CN204029716U - A kind of contactor had from on-off function - Google Patents
A kind of contactor had from on-off function Download PDFInfo
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- CN204029716U CN204029716U CN201420520624.1U CN201420520624U CN204029716U CN 204029716 U CN204029716 U CN 204029716U CN 201420520624 U CN201420520624 U CN 201420520624U CN 204029716 U CN204029716 U CN 204029716U
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- contact
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- contactor
- rotating cam
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Abstract
The utility model discloses a kind of contactor had from on-off function, it comprises the break-make control loop structure be located in base, break-make control loop structure comprises rotating cam, what be connected with coil one end pushes away swing contact, swing that contact is corresponding to be arranged and the lug plate fixed contact of the connecting coil other end and put on the resilient bias pushing away and swing contact flexible bias pressure with pushing away, drive to push away by reciprocating rotation rotating cam and swing contact reciprocally swinging, thus realize pushing away and swing switching on and off of contact and lug plate fixed contact, i.e. the switching on and off of contactor electric loop.The utility model effect is to swing contact and lug plate contact head to be flexible coupling the effect being series in electric loop and playing connection and disjunction control loop by pushing away, thus eliminate the outfit of device for switching when contactor uses, and break-make control loop vibrational power flow is at chassis interior, save installing space, do not affect the overall appearance of contactor.
Description
Technical field
The utility model relates to a kind of contactor, is specifically related to a kind of contactor had from on-off function, belongs to low voltage electrical apparatus technology field.
Background technology
Contactor is generally used for and switches on and off alternating current-direct current major loop and Large Copacity control loop continually, needs to adopt the complete use of contactor engages button module in some purposes such as magnetic protector.The operation principle of contactor is: when after contactor coil energising, coil current can produce magnetic field, and the magnetic field of generation makes static iron core produce the dynamic iron core of electromagnetic attraction attraction, and drives the action of contactor point, and normally-closed contact disconnects, and normally opened contact closes, and both are interlocks.When the coil is de-energized, electromagnetic attraction disappears, and armature discharges under the effect of retracting spring, and contact is restored, and normally opened contact disconnects, and normally-closed contact closes.
Existing contactor is generally Long-distance Control, its control loop A1, A2 port is used by external binding post tandem tap electrical equipment (such as relay), switched on and off by far-end control relay, thus the major loop realizing contactor switches on and off.
But, in use there is following problem in the contactor of the prior art: 1. in the prior art, together use because contactor needs to be equipped with device for switching, therefore, the volume that contactor and device for switching take in alternating current-direct current major loop or Large Copacity control loop is comparatively large, affects the layout of other electric equipments in major loop; 2., in the prior art, because needs are equipped with device for switching, cause the major loop cost with contactor and device for switching to increase; 3. in the prior art, the major loop that this area engineers and technicians cannot realize closely control contactor switches on and off, cause the debugging maintenance time long, and control loop can not be disconnected fast when other electric equipments need repairing in major loop, easily cause the generation of electric accident.
Utility model content
Problem to be solved in the utility model is that existing contactor needs to be equipped with device for switching in use, the volume caused is large, cost is high, and the problem closely controlling break-make can not be realized, thus provide a kind of without the need to being equipped with device for switching, take that the volume of major loop is little, cost is low and can realize closely controlling the contactor had from on-off function of break-make.
To achieve these goals, the utility model adopts following technical scheme:
There is the contactor from on-off function, comprise
Housing, described housing comprises upper cover and base;
Be located at the control loop mechanism of described chassis interior, described control loop mechanism comprises static iron core, dynamic iron core, coil rack and is wrapped on described coil rack, the coil being closed by energising and the described dynamic iron core of power-off control with described static iron core and separate;
Also comprise and be located in described base, for controlling the break-make control loop structure of described coil electricity and power-off, described break-make control loop structure comprises
Rotating cam;
Push away swing contact, be arranged at described rotating cam side and swing by described rotating cam drives, describedly push away the open position swinging contact and there is initial on-position and swing by described rotating cam drives, described in push away and swing contact and be electrically connected with described coil one end;
Lug plate fixed contact, swing that contact is corresponding to be arranged with described pushing away, described lug plate fixed contact is electrically connected with the described coil other end;
Resilient bias, pushes away described in putting on and swings contact flexible bias pressure, pushes away to swing when contact is in described initial turn-on position to be pressed together on described lug plate fixed contact described in making.
Described rotating cam and described pushing away swing contact and are embedded in the first installation cavity of leaving described base side; Described lug plate fixed contact is embedded in inner the second installation cavity left of described coil rack, and is connected with described coil rack.
Described lug plate fixed contact is connected to described coil rack by Welding Structure.
Described rotating cam comprise top, can operating portion for what coordinate with operation tool, and bottom, cam part for coordinating with described lug plate fixed contact.
Describedly can to comprise cylindrical end and take shape in described cylindrical end end face by operating portion, be suitable for screwdriver and insert and the cross recess pulled; Cover on described form with described can handle hole corresponding to operating structure.
Described break-make control loop mechanism also comprise for described push away to swing when contact is rocked to described open position push away the latch-up structure swinging contact described in locking.
Described latch-up structure comprises and takes shape in convex tendon or draw-in groove on described rotating cam, and pushes away described in taking shape in and swing on contact, is suitable for the draw-in groove that coordinates with described convex tendon or draw-in groove or convex tendon.
Described resilient bias is the stage clip that one end is fixed on described coil rack.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. contactor of the present utility model, it comprises the break-make control loop structure being arranged on chassis interior, described break-make control loop structure comprises rotating cam, push away and swing contact and lug plate fixed contact, push away and swing contact and lug plate fixed contact and to be flexible coupling the effect being series in electric loop and playing connection and disjunction control loop, by arranging break-make control loop structure at contactor therein, make contactor of the present utility model in use without the need to being equipped with device for switching, thus reduce production cost, reduce the volume that contactor takies in major loop, and, due to the setting of break-make control loop structure, engineers and technicians can the major loop of closely control contactor be switched on and off, manually can disconnect control loop fast when other electric equipments need repairing simultaneously, save the debugging maintenance time and simultaneously strongly play electrical isolation effect, prevent electric accident from occurring.
2. contactor of the present utility model, on the basis of original contactor, take full advantage of Foundation Plate of Contactor body interior space and break-make control loop structure is installed, control coil loop is made to form connected in electrical series loop, and connect disjunction control loop by rotating cam, facilitate technical staff's high efficiency adjustment and installation and meet user's instructions for use, structure is simply cost-saving, and does not affect the overall appearance of contactor.
Accompanying drawing explanation
In order to make the content of utility model more easily be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the three-dimensional structure diagram (not showing upper cover in figure) that the utility model has the contactor from on-off function;
Fig. 2 is that the utility model has the three-dimensional structure diagram gone seen from above from the contactor of on-off function;
Fig. 3 is the partial enlarged drawing that the utility model has after upper cover removed by the contactor of on-off function;
Fig. 4 is the three-dimensional structure diagram that the utility model has rotating cam in the contactor of on-off function;
Fig. 5 is that the utility model has the three-dimensional structure diagram pushing away in the contactor of on-off function and swing contact.
Description of reference numerals
11-upper cover, 111-handle hole, 12-base, 121-first installation cavity, 122-second installation cavity, 2-coil rack, 41-rotating cam, 411-cam part, 412-cylindrical end, 413-cross recess, 414-convex tendon, 42-pushes away swing contact, 421-draw-in groove, 43-lug plate fixed contact, 44-resilient bias.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As Fig. 1 and Fig. 2, show a kind of contactor had from on-off function, it comprises the housing (Fig. 1, in order to show internal structure, eliminates upper cover 11) be made up of upper cover 11 and base 12, and is located at the control loop mechanism of base 12 inside.
Wherein, described control loop mechanism comprises static iron core, dynamic iron core, coil rack 2 and coil, the cavity being suitable for dynamic iron core and moving back and forth is formed in the middle part of coil rack 2, static iron core is arranged on one end of coil rack 2, coil winding is on described coil rack 2, when the coil is energized, move and adhesive to described static iron core under the magnetic fields that described dynamic iron core produces at coil electricity, when the coil is de-energized, magnetic field force disappears, and described dynamic iron core departs from described static iron core to mobile in the other direction under reaction spring active force.
As Figure 1-3, the contactor of present embodiment also comprises to be located in described base 12, for controlling the break-make control loop structure of described coil electricity and power-off, described break-make control loop structure function is by dynamic/static contact, being flexible coupling is series at electric loop to play connection and the effect of disjunction control loop, and described break-make control loop structure is specific as follows:
Described break-make control loop structure comprise cooperatively interact rotating cam 41, push away swing contact 42, lug plate fixed contact 43 and resilient bias 44.
Described pushing away swings contact 42 and is arranged at described rotating cam 41 side, preferably, described in push away swing contact 42 and described rotating cam 41 mutually against, described in push away swing contact 42 can hard to bear described rotating cam 41 rotary actuation and swing; Described pushing away swings contact 42 and has the initial on-position connected with lug plate fixed contact 43 and be subject to described rotating cam 41 and drive and the open position that is rocked to, thus departs from the open position of described lug plate fixed contact 43; Described push away swing contact 42 be series in described electric loop, particularly, described in push away swing contact 42 be electrically connected with described coil one end.
With described pushing away, described lug plate fixed contact 43 swings that contact 42 is corresponding to be arranged, described lug plate fixed contact 43 is also series in described electric loop, and particularly, described lug plate fixed contact 43 is electrically connected with the described coil other end.
Described break-make control loop structure also comprises the resilient bias 44 be fixedly installed, with described pushing away, described resilient bias 44 swings that contact 42 is corresponding to be arranged, push away described in described resilient bias 44 is applied to and swing contact 42 1 flexible bias pressures, push away the free end swinging contact 42 described in making to be pressed together on when initial position on described lug plate fixed contact 43, thus make to push away swing contact and lug plate fixed contact reliable contacts.In the present embodiment, described resilient bias 44 is for being fixed on the fixing stage clip on described coil rack 2.
During use, by rotating described rotating cam 41, push away swing contact 42 described in driving and be rocked to the open position departed from lug plate fixed contact 43 by its initial on-position, described pushing away swings contact 42 overcomes described resilient bias 44 flexible bias pressure when swinging, described coil blackout, namely the electric loop of present embodiment contactor disconnects; When electric loop connected by needs, rotating cam 41 described in reverse rotation, push away swing contact 42 described in described rotating cam 41 promotes to swing in reverse direction, thus push away described in making swing contact 42 swing back to its on-position by its open position, described coil recloses, and namely described electric loop recloses.
By the setting of described break-make control loop structure, make engineers and technicians can closely control contactor major loop connect and break-make; Manually can disconnect control loop fast when other equipment electrical equipment need repairing simultaneously, save the debugging maintenance time, strong electrical isolation effect can also be played simultaneously, prevent electric accident from occurring.
In addition, the contactor of present embodiment, by arranging described break-make control loop structure in its body interior, makes contactor can break away from the outfit of device for switching in use, saves the use cost of contactor and take volume.And, because described break-make control loop vibrational power flow is in the inside of described contactor body, therefore do not affect the overall appearance of contactor.
Further, as Figure 1-3, described rotating cam 41 swings contact 42 be embedded in the first installation cavity 121 of leaving described base 12 side with described pushing away; Described lug plate fixed contact 43 is embedded in the second installation cavity 122 of leaving described coil rack 2 inside, and is connected with described coil rack 2.Described first installation cavity 121 and described second installation cavity 122 are the space that existing contactor inside is not utilized, for this reason, in the contactor of present embodiment, described rotating cam 41, described in push away swing contact 42, described lug plate fixed contact 43 and resilient bias 44, take full advantage of this by its special construction and can arrange space, be arranged in the first installation cavity 121 and the second installation cavity 122 by embedded mode.The described swing contact 42 that pushes away is shaped to strip, described lug plate fixed contact 43 is shaped to the strip with bending, above structure takes full advantage of the space in base upper surface corner, and described rotating cam 41 is shaped to cylindric substantially, take full advantage of this corner adjacent, in existing base unemployed cavity, therefore, by above vibrational power flow, making the contactor of present embodiment without the need to again developing new base mould, continuing to use existing understructure.
Again further, the mode that described lug plate fixed contact 43 is connected to described coil rack 2 has a lot, and in the present embodiment, described lug plate fixed contact 43 is connected to described coil rack 2 by Welding Structure.
Contact 42 is swung in order to realize pushing away described in driving, and can be operated on it by peripheral operation instrument, as shown in Figure 4, described rotating cam 41 comprise top, can operating portion for what coordinate with operation tool, and bottom, cam part 411 for coordinating with described lug plate fixed contact 43.
Describedly can to comprise cylindrical end 412 and take shape in described cylindrical end 412 end face by operating portion, be suitable for screwdriver and insert and the cross recess 413 pulled; Described upper cover 11 forms with described can handle hole 111 corresponding to operating structure.
As shown in Figure 4 and Figure 5, described break-make control loop mechanism also comprise for described push away to swing when contact 42 is rocked to described open position push away the latch-up structure swinging contact 42 described in locking.
Described latch-up structure comprises and takes shape in convex tendon 414 or draw-in groove on described rotating cam 41, and pushes away described in taking shape in and swing on contact 42, is suitable for the draw-in groove 421 that coordinates with described convex tendon 414 or draw-in groove or convex tendon.Preferably, the described cam part 411 of described rotating cam 41 forms convex tendon 414, described in push away to swing on contact 42 and form draw-in groove 421.
During use, screwdriver is inserted in the cross recess of described rotating cam 41 end face and pulls described rotating cam 41, the cam part 411 of rotating cam 41 with push away swing side that contact 42 contacts promote described in push away and swing contact 42 and swing, when described push away pendulum contact 42 be rocked to open position by the driving of described rotating cam 41 time, push away described in convex tendon 414 shaping in the cam part 411 of described rotating cam 41 snaps onto just in the draw-in groove 421 swinging contact 42 surface forming, thus the described swing contact 42 that pushes away is locked in the state departing from described lug plate fixed contact 43; When needs reclose electric loop, counter-rotation screwdriver, the convex tendon 414 of described rotating cam 41 is screwed out from described draw-in groove 421, now, described in push away and swing the flexible bias pressure that applies due to described resilient bias 44 of contact 42 and swing back to its on-position.
In order to further facilitate engineers and technicians' operation, in the contactor of present embodiment, the edge of the handle hole 111 of described upper cover 11 is also provided with and switches on and off sign, the cross recess of rotating cam is marked with arrow, when pushing away swing contact and lug plate fixed contact connects, arrow points on-position, rotating cam turns to push away and swings contact and lug plate fixed contact when disconnecting, arrow points open position.
Obviously, above-described embodiment is only for clearly example being described, the restriction not to execution mode.Concerning those of ordinary skill in the field, also can make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (8)
1. there is the contactor from on-off function, comprise
Housing, described housing comprises upper cover (11) and base (12);
Be located at the control loop mechanism that described base (12) is inner, described control loop mechanism comprises static iron core, dynamic iron core, coil rack (2) and is wrapped on described coil rack (2), the coil being closed by energising and the described dynamic iron core of power-off control with described static iron core and separate;
It is characterized in that:
Also comprise and be located in described base (12), for controlling the break-make control loop structure of described coil electricity and power-off, described break-make control loop structure comprises
Rotating cam (41);
Push away and swing contact (42), be arranged at described rotating cam (41) side and swing by described rotating cam (41) drives, described push away swing contact (42) have initial on-position and by described rotating cam (41) drive and swing open position, described in push away swing contact (42) be electrically connected with described coil one end;
Lug plate fixed contact (43), swing that contact (42) is corresponding to be arranged with described pushing away, described lug plate fixed contact (43) is electrically connected with the described coil other end;
Resilient bias (44), pushes away described in putting on and swings contact (42) flexible bias pressure, pushes away to swing when contact (42) is in described initial turn-on position to be pressed together on described lug plate fixed contact (43) described in making.
2. contactor according to claim 1, is characterized in that: described rotating cam (41) swings contact (42) be embedded in the first installation cavity (121) of leaving described base (12) side with described pushing away; Described lug plate fixed contact (43) is embedded in the second installation cavity (122) of leaving described coil rack (2) inside, and is connected with described coil rack (2).
3. contactor according to claim 2, is characterized in that: described lug plate fixed contact (43) is connected to described coil rack (2) by Welding Structure.
4. contactor according to claim 3, it is characterized in that: described rotating cam (41) comprise top, can operating portion for what coordinate with operation tool, and bottom, cam part (411) for coordinating with described lug plate fixed contact (43).
5. contactor according to claim 4, it is characterized in that: describedly can to comprise cylindrical end (412) and take shape in described cylindrical end (412) end face by operating portion, be suitable for screwdriver and insert and the cross recess pulled (413);
Described upper cover (11) forms with described can handle hole (111) corresponding to operating structure.
6. the contactor according to any one of claim 1-5, is characterized in that: described break-make control loop mechanism also comprise for described push away to swing when contact (42) is rocked to described open position push away the latch-up structure swinging contact (42) described in locking.
7. contactor according to claim 6, it is characterized in that: described latch-up structure comprises and takes shape in the upper convex tendon (414) of described rotating cam (41) or draw-in groove, and push away described in taking shape in and swing on contact (42), be suitable for the draw-in groove (421) that coordinates with described convex tendon (414) or draw-in groove or convex tendon.
8. contactor according to claim 7, is characterized in that: described resilient bias (44) is the stage clip on one end is fixed on described coil rack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520624.1U CN204029716U (en) | 2014-09-11 | 2014-09-11 | A kind of contactor had from on-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520624.1U CN204029716U (en) | 2014-09-11 | 2014-09-11 | A kind of contactor had from on-off function |
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| Publication Number | Publication Date |
|---|---|
| CN204029716U true CN204029716U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420520624.1U Active CN204029716U (en) | 2014-09-11 | 2014-09-11 | A kind of contactor had from on-off function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043393A (en) * | 2016-06-30 | 2016-10-26 | 宁波秀禾科技有限公司 | Trundle with power |
| CN106710966A (en) * | 2017-02-24 | 2017-05-24 | 德力西电气有限公司 | Wiring structure of control loop and contactor |
-
2014
- 2014-09-11 CN CN201420520624.1U patent/CN204029716U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043393A (en) * | 2016-06-30 | 2016-10-26 | 宁波秀禾科技有限公司 | Trundle with power |
| CN106043393B (en) * | 2016-06-30 | 2023-09-29 | 宁波秀禾科技有限公司 | Caster with power |
| CN106710966A (en) * | 2017-02-24 | 2017-05-24 | 德力西电气有限公司 | Wiring structure of control loop and contactor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |