JP7094548B2 - In-vehicle monitor hinge clamping mechanism - Google Patents

Description

The present invention relates to a clamping mechanism for a hinge for an in-vehicle monitor. More specifically, the present invention relates to a clamp mechanism for an in-vehicle monitor hinge for fixing a monitor device such as a television or a navigator to a car ceiling or the like at a predetermined angle.

Some wagon cars, sightseeing buses, etc. are equipped with monitor devices such as TVs and navigators on the ceiling. It is known that this monitor device can be swung in the biaxial direction by storing the monitor in a recess such as the ceiling in the car so that it is not noticeable when not in use, and then manually taking it out from the recess when in use. (Patent Document 1). Further, although it is not a type for accommodating a monitor device, a ceiling mount device for an in-vehicle device that can swing on two orthogonal axes and fixes the posture of the monitor at an arbitrary angle position has also been proposed (for example, Patent Document). 2). The mounting device for manually removing and using the monitor at the time of use is, for example, fixed at a desired angle position on the vertical axis when the monitor is used, the above proposed one is fixed at a preset angle position. Alternatively, it is necessary to manually fix it at an arbitrary angle position with a screw or the like.

Japanese Patent Application Laid-Open No. 2002-240642 Japanese Unexamined Patent Publication No. 2004-352178.

However, in the case of an in-vehicle monitor that vibrates violently, it is preferable to firmly fix it to a ceiling plate or the like, which is a structure of a car, at the time of use. If the clamp can be clamped only by the operation of positioning the monitor at the desired usage angle, the clamping operation can be omitted and the clamping operation is not forgotten, which is preferable. There is also a method of clamping the in-vehicle monitor to the ceiling plate by constantly pressing an elastic member such as rubber against the ceiling plate, but there are problems that the clamping force is lowered and the ceiling plate is scratched.
The present invention achieves the following object based on the above background.
An object of the present invention is to provide a clamping mechanism for a hinge for an in-vehicle monitor, which can be clamped to a vehicle body simply by positioning the in-vehicle monitor at a desired angle position, so that the clamping operation can be omitted and the clamp is not forgotten. It is in.
Another object of the present invention is for an in-vehicle monitor in which the in-vehicle monitor is clamped to the ceiling plate only when the in-vehicle monitor is positioned at an angle of use, so that the clamping force is not reduced and no rubbing marks are left on the ceiling plate. The purpose is to provide a clamping mechanism for the hinge.

The present invention adopts the following means in order to solve the above-mentioned problems.
That is, the in-vehicle monitor hinge clamping mechanism of the present invention 1 fixes the monitor in the in-vehicle monitor hinge clamping mechanism that swingably supports the monitor mounted in the vehicle interior space of the vehicle along two orthogonal axes. The monitor mounting plate, the first swing shaft that swingably supports the monitor mounting plate, the vehicle body mounting plate that is fixed to the vehicle body of the car, and the vehicle body mounting plate that is swingably supported and supported by the first A second swing shaft orthogonal to the swing shaft, a first swing shaft mounting plate fixed to the second swing shaft and fixed to the first swing shaft, and the first swing shaft mounting plate. A cam plate guided upward and movable in the axial direction of the first swing shaft, a cam plate urging means for urging the cam plate toward the center of the second swing shaft, and a cam plate urging means. By swinging the first swing shaft mounting plate against the means, the cam plate drive cam that engages with the cam plate to move the cam plate and the cam plate are engaged with the cam plate. It is characterized by comprising a clamping means for pressing the vehicle body.

The clamp mechanism of the hinge for an in-vehicle monitor of the present invention 2 is characterized in that, in the present invention 1, the monitor mounting plate and the first swing shaft are arranged at both ends of the first swing shaft mounting plate. do.
In the present invention 1 or 2, the in-vehicle monitor hinge clamping mechanism of the present invention 3 swings together with the first swing shaft mounting plate in order to swing the first swing shaft mounting plate only within a set angle range. It is characterized by including a moving swing angle setting cam and a dock fixed to the vehicle body mounting plate and in contact with the swing angle setting cam at the set angle position.

The in-vehicle monitor hinge clamping mechanism of the present invention simply positions the in-vehicle monitor with violent vibration at a desired angle, and the in-vehicle monitor can be firmly fixed to the vehicle body without clamping the hinge mechanism. Never. Further, the clamping mechanism of the hinge for the vehicle-mounted monitor of the present invention clamps the vehicle-mounted monitor to the ceiling plate only when the vehicle-mounted monitor is positioned at the angle of use, so that the clamping force does not decrease and rubbing marks remain on the ceiling plate. do not have.

1 (a) is a front view showing the clamping mechanism of the hinge for an in-vehicle monitor according to the embodiment of the present invention, and FIG. 1 (b) is a P arrow view of FIG. 1 (a). 2 (a) is a Q arrow view of FIG. 1 (b), and FIG. 2 (b) is an R enlarged arrow view of FIG. 1 (b). FIG. 3 is a front view showing a state in which the first swing shaft mounting plate is swinging. 4A is a sectional view taken along the line AA of FIG. 3, and FIG. 4B is an enlarged sectional view taken along the line BB of FIG. FIG. 5 is a perspective view showing a state in which the first swing shaft mounting plate is swinging. FIG. 6 is a perspective view seen from the back surface of FIG. 5, and shows a state in which the swing of the first swing shaft mounting plate is completed. FIG. 7 is a perspective view showing a state in which the first swing shaft mounting plate is removed, and shows a state in which the swing of the first swing shaft mounting plate is completed. FIG. 8 is an explanatory diagram showing an operation of swinging the first swing shaft mounting plate counterclockwise to clamp the first swing shaft mounting plate. FIG. 9 is an explanatory diagram showing an operation of swinging the first swing shaft mounting plate 180 degrees clockwise from the state of FIG. 8C to clamp the first swing shaft mounting plate. FIG. 10 is an explanatory diagram showing the clamping operation of the clamping means for pressing the convex portion of the ceiling plate.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 (a) is a front view showing the clamping mechanism of the hinge for an in-vehicle monitor according to the embodiment of the present invention, and FIG. 1 (b) is a P arrow view of FIG. 1 (a). 2 (a) is a Q arrow view of FIG. 1 (b), FIG. 2 (b) is an R enlarged arrow view of FIG. 1 (b), and FIG. 3 is an intermediate swing of the first swing shaft mounting plate. A front view showing a state, FIG. 4A is a sectional view taken along the line AA of FIG. 3, and FIG. 4B is an enlarged sectional view taken along the line BB of FIG. FIG. 5 is a perspective view showing a state in which the first swing shaft mounting plate is in the process of swinging, and FIG. 6 is a perspective view seen from the back surface of FIG. 5, in which the swing of the first swing shaft mounting plate is completed. Is shown. FIG. 7 is a perspective view showing a state in which the first swing shaft mounting plate is removed, and shows a state in which the swing of the first swing shaft mounting plate is completed. As shown in FIGS. 1 to 7, the in-vehicle monitor hinge clamping mechanism 100 according to the embodiment of the present invention includes a vehicle body mounting plate 1, monitor mounting plates 2, 2, first swing shafts 21, 21, and second. It is composed of a swing shaft 3, a first swing shaft mounting plate 4, cam plates 5, 5, cam plate urging means 51, 51, a cam plate drive cam 52, clamp means 6, 6, and the like.

The clamp mechanism 100 of the hinge for an in-vehicle monitor is fixed to a recess 101 of a ceiling plate of a car by a rectangular plate-shaped vehicle body mounting plate 1. The lower end of the hollow cylindrical second swing shaft 3 is swingably supported by the vehicle body mounting plate 1. A central portion of the first swing shaft mounting plate 4 in the longitudinal direction is fixed to the upper end of the second swing shaft 3, and the first swing shaft mounting plate 4 swings together with the second swing shaft 3. The first swing shaft mounting plate 4 has a U-shaped cross section, and the upper side and both left and right ends of FIG. 4A are open. A pair of support plates 41, 41 are symmetrically fixed to the upper surface of the bottom plate 4A of the first swing shaft mounting plate 4 by rivets 43. At the left end of the left support plate 41 and the right end of the right support plate 41, shaft support portions 42, 42 formed by bending upward in FIG. 4A are formed. A hollow cylindrical first swing shaft 21 is fixed to each of the shaft support portions 42 and 42. The first swing shafts 21 and 21 are arranged orthogonal to the second swing shaft 3. A monitor mounting plate 2 is supported on the first swing shafts 21 and 21 so as to be swingable. The monitor 102 is fixed to the monitor mounting plates 2 and 2 by bolts (not shown).

Cam plates 5 and 5 are guided on the lower surface of the bottom plate 4A of the first swing shaft mounting plate 4 so as to be movable in the axial direction of the first swing shafts 21 and 21. The cam plates 5 and 5 are movably guided to the bottom plate 4A by the guide pins 57. The cam plates 5 and 5 are symmetrically arranged on the left and right sides of the first swing shaft mounting plate 4 with the second swing shaft 3 interposed therebetween. The cam plates 5 and 5 are urged toward the center of the second swing shaft 3 by the cam plate urging means (tension springs) 51 and 51. A cam plate drive cam 52 is pivotally supported on the outer periphery of the second swing shaft 3 so as to swing. The cam plate drive cam 52 is arranged in contact with the upper surface of the vehicle body mounting plate 1. The cam plate drive cam 52 has a disk shape, and protrusions 53 and 54 projecting outward in the radial direction are formed on the outer periphery thereof at positions facing each other by 180 degrees. The protrusion 53 is formed so as to protrude outward in the radial direction from the protrusion 54. Pin-shaped stoppers 55 and 56 are fixed to the upper surface of the vehicle body mounting plate 1 at positions facing each other by 180 degrees, and can come into contact with the protruding portion 53. The cam plates 5 and 5 are formed with engaging projections 5A and 5A extending downward in FIG. 1B at positions facing the second swing shaft 3. The engaging projections 5A and 5A of the cam plates 5 and 5 sandwich the disk-shaped outer periphery of the cam plate drive cam 52 by the urging force of the cam plate urging means (pulling spring) 51 and 51.

Clamping means (leaf springs) 6 and 6 are fixed to the left and right ends of the first swing shaft mounting plate 4, respectively. The upper end of the clamping means 6 is sandwiched and fixed between the upper surface of the bottom plate 4A of the first swing shaft mounting plate 4 and the support plate 41. As shown in FIG. 4A, the clamping means 6 and 6 are formed by being bent at a right angle toward the lower side of FIG. 4A and then bent again toward the center of the second swing shaft 3. A pressing portion 61 is formed at the tip thereof. Inclined surfaces 5B are formed on the left and right ends of the cam plates 5 and 5, respectively. When the cam plates 5 and 5 move away from the center of the second swing shaft 3, the inclined surface 5B pushes down the pressing portion 61 toward the lower side of FIG. 4A to push the convex portion 103 of the ceiling plate. Press. As shown in FIGS. 2 (a), 2 (b), 4 (a), and (b), a disk-shaped swing angle setting cam 7 is fixed to the lower end of the second swing shaft 3, and the second swing is performed. It can swing together with the moving shaft 3. Engaging convex surfaces 71 and 72 are formed on the outer periphery of the swing angle setting cam 7 at positions facing 180 degrees. A pin-shaped dock 73 is fixed to the lower surface of the vehicle body mounting plate 1. When the first swing shaft mounting plate 4 swings, the swing angle setting cam 7 swings together with the second swing shaft 3, and the engaging convex surface 71 or 72 abuts on the dock 73, and the swing angle setting cam 7 Stops. Therefore, it is possible to limit the swing angle of the first swing shaft mounting plate 4 to 180 degrees.

FIG. 8 is an explanatory view showing an operation of swinging the first swing shaft mounting plate 4 counterclockwise to clamp the first swing shaft mounting plate 4, and FIG. 9 is a view from the state of FIG. 8 (c). 1 It is explanatory drawing which shows the operation which clamps the 1st swing shaft mounting plate 4 by swinging a swing shaft mounting plate 4 180 degrees clockwise. FIG. 10 is an explanatory diagram showing a clamping operation of the clamping means 6 for pressing the convex portion 103 of the ceiling plate. As shown in FIG. 2B, hold the monitor 102 by hand and swing the monitor 102 counterclockwise by 90 degrees to change the storage state parallel to the ceiling plate to a state perpendicular to the ceiling plate. .. Next, when the monitor 102 is swung counterclockwise from the position shown in FIG. 8 (a) to the position shown in FIG. 8 (b), the cam plate drive cam 52 sandwiched between the cam plates 5 becomes the first swing shaft mounting plate. It swings counterclockwise together with 4. The swing angle setting cam 7 also swings counterclockwise together with the first swing shaft mounting plate 4. At the position shown in FIG. 8B, the protruding portion 53 of the cam plate drive cam 52 comes into contact with the stopper 55. As a result, the swing of the cam plate drive cam 52 is stopped. At this swing position, the cam plates 5 and 5 are urged by the cam plate urging means 51 and 51 toward the center of the second swing shaft 3, and therefore, as shown in FIG. 10A, The pressing portions 61, 61 of the clamping means 6, 6 are separated from the convex portion 103 of the ceiling plate.

When the monitor 102 is further swung counterclockwise to the position shown in FIG. 8 (c), the cam plate drive cam 52 does not swing, and the monitor 102, the first swing shaft mounting plate 4, and the cam plate 5 move. Further swing counterclockwise. As a result, the engaging protrusions 5A and 5A of the cam plates 5 and 5 are pushed by the protruding portions 53 and 54 of the cam plate drive cam 52, and the cam plates 5 and 5 move in a direction away from the center of the second swing shaft 3. do. Therefore, as shown in FIG. 10B, the inclined surfaces 5B and 5B of the cam plates 5 and 5 push up the pressing portions 61 and 61 of the clamping means 6 and 6 toward the convex portion 103 of the ceiling plate, and the ceiling plate. The convex portion 103 of the above is pressed by the pressing portions 61 and 61. As a result, the monitor 102 and the first swing shaft mounting plate 4 are fixed to the convex portion 103 of the ceiling plate.
At the position shown in FIG. 8C, the engaging convex surface 72 of the swing angle setting cam 7 abuts on the dock 73 to limit the swing angle of the first swing shaft mounting plate 4 in the counterclockwise direction.

Next, when the monitor 102 is swung clockwise from the position shown in FIG. 8C, the protruding portion 53 of the cam plate drive cam 52 is separated from the stopper 55, so that the cam plates 5 and 5 are the cam plate urging means 51. , 51 moves toward the center of the second swing shaft 3, and as shown in FIG. 10A, the pressing portions 61, 61 of the clamping means 6 and 6 are separated from the convex portion 103 of the ceiling plate. At the position shown in FIG. 9A, the protruding portion 53 of the cam plate drive cam 52 comes into contact with the stopper 56. As a result, the swing of the cam plate drive cam 52 is stopped. The swing angle setting cam 7 swings clockwise together with the first swing shaft mounting plate 4.

When the monitor 102 is further swung clockwise to the position shown in FIG. 9B, the cam plate drive cam 52 does not swing, and the monitor 102, the first swing shaft mounting plate 4, the cam plates 5, and 5 remain stationary. Further swings clockwise. As a result, the engaging protrusions 5A and 5A of the cam plates 5 and 5 are pushed by the protruding portions 53 and 54 of the cam plate drive cam 52, and the cam plates 5 and 5 move in a direction away from the center of the second swing shaft 3. do. Therefore, as shown in FIG. 10B, the inclined surfaces 5B and 5B of the cam plates 5 and 5 push up the pressing portions 61 and 61 of the clamping means 6 and 6 toward the convex portion 103 of the ceiling plate, and the ceiling plate. The convex portion 103 of the above is pressed by the pressing portions 61 and 61. As a result, the monitor 102 and the first swing shaft mounting plate 4 are fixed to the convex portion 103 of the ceiling plate. At the position shown in FIG. 9B, the engaging convex surface 71 of the swing angle setting cam 7 abuts on the dock 73 to limit the clockwise swing angle of the first swing shaft mounting plate 4. Since the clamping mechanism 100 of the hinge for an in-vehicle monitor according to the embodiment of the present invention can clamp to the vehicle body only by swinging the monitor 102 to a desired angle position, the clamping operation can be omitted and the clamping is not forgotten. ..
Further, the clamping mechanism 100 of the hinge for an in-vehicle monitor according to the embodiment of the present invention clamps the monitor 102 to the ceiling plate only when the monitor 102 is positioned at the used angle position, so that the clamping force does not decrease and the ceiling plate is not reduced. No rubbing marks are left on the surface.

Although the embodiment of the present invention has been described above, the present invention is not limited to this embodiment. For example, in the above-described embodiment, the monitor 102 is clamped to the vehicle body at the 0 degree position and the 180 degree position, but it may be clamped to the vehicle body at other angle positions. In that case, the mounting angle positions of the stoppers 55 and 56 may be changed.

100 ... In-vehicle monitor hinge clamping mechanism 101 ... Ceiling plate recess 102 ... Monitor 103 ... Ceiling plate convex 1 ... Body mounting plate 2 ... Monitor mounting plate 21 ... First swing shaft 3 ... Second swing shaft 4 ... First swing shaft mounting plate 4A ... Bottom plate 41 ... Support plate 42 ... Shaft support portion 43 ... Rivets 5 ... Cam plate 5A ... Engagement protrusion 5B ... Inclined surface 51 ... Cam plate urging means 52 ... Cam plate drive cam 53 , 54 ... Protruding portion 55, 56 ... Stopper 57 ... Guide pin 6 ... Clamping means 61 ... Pressing portion 7 ... Swing angle setting cam 71, 72 ... Engagement convex surface 73 ... Dock

Claims (3)

In the clamp mechanism of the hinge for an in-vehicle monitor that swingably supports the monitor mounted in the vehicle interior space on two orthogonal axes.
The monitor mounting plate that fixes the monitor and
A first swing shaft that swingably supports the monitor mounting plate,
The body mounting plate fixed to the body of the car and
A second swing axis that is swingably supported by the vehicle body mounting plate and is orthogonal to the first swing axis,
A first swing shaft mounting plate fixed to the second swing shaft and fixed to the first swing shaft,
A cam plate guided on the first swing shaft mounting plate and movable in the axial direction of the first swing shaft, and
A cam plate urging means for urging the cam plate toward the center of the second swing shaft, and a cam plate urging means.
A cam plate drive cam that engages with the cam plate and moves the cam plate by swinging the first swing shaft mounting plate against the cam plate urging means.
An in-vehicle monitor hinge clamping mechanism comprising a clamping means that engages with the cam plate and presses the vehicle body. In the clamping mechanism of the hinge for an in-vehicle monitor according to claim 1.
A clamp mechanism for an in-vehicle monitor hinge, wherein the monitor mounting plate and the first swing shaft are arranged at both ends of the first swing shaft mounting plate. In the clamping mechanism of the hinge for an in-vehicle monitor according to claim 1 or 2.
A swing angle setting cam that swings together with the first swing shaft mounting plate in order to swing the first swing shaft mounting plate only within a set angle range,
A clamp mechanism for an in-vehicle monitor hinge, which is fixed to the vehicle body mounting plate and comprises a dock that abuts on the swing angle setting cam at the set angle position.

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