CN102044370A - Lever switch - Google Patents
Lever switch Download PDFInfo
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- CN102044370A CN102044370A CN201010516337XA CN201010516337A CN102044370A CN 102044370 A CN102044370 A CN 102044370A CN 201010516337X A CN201010516337X A CN 201010516337XA CN 201010516337 A CN201010516337 A CN 201010516337A CN 102044370 A CN102044370 A CN 102044370A
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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 latter Digital Video etc. utilizes, relate in particular to and to switch the lever switch of (for example the two-part switching of zoom rate etc.) by realize the two-part of handling action to the rotating operation of the lever of a direction.
Background technology
In recent years, be provided with in digital camera or the Digital Video and be used to amplify the zoom function of object of taking pictures, realize based on the operation that zooms in or out by ZSW of the object of taking pictures of this zoom function.
As aforesaid ZSW, use for example lever switch of patent documentation 1 record.Shown in Fig. 7 (a) and (b) of above-mentioned document, this lever switch disposes an independent contact respectively at the left and right sides of common junction, if lever rotates shown in figure (a) to the left, then the travelling contact on right side disconnects and the independent contact on contact right side from common junction, thereby the independent contact on right side is in the state of switch open.In contrast, if lever is rotated to the right, then Zuo Ce travelling contact disconnects and the independent contact in contact left side from common junction, thereby the independent contact in left side is in the switch open state.
The lever switch of being put down in writing in the 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 the switch open state, then carry out amplifieroperation; If the independent contact in left side becomes the switch open state, then carry out reduction operation etc.
Yet, for the lever switch of being put down in writing in the above-mentioned document 1, it is textural, along with the lever rotation of direction to the left and right, can only obtain the On/Off state one time in all directions, therefore can't carry out the two-part switching of zoom rate to the rotating operation of a direction by lever, when for example lever rotates to the left, to amplify than low velocity; When same direction is further rotated this lever, carry out two-part such as feature with higher speed and switch.Therefore can not improve the convenience of digital camera or Digital Video.
Patent documentation 1: the spy opens the 2008-277304 communique
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of and realizes that to the rotating operation of a direction two-part of handling action switches the lever switch of (for example the two-part of zoom rate switches) 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; Be used for operating simultaneously the lever of two switch portion, 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 and respectively disposes two independent contacts of one along the length direction of described slit respectively in the both sides of described common junction, be disposed at the contact brush on the contact, distance is set to distance between the contact of described first switch portion to compare between the contact of described second switch portion distance shorter between the contact from described common junction to independent contact, the described contact brush of described first and second switch portion is by forming rubber-like long and thin metal bending tablet into about upside-down triangle shape, and the base of this upside-down triangle shape is towards the direction of described slit and be provided with, all the other both sides of this upside-down triangle shape intersect on the inside bottom surface of the female portion, with two sections of the both sides of this intersection as two travelling contacts, the upper end of described lever is outstanding to the outside from the slit of described upper body, the lower end side of this lever possesses by the rotating shaft that bearing groove supported 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 a fulcrum with described rotating shaft, length direction along described slit rotates, if described lever is rotated to a direction, base one side of the contact brush of then described two switch portion is descended by the pushing of the pushing cam of this lever simultaneously, and the travelling contact of a side of each switch portion disconnects simultaneously from common junction, respectively to the independent contact slip of switch portion one side separately, at first, distance contacts the independent contact of this first switch portion, one side between contact than the travelling contact of a side of the first short switch portion, in view of the above the independent contact of a side of this first switch portion by this first switch portion the contact brush and with the common junction conducting, thereby be in the switch open state, afterwards, the travelling contact contact of one side of the second switch portion that distance is grown between contact is to the independent contact of this second switch portion one side, in view of the above the independent contact of a side of this second switch portion by this second switch portion the contact brush and with the common junction conducting, thereby be in the 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 border of the arc sections of this first quarter moon and 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 the shoulder of described pushing cam and contacting of this locking groove, limit the rotational angle of described lever.
According to the present invention, the concrete structure of lever switch is provided with the long second switch portion of distance between first short switch portion of distance between contact from common junction to independent contact and contact, if lever is rotated to a direction, at first, distance contacts the independent contact (first contact action) of this switch portion one side between contact than the travelling contact of short first switch portion, one side, the independent contact of a side of this switch portion is by the contact brush of this switch portion in view of the above, and with the common junction conducting, thereby be in the switch open state.And, afterwards, distance contacts the independent contact (back contact action) of this switch portion one side between contact than the travelling contact of a side of long second switch portion, the independent contact of a side of this switch portion is by the contact brush of this switch portion in view of the above, and with the common junction conducting, thereby be in the switch open state.In view of the above, the rotation of the lever by a direction obtains the state of twice switch open, therefore by the rotating operation to the lever of a direction, can realize that the two-part of handling action switches.
For example, when will lever switch according to the present invention being applied to have the digital camera of zoom function or Digital Video, by the rotating operation of lever to a direction, the two-part that can realize zoom rate switches, for example, when rotating to the left, amplify with low speed; And when same direction is further rotated this lever, wait two-part to switch to amplify at a high speed, so can improve the convenience of digital camera or Digital Video.
Description of drawings
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, (b) is the side outside drawing of lever switch.
Fig. 2 is the detailed annotation figure of the lever switch of embodiments of the invention, (a) among 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 of A-A line in the edge (a), (d) is the cutaway view along B-B line in (a).
Fig. 3 is the detailed annotation figure of switch base, and (a) among this figure is the front view of switch base, (b) is its vertical view, (c) be its rearview, (d) being its end view, (e) is the cutaway view along B-B line among this figure (b), (f) is the cutaway view along A-A line among this figure (b).
Fig. 4 is assemblied in the preceding common junction of switch base and the vertical view of independent contact.
Fig. 5 is the detailed annotation figure of upper body, and (a) among this figure is the front view of upper body, (b) is its vertical view, (c) be its rearview, (d) being its end view, (e) is the cutaway view along B-B line among this figure (b), (f) is the cutaway view along A-A line among this figure (b).
Fig. 6 is the key diagram of lever, and (a) among this figure is the front view of lever, (b) is its vertical view, (c) is end view.
Fig. 7 is the action specification figure of lever switch, and (a1) among this figure is illustrated under the situation that does not have external force to act on lever, and two independent contacts of first switch portion all are in the switch closing state; (a2) be illustrated under the situation identical with (a1), two independent contacts in the second switch portion all are in the switch closing state; (b1) be illustrated in lever is rotated under the predetermined angular situation to the left, the independent contact of a side is in the state of switch open in first switch portion; (b2) be illustrated under the situation identical with (b1), the independent contact of a side is in the switch closing state in the second switch portion; (c1) be illustrated in and compare (b1) further to the left under the situation of rotating lever, the independent contact of a side of first switch portion is kept the state of switch open; (c2) be illustrated under the situation identical with (c1), the independent contact of a side is initially located in the switch open state in the second switch portion.
Fig. 8 is the action specification figure of lever switch, (d1) is illustrated under the situation that lever is farthest rotated to the left, and the independent contact of a side is kept the state of switch open in first switch portion; (d2) be illustrated under the identical situation with (d1), the independent contact of a side is kept the switch open state in the second switch portion.
The explanation of symbol: 1 is switch base, and 1A is a recess, and 1B is a partition wall, 1C is a bearing groove, and 1D locking groove, 1E are in conjunction with projection, 1F is a lug boss, and 2 is upper body, and 2A is a combined hole, 2C is the protuberance of upper body, and 200 is slit, and 201 is the top board of upper body, 202 is the side plate of upper body, and 3A is first switch portion, and 3B is a second switch portion, 4 is lever, 40 is the rotating shaft of lever, and 41 is the pushing cam of lever, and 4A is the par of pushing cam, 4A is the par of pushing cam, 4B is the arc sections of pushing cam, and 4C is the shoulder of pushing cam, and 5 is common junction, 61,62 is the independent contact of first switch portion, 63,64 is the independent contact of second switch portion, and 7A is the contact brush of first switch portion, and 7B is the contact brush of second switch portion, 700 is the base of contact brush, 71,72 is the travelling contact of first switch portion, 73,74 is the travelling contact of second switch portion, 8,91,92,93,94 is wiring part, LS is a lever switch, L1, L2 is a distance between contact.
Embodiment
Below, describe in detail with reference to accompanying drawing and to be used to implement 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 Figure 1 comprises: the switch base 1 that has recess 1A as Fig. 2 (c), (d); Be installed on the upper body 2 above the recess 1A; Be placed in first and second switch portion 3A, the 3B of recess 1A inside; Be used for operating simultaneously the lever 4 of two switch portion 3A, 3B.
The concrete structure of switch base
Fig. 3 is the detailed annotation figure of switch base.As Fig. 2 (e) (f), described switch base 1 has the structure that is formed with partition wall 1B in the inside of recess 1A, forms bearing groove 1C by the central authorities in the upper edge of this partition wall 1B, is 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.This locking groove 1D forms by the upper edge of cutting partition wall 1B with the shape that equates with the shoulder 4C (with reference to Fig. 6) of pushing cam 41 described later, therefore among the lever switch LS of the present invention, shoulder 4C according to pushing cam 41 described later contacts (with reference to Fig. 8 (d1), (d2)) with this locking groove 1D, 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) and (b), (c), the both side surface of the length direction of switch base 1 be formed be used on recess 1A installing upper body 2 in conjunction with projection 1E.As Fig. 3 (c), (d), the lug boss 1F that protrudes in Width one side of switch base 1 is used for being pressed into the installing hole of this substrate etc. when this lever switch LS being installed on substrate etc.
The concrete structure of upper body
Fig. 5 is the detailed annotation figure of upper body.Shown in Fig. 5 (a), described upper body 2 is made of top board 201 and the pair of side plates 202 that forms as one about it.And shown in Fig. 5 (b), (c), described upper body 2 constitutes 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 is embedded into described switch base 1 in conjunction with projection 1E, thereby upper body 2 is mounted on the recess 1A of switch base 1, and can loads and unloads (with reference to Fig. 1) by simple motion (one touch).
And shown in Fig. 5 (a), (f), top board 201 inboards of upper body 2 are provided with the 2B of cam guidance portion of half-circle-arc shape.Because the front end of the protuberance 2C of the 2B of this cam guidance portion by will being formed at top board 201 inboards cuts into circular-arc formation, therefore in lever switch LS of the present invention, the arc surface sliding contact and the 2B of this cam guidance portion of the pushing cam 41 by section described later being the first quarter moon shape, thereby the spinning movement of stable pushing cam 41 and the rotational action of lever 4.
The concrete structure of first and second switch portion
Shown in Fig. 2 (c), (d), described first and second switch portion 3A, 3B are provided with two common junction 4 (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 be respectively along the length direction of the slit 200 (with reference to Fig. 5 (b)) of described upper body 2, respectively dispose in the both sides of described common junction 5 one two independent contacts 61,62,63,64 (and Fig. 4) with reference to Fig. 3 (b); Shown in Fig. 2 (c), (d), be disposed at contact brush 7A, 7B on these contacts 5,61～64.
The common junction 5 of two switch portion 3A, 3B and independent contact 61～64 can be by forming one with each contact respectively wiring part 8,91,92,93,94 (with reference to Fig. 3 (a), (c)) be connected with not shown external circuit.And these contacts 5,61～64 are arranged at the inner bottom surface of recess 1A in the insert moulding mode with switch base 1 injection mo(u)lding the time.
Shown in Fig. 2 (c), (d), contact brush 7A, the 7B of two switch portion 3A, 3B have identical structure, and form by the shape that rubber-like long and thin metal bending tablet is become to be similar to del.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, with 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 the semicircle arcuation, to slide on common junction 5 and independent contact 61～64 easily.
As shown in Figure 4, among first and second switch portion 3A, the 3B that forms by above structure, be arranged between the contact of the first switch portion 3A to compare between the contact of the 3B of second switch portion shorter (L1＜L2) apart from L1, L2 contact apart from L2 apart from L1 from common junction 5 to each independent contact 61～64.
In view of the above, among this lever switch LS, the side travelling contact 71,73 of each switch portion 3A, 3B disconnects and respectively when the independent contact 61,63 of the side of switch portion 3A, 3B slides from common junction 5 simultaneously, at first contact the independent contact 61 of the side of this switch portion 3A between contact than the travelling contact 71 of the side of the first short switch portion 3A apart from L1, and evening when a little, between contact apart from the L2 independent contact 63 of travelling contact 73 this switch portion of contact 3B one side of the side of the long 3B of second switch portion.
The travelling contact 72,74 of the opposite side of each switch portion 3A, 3B disconnects and also same as described above when the opposite side independent contact 62,64 of switch portion 3A, 3B slides respectively from common junction 5 simultaneously.Promptly, contact the independent contact 62 of the opposite side of this switch portion 3A between contact than the travelling contact 72 of the opposite side of the first short switch portion 3A apart from L1, between contact apart from L2 than the opposite side travelling contact 74 of long second switch portion 3B contact the opposite side independent contact 64 of this switch portion 3Bs when a little evening.
The concrete structure of lever
Fig. 6 is the key diagram of described lever 4.Lever 4 has following structure.Shown in Fig. 2 (c), (d), this lever upper end is outstanding to the outside from the slit 200 (with reference to Fig. 5 (b)) of upper body 2, and this lever lower end side is provided with by the rotating shaft 40 of the bearing groove 1C support of the recess 1A inside of switch base 1 and the pushing cam 41 on the base 700 of the contact brush 7A, the 7B that are contacted with each switch portion 3A, 3B.And lever can be a fulcrum with 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 such as Fig. 2 (c), (d) are contacted with the base 400 of contact brush 7A, 7B, and push a side on the base 700 of contact brush 7A, 7B by the shoulder 4C as the border of the arc sections 4B of this first quarter moon and par 4A.
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.
Shown in Fig. 7 (a1), (a2), when acting on this lever 4, lever 4 is not the posture of standing along the external force of rotating lever 4 directions (power of the direction of representing with arrow L or R).At this moment, 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 all is contacted with common junction.
Therefore, when lever 4 is kept 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 all is in the state that switch cuts out (disconnection).
For as the aforesaid lever 4 that is in stance, when applying the external force of the direction of representing with arrow L or R, this lever 4 is a fulcrum with rotating shaft 40, to the rotation of this direction.For example, if adopt the external force of the direction of being represented by arrow L to rotate this lever 4 to the left, then lever 4 and pushing cam 41 rotate to the rotation direction (left side) of lever 4 according to this rotational angle as Fig. 7 (b1), (b2).
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 owing to the left side shoulder 4C of the pushing cam 41 that rotates to the left, be urged simultaneously and descend, 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, shown in Fig. 7 (b1), according to the slip of the travelling contact 71,73 on above-mentioned right side, at first between contact apart from the L1 independent contact 61 (first contact action) on travelling contact 71 this switch portion of contact 3A right sides on the right side of the first short switch portion 3A.And shown in Fig. 7 (c2),, be later than described first contact action, contact the independent contact 63 (back contact action) on this switch portion 3B right sides between contact apart from L2 than the travelling contact 73 on the right side of the long 3B of second switch portion by lever 4 is further rotated to the left.
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)).
At this moment, 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 among the 3B of second switch portion.Therefore, in the 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 in the state that switch cuts out (disconnection).And the independent contact 62,64 in left side is all kept the state that does not contact common junction 5 among first and second switch portion 3A, the 3B, therefore is in the switch closed condition.
According to above-mentioned back 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)).
At this moment, the independent contact 61 on the right side of the first switch portion 3A is kept the state (with reference to Fig. 7 (c1)) of aforesaid first contact action.Thereby in the step of back contact action, independent contact 63 boths 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 are 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 all is in switch and closes (disconnection) state.
And, among Fig. 7 (b1), lever 4 is when rotational value 25 is spent to the left, the independent contact 61 on the right side of the first switch portion 3A is in the switch open state, in Fig. 7 (c2), this lever 4 further turns to 42 when spending to the left, and the independent contact 63 on the right side of the 3B of second switch portion is in the state of 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 shown in Fig. 8 (d1), (d2), the maximum rotation angle that lever 4 can rotate to the left is 65 degree, and the angle that lever 4 can rotate to the right is 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, then 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, and the independent contact 61,63 on the right side of two switch portion 3A, 3B is in switch and closes (disconnection) state.
Shown in Fig. 7 (a1), (a2), when the lever 4 that will be in stance with the external force of arrow R direction rotates to the right, as mentioned above, action when rotating to the left with lever 4 is identical, at first the independent contact 62 (first contact action) on the right side of travelling contact 72 this switch portion of contact 3A in the left side of the first switch portion 3A that lacks apart from L1 between contact is in the switch open state with this.And, after a while, apart from the independent contact 64 (back contact action) of L2, be in the switch open state between contact with this than travelling contact 74 this switch portion of contact 3B left sides in the left side of the long 3B of second switch portion.And, if remove the external force of the above-mentioned arrow R direction that acts on lever 4, then by with action identical when the external force of the releasing arrow L of preceding explanation direction, the independent contact 62,64 in the left side of two switch portion 3A, 3B all is in switch and closes (disconnection) state.
Lever switch utilize example
As the example of utilizing of lever switch LS of the present invention, can consider example such as the zoom operation switch that is used in digital slr camera or Digital Video.
The described utilization in the example for example, when by the lever 4 of lever switch LS of the present invention is rotated a little to the left, when only making the independent contact 61 on the right side of the first switch portion 3A become the switch open state, based on this start signal, can be carried out the low speed amplification.When by this lever 4 is further rotated to the left, when making the independent contact 63 on the right side of the 3B of second switch portion also become the switch open state,, can carry out high speed amplification etc. based on this start signal.In view of the above, can realize that the two-part that amplifies speed switches by the rotating operation of the lever 4 of direction to the left.
And, when by lever 4 is rotated a little to the right, when only making the independent contact 62 on the right side of the first switch portion 3A become the switch open state,, can carry out the low speed amplification based on this start signal.When by this lever 4 is further rotated to the right, when making the independent contact 64 on the right side of the 3B of second switch portion also become the switch open state,, can carry out high speed amplification etc. based on this start signal.In view of the above, can realize that the two-part that amplifies speed switches by the rotating operation of the lever 4 of direction to the right.
More than among the lever switch LS of Shuo Ming embodiment, its concrete structure is to be provided with from common junction 5 to independent contact between 61,62 contacts apart from the second switch portion 3B long apart from L2 between the short first switch portion 3A of L1 and its contact, if lever 4 is rotated to a direction, at first, contact the independent contact 61 (first contact action) of this switch portion 3A one side between contact than the travelling contact 71 of the side of the first short switch portion 3A apart from L1, therefore its independent contact 61 by the contact brush 7A of this switch portion 3A with common junction 5 conductings, thereby be in the switch open state.And, after a while, contact the independent contact 63 (back contact action) of this switch portion 3B one side between contact than the travelling contact 73 of the side of the long 3B of second switch portion apart from L2, therefore this independent contact 63 by the contact brush 7B of this switch portion 3B with common junction 5 conductings, thereby be in the switch open state.In view of the above, the rotation owing to passing through to the lever 4 of a direction obtains the switch open state twice, therefore passes through the rotating operation to the lever 4 of a direction, the two-part switching of processing actions such as the zoom rate that illustrates before can be implemented in.
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; Be used for operating simultaneously the lever of described first and second switch portion,
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 shared common junction of described 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; The contact brush is disposed on the contact,
Distance is set to distance between the contact of described first switch portion to compare between the contact of described second switch portion distance shorter between the contact from described common junction to independent contact,
The described contact brush of described first and second switch portion forms by rubber-like long and thin metal bending tablet is become to be similar to upside-down triangle shape, and the base of upside-down triangle shape is towards the direction of described slit and be provided with, all the other both sides of this upside-down triangle shape intersect on the inside bottom surface of the female portion, with the two ends on the both sides of this intersection as two travelling contacts
The upper end of described lever is outstanding to the outside from the slit of described upper body, the lower end side of this lever possesses by the rotating shaft that bearing groove supported 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 a fulcrum with described rotating shaft, length direction along described slit rotates
If described lever is rotated to a direction,
Then the pushing cam of base one side of the contact brush of described first and second switch portion by this lever is urged simultaneously and descends, and the 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
At first, distance contacts the independent contact of this first switch portion, one side between contact than the travelling contact of a side of short described first switch portion, in view of the above the independent contact of a side of this first switch portion by this first switch portion the contact brush and with the common junction conducting, thereby be in the switch open state
Afterwards, the travelling contact of one side of the described second switch portion that distance is long between contact contacts the independent contact of this second switch portion one side, in view of the above the independent contact of a side of this second switch portion by this second switch portion the contact brush and with the common junction conducting, thereby be in the switch open state.
2. lever switch according to claim 1, the section that it is characterized in that described pushing cam is semilune, the par of this first quarter moon is contacted with the base of described contact brush, and the shoulder on the border of the arc sections of this first quarter moon 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 the shoulder of described pushing cam and contacting of this locking groove, limits the rotational angle of described lever.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-239532 | 2009-10-16 | ||
| JP2009239532A JP5358391B2 (en) | 2009-10-16 | 2009-10-16 | Lever switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102044370A true CN102044370A (en) | 2011-05-04 |
| CN102044370B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204199A (en) * | 2016-12-16 | 2018-06-26 | 德昌电机(深圳)有限公司 | Switching device |
| CN110268496A (en) * | 2017-03-13 | 2019-09-20 | 欧姆龙株式会社 | Switch |
Citations (5)
| 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 |
| JP2008277304A (en) * | 2008-06-03 | 2008-11-13 | Mic Electron Co | 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 (2)
| 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 |
-
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 (5)
| 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 |
| JP2008277304A (en) * | 2008-06-03 | 2008-11-13 | Mic Electron Co | Lever switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204199A (en) * | 2016-12-16 | 2018-06-26 | 德昌电机(深圳)有限公司 | Switching device |
| CN110268496A (en) * | 2017-03-13 | 2019-09-20 | 欧姆龙株式会社 | Switch |
| CN110268496B (en) * | 2017-03-13 | 2021-03-30 | 欧姆龙株式会社 | Switch with a switch body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102044370B (en) | 2014-08-20 |
| JP5358391B2 (en) | 2013-12-04 |
| KR101630242B1 (en) | 2016-06-14 |
| JP2011086550A (en) | 2011-04-28 |
| KR20110042021A (en) | 2011-04-22 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20181018 |