CN1039609C - Switch device - Google Patents
Switch device Download PDFInfo
- Publication number
- CN1039609C CN1039609C CN96120162A CN96120162A CN1039609C CN 1039609 C CN1039609 C CN 1039609C CN 96120162 A CN96120162 A CN 96120162A CN 96120162 A CN96120162 A CN 96120162A CN 1039609 C CN1039609 C CN 1039609C
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- China
- Prior art keywords
- conductor piece
- box body
- sliding part
- movable contact
- contact
- 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.)
- Expired - Fee Related
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/045—Energy stored by deformation of elastic members making use of cooperating spring loaded wedging or camming parts between operating member and contact structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
- H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
Abstract
The movable contact (23a) can be brought into contact with a separated from the fixed contact (21a). The fixed terminal (21) and a central terminal (22) are located in a housing (11), in which is movably fitted a slider (13) for swivelling the circuit board (23) for contacting, or separating the movable and fixed contacts. On the circuit board, near its swivel axis, is fitted a torsion coil spring (24), and a change-over control region (11h) is provided in the housing and held in pressure contact with an outer peripheral face of one turn section (24a) of the coil spring for selecting and maintaining reversibly the circuit board ON and OFF state.
Description
The present invention relates to a kind of switching device that is provided with fixed juncture and movable contact, by depressing a sliding part, fixed, movable contact contacts with each other, and by the reverse operating of a spring part, it is disconnected from each other again to decide movable contact.
A kind ofly be widely used in power switch etc. by pushing the switching device that a sliding part makes switch connection and disconnection, Japanese Utility Model No.Hei 4-55388 discloses this switching device, and its applicant is exactly the present patent application people.
The switching device of 16,17,18 pairs of the prior art is done an explanation in conjunction with the accompanying drawings now.Figure 16 is the decomposition diagram of prior art switching device; Figure 17 is the vertical sectional view of switching device shown in Figure 16 under its disconnection; Figure 18 is the vertical sectional view of switching device shown in Figure 16 under its connection situation.
Switching device mainly is made of following elements:
One has the box body 1 of upper shed;
One center tap 3, it is fixed on the bottom of box body 1 near deciding joint 2 places;
One conductor piece 4, it cooperates with center tap 3 by supporting slice 5, and it has a movable contact 4a, and this movable contact 4a is relative with fixed juncture, makes to be switched on or switched off with fixed juncture 2a;
A slice spring 6, it can be stretched can be bent so that can impose actuating force to prerotation vane 4, makes conductor piece along the movement in vertical direction with respect to box body 1 bottom surface;
One sliding part 7, it makes and can slide on box body 1, so that vertically operate conductor piece 4;
One cover piece 8, it can be retained on sliding part 7 in the box body 1 slidably.
Deciding joint 2 has a fixed juncture 2a to be connected end 2b with one, and fixed juncture 2a is relative with movable contact 4a on the position, makes under the connection situation to contact with fixed juncture 4a, connects end 2b and then is fixed on the bottom of box body 1, and protrude from box body 1.
Center tap 3 has one to connect end 3a, lug boss 3b and 3c, an and carrier 3d, connect end 3a and be fixed on box body 1 bottom, and protrude from box body 1, and lug boss 3b and 3c cooperate with supporting slice 5 and sheet spring 6 respectively, and carrier 3d then is used for holding conductor piece 4, just push the direction of sliding part 7 and say that it is positioned at the back of lug boss 3b.Lug boss 3b has a V-type recess 3e, and this recess 3e cooperates with the back auxiliary section 5a of supporting slice 5, and lug boss 3c has a V-arrangement recess 3f, and this recess cooperates with the auxiliary section 6e of sheet spring 6.Carrier 3d has one and keeps out of the way groove 3g, and this is kept out of the way groove and prevents that the end top of sheet spring 6 from bumping carrier.
Supporting slice 5 has a back auxiliary section 5a, one middle opening 5b and preceding auxiliary section 5c, the former 5a cooperates with the V-arrangement recess 3e of lug boss 3b, and middle person 5b cooperates with lug boss 3b and 3c loosely, latter 5c then has a secondary stepped groove, and this groove cooperates with the mating edge 4c of conductor piece 4.Back auxiliary section 5a forms two lug boss 5d on its opposed side edges.
The configuration of sheet spring 6 is V-arrangement substantially.Sheet spring 6 is provided with the auxiliary section 6a that cooperates with the V-arrangement recess 3f of center tap 3 at the one end, is provided with a 6b of fitting projection portion that matches with the mating edge 4d of conductor piece 4 at its other end, and lug boss 6b is bearing in mating edge 4d and goes up also and can rotate thereon.In addition, in auxiliary section 6a one side, also be provided with a 6c of operating projection portion near V-arrangement sheet spring 6 tops places, the drive groove 7g of it and sliding part 7 works in coordination, and drives conductor piece 4 by the reciprocating motion of sliding part 7.
Sliding part 7 is slidably mounted in the box body 1.Be provided with side lug boss 7a in the rear end of sliding part 7, they are bearing on the slide rail 1a, and slide thereon, and slide rail 1a is located at the upper end of box body 1 rear portion two opposite side walls.Sliding part 7 has an elongated hole 7c, this elongated hole 7c cooperates with the end of tongue pin 7b loosely, also be provided with a heart-shaped cam path 7d at the sliding part upper surface, this protruding loose groove cooperates with the other end of tongue pin 7b loosely, and sliding part 7 also has an operating portion 7e who protrudes forward and from the downward 7f of operating projection portion that protrudes of rear portion lower surface.The lower surface of the 7f of operating projection portion is provided with driver slot 7g, the 6c of operating projection portion of this driver slot and sheet spring 6 works in coordination, so, just can drive the motion of sheet spring in addition by the reciprocating motion of sliding part, the lower surface of operating portion 7e is provided with a groove 7h and is used for installing compression spring 7i.
As shown in figure 17, conductor piece 4 is pressed under the lower surface of sliding part 7 slightly, thereby it is limited on the basic position parallel with box body 1 lower surface.A upward force that acts on conductor piece 4 front portions makes the movable contact 4a of conductor piece 4 separate with the fixed juncture of deciding joint 2.
When direction pushing from the state of above-mentioned disconnection along arrow B shown in Figure 17 of the operating portion 7e of sliding part 7, the 6c of operating projection portion of the sheet spring 6 that matches with the driver slot 7g of sliding part 7 just rotates along clockwise direction, as can see from Figure 17.Therefore correspondingly, sheet spring 6 also just clockwise rotates around the V-arrangement recess 3f of center tap 3.Consequently, conductor piece 4 clockwise rotates around the front end of conductor piece 4 and the contact point between sliding part 7 lower surfaces.At utmost reach one when reversing when sheet spring 6 is compressed to, conductor piece 4 makes movable contact 4a contact with the fixed juncture 2a that decides joint 2 naturally, and is locked on the contact position, thereby a circuit is connected, as shown in figure 18.At this moment, conductor piece 4 remains between the carrier 3d of the fixed juncture 2a that decides joint 2 and center tap 3, and sliding part 7 is also because the effect of the tongue pin 7b that matches with cam path 7d is locked.
When the operating portion 7e of sliding part 7 from this lock-out state further when direction shown in the arrow B pushes inward, tongue pin 7b gets loose from cam path 7d, so sliding part 7 reverses along arrow A direction shown in Figure 180 under the effect of compression spring 7i.In sliding part 7 reversed stroke, the vertical plane of the driver slot 7g that is positioned at the right side from Figure 18 contacted with the 6c of operating projection portion of sheet spring 6, thereby the sheet spring is rotated along clockwise direction.The vertical plane of the driver slot 7g of sliding part 7 ceaselessly makes sheet spring 6 rotate along clockwise direction, until get back to the home position.Correspondingly, conductor piece 4 is a little got back to position shown in Figure 17 also from position shown in Figure 180 by reversing of sheet spring 6.Consequently, movable contact 4a separates with fixed juncture 2a, from and get back to off-state.
In the aforesaid operations mode, the driving of conductor piece 4 is that the driver slot 7g by sliding part 7 directly presses or pulling-on piece spring 6 is realized.Therefore, the pushing force that acts on the sliding part just can be delivered on the conductor piece 4, can the be big or small constant transmission of this power in the past or can transmit over enlargedly, this has just improved operability.
When the movable contact 4a of the above-mentioned prior art switching device of rotatably support, supporting slice 5 is mounted on the opening 4b of conductor piece 4, the mode of installing makes the groove at 5c place, supporting slice 5 preceding auxiliary section cooperate with the mating edge 4c of conductor piece 4, and the lug boss 5d of supporting slice 5 then cooperates with the mating edge 4d of conductor piece 4.Then, the 6b of fitting projection portion of sheet spring 6 cooperates with the mating edge 4d of conductor piece 4, the auxiliary section 6a of sheet spring 6 then contacts with the inner surface of the supporting slice 5 that is positioned at movable contact 4a side, so, conductor piece 4, supporting slice 5 and sheet spring 6 threes form a kind of like this integral body, and promptly wherein the elastic force of sheet spring 6 acts on conductor piece 4 and the supporting slice 5 anti-phasely.The assembly of these three elements is installed on the center tap 3 subsequently.The structure of the mechanism of this supporting movable contact 4a is complicated, and requires quite high technical ability to assemble this supporting device.In addition, the vibration of the center tap that is produced when following movable contact 4a to rotate for elimination, supporting slice 5 is key elements, therefore is difficult to do switching device very compact.
Therefore the purpose of this invention is to provide a kind of switching device, the whole in vertical direction thickness of its energy switching device, thus make it have cramped construction.In addition, the supporting device of supporting movable contact structurally can be made very simply, and is therefore also just easily convenient in assembling.
Switching device of the present invention includes:
The joint of deciding with fixed juncture;
A conductor piece that has movable contact in the one end, movable contact make and can contact with above-mentioned fixed juncture or throw off;
One is equipped with the box body of deciding joint and center tap;
A sliding part is installed in the box body its slidingtype, and makes by its slip conductor piece is pivoted, thereby the movable contact of conductor piece can or be separated with the fixed juncture contact of deciding joint;
One helical torsion spring, it is installed on the conductor piece pivot place near conductor piece;
A steering cam portion, it is installed in the box body, and keeps contacting with the outer peripheral face of helical torsion spring spiral part at pressure, thereby selects conductor piece to be in convertiblely, and remains on on-state or off-state.
Best, on the sliding part glide direction, settle a plurality of conductor pieces with movable contact, these movable contacts contact with fixed juncture by the slip of sliding part or separate.
When the pushing sliding part slided it in box body, conductor piece flatly rotated around a lug boss that is provided with on sliding part, thereby drove the movable contact of conductor piece, it was contacted, so device is in on-state with fixed juncture.On the contrary, when sliding in opposite direction when the sliding part pushing, conductor piece is driven and is rotated in opposite direction by the lug boss of sliding part, thereby drives the movable contact of conductor piece, it is separated, so device is in off-state with fixed juncture.Like this, the operation of the on/off of switch just can realize by horizontally rotating of conductor piece.The whole thickness of this switching device on its vertical direction just can reduce, and the supporting device of movable contact structurally can be simplified.In addition, the assembling of switching device becomes easy.
In conjunction with accompanying drawing of the present invention most preferred embodiment of the present invention is described further now.
Fig. 1 is the decomposition diagram of switching device first most preferred embodiment of the present invention;
Fig. 2 is the horizontal cross of switching device when being in off-state;
Fig. 3 is the vertical sectional view of switching device when being in off-state;
Fig. 4 is the horizontal cross of switching device when being in on-state;
Fig. 5 expresses center tap in the switching device, concerns between conductor piece and the resetting cam surface;
Fig. 6 and Fig. 7 are respectively the vertical view and the vertical sectional view of switching device box body;
Fig. 8 and Fig. 9 are respectively the upward view and the vertical sectional view of switching device sliding part;
Figure 10 and Figure 11 are respectively the vertical view and the front view of switching device conductor piece;
Figure 12 A and Figure 12 B are respectively the vertical view and the front views of switching device center tap;
Figure 13 A and Figure 13 B are respectively front view and the right side views that switching device is decided joint;
Figure 14 is the horizontal cross of the switching device second most preferred embodiment major part of the present invention;
Figure 15 is the perspective view of center tap shown in Figure 14;
Figure 16 is the decomposition diagram of prior art switching device;
Vertical sectional view when Figure 17 is in off-state for switching device shown in Figure 16;
Vertical sectional view when Figure 18 is in on-state for switching device shown in Figure 16.
Switching device mainly is made of following elements:
Two groups of contact mechanisms that are installed in the box body 11;
A sliding part 13, it slidably is installed in the box body 11, is used for operating contact mechanism 12;
A cover piece 14, it is installed in box body 11 upper ends, so that sliding part 13 is covered.
Two set of contact mechanisms 12 are identical in configuration and operation, so only to explaining one of in two groups of mechanisms 12.For another set of contact mechanism that does not explain, it is marked with identical reference number with explaining one group of components identical, and it is no longer elaborated.
As Fig. 2,3, shown in 13A and the 13B, decide joint 21 and be provided with a fixed juncture 21a at the place, an end of one side, decide joint 21 and to also have a connection end 21b, it passes the bottom 11a of box body 11, and protrudes from box body 11.
Shown in Fig. 2,3,12A and 12B, center tap 22 has one to connect an end 22a and a side lug boss 22b, and the former passes the bottom 11a of box body 11, and protrudes from box body, and the latter is used for supporting the rotating part of conductor piece 23 from a lateral edges projection of center tap 22.
As Fig. 2,3,10 and 11, conductor piece 23 has a front surface 23b and a pair of top and the bottom 23c, and the former is relative with the rear surface of deciding joint, and the latter is by crooked in the middle and relative to each other with the opposed side edge of front surface 23b.Movable contact 23a is arranged on the place, an end of upper surface 23b.The position of movable contact is relative with fixed juncture 21a on deciding joint 21, and can contact with fixed juncture 21a when switching device is in on-state.23c position in thereafter in upper and lower part all is provided with a V-arrangement recess 23d, is used as the rotation section of conductor piece 23.That is to say that the recess 23d of conductor piece 23 cooperates with the side lug boss 22b of center tap 22 turnably, therefore conductor piece 23 is rotatably supported on the center tap 22, moving like this joint 23a just can with decide joint 21a and contact or separate.Front surface 23b position substantially therebetween is provided with an opening 23e.In other words, opening 23e is between the 23c of upper and lower part.The spire 24a of helical torsion spring 24 is exactly on the opening 23e that is installed under pressure between the 2e of upper and lower part.The recess of reference number 23f indication is to be used for cooperating with the cooperative end part 24b of helical torsion spring 24.
As illustrated in fig. 1 and 2, the spire 24a of helical torsion spring 24 forms between the two relative spiral end 24b, and its size can make among the opening 23e of its conductor piece 23 of packing into.In other words, spire 24a is compressed under the pressure effect that puts on both ends 24b, and among the opening 23e that packs into, spiral end 24b then cooperates with the recess 23f of conductor piece 23.The outer circumference surface of spire 24a is an Elastic Contact with the contacting of steering cam surface of box body 11 11e of wall portion.Be provided with a contact ridge 23g in the other end of conductor piece 23, it makes and can contact with 13c2 with the lug boss 13c1 of sliding part 13.
Sliding part 13 is made by insulating synthetic resin.As Fig. 2, shown in 3,8 and 9, sliding part 13 has a 13a of drawing strickle guide portion and an operating portion 13b, and the former is rectangular chamber shape, and bottom opening be slidably mounted in the box body 11, and the leading section of the latter and the 13a of drawing strickle guide portion fuses.
As mentioned above, the 13a of drawing strickle guide portion is a chamber shape portion that is made up of top plate portion and side wall portion.The side wall portion of the 13a of drawing strickle guide portion is provided with a pair of lug boss 13c1 and 13c2 in the one side, and this side is meant the side that the contact ridge 23g of conductor piece 23 will be positioned at.In other words, lug boss 13c1 should be provided with to such an extent that the ridge 23g that contacts of conductor piece 23 is fallen between with 13c2, and with they apart from one another by, in other words, by the slip of the 13a of drawing strickle guide portion in the box body 11, lug boss 13c1 and 13c2 will with contact ridge 23g contact.Operating portion 13b is provided with the space 13d of a upper and lower sides opening.The 11j of supporting convex portion of box body 11 just is housed among the 13d of this space, compression spring 13e also is housed among the 13d of this space, mounting means is such, and the set lug boss of the end of compression spring 13e and the preceding inner surface of space 13d cooperates, and its other end then cooperates with supporting convex 11j.Back inner surface (seeing it is right lateral surface from Fig. 9) at space 13d is provided with a cam path 13f, tongue pin 26 configuration that takes the shape of the letter U substantially, its two opposite ends portion be installed among the cam path 13f respectively and the hole 11i of the 11j of supporting convex portion in.
Shown in Fig. 2 and 4, an end of tongue pin 26 is inserted among the 11i of hole, and tongue pin 26 just is bearing among the 11i of hole like this, and can do to horizontally rotate.Then can slide in cam path 13f in the other end of tongue pin 26.Cam path 13f has one first inclined cam surface 13h, one second inclined cam surface 13i and a stopper protrusion 13j.When not having pushing force to act on the operating portion 13b, so operating portion protrudes forward under the elastic force effect of compression spring 13e, the other end of tongue pin then contacts with the first inclined cam surface 13h, thereby tongue pin 26 is remained on the position of slight inclination.When the anti-roof pressure of operating portion 13b contracts the elastic force of spring 13e when pushing backward, the other end of tongue pin 26 contacts with the second inclined cam surface 13i.When under tongue pin 26 other ends and the second inclined cam surface 13i state of contact, removing the pushing force that acts on the operating portion 13b, then at this moment compress spring 13e and produce a resilience force and act on the sliding part 13.Simultaneously, tongue pin 26 other ends contact with stopper protrusion 13j, thereby operating portion 13b is remained on its position that is urged.Like this, when the operating portion 13b that is in non-pushing position was urged, sliding part 13 was because compression spring 13e, the synergy of cam path 13f and tongue pin 26 and remain on it and be urged state.When being in the operating portion that is urged the position and being urged once more, the pushing state of sliding part 13 is eliminated, so under the resilience force effect of compression spring 13e and protrude from box body 11.
Cover piece 14 is to make with insulator-metal board.As shown in Figure 1 to Figure 3, cover piece 14 has a loam cake board 14a, two front leg portions 14b and a back auxiliary section 14c, the loam cake board entirely covers the upper shed of box body 11, and supports sliding part 13 slidably, thereby it is enclosed in the box body 11, between two front leg portions spacing is arranged, so that operating portion 13b can be protruded between two shanks, and contact with the inner surface of the anterior 11b of box body, back auxiliary section then cooperates with the upper end of box body 11 rear portion 11c.
The assembly method of above-mentioned switching device is described now.
When putting into said elements in the box body 11, the connection end 21b that decides joint 21 of each contact mechanism 12, pack into by the installing hole (not shown) with the end 22a that is connected of transition joint 22, installing hole is the through hole that is located at box body 11 bottom 11a, and the conductor piece 23 of being furnished with helical torsion spring 24 is installed then.In other words, the spire 24a of helical torsion spring 24 packs among the opening 23e of conductor piece 23, and two opposed ends of helical torsion spring 24 then insert among the recess 23f of conductor piece 23, so just helical torsion spring 24 are contained on the conductor piece 23.Then, the sub-assembly of conductor piece 23 and helical torsion spring 24 is packed into from upside, be contained in and decide between joint 21 and the center tap 22, the mode of packing into should be such, the outer circumference surface of helical torsion spring 24 spire 24a contacts with box body steering cam face 11h, and the recess 23d of conductor piece 23 then cooperates with the side lug boss 22b of center tap 22.
The 13a of drawing strickle guide portion of sliding part 13 is next from pack into the element of box body 11 of upside.In this state, the bossing 13c1 of the 13a of drawing strickle guide portion is arranged on and can cooperates part with the ridge 23g that contacts of conductor piece 23 with 13c2.Then, two opposite end portions of tongue pin 26 insert among the hole 11i of cam path 13f and supporting convex 11j, between 11j of supporting convex portion that compression spring 13e then is contained in 13d rear end, space and the preceding inner surface of space 13d.
At last, the front leg portions 14b of cover piece 14 inserts the through hole (not shown) be located at box body 11 bottom 11a, so that contact with the inner face of the anterior 11b of box body 11.In addition, the back auxiliary section 14c of cover piece 14 then cooperates with the upper end of box body 11 rearward end 11c.Like this, by throwing load mode down from upside, all elements can both be installed to easily in the box body 11 and go.
The operation of the above-mentioned switching device of explanation now.
When switching device was in off-state, promptly operating portion 13b was in salient position, or was in non-pushing state, and the movable contact 23a that decides the fixed juncture 21a of joint 21 and conductor piece 23 is disconnected from each other, shown in Fig. 2 and 3.In this state, the outer circumference surface that is installed in the helical torsion spring 24 spire 24a on the conductor piece 23 is an Elastic Contact with facial the contacting of 11h2 of second cam of steering cam face 11h, and the resilient force direction should make this contact condition be kept.In addition, in this state, two the lug boss 13c1 and the 13c2 of the contact ridge 23g of conductor piece 23 and sliding part 13 are what to separate.
When pushing into when the elastic force of the spring 13e that contracts from the anti-roof pressure of state shown in Figure 2 and with the operating portion 13b of sliding part 13, the lug boss 13c1 of sliding part 13 just contacts the contact ridge 23g of upper conductor sheet 23.Correspondingly, conductor piece 23 rotates along the contact site of counter-clockwise direction (from Fig. 2 position) between conductor piece 23 recess 23d and center tap 22 side lug boss 22b, and at this moment this contact site becomes the pivot center of rotation.This of conductor piece 23 rotate to produce the effect of the spring force that anti-top applied by facial 11h2 of second cam and spire 24a, and the mode on anti-top makes the outer circumference surface of spire 24a slide along the facial 11h2 of second cam, and slides into top 11h3.In addition, when the outer circumference surface of spire 24a surpasses when arriving the facial 11h1 of first cam as the top 11h3 of mid point, conductor piece 23 is subjected to the counter-clockwise partial pressure (inhour is from Fig. 2 position) from the outer circumference surface of facial 11h1 of first cam and spire 24a.Consequently, conductor piece 23 inhours are rotated, and leave the lug boss 13ci of sliding part simultaneously, and the movable contact 23a of conductor piece 23 then contacts the fixed juncture 21a that decides joint 21.So switching device enters on-state.This state can keep owing to above-mentioned counter-clockwise partial pressure.
On the other hand, just as described above, sliding part 13 is urged state owing to the acting in conjunction of tongue pin 26 and cam path 13f is locked in it.That is to say that in the time of will being applied to the pushing force removal on the sliding part 13 under on-state shown in Figure 4, compression spring 13e just acts on its resilience force on the sliding part 13.Yet because at this moment the rear end of tongue pin cooperates with the 13j of stopper protrusion portion of cam path 13f, so the state that is urged of sliding part 13 still can keep.
When sliding part 13 when its latched position shown in Figure 4 pushes once more, the tongue cooperation between 26 rear ends and the stopper protrusion 13j is slightly removed, tongue pin 26 rear ends just move to the second inclined cam surface 13i from the first inclined cam surface 13h.Then, because the resilience force effect of compression spring 13e, sliding part 13 is just got back to its home position.Along with sliding part 13 slides left (from the position of Fig. 4), the contact ridge 23g of the lug boss 13c2 of sliding part 13 contact upper conductor sheet 23, and make conductor piece 23 rotate (from Fig. 4 position) along clockwise direction.Consequently, the outer circumference surface of helical torsion spring 24 spire 24a oppositely slips over top 11h3 and arrives the facial 11h2 of second cam from the facial 11h1 of first cam, thereby arrives home position shown in Figure 2.At this moment, the movable contact 23a of conductor piece 23 separates with the fixed juncture 21a that decides joint 21, so switching device is got back to off-state again.Off-state is being kept by the clockwise biasing force from facial 11h2 of second cam and spire 24a.
Now 14 and 15 pairs of the present invention's second most preferred embodiments are described further in conjunction with the accompanying drawings.Among second embodiment with first embodiment in components identical indicate with identical reference number, and no longer it is described in detail.
Present embodiment is characterised in that center tap and steering cam surface, so following describes this characteristic.
Transition joint 30 is made by a metallic plate.Shown in Figure 14 and 15, center tap 30 has one to connect end 30a, a side lug boss 30b, a 30c of steering cam portion and a junction 30d.Connect end 30a and be fixed on the bottom 11a of box body 11, and protrude from outside the box body 11.One lateral edges of side lug boss 30b center tap 30 protrudes forward, and is supporting the rotating part of conductor piece 23.The 30c of steering cam portion is relative with side lug boss 30b, and connecting portion 30d couples together side lug boss 30b and the 30c of steering cam portion, stretches below conductor piece 23 and helical torsion spring 24.The side surface of 30c of steering cam portion and box body 11 11e of wall portion (or 11f) fuses.As first most preferred embodiment, the 30c of steering cam portion includes a top 30c3, one first 30c1 of cam face portion, and it has a down dip from top 30c3 along a side direction and one second 30c2 of cam face portion, and it is downward-sloping along opposite side from napex 30c3.The outer circumference surface and the first, the second 30c1 of cam face portion that are installed in the helical torsion spring 24 spire 24a on the conductor piece 23 are Elastic Contact with contacting of 30c2 and top 30c3, and above-mentioned outer circumference surface makes can be in above-mentioned surface element and top slide.
Since keep the 30c of steering cam portion that contacts with helical torsion spring 24 spire 24a to be made of metal, therefore can not be owing to long-term and spire sliding contact, and turning part 30c produces wearing and tearing.In addition, because the side surface of the 30c of steering cam portion and the 11e of wall portion (or 11f) fuses, so the 30c of steering cam portion can not generation gap or distortion.Moreover because conductor piece 23 rotates the center tap 30 of the configuration that takes the shape of the letter U substantially (from the top), so the elastic force of helical torsion spring 24 spire 24a born by center tap 30, is not applied to the 11e of wall portion (or 11f).Therefore, wall portion 11e (or 11f) just can do thinly, thereby makes described switching device reduce size, weight reduction.
Other configuration of second most preferred embodiment and operation thereof will be specifically noted, because they and first most preferred embodiment is similar.
According to above-mentioned each most preferred embodiment, switching device comprises following elements:
What have fixed juncture 21a decides joint 21;
Sliding part 13, it is slidably mounted in the box body 11, makes conductor piece 23 to be pivoted by its slip, thereby drives the movable contact 23a of conductor piece 23, it is contacted with the fixed juncture 21a that decide joint 21 or separates;
11h of steering cam portion or 30c, it is located in the box body 11, keeps contacting with the outer circumference surface of helical torsion spring 24 spire 24a under pressure, so that select conductor piece 23 to be in on-state or off-state rotationally, and makes it remain on selected state.Adopt this structure, just can realize being switched on or switched off of switch by allowing conductor piece 23 pivot along the identical direction of sliding part 13 directions of motion.Therefore, the gross thickness of switching device on its vertical direction just can reduce, so the size of switching device also just can reduce.In addition, the supporting device that is used for movable contact 23a can structurally be done simply, and it is easy that its installment work also becomes.
Claims (2)
1. switching device, it includes:
One has the joint of deciding of fixed juncture;
One conductor piece is provided with a movable contact in the one end, and movable contact makes and can or separate with the fixed juncture contact;
One center tap, it is used for supporting rotating conductor piece;
One box body, it is equipped with described decide joint and center tap;
One sliding part, it is slidably mounted in the described box body, makes described conductor piece to be pivoted by its slip, thus the movable contact on the drive conductor piece, the fixed juncture on making it and deciding joint contacts or separates,
The supporting device that it is characterized in that supporting movable contact is simply compact, and easy to assembly, it includes:
One helical torsion spring, it is installed on the conductor piece rotation pivot line place near conductor piece;
One steering cam portion, it is located in the described box body, keeps contacting with the outer circumference surface of helical torsion spring spire under pressure, so that can select described conductor piece to be in on-state or off-state, and it is remained under the selected state with turning to.
2. switching device according to claim 1 is characterized in that settling a plurality of conductor pieces with movable contact on the glide direction of described sliding part, and by the slip of described sliding part, described movable contact can or separate with the fixed juncture contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26873895A JP3234857B2 (en) | 1995-10-17 | 1995-10-17 | Switch device |
| JP268738/95 | 1995-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1151602A CN1151602A (en) | 1997-06-11 |
| CN1039609C true CN1039609C (en) | 1998-08-26 |
Family
ID=17462665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96120162A Expired - Fee Related CN1039609C (en) | 1995-10-17 | 1996-10-17 | Switch device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3234857B2 (en) |
| CN (1) | CN1039609C (en) |
| DE (1) | DE19642744C2 (en) |
| MY (1) | MY123775A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4185942B2 (en) * | 2006-04-05 | 2008-11-26 | アルプス電気株式会社 | Switch device |
| CN102623206B (en) * | 2012-03-28 | 2014-04-23 | 桂林航天电子有限公司 | Round cable output travel switch |
| CN103000414A (en) * | 2012-11-28 | 2013-03-27 | 昌辉汽车电器（黄山）股份公司 | Control switching structure with self-locking micro switch |
| CN103000419A (en) * | 2012-11-28 | 2013-03-27 | 昌辉汽车电器（黄山）股份公司 | Micro switch with self-locking structure |
| JP6451471B2 (en) * | 2015-04-10 | 2019-01-16 | オムロン株式会社 | Switch device |
| CN107863560B (en) * | 2017-11-06 | 2024-04-09 | 无锡先导智能装备股份有限公司 | Shell-entering device and shell-entering method |
| CN108957997B (en) * | 2018-07-27 | 2024-04-05 | 珠海天威飞马打印耗材有限公司 | Process cartridge |
| JP2020095834A (en) * | 2018-12-11 | 2020-06-18 | 富士通コンポーネント株式会社 | Connector and connector device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097896A (en) * | 1993-06-29 | 1995-01-25 | 卓科株式会社 | Switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0455388Y2 (en) * | 1986-03-12 | 1992-12-25 | ||
| JP3008751B2 (en) * | 1993-11-08 | 2000-02-14 | アルプス電気株式会社 | Switch device |
-
1995
- 1995-10-17 JP JP26873895A patent/JP3234857B2/en not_active Expired - Fee Related
-
1996
- 1996-10-11 MY MYPI96004232A patent/MY123775A/en unknown
- 1996-10-16 DE DE19642744A patent/DE19642744C2/en not_active Expired - Fee Related
- 1996-10-17 CN CN96120162A patent/CN1039609C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097896A (en) * | 1993-06-29 | 1995-01-25 | 卓科株式会社 | Switch |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19642744C2 (en) | 2000-04-13 |
| JPH09115381A (en) | 1997-05-02 |
| MY123775A (en) | 2006-06-30 |
| JP3234857B2 (en) | 2001-12-04 |
| DE19642744A1 (en) | 1997-04-24 |
| CN1151602A (en) | 1997-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19980826 Termination date: 20121017 |