JP2014224854A - Pedal device and musical instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pedal device and a musical instrument for preventing a user from getting injured even when his or her fingertip is caught.SOLUTION: The pedal device includes: a pedal 5 whose rear end part 5b is attached to the upper part of a base member 4 in a vertically rotatable manner; a spring member 13 configured to energize a top end part 5a side of the pedal 5 upward; and a cover case 9 covering the rear end part 5b side of the pedal 5. The cover case 9 includes: a fixed cover part 10 fixed to the base member 4; and a movable cover part 11 attached to the fixed cover part 10 in a vertically displaceable manner. Therefore, even when the fingertip of the finger is caught between the pedal 5 and the cover case 9 in the depressing operation of the pedal 5, not only the fingertip but also the movable cover part 11 of the cover case 9 can be displaced to the upper side in accordance with the upward restoring operation of the pedal 5. Thus, it is possible for a user to safely perform the depressing operation of the pedal 5 without getting injured even when his or her fingertip is caught.

Description

  The present invention relates to a pedal device such as a foot keyboard that operates in response to a stepping operation and a musical instrument including the pedal device.

  For example, in a pedal device such as a foot keyboard, as described in Patent Document 1, a rear end portion, which is one end portion of a pedal, is attached to the pedal case so as to be rotatable in the vertical direction, and the other end portion of the pedal is attached. There is known a structure in which the front end of the pedal is protruded from the inside of the pedal case and the pedal is rotated in the vertical direction by stepping on the front end of the protruding pedal.

JP 09-212160 A

  In such a pedal device, a finger stop member is provided on the pedal so that the fingertip is not sandwiched between the pedal and the pedal case when the pedal is depressed, and the position of the fingertip is regulated by the finger stop member. It is configured.

  However, since such a pedal device has a configuration in which a finger stopper member is provided on the upper surface of the pedal, an installation position for installing the finger stopper member becomes a problem. For example, when the finger stopper member is provided inside the pedal case, even if the position of the fingertip is restricted, the fingertip of the foot is sandwiched between the pedal and the pedal case.

  Further, when the finger stopper member is provided inside the pedal insertion opening of the pedal case, a gap is generated between the finger stopper member and the pedal case, and there is a possibility that a fingertip of the foot is caught in the gap. Furthermore, when the finger stopper member is provided outside the pedal case, the finger stopper member is always exposed to the outside, so that the appearance of the entire pedal device is impaired, which is not preferable in terms of design.

  The problem to be solved by the present invention is to provide a pedal device and a musical instrument that do not cause injury even if a fingertip is pinched.

  The present invention includes a base member, a pedal having one end portion rotatably mounted on the base member, an urging member that urges the other end side of the pedal upward, and the base. A fixed cover portion fixed to the member; and a movable cover portion attached to the fixed cover portion so as to be displaceable in the vertical direction, and the one end portion of the pedal in a state where the other end portion side of the pedal is exposed. And a cover case covering the side.

  According to this invention, even when the toes of the foot are sandwiched between the pedal and the cover case when the pedal is depressed, the movable cover portion of the cover case is moved upward together with the toes of the toe along with the returning operation of the pedal. Therefore, it is possible to safely depress the pedal without causing injury even if the fingertip is pinched.

It is the perspective view which showed one Embodiment which applied the pedal apparatus of this invention to the keyboard musical instrument. It is the enlarged plan view of the principal part which showed the pedal apparatus of the keyboard musical instrument shown by FIG. It is an expanded sectional view of the principal part in the AA arrow view of the pedal apparatus shown by FIG. FIG. 4 is an enlarged cross-sectional view of a main part showing a state where a pedal of the pedal device shown in FIG. 3 is depressed and pushed down. FIG. 5 is an enlarged cross-sectional view of a main part showing a state where a toe is sandwiched between a pedal and a movable cover part of the pedal device shown in FIG. 4. FIG. 6 is an enlarged cross-sectional view of a main part showing a state in which the movable cover portion is pushed up together with the toes of the foot in accordance with the operation in which the distal end side of the pedal returns upward in the pedal device in the state shown in FIG. 5.

Hereinafter, an embodiment in which the present invention is applied to a pedal device for a keyboard instrument will be described with reference to FIGS.
As shown in FIG. 1, the keyboard instrument 1 includes a musical instrument case 2. Inside the musical instrument case 2, a keyboard portion 2a in which a plurality of keys are arranged in parallel is provided in a state of being exposed upward, and a pair of leg portions 2b are provided on both sides of the musical instrument case 2. Is provided.

  The keyboard instrument 1 includes a pedal device 3 as shown in FIGS. The pedal device 3 is provided at a lower portion between the pair of leg portions 2b. That is, the pedal device 3 includes a base member 4 that is bridged between a pair of leg portions 2b of the keyboard instrument 1 and a plurality of pedal devices 3 that are provided in an intermediate portion in the longitudinal direction of the base member 4 (left-right direction in FIG. 1). (In this embodiment, three) pedals 5 are provided.

  As shown in FIGS. 1 to 3, the base member 4 is provided at a base body portion 6 that is bridged between a pair of legs 2 b of the keyboard instrument 1 and an intermediate portion in the longitudinal direction of the base body portion 6. A plurality of pedal restricting portions 7 for restricting the respective lower limit positions of the plurality of pedals 5 are provided. In this case, a plurality of pedal support portions 6 a for rotatably supporting the plurality of pedals 5 are provided on the base main body portion 6. The plurality of pedal restricting portions 7 are provided so as to protrude from the intermediate portion of the base main body portion 6 toward the front side (left side in FIG. 3).

  As shown in FIGS. 2 and 3, each of the plurality of pedals 5 has a circular arc shape on each tip 5a side (left end portion in FIG. 3) and a rectangular shape on each rear end portion 5b (right end portion in FIG. 3). Is formed. In this case, the pedal 5 has a configuration in which a frame-shaped edge portion 5c continuous along the outer periphery thereof is formed in a suspended state.

  Further, as shown in FIG. 3, the rear end portion 5b of the pedal 5 is attached to the pedal support portion 6a of the base member 4 so as to be vertically rotatable by a support shaft 6b. Thus, the pedal 5 is configured such that the lower limit position is regulated by the lower surface in the distal end portion 5a abutting on and coming into contact with the abutting portion 7a provided at the distal end portion of the pedal regulating portion 7. Yes.

  Incidentally, the base member 4 is provided with a cover member 8 that covers the base body 6 as shown in FIGS. 1 and 2. The cover member 8 is provided on the base body portion 6 except for an intermediate portion of the base body portion 6 of the base member 4, that is, a portion where the plurality of pedals 5 are disposed. Further, as shown in FIG. 2 and FIG. 3, the rear end portions 5 b of the plurality of pedals 5 are provided at the intermediate portion of the base member 4 with the front end portions 5 a of the plurality of pedals 5 exposed. A cover case 9 for covering is provided.

  As shown in FIGS. 2 and 3, the cover case 9 is fixed to the base body portion 6 of the base member 4 and attached to the fixed cover portion 10 so as to be vertically displaceable. The movable cover part 11 is provided. The fixed cover portion 10 is provided upright on the base body portion 6 located behind the rear end portion 5b of the pedal 5 (right side in FIG. 3). The movable cover portion 11 is rotatably attached to the upper end portion of the fixed cover portion 10 by a hinge portion 12 while being positioned above the pedal 5.

  That is, as shown in FIG. 3, the movable cover portion 11 includes an upper plate portion 11a positioned above the base body portion 6 of the base member 4, and a front end portion (left end portion in FIG. 3) of the upper plate portion 11a. And a front plate portion 11b that is slanted and slanted toward the front side, and a pedal insertion groove 11c into which a plurality of pedals 5 are movably inserted in the vertical direction is provided below the front plate portion 11b. It is the structure provided open to.

  As shown in FIGS. 3 and 4, the pedal insertion groove 11 c has a length in the arrangement direction of the plurality of pedals 5 that is substantially the same as a length in a direction perpendicular to the longitudinal direction of the pedals 5, and an upper end portion thereof is The pedal 5 is positioned at substantially the same height as the upper surface at the upper limit position of the pedal 5, and the pedal 5 is configured to move in the vertical direction in this state.

  Further, as shown in FIGS. 3 and 4, a spring member 13 is provided between the movable cover portion 11 and the pedal 5. The spring member 13 is a coil spring, and an upper end that is one end thereof is attached to the lower surface of the upper plate portion 11a of the movable cover portion 11, and a lower end that is the other end is attached to the upper surface of the pedal 5. In this state, the pedal 5 and the movable cover portion 11 are attracted to each other so as to urge the pedal 5 in the direction of lifting the tip portion 5a side.

  In this case, as shown in FIGS. 3 and 4, the upper limit position of the pedal 5 is restricted by the first restricting portion 14. The first restricting portion 14 is the upper surface of the rear end portion (the right end portion in FIG. 3) of the base main body portion 6 of the base member 4, and the lower surface of the rear end portion 5b of the pedal 5 abuts on and away from it. The upper limit position of the pedal 5 is restricted, and the position of the pedal 5 is restricted to a substantially horizontal state.

  Further, as shown in FIG. 3, the lower limit position of the movable cover portion 11 is restricted by the second restricting portion 15. The second restricting portion 15 is provided at the upper part of the inner surface of the fixed cover portion 10 located in the vicinity of the hinge portion 12, and the lower surface of the upper plate portion 11 a of the movable cover portion 11 located in the vicinity of the hinge portion 12 is contacted and separated. The lower limit position of the movable cover portion 11 is regulated by abutting it as possible.

  As a result, as shown in FIG. 3, the pedal 5 is pulled up by the spring force of the spring member 13 so that the pedal 5 and the movable cover portion 11 are attracted to each other. 5 is configured such that the lower surface of the rear end portion 5b abuts on the first restricting portion 14 of the base member 4 and is regulated to the upper limit position, which is the initial position, and held in a substantially horizontal state.

  Further, as shown in FIG. 3, the movable cover portion 11 is located near the hinge portion 12 because the pedal 5 and the movable cover portion 11 are attracted to each other by the spring force of the spring member 13. 11 is configured such that the lower surface of 11 is in contact with the second restricting portion 15 provided on the upper surface of the fixed cover portion 10 located in the vicinity of the hinge portion 12 and is regulated to the lower limit position which is the initial position. .

Next, the operation of the pedal device 3 of the keyboard instrument 1 will be described.
As shown in FIG. 3, the pedal device 3 normally has the pedal 5 and the movable cover portion 11 attracted to each other by the spring force of the spring member 13. For this reason, while the front-end | tip part 5a side of the pedal 5 is pulled up in the substantially horizontal state, the movable cover part 11 is pulled down, and the upper end part of the pedal insertion groove 11c provided in the front board part 11b of the movable cover part 11 is a pedal. Approach the top surface of 5.

  At this time, as shown in FIG. 3, the lower surface of the rear end portion 5b of the pedal 5 comes into contact with the first restricting portion 14 of the base member 4, and the pedal 5 is restricted to the upper limit position which is the initial position. Further, the lower surface of the movable cover portion 11 located in the vicinity of the hinge portion 12 comes into contact with the second restricting portion 15 provided on the upper inner surface of the fixed cover portion 10 located in the vicinity of the hinge portion 12, so that the movable cover portion 11 is regulated to the lower limit position which is the initial position.

  In this state, when the pedal 5 is stepped on with a foot, the pedal 5 counterclockwise around the support shaft 6b of the pedal support portion 6a of the base member 4 against the spring force of the spring member 13, as shown in FIG. Rotating around, the tip 5a side of the pedal 5 is pushed down. At this time, with the movable cover portion 11 being restricted to the lower limit position by the second restricting portion 15, the lower surface in the distal end portion 5 a of the pedal 5 is in contact with the distal end portion of the pedal restricting portion 7 of the base member 4. The lower limit position of the pedal 5 is regulated in contact with the upper surface of the portion 7a.

  When the depression of the pedal 5 is released, the pedal 5 is rotated clockwise around the support shaft 6b of the pedal support portion 6a of the base member 4 by the spring return force of the spring member 13, and the distal end portion 5a side of the pedal 5 is Be raised. At this time, as shown in FIG. 3, the lower surface of the rear end portion 5b of the pedal 5 comes into contact with the first restricting portion 14 of the base member 4, the pedal 5 is restricted to the upper limit position, and the pedal 5 returns to the initial position. . In this way, the depression operation of the pedal 5 is performed.

  By the way, if the toe F of the foot is sandwiched between the pedal 5 and the movable cover portion 11 of the cover case 9 as shown in FIG. With the return operation of the pedal 5 to the initial position, the movable cover portion 11 of the cover case 9 rotates and moves upward together with the toe F of the foot.

  That is, when the pedal 5 is depressed, as shown in FIG. 5, when the toes F are sandwiched between the pedal 5 and the movable cover portion 11 of the cover case 9, As shown in FIG. 6, the pedal 5 rotates clockwise around the support shaft 6b of the pedal support 6a by the spring force of the spring member 13, and the tip 5a side of the pedal 5 is pulled up.

  At this time, as shown in FIG. 6, the toe F of the foot is pushed up with the lifting operation on the tip 5 a side of the pedal 5, and the movable cover portion 11 of the cover case 9 is pushed up with the pushing up of the toe F of the foot. Is pushed up together with the toes F of the toes. For this reason, the movable cover part 11 rotates clockwise around the hinge part 12 and is pushed up. At this time, the spring member 13 does not expand and contract and moves upward together with the movable cover portion 11 and the pedal 5 as it is.

  Thereby, even if the toe F of the foot is sandwiched between the pedal 5 and the movable cover portion 11, a large load is not applied to the toe F of the foot by the spring force of the spring member 13. For this reason, even if the toe F of the foot is sandwiched between the pedal 5 and the movable cover portion 11, the pedal 5 can be safely depressed without being injured.

  As described above, according to the pedal device 3 of the keyboard instrument 1, the pedal 5 having the rear end portion 5b rotatably mounted on the base member 4 and the front end portion 5a side of the pedal 5 upward. And a cover case 9 that covers the rear end 5b side of the pedal 5, and the cover case 9 is fixed to the base member 4 and the fixed cover portion. 10 is provided with a movable cover portion 11 attached to be displaceable in the vertical direction, so that even if the toes F of the foot are sandwiched between the pedal 5 and the pedal case 9, there is no injury and the pedal 5 can be safely Can be operated.

  That is, in the pedal device 3, when the pedal 5 is depressed and the pedal 5 is operated, if the toe F of the foot is sandwiched between the pedal 5 and the pedal case 9, the pedal 5 is pulled up by the spring force of the spring member 13. When this is done, the movable cover portion 11 of the cover case 9 together with the toes F of the foot can be displaced reliably and satisfactorily.

  For this reason, in this pedal device 3, even if the toe F of the foot is pinched, there is no injury and the pedal 5 can be safely depressed. This is particularly effective for safety measures for small children, and it is not necessary to provide another part such as a finger stopper on the pedal 5, so that the number of parts can be reduced and an externally preferable one can be provided. it can.

  In this case, the fixed cover portion 10 of the cover case 9 is provided upright on the base member 4 positioned behind the rear end portion 5 b of the pedal 5, and the movable cover portion 11 is positioned above the pedal 5. In this state, the upper end portion of the fixed cover portion 10 is attached to the upper end portion of the fixed cover portion 10 so as to be vertically rotatable by the hinge portion 12, so that the toes F of the foot are sandwiched between the pedal 5 and the movable cover portion 11. When the spring member 13 is pulled up by the spring force of the spring member 13, the movable cover portion 11 can be rotated smoothly and satisfactorily with the hinge portion 12 as the center.

  Further, since the spring member 13 is provided between the pedal 5 and the movable cover portion 11 and is configured to pull the pedal 5 and the movable cover portion 11 together in this state, the function of lifting the pedal 5 and the movable cover are provided. The function of pulling down the portion 11 can be shared by the single spring member 13, thereby reducing the number of parts, simplifying the structure, and simplifying the assembly work. Can do.

  That is, the spring member 13 is a coil spring, and an upper end that is one end thereof is attached to the lower surface of the upper plate portion 11 a of the movable cover portion 11, and a lower end that is the other end is attached to the upper surface of the pedal 5. In this state, the pedal 5 and the movable cover portion 11 are pulled together, so that the one spring member 13 can reliably pull up the distal end portion 5a side of the pedal 5, and the movable cover portion 11 can be securely attached. Can be lowered.

  In addition, the pedal device 3 includes the first restricting portion 14 that restricts the upper limit position of the pedal 5 and the second restricting portion 15 that restricts the lower limit position of the movable cover portion 11. When the pedal 5 and the movable cover portion 11 are attracted to each other by the spring force, the pedal 5 and the movable cover portion 11 can always be reliably and satisfactorily regulated at the initial position.

  That is, in this pedal device 3, even if the distal end portion 5 a side of the pedal 5 is pulled up by the spring force of the spring member 13, the upper limit position of the pedal 5 can be regulated by the first regulating portion 14, and the spring member 13 Even if the movable cover portion 11 is pulled down by the spring force, the lower limit position of the movable cover portion 11 can be restricted by the second restricting portion 15, so that the pedal 5 and the movable cover portion 11 can always be surely placed at the initial position. The position can be well regulated.

  In this case, the 1st control part 14 is the upper surface of the rear-end part in the base main-body part 6 of the base member 4, and when the lower surface of the rear-end part 5b of the pedal 5 contact | abuts so that a contact / separation is possible, the spring member 13 of FIG. When the pedal 5 is pulled up by the spring force, the pedal 5 can be reliably restricted to the upper limit position that is the initial position.

  Moreover, the 2nd control part 15 is provided in the inner surface upper part of the fixed cover part 10 located in the vicinity of the hinge part 12, and the lower surface of the movable cover part 11 located in the vicinity of the hinge part 12 contacts so that contact / separation is possible. Thereby, when the movable cover part 11 is pulled down by the spring force of the spring member 13, the movable cover part 11 can be reliably regulated to the lower limit position which is an initial value.

  In the embodiment described above, the case where the pedal 5 and the movable cover portion 11 are configured to be attracted to each other by one spring member 13 is described. However, the present invention is not limited to this, and for example, the first spring member that pushes up the pedal 5 is used. And the structure provided with the 2nd spring member which pulls down the movable cover part 11 may be sufficient. In this case, the first spring member is provided between the pedal 5 and the base member 4, and the second spring member is provided between the movable cover portion 11 and the fixed cover portion 10, or the movable cover portion 11 and the base member. 4 may be provided.

  In the above-described embodiment, the case where the movable cover portion 11 is attached to the upper end portion of the fixed cover portion 10 so as to be rotatable in the vertical direction by the hinge portion 12 is described. 10 may be configured such that the movable cover 11 is slidably attached in the vertical direction.

  Furthermore, in the above-described embodiment, the case where the present invention is applied to a keyboard of a keyboard instrument has been described. can do. Moreover, it does not necessarily need to be a musical instrument, and can be applied to a device that operates in response to a stepping operation.

As mentioned above, although one Embodiment of this invention was described, this invention is not restricted to this, The invention described in the claim and its equal range are included.
The invention described in the claims of the present application will be appended below.

(Appendix)
According to the first aspect of the present invention, a base member, a pedal having one end portion rotatably attached to the base member, and a biasing force that biases the other end portion of the pedal upward. A member, a fixed cover portion fixed to the base member, and a movable cover portion attached to the fixed cover portion so as to be displaceable in the vertical direction, with the other end portion side of the pedal exposed. And a cover case that covers the one end side of the pedal.

  According to a second aspect of the present invention, in the pedal device according to the first aspect, the fixed cover portion is provided upright on the base member positioned on the one end portion side of the pedal, and the movable cover portion. Is a pedal device that is rotatably attached to an upper end portion of the fixed cover portion by a hinge portion while being positioned above the pedal.

  According to a third aspect of the present invention, in the pedal device according to the first or second aspect, the urging member is provided between the pedal and the movable cover portion, and in this state, the pedal and the pedal The pedal device is characterized in that the movable cover portion is pulled toward each other.

  According to a fourth aspect of the present invention, in the pedal device according to any one of the first to third aspects, the first restricting portion that restricts the upper limit position of the pedal and the lower limit position of the movable cover portion are restricted. The pedal device includes a second restricting portion.

  The invention according to claim 5 is a musical instrument comprising the pedal device according to any one of claims 1 to 4.

DESCRIPTION OF SYMBOLS 1 Keyboard instrument 2 Musical instrument case 2a Keyboard part 2b A pair of leg part 3 Pedal apparatus 4 Base member 5 Pedal 5a Front-end | tip part 5b Rear end part 6 Base main-body part 7 Pedal control part 9 Cover case 10 Fixed cover part 11 Movable cover part 12 Hinge Part 13 Spring member 14 First restriction part 15 Second restriction part F Toe tip

Claims (5)

A base member;
A pedal with one end rotatably mounted on the base member in the vertical direction;
A biasing member that biases the other end of the pedal toward the upper side;
A fixed cover portion fixed to the base member; and a movable cover portion attached to the fixed cover portion so as to be vertically displaceable, with the other end side of the pedal being exposed, the pedal of the pedal A cover case covering one end side;
A pedal device comprising:   The pedal device according to claim 1, wherein the fixed cover portion is provided upright on the base member located on the one end portion side of the pedal, and the movable cover portion is located above the pedal. In the state, the pedal device is rotatably attached to the upper end portion of the fixed cover portion by a hinge portion.   3. The pedal device according to claim 1, wherein the biasing member is provided between the pedal and the movable cover portion, and pulls the pedal and the movable cover portion toward each other in this state. Pedal device characterized by   The pedal device according to any one of claims 1 to 3, further comprising: a first restricting portion that restricts an upper limit position of the pedal; and a second restricting portion that restricts a lower limit position of the movable cover portion. A pedal device characterized by that. A musical instrument comprising the pedal device according to any one of claims 1 to 4.

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