JP3821696B2 - Multiple rotary electronic components - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a multi-rotation electronic component capable of locking the rotation of a lower rotary mold.
[0002]
[Prior art]
Conventionally, in various electronic parts used for portable devices such as video cameras, a plurality of rotary electronic parts are arranged up and down so as to rotate around the same rotation axis and integrated with the rotary type. There are multiple-rotation electronic components that change their electrical output by operating a rotating rotary knob.
[0003]
In this multi-rotation type electronic component, the lock pin of the lock mechanism provided on any of the upper and lower rotary electronic components is protruded from the rotation knob so that the rotation knob is normally locked. There is a configuration in which the lock can be released by pushing and the rotary knob can be rotated.
[0004]
In the multi-rotation electronic component configured as described above, the upper rotary electronic component has an installation space for providing a lock mechanism for locking it, but the lower rotary electronic component has a lock for locking it. The installation space for the mechanism is small, and providing a lock mechanism for the lower rotary electronic component complicates the structure of the multiple rotary electronic component, so a lock mechanism is provided for the lower rotary electronic component. It was difficult to provide.
[0005]
[Problems to be solved by the invention]
The present invention has been made in view of the above-mentioned points, and an object of the present invention is to provide a multi-rotation electronic component that can be reduced in size and can lock the rotation of a lower rotary object with a simple configuration. With the goal.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention arranges a rotary type rotating around the same rotation axis in the upper and lower sides, and operates a rotary knob that rotates integrally with these rotary type items, so that each electrical output In a multi-rotation electronic component that changes the angle, a lock pin is inserted into the center of rotation of the upper and lower rotary molds so as to be movable up and down, and is engaged with an engagement portion provided on the lower rotary mold. The engaging part and the stopper are engaged at the rising position of the lock pin to lock the rotation of the lower rotary type, and the engaging part and the stopper are engaged at the lowering position of the lock pin. And the rotation lock of the lower rotary type is released.
[0007]
Further, it is preferable to provide a resilient member for resiliently projecting the lock pin so that the lowered lock pin returns to the raised position.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic cross-sectional view showing a multi-rotation electronic component according to an embodiment of the present invention, and FIGS. 2, 3 and 4 are exploded perspective views of the multi-rotation electronic component. FIG. 4 is an exploded perspective view of the entire multi-rotation electronic component.
[0009]
As shown in FIG. 1, the multi-rotation electronic component is configured by arranging a second rotary electronic component 100 on a first rotary electronic component 10 so as to overlap. Specifically, the first rotary electronic component 10 includes a first substrate 20, a first rotary type (rotary knob) 30, a first click plate 40, and a shaft support member on the first base 11. 50 and a lock pin 60 are attached. On the other hand, the second rotary electronic component 100 includes the second substrate 120, the second rotary mold 130, the second click plate 140, the case 150, and the second rotary knob 160 on the second base 110. Installed and configured. Each component will be described below.
[0010]
The first base 11 is formed by molding a synthetic resin into a disc shape, and is provided with a substantially rectangular stopper accommodating portion 12 at the center thereof and six small holes 13 at the outer periphery thereof. A part of the outer peripheral surface of the first base 11 protrudes upward, and a protrusion 14 protrudes at a predetermined position on the upper surface. The first base 11 is provided with an opening 15 through which the drawer portion 22 of the first substrate 20 is pulled out of the multiple rotation electronic component.
[0011]
The first substrate 20 is a flexible substrate and is configured by providing a desired first sliding contact pattern 21 on the surface of a sheet portion formed in a substantially arc shape. At the base portion of the first substrate 20, a lead-out portion 22 that pulls this out to the outside and a connecting portion 23 that is connected to the second substrate 120 described below are drawn out in opposite directions. Two fixing holes 24 are provided in the connection portion between the first substrate 20 and the connecting portion 23.
[0012]
FIG. 5 is a perspective view of the first rotary mold 30 and components attached to the first rotary mold 30 as viewed from the lower surface side. As shown in FIGS. 4 and 5, the first rotary mold 30 is formed of a synthetic resin in a substantially disk shape, provided with a circular concave click storage portion 31 on the upper surface, and a circular opening communicating with the lower surface in the center. 32, and a ring-shaped protrusion receiving portion 33 is provided on the outer periphery of the lower surface of the first rotary mold 30, and stoppers 34 are provided at two predetermined locations of the protrusion receiving portion 33. A plurality (five in this embodiment) of engaging portions 35 and a slider storage portion 36 are provided on the outer side in the radial direction. The first rotary mold 30 is also a first rotary knob.
[0013]
In addition, the first click spring 70 in which the elastic metal plate is formed in a ring shape is stored in the click plate storage portion 31, and the small protrusion 37 provided in the click plate storage portion 31 at this time is a small hole 71 provided in the click spring 70. It is fixed by inserting it into the head and caulking its tip. An elastic portion 72 is provided at a predetermined position of the click spring 70.
[0014]
Then, the slider accommodating portion 36 accommodates the base 81 of the first slider 80 made of an elastic metal plate, and the small protrusion 38 provided in the slider accommodating portion 36 at this time is a small hole provided in the base 31. It is fixed by inserting it in 82 and caulking its tip. A slidable contact portion 83 that is bent into a U shape and protrudes from an end portion of the base portion 81 is provided.
[0015]
The first click plate 40 is made of a metal plate, provided with an opening 41 in the center, provided with small holes 42 at positions facing two projections 59 of the shaft support member 50 described below, and a plurality of click members at predetermined positions. A joint hole 43 is provided.
[0016]
Next, as shown in FIG. 3, the shaft support member 50 is a synthetic resin molded product, and the cylindrical shaft support portion protrudes from the lower surface of the substantially disk-shaped mounting portion 51, thereby penetrating through the center of the shaft support portion. A portion 53 is provided. Small holes 54 that pass therethrough are provided at three locations in the vicinity of the outer periphery of the mounting portion 51, and a concave substrate storage portion 55 that extends from the outer periphery to the insertion portion 53 is provided on the upper surface of the mounting portion 51. At six locations on the outer periphery of the mounting portion 51, there are provided recesses 56 into which six small protrusions 153 of the case 150 described below are inserted.
[0017]
FIG. 6 is a perspective view of the shaft support member 50 as viewed from the lower surface side. As shown in FIG. 3 and FIG. 3, an opening 58 for preventing rotation of the stopper 62 shown below is provided at a predetermined position on the outer periphery of the shaft support 52, and six small protrusions are formed from the lower end side thereof. 57 protrudes, and protrusions 59 are provided at two locations on the lower surface of the mounting portion 51.
[0018]
As shown in FIGS. 1, 2, and 4, the lock pin 60 includes a lock pin main body 61, a coil spring S, a stopper 62, and a screw 63. The lock pin body 61 is a cylindrical synthetic resin molded product, and a pressing portion 64 is provided on the upper portion thereof. A flange portion 64 a is provided on the outer periphery of the lower surface of the pressing portion 64. Is provided with a hole 65. Further, a small protrusion 66 protrudes downward from the outer peripheral lower end of the lock pin main body 61. The coil spring S is made of an elastic metal wire, and its inner circumference is slightly larger than the outer circumference of the lock pin main body 61. The stopper 62 is made of a substantially rectangular metal plate, and holes 67 and 68 are provided at predetermined positions at positions opposed to the hole 65 and the small projections 66, respectively. The protrusion 69 protrudes. The screw 63 is for fixing the stopper 62 to the lock pin main body 61.
[0019]
Returning to FIG. 3, the second base 110 is configured by forming a metal plate in a substantially circular shape, and a circular hole 111 is provided at the center thereof, and the outer periphery thereof is bent downward. Three tongue-like locking pieces 112 are provided, and small holes 113 are provided at six locations near the outer periphery.
[0020]
The second substrate 120 is a flexible substrate, and is configured by providing a desired second sliding contact pattern 121 on the surface of a substantially disk-shaped portion. A connecting portion 23 connected to the first substrate 20 protrudes from the outer periphery of the second substrate 120. A circular hole 122 is provided at the center of the second substrate 120, and small holes 123 are provided at five locations near the outer periphery.
[0021]
The second rotary mold 130 is formed by molding a synthetic resin into a substantially disk shape. A locking projection 131 projects from the center of the upper surface of the second rotary mold 130, and the lower surface of the first rotary mold 30 is further centered. An opening 132 is provided in communication with the. Two notches 133 are provided around the locking projection 131, and a small projection 134 is provided therein. Three penetrating arc-shaped holes 135 are provided on the upper surface of the locking projection 131. A second slider 170 made of an elastic metal plate is fixed to the lower surface of the second rotary mold 130. The second slider 170 has the same shape as the first slider 80 and is fixed to the lower surface of the second rotary mold 130 by the same method.
[0022]
The second click plate 140 is formed by forming a metal plate into a ring shape, and is provided with a plurality of click engagement holes 141, and projecting two tongue-like protrusions 143 toward the center hole 142, A small hole 144 is provided therein. The second click plate 140 is placed on the upper surface of the second rotary mold 130, so that the locking projection 131 of the second rotary mold 130 is inserted into the hole 142, and each projection 143 is cut at this time. The small protrusion 134 is inserted into the small hole 144 and positioned by being engaged with the notch 133.
[0023]
FIG. 7 is a perspective view of the case 150 and the second click spring 180 as seen from the back side. As shown in FIG. 2 and FIG. 2, the case 150 is formed by molding a synthetic resin into a circular box shape with an open bottom surface, and a through hole 151 is provided in the center of the top surface. A stopper insertion groove 152 is formed in the outer peripheral portion of the case 150. On the other hand, six small protrusions 153 protrude from the lower outer periphery of the case 150, and two small protrusions 154 protrude from the periphery of the hole 151 on the lower surface of the case 150. Yes.
[0024]
A click spring 180 formed of an elastic metal plate in a ring shape is attached to the lower surface of the case 150. At this time, the two small protrusions 154 of the case 150 are inserted into the two holes 181 provided in the click spring 180. Secure with heat caulking. The click spring 180 is provided with two elastic contact portions 182.
[0025]
FIG. 8 is a perspective view of the second rotary knob 160 as seen from the back side. The second rotary knob 160 is formed by molding a synthetic resin into a circular shape. An opening 161 is provided at the center of the second rotary knob 160. The three locking protrusions 162 project from the vicinity of the lower surface of the opening 161, and further, the vicinity of the outer periphery of the lower surface. A stopper 163 is provided in the portion.
[0026]
Next, a method for assembling the multiple rotation electronic component will be described. First, the case 150 with the click spring 180 attached to the lower surface of the second rotary knob 160 is inserted, and the locking protrusion 162 of the second rotary knob 160 is rotatably inserted into the hole 151 of the case 150 and pivotally supported.
[0027]
Next, the coil spring S is inserted into the lock pin main body 61, and the lock pin main body 61 is housed inside the locking protrusion 162 of the second rotary knob 160. At this time, the flange portion 64 a of the pressing portion 64 contacts the periphery of the lower surface of the opening 161 of the second rotary knob 160, so that the lock pin main body 61 does not come out of the opening 161.
[0028]
Next, the second rotary mold 130 to which the second slider 170 and the second click plate 140 are attached is housed in the lower surface of the case 150. At this time, the three locking projections 162 of the second rotary knob 160 are moved to the first. The second rotary knob 160 and the second rotary mold 130 are inserted into the three holes 135 of the two rotary mold 130 and the ends of the locking projections 162 protruding from the lower surface of the second rotary mold 130 are thermally crimped. Fix it together.
[0029]
Next, the second substrate 120 and the second base 110 are arranged below the second rotary mold 130, and the small protrusions 153 on the lower surface of the case 150 are inserted into the small holes 113 of the second base 110. Secure with heat caulking on the back side. At this time, the coil spring S of the lock pin 60 repels between the upper surface of the second substrate 120 and the flange portion 64 a of the lock pin main body 61.
[0030]
Next, after the lead-out portion 22 of the first substrate and the first substrate 20 are inserted into the insertion portion 53 of the shaft support member 50 from above, the second base 110 is placed on the placement portion 51 of the shaft support member 50. Then, each locking piece 112 is inserted into each small hole 54 and is bent and fixed on the back surface thereof. At this time, the connecting portion 23 passes through the substrate storage portion 55.
[0031]
Next, the click plate 40 is arranged on the lower side of the shaft support member 50, and each protrusion 59 on the lower surface of the shaft support member 50 is inserted into each small hole 42 of the click plate 40 and is fixed by heat caulking on the back surface side thereof.
[0032]
Next, the drawer portion 22 of the first substrate 20 and the portion of the first substrate 20 are inserted into the opening 32 of the first rotary mold 30 to which the first click spring 70 and the first slider 80 are attached from above, Further, the shaft support portion 52 of the shaft support member 50 is inserted into the opening 32 and is rotatably supported.
[0033]
Next, the protrusion 69 of the stopper 62 is housed in the opening 58 of the shaft support member 50 and the engagement portion 35 of the first rotary mold 30, and the lock pin main body 61 inserted into the insertion portion 53 of the shaft support member 50. A hole 68 is inserted into the small protrusion 66 provided on the lower surface, and a screw 63 is inserted into the hole 67 of the stopper 62 and the hole 65 of the lock pin main body 61 to be fixed.
[0034]
Next, with the first substrate 20 positioned under the first rotary mold 30, the first base 11 is placed under the first substrate 20, and thereby, among the six small protrusions 57 provided on the shaft support member 50. The two are inserted into the two fixing holes 24 of the first substrate 20, the drawer portion 22 is inserted into the opening 15 of the first base 11, and six small protrusions 57 are provided on the first base 11. The tips are inserted into the six small holes 13 and the tips thereof are heat caulked, thereby completing the assembly of the double-rotating electronic component. At this time, the stopper 62 of the lock pin 60 is disposed in the stopper accommodating portion 12 of the first base 11.
[0035]
Next, the operation of the double rotary electronic component will be described. In FIG. 1, if the second rotary knob 160 on the upper side is rotated, the second rotary object 130 rotates integrally therewith, and the second slider 170 slides on the first sliding contact pattern 121 of the second substrate 120. At the same time as the electrical output is changed, the elastic contact portion 182 of the second click spring 180 repeats insertion / removal to / from the click engagement hole 141 of the second click plate 140 to generate a click feeling. The rotation range of the second rotary type 130 is a range in which the stopper 163 provided on the second rotary knob 160 can move within the stopper insertion groove 152 provided on the case 150.
[0036]
FIG. 9 is an operation explanatory diagram of the first rotary mold 30. When the pressing portion 64 of the lock pin 60 is pressed from the state shown in FIG. 5A, that is, when the lock pin 60 moves to the lowered position, the protrusion 69 of the stopper 62 is engaged with the engaging portion 35 as shown in FIG. And the lock is released, and the first rotary mold 30 can be rotated. When the first rotary mold 30 is rotated while the lock pin 60 is pressed, the first slider 80 slides on the second sliding contact pattern 21 of the first substrate 20 and changes its electrical output. At the same time, the elastic contact portion 72 of the first click spring 70 repeats insertion / removal to / from the click engagement hole 43 of the first click plate 40 to generate a click sensation.
[0037]
When the lock pin 60 is released after the first rotary mold 30 is rotated, the elastic force of the coil spring S provided between the upper surface of the second substrate 120 and the lower surface of the flange 64a of the lock pin main body 61 is used. At the same time when the lock pin 60 in the lowered position returns to the raised position, the protrusion 69 of the stopper 62 engages with the engaging portion 35 and locks the first rotary mold 30 so as not to rotate (FIG. 9A). reference). The engagement portion 35 of the first rotary mold 30 has the protrusion 69 of the stopper 62 when the elastic contact portion 72 of the first click spring 70 is inserted into the click engagement hole 43 of the first click plate 40. It is provided at a position where it engages with the joint portion 35. Further, the rotation range of the first rotary mold 30 is such that the projection 14 provided on the first base 11 is between the two stoppers 34 provided on the projection accommodating portion 33 provided on the first rotary mold 30. It is a movable range.
[0038]
In other words, the double-rotating electronic component is configured such that the electrical output is changed by rotating the second rotating mold 130, while the first rotating mold 30 cannot be rotated from the locked state to the lock pin 60. Is moved to the lowered position so that the lock is unlocked, the electrical output is changed by rotating the first rotary object 30, and the lock pin 60 is moved to the raised position to lock again. It is configured as follows.
[0039]
As shown in FIG. 1, the multiple-rotation electronic component is provided so that the lock pin 60 is inserted through the central axis of the rotation shaft of the first rotation electronic component 10 and the second rotation electronic component 100. It is possible to lock the rotation of the lower rotary mold with a simple configuration.
[0040]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Is possible. Note that any shape, structure, or material not directly described in the specification and drawings is within the scope of the technical idea of the present invention as long as the effects and advantages of the present invention are exhibited.
[0041]
【The invention's effect】
As described above in detail, according to the present invention, the lock pin is inserted into the rotation center part of the upper and lower rotary molds so as to be movable up and down, and the engaging portion provided on the lower rotary mold is inserted into the lock pin. Since the stopper which engages with is provided, the size can be reduced, and the rotation of the lower rotary mold can be locked with a simple configuration.
[Brief description of the drawings]
FIG. 1 is a schematic cross-sectional view of a multi-rotation electronic component according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view (part 1) of the multi-rotation electronic component.
FIG. 3 is an exploded perspective view (No. 2) of the multi-rotation electronic component.
FIG. 4 is an exploded perspective view (part 3) of the multi-rotation electronic component.
FIG. 5 is a perspective view of a first rotary mold 30 and components attached to the first rotary mold 30 as viewed from the lower surface side.
FIG. 6 is a perspective view of a shaft member 50 as viewed from the lower surface side.
FIG. 7 is a perspective view of a case 150 and a click spring 180 as viewed from the lower surface side.
FIG. 8 is a perspective view of the second rotary knob 160 as viewed from the lower surface side.
FIG. 9 is an explanatory view of the operation of the first rotary type object 30;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 1st rotation type electronic component 11 1st base 20 1st board | substrate 30 1st rotation type thing (1st rotation knob)
40 first click plate 50 shaft support member 60 lock pin 70 first click spring 80 first slider 100 second rotary electronic component 110 second base 120 second substrate 130 second rotary type 140 second click plate 150 Case 160 Second rotary knob 170 Second slider 180 Second click spring

Claims (1)

In a multi-rotation type electronic component that arranges a rotary type rotating around the same rotation axis on the top and bottom, and operates a rotary knob that rotates integrally with the rotary type, thereby changing each electrical output,
A lock pin is inserted into the rotation center portion of the upper and lower rotary molds so as to be movable up and down, and a stopper is provided on the lock pin to engage with an engagement portion provided on the lower rotary mold,
At the raised position of the lock pin, the engagement portion and the stopper are engaged to lock the rotation of the lower rotary mold,
The multi-rotation electronic component according to claim 1, wherein the engagement portion and the stopper are not engaged with each other at the lowered position of the lock pin, and the rotation lock of the lower rotary type is released.

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