CN104795290A - Combined switch - Google Patents
Combined switch Download PDFInfo
- Publication number
- CN104795290A CN104795290A CN201510212615.5A CN201510212615A CN104795290A CN 104795290 A CN104795290 A CN 104795290A CN 201510212615 A CN201510212615 A CN 201510212615A CN 104795290 A CN104795290 A CN 104795290A
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- CN
- China
- Prior art keywords
- switch
- button
- rotating shaft
- locking bar
- state
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
- H01H89/02—Combination of a key operated switch with a manually operated switch, e.g. ignition and lighting switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The invention relates to a combined switch comprising a button and a knob. The combined switch is provided with an interlocking mechanism comprising a rotary locking structure and a press locking structure. The rotary locking structure is arranged to block a rotating shaft from rotating so as to prevent a first switch to change the on state when a second switch is under the off state even if the first switch changes from the positive on state to the reversing on state or changes from the reversing on state to the positive on state; the press locking structure is arranged to block a lock bar from moving downwards so as to prevent the second switch from changing the on-ff state when the first switch is not under the on state. Therefore, misoperation to the combined switch by people can be prevented, and safety of electric appliances is guaranteed; meanwhile, as the locking structure utilizes the rotating shaft serving as a rotation control mechanism portion and the lock bar serving as the button control mechanism portion, the components of the combined switch are fully utilized, space of the switch is reduced, and the structure is more compact.
Description
Technical field
The present invention relates to a kind of unit switch, belong to appliance switch technical field.
Background technology
At present on small domestic appliance in order to these two functions of the commutation and start/stop that realize direct current machine both positive and negative polarity, common solution is arrange two separate and constructions of switch be cascaded respectively, namely arrange push-button switch to start to the closed and disconnected carrying out circuit to control direct current machine and stop, rotary switch or relay are set to realize the commutation of direct current machine both positive and negative polarity.Above-mentioned set-up mode element is many, and owing to adopting absolute construction, the space that global switch structure takies in complete machine is large, and structure is compact not, can not adapt to the development trend of present household electrical appliance miniaturization, and in addition, during employing relay, cost is also very high.
Push-button switch and rotary switch are combined formation unit switch, the problem that global switch structure is large in the space taken can be solved, make structure more compact.But, if push-button switch and rotary switch are combined, due to button and knob close together, then easily there is misoperation, such as (when being energized) very easily activation knob when button is pressed, knob is rotated, then easily causes the commutation of direct current machine both positive and negative polarity thus the sense of current of direct current machine is changed, so very easily causing direct current machine to damage; If rotary switch is not rotated in place (contact does not contact completely), press the button making current, then easily cause the contact of rotary switch to produce spark, burn contact and rotary switch is damaged.
In sum, how to provide one to reduce and take up room, make compact conformation, and the unit switch ensureing pressing and rotary manipulation reliability is the technical barrier also do not solved in prior art.
Summary of the invention
For this reason, technical problem to be solved by this invention is to overcome the technical problem that construction of switch of the prior art takes up room greatly, structure is not compact, thus proposes a kind of little, compact conformation and can prevent the unit switch of misoperation of taking up room.
For solving the problems of the technologies described above, a kind of unit switch of the present invention, comprises,
Shell, inner formation installing space;
First switch, is arranged in installing space, has different conducting states, comprises the first feeler lever for changing the first switch-turn-ON states;
Second switch, is arranged in installing space, has different open and-shut modes, comprises the second feeler lever for changing second switch open and-shut mode;
Also comprise,
Knob controlling organization, for controlling the conducting state of the first switch, comprises, knob, extend into rotating shaft that is in installing space and that arrange with knob linkage, and cam, drives touch structure to touch the first feeler lever and make the first switch change conducting state when cam rotates;
Button control mechanism, for controlling the open and-shut mode of second switch, comprise, be socketed in the button in the installation through hole of knob, the locking bar of the installation through hole that one end is fixedly connected with button, the other end is positioned at rotating shaft, the stretching structure be connected with locking bar, button press hour locking lever drives stretching structure to touch the second feeler lever and makes second switch change open and-shut mode; And
Mutual interlocking gear, comprise, for when second switch is in closure state, rotating shaft is stoped to rotate with the rotary locking structure preventing the first switch change-over conducting state, and be between different conducting states at the first switch, what stop locking bar to move downward to prevent second switch from converting open and-shut mode presses latch-up structure.
Unit switch of the present invention, described rotary locking structure, comprise, be molded over the muscle on locking bar outer wall, be molded over the spacing hole of rotating shaft inside, described muscle has the free rotation state be positioned on spacing hole, and to extend under button press effect in spacing hole and to stop the rotation locking state of axis of rotation
Unit switch of the present invention, describedly press latch-up structure, comprise, be molded over rotating shaft inside along rotating shaft cross section and cover except spacing hole is with the catch of exterior domain, and be molded over the central through hole at described catch center, described muscle have stagger with described catch freely press state, and aim at described catch under the drive of described knob turning effort press lock-out state, when described muscle is in and presses lock-out state, stopped by described catch and can not move towards the bottom of described rotating shaft, and described first switch is between different conducting states.
Unit switch of the present invention, described locking bar comprises the locking bar body of column, described muscle is a pair, and be symmetricly set on the outer wall of locking bar body, the dividing plate vertical with described locking bar body axis is also formed below described muscle, form rotation space between described dividing plate and muscle bottom surface, described rotation space circumferentially has side opening, and described catch to be socketed on locking bar body and to be positioned at described rotation space.When locking bar is in resilience state, described catch is positioned at rotation space.
Unit switch of the present invention, described first switch is two reversing switches, each reversing switch all has a public input, often opens output and normally closed output, pressing and remove pressing first feeler lever two reversing switches can be made simultaneously to convert at public input and often opening between the forward conduction of output electric connection and the commutation conducting of public input and normally closed output electric connection.
Unit switch of the present invention, described second switch is two on-off switches, each on-off switch all has an input and output, pressing and remove pressing second feeler lever two on-off switches can be made simultaneously to be communicated with output at input or to convert between the open and-shut mode that disconnects.
Unit switch of the present invention, the input of two second switches is electrically connected with two inlet wire cables respectively, the output of two second switches is electrically connected with the public input of two the first switches respectively, and the output of often opening of two the first switches is also electrically connected with two outlet cable respectively with normally closed output interconnection.
Unit switch of the present invention, also comprise anti-rotation structure, described anti-rotation structure comprises, the boss of the outstanding annular be molded on described cam vertically, be molded over the gear groove on described boss lateral wall, the cell wall of described gear groove is inclined-plane, the gear button being arranged limit spring in the enclosure by mounting structure and be resisted against on boss lateral wall by spacing spring force effect, and gear groove is corresponding trigger end respectively; When switch is in conducting state, gear button lays respectively in corresponding gear groove, and limited spring is resisted against on the lateral wall of boss, and is stopped by the cell wall of gear groove and can not deviate from gear groove easily.
Unit switch of the present invention, described mounting structure comprises, fixed installation groove inside the upper wall being molded over pedestal, mount cover and fixedly mounting the limited cover on groove to form the space of fixing limit spring and gear button, and make limit spring mounting groove have the notch of opening towards cam, limit spring is provided with in fixed installation groove, gear fastener has the matrix part be arranged in fixed installation groove and the butting section be directly resisted against on the lateral wall of boss protruding from the setting of fixed installation groove, limit spring one end is resisted against on the inwall of pedestal sidewall, one end is resisted against the matrix part of gear button, all the time gear button is applied towards the elastic force effect outside notch in limit spring, gear button and boss is made to keep close contact.
Unit switch of the present invention, also comprise the restriction rotating mechanism preventing cam from excessively rotating, described restriction rotating mechanism, comprise, be molded over the boss projection axially of boss, be molded over the block on the inwall of the upper bottom surface of described pedestal, cam turns to and is greater than when changing switch-turn-ON states trigger angle, the stop boss projection of block and cam cannot be rotated further.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) unit switch of the present invention, when rotary locking structure is set to make second switch be in closure state, rotating shaft is stoped to rotate to prevent the first switch change-over conducting state, even if the first switch becomes commutation conducting state from forward conduction state, or become forward conduction state from commutation conducting state, and setting presses latch-up structure when the first switch is not in conducting state, locking bar is stoped to move downward to prevent second switch from converting open and-shut mode, can prevent people from carrying out misoperation to unit switch, the safety of electrical equipment can be ensured, simultaneously because latch-up structure make use of the rotating shaft as rotation control mechanism part, with the locking bar of button control mechanism section, take full advantage of the parts of unit switch, reduce the space of switch and make structure compacter.
(2) unit switch of the present invention, the distance that dividing plate moves upward to limit locking bar is set, after button is upspring, muscle does the ascending motion of close button relative to rotating shaft together with locking bar, when baffle contacts is to catch, catch just can stop locking bar to continue motion, prevents the displacement of locking bar excessive, the relative position of restriction locking bar and rotating shaft, ensures the safe operation of mutual interlocking gear.
(3) unit switch of the present invention, anti-rotation structure is set, when switch is in different conducting states, gear button lays respectively in corresponding gear groove, be resisted against under limited spring action on the lateral wall of boss, and stopped by the inclined-plane cell wall of gear groove and gear groove can not be deviate from, now, even if when knob is touched by active force less unintentionally, gear button also can not deviate from gear groove, can only when adopting larger active force rotary manipulation knob, could deviate from from gear groove, thus do not affect switch and switch between different conducting states, and the stability of conducting state can be kept out, avoid extraneous being not intended to interference and the change of state that causes, ensure switch and be connected to the safety of the electrical equipment on switch.
(4) unit switch of the present invention; restriction rotational structure is set; boss arranges boss projection; the inwall of switch base arranges block; boss projection rotates along with cam, when cam turn to be greater than change switch-turn-ON states trigger angle time, boss projection will touch block; and prevent cam inordinate rotation, the safety of further protection switch.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the circuit theory diagrams of the embodiment of the present invention 1;
Fig. 2 is the stereogram of the embodiment of the present invention 1 unit switch;
Fig. 3 is the structural blast figure of the embodiment of the present invention 1 unit switch;
Fig. 4 is the longitudinal section of the embodiment of the present invention 1 unit switch;
Fig. 5 is the longitudinal section of the embodiment of the present invention 1 unit switch;
Fig. 6 is the structural representation of the embodiment of the present invention 1 cam;
Fig. 7 is the structural representation of the embodiment of the present invention 1 locking bar;
Fig. 8 is the embodiment of the present invention 1 pivot structure schematic diagram;
Fig. 9 is the embodiment of the present invention 1 base structure schematic diagram;
Figure 10 is the embodiment of the present invention 1 lock longitudinal section;
Figure 11 a and b is the structural representation of the embodiment of the present invention 1 push rod;
Figure 12 a and b is the structural representation of the embodiment of the present invention 1 lockwheel;
Figure 13 is the structural representation of the embodiment of the present invention 1 depression bar;
Figure 14 is the structural representation of the embodiment of the present invention 1 bottom;
Figure 15 is the structural representation of the embodiment of the present invention 1 first switch;
Figure 16 is the structural representation of the embodiment of the present invention 1 second switch;
Figure 17 is the structural representation of the embodiment of the present invention 1 knob;
Figure 18 is the structural representation of the embodiment of the present invention 1 button;
Figure 19 a-d is the structural representation of the embodiment of the present invention 1 stretching structure;
Figure 20 is the upward view of the embodiment of the present invention 1 pedestal;
Figure 21 is the structural representation of the embodiment of the present invention 1 mounting structure.
In figure, Reference numeral is expressed as: 11-pedestal; 12-base; 111-installs cylinder; 112-upper wall; 112a-fixedly mounts groove; 112b-notch; 113-block; 114-clip; 21-second switch; 22-first switch; 211-second feeler lever; 221-first feeler lever; 31-knob; Cylinder in 311-knob; 312-annular projection; 313-knob outside cylinder; 314-knob through hole; 315-rectangle protrudes; 316-knob clasp; 32-rotating shaft; 321-rotating shaft is protruding; 322-rotating shaft groove; 323-catch; 324-annular retaining ring; 325-lockhole; 325a-central through hole; 325b-spacing hole; The circular draw-in groove of 326-; 33-cam; The isometrical portion of 331a-; 331b-varying diameter portion; 331c-trigger end; 332-boss; 332a-gear groove; 332b-cam groove; 333-boss projection; The isometrical portion of 331a-; 331b-varying diameter portion; 331c-trigger end; 34-gear button; 341-matrix part; 342-butting section; 35-limit spring; 36-limited cover; 37-cushion block; 41-button; 411-column bossy body; 412-button groove; 413-buckle; 42-lock; 421-lock cylindrical shell; 422-lock base; 423-annulus is protruding; 424-button hole; 425-axial groove; 426-internal tooth; 43-locking bar; 431-muscle; 432-dividing plate; 434-locking bar body; The square projection of 435-; 436-draw-in groove; 44-push rod; 441-square opening and prism; 442-push rod projection; The upper tooth of 443-; 444-push rod circular hole; 45-lockwheel; 451-lower tooth; 452-lockwheel body; 453-lockwheel projection; 454-lockwheel circular hole; 46-depression bar; 461-depression bar body; 462-round boss; 463-inclined-plane; The radial protuberance of 464-; The circular frustum of 465-; 47-back-moving spring; 48-bottom; 481-bottom through hole; 482-bottom buckle; X,
-inlet wire cable, Z,
-outlet cable, A,
-input, B,
-output, C,
-common port contact, D,
-normal-closed end contact, E,
-Chang Kaiduan contact
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Embodiment 1
The present embodiment provides a kind of unit switch, comprises, shell, the first switch, second switch, knob controlling organization, button control mechanism, mutual interlocking gear, anti-rotation structure, mounting structure, restriction rotating mechanism etc.Below in conjunction with concrete accompanying drawing, the Each part of the unit switch of the present embodiment and operation principle are described in detail.
Shell, as shown in Fig. 2,3,4,5, comprises, and base 12 jointly forms the pedestal 11 of installing space with base 12 with mounting cover on base 12, and described pedestal 11 forms outstanding installation cylinder 111, installs cylinder 111 and has the passage be connected with installing space; In order to make full use of the installing space in shell, installing space is divided into two, upper and lower part by cushion block 37, and wherein second switch 21 is arranged on bottom, and the first switch 22 is arranged on top.Two second switches 21 and two the first switches 22 are all arranged along the axis Central Symmetry of pedestal 11 and base 12.
First switch 22 is two, is arranged in installing space, has different conducting states, comprises the first feeler lever 221 for changing the first switch 22 conducting state; Concrete, as shown in figure 15, described first switch 22 is two reversing switches, each reversing switch all has a public input, often opens output and normally closed output, pressing or remove pressing first feeler lever 221 two reversing switches can be made to convert at public input and often opening between the forward conduction of output electric connection and the commutation conducting of public input and normally closed output electric connection.When initial condition, the first feeler lever 221 is in relaxation state, common port contact C,
with normal-closed end contact D,
electric connection, now the first switch 22 is in forward conduction state; After applying active force presses the first feeler lever 221, common port contact C,
with Chang Kaiduan contact E,
electric connection, now the first switch 22 is in commutation conducting state; And once decontrol the active force to the first feeler lever 221, the first feeler lever 221 will reset, and makes recovery forward conduction state.
Second switch 21 is two, is arranged in installing space, has different open and-shut modes, comprises the second feeler lever 211 for changing second switch 21 open and-shut mode; Particularly, as shown in figure 16, described second switch 21 is two on-off switches, and each on-off switch all has an input and output, pressing or remove pressing second feeler lever 211 two on-off switches can be made to be communicated with output at input or to convert between the open and-shut mode that disconnects.Particularly, when initial condition, namely the second feeler lever 211 is in relaxation state, input A,
with output B,
do not have electric connection, second switch 21 is in off-state; After applying active force presses the second feeler lever 211, input A,
with output B,
electric connection, second switch 21 is in closure state; And once decontrol the active force to the second feeler lever 211, the second feeler lever 211 will reset, and makes the first switch 21, second switch 21 recovers off-state; The input A of second switch,
output B,
and first switch common port contact C,
chang Kaiduan contact D,
normal-closed end contact E,
all be piercing in shell to arrange.
Knob controlling organization, for controlling the conducting state of the first switch 22, described knob controlling organization comprises, knob 31, extend in installing space and to link the rotating shaft 32 arranged with knob 31, and cam 33, the feeler lever 221 driving touch structure to touch the first switch 22 when cam 33 rotates makes the first switch 22 change conducting state.
Described knob 31, as shown in figure 17, comprise there is inner space columniform knob in cylinder 311 and there is the knob outside cylinder 313 of column of inner space, the internal diameter of knob outside cylinder 313 is greater than the external diameter of cylinder 311 in knob, in described knob, cylinder 311 is arranged in the inner space of knob outside cylinder 313, the top open of cylinder 311 in knob, the center of bottom surface forms the knob through hole 314 passed for locking bar 43 hereinafter described, in knob, the bottom surface of cylinder 311 forms annular projection 312 around knob through hole 314, the peripheral outer wall of annular projection 312 is symmetrical arranged a pair rectangle and protrudes 315.And the peripheral outer wall of annular projection 312 circumferentially also forms knob clasp 316; The outer wall of knob outside cylinder 313 circumferentially forms multiple arc convex 313, and for increasing the frictional force between finger and knob 31, convenient finger rotates knob 31.
Described rotating shaft 32, as shown in Figure 8, columnar structured for upper bottom surface opening, the upper bottom surface of rotating shaft 32 forms rotating shaft groove 322 towards bottom surface direction, rotating shaft 32 circumferentially forms circular draw-in groove 326 on the inwall of the end of knob 31, and rotating shaft groove 322 protrudes 315 insertions for the rectangle of knob 31, and circular draw-in groove 326 snaps in for knob clasp 316, to make knob 31 and rotating shaft 32 link, and can prevent rotating shaft 32 and knob 31 from loosening in the axial direction; Described rotating shaft 32 is symmetrically distributed with the axially extended multiple rotating shaft projections 321 towards rotating shaft 32 along lateral wall circumference, rotating shaft projection 321 is inserted in the cam groove 332b of cam 33, rotating shaft 32 and cam 33 are linked, for preventing cam 33 in rotating shaft 32 towards the excessively movement of rotating shaft 32 upper bottom surface, the outer wall of rotating shaft 32 also circumferentially forms annular retaining ring 324, and annular retaining ring 324 is positioned at the top of rotating shaft projection 321.
During installation, rotating shaft 32 extend into install in cylinder 111 and protrude upward from installing space installs cylinder 111 certain distance, the annular projection 312 of knob 31 is inserted into rotating shaft 32 top from the opening part of rotating shaft 32, as shown in Figure 4, rectangle on knob 31 protrudes 315 and is inserted in the rotating shaft groove 322 of rotating shaft 32, make rotating shaft 32 and knob 31 form interaction relation, can together rotate; Rotating shaft projection 321 is inserted in the cam groove 332b of cam 33, rotating shaft 32 and cam 33 are linked, cam 33 forms touch structure, first feeler lever 221 of the first switch 22 faces cam 33, and when external force rotates knob 31, knob 31 drives rotating shaft 32 to rotate, rotating shaft 32 is with moving cam 33 to rotate, when cam 33 rotate in place, shaping touch structure on the cam 33 touches the first feeler lever 221 of the first switch 22, and the first switch 22 is switched between forward conduction and commutation conducting.
Described touch structure, as shown in Figure 6, comprise, be molded over two varying diameter portion 331b that two constant isometrical portion 331a of diameter on the outer peripheral face of cam 33 and the radius between isometrical portion 331a increase gradually, isometrical portion 331a and varying diameter portion 331b respectively Central Symmetry is arranged, least radius end and the isometrical portion 331a of varying diameter portion 331b seamlessly transit, the maximum radius end of described varying diameter portion 331b is trigger end 331c, and the radius of two described varying diameter portion 331b all increases counterclockwise gradually along the outer circumference surface of cam;
First switch 22 of the present embodiment is a kind of push switch, and namely press the first feeler lever 221 and make the first switch commutation conducting, after removing pressing, the first feeler lever 221 sets back and makes the first switch 22 forward conduction.When touch structure is initial condition, the first switch 22 is in forward conduction state, and the first feeler lever 221 of the first switch 22 aims at isometrical portion 331a, does not contact with cam 33, and now cam 33 does not produce active force to the first feeler lever 221 of the first switch 22; Need to make the first switch 22 commutate conducting time, rotate clockwise knob 31, thus cam 33 is rotated clockwise, make varying diameter portion 331b gradually near the first feeler lever 221 of the first switch 22, and contact with the first feeler lever 221 of the first switch 22, because the radius of varying diameter portion 331b increases gradually, varying diameter portion 331b presses the first feeler lever 221 gradually, first feeler lever 221 is pressed into gradually in the first switch 22 body, when trigger end 331c touches the first feeler lever 221 of the first switch 22, the first feeler lever 221 is fully pressed and the first switch 22 is commutated conducting; When needs first switch 22 recovers forward conduction, then rotate counterclockwise knob 31, cam 33 is also rotated counterclockwise, trigger end 331c departs from the contact with the first feeler lever 221 of the first switch 22, then varying diameter portion 331b decontrols the pressing of the first feeler lever 221 to the first switch 22 gradually, when final cam 33 rotates and aims at the first feeler lever 221 to isometrical portion 331a, the first feeler lever 221 returns to initial condition, and the first switch 22 recovers forward conduction; When first switch 22 is forward conduction state, the common port contact C of the first switch 22,
respectively with normal-closed end contact D,
connect, when the first switch 22 is for commutation conducting state, the common port contact C of the first switch and
respectively with Chang Kaiduan contact E and
connect; It is to be noted, if the first switch 22 is a kind of tumbler switch, namely stir the first feeler lever 221 and make the first switch commutation conducting, releasing stir after the first feeler lever 221 set back and make the first switch forward conducting, now, need the trigger architecture on cam 33 to change, such as shapingly stir projection to stir the first feeler lever 221;
Button control mechanism, for controlling the conducting state of second switch 21, comprise, button 41, locking bar 43, depression bar 46, back-moving spring 47 and stretching structure, during button press 41, locking bar 43 action, the feeler lever 211 that locking bar 43 drives stretching structure to touch second switch 21 makes second switch 21 change open and-shut mode.
Described button 41, as shown in figure 18, comprise, columniform button cylinder 410, button cylinder 410 has the button end face directly bearing external force and press as finger presses, axis direction along button cylinder 410 forms outward extending column bossy body 411, described button cylinder 410 to be arranged in knob in cylinder 311, the bottom surface opening of column bossy body 411, and inner formation cross section is square adapted space, and, the inwall of column bossy body 411 also forms the buckle 413 of protrusion, on the sidewall of the bottom surface of column bossy body 411, offer the button groove 412 extended to upper bottom surface direction from the bottom surface of column bossy body 411 simultaneously.
Described locking bar 43, as shown in Figure 7, comprise, locking bar body 434, be symmetricly set on a pair muscle 431 on locking bar body 434 outer wall, be molded over locking bar body 434 lower end and the dividing plate 432 vertical with locking bar body 434 axis, rotation space 433 is formed between described dividing plate 432 and the bottom of muscle 431, the top of locking bar body 434 has square department, and at top the shaping draw-in groove 436 coordinated with buckle 413, the bottom of locking bar body 434 has square locking bar connecting portion 435, locking bar connecting portion 435 is inserted in the square opening and prism 441 at push rod 44 top hereafter, thus locking bar 43 and push rod 44 are linked together.
During installation, the square adapted space of button 41 coordinates with the square department of locking bar 43, and the buckle 413 of button 41 coordinates with the draw-in groove 436 of locking bar 43, makes locking bar 43 and the axial location of button 41 keep fixing, and prevents from relatively rotating between locking bar 43 and button 41; And the sidewall of button groove 412 column bossy body 411 when ensure that locking bar 43 inserts has certain elasticity, facilitates locking bar 43 to load.Further, one end relative with square department of locking bar 43 is inserted in rotating shaft 32; Described stretching structure is positioned at rotating shaft 32, and coordinates with locking bar 43, and depression bar 46 extend in installing space and coordinates with lockwheel 45, and back-moving spring 47 is set on depression bar 46.During button press 41, button 41 drives locking bar 43 to move downward, locking bar 43 drives stretching structure, depression bar 46 is made to overcome the elastic force of back-moving spring 47 along the moved beneath shown in Fig. 4, thus the second feeler lever 211 of contact second switch 21, second switch 21 is closed, namely the second feeler lever 211 is pressed against second switch 21 inside, or make depression bar 46 along the upper direction shown in Fig. 4 under the effect of the reset force of back-moving spring 47, thus depart from the contact with the second feeler lever 211, second switch 21 disconnects; Particularly, the initial condition of button control mechanism is: second switch 21 disconnects, button 41 is in the state of upspringing, when needing second switch 21 to connect, apply external force to be pressed by button 41, stretching structure makes depression bar 46 move downward, after button 41 pressing puts in place, depression bar 46 cannot resilience by stretching structure locking, and depression bar 46 presses the first feeler lever 221 makes second switch 21 connect circuit (closing); Again during button press 41, move upward at the effect down-pressed pole 46 of stretching structure, finally, depression bar 46 restPoses and loses the pressing of the feeler lever to second switch 21, and button 41 recovers state of upspringing, and second switch 21 recovers to disconnect.
Described stretching structure, as shown in Fig. 3,4,5, comprise, lock 42, the center of lock 42 has the installation through hole running through whole lock 42 vertically, via bottoms being installed and having mounted cover bottom 48, along forming axial groove 425 vertically on the inwall of lock 42, between two axial grooves 425, forming 2 internal tooths 426, described lock 42 is stretched out on the top of push rod 44, further, on the outer wall of bottom, form the push rod projection 442 being positioned at axial groove 425, the bottom of push rod 44 forms some lower tooths 443; The top of lockwheel 45 extend into push rod 44 inside, and corresponding lower tooth 451 forms some protrusion lockwheel projections 453 on the outer wall of bottom; Lockwheel 45 inside is stretched on the top of depression bar 46 and bottom passes from the bottom through hole 481 be arranged on bottom 48, and back-moving spring 47 is set on depression bar 46, and applies the power towards lockwheel 45 direction to depression bar 46 all the time; Pressing push rod 44, push rod projection 442 and lockwheel projection 453 axially groove 425 move towards depression bar 46 direction, promote push rod 44 and stretch out lock 42, when lockwheel projection 453 departs from axial groove 425, under the guide effect of internal tooth 426, lockwheel 45 is rotated and is resisted against on first internal tooth 426 by lockwheel projection 453, makes depression bar 46 keep stretching out state; Again press push rod 44, under the guide effect of internal tooth 426, lockwheel projection 453 crosses second internal tooth 426, enters in next axial groove 425, lockwheel projection 453 lose against, and depression bar 46 is bounced back.
For being rotationally connected between push rod 44 and lockwheel 45, lockwheel 45 can rotate relative to push rod 44, particularly, the connected mode between push rod 44 and lockwheel 45 is: the bottom of push rod 44 forms push rod circular hole 444, and lockwheel 45 has the cylindrical lockwheel body 452 that top extend into push rod circular hole 444; For being rotationally connected between lockwheel 45 and depression bar 46, depression bar 46 is fixing and do not rotate with lockwheel 45, and particularly, lockwheel 45 bottom forms lockwheel circular hole 454, depression bar 46 top has round boss 462 and circular frustum 465, and circular frustum 465 extend in lockwheel circular hole 454; Cylindrical bump 464 is formed below the round boss 462 of depression bar 46, inwall and the bottom 48 of this radial protuberance 464 and lock 42 coordinate the space being formed and hold back-moving spring 47, back-moving spring 47 one end is resisted against on radial protuberance 464, and the other end is resisted against on bottom 48;
The top of depression bar 46 forms cylindrical bump 464, the cylinder 462 that diameter is less than cylindrical bump 464 is formed above cylindrical bump 464, form the circular frustum 465 that maximum gauge is not more than cylinder 462 above cylinder 462, the bottom of lockwheel 45 forms the cylindrical hole coordinated with circular frustum 465.
The top of depression bar 46 is arranged cylindrical bump 464, cylinder 462, circular frustum 465 form stair-stepping structure, when ensureing that depression bar 46 is installed to below lockwheel 45, depression bar 46 aims at conllinear mutually with lockwheel 45 axis, improves the accuracy of depression bar 46 position.
The bottom of depression bar 46 forms two symmetrical inclined-planes 463.The contact site of depression bar 46 and the second feeler lever 211 is inclined-plane 463.
Touched by the feeler lever of inclined-plane 463 to two second switches 21 in below, make depression bar 46 both sides all be subject to the effect of power, make the stressed maintenance balance of depression bar 46, prevent depression bar 46 from making because one direction is stressed position loosen.
Lock 42 has columnar lock cylindrical shell 421 and the lock base 422 vertical with lock cylindrical shell 421 axis being arranged on lock cylindrical shell 421 bottom, the reducer that the external diameter that described lock cylindrical shell 421 has cross section increases from the top of lock cylindrical shell 421 gradually towards direction, bottom and be positioned at constant isometrical section of the external diameter of the cross section bottom reducer, the external diameter of described isometrical section is not less than the external diameter of reducer.
Lock 42 is arranged to cone-shaped, and when lock 42 can be made to be socketed in rotating shaft 32, the friction area between lock 42 and rotating shaft 32 inwall reduces, and then reduces friction.
The shape of cross section of bottom through hole 481 comprises, and has the rectangular through-hole identical with the shape of cross section of depression bar body 461, and four of rectangular through-hole sides all cave inward formed not with the depressed part of depression bar body 461 surface contact.
The centre position of lock base 422 is upwards recessed to form the base holding tank for holding bottom 48, button hole 424 is formed in base holding tank, bottom 48 forms the bottom buckle 482 perpendicular to bottom plane, bottom buckle 482 snaps onto in button hole 424 and bottom 48 is fixed on lock base 422.
Push rod 44, lockwheel 45, depression bar 46 and back-moving spring 47 are all load from lock 42, are buckled on lock 42 by bottom 48 after installation again, thus push rod 44, lockwheel 45, depression bar 46 and back-moving spring 47 are fixed in lock 42.Being provided with bottom buckle 482 and button hole 424, facilitating the loading of push rod 44, lockwheel 45, depression bar 46 and back-moving spring 47, when needing repairing replacing, being also easy to open lock 42.
The end face of lock base 422 is also provided with the annulus projection 423 of annular, and the central shaft of annulus projection 423 and the central shaft conllinear of lock cylindrical shell 421 are arranged.
Annulus projection 423 can when unit switch be pressed in mechanism's loading unit switch, can prevent rotating shaft 32 from directly contacting with the end face of lock base 422 and rubbing, annulus protruding 423 substitute lock base 422 end face and with other rotary components contact friction, significantly reduce friction area, improve the useful life that mechanism pressed by unit switch.
In order to the operating principle of stretching structure is described, as shown in Figure 19 a-19d, for upper tooth 443, internal tooth 426, the interaction diagram of lower tooth 451 and axial groove 425, situation when display be stretching structure is initial condition in Figure 19 a, now button 41 is in the state of upspringing, push rod projection 442 and lockwheel projection 453 lay respectively in axial groove 425, lockwheel projection 453 cannot rotate by the restriction of axial groove 425, when button 41 is pressed, locking bar 43 is driven to move downward, locking bar 43 promotes push rod 44 and moves downward, push rod 44 promotes lockwheel 45 and moves downward, thus lockwheel projection 453 is released axial groove 425, as shown in fig. 19b, now, upper tooth 443 forms coplanar inclined-plane with the flank of tooth of lower tooth 451 and the flank of tooth of close internal tooth 426, effect lockwheel projection 453 by back-moving spring 47 elastic force can slide along inclined-plane, lockwheel 45 entirety rotates, until lockwheel projection 453 drops in the teeth groove of internal tooth 426, as shown in Figure 19 c, restriction lockwheel 45 by teeth groove cannot rotate and move, lockwheel 45 completes certain displacement downwards compared with initial condition, this displacement ensure that the second feeler lever 211 of second switch 21 touched by depression bar 46 always, make second switch 21 conducting, after again pressing the button 41, lockwheel 45 is ejected teeth groove by push rod 44, as shown in Figure 19 d, upper tooth 443 and lockwheel projection 453 hackly surface and the flank of tooth of close internal tooth 426 form again coplanar inclined-plane, effect lockwheel projection 453 by back-moving spring 47 elastic force continues to slide along inclined-plane, lockwheel 45 entirety rotates, lockwheel projection 453 finally drops in axial groove 425, stretching structure restPoses, button 41 is upspring, the feeler lever 211 of second switch 21 no longer touched by depression bar 46, and second switch 21 recovers to disconnect.
Mutual interlocking gear, comprise, for when second switch 21 is in closure state, rotating shaft 32 is stoped to rotate to prevent the first switch 22 from converting the rotary locking structure of conducting state, and at the first switch 22 in conversion turn on process, what stop locking bar 43 to move downward to prevent second switch 21 from converting open and-shut mode presses latch-up structure.
The unit switch of the present embodiment, when rotary locking structure is set to make second switch 21 be in closure state, rotating shaft 32 is stoped to rotate to prevent the first switch 22 from converting conducting state, even if the first switch 22 becomes commutation conducting state from forward conduction state, or become forward conduction state from commutation conducting state, and setting presses latch-up structure when the first switch 22 is not in conducting state, locking bar 43 is stoped to move downward to prevent second switch 21 from converting open and-shut mode, can prevent people from carrying out misoperation to unit switch, the safety of electrical equipment can be ensured, simultaneously because latch-up structure make use of the rotating shaft 32 as rotation control mechanism part, with the locking bar 43 of button control mechanism section, take full advantage of the parts of unit switch, reduce the space of switch and make structure compacter.
Described rotary locking structure, as shown in Figure 7,8, comprise, be molded over the muscle 431 on locking bar body 434 outer wall symmetrically, be molded over the spacing hole 325b of rotating shaft 32 inside, knob 31 rotates to the first switch 22 when being in different conducting states, muscle 431 is just aimed at spacing hole 325b, after button 31 is pressed, drives locking bar 43 to move downward, thus make muscle 431 drop in spacing hole 325b, thus also just prevent rotating shaft 32 to rotate because locking bar 43 cannot rotate.Spacing hole 325b has two groups totally four, wherein two of conllinear is one group, during initial condition, button control mechanism and rotation control mechanism are all not operating, muscle 431 is aimed at group spacing hole 325b of wherein, after pressing the button 41, muscle 431 extend in spacing hole 325b, rotating shaft 32 is prevented to rotate, also namely rotation control mechanism cannot action to change the first switch 22 conducting state, when needing change first switch 22 conducting state, then need again button press 41 that button 41 is upspring, muscle 431 rises and leaves spacing hole 325b; After rotation knob 31 changes the first switch 22 conducting state, muscle 431 is organized spacing hole 325b with another and is aimed at, and now again can press the button 41, and muscle 431 extend in spacing hole 325b again, stops rotating shaft 32 to be rotated.The angle that when angle that two groups of spacing hole 325b are formed needs to change with the first switch 22 conducting state, rotating shaft 32 turns over is equal.
Describedly press latch-up structure, as shown in Figure 7,8, comprise, be molded over rotating shaft 32 inside along rotating shaft 32 cross section and cover except spacing hole 325b is with the catch 323 of exterior domain, described catch 323 center also forms the central through hole 325a passed for locking bar body 434, when described knob 31 rotate to described first switch 22 is between different conducting states time, described muscle 431 aims at described catch 323, and described catch 323 stops that described muscle 431 moves towards described rotating shaft 32 bottom.Catch 323 has covered rotating shaft 32 inside except spacing hole 325b is with exterior domain, muscle 431 is made to want to be made by the region at catch 323 place, can only pass through from spacing hole 325b, and muscle 431 and spacing hole 325b are on time, then mean that the first switch 22 is in conducting state (forward conduction or commutation conducting), and the first switch 22 is not when being in conducting state, catch 323 can stop that muscle 431 moves downward, and thus also just makes button control mechanism play a role.
The unit switch of the present embodiment, as shown in Figure 7, also form the dividing plate 432 vertical with described locking bar body 434 axis below the muscle 431 of described locking bar body 434, between described dividing plate 432 and the bottom of muscle 431, form the space 433 of rotating for catch 323.
Dividing plate 432 can control the distance that locking bar 43 moves upward, after button 41 is upspring, muscle 431 does the ascending motion of close button 41 relative to rotating shaft 32 together with locking bar 43, when dividing plate 432 touches catch 323, catch 323 just can stop locking bar 43 to continue motion, prevent the displacement of locking bar 43 excessive, restriction locking bar 43 and the relative position of rotating shaft 32, ensure the safe operation of mutual interlocking gear.
Particularly, mutual interlocking gear, comprise the catch 323 with lockhole 325 being molded over rotating shaft 32 inside, be molded over symmetrically locking bar body 434 both sides muscle 431 and be arranged on below muscle 431 with the dividing plate 432 of locking bar body 434 axes normal, between muscle 431 and dividing plate 432 at intervals, and this distance is a bit larger tham catch 323 thickness, lockhole 325 comprises the central through hole 325a at center and is positioned at 4 symmetrical spacing hole 325b of central through hole 325a surrounding, locking bar body 434 is arranged through central through hole 325a, muscle 431 can pass through spacing hole 325b, and when knob 31 rotates to forward conduction or commutation conducting, muscle 431 is aimed at spacing hole 325b, when mutual interlocking gear is in initial condition, button 41 is in the state of upspringing, and locking bar body 434 is through central through hole 325a and catch 323 and lockhole 325 are positioned at the below of muscle 431, the top of dividing plate 432, and this hour locking lever 43 can relatively rotate with rotating shaft 32, when connection second switch 21 pressed by button 41, locking bar 43 moves downward relative to rotating shaft 32, muscle 431 is inserted in spacing hole 325b, restriction locking bar 43 by spacing hole 325b cannot rotate, thus rotating shaft 32 also cannot be rotated, and knob 31 also cannot rotate, and makes knob controlling organization cannot action, therefore, under the situation of second switch 21 connection, cannot connect and breaking operation the first switch 22.Button press 41 again, locking bar 43 moves upward relative to rotating shaft 32, and muscle 431 leaves spacing hole 325b, and catch 323 is returned between muscle 431 and dividing plate 432, and locking bar 43 loses the inhibition of countershaft 32.And, under button 41 is in the state of upspringing, if when knob 31 does not rotate to the position of forward conduction or commutation conducting, namely knob 31 is not rotated in place, muscle 431 cannot aim at spacing hole 325b, and thus when button press 41, catch 323 stops muscle 431 and stops locking bar 43 to move downward, make button control mechanism cannot action, second switch 21 cannot be switched on.
The unit switch of the present embodiment, also comprise anti-rotation structure, comprise, the driven rotary by switching knob rotates be arranged in switch base 11 changes the cam 33 of conducting state for driving switch, the boss 332 of outstanding shaping annular on the cam 33 vertically, be molded over the gear groove 332a on boss 332 lateral wall, the cell wall of gear groove 332a is inclined-plane, by the gear button 34 that mounting structure arranges limit spring 35 in the enclosure and is resisted against on boss 332 lateral wall by limit spring 35 elastic force effect, gear groove 332a is corresponding trigger end 331c respectively; When switch is in conducting state, gear button 34 lays respectively in corresponding gear groove 332a, and limited spring 35 is resisted against on the lateral wall of boss 332, and is stopped by the cell wall of gear groove 332a and can not deviate from gear groove 332a easily.
When switch is in different conducting states, gear button 34 lays respectively in corresponding gear groove 332a, limited spring 35 is resisted against on the lateral wall of boss 332 under acting on, and stopped by the inclined-plane cell wall of gear groove 332a and gear groove 332a can not be deviate from, now, even if when knob 31 is touched by active force less unintentionally, gear button 34 also can not deviate from gear groove 332a, can only when adopting larger active force rotary manipulation knob, could deviate from from gear groove 332a, thus do not affect switch and switch between different conducting states, and the stability of conducting state can be kept out, avoid extraneous being not intended to interference and the change of state that causes, ensure switch and be connected to the safety of the electrical equipment on switch.And when commutation switch carries out in handoff procedure between conducting state, gear button 34 is deviate from and is entered in other gear groove 332a from the gear groove 332a at its initial place, when gear button 34 is when near gear groove 332a, gear button 34 slips in gear groove 332a along inclined-plane cell wall, thus can ensure that switch is in conducting state, when gear button 34 enters in other gear groove 332a, switch just completes the conversion of state.
Mounting structure comprises, fixed installation groove 112a inside the upper wall 112 being molded over switch base 11, mount cover and fixedly mounting the limited cover 36 on groove 112a to form the space of fixing limit spring 35 and gear button 34, and make limit spring mounting groove 112a have the notch 112b of opening towards cam 33, limit spring 35 is provided with in fixed installation groove 112a, gear button 34 has the butting section 342 on the matrix part 341 be arranged in fixed installation groove 112a and the lateral wall being directly resisted against boss 332 protruding from fixed installation groove 112a setting, limit spring 35 one end is resisted against on the inwall of switch base 11 sidewall, one end is resisted against the matrix part 341 of gear button 34, all the time apply towards the elastic force effect outside notch 112b to gear button 34 in limit spring 35, gear button 34 and boss 332 is made to keep close contact.
By arranging fixed installation groove 112a in switch base 11, for fixing limit spring 35 and gear button 34 provide installing space, fixing limit spring 35 is made to provide the active force towards cam 33 direction to gear button 34 all the time, and make this active force remain on along in the radial direction of cam 33, gear button 34 and boss 332 is made to keep close contact, thus ensure that cam 33 rotates to switch when being in conducting state, gear button 34 limit spring 35 that can be fixed is pressed in gear groove 332a, ensure that the stability of rotation-preventing mechanism effect.When gear button 34 needs to deviate from from gear groove 332a, cam 33 rotates and applies pressure compression limit spring 35 to gear button 34, and butting section 342 bounces back towards notch 112b direction gradually.
The width of the notch 112b of fixed installation groove 112a is less than the width of fixed installation groove 112a inside, gear button 34 has width and is greater than the width of notch 112b and is less than the matrix part 341 fixedly mounting groove 112a inner width, and butting section 342 width be molded on matrix part 341 is less than notch 112b.Butting section 342 width is less than notch 112b can pass notch 112b to make butting section 342, and the width of matrix part 341 is greater than the width of notch 112b, thus gear button 34 can be fixed in fixed installation groove 112a.
Block 113 reduces towards the direction of cam 33 gradually near the width of cam 33 end.To make block 113 top form wedge angle, block 113 is reduced with the contact area of cam 33, reduces the frictional force between block 113 and cam 33.
Fixed installation groove 112a forms for limited cover 36 being fixed on the clip 114 fixedly mounted on groove 112a along cell wall vertical direction.Clip 114 makes limited cover 36 be fixed on fixed installation groove 112a, facilitates the dismounting of limited cover 36.
The unit switch of the present embodiment, also comprise the restriction rotational structure preventing cam 33 from excessively rotating, restriction rotational structure, comprise, be molded over the boss projection 333 axially of boss 332, be molded over the block 113 on the inwall of the upper bottom surface 112 of switch base 11, boss projection 333 is equal to the distance of switch base 11 axis with block 113 to the distance of cam 33 axis, when cam 33 turns to and is greater than change switch-turn-ON states trigger angle, cannot be rotated further by the stop of block 113.
Boss 332 arranges boss projection 333; the inwall of switch base 11 arranges block 113; boss projection 333 rotates along with cam 33; when cam 33 turn to be greater than change switch-turn-ON states trigger angle time; boss projection 333 will touch block 113; and prevent cam 33 inordinate rotation, the safety of further protection switch.
The unit switch of the present embodiment, the input A of two second switches 21,
respectively with two inlet wire cable X,
electrical connection, the output B of two second switches 21,
respectively with the public input C of two the first switches,
electrical connection, the normally closed output D of two the first switches,
with often open output E,
interconnection and respectively with two outlet cable Z,
electrical connection, i.e. the Chang Kaiduan contact of wherein normal-closed end contact D and second the first switch of first the first switch
electrical connection, simultaneously the normal-closed end contact of two the first switches
be electrically connected with the Chang Kaiduan contact E of first switch, circuit theory diagrams as shown in Figure 1, outlet cable Z,
be connected with the direct current machine of household electrical appliance.Work as making current, closed second switch 22, when making the first switch 21 be in forward conduction, the circulation order of electric current is X-A-B-C-D-Z-direct current machine
when first switch 21 is in commutation conducting, the circulation order of electric current is then
direct current machine
this unit switch changes the conducting state of the first switch 21 by operation knob 31 in sum, thus change the sense of current entering direct current machine, direct current machine can be switched between forward and reverse, action button 41 then can realize the control to whole connecting and disconnecting of the circuit, realizes the control starting direct current machine and stop.What deserves to be explained is, this is a kind of circuit ON method of the present embodiment unit switch.
The unit switch of the present embodiment, described second feeler lever 211 of two second switches 21 is distributed in the both sides of depression bar 46, and the contact-making surface that described second feeler lever 211 and depression bar 46 contact with each other is inclined-plane.
When depression bar 46 moves downward, by inclined-plane transmitting forces, by moulded rod 46, because described second feeler lever 211 is distributed in the both sides of depression bar 46, thus when depression bar 46 applies active force to the second feeler lever 211, the reaction force of the second feeler lever 211 pairs of depression bars 46 is just cancelled out each other, depression bar 46 stress balance, ensures that depression bar 46 position can not offset.
It should be noted that, first switch 22 and second switch 21 can be arranged to the switch of other form completely, such as toggle switch can be arranged to, by stirring the first feeler lever 221 and the second feeler lever 211 changes the first switch 22 conducting state and second switch 21 open and-shut mode, only need corresponding knob controlling organization and button control mechanism to change into stir trigger architecture accordingly.And the quantity of the first switch 22 and second switch 21 also can be one or more, such as, the control that multiple second switch 21 can realize multiple electric elements is set.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also 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 of the invention.
Claims (10)
1. a unit switch, comprises,
Shell, inner formation installing space;
First switch (22), is arranged in installing space, has different conducting states, comprises the first feeler lever (221) for changing the first switch (22) conducting state;
Second switch (21), is arranged in installing space, has different open and-shut modes, comprises the second feeler lever (211) for changing second switch (21) open and-shut mode;
It is characterized in that, also comprise,
Knob controlling organization, for controlling the conducting state of the first switch (22), comprise, knob (31), extend in installing space and to link the rotating shaft (32) arranged with knob (31), and cam (33), drive touch structure to touch the first feeler lever (221) when cam (33) rotates and make the first switch (22) change conducting state;
Button control mechanism, for controlling the open and-shut mode of second switch (21), comprise, be socketed in the button (41) in the installation through hole of knob (31), the locking bar (43) of the installation through hole that one end is fixedly connected with button (41), the other end is positioned at rotating shaft (32), the stretching structure be connected with locking bar (43), button press (41) hour locking lever (43) drives stretching structure to touch the second feeler lever (211) and makes second switch (21) change open and-shut mode; And
Mutual interlocking gear, comprise, for when second switch (21) is in closure state, rotating shaft (32) is stoped to rotate with the rotary locking structure preventing the first switch (22) from converting conducting state, and be between different conducting states at the first switch (22), what stop locking bar (43) to move downward to prevent second switch (21) from converting open and-shut mode presses latch-up structure.
2. unit switch according to claim 1, it is characterized in that, described rotary locking structure, comprise, be molded over the muscle (431) on locking bar (43) outer wall, be molded over the spacing hole (325b) that rotating shaft (32) is inner, described muscle (431) has the free rotation state be positioned on spacing hole (325b), and to extend under button (41) pressing effect in spacing hole (325b) and to stop the rotation locking state that rotating shaft (32) is rotated.
3. unit switch according to claim 1 and 2, it is characterized in that, describedly press latch-up structure, comprise, be molded over rotating shaft (32) inside along rotating shaft (32) cross section and cover except spacing hole (325b) is with the catch of exterior domain (323), and be molded over the central through hole (325a) at described catch (323) center, described muscle (431) have stagger with described catch (323) freely press state, and aim at described catch (323) under the drive of described knob (31) turning effort press lock-out state, when described muscle (431) is in and presses lock-out state, stopped by described catch (323) and can not move towards the bottom of described rotating shaft (32), and described first switch (22) is between different conducting states.
4. unit switch according to claim 3, it is characterized in that, described locking bar (43) comprises the locking bar body (434) of column, described muscle (431) is a pair, and be symmetricly set on the outer wall of locking bar body (434), described muscle (431) below also forms the dividing plate (432) vertical with described locking bar body (434) axis, rotation space (433) is formed between described dividing plate (432) and muscle (431) bottom surface, described rotation space (433) circumferentially has side opening, described catch (323) is socketed in locking bar body (434) and goes up and be positioned at described rotation space (433), when locking bar (43) is in resilience state, described catch (323) is positioned at rotation space (433).
5. the unit switch according to any one of claim 1-4, it is characterized in that, described first switch (22) is two reversing switches, each reversing switch all has a public input, often opens output and normally closed output, pressing and remove pressing first feeler lever (221) two reversing switches can be made simultaneously to convert at public input and often opening between the forward conduction of output electric connection and the commutation conducting of public input and normally closed output electric connection.
6. the unit switch according to any one of claim 1-4, it is characterized in that, described second switch (21) is two on-off switches, each on-off switch all has an input and output, pressing and remove pressing second feeler lever (211) two on-off switches can be made simultaneously to be communicated with output at input or to convert between the open and-shut mode that disconnects.
7. unit switch according to claim 6, is characterized in that, the input of two second switches (21) (A,
) respectively with two inlet wire cables (X,
) electrical connection, the output of two second switches (21) (B,
) respectively with the public input of two the first switches (C,
) electrical connection, the normally closed output of two the first switches (D,
) with often to open output (E,
) interconnection and respectively with two outlet cable (Z,
) electrical connection.
8. the unit switch according to any one of claim 1-7, it is characterized in that, also comprise anti-rotation structure, described anti-rotation structure comprises, the boss (332) of the outstanding annular be molded on described cam (33) vertically, be molded over the gear groove (332a) on described boss (332) lateral wall, the cell wall of described gear groove (332a) is inclined-plane, by the gear button (34) that mounting structure arranges limit spring (35) in the enclosure and is resisted against on boss (332) lateral wall by limit spring (35) elastic force effect, gear groove (332a) is corresponding trigger end (331c) respectively, when switch is in conducting state, gear button (34) lays respectively in corresponding gear groove (332a), limited spring (35) is resisted against on the lateral wall of boss (332), and is stopped by the cell wall of gear groove (332a) and can not deviate from gear groove (332a) easily.
9. unit switch according to claim 8, it is characterized in that, described mounting structure comprises, be molded over the fixed installation groove (112a) of upper wall (112) inner side of pedestal (11), mount cover and fixedly mounting the limited cover (36) on groove (112a) to form the space of fixing limit spring (35) and gear button (34), and make limit spring mounting groove (112a) have the notch (112b) of opening towards cam (33), limit spring (35) is provided with in fixed installation groove (112a), gear button (34) has the matrix part (341) that is arranged in fixed installation groove (112a) and protrudes from the butting section (342) fixedly mounted on the lateral wall being directly resisted against boss (332) that groove (112a) arranges, limit spring (35) one end is resisted against on the inwall of pedestal (11) sidewall, one end is resisted against the matrix part (341) of gear button (34), all the time apply towards the outer elastic force effect of notch (112b) to gear button (34) in limit spring (35), gear button (34) and boss (332) is made to keep close contact.
10. unit switch according to claim 9, it is characterized in that, also comprise the restriction rotating mechanism preventing cam (33) from excessively rotating, described restriction rotating mechanism, comprise, be molded over the boss projection (333) axially of boss 332, be molded over the block (113) on the inwall of the upper bottom surface (112) of described pedestal (11), cam (33) turns to and is greater than when changing switch-turn-ON states trigger angle, the stop boss projection (333) of block (113) and cam (33) cannot be rotated further.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212615.5A CN104795290B (en) | 2015-04-29 | 2015-04-29 | A kind of stacked switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212615.5A CN104795290B (en) | 2015-04-29 | 2015-04-29 | A kind of stacked switch |
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| Publication Number | Publication Date |
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| CN104795290A true CN104795290A (en) | 2015-07-22 |
| CN104795290B CN104795290B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510212615.5A Active CN104795290B (en) | 2015-04-29 | 2015-04-29 | A kind of stacked switch |
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| CN109833004A (en) * | 2019-03-26 | 2019-06-04 | 杭州成威物业管理有限公司 | A kind of intelligence environmental sanitation cleaning device dust collection power automatic transfer equipment and its control system |
| CN109922913A (en) * | 2016-11-11 | 2019-06-21 | 株式会社牧田 | Desk-top cutter device |
| CN111391945A (en) * | 2018-12-25 | 2020-07-10 | 本田制锁有限公司 | Locking device for handlebar |
| CN113968317A (en) * | 2021-10-28 | 2022-01-25 | 刘未来 | Ship maintenance positioning and fixing device |
| CN114600214A (en) * | 2019-09-05 | 2022-06-07 | 伊顿智能动力有限公司 | Semi-independent isolating switch |
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Denomination of invention: A combination switch Effective date of registration: 20220615 Granted publication date: 20170919 Pledgee: Industrial and Commercial Bank of China Limited Yueqing sub branch Pledgor: ZHEJIANG ZHONGXUN ELECTRONICS Co.,Ltd. Registration number: Y2022330000977 |
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