CN203910675U - Magnetic proximity switch - Google Patents
Magnetic proximity switch Download PDFInfo
- Publication number
- CN203910675U CN203910675U CN201420323988.0U CN201420323988U CN203910675U CN 203910675 U CN203910675 U CN 203910675U CN 201420323988 U CN201420323988 U CN 201420323988U CN 203910675 U CN203910675 U CN 203910675U
- Authority
- CN
- China
- Prior art keywords
- balance plate
- magnetic
- magnet
- housing
- approach 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.)
- Withdrawn - After Issue
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model relates to the field of proximity switches, and particularly relates to a magnetic proximity switch comprising a shell. The middle part in the shell is transversely provided with a balance plate. A moving magnet and a stationary magnet are respectively arranged on the left part and the right part on the balance plate in parallel. The left end of the balance plate is hinged in the shell. The lower surface of the right end of the balance plate is provided with a moving contact. The balance plate and the moving magnet are connected via an elastic component A. A connecting terminal A and a connecting terminal B are fixedly arranged on the left part and the right part on the bottom part in the shell in parallel respectively. The top part of the connecting terminal A is connected with the balance plate via an elastic component B. The upper part of the connecting terminal B is transversely folded, and the folded part is provided with a stationary contact. The stationary contact and the moving contact are arranged in a corresponding way. The balance plate is provided with a magnetic suction component A which is corresponding to the lower end of the stationary magnet in arrangement. The magnetic proximity switch is reasonable in structure arrangement, and instant action force is high and motion is rapid when the stationary contact and the moving contact are closed via suction or separated so that a technical problem in the prior art that arc discharge is liable to occur is effectively solved.
Description
Technical field
The utility model relates to approach switch field, in particular a kind of large electric current magnetic approach switch of open type.
Background technology
Magnetic approach switch is widely used in each technical field, is a kind of moving magnet that passes through, and the interaction of static magnet and external magnet realizes the device of switch, and rationally whether its structure setting science, directly determines quality and the useful life of magnetic approach switch.The irrationality that existing magnetic approach switch arranges because of structure, there is some defects and deficiency: as Chinese utility model patent specification ZL201220483811.8, it discloses a kind of magnetic sensitive switch, by both sides, respectively setting a magnet goes adhesive or repels middle moving magnet, realize contact contact or the separated on/off of controlling, the defect of this scheme is that the magnet on both sides will overcome corresponding reaction force mutually, and while causing contact folding, active force is less, easily produces arcing phenomenon.For another example Chinese utility model patent specification ZL201020102625.6 and ZL201020670583.6, they all disclose a kind of magnetic sensitive switch of open type, just the internal magnet placement location of these two kinds of structures is different, the fulcrum of its power action is not a position, but be all only by a knee springing bar, to realize stroke action, the adhesive of contact entirely by this knee springing bar, acts on little with separated power, rapid not when adhesive or separation, also easily produce arcing.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is to provide a kind of magnetic approach switch for the deficiencies in the prior art, and momentary action power when it has effectively strengthened contact folding has solved and in prior art, easily produced this technical barrier of arcing.
For achieving the above object, the utility model adopts following technical scheme:
A kind of magnetic approach switch described in the utility model, comprise housing, in described housing, medium position is laterally provided with balance plate, left and right, described balance plate top is provided with moving magnet and static magnet side by side, described balance plate left end is hinged to be located in housing, described balance plate right-hand member lower surface is provided with moving contact, described balance plate is connected by elastomeric element A with moving magnet, described housing inner bottom part left and right is fixed with terminals A and terminals B side by side, described terminals A top is connected with balance plate by elastomeric element B, described terminals B upper lateral is folding, folding part is provided with fixed contact, the setting corresponding to moving contact of described fixed contact, magnetic components A is set on described balance plate, the setting corresponding to static magnet lower end of magnetic components A.
Further, in described housing, be provided with lock banking stop, described lock banking stop comprises transversal flaps and vertical sheet, described transversal flaps is fixedly connected with by axle point with vertical sheet, described lock banking stop is rotatably located in housing centered by axle point, described transversal flaps outer end is placed on moving magnet, between described end, vertical sheet outer end and balance plate right-hand member end, is provided with locking mechanism; Described transversal flaps lower surface is provided with magnetic part B, the setting corresponding to static magnet upper end of described magnetic part B.
Further, be provided with round support column in described housing, between described round support column and the housing upper right corner, form and hold gap, described axle point is rotatably located at and is held in gap.
Further, described locking mechanism comprises the draw-in groove of being located at balance plate right-hand member end and the card of being located at vertical sheet lower end, and described card is located in draw-in groove.
Further, the transversal flaps of described lock banking stop and balance plate be arranged in parallel; The vertical sheet of described lock banking stop and balance plate vertical direction arrange.
Further, in described housing, be provided with chute, described moving magnet can be located in chute up or down.
Further, in described chute, be provided with slide rail, described moving magnet is arranged on slide rail.
Further, described elastomeric element A and elastomeric element B are flexure strip.
Further, described terminals A top is fixed with support, and described balance plate left end is articulated with on support.
Further, described magnetic components A and magnetic part B are irony rivet.
The beneficial effects of the utility model: moving magnet described in the utility model is under the effect of external magnet, move down, overcome the upwards active force of elastomeric element A and elastomeric element B, need to overcome the active force between magnetic components A and static magnet simultaneously, fixed contact described in the utility model and moving contact adhesive or when separated rapidly and momentary action power large, deficiency and the defect of prior art have effectively been overcome, avoided the generation of arcing phenomenon, effectively extended useful life, expansion application and range of application greatly.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is that the utility model is removed the structural representation after housing.
In figure:
1, housing, 11, chute, 12, circle support column, 13, hold gap,
2, moving magnet, 3, static magnet,
4, lock banking stop, 41, transversal flaps, 42, vertical sheet, 43, axle point,
411, magnetic part B, 421, card,
5, balance plate, 51, moving contact, 52, elastomeric element A, 53, elastomeric element B,
54, draw-in groove, 55, magnetic components A,
6, terminals B, 61, fixed contact,
7, terminals A, 71, support.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
As depicted in figs. 1 and 2, a kind of magnetic approach switch described in the utility model, comprises housing 1, and the general insulating material that adopts of described housing 1 is made, and is as good as with prior art, is not repeated in this description.
The interior medium position of described housing 1 is laterally provided with the balance plate 5 of being made by metal material, balance plate 5 left ends are articulated with on support 71, described balance plate 5 right-hand member lower surfaces are provided with moving contact 51, and described balance plate 5 can left end be that fulcrum swings up and down, and is convenient to moving contact 51 and moves up and down.
Described balance plate 5 left and right, top are provided with moving magnet 2 and static magnet 3 side by side, particularly, in described housing 1, are provided with chute 11, and described moving magnet 2 can be located in chute 11 up or down.For making moving magnet 2 operations more steady, in described chute 11, be provided with slide rail, described moving magnet 2 is arranged on slide rail.Described static magnet 3 is set up in parallel with moving magnet 2, is fixed in housing 1.
Described balance plate 5 is connected by elastomeric element A52 with moving magnet 2, and the preferred described elastomeric element A52 of the utility model is the flexure strip that metal is made, and described flexure strip two ends are connected with moving magnet 2 upper surfaces with balance plate 5 bottoms respectively.
Described housing 1 is fixed with terminals A7 and terminals B6 side by side about the interior end.
Wherein, described terminals A7 top is connected with balance plate 5 by elastomeric element B53, and the preferred described elastomeric element B53 of the utility model is the flexure strip that metal is made, and described flexure strip two ends are connected with balance plate 5 lower surfaces with terminals A7 top respectively.
Described support 71 is fixedly connected on terminals A7 top, arranges like this, can effectively improve globality of the present utility model, optimizes syndeton.Described terminals B6 upper lateral is folding, and folding part is provided with fixed contact 61, the setting corresponding to moving contact 51 of described fixed contact 61.
In described housing 1, be provided with lock banking stop 4, described lock banking stop 4 comprises transversal flaps 41 and vertical sheet 42, described transversal flaps 41 is put 43 with vertical sheet 42 by axle and is fixedly connected with, described lock banking stop 4 is rotatably located in housing 1 centered by putting 43 by axle, described transversal flaps 41 is located on moving magnet 2, between described vertical sheet 42 outer ends and balance plate 5 right-hand members, is provided with locking mechanism.Particularly, in the preferred described housing 1 of the utility model, be provided with round support column 12, between described round support column 12 and housing 1 upper right corner, form and hold gap 13, described axle point 43 is rotatably located at and is held in gap 13.When initial condition (being that fixed contact 61 disconnects with moving contact 51), transversal flaps 41 and the balance plate 5 of described lock banking stop 4 be arranged in parallel; Vertical sheet 42 and the balance plate 5 vertical direction settings of described lock banking stop 4.Described transversal flaps 41 adopts metal material to make, and it is located on moving magnet 2, can move up and down with moving magnet 2.
In addition, described locking mechanism comprises the draw-in groove 54 of being located at balance plate 5 right-hand member ends and the card 421 of being located at vertical sheet 42 lower ends, and described card 421 is arranged in draw-in groove 54.
Described transversal flaps 41 lower surfaces are provided with magnetic part B 411, described magnetic part B 411 and the static magnet 3 corresponding settings in upper end.On described balance plate 5, magnetic parts 55 are set, magnetic components A 55 and the static magnet 3 corresponding settings in lower end.Described magnetic components A 55 and magnetic part B 411 are rivet, and optimum is irony rivet.
Operation principle: as shown in Figure 1, initial condition of the present utility model is, described moving contact 51 is with fixed contact 61 in separated position, and the utility model is in OFF state (normally open).Now, described moving magnet 2 is positioned at chute 11 tops, described elastomeric element A52 with elastomeric element B53 in the relative state that do not stress, magnetic components A 55 is inhaled mutually with static magnet 3 lower ends, the transversal flaps 41 of balance plate 5 and lock banking stop 4 is all in level, and the vertical sheet 42 of lock banking stop 4 is fixed angle with transversal flaps 41, the utility model preferably described vertical sheet 42 is mutually vertical with transversal flaps 41, and described card 421 is arranged in draw-in groove 54, be in the lock state, make two contacts form stable released state.In the time of need to opening the utility model, with external magnet near the utility model housing 1 top, external magnet drives moving magnet 2 to move down, in moving magnet 2 folding processes, owing to there being the attraction of magnetic part B 411 in 3 pairs of transversal flaps 41 of static magnet, transversal flaps 41 left ends move down, moving magnet 2 needs to overcome the upwards active force of elastomeric element A52 and elastomeric element B53 in folding process, simultaneously, need overcome the attraction between magnetic components A 55 and static magnet 3, described balance plate 5 could be take left end as fulcrum, balance plate 5 right-hand members move down, now, the vertical sheet 42 of described lock banking stop 4 moves right (to extrinsic deflection), when transversal flaps 41 is displaced downwardly to certain position, magnetic part B 411 is inhaled mutually with static magnet 3 upper ends, the transversal flaps 41 that this attraction is accelerated lock banking stop 4 moves downward, and the vertical sheet 42 of lock banking stop 4 moves right simultaneously, finally make card 421 depart from from draw-in groove 54, until the outward flange upper surface of being located at draw-in groove 54 is supported in card 421 bottoms, balance plate 5 right-hand members cannot be moved up, balance plate 5 is formed to lock-out state, guarantee the contact condition that fixed contact 61 and moving contact 51 are closely stable, the utility model transfers ON state to.From aforesaid operations process, the utility model transfers ON state to, and enough active forces need to be provided, and also because active force is larger, from OFF, transfers ON state to, moves comparatively rapidly, finally forms the stable contact condition of fixed contact 61 and moving contact 51.While needing to reply initial condition, remove external magnet, described moving magnet 2 moves up under the effect of elastomeric element A52 and elastomeric element B53, overcomes after the attraction of magnetic part B 411 and static magnet 3, and transversal flaps 41 is upwards promoted by moving magnet 2, drive the card 421 of vertical sheet 42 to left movement, until card 421 departs from from draw-in groove 54 surfaces, slip in draw-in groove 54, static magnet 3 is separated fast with magnetic components A 55, acceleration release action, makes it action more clear-cut.Once transversal flaps 41 is implemented to release, and balance plate 5 moves up fast, final switch forms OFF state (contact separation state).
Moving contact 51 of the present utility model and fixed contact 61 are in adhesive or when separated, compared to existing design, momentary action power is large, and (the momentary action power according to experimental data measuring and calculating prior art is below 30g, more than momentary action power 70g of the present utility model), speed is fast, has effectively avoided arcing phenomenon, makes the utility model be adapted to be greater than 10A rated current, and extensive use on 2500W high-power electric appliance, greatly widened application of the present utility model and range of application.
More significant effect, because contact adhesive or momentary action power when separated are large, previous external magnet, moving magnet can be adopted to the design optimization of neodymium iron boron be ferrite lattice, can reduce product cost 30%.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement, replacement or modification that every those skilled in the art do on basis of the present utility model all belong to protection range of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a magnetic approach switch, comprise housing (1), it is characterized in that: the interior medium position of described housing (1) is laterally provided with balance plate (5), left and right, described balance plate (5) top is provided with moving magnet (2) and static magnet (3) side by side, described balance plate (5) left end is hinged to be located in housing (1), described balance plate (5) right-hand member lower surface is provided with moving contact (51), described balance plate (5) is connected by elastomeric element A (52) with moving magnet (2), described housing (1) inner bottom part left and right is fixed with terminals A (7) and terminals B (6) side by side, described terminals A (7) top is connected with balance plate (5) by elastomeric element B (53), described terminals B (6) upper lateral is folding, folding part is provided with fixed contact (61), described fixed contact (61) and the corresponding setting of moving contact (51), magnetic components A (55) is set on described balance plate (5), magnetic components A (55) and the corresponding setting in static magnet (3) lower end.
2. magnetic approach switch according to claim 1, it is characterized in that: in described housing (1), be provided with lock banking stop (4), described lock banking stop (4) comprises transversal flaps (41) and vertical sheet (42), described transversal flaps (41) is fixedly connected with by axle point (43) with vertical sheet (42), described lock banking stop (4) is rotatably located in housing (1) centered by axle point (43), it is upper that described transversal flaps (41) outer end is placed in moving magnet (2), between described vertical sheet (42) end, outer end and balance plate (5) right-hand member end, is provided with locking mechanism; Described transversal flaps (41) lower surface is provided with magnetic part B (411), described magnetic part B (411) and the corresponding setting in static magnet (3) upper end.
3. magnetic approach switch according to claim 2, it is characterized in that: in described housing (1), be provided with round support column (12), between described round support column (12) and housing (1) upper right corner, form and hold gap (13), described axle point (43) is rotatably located at and is held in gap (13).
4. magnetic approach switch according to claim 3, it is characterized in that: described locking mechanism comprises the card (421) of being located at the draw-in groove (54) of balance plate (5) right-hand member end and being located at vertical sheet (42) lower end, and described card (421) is arranged in draw-in groove (54).
5. magnetic approach switch according to claim 4, is characterized in that: the transversal flaps (41) of described lock banking stop (4) be arranged in parallel with balance plate (5); The vertical sheet (42) of described lock banking stop (4) and balance plate (5) vertical direction setting.
6. according to the arbitrary described magnetic approach switch of claim 1-5, it is characterized in that: in described housing (1), be provided with chute (11), described moving magnet (2) can be located in chute (11) up or down.
7. magnetic approach switch according to claim 6, is characterized in that: described chute is provided with slide rail in (11), and described moving magnet (2) is arranged on slide rail.
8. magnetic approach switch according to claim 6, is characterized in that: described elastomeric element A (52) and elastomeric element B (53) are flexure strip.
9. magnetic approach switch according to claim 6, is characterized in that: described terminals A (7) top is fixed with support (71), and described balance plate (5) left end is articulated with on support (71).
10. magnetic approach switch according to claim 6, is characterized in that: described magnetic components A (55) and magnetic part B (411) are irony rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323988.0U CN203910675U (en) | 2014-06-17 | 2014-06-17 | Magnetic proximity switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323988.0U CN203910675U (en) | 2014-06-17 | 2014-06-17 | Magnetic proximity switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910675U true CN203910675U (en) | 2014-10-29 |
Family
ID=51784930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323988.0U Withdrawn - After Issue CN203910675U (en) | 2014-06-17 | 2014-06-17 | Magnetic proximity switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008917A (en) * | 2014-06-17 | 2014-08-27 | 佛山市川东照明科技有限公司 | Magnetic proximity switch |
-
2014
- 2014-06-17 CN CN201420323988.0U patent/CN203910675U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008917A (en) * | 2014-06-17 | 2014-08-27 | 佛山市川东照明科技有限公司 | Magnetic proximity switch |
| CN104008917B (en) * | 2014-06-17 | 2016-01-20 | 佛山市川东磁电股份有限公司 | A kind of magnetic approach switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104008917B (en) | A kind of magnetic approach switch | |
| CN104037016A (en) | Novel magnetic proximity switch | |
| CN106887365A (en) | DC relay | |
| CN113178359A (en) | High-voltage direct-current relay with magnetic steel arc extinguishing function | |
| CN105206476A (en) | Contact terminal system and contactor comprising same | |
| CN203910675U (en) | Magnetic proximity switch | |
| CN204596700U (en) | A kind of vacuum circuit-breaker combined floodgate locking device | |
| CN202221739U (en) | High-power relay | |
| CN203434094U (en) | Miniature electromagnetic relay with high sensitivity | |
| CN106024526B (en) | A kind of clapper-type electromagnetic relay for high voltage direct current | |
| CN107978482B (en) | electromagnetic repulsion mechanism built by angle steel | |
| CN202585273U (en) | Relay | |
| CN102129930A (en) | Quick acting rocker type switch | |
| CN201975311U (en) | Rocker switch with rapid action | |
| CN103794414A (en) | Relay | |
| CN102610447A (en) | Relay | |
| CN103474287A (en) | Double-acting iron core permanent magnet operating mechanism | |
| CN205081057U (en) | Contact system and including contact system's contactor | |
| CN203787357U (en) | DC (direct current) contactor | |
| CN208985930U (en) | D.C. contactor with high anti-short circuit capability | |
| CN207038443U (en) | A kind of high capacity Double-phase magnetic holding relay | |
| CN210091988U (en) | High-voltage direct-current relay capable of prolonging service life of product | |
| CN203536311U (en) | Track-type transmission electromagnetic relay | |
| CN203165807U (en) | Moving reed conveying mechanism | |
| CN205881821U (en) | A clapper -type electromagnetic relay for high voltage direct current |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |