Actuator and haptic device
阅读说明:本技术 致动器及触觉装置 (Actuator and haptic device ) 是由 武居勇一 于 2019-07-25 设计创作,主要内容包括:本发明提供一种致动器及触觉装置,能够确实地防止收容于筒状的壳体的支撑体的脱落。收容于壳体(20)而保持线圈(31)的固持器构件(30)的固持器侧板部(34)具有第一凸部(332)与第二凸部(334),第一凸部(332)在第一方向(Z)上的一侧(Z1)与第一壳体盖板部(211)卡合,第二凸部(334)在第一方向(Z)上的另一侧(Z2)与第二壳体盖板部(221)卡合。第一壳体盖板部(211)卡止于第一凸部(332),并且第二壳体盖板部(221)卡止于第二凸部(334),因此即使第一壳体侧板部(212)或第二壳体侧板部(222)打开,也能够防止支撑体(11)从壳体(20)脱落。(The invention provides an actuator and a haptic device, which can reliably prevent a support body accommodated in a cylindrical shell from falling off. A holder-side plate (34) of a holder member (30) that is housed in a case (20) and holds a coil (31) has a first protrusion (332) and a second protrusion (334), one side (Z1) of the first protrusion (332) in the first direction (Z) engages with a first case cover plate (211), and the other side (Z2) of the second protrusion (334) in the first direction (Z) engages with a second case cover plate (221). The first case cover plate (211) is locked to the first protrusion (332), and the second case cover plate (221) is locked to the second protrusion (334), so that the support body (11) can be prevented from falling off the case (20) even if the first case side plate (212) or the second case side plate (222) is opened.)
1. An actuator, comprising:
a movable body;
a support body;
a connecting body including at least one of elasticity and viscoelasticity, and disposed so as to be in contact with both the movable body and the support body at a position where the movable body and the support body face each other; and
a magnetic drive circuit including an air-core coil provided on one member of the movable body and the support, and a permanent magnet provided on the other member of the movable body and the support so as to face at least one side of the coil in a first direction, the magnetic drive circuit vibrating the movable body relative to the support in a second direction intersecting the first direction; and is
The support body includes:
a holder member holding any one of the coil and the permanent magnet;
a first housing member that covers and is locked to the holder member on one side in the first direction; and
a second housing member covering and locked to the holder member on the other side in the first direction;
the first housing member includes: a first housing cover portion that covers the holder member on one side in the first direction; and a first housing side plate portion provided extending from one side to the other side in the first direction and from the first housing cover plate portion, and covering the holder member on both sides in the second direction;
the second housing member includes: a second housing cover portion covering the holder member on the other side in the first direction; and a second housing side plate portion provided extending from the other side in the first direction to one side and from the second housing cover plate portion, and covering the holder member on both sides in the second direction;
the holder means includes a holder side plate portion that coincides with the first case side plate portion and the second case side plate portion,
the side plate portion of the holder is formed,
a first end portion on one side in the first direction, having a first convex portion engaged with the first housing cover plate portion,
the second end portion on the other side in the first direction has a second protruding portion that engages with the second case cover plate portion.
2. The actuator of claim 1, wherein
The first housing cover portion includes a notch to be fitted with the first projection,
the second housing cover includes a notch that fits into the second protrusion.
3. An actuator according to claim 1 or 2, wherein
In the first direction, the first direction is parallel to the second direction,
the height of the first projection is equal to or greater than the thickness of the first housing cover,
the height of the second projection is equal to or greater than the thickness of the second housing cover.
4. An actuator according to any of claims 1 to 3, wherein
The holder side plate portion includes a third convex portion protruding in the second direction,
the first convex part and the second convex part are formed by extending the third convex part to two sides in the first direction in a columnar shape,
the third projection engages with an end surface of the first case side plate and an end surface of the second case side plate in a third direction orthogonal to the first direction and the second direction.
5. An actuator according to any of claims 1 to 4, wherein
The second case side plate portion is at least partially covered over the first case side plate portion as viewed from the second direction,
the holder side plate portion includes:
a first locking projection for locking the first housing side plate; and
a second locking projection for locking the second housing side plate; and is
The second locking projection is provided on the other side in the first direction than the end of the first case side plate in the first direction.
6. An actuator according to any of claims 1 to 5, wherein
At a position where the movable body faces the first case member and the second case member,
the connecting body is configured to be in contact with both the movable body and a housing member, the housing member being the first housing member and the second housing member.
7. A haptic device, comprising:
a movable body;
a support body;
a connecting body including at least one of elasticity and viscoelasticity, and disposed so as to be in contact with both the movable body and the support body at a position where the movable body and the support body face each other; and
a magnetic drive circuit including an air-core coil provided on one member of the movable body and the support, and a permanent magnet provided on the other member of the movable body and the support so as to face at least one side of the coil in a first direction, the magnetic drive circuit vibrating the movable body relative to the support in a second direction intersecting the first direction; and is
The support body includes:
a holder member holding any one of the coil and the permanent magnet;
a first housing member that covers and is locked to the holder member on one side in the first direction; and
a second housing member covering and locked to the holder member on the other side in the first direction;
the first housing member includes: a first housing cover portion that covers the holder member on one side in the first direction; and a first housing side plate portion provided extending from one side to the other side in the first direction and from the first housing cover plate portion, and covering the holder member on both sides in the second direction;
the second housing member includes: a second housing cover portion covering the holder member on the other side in the first direction; and a second housing side plate portion provided extending from the other side in the first direction to one side and from the second housing cover plate portion, and covering the holder member on both sides in the second direction;
the holder means includes a holder side plate portion that coincides with the first case side plate portion and the second case side plate portion,
the side plate portion of the holder is formed,
a first end portion on one side in the first direction, having a first convex portion engaged with the first housing cover plate portion,
the second end portion on the other side in the first direction has a second protruding portion that engages with the second case cover plate portion.
Technical Field
The present invention relates to an actuator (actuator) and a haptic device that vibrate a movable body.
Background
As a device for reporting information by vibration, an actuator has been proposed which includes a movable body including a permanent magnet, and a support body including a coil facing the permanent magnet, the movable body being housed in the support body and vibrating inside the support body. The movable body and the support are incorporated in the housing (see patent document 1).
[ Prior art documents ]
[ patent document ]
[ patent document 1] Japanese patent laid-open No. 2016-127789
Disclosure of Invention
[ problems to be solved by the invention ]
As the case of the actuator, a case is exemplified in which a pair of case members having a cross section of コ letter shape are connected to each other to form a cylindrical shape as a whole, but when an impact is applied to the actuator in a state where the opening at one end side of the case is directed downward, there is a possibility that the movable body and the support body incorporated in the case may fall off from the case.
The present invention has been made in view of the above circumstances, and an object thereof is to provide an actuator and a haptic device which can reliably prevent a support body housed in a cylindrical housing from coming off.
[ means for solving problems ]
An actuator according to an embodiment of the present invention includes: a movable body; a support body; a connecting body having at least one of elasticity and viscoelasticity, and disposed so as to be in contact with both the movable body and the support body at a position where the movable body and the support body face each other; and a magnetic drive circuit including an air-core coil and a permanent magnet, the coil being provided on one member of the movable body and the support, the permanent magnet being provided on the other member of the movable body and the support so as to face at least one side of the coil in a first direction, the magnetic drive circuit vibrating the movable body relative to the support in a second direction intersecting the first direction; and the support body includes: a holder member holding any one of the coil and the permanent magnet; a first housing member that covers and is locked to the holder member on one side in the first direction; and a second housing member covering and locked to the holder member on the other side in the first direction; the first housing member includes: a first housing cover portion that covers the holder member on one side in the first direction; and a first housing side plate portion provided extending from one side to the other side in the first direction and from the first housing cover plate portion, and covering the holder member on both sides in the second direction; the second housing member includes: a second housing cover portion covering the holder member on the other side in the first direction; and a second housing side plate portion provided extending from the other side in the first direction to one side and from the second housing cover plate portion, and covering the holder member on both sides in the second direction; the holder member includes a holder side plate portion that overlaps the first case side plate portion and the second case side plate portion, and the holder side plate portion has a first protruding portion that engages with the first case cover plate portion at a first end portion on one side in the first direction, and a second protruding portion that engages with the second case cover plate portion at a second end portion on the other side in the first direction.
Further, a haptic device according to an embodiment of the present invention includes: a movable body; a support body; a connecting body having at least one of elasticity and viscoelasticity, and disposed so as to be in contact with both the movable body and the support body at a position where the movable body and the support body face each other; and a magnetic drive circuit including an air-core coil and a permanent magnet, the coil being provided on one member of the movable body and the support, the permanent magnet being provided on the other member of the movable body and the support so as to face at least one side of the coil in a first direction, the magnetic drive circuit vibrating the movable body relative to the support in a second direction intersecting the first direction; and the support body includes: a holder member holding any one of the coil and the permanent magnet; a first housing member that covers and is locked to the holder member on one side in the first direction; and a second housing member covering and locked to the holder member on the other side in the first direction; the first housing member includes: a first housing cover portion that covers the holder member on one side in the first direction; and a first housing side plate portion provided extending from one side to the other side in the first direction and from the first housing cover plate portion, and covering the holder member on both sides in the second direction; the second housing member includes: a second housing cover portion covering the holder member on the other side in the first direction; and a second housing side plate portion provided extending from the other side in the first direction to one side and from the second housing cover plate portion, and covering the holder member on both sides in the second direction; the holder member includes a holder side plate portion that overlaps the first case side plate portion and the second case side plate portion, and the holder side plate portion has a first protruding portion that engages with the first case cover plate portion at a first end portion on one side in the first direction, and a second protruding portion that engages with the second case cover plate portion at a second end portion on the other side in the first direction.
[ Effect of the invention ]
According to the present invention, it is possible to provide an actuator and a haptic device which can reliably prevent a support body housed in a cylindrical housing from coming off.
Drawings
Fig. 1 is a perspective view of an actuator as a whole, viewed from above on one side in a third direction, illustrating an example of the actuator according to the embodiment of the present invention.
Fig. 2 is a sectional view of the actuator taken along line II-II.
Fig. 3 is an exploded perspective view of the actuator with the first and second housing members removed.
Fig. 4 is a perspective view of the movable body taken out of the support body.
Fig. 5 is an exploded perspective view of the movable body.
Fig. 6 is a perspective view of a coil of the magnetic drive circuit.
Fig. 7(a) is a perspective view of the first locking protrusion, and fig. 7(B) is a side view of the first locking protrusion.
Fig. 8(a) is a perspective view of the second locking protrusion, and fig. 8(B) is a side view of the second locking protrusion.
Fig. 9(a) is a side view showing a process of covering the coil holder with the first housing member, and fig. 9(B) is a side view showing a process of further covering the coil holder with the second housing member.
Fig. 10 is a perspective view showing the function of the second locking projection.
Fig. 11 is a sectional view of a modification of the actuator.
Description of the symbols
10: actuator
11: support body
12: movable body
13: damper (connector)
20: shell body
21: first housing member
211: first housing cover plate part
212: first case side plate part
213: first shell gap (gap)
22: second housing member
221: second housing cover plate part
222: second case side plate part
223: second casing gap (gap)
30: retainer member
31: coil
332: first convex part
334: second convex part
335: third convex part
34: side plate part of holder
341: first end part
342: second end portion
37: a first stop protrusion
38: second locking protrusion
40: magnetic drive circuit
41: permanent magnet
H1: height of the first convex part
H2: height of the second convex part
T1: thickness of the first housing cover
T2: thickness of the second housing cover
X: second direction
Y: third direction
Z: a first direction
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, X is given in the vibration direction (second direction) of the
(Overall Structure)
Fig. 1 is an overall perspective view of the actuator 10 as viewed from above on a side Y1 in the third direction Y. Fig. 2 is a sectional view of the actuator 10 taken along line II-II. Fig. 3 is an exploded perspective view of the actuator 10 with the first and
As shown in fig. 1 to 3, the actuator 10 has a rectangular parallelepiped shape with its longitudinal direction oriented in the third direction Y, and information is reported to the user holding the actuator 10 by vibration of the
The actuator 10 includes: a
The
(Structure of Movable body 12)
As shown in fig. 2 to 5, the
The
When the
(Structure of support body 11 (case 20))
As shown in fig. 2 and 3, the
Also, the second case member 22 includes: a flat plate-like second case cover portion 221 that covers the
In the first housing cover portion 211 of the
The first case
On the other hand, the second case
(Structure of support body 11 (holder member 30))
As shown in fig. 3 and 4, the
The
The holder
The outer surface of the
Fig. 7(a) and 7(B) show the
Therefore, as shown in fig. 9(a), when the
Similarly, as shown in fig. 9(B), when the second case member 22 is slid from the other side Z2 to the one side Z1 in the first direction Z to cover the
At least a part of the second
(Structure of magnetic drive Circuit 40)
Fig. 6 is a perspective view of the
The first permanent magnet 411 is provided on the other side Z2 of the
(action)
When power is supplied to the
(action and Effect)
In the actuator 10, the
In the actuator 10, the first housing cover 211 of the
In the actuator 10, the height of the
In the actuator 10, the holder-
In the actuator 10, the
In the actuator 10, the
In the actuator 10, the damper 13 (see fig. 2) is provided between the
As described above, the actuator disclosed in the present specification includes: a movable body; a support body; a connecting body having at least one of elasticity and viscoelasticity, and disposed so as to be in contact with both the movable body and the support body at a position where the movable body and the support body face each other; and a magnetic drive circuit including an air-core coil and a permanent magnet, the coil being provided on one member of the movable body and the support, the permanent magnet being provided on the other member of the movable body and the support so as to face at least one side of the coil in a first direction, the magnetic drive circuit vibrating the movable body relative to the support in a second direction intersecting the first direction; and the support body includes: a holder member holding any one of the coil and the permanent magnet; a first housing member that covers and is locked to the holder member on one side in the first direction; and a second housing member covering and locked to the holder member on the other side in the first direction; the first housing member includes: a first housing cover portion that covers the holder member on one side in the first direction; and a first housing side plate portion provided extending from one side to the other side in the first direction and from the first housing cover plate portion, and covering the holder member on both sides in the second direction; the second housing member includes: a second housing cover portion covering the holder member on the other side in the first direction; and a second housing side plate portion provided extending from the other side in the first direction to one side and from the second housing cover plate portion, and covering the holder member on both sides in the second direction; the holder member includes a holder side plate portion that overlaps the first case side plate portion and the second case side plate portion, and the holder side plate portion has a first protruding portion that engages with the first case cover plate portion at a first end portion on one side in the first direction, and a second protruding portion that engages with the second case cover plate portion at a second end portion on the other side in the first direction. With this configuration, the first case cover plate portion is locked to the first convex portion, and the second case cover plate portion is locked to the second convex portion, so that the support body can be prevented from falling off from the case even if the first case side plate portion or the second case side plate portion is opened.
In the actuator disclosed in the present specification, the first housing cover portion has a notch to be fitted with the first convex portion, and the second housing cover portion has a notch to be fitted with the second convex portion. According to this configuration, the first and second protrusions do not protrude from the housing, or protrude from the housing can be suppressed, so that the appearance of the actuator is not spoiled.
In the actuator disclosed in the present specification, the height of the first protruding portion is equal to or greater than the thickness of the first housing cover portion, and the height of the second protruding portion is equal to or greater than the thickness of the second housing cover portion in the first direction. According to the above configuration, since the height of the first convex portion and the second convex portion is larger than the plate thickness of the cover plate portion, even if the cover plate portion is deformed to an extent corresponding to the plate thickness, the cover plate portion is reliably locked, and the support body can be reliably prevented from falling off from the housing.
In the actuator disclosed in the present specification, the holder side plate portion has a third convex portion protruding in the second direction, the first convex portion and the second convex portion are formed such that the third convex portion extends in a columnar shape on both sides in the first direction, and the third convex portion engages with an end surface of the first case side plate portion and an end surface of the second case side plate portion in a third direction orthogonal to the first direction and the second direction. According to the above configuration, the end surface of the first case side plate portion and the end surface of the second case side plate portion can be locked by the third convex portion, and the support body can be more reliably prevented from coming off the case.
In the actuator disclosed in the present specification, the second housing side plate portion covers at least a part of the first housing side plate portion when viewed in the second direction, the holder side plate portion includes a first locking protrusion that locks the first housing side plate portion, and a second locking protrusion that locks the second housing side plate portion, and the second locking protrusion is provided on the other side in the first direction than an end portion of the first housing side plate portion in the first direction. According to the above configuration, when the second housing member is slid toward the first housing member and covers the first housing member, the second housing side plate is first opened by the second locking projection, and therefore the end surface of the second housing side plate and the end surface of the first housing side plate can smoothly cover the second housing member without colliding with each other.
In the actuator disclosed in the present specification, the connecting body is disposed so as to be in contact with both the movable body and a housing member, the housing member being the first housing member and the second housing member, at a position where the movable body faces the first housing member and the second housing member.
Further, a haptic device disclosed in the present specification includes: a movable body; a support body; a connecting body having at least one of elasticity and viscoelasticity, and disposed so as to be in contact with both the movable body and the support body at a position where the movable body and the support body face each other; and a magnetic drive circuit including an air-core coil and a permanent magnet, the coil being provided on one member of the movable body and the support, the permanent magnet being provided on the other member of the movable body and the support so as to face at least one side of the coil in a first direction, the magnetic drive circuit vibrating the movable body relative to the support in a second direction intersecting the first direction; and the support body includes: a holder member holding any one of the coil and the permanent magnet; a first housing member that covers and is locked to the holder member on one side in the first direction; and a second housing member covering and locked to the holder member on the other side in the first direction; the first housing member includes: a first housing cover portion that covers the holder member on one side in the first direction; and a first housing side plate portion provided extending from one side to the other side in the first direction and from the first housing cover plate portion, and covering the holder member on both sides in the second direction; the second housing member includes: a second housing cover portion covering the holder member on the other side in the first direction; and a second housing side plate portion provided extending from the other side in the first direction to one side and from the second housing cover plate portion, and covering the holder member on both sides in the second direction; the holder member includes a holder side plate portion that overlaps the first case side plate portion and the second case side plate portion, and the holder side plate portion has a first protruding portion that engages with the first case cover plate portion at a first end portion on one side in the first direction, and a second protruding portion that engages with the second case cover plate portion at a second end portion on the other side in the first direction. With this configuration, the first case cover plate portion is locked to the first convex portion, and the second case cover plate portion is locked to the second convex portion, so that the support body can be prevented from falling off from the case even if the first case side plate portion or the second case side plate portion is opened.
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