JP6069477B1 - Touch panel lock structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a touch panel capable of simplifying the structure of a hinge mechanism and improving the manufacturing accuracy of a lock mechanism portion utilizing the wedge action of the wedge member, and smoothly performing the sliding operation of the wedge member. The challenge is to provide a locking structure. A touch panel lock structure 21 according to an embodiment causes a touch panel unit 3 to rotate about a rotation shaft 24 with respect to a fixed base 4, and causes a trigger angle from a reference position of 0 ° to an arbitrary trigger angle. It is used for electronic equipment that is used in a locked state at a rotating position. A substantially L-shaped support member 22, a substantially L-shaped hinge member 23, a connecting portion 25, and a lock mechanism portion 26 are provided. The lock mechanism portion 26 includes a wedge receiving portion 27, a wedge guide portion 28, a wedge member 29, and a block member 30. And the wedge guide part 28 and the block member 30 are integrated. [Selection] Figure 3

Description

  Embodiments described herein relate generally to a touch panel lock structure.

  As an example of a conventional electronic device, for example, a display unit provided with a touch panel is connected to a main body unit by a hinge mechanism so as to be rotatable, and the display unit is opened and closed with respect to the main body unit. As an example of the hinge mechanism of the apparatus having the above-described conventional configuration, a hinge rotation shaft provided on the display unit is rotatably held by a bracket projecting from a connection portion on the main body side, and the hinge rotation shaft and a holding hole of the bracket There is a configuration in which a hinge torque generating portion is formed between the two. The hinge torque generator is configured such that a ring-shaped friction plate and a plurality of disc springs are inserted between the hinge rotation shaft and the holding hole of the bracket, and the free ends of the hinge rotation shaft in a state where the disc springs are compressed. Is formed by attaching a pressure plate. Thereby, the hinge rotating shaft provided in the display connection part is rotatably held by the bracket on the main body part side.

  The hinge torque generating portion presses the side surface of the friction plate adjacent to the disc spring against one side surface of the bracket on the main body side by a spring force generated by compressing a plurality of disc springs with a pressure plate, The side surface of the friction plate adjacent to the connecting portion on the side is pressed against the other side surface of the bracket. When the two friction plates and the bracket on the main body portion side are pressed against each other, a frictional force is generated between the main body portion side and the display connecting portion, thereby generating a hinge torque. With this hinge torque, when the display unit is opened with respect to the main body unit, the display unit is held at an arbitrary opening angle.

JP2015-98937A

  In the apparatus having the above-described conventional configuration, the structure of the hinge mechanism is complicated and the number of parts is increased, so that there is a problem that the cost increases.

  Further, as another example of the hinge mechanism, a lock mechanism unit that locks the touch panel unit in an arbitrarily raised position using a wedge action of a wedge member is considered. FIG. 12 shows an example of the locking device 1 that uses the wedge action of this wedge member. Further, FIG. 1 and FIG. 2 show an example of an electronic device using the lock device 1. This electronic device includes a touch panel unit 3 in which a touch panel 2 is disposed on one surface side, and a fixed base 4 that supports the touch panel unit 3. One end of the touch panel unit 3 is supported so as to be rotatable about a rotation shaft 6 with respect to the fixed base 4 via a hinge mechanism 5.

  Then, the touch panel unit 3 rotates about the rotation shaft 6 with respect to the fixed base 4 and is used in a locked state at a rotation position where the trigger angle is raised from a reference position of 0 ° to an arbitrary trigger angle. To do. The locking device 1 is fixed to, for example, a substantially L-shaped support member 7 fixed to the fixed base 4 and a support base 8 on the touch panel unit 3 side (see FIGS. 1 and 14) as shown in FIG. A substantially L-shaped hinge member 9, a connecting portion 10 having a rotating shaft 6, and a lock mechanism portion 11 are provided. The support member 7 includes a flat plate-like first fixing portion 7a fixed to the fixing base 4, and a first standing portion 7b bent in a direction substantially orthogonal to the first fixing portion 7a. The hinge member 9 includes a flat plate-like second fixing portion 9a fixed to the support base 8 on the touch panel unit 3 side, and a second standing portion 9b bent in a direction substantially perpendicular to the second fixing portion 9a. And have. The connection part 10 connects the 1st standing part 7b and the 2nd standing part 9b by the rotating shaft 6 so that rotation is possible.

  The lock mechanism unit 11 is mounted between the support member 7 and the hinge member 9 and fixes the touch panel unit 3 to the fixed base 4 in a locked state at a raised position that is caused to an arbitrary angle. The lock mechanism unit 11 includes a wedge receiving unit 12, a wedge guide unit 13, a wedge member 14, and a block member 15.

  A straight edge portion 9b1 parallel to the second fixed portion 9a is formed at the upper end portion of the second standing portion 9b of the hinge member 9 in FIG. Has been. A wedge receiving portion 12 is formed by the end edge portion 9b1.

  A wedge guide portion 13 is provided at a position facing the wedge receiving portion 12 on the hinge member 9 side at the upper end in FIG. 13 of the first standing portion 7b on the support member 7 side. As shown in FIG. 13, the wedge guide portion 13 includes a flat guide plate 13a and an engaging convex portion 13b projecting from the lower surface side of the guide plate 13a in FIG. This engaging convex part 13b can be engaged with an engaging groove 7b1 formed in the upper end part in FIG. 13 of the first standing part 7b on the support member 7 side. And as shown in FIG. 12, the wedge guide part 13 is being fixed to the standing part 7b by welding in the state in which the engaging convex part 13b was engaged with the engaging groove 7b1. With the wedge guide portion 13 fixed to the support member 7 as described above, a wedge insertion gap S1 between the lower surface of the guide plate 13a of the wedge guide portion 13 and the wedge receiving portion 12 (see FIG. 14). Form.

  As shown in FIGS. 12 and 14, the wedge member 14 is formed with a linear contact portion 14 a in sliding contact with the wedge guide portion 13 on the upper surface side. On the lower surface side of the wedge member 14, a tapered surface 14 b is formed which tapers toward the tip side. Further, an operation convex portion 14 c is projected upward from the base end portion of the wedge member 14.

  As shown in FIGS. 12 and 14, the block member 15 is formed with a guide groove 15 a slidably contacting the lower surface of the wedge member 14 on the upper surface side. The wedge member 14 is disposed on the guide groove 15 a of the block member 15. As a result, the block member 15 supports the wedge member 14 so as to be slidable in the same direction as the central axis of the rotation shaft 6. And as shown in FIG. 14, the front-end | tip part of the wedge member 14 is arrange | positioned in the state inserted between the wedge receiving part 12 and the wedge guide part 13. As shown in FIG.

  1 and 2, the touch panel unit 3 is rotated about the rotation shaft 6 with respect to the fixed base 4, and the rotation angle is set to an arbitrary rotation angle from a reference position of 0 ° to an arbitrary rotation angle. It is supported so as to be rotatable to a moving position. During the rotation operation of the touch panel unit 3, the hinge member 9 fixed to the support base 8 on the touch panel unit 3 side moves integrally with the touch panel unit 3. Therefore, with the movement of the hinge member 9, the size of the gap S <b> 1 between the lower surface of the guide plate 13 a of the wedge guide portion 13 and the wedge receiving portion 12 changes in an increasing direction.

  Then, the wedge member 14 is slid in the left direction in FIG. 14 at an arbitrary rotation position where the touch panel unit 3 is raised to an arbitrary angle with respect to the fixed base 4, and is press-fitted into the gap S1. Thereby, a wedge effect | action works between the taper surface 14b of the wedge member 14, and the wedge receiving part 12 of the hinge member 9, and the touch panel unit 3 is fixed to a locked state in arbitrary raising positions.

  However, in the locking device 1 configured as described above, the engagement convex portion 13b of the wedge guide portion 13 is engaged with the engagement groove 7b1 formed in the upper end portion in FIG. 13 of the first standing portion 7b on the support member 7 side. In the joined state, it is fixed to the standing portion 7b by welding. In this case, it is difficult to maintain the assembly position of the first standing portion 7b on the support member 7 side and the wedge guide portion 13 with high accuracy. Therefore, there is a possibility that the wedge member 14 cannot be smoothly slid due to, for example, distortion during welding of the wedge guide portion 13 or an assembly error. In this case, for example, a lubricating tape or the like is attached to the sliding contact surface of the block member 15 with the wedge member 14 in the guide groove 15a, and the clearance of the wedge member 14 is adjusted in the vertical and horizontal directions. Specifically, there is a possibility that complicated adjustment work such as fine adjustment of the number of tapes to be attached and the location of the tapes to be attached may be required. Further, there is a case where the contact surface side with the guide groove 15a on the wedge member 14 side is polished, and there is a problem that the clearance adjustment becomes more complicated.

  The embodiment has been made in consideration of the above circumstances, and can simplify the structure of the hinge mechanism and can improve the manufacturing accuracy of the lock mechanism portion that uses the wedge action of the wedge member. It is an object to provide a touch panel lock structure that can smoothly perform the sliding operation.

  The touch panel lock structure of the embodiment is configured such that the touch panel unit is rotated about the rotation axis with respect to the fixed base, and is locked at the rotation position where the trigger angle is raised from a reference position of 0 ° to an arbitrary trigger angle. Used for electronic devices that are used in a fixed manner. A substantially L-shaped support member, a substantially L-shaped hinge member, a connecting portion, and a lock mechanism portion are provided. The lock mechanism portion includes a wedge receiving portion, a wedge guide portion, a wedge member, and a block member. And the wedge guide part and the block member are integrated.

FIG. 1 is an overall perspective view showing an example of an electronic apparatus using a touch panel lock structure. FIG. 2 is a plan view of the electronic device of FIG. FIG. 3 is a perspective view of the main part showing the lock structure of the touch panel according to the first embodiment. FIG. 4 is a vertical cross-sectional view showing the main configuration of the lock structure of the touch panel according to the first embodiment. FIG. 5 is a perspective view of a main part showing a hinge part of the lock structure of the touch panel according to the first embodiment. FIG. 6 shows the hinge part of FIG. 5, (A) is a plan view of the hinge part, (B) is a front view of the left side of the hinge part, (C) is a side view of the hinge part, and (D) is It is a front view of the right side of a hinge part. FIGS. 7A and 7B show the wedge member of the lock structure of the touch panel according to the first embodiment. FIG. 7A is a perspective view of the wedge member, and FIG. 7B is a side view of the wedge member. FIG. 8A is a perspective view showing a block member of the lock structure of the touch panel according to the first embodiment, and FIG. 8B is a perspective view of a wedge guide portion. FIG. 9 shows a block member of the lock structure of the touch panel according to the first embodiment. (A) is a plan view of the block member, (B) is a side view of the block member, and (C) is a block member. It is a left front view. 10A and 10B show the wedge guide portion of the touch panel lock structure according to the first embodiment. FIG. 10A is a plan view of the wedge guide portion, FIG. 10B is a side view of the wedge guide portion, and FIG. It is a front view of the left side of a wedge guide part. FIG. 11 is an exploded perspective view of the lock structure of the touch panel according to the first embodiment. FIG. 12 is an exploded perspective view of a main part showing an example of a touch panel locking device. FIG. 13 is a perspective view showing a detached state of the support member and the wedge guide portion of the lock device of the touch panel of FIG. FIG. 14 is a longitudinal sectional view showing the operating state of the wedge member of the lock device of the touch panel of FIG.

3 to 11 show the first embodiment. 3 to 11, the same parts as those in FIGS. 12 to 14 are denoted by the same reference numerals, and the description thereof is omitted.
The touch panel lock structure 21 of the present embodiment is used in an electronic device including a touch panel unit 3 in which the touch panel 2 is arranged on one side as shown in FIGS. 1 and 2.

  The touch panel lock structure 21 includes, for example, a substantially L-shaped support member 22 fixed to the fixed base 4 and a support base 8 on the touch panel unit 3 side (see FIGS. 1 and 4) as shown in FIG. A substantially L-shaped hinge member 23 fixed, a connecting portion 25 having a rotating shaft 24 (see FIG. 3), and a lock mechanism portion 26 are provided.

  The support member 22 includes a flat plate-like first fixing portion 22a fixed to the fixing base 4, and a first standing portion 22b bent in a direction substantially orthogonal to the first fixing portion 22a. The hinge member 23 includes a flat plate-like second fixing portion 23a fixed to the support base 8 on the touch panel unit 3 side, and a second standing portion 23b bent in a direction substantially orthogonal to the second fixing portion 23a. And have. The connection part 25 connects the 1st standing part 22b and the 2nd standing part 23b so that rotation is possible by the rotating shaft 24. FIG.

  The lock mechanism unit 26 is mounted between the support member 22 and the hinge member 23 and fixes the touch panel unit 3 to the fixed base 4 in a locked state at a raised position that is caused to an arbitrary angle. The lock mechanism portion 26 includes a wedge receiving portion 27 (see FIG. 6), a wedge guide portion 28, a wedge member 29 (see FIG. 7), and a block member 30 (see FIG. 8).

  4 and 6 (A) to 6 (D) of the second standing portion 23b of the hinge member 23, the upper end portion has a linear shape parallel to the second fixing portion 23a in the vicinity of the connecting portion 25. An end edge portion 23b1 is formed. A wedge receiving portion 27 is formed by the end edge portion 23b1.

  Further, in this embodiment, the block member 30 is bent into a substantially L-shaped thick block body 31 as shown in FIG. 8A and a substantially L-shaped as shown in FIG. 8B. Sheet metal member 32. 9A to 9C show the block body 31, and FIGS. 10A to 10C show the sheet metal member 32.

  The block body 31 includes a flat block body fixing portion 31a and a block body standing portion 31b bent in a direction substantially orthogonal to the block body fixing portion 31a. As shown in FIG. 4, the block body fixing portion 31 a is fixed on the first fixing portion 22 a of the support member 22. In FIG. 9C, a flat plate-like projecting portion 31b1 projecting inward (left side in FIG. 9C) is formed at the upper end of the block body standing portion 31b. As shown in FIG. 4, the projecting portion 31 b 1 is disposed in a state of facing and facing the wedge receiving portion 27 of the hinge member 23. The wedge guide portion 28 is formed by the protruding portion 31b1. A wedge insertion gap S2 (see FIG. 4) is formed between the lower surface of the projecting portion 31b1 (wedge guide portion 28) and the wedge receiving portion 27. Thus, in the present embodiment, the wedge guide portion 28 and the block member 30 are integrated.

  The sheet metal member 32 includes a flat sheet metal member fixing portion 32a and a sheet metal member standing portion 32b bent in a direction substantially orthogonal to the sheet metal member fixing portion 32a. The sheet metal member fixing portion 32a is fixed on the block body fixing portion 31a. When the sheet metal member 32 is fixed, the accommodating portion 33 that supports the wedge member 29 slidably in the same direction as the central axis of the rotation shaft 24 is provided between the sheet metal member standing portion 32b and the block body standing portion 31b. Is formed. Accordingly, the block member 15 supports the wedge member 14 in the accommodating portion 33 so as to be slidable in the same direction as the central axis of the rotation shaft 6.

  The wedge member 29 is formed in the same manner as the wedge member 14 shown in FIGS. That is, as shown in FIGS. 7A and 7B, a linear contact portion 29 a that slides on the wedge guide portion 28 is formed on the upper surface side of the wedge member 29. On the lower surface side of the wedge member 29, a tapered surface 29b is formed which tapers toward the tip side. Further, an operation convex portion 29 c is projected upward from the base end portion of the wedge member 29. And as shown in FIG. 4, the front-end | tip part of the wedge member 29 is arrange | positioned in the state inserted between the wedge receiving part 27 and the wedge guide part 28. As shown in FIG.

  Next, the operation of the above configuration will be described. When using the touch panel unit 3 of the electronic device of FIGS. 1 and 2, first, the touch panel unit 3 is raised to an arbitrary raising angle with respect to the fixed base 4. When the touch panel unit 3 rotates, the hinge member 23 fixed to the support base 8 on the touch panel unit 3 side moves integrally with the touch panel unit 3. Therefore, as the hinge member 23 moves, the wedge receiving portion 27 of the hinge member 23 moves in a direction away from the wedge guide portion 28 of the block member 30 (downward in FIG. 4). Thereby, the magnitude | size of the clearance gap S2 between the lower surface of the wedge guide part 28 and the wedge receiving part 27 changes to the direction expanded.

  Further, the touch panel lock structure 21 of the present embodiment is operated in a state where the touch panel unit 3 is moved to an arbitrary rotation position. At this time, the wedge member 29 is slid leftward in FIG. 4 and press-fitted into the gap S2. Thereby, a wedge action works between the taper surface 29b of the wedge member 29 and the wedge receiving portion 27 of the hinge member 23, and the touch panel unit 3 is fixed in a locked state at an arbitrary raising position.

  In the present embodiment, a plate-like protruding portion 31b1 is formed at the upper end portion of the block body standing portion 31b formed on the block body 31 of the block member 30, and this protruding portion 31b1 is used as the wedge guide portion 28. Yes. Therefore, since the block member 30 and the wedge guide portion 28 are integrated, it is possible to eliminate welding distortion that occurs when a plurality of components are welded and fixed. Furthermore, since the block member 30 and the wedge guide portion 28 are processed as one component, the dimensional accuracy is stable. Therefore, since the sliding operation of the wedge member 29 can be performed smoothly, the wedge member 29 is accommodated when the wedge member 29 is accommodated in the accommodating portion 33 between the sheet metal member standing portion 32b and the block body standing portion 31b. The work of adjusting the clearance in the vertical direction and the horizontal direction with respect to 29 can be reduced.

  Furthermore, in this embodiment, the clearance adjustment of the wedge member 29 accommodated in the accommodating part 33 at the time of the assembly of the block body 31 of the block member 30 and the sheet metal member 32 can be performed. Therefore, it is possible to increase the manufacturing accuracy of the lock mechanism that uses the wedge action of the wedge member.

  According to the above-described embodiment, the structure of the hinge mechanism can be simplified, the manufacturing accuracy of the lock mechanism using the wedge action of the wedge member can be increased, and the wedge member can be smoothly slid. It is possible to provide a lock structure of a touch panel that can be used.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

    DESCRIPTION OF SYMBOLS 1 ... Locking device, 2 ... Touch panel, 3 ... Touch panel unit, 4 ... Fixing base, 5 ... Hinge mechanism, 6 ... Rotating shaft, 7 ... Support member, 7a ... 1st fixing | fixed part, 7b ... 1st standing installation Part, 7b1 ... engaging groove, 8 ... support base, 9 ... hinge member, 9a ... second fixing part, 9b ... second standing part, 9b1 ... end edge part, 10 ... coupling part, 11 ... lock mechanism , 12 ... Wedge receiving portion, 13 ... Wedge guide portion, 13a ... Guide plate, 13b ... Engaging convex portion, 14 ... Wedge member, 14a ... Contact portion, 14b ... Tapered surface, 14c ... Convex portion, 15 ... Block member , 15a ... guide groove, 21 ... lock structure, 22 ... support member, 22a ... first fixing portion, 22b ... first standing portion, 23 ... hinge member, 23a ... second fixing portion, 23b ... second 23b1 ... end edge part, 24 ... rotating shaft, 25 ... connecting part, 26 ... lock Mechanical part, 27 ... receiving part, 28 ... guide part, 29 ... wedge member, 29a ... contact part, 29b ... tapered surface, 29c ... convex part, 30 ... block member, 31 ... block body, 31a ... block body fixing part, 31b ... Block body standing portion, 31b1 ... projecting portion, 32 ... sheet metal member, 32a ... sheet metal member fixing portion, 32b ... sheet metal member standing portion, 33 ... accommodating portion, S1 ... gap, S2 ... gap.

Claims (4)

One end of the touch panel unit having a touch panel disposed on one side is supported so as to be rotatable about a rotation axis with respect to the fixed base, and the touch panel unit rotates about the rotation axis with respect to the fixed base. A touch panel locking device used for an electronic device that is used in a locked state at a rotational position that is moved and raised from a reference position having a trigger angle of 0 ° to an arbitrary trigger angle,
A substantially L-shaped support member having a flat plate-like first fixing portion fixed to the fixing base, and a first standing portion bent in a direction substantially orthogonal to the first fixing portion;
A substantially L-shape having a flat plate-like second fixing portion fixed to the support base on the touch panel unit side and a second standing portion bent in a direction substantially orthogonal to the second fixing portion. A hinge member;
The pivot shaft is inserted between the first standing portion and the second standing portion, and the pivot shaft is disposed between the first standing portion and the second standing portion. A connecting portion for rotatably connecting,
A locking mechanism mounted between the support member and the hinge member, and fixing the touch panel unit to the fixed position in a locked state at the raising position caused at the arbitrary raising angle;
The locking mechanism portion includes a wedge receiving portion provided at a position in the vicinity of the connecting portion in the second standing portion,
A wedge guide portion provided at a position facing the wedge receiving portion on the support member side, and forming a wedge insertion gap with the wedge receiving portion;
A wedge member that is disposed between the wedge receiving portion and the wedge guide portion and fixes the touch panel unit in a locked state by a wedge action at an arbitrary raising position;
A block member provided on the fixed base side and supporting the wedge member so as to be slidable in the same direction as the central axis of the rotation shaft;
A lock structure for a touch panel, wherein the wedge guide portion and the block member are integrated. The block member has a lower surface guide that is in sliding contact with the lower surface of the wedge member, and an upper surface guide that is in sliding contact with the upper surface of the wedge member,
The touch panel lock structure according to claim 1, wherein the upper surface guide is formed by the wedge guide portion.   The wedge member is characterized in that a linear contact portion slidably contacting the wedge guide portion is formed on the upper surface side, and a tapered surface that tapers toward the distal end side is formed on the lower surface side. 2. The touch panel lock structure according to 2.   4. The touch panel lock structure according to claim 3, wherein the wedge member is formed with a convex portion for operation on a base end side of the contact portion.