The backing stop structure for preventing terminal screw 9 from being exited from the first opening 17.Specifically, which includes 9 head of the terminal screw
The chuck 141 that the outward flange 91 and 14 inner wall of the first mounting groove of periphery setting are arranged at close first opening 17,
The cooperation of outward flange 91 is in 141 inside of chuck, and the two can contact against together.
In the present embodiment, the interconnecting piece of the conducting wire is stretched from one end (one end of wiring hole 81 is under) of the wiring hole 81
Enter in wiring hole 81, from the other end of the wiring hole 81, (other end of wiring hole 81 exists the wire connecting portion 61 of the stationary contact part 6
On) stretch into wiring hole 81, the pedestal 1 is equipped with retaining wall 16 at position corresponding with 81 other end of wiring hole, is led described in prevention
The interconnecting piece of line stretches out outside the first mounting groove 14, and effectively pilot stretches into the length of wiring hole 81, so as to not increase
Prevent conductive contact to the movable contact piece 5 of protection switch in the case of adding additional parts.1 bottom end of the pedestal, which is equipped with, leads to described the
One mounting groove 14 and thread passing port 19 corresponding with 81 one end of the wiring hole, the interconnecting piece of the thread passing port 19 for the conducting wire
It passes through.
In the present embodiment, the pedestal 1 is additionally provided with the second mounting groove 15, which is located at described first and installs
14 upside of slot, and lead to first mounting groove 14, the stationary contact part 6 is set to second mounting groove 15.Specifically, the stationary contact
Part 6 and the second mounting groove 15 are combined with location structure, which includes the barb 641 being arranged on the stationary contact part 6, should
Barb 641 is stuck in the cell wall of second mounting groove 15.The structure of the stationary contact part 6 is as shown in Figure 10, in addition to described
Wire connecting portion 61 further includes the main part 62 equipped with static contact 63, which is integrally connected into L-shaped with wire connecting portion 61, and
The opposite both sides of main part 62 are extended with locating plate 64 separately down, and the barb 641 is respectively equipped on each locating plate 64.Tool
The barb 241 is distinguished in body, two opposite outsides of each locating plate 64.When installation, each locating plate 64 of stationary contact part 6 stretches into the second peace
Barb 641 in tankage 15, and thereon is stuck on the cell wall of the second mounting groove 15, and limiting stationary contact part 6 with this falls off.
In the present embodiment, the wire connecting portion 61 of the stationary contact part 6 is equipped with anticreep knot that can be chimeric with the conductor side that it coordinates
Structure, the disconnecting prevention structure are specially convex ribs 611.Since conducting wire matter is soft, thus, when the wire connecting portion 61 of stationary contact part 6 is wired 8 tail of screw
Portion pushes against when the interconnecting piece of conducting wire, and the side that the interconnecting piece of conducting wire is contacted with wire connecting portion 61 can therewith be fitted by the extrusion of convex ribs 611
The groove matched, the two are entrenched togather, and so that the wire connecting portion 61 of stationary contact part 6 is engaged with the interconnecting piece of conducting wire more secured, avoid conducting wire
Interconnecting piece generate and loosen due to by internal stress or external pull.In addition, the design of convex ribs 611 can also make stationary contact part 6
Wire connecting portion and the contact area of conducting wire increase, the contact resistance to both reduce makes current-carrying temperature rise and reduces.The stationary contact part
Several depressed stripeds 612 are distributed on the wiring face of 6 wire connecting portion 61, are conducive to reduce contact electricity of the stationary contact part 6 with conducting wire
Resistance.If striped is set as raised type, the frictional force of the wire connecting portion 61 and the interconnecting piece of conducting wire that increase stationary contact part 6 is also helped.
In the present embodiment, the invention also includes outer cover 3, which is located on the pedestal 1, and the outer cover has confession
The exposed opening 31 in 2 part of the upper cover.
When handle 4 assembles, handle 4 is first placed in closing position, under the action of spring 7, movable contact piece 5 can driving handle 4
Shaft 42 moved upwards along the storage tank 12 of pedestal 1, at this point, the barb 43 of handle 4 can be stuck at the grab 13 of pedestal 1, resistance
Only handle 4 moves upwards, so that switch is easy to assembly, reliable.
When protection switch is in gate-dividing state, as shown in figure 5, the first mating surface 411 of cam part 41 and movable contact piece 5
First slope surface 511 contacts for face, and when protection switch is in "on" position, as shown in fig. 6, the second mating surface of cam part 41
412 and the second slope surface 512 of movable contact piece 5 be face contact so that the pressure that is subject on 4 unit area of handle reduces, favorably
In the service life for improving protection switch.The gradient of first slope surface 511 of movable contact piece 5 is larger, is to be transported in identical handle
Under dynamic speed, make the closing speed of movable contact piece 5 faster, to realize the rapid closing of switch, and the second slope surface of movable contact piece 5
512 gradients are smaller, coordinate with the cam part 41 of handle so that the cam part 41 of handle is transported along the second slope surface 512 of movable contact piece
When dynamic, the amount of exercise of movable contact piece 5 can be reduced, to ensure the stability of switch.
When work, operation handle 4 is only needed, you can the above two state of switch protecting switch.Specifically, at protection switch
When gate-dividing state shown in fig. 5, handle 4 is rotated counterclockwise, its cam part 41 is made and then to rotate counterclockwise and acts on dynamic touch
The portion 51 that arches upward of part 5, to push movable contact piece 5 to move downward, and compressed spring 7, make the moving contact 52 and stationary contact part of movable contact piece 5
6 static contact 63 contacts, and realizes that protection switch closes a floodgate.In the process, cam part 41 crosses 51 top of the portion of arching upward, and eventually arrives at
Arch upward second slope surface 512 in portion 51, and the second mating surface 412 of cam part and the second slope surface 512 contact against together.When protection is opened
When closing in "on" position shown in fig. 6, handle 4 is rotated clockwise, the cam part 41 of handle and then rotates clockwise and cancels
The active force downward to movable contact piece 5, meanwhile, movable contact piece 5 moves upwards under the reply force effect of spring 7, makes its moving contact 52
It is separated with the static contact 63 of stationary contact part 6, realizes protection switch separating brake.In the process, cam part 41 crosses 51 top of the portion of arching upward,
First slope surface 511 in the portion of arching upward 51 is eventually arrived at, and the first mating surface 411 of cam part and the first slope surface 511 contact against together.
Arch upward the design in portion 51 on movable contact piece 5, can effectively shorten the cam part 41 of handle 4 and the cooperation stroke of movable contact piece 5, to drop
The low requirement to protecting switch internal bulk, makes protection switch size can be made smaller, and really realizes product miniaturization.
Embodiment two
Refer to shown in Figure 11-Figure 13, a kind of protection of the invention switch, with embodiment one difference lies in:It is described
The position that the dwell contacts of movable contact piece 5 and handle coordinate is arched upward portion described in design, but in tabular.
When work, rotational handle 4 is only needed, you can so that its cam part 41 is directly acted on movable contact piece 5, to which switch protecting is opened
The sub-gate and closing state of pass.Specifically, when rotating counterclockwise handle, the cam part 41 of handle is and then rotated counterclockwise and is pushed
Movable contact piece 5 moves downward, and compressed spring 7, and the moving contact 52 for making movable contact piece 5 is contacted with the static contact 63 of stationary contact part 6, such as Figure 12
It is shown, to realize that protection switch closes a floodgate.When rotating clockwise handle, the cam part 41 of handle and then rotates clockwise, and takes
Disappear the active force downward to movable contact piece 5, meanwhile, movable contact piece 5 moves upwards under the reply force effect of spring 7, makes movable contact piece 5
Moving contact 52 and the static contact 63 of stationary contact part 6 separate, and as shown in figure 13, realize protection switch separating brake.
For the present embodiment compared with above-described embodiment one, the cooperation stroke of handle and movable contact piece is longer, therefore, from realization product
From the point of view of miniaturization, above-described embodiment one is presently preferred embodiments of the present invention.
In other embodiments, first slope surface and the second slope surface are the arc surface with the default gradient, and preferably
Convex arc surface.
A kind of protection switch that above-described embodiment only is used for further illustrating the present invention, but the invention is not limited in implementations
Example, it is every according to the technical essence of the invention to any simple modification, equivalent change and modification made by above example, fall
Enter in the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of protection switch, including ontology, stationary contact part, movable contact piece and handle, stationary contact part, movable contact piece are respectively arranged at ontology,
Handle is rotatably dispose in ontology;It is characterized in that:Handle is equipped with cam part, which is engaged with movable contact piece, handle
When rotation, promote movable contact piece movement to realize separating brake or combined floodgate by its cam part.
2. protection switch according to claim 1, it is characterised in that:In separating brake and "on" position, the cam of the handle
Portion is contacted with the movable contact piece forming face.
3. protection switch according to claim 1, it is characterised in that:The ontology includes pedestal and upper cover, the stationary contact
Part, movable contact piece are respectively arranged at pedestal, support being equipped with return springs between movable contact piece and pedestal or upper cover;The handle rotation is set
It is placed in pedestal, upper cover is arranged on pedestal, and upper lid is equipped with the tolerant hole passed through for handle local movement.
4. protection switch according to claim 3, it is characterised in that:The handle is equipped with shaft and on the downside of shaft
Barb, the pedestal is equipped with storage tank and the grab on the downside of storage tank, and the shaft activity of handle coordinates in pedestal
In storage tank, in "on" position, barb is affiliated to together with grab, is moved upwards with limiting handle.
5. protection switch according to claim 3 or 4, it is characterised in that:The circular arc of an evagination is additionally provided on the handle
Wall, the two inner end edge that the tolerant hole of the upper cover is opposite are arc-shaped respectively, are coordinated with the circular arc wall of handle.
6. protection switch according to claim 3, it is characterised in that:Described movable contact piece one end is equipped with moving contact, and described
The static contact cooperation being arranged on stationary contact part;The movable contact piece other end can be set to pedestal up or down, and the upper cover is downward
It is extended with limiting section, to the distance moved upwards in the gate-dividing state limitation movable contact piece other end.
7. protection switch according to claim 6, it is characterised in that:The return springs are spring, which supports and set
Between the movable contact piece bottom surface and the pedestal.
8. protection switch according to claim 3, it is characterised in that:The upper cover is connect with substrate latch fastener.
9. protection switch according to claim 3, it is characterised in that:Further include outer cover, which is located at the pedestal
On, and the outer cover has the opening for supplying that the upper cover is whole or part is exposed.
10. protection switch according to claim 1, it is characterised in that:The stationary contact part, movable contact piece quantity be respectively extremely
It is two few, and coordinate one by one;The quantity of the handle is one, which is equipped with the cam part of at least two and column distribution, respectively
Cam part is engaged with each movable contact piece one by one respectively.
Priority Applications (1)
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CN201810386611.2A CN108389741A (en) | 2018-04-26 | 2018-04-26 | A kind of protection switch |
Applications Claiming Priority (1)
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CN201810386611.2A CN108389741A (en) | 2018-04-26 | 2018-04-26 | A kind of protection switch |
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CN108389741A true CN108389741A (en) | 2018-08-10 |
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CN201810386611.2A Pending CN108389741A (en) | 2018-04-26 | 2018-04-26 | A kind of protection switch |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109346385A (en) * | 2018-11-16 | 2019-02-15 | 浙江天正电气股份有限公司 | A kind of handle mechanism of miniature circuit breaker |
CN114267568A (en) * | 2022-03-02 | 2022-04-01 | 晟望电气有限公司 | Outdoor power protection switch |
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CN103474282A (en) * | 2013-09-16 | 2013-12-25 | 浙江旭瑞电子有限公司 | Double-pole double-throw double-way automatic reset toggle switch |
CN206076184U (en) * | 2016-07-04 | 2017-04-05 | 浙江正泰建筑电器有限公司 | Protection switch |
CN208208592U (en) * | 2018-04-26 | 2018-12-07 | 厦门宏发开关设备有限公司 | A kind of protective switch |
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- 2018-04-26 CN CN201810386611.2A patent/CN108389741A/en active Pending
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GB777024A (en) * | 1955-11-29 | 1957-06-12 | Arrow Electric Switches Ltd | Alternating current switch mechanism |
JP2012014901A (en) * | 2010-06-30 | 2012-01-19 | Kawamura Electric Inc | Contact open/close mechanism for circuit breaker |
CN102915895A (en) * | 2011-08-03 | 2013-02-06 | 厦门宏美电子有限公司 | Moving contact component of leakage protection switch and contact system thereof |
CN103474282A (en) * | 2013-09-16 | 2013-12-25 | 浙江旭瑞电子有限公司 | Double-pole double-throw double-way automatic reset toggle switch |
CN206076184U (en) * | 2016-07-04 | 2017-04-05 | 浙江正泰建筑电器有限公司 | Protection switch |
CN208208592U (en) * | 2018-04-26 | 2018-12-07 | 厦门宏发开关设备有限公司 | A kind of protective switch |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109346385A (en) * | 2018-11-16 | 2019-02-15 | 浙江天正电气股份有限公司 | A kind of handle mechanism of miniature circuit breaker |
CN109346385B (en) * | 2018-11-16 | 2023-12-01 | 浙江天正电气股份有限公司 | Handle mechanism of miniature circuit breaker |
CN114267568A (en) * | 2022-03-02 | 2022-04-01 | 晟望电气有限公司 | Outdoor power protection switch |
CN114267568B (en) * | 2022-03-02 | 2022-05-20 | 晟望电气有限公司 | Outdoor power protection switch |
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