CN102044370B - Lever switch - Google Patents
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- CN102044370B CN102044370B CN201010516337.XA CN201010516337A CN102044370B CN 102044370 B CN102044370 B CN 102044370B CN 201010516337 A CN201010516337 A CN 201010516337A CN 102044370 B CN102044370 B CN 102044370B
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Abstract
The present invention provides a lever switch which can realize two-segment type switching of a treatment action (such as the two-segment type switching of zooming speed) through the rotation operation of the lever in one direction. The lever switch is provided with the following components: a first switch part which has a shorter contact distance between a common contact and an independent contact, and a second switch part which has a longer contact distance between the common contact and the independent contact. If the lever rotates in one direction, firstly, the movable contact at the side of the first switch part with shorter contact distance contacts with the independent contact at the side of the switch part (previous contact action). Therefore the independent contact is conducted with the common contact through a contact brush of the switch part in a switch-on state. Furthermore, afterwards, the movable contact at the side of the second switch part with longer contact distance contacts with an independent contact at the side of the switch part (later contact action). Therefore the independent contact is conducted with the common contact through the contact brush of the switch part in the switch-on state.
Description
Technical field
The present invention relates to the lever switch that a kind of zoom operation switch that can be used as digital camera or Digital Video etc. utilizes, relate in particular to and can realize the lever switch that the two-part of processing action switches (such as the two-part switching of zoom rate etc.) by the rotating operation of the lever to a direction.
Background technology
In recent years, be provided with for amplifying the zoom function of the object of taking pictures in digital camera or Digital Video, the operation zooming in or out by ZSW of the object of taking pictures based on this zoom function realizes.
As ZSW as above, use the lever switch that for example patent documentation 1 is recorded.As shown in Fig. 7 of above-mentioned document (a), (b), this lever switch disposes respectively an independent contact at the left and right sides of common junction, if lever rotates to the left as shown in figure (a), the travelling contact on right side disconnects and the independent contact on contact right side from common junction, thus the state of the independent contact on right side in switch open.In contrast, if lever is rotated to the right, the travelling contact in left side disconnects and the independent contact in contact left side from common junction, thereby the independent contact in left side is in switch open state.
The lever switch of recording in above-mentioned patent documentation 1 can carry out the zoom operation of digital camera or Digital Video.For example, if the independent contact on right side becomes switch open state, carry out amplifieroperation; If the independent contact in left side becomes switch open state, carry out reduction operation etc.
Yet, for the lever switch of recording in above-mentioned document 1, it is textural, along with the lever rotation of direction to the left and right, in all directions, can only obtain On/Off state one time, the two-part that therefore cannot carry out zoom rate to the rotating operation of a direction by lever switches, for example, when lever rotates to the left, to amplify compared with low velocity; While further rotating this lever towards same direction, with higher speed, carry out the two-parts such as feature and switch.Therefore can not improve the convenience of digital camera or Digital Video.
Patent documentation 1: 2008-No. 277304 communiques of JP
Summary of the invention
The present invention proposes in order to address the above problem, and its object is to provide a kind of lever switch of the two-part switching (for example the two-part of zoom rate switches) of processing action of realizing to the rotating operation of a direction by lever.
To achieve these goals, lever switch of the present invention is characterised in that and comprises: the switch base with recess, be installed on the upper body above the female portion, be placed in first and second switch portion in the female portion, for operate the lever of two switch portion simultaneously, and, described switch base is provided with bearing groove in the female portion, described upper body has the slit that runs through appearance in it, described first and second switch portion possesses two common junction that switch portion is shared in the inside bottom surface of the female portion, and each switch portion is provided with: two independent contacts, and these two independent contacts are configured in respectively the both sides of described common junction along the length direction of described slit, contact brush, be disposed on contact, it is shorter that the contact spacing that contact spacing from described common junction to independent contact is set to described the first switch portion is compared the contact spacing of described second switch portion, the described contact brush of described first and second switch portion forms into about upside-down triangle shape by having flexible long and thin metal bending tablet, and the base of this upside-down triangle shape is towards the direction of described slit and arrange, all the other both sides of this upside-down triangle shape intersect in the inside bottom surface of the female portion, using two sections of the both sides of this intersection as two travelling contacts, the upper end of described lever is outstanding to outside from the slit of described upper body, the lower end side of this lever possesses the rotating shaft of being supported by the bearing groove in the female portion and is contacted with the pushing cam on the contact brush base of described each switch portion, and described lever can be take described rotating shaft as fulcrum, length direction along described slit rotates, if described lever is rotated to a direction, base one side of the contact brush of described two switch portion is declined by the pushing of the pushing cam of this lever simultaneously, and the travelling contact of a side of each switch portion disconnects from common junction simultaneously, respectively to the independent contact slip of switch portion one side separately, first, the travelling contact of one side of the first switch portion that contact spacing is shorter contacts the independent contact of this first switch portion one side, accordingly the contact brush of the independent contact of a side of this first switch portion by this first switch portion and with common junction conducting, thereby in switch open state, afterwards, the travelling contact contact of one side of the second switch portion that contact spacing is longer is to the independent contact of this second switch portion one side, accordingly the contact brush of the independent contact of a side of this second switch portion by this second switch portion and with common junction conducting, thereby in switch open state.
According to described the present invention, the section of described pushing cam is semilune, and the par of this first quarter moon is contacted with the base of described contact brush, and the shoulder on the arc sections of this first quarter moon and the border of par pushes a side on the base of described contact brush.
According to described the present invention, the both sides of described bearing groove are provided with locking groove, according to contacting of the shoulder of described pushing cam and this locking groove, limit the rotational angle of described lever.
According to the present invention, the concrete structure of lever switch is provided with shorter the first switch portion and the longer second switch portion of contact spacing of contact spacing from common junction to independent contact, if lever is rotated to a direction, first, the travelling contact of the first switch portion one side that contact spacing is shorter contacts the independent contact (first contact action) of this switch portion one side, the independent contact of a side of this switch portion is by the contact brush of this switch portion accordingly, and with common junction conducting, thereby in switch open state.And, afterwards, the travelling contact of one side of the second switch portion that contact spacing is longer contacts the independent contact (rear contact action) of this switch portion one side, the independent contact of a side of this switch portion is by the contact brush of this switch portion accordingly, and with common junction conducting, thereby in switch open state.Accordingly, the rotation of the lever by a direction, obtains the state of twice switch open, therefore by the rotating operation of the lever to a direction, can realize the two-part of processing action and switch.
For example, when lever switch according to the present invention is applied to the digital camera of zoom function or Digital Video, the rotating operation by lever to a direction, the two-part that can realize zoom rate switches, for example, while rotating to the left, with low speed, amplify; And while further rotating this lever towards same direction, to amplify at a high speed, wait two-part switching, so can improve the convenience of digital camera or Digital Video.
Accompanying drawing explanation
Fig. 1 is the outside drawing of the lever switch of embodiments of the invention, and wherein (a) is the front appearance figure of lever switch, is (b) the side outside drawing of lever switch.
Fig. 2 is the detailed annotation figure of the lever switch of embodiments of the invention, (a) in this figure is the vertical view of the lever switch of dismounting upper body, (b) be the vertical view of the lever switch of dismounting upper body and contact brush, (c) being the cutaway view along A-A line in (a), is (d) cutaway view along B-B line in (a).
Fig. 3 is the detailed annotation figure of switch base, (a) in this figure is the front view of switch base, (b) be its vertical view, (c) be its rearview, (d) be its end view, (e) being the cutaway view along B-B line in this figure (b), is (f) cutaway view along A-A line in this figure (b).
Fig. 4 is assemblied in common junction before switch base and the vertical view of independent contact.
Fig. 5 is the detailed annotation figure of upper body, (a) in this figure is the front view of upper body, (b) be its vertical view, (c) be its rearview, (d) be its end view, (e) being the cutaway view along B-B line in this figure (b), is (f) cutaway view along A-A line in this figure (b).
Fig. 6 is the key diagram of lever, and (a) in this figure is the front view of lever, is (b) its vertical view, (c) is end view.
Fig. 7 is the action specification figure of lever switch, and (a1) in this figure is illustrated in does not have External Force Acting in the situation of lever, two states that independent contact is all closed in switch of the first switch portion; (a2) be illustrated in the situation identical with (a1) two states that independent contact is all closed in switch in second switch portion; (b1) be illustrated in lever is rotated in predetermined angular situation to the left, the state of the independent contact of a side in switch open in the first switch portion; (b2) be illustrated in the situation identical with (b1) state that in second switch portion, the independent contact of a side is closed in switch; (c1) be illustrated in and compare (b1) further to the left in the situation of rotating lever, the independent contact of a side of the first switch portion maintains the state of switch open; (c2) be illustrated in the situation identical with (c1), in second switch portion, the independent contact of a side is initially located in switch open state.
Fig. 8 is the action specification figure of lever switch, (d1) is illustrated in the situation that lever is farthest rotated to the left, and in the first switch portion, the independent contact of a side maintains the state of switch open; (d2) be illustrated in the identical situation with (d1), in second switch portion, the independent contact of a side maintains switch open state.
The explanation of symbol: 1 is switch base, 1A is recess, 1B is partition wall, 1C is bearing groove, 1D locking groove, 1E is in conjunction with projection, 1F is lug boss, 2 is upper body, 2A is combined hole, 2C is the protuberance of upper body, 200 is slit, 201 is the top board of upper body, 202 is the side plate of upper body, 3A is the first switch portion, 3B is second switch portion, 4 is lever, 40 is the rotating shaft of lever, 41 is the pushing cam of lever, 4A is the par of pushing cam, 4A is the par of pushing cam, 4B is the arc sections of pushing cam, 4C is the shoulder of pushing cam, 5 is common junction, 61, 62 is the independent contact of the first switch portion, 63, 64 is the independent contact of second switch portion, 7A is the contact brush of the first switch portion, 7B is the contact brush of second switch portion, 700 is the base of contact brush, 71, 72 is the travelling contact of the first switch portion, 73, 74 is the travelling contact of second switch portion, 8, 91, 92, 93, 94 is wiring part, LS is lever switch, L1, L2 is contact spacing.
Embodiment
Below, with reference to accompanying drawing, describe in detail for implementing preferred embodiment of the present invention.
Fig. 1 is the outside drawing of the lever switch of embodiments of the invention, and Fig. 2 is the detailed annotation figure of the lever switch of embodiments of the invention.
Lever switch LS of the present invention shown in Fig. 1 comprises: as Fig. 2 (c), (d) have the switch base 1 of recess 1A; Be installed on the upper body 2 above recess 1A; Be placed in first and second switch portion 3A, the 3B of recess 1A inside; For operate the lever 4 of two switch portion 3A, 3B simultaneously.
The concrete structure of switch base
Fig. 3 is the detailed annotation figure of switch base.As Fig. 3 (e) (f), described switch base 1 has the structure that is formed with partition wall 1B in the inside of recess 1A, the central authorities by the upper edge at this partition wall 1B form bearing groove 1C, are arranged at the inside of recess 1A with this bearing groove 1C.
The both sides of bearing groove 1C are provided with locking groove 1D.The upper edge of the shape cutting partition wall 1B that this locking groove 1D equates by the shoulder 4C (with reference to Fig. 6) with pushing cam 41 described later forms, therefore in lever switch LS of the present invention, according to the shoulder 4C of pushing cam 41 described later, contact with this locking groove 1D (with reference to Fig. 8 (d1), (d2)), the rotational angle of restriction lever 4, and prevent that this lever 4 from damaging upper body 2 etc. because of inordinate rotation.
As Fig. 3 (a), (b), (c), the both side surface of the length direction of switch base 1 is formed with for the combination projection 1E of upper body 2 is installed on recess 1A.As Fig. 3 (c), (d), protrude from the lug boss 1F of Width one side of switch base 1 for when this lever switch LS being installed on to substrate etc., be pressed into the installing hole of this substrate etc.
The concrete structure of upper body
Fig. 5 is the detailed annotation figure of upper body.As shown in Fig. 5 (a), described upper body 2 forms by top board 201 with in its pair of side plates 202 of forming as one of left and right.And as shown in Fig. 5 (b), (c), described upper body 2 is configured to the structure that is formed with the slit 200 that connects its surfaces externally and internally on top board 201.
As Fig. 5 (d), (e), (f), the side plate 202 of the both sides of upper body 2 is provided with combined hole 2A, by this combined hole 2A being embedded into the combination projection 1E of described switch base 1, thereby upper body 2 is mounted on to the recess 1A of switch base 1, and can loads and unloads (with reference to Fig. 1) by simple motion (one touch).
And as shown in Fig. 5 (a), (f), top board 201 inner sides of upper body 2 are provided with the 2B of cam guidance portion of half-circle-arc shape.Because the 2B of this cam guidance portion is by cutting into circular-arc formation by the front end that is formed at the protuberance 2C of top board 201 inner sides, therefore in lever switch LS of the present invention, by section described later being to arc surface sliding contact and the 2B of this cam guidance portion of the pushing cam 41 of first quarter moon shape, thus the stable pushing spinning movement of cam 41 and the rotational action of lever 4.
The concrete structure of first and second switch portion
As shown in Fig. 2 (c), (d), described first and second switch portion 3A, 3B are provided with two common junction 5 (with reference to Fig. 4) that switch portion 3A, 3B are shared in the inside bottom surface of the 1A of the female portion.
And, two switch portion 3A, 3B are provided with: each switch portion 3A, 3B are provided with two independent contacts (61 and 62,63 and 64), these two independent contacts are along the length direction of the slit 200 (with reference to Fig. 5 (b)) of described upper body 2, are configured in respectively the both sides of described common junction 5 (with reference to Fig. 3 (b) and Fig. 4); Contact brush 7A, 7B, as shown in Fig. 2 (c), (d), be disposed on these contacts 5,61～64.
The common junction 5 of two switch portion 3A, 3B can be by being connected with not shown external circuit with each contact shape all-in-one-piece wiring part 8,91,92,93,94 (with reference to Fig. 3 (a), (c)) respectively with independent contact 61～64.And these contacts 5,61～64, when by switch base 1 injection mo(u)lding, are arranged at the inner bottom surface of recess 1A in insert-molding mode.
As shown in Fig. 2 (c), (d), contact brush 7A, the 7B of two switch portion 3A, 3B have identical structure, and by the shape that has flexible long and thin metal bending tablet and become to be similar to del is formed.The direction towards described slit 200 is arranged on the base 700 of this upside-down triangle shape, all the other both sides 701 of this upside-down triangle shape intersect in the inside bottom surface of the 1A of the female portion simultaneously, using the two ends on the both sides 701 that intersect as two travelling contacts 71,72,73,74.And these travelling contacts 71～74 are shaped to semicircle arcuation, easily to slide on common junction 5 and independent contact 61～64.
As shown in Figure 4, in first and second switch portion 3A, the 3B being comprised of above structure, the contact spacing L1 that the contact spacing L1 from common junction 5 to each independent contact 61～64, L2 are arranged to the first switch portion 3A compares the contact spacing L2 shorter (L1<L2) of the 3B of second switch portion.
Accordingly, in this lever switch LS, a side travelling contact 71,73 of each switch portion 3A, 3B disconnects and while sliding to the independent contact 61,63 of a side of switch portion 3A, 3B respectively from common junction 5 simultaneously, the independent contact 61 of a side of travelling contact 71 this switch portion of contact 3A of a side of the first switch portion 3A that first contact spacing L1 is shorter, and evening when a little, the independent contact 63 of travelling contact 73 this switch portion of contact 3B mono-sides of a side of the 3B of second switch portion that contact spacing L2 is longer.
The travelling contact 72,74 of the opposite side of each switch portion 3A, 3B disconnects and also same as described above while sliding to the opposite side independent contact 62,64 of switch portion 3A, 3B respectively from common junction 5 simultaneously.; the independent contact 62 of the opposite side of travelling contact 72 this switch portion of contact 3A of the opposite side of the first switch portion 3A that contact spacing L1 is shorter; evening, when a little, the opposite side travelling contact 74 of the 3B of second switch portion that contact spacing L2 is longer contacted the opposite side independent contact 64 of this switch portion 3B.
The concrete structure of lever
Fig. 6 is the key diagram of described lever 4.Lever 4 has following structure.As shown in Fig. 2 (c), (d), this lever upper end is outstanding to outside from the slit 200 (with reference to Fig. 5 (b)) of upper body 2, and this lever lower end side is provided with the pushing cam 41 on the base 700 of the rotating shaft 40 that the bearing groove 1C by the recess 1A inside of switch base 1 supports and contact brush 7A, the 7B that is contacted with each switch portion 3A, 3B.And lever can be fulcrum by described rotating shaft 40, rotates on the length direction of described slit 200.
The rotating shaft 40 of lever 4 is arranged at the bottom of pushing cam 41, and section is semilune, and the arc surface side of first quarter moon is incorporated into described bearing groove 1C.
The section of the pushing cam 41 of lever 4 is semilune, the par 4A of its first quarter moon is contacted with the base 400 of contact brush 7A, 7B as Fig. 2 (c), (d), and the shoulder 4C on the border by the arc sections 4B as this first quarter moon and par 4A pushes a side on the base 700 of contact brush 7A, 7B.
The action specification of lever switch
Below, with reference to Fig. 7 and Fig. 8 explanation action of the lever switch LS of formation as mentioned above.
As shown in Fig. 7 (a1), (a2), while not having to act on this lever 4 along the external force (power of the direction representing with arrow L or R) of rotating lever 4 directions, lever 4 is the posture of standing.Now, the pushing cam 41 of lever 4 does not tilt to any direction, and is contacted with the base 700 of contact brush 7A, 7B, and contact brush 7A, 7B do not have strain, and the travelling contact 71～74 of first and second switch portion 3A, 3B is all contacted with common junction.
Therefore, when lever 4 maintains stance, the independent contact 61～64 of first and second switch portion 3A, 3B and common junction 5 are not switched on by contact brush 7A, 7B, and the independent contact 61～64 of first and second switch portion 3A, 3B is all closed the state of (disconnection) in switch.
For as the lever 4 in stance as above, while applying the external force of the direction representing with arrow L or R, this lever 4 be take rotating shaft 40 as fulcrum, to the rotation of this direction.For example, if Fig. 7 (b1), (b2) are if adopt the external force of the direction being represented by arrow L to rotate to the left this lever 4, lever 4 and pushing cam 41, according to this rotational angle, rotate to the rotation direction (left side) of lever 4.
As shown in Fig. 7 (b1), (b2), along with lever 4 rotates to the left, one side on the base 700 of contact brush 7A, the 7B of first and second switch portion 3A, 3B is due to the left side shoulder 4C of the pushing cam 41 rotating to the left, be urged simultaneously and decline, and with this down maneuver interlock, the travelling contact 71,73 on the right side of each switch portion 3A, 3B disconnects from common junction 5 simultaneously, and the independent contact 61,63 to the right side of switch portion 3A, 3B slides respectively.
And, as shown in Fig. 7 (b1), according to the slip of the travelling contact 71,73 on above-mentioned right side, the independent contact 61 (first contact action) on travelling contact 71 contact this switch portion 3A right sides on the right side of the first switch portion 3A that first contact spacing L1 is shorter.And as shown in Fig. 7 (c2), by lever 4 is further rotated to the left, be later than described first contact action, the independent contact 63 (rear contact action) on travelling contact 73 contact this switch portion 3B right sides on the right side of the 3B of second switch portion that contact spacing L2 is longer.
According to above-mentioned first contact action, the independent contact 61 on the right side of the first switch portion 3A and common junction 5 conducting by contact brush 7A, thus the independent contact 61 on this switch portion 3A right side is in switch open state (with reference to Fig. 7 (b1)).
Now, in the 3B of second switch portion, the travelling contact 73 on right side does not contact the independent contact 63 (with reference to Fig. 7 (b2)) on the right side of this switch portion 3B.Therefore, in first contact action step, the independent contact 63 on the right side of the 3B of second switch portion and common junction 5 are not switched on by contact brush 7B, and the independent contact 63 on the right side of this switch portion 3B is closed the state of (disconnection) in switch.And the travelling contact 72,74 in left side all maintains the state of contact common junction 5 in first and second switch portion 3A, 3B, therefore in switch closed condition.
According to above-mentioned rear contact action, the independent contact 63 on the right side of the 3B of second switch portion and common junction 5 conducting by contact brush 7B, the independent contact 63 on this switch portion 3B right side is in switch open state (with reference to Fig. 7 (c2)).
Now, the independent contact 61 on the right side of the first switch portion 3A maintains the state (with reference to Fig. 7 (c1)) of first contact action as above.Thereby in the step of rear contact action, the independent contact 63 on the right side of the independent contact 61 on the right side of the first switch portion 3A and the 3B of second switch portion is both in switch open state (with reference to Fig. 7 (c1), (c2)).And the independent contact 62,64 in the left side of first and second switch portion 3A, 3B is all closed (disconnection) state in switch.
And, in Fig. 7 (b1), lever 4 turns to 25 while spending to the left, the independent contact 61 on the right side of the first switch portion 3A is in switch open state, in Fig. 7 (c2), this lever 4 further turns to 42 while spending to the left, the state of the independent contact 63 on the right side of the 3B of second switch portion in switch open, but the rotational angle of this lever 4 is not limited to 25 degree or 42 degree, can carry out suitable change as required.And, as shown in Fig. 8 (d1), (d2), the maximum rotation angle that lever 4 can rotate is to the left 65 degree, and the angle that lever 4 can rotate is to the right also identical, and the maximum rotation angle of this lever 4 also can be carried out suitable change as required.
If remove the external force of the above-mentioned arrow L direction that acts on lever 4, respectively according to the elastic restoring force of contact brush 7A, 7B, base 700 1 sides (left side) of contact brush 7A, the 7B of decline rise to original position.And with this vertical motion interlock, the travelling contact 71,73 on the right side of two switch portion 3A, 3B disconnects from the independent contact 61,63 on right side, and contact common junction 5.
By above action, the travelling contact 71,73 on right side returns to original position (position of common junction 5), and the independent contact 61,63 on the right side of above-mentioned first and second switch portion 3A, 3B and the conducting of common junction 5 are disconnected, the independent contact 61,63 on the right side of two switch portion 3A, 3B is closed (disconnection) state in switch.
As shown in Fig. 7 (a1), (a2), when the lever in stance 4 is rotated to the right by the external force of arrow R direction, as mentioned above, action when rotating to the left with lever 4 is identical, the independent contact 62 (first contact action) on the right side of this switch portion of travelling contact 72 contact 3A in the left side of the first switch portion 3A that first contact spacing L1 is shorter, with this in switch open state.And, after a while, the independent contact 64 (rear contact action) in the travelling contact in the left side of the 3B of second switch portion that contact spacing L2 is longer 74 this switch portion of contact 3B left sides, with this in switch open state.And, if remove the external force of the above-mentioned arrow R direction that acts on lever 4, identical action during the external force by the releasing arrow L direction with in front explanation, the independent contact 62,64 in the left side of two switch portion 3A, 3B is all closed (disconnection) state in switch.
Lever switch utilize example
As the example of utilizing of lever switch LS of the present invention, can consider such as the example that is used in the zoom operation switch of digital single-lens reflex camera or Digital Video.
Described utilization in example, for example, when by the lever of lever switch LS of the present invention 4 is rotated a little to the left, while only making the independent contact 61 on the right side of the first switch portion 3A become switch open state, based on this start signal, can carry out low speed amplification.When by this lever 4 is further rotated to the left, while making the independent contact 63 on the right side of the 3B of second switch portion also become switch open state, based on this start signal, can carry out high speed amplification etc.Accordingly, the two-part that can realize amplification speed by the rotating operation of the lever 4 of direction to the left switches.
And, when by lever 4 is rotated a little to the right, while only making the independent contact 62 on the right side of the first switch portion 3A become switch open state, based on this start signal, can carry out low speed amplification.When by this lever 4 is further rotated to the right, while making the independent contact 64 on the right side of the 3B of second switch portion also become switch open state, based on this start signal, can carry out high speed amplification etc.Accordingly, the two-part that can realize amplification speed by the rotating operation of the lever 4 of direction to the right switches.
In the lever switch LS of embodiment described above, its concrete structure is to be provided with from common junction 5 to the first shorter switch portion 3A of independent contact 61,62 contact spacing L1 and the longer 3B of second switch portion of its contact spacing L2, if lever 4 is rotated to a direction, first, the independent contact 61 (first contact action) of travelling contact 71 this switch portion of contact 3A mono-sides of a side of the first switch portion 3A that contact spacing L1 is shorter, therefore its independent contact 61 by the contact brush 7A of this switch portion 3A with common junction 5 conductings, thereby in switch open state.And, after a while, the independent contact 63 (rear contact action) of travelling contact 73 this switch portion of contact 3B mono-sides of a side of the 3B of second switch portion that contact spacing L2 is longer, therefore this independent contact 63 by the contact brush 7B of this switch portion 3B with common junction 5 conductings, thereby in switch open state.Accordingly, the rotation due to the lever 4 by a direction, obtains switch open state twice, therefore by the rotating operation of the lever 4 to a direction, can realize the two-part moving in the processing such as zoom rate of front explanation and switch.
Claims (3)
1. a lever switch, is characterized in that comprising: the switch base with recess; Be installed on the upper body above the female portion; Be placed in first and second switch portion in the female portion; For the lever of first and second switch portion described in operation simultaneously,
Described switch base is provided with bearing groove in the female portion,
Described upper body is provided with the slit that runs through its surfaces externally and internally,
Described first and second switch portion possesses the described shared common junction of first and second switch portion in the inside bottom surface of the female portion, and each switch portion is provided with: two independent contacts, and these two independent contacts are separately positioned on the both sides of described common junction along the length direction of described slit; Contact brush, is disposed on described common junction and described independent contact,
It is shorter that the contact spacing that contact spacing from described common junction to independent contact is set to described the first switch portion is compared the contact spacing of described second switch portion,
The described contact brush of described first and second switch portion becomes to be similar to upside-down triangle shape and forms by having flexible long and thin metal bending tablet, and the base of upside-down triangle shape is towards the direction of described slit and arrange, all the other both sides of this upside-down triangle shape intersect in the inside bottom surface of the female portion, using the two ends on the both sides of this intersection as two travelling contacts
The upper end of described lever is outstanding to outside from the slit of described upper body, the lower end side of this lever possesses the rotating shaft of being supported by the bearing groove in the female portion and is contacted with the pushing cam on the contact brush base of described first and second switch portion, and described lever can be take described rotating shaft as fulcrum, length direction along described slit rotates
If described lever is rotated to a direction,
Base one side of the contact brush of described first and second switch portion is urged and declines simultaneously by the pushing cam of this lever, and travelling contact and the common junction of a side of described first and second switch portion disconnect simultaneously, respectively to the independent contact slip of switch portion one side separately
First, the travelling contact of one side of described the first switch portion that contact spacing is shorter contacts the independent contact of this first switch portion one side, accordingly the contact brush of the independent contact of a side of this first switch portion by this first switch portion and with common junction conducting, thereby in switch open state
Afterwards, the travelling contact of one side of the described second switch portion that contact spacing is long contacts the independent contact of this second switch portion one side, accordingly the contact brush of the independent contact of a side of this second switch portion by this second switch portion and with common junction conducting, thereby in switch open state.
2. lever switch according to claim 1, the section that it is characterized in that described pushing cam is semilune, this semi-moon shaped par is contacted with the base of described contact brush, and the shoulder on the border of this semi-moon shaped arc sections and par pushes a side on the base of described contact brush.
3. lever switch according to claim 2, is characterized in that the both sides of described bearing groove are provided with locking groove, according to contacting of the shoulder of described pushing cam and this locking groove, limits the rotational angle of described lever.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009239532A JP5358391B2 (en) | 2009-10-16 | 2009-10-16 | Lever switch |
| JP2009-239532 | 2009-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102044370A CN102044370A (en) | 2011-05-04 |
| CN102044370B true CN102044370B (en) | 2014-08-20 |
Family
ID=43910404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010516337.XA Expired - Fee Related CN102044370B (en) | 2009-10-16 | 2010-10-18 | Lever switch |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5358391B2 (en) |
| KR (1) | KR101630242B1 (en) |
| CN (1) | CN102044370B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016015050A1 (en) * | 2016-12-16 | 2018-06-21 | Johnson Electric Germany GmbH & Co. KG | switching device |
| JP6406376B2 (en) * | 2017-03-13 | 2018-10-17 | オムロン株式会社 | switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874911A (en) * | 1988-03-28 | 1989-10-17 | Eaton Corporation | Electrical reversing switch |
| EP1205955A2 (en) * | 2000-11-07 | 2002-05-15 | Matsushita Electric Industrial Co., Ltd. | Lever switch |
| CN100351967C (en) * | 2002-07-03 | 2007-11-28 | 美格电子工业株式会社 | Two-way lever switch |
| CN101447356A (en) * | 2007-11-29 | 2009-06-03 | 三美电机株式会社 | Transitional slide contact switch with twostage push-press switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347218Y2 (en) * | 1985-09-26 | 1991-10-08 | ||
| JP3628423B2 (en) * | 1996-03-01 | 2005-03-09 | ナイルス株式会社 | Two-stage operation switch device |
| JP2008277304A (en) * | 2008-06-03 | 2008-11-13 | Mic Electron Co | Lever switch |
-
2009
- 2009-10-16 JP JP2009239532A patent/JP5358391B2/en not_active Expired - Fee Related
-
2010
- 2010-10-15 KR KR1020100101047A patent/KR101630242B1/en active IP Right Grant
- 2010-10-18 CN CN201010516337.XA patent/CN102044370B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874911A (en) * | 1988-03-28 | 1989-10-17 | Eaton Corporation | Electrical reversing switch |
| EP1205955A2 (en) * | 2000-11-07 | 2002-05-15 | Matsushita Electric Industrial Co., Ltd. | Lever switch |
| CN100351967C (en) * | 2002-07-03 | 2007-11-28 | 美格电子工业株式会社 | Two-way lever switch |
| CN101447356A (en) * | 2007-11-29 | 2009-06-03 | 三美电机株式会社 | Transitional slide contact switch with twostage push-press switch |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-277304A 2008.11.13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5358391B2 (en) | 2013-12-04 |
| KR101630242B1 (en) | 2016-06-14 |
| JP2011086550A (en) | 2011-04-28 |
| KR20110042021A (en) | 2011-04-22 |
| CN102044370A (en) | 2011-05-04 |
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