JP3716457B2 - Operation button device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an operation button device that operates, for example, various switches of an electronic device, a lock portion of a lid, and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, for example, a switch provided in an electronic device has a switch body arranged inside the device housing, and an operation button device for operating the switch has an operator, a so-called knob, exposed on the outer surface side of the device housing. A movable member connected to the switch body is engaged with or coupled to the switch body inside the device housing.
[0003]
The operation button device configured as described above is configured such that the knob is pivotally mounted on the device housing side by a shaft pin so that the knob can be raised and lowered, and the knob is provided with an engaging claw to be slidably engaged. The movable member is connected to each other by screwing, welding or screwing.
[0004]
Further, when the knob is engaged with the device housing side by the engaging claw, the engaging claw holds elasticity on either side of the engaging portion on the device housing side, and the elasticity of the elastic holding portion. It is engaged by deformation.
[0005]
[Problems to be solved by the invention]
The operation button device configured as described above requires a number of steps for attaching the knob to the device housing by the shaft attachment using the shaft pin, and is attached by the elastic engagement of the engaging claw. In this case, when a force in the pulling direction is applied to the knob, the engagement may be disengaged due to elastic deformation of the engaging claw or the engaging portion, and the knob may be pulled out carelessly.
[0006]
The present invention has been made in view of the above points, and can be easily attached to the equipment housing side by the engaging operation, locked in the engaged state, can be securely attached to the equipment housing side, and is inadvertent. An object of the present invention is to provide an operation button device that does not come off.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, an operation button device according to the present invention has an operation member arranged on the outer surface side of the device housing, and a movable member engaged with the operated member inside the device housing, Either one of the operating member and the movable member is provided with an engaging portion having an engaging jaw portion engaged with the other member and having elasticity, and the other member has an engaging jaw portion. This is configured by providing a locking portion that prevents elastic deformation in a direction away from the other member .
[0008]
The operation button device configured as described above has an engagement portion having an engagement jaw portion provided on one member with the operation member and the movable member arranged on the outer side and the inner side across the wall portion of the device housing. In this engaged state, the engaging jaw is prevented from elastically deforming in a direction away from the other member by the engaging portion provided in the other member, thereby engaging one member. The joint portion is not inadvertently disengaged from the other member, and both the members, that is, the operation member and the movable member are integrated, and the operation member is operated so that the inside of the device housing can be operated via the movable member. The operated part is operated.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings, and a case where the present invention is applied to a slide-type operation button device will be described.
[0010]
1 to 5, reference numeral 1 denotes an entire slide type operation button device, and the operation button device 1 is engaged with a holding frame 2 attached to the device housing A (see FIGS. 4 and 5). It is comprised from the knob 3 as an operation member connected, and the sliding body 4 as a movable member.
[0011]
Of these, the knob 3 as an operation member is formed in a rectangular block shape in plan view so as to be slidably inserted in the longitudinal direction in the bottomed holding frame 2 having a rectangular shape in plan view. As shown in FIG. 3, a pair of protrusions 5 as engaging portions are provided on both sides of the inner surface so as to be elastically deformable inward and outward with a required distance a (see FIG. 3). An engaging jaw 5a is formed on the side. And the protrusion 5 of this knob 3 protrudes in the back surface side from the guide window hole 2b formed in the bottom part 2a at the rectangular shape in the longitudinal direction in the state which inserted the knob 3 in the holding frame 2. As shown in FIG.
[0012]
The sliding member 4 as a movable member is a plate having a substantially rectangular shape in plan view, and the engagement hole 6 into which the pair of protrusions 5 of the knob 3 are inserted and the engagement jaw 5a at the tip thereof is engaged. The guide elongated hole 7 is formed in the longitudinal direction continuously to the engagement hole 6, and reaches the vicinity of the end surface on the engagement hole 6 side with the end surface of the guide elongated hole 7 as a base end. The locking piece 8 is extended in a cantilevered manner so as to be elastically deformable.
[0013]
A pressing protrusion 9 inserted into the through hole 3 a formed in the knob 3 is provided at the free end of the locking piece 8 facing the engaging hole 6. A pressing portion 9a is formed on both side surfaces of the base portion so as to face both side surfaces of the engaging hole portion 6, and is engaged with the guide window hole 2b of the holding frame 2 substantially in the middle of the locking piece 8. The engaging projection 10 is projected. Further, an engagement connecting portion 11 that engages with an operated portion (not shown) is formed on the inner surface side of the sliding body 4, and a required distance b (see FIG. 3), the support piece 12 is extended in the transverse direction.
[0014]
The knob and the sliding body 4 formed in this way are integrally formed of a synthetic resin having elasticity, such as polypropylene resin, so that the protrusion 5 of the knob 3 and the locking piece 8 of the sliding body 4 can be elastically deformed. Become.
[0015]
As shown in FIG. 3, the assembly connection of the knob 3 and the sliding body 4 is as follows. First, the sliding body 4 is superposed on the back surface side of the holding frame 2, and the pressing protrusion 9 is moved from the guide window hole 2b to the surface. The engaging protrusion 10 is inserted into the guide window hole 2b. In this state, when the knob 3 is made to correspond to the front surface side of the holding frame 2 and the protrusion 5 is inserted between the inner side surface of the guide window hole 2b and the side surface of the pressing protrusion 9 of the sliding body 4, it is pushed in. As shown by the alternate long and short dash line, the pressing protrusion 9 is inserted into the through hole 3a, and the protrusion 5 is elastically deformed inward by the engagement jaw portion 5a being in sliding contact with the inner surface of the guide window hole 2b. The portion is in sliding contact with the side surface of the pressing protrusion 9 and is in contact with and engaged with the protruding shoulder portion of the pressing portion 9a of the base portion.
[0016]
By further pushing the knob 3 in this state, as shown by a two-dot chain line in FIG. The pressing piece 9 a is inserted into the hole 6 while being pressed, and the locking piece 8 is elastically deformed toward the back surface side of the sliding body 4 by this pressing, that is, is deformed in a direction to escape from the protrusion 5. Then, as shown by the solid line in FIG. 3, the protrusion 5 is elastically returned outward by its repulsive force when the engaging jaw 5a protrudes from the engaging hole 6 to the back side, and the engaging jaw 5a Is engaged with the rear side edge of the engagement hole 6. By the return of both the protrusions 5, the locking piece 8 is released from the pressing of the pressing portion 9 a, and thereby elastically recovers, and the free end portion, that is, the pressing portion 9 a is inserted between the both protrusions 5. The engaging jaw 5a is locked in the engaged state, the elastic deformation to the inside is prevented, and the sliding body 4 is not inadvertently detached.
[0017]
Further, in this state, the knob 3 is fitted and inserted into the holding frame 2 in contact with the bottom 2 a, and the holding frame 2 is sandwiched from the front and back by the sliding body 4.
[0018]
As shown in FIGS. 4 and 5, the holding frame 2 sandwiched between the knob 3 and the sliding body 4 is fitted into the window hole A ₁ formed in the device housing A and engaged with the inner edge thereof. The claws 13 and 14 are fixed by engaging. The sliding member 4 is engaged with an operation connecting member 11 (not shown) such as a changeover switch in the device housing A.
[0019]
As described above, the operation button device 1 attached to the device housing A presses the tip of the pressing protrusion 9 of the sliding body 4 protruding from the through hole 3a of the knob 3, as shown by a two-dot chain line in FIG. As a result, the locking piece 8 is elastically deformed inwardly, and the engaging projection 10 is disengaged from the guide window hole 2b of the holding frame 2, whereby the sliding body 4 slides relative to the holding frame 2. It becomes possible to move. In this state, as shown in FIG. 5, the engaging protrusion 10 is in sliding contact with the inner surface of the holding frame 2, the engaging piece 8 remains elastically deformed inwardly and therefore the pressing projections 9 knob 3 is held in the through hole 3a.
[0020]
When the knob 3 is returned and slid from this sliding operation state, the sliding body 4 is slid integrally therewith, and the engaging protrusion 10 of the locking piece 8 faces the guide window hole 2b of the holding frame 2. As a result, the engagement piece 8 is elastically restored, the pressing protrusion 9 is protruded from the through hole 3a of the knob 3, and the engagement protrusion 10 is engaged with the inner surface of the front end of the guide window hole 2b of the holding frame 2. The pressing protrusion 9 abuts against the inner surface of the rear end of the guide window hole 2b, whereby the knob 3 and the sliding body 4 are locked to the holding frame 2, and the operated member is held in the operated state.
[0021]
A camera-integrated video tape recorder (hereinafter referred to as a camera-integrated VTR) provided with the operation button device 1 of the present example configured as described above is shown in FIG.
[0022]
This camera-integrated VTR 21 is provided with the operation button device 1 of this example as a tape cassette take-out operation button. That is, the operation button device 1 is provided on one side of the main body 22 of the camera-integrated VTR 21 so as to be positioned in the vicinity of the tape cassette ejection lid 23. By operating the operation button device 1 as described above, The tape cassette take-out lid 23 is opened and a cassette holder (not shown) is exposed so that the tape cassette can be taken out.
[0023]
A photographing lens 24 is provided on the front side of the main body 22, a viewfinder 25 is provided on the rear side, a handle 26 is attached on the upper side, and a micro 27 is provided on the front side. Yes.
[0024]
In order to attach the operation button device 1 of this example to the camera-integrated VTR 21 configured as described above, the camera-integrated VTR 21 with the knob 3 and the sliding body 4 assembled to the holding frame 2 as described above. As shown in FIGS. 4 and 5, the holding frame 2 is fitted into a mounting window hole portion formed in a predetermined portion of the main body 22, and the engaging claws 13 and 14 are engaged with the inner edge portion.
[0025]
The embodiment of the operation button device according to the present invention has been described above. However, the present invention is not limited to this embodiment, and various modifications can be made without departing from the spirit of the present invention. The knob is formed in a shape that matches the form of the device, and the engaging portion of the sliding body can be arbitrarily changed in design in accordance with the mounting device such as a configuration corresponding to the configuration of the operated member.
[0026]
【The invention's effect】
Operating button device according to the invention as described above, equipment Napishtim of an operating member disposed on the outer surface side, that wall and a movable member in the device Napishtim body is engaged onto the operating member inside the apparatus Napishtim body The engaging portion provided on one of the operation member and the movable member is engaged with the other member, and the engaging portion provided on the other member is used to engage the one member. By configuring so that the joint portion is elastically deformed in a direction away from the other member , the operation member and the movable member are integrally connected to each other, and carelessly disengages from the device housing. Therefore, the operated member can be reliably operated, and when the operating member and the movable member are engaged, the engaging portion is separated from the engaging portion, so that the engaging portion is smoothly engaged. The workability is good, and it has the effect that it can be easily attached to the equipment housing.
[Brief description of the drawings]
FIG. 1 is a perspective view of an example of an operation button device according to the present invention.
FIG. 2 is an exploded perspective view of the operation button device shown in FIG.
FIG. 3 is a longitudinal front view of the operation button device shown in FIG. 1, and is used to explain engagement assembly.
4 is a longitudinal side view of the operation button device shown in FIG. 1, and is used for explaining an unlocking operation. FIG.
FIG. 5 is a longitudinal sectional view of the operation state of the operation button device shown in FIG.
6 is a perspective view of a camera-integrated video tape recorder provided with the operation button device shown in FIG. 1. FIG.
[Explanation of symbols]
2 Holding frame 3 Knob as operating member 4 Sliding body 5 as movable member Projection 5a Engaging jaw 6 Engaging hole 8 Engaging piece 9 Engaging piece 9 Pressing protrusion

Claims (3)

An operation member arranged on the outer surface side of the device housing;
A movable member engaged with the operated portion inside the device housing,
One of the operation member and the movable member is provided with an engagement portion having an engagement jaw portion engaged with the other member and having elasticity ,
The operation button device according to claim 1, wherein the other member is provided with a locking portion for preventing the engaging jaw portion from being elastically deformed in a direction to be disengaged from the other member . The engagement portion includes a pair of elastic protrusions protruding in directions opposite to each other of the engagement jaw portion, and the locking portion is interposed between the pair of elastic protrusions. The operation button device described. The locking portion has a plate-like portion having elasticity, and when the engaging portion is engaged, the plate-like portion is elastically deformed and the locking portion is retracted to insert the engaging portion. The operation button device according to claim 1, wherein the operation jaw device is restored after the engagement portion is inserted so that the engagement jaw portion engages with the other member .

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