JP5938640B2 - In-vehicle monitor support device - Google Patents

Description

  The present invention relates to an in-vehicle monitor support device, and more particularly to an external type in-vehicle monitor support device.

  As an in-vehicle monitor support device that supports the in-vehicle monitor, a type that supports the in-vehicle monitor inside the dashboard, the in-vehicle monitor stands up on the dashboard, so that the monitor screen of the in-vehicle monitor follows the instrument panel design surface of the dashboard, There is a type in which the vehicle-mounted monitor is supported by a drive device embedded in the dashboard so as to be housed in the dashboard (hereinafter, both types are referred to as an in-dash type).

  In addition, there is a type in which the in-vehicle monitor is supported by a support device mounted on the dashboard without the support member or the drive device of the in-vehicle monitor in the dashboard (hereinafter referred to as an external type). 1). Since such an external monitor support device of the external type does not choose the structure inside the dashboard of the vehicle and the shape of its design surface, it can be adapted to more vehicle types than the in-dash type, and the in-dash type Thus, complicated work for mounting in the dashboard is also unnecessary.

JP 2002-160586 A

  However, although the conventional stand unit used as an external type on-vehicle monitor support device can slightly adjust the angle of the monitor screen of the on-vehicle monitor to be held so as to meet the driver's line of sight, the on-vehicle monitor always stands upright. It is a posture. Therefore, even when the in-vehicle monitor is not used, there is a problem that the monitor screen enters the driver's field of view and the quality viewed from the outside is not good during parking.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide a novel externally mounted on-vehicle monitor support device.

  Another object of the present invention is to support an in-vehicle monitor and to externally drive the in-vehicle monitor between a standing posture in which the in-vehicle monitor stands and a prone posture in which the in-vehicle monitor is horizontal with respect to the base. In the in-vehicle monitor support device, the backlash of the in-vehicle monitor with respect to the in-vehicle monitor support device in the prone posture is reduced.

An in-vehicle monitor support device according to the present invention is an external type in-vehicle monitor support device that supports an in-vehicle monitor, and an upright posture in which the in-vehicle monitor stands with respect to a base and a prone posture in which the in-vehicle monitor is horizontal. between, it has a drive mechanism for driving the vehicle monitor, a configuration in which a member to be driven for driving the vehicle monitor in the drive mechanism and a locking mechanism for locking in the prostration position, the locking The mechanism includes a leaf spring, and a support member to which the in-vehicle monitor in the drive mechanism is attached is locked in the prone posture, and the leaf spring has a dogleg shape, and the support member is in the prone posture. In some cases, a part of the support member has a structure that climbs over the square-shaped mountain.

According to this structure, since the member driven in order to drive a vehicle-mounted monitor is locked in a prone posture, the backlash of the vehicle-mounted monitor with respect to a vehicle-mounted monitor support apparatus can be reduced. In addition, the configuration to suppress rattling in the prone posture does not lock the in-vehicle monitor directly, but locks the member that is driven to drive the in-vehicle monitor, so compared with the case where the in-vehicle monitor is directly locked Thus, the lock mechanism can be realized with a simple configuration, the versatility of the in-vehicle monitor support device for various in-vehicle monitors can be secured , and the lock can be easily released when driving from the prone posture to the standing posture.

  In the above-described in-vehicle monitor support device, when a part of the support member climbs over the square-shaped mountain and assumes the prone posture, a part of the support member may be pressed against the cushion member.

  According to this configuration, since the support member is sandwiched between the leaf spring and the cushion member in the prone posture, the rattling can be more reliably reduced.

  In the above-described in-vehicle monitor support device, the driving mechanism includes, as a member driven to drive the in-vehicle monitor, an arm that is rotatably connected to the base, and a slider that is slidably provided on the base. And a slider crank mechanism that is rotatably coupled to the slider and the arm and includes a joint that supports the vehicle monitor. The slider crank mechanism includes the arm and the arm. The slider may overlap and the yielding posture may be between the arm and the slider that are overlapped with the base, and the locking mechanism may be in the yielding posture in the vicinity of a joint location of the joint with the slider. You may fix with respect to the said arm.

  With this configuration, the in-vehicle monitor can be suitably driven between the standing posture and the prone posture by the slider crank mechanism, and a joint that supports the in-vehicle monitor and is a link element of the slider crank mechanism with respect to the arm Since it is locked, the in-vehicle monitor can be suitably maintained in a prone posture, and rattling can be reduced.

  According to the present invention, in the external type in-vehicle monitor support device, since the member driven to drive the in-vehicle monitor is locked in the prone posture, the in-vehicle monitor rattles relative to the in-vehicle monitor support device in the prone posture. Can be reduced.

The right side view of the vehicle-mounted monitor support apparatus in embodiment of this invention The perspective view of the vehicle-mounted monitor (standing posture) attached to the vehicle-mounted monitor support apparatus in embodiment of this invention The perspective view of the vehicle-mounted monitor (stand-up posture) attached to the vehicle-mounted monitor support apparatus in embodiment of this invention in embodiment of this invention The perspective view of the vehicle-mounted monitor (prone posture) attached to the vehicle-mounted monitor support apparatus in embodiment of this invention The perspective view of the vehicle-mounted monitor support apparatus in embodiment of this invention The top view of the vehicle-mounted monitor support apparatus in embodiment of this invention The disassembled perspective view of the vehicle-mounted monitor support apparatus in embodiment of this invention The top view of the slider seen from the back surface side of the gear cover in embodiment of this invention The side view of the vehicle-mounted monitor support apparatus of the standing posture (tilt angle maximum) in embodiment of this invention The perspective view of the vehicle-mounted monitor support apparatus of the standing posture (tilt angle minimum) in embodiment of this invention Side view of a vehicle-mounted monitor support device that is driven between a standing posture (maximum tilt angle) and a standing posture (minimum tilt angle) and a vehicle-mounted monitor that is supported by the vehicle-mounted monitor support device according to an embodiment of the present invention The block diagram of the monitor drive device in an embodiment of the invention The disassembled perspective view of the movable stopper and play back cushion in embodiment of this invention The perspective view of the movable stopper attached to the arm in embodiment of this invention AA sectional view of FIG. 6 in the embodiment of the present invention. BB sectional view of FIG. 6 in the embodiment of the present invention The side view which shows the relationship between the movable close stopper of the vicinity of the prone posture in the embodiment of this invention, and a presser leaf spring

  Hereinafter, an in-vehicle monitor support device according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 2 is a perspective view of an in-vehicle monitor (standing posture) attached to the in-vehicle monitor support device according to the embodiment of the present invention as viewed obliquely from the front. FIG. 3 is a perspective view of an in-vehicle monitor (stand-up posture) attached to the in-vehicle monitor support device according to the embodiment of the present invention when viewed from an oblique lateral direction. FIG. 4 is a perspective view of an in-vehicle monitor (a prone posture) attached to the in-vehicle monitor support device according to the embodiment of the present invention as viewed obliquely from the front.

  As shown in FIGS. 2 to 4, the in-vehicle monitor support device 1 of the present embodiment is an external type that is fixed to the upper surface of the dashboard DB inside the vehicle by the support device fixing member 2 and supports the in-vehicle monitor 3. This is an in-vehicle monitor support device. The in-vehicle monitor support device 1 is a prone posture in which the monitor screen 31 falls down along the upper surface of the dashboard DB with the standing posture shown in FIGS. 2 and 3 and the monitor screen shown in FIG. In-vehicle monitor 3 is driven. Moreover, the vehicle-mounted monitor 3 stands up in front of the base 11 of the vehicle-mounted monitor support apparatus 1 which has a substantially square bottom face. The in-vehicle monitor 3 is supported by a joint, which will be described later, of the in-vehicle monitor support device 1 up to a height of about 2/3 from the bottom of the left and right center of the back surface.

  When the base 11 of the in-vehicle monitor support device 1 is low and the in-vehicle monitor 3 is in the prone posture, the monitor screen 31 faces downward and is parallel to the dashboard DB and contacts the base 11. Therefore, when the in-vehicle monitor 3 is in the prone posture, the height of the in-vehicle monitor support device 1 and the in-vehicle monitor 3 supported by the dashboard DB is substantially the height of the base 11 plus the thickness of the in-vehicle monitor 3. It becomes height. That is, the height becomes very thin compared with the case where the vehicle-mounted monitor 3 is in a standing posture. Therefore, the field of view of the driver is not blocked by the in-vehicle monitor 3. Further, by applying appropriate design to the upper surface when the in-vehicle monitor 3 is in the prone posture, that is, the upper surface of the in-vehicle monitor support device 1 and the rear surface of the in-vehicle monitor 3, the appearance quality in the prone posture can be maintained.

  The in-vehicle monitor support device 1 according to the present embodiment can be electrically driven between a prone posture and a standing posture by a configuration of a link mechanism or the like to be described later, and stability is ensured, and rattling is unlikely to occur. Therefore, the in-vehicle monitor 3 may be a large monitor having a large weight such as a monitor screen 31 having a size of 9 inches or more.

  FIG. 5 is a perspective view of the in-vehicle monitor support device according to the embodiment of the present invention, FIG. 6 is a plan view thereof, and FIG. 1 is a right side view thereof. 1, FIG. 5, and FIG. 6 all show the in-vehicle monitor support device in the prone posture. FIG. 7 is an exploded perspective view of the in-vehicle monitor support device of the present embodiment. In the following description, the terms front and rear (depth direction), left and right (lateral direction), and upper and lower (vertical direction) are based on the example of FIG.

  The in-vehicle monitor support device 1 includes a base 11, a slider 12, an arm 13, a joint 14, and a base middle bone 15. The base 11 includes a substantially square lower chassis 111, a position sensor guide 112 placed thereon, a left rail 113 fixed to the upper left side of the lower chassis 111, and a right fixed to the upper right side of the lower chassis 111. The rail 114 and the front cover 115 fixed to the upper surface front side of the lower chassis 111 are provided. A vertical wall 116 is raised vertically on the rear side of the base 11.

  An accommodation space is formed in the center of the base 11 by the left rail 113, the right rail 114, the front cover 115, and the vertical wall 116 on the rear side, and the base 11 is formed in a tray shape having a bottom surface on the lower side. ing. Guide grooves 1131 and 1141 for guiding the sliding of the slider 12 in the front-rear direction are formed on the accommodation space side of the left rail 113 and the right rail 114. A rack gear 1132 extending in the front-rear direction is further formed on the accommodation space side of the left rail 113.

  The horizontal width of the slider 12 substantially matches the horizontal width of the accommodation space of the base 11. The length of the slider 12 in the depth direction is shorter than half the length of the accommodation space of the base 11 in the depth direction. The slider 12 is housed in the housing space of the base 11. The slider 12 has a plate-like slider base 121. The side edges of the slider base 121 are fitted in the guide grooves 1131 and 1141, and the slider 12 is guided by the guide grooves 1131 and 1141, and can slide in the front-rear direction in the accommodation space of the base 11. The front portion of the slider base 121 is formed with bearings 129 that stand vertically and bend forward at the upper portion and receive a horizontal shaft at the tip at two locations separated by a certain distance.

  The base middle bone 15 is fixed to the rear of the base 11. The base middle bone 15 is designed to cover the slider 12 that has moved to the rear of the base 11 from above while being fixed to the base 11. As a result, when the slider 12 slides to the rear of the accommodation space of the base 11, it slides into a space formed between the lower chassis 111 of the base 11 and the base middle bone 15.

  On the upper surface of the base middle bone 15, two bearings 151 for receiving a lateral axis are erected at a predetermined distance. A movable auxiliary spring metal fitting 152 is fixed to the upper surface of the base middle bone 15. The movable auxiliary spring metal fitting 152 includes a horizontal piece 1521 fixed to the upper surface of the base middle bone 15, and two bearings 1522 that stand upright from the left and right of the horizontal piece 1521 and receive a horizontal axis. A movable auxiliary spring 153 is provided between the two bearings 1522. The movable auxiliary spring 153 is a string-wound spring, and one end and the other end thereof are extended forward and bent laterally at the tip. The movable auxiliary spring 153 is rotatably held by a movable auxiliary spring shaft 154 inserted therein. The movable auxiliary spring shaft 154 passes through the movable auxiliary spring 153 and is pivotally supported by two bearings 1522.

  The arm 13 is a substantially square plate-like member. Front portions and rear portions of the left side and the right side of the arm 13 are bent at a right angle downward to form bearings 131 and 132 that respectively receive lateral shafts. On the rear lower surface of the arm 13, there is a movable stopper 133 having an L-shape in side view, which is composed of a horizontal piece 1331 along the lower surface of the arm 13 and a vertical piece 1332 extending from the rear end of the horizontal piece in a direction perpendicular to the lower surface of the arm 13. It is fixed. A play cushion 1333 is attached to the lower surface of the horizontal piece of the movable stopper 133.

  The in-vehicle display 3 is attached to the joint 14. The joint 14 corresponds to the support member of the present invention. The joint 14 is a substantially rectangular plate member. The side of the joint 14 on the side of the arm 13 is bent at a right angle downward at two points separated by a certain distance to form two bearings 141 that receive the lateral axis. The side on the slider 12 side of the joint 14 is bent at a right angle downward at two points spaced apart from each other to form two bearings 142 that receive the lateral axis.

  A movable close stopper 143 is fixed to the rear end (rear side) of the joint 14. The movable close stopper 143 is provided at a location far from the connecting portion with the arm 13 in the joint 14, that is, near the connecting location with the slider 12. The rear ends of both ends of the movable close stopper 143 are smooth curved surfaces.

  The bearing 151 of the base middle bone 15 and the bearing 132 on the rear side of the arm 13 are rotatably connected by a lateral shaft 16. A bearing 131 on the front side of the arm 13 and a bearing 141 on the arm side of the joint 14 are rotatably connected by a shaft 17 in the lateral direction. A bearing 142 on the slider 12 side of the joint 14 and a bearing 129 formed at the front portion of the slider 12 are rotatably connected by a shaft 18 in the lateral direction.

  One end of the movable auxiliary spring 153 extended is locked to the arm 13, and the other end is locked to the base middle bone 15. In the prone state shown in FIG. 5 and the like, one end and the other end of the movable auxiliary spring 153 are respectively engaged with the arm 13 and the base middle bone 15 and are urged so that the angle therebetween becomes small. That is, the arm 13 is urged by the movable auxiliary spring 153 in a direction to rise with respect to the base middle bone 15.

  By integrating the integrated member of the base 11 and the base middle bone 15 (hereinafter simply referred to as “base 11” in the description of the link mechanism), the slider 12, the arm 13, and the joint 14 as described above. A slider crank mechanism in which the slider 12 slides with respect to the base 11 is configured. These slider 12, arm 13, and joint 14 are members that are driven to drive the in-vehicle monitor 3, and the configuration comprising these members is between the standing posture and the prone posture with respect to the base 11. The vehicle-mounted monitor 3 is driven and corresponds to the drive mechanism of the present invention.

  The slider crank mechanism of the in-vehicle monitor support device 1 according to the present embodiment is designed so that the arm 13 and the joint 14 overlap each other when the slider 12 is located at the rearmost position of the accommodation space of the base 11 (the prone posture). ing. In addition, since the rear surface of the in-vehicle monitor 3 is held on the downward surface of the joint 14 in the prone posture, the in-vehicle monitor 3 is in the prone posture. Therefore, the in-vehicle monitor support device 1 accommodates the in-vehicle monitor 3 in the prone posture. Space is secured. That is, as shown in FIG. 1, the slider crank mechanism is designed so that the joint 14 and the arm 13 that are overlapped in the prone posture are positioned at a height that is separated from the upper end of the base 11 by a distance corresponding to the thickness of the in-vehicle monitor 3. ing.

  The slider 12 is provided with a motor 122, a worm gear 123, a worm wheel 124, a transmission gear 125, and a pinion gear 126 on a slider base 121, and a gear cover 128 is put on them.

  FIG. 8 is a plan view of the slider 12 as viewed from the back side of the gear cover 128 with the slider base 121 removed. The worm gear 123 is fixed to the rotation shaft of the motor 122 and rotates together with the rotation shaft of the motor 122. The worm gear 123 meshes with the worm wheel 124, the worm wheel 124 meshes with the transmission gear 125, the transmission gear 125 meshes with the pinion gear 126, and the pinion gear 126 is formed on the left rail 113 of the base 11. Is engaged with the rack gear 1132. With such a gear configuration, the rotation of the motor 122 is transmitted to the pinion gear 126, and the pinion gear 126 moves in the extending direction of the rack gear 1132 while rotating.

  The slider 12 is further provided with a position sensor 127. The position sensor 127 includes a guide groove 1271 in the left-right direction and a pin 1272 that can move in the left-right direction along the guide groove 1271, and detects the position of the pin 1272 in the guide groove 1271. The pin 1272 is fitted into a guide groove 1121 formed in the position sensor guide 112 and a guide groove 1111 formed in the lower chassis 111. The guide groove 1121 formed in the position sensor guide 112 and the guide groove 1111 formed in the lower chassis 111 correspond to each other, that is, the guide groove 1121 and the guide groove 1111 overlap each other.

  The guide groove 1121 formed in the position sensor guide 112 and the guide groove 1111 formed in the lower chassis 111 are formed obliquely with respect to the moving direction of the slider 12, that is, the front-rear direction. Therefore, as the slider 12 moves back and forth with respect to the base 11 and the pin 1272 moves along the guide groove 1121 and the guide groove 1111, the pin 1272 moves in the guide groove 1271 left and right. Therefore, the position sensor 127 can detect the position of the slider 12 in the front-rear direction with respect to the base 11 by detecting the left-right position of the pin 1272 in the guide groove 1271.

  FIG. 9 is a side view of the in-vehicle monitor support device 1 in the standing posture (maximum tilt angle). FIG. 10 is a perspective view of the in-vehicle monitor support device 1 in a standing posture (minimum tilt angle). As shown in FIG. 9, when the slider 12 is positioned at the foremost position, the joint 14 has the maximum tilt angle. Also, as shown in FIG. 10, a position where the slider 12 is slightly retracted from the foremost position is defined as an upright posture with a minimum tilt angle.

  When the in-vehicle monitor 3 is used, the vehicle-mounted monitor 3 can be fixed and used in any posture between the standing posture with the maximum tilt angle shown in FIG. 9 and the standing posture with the minimum tilt angle shown in FIG. In the present embodiment, the minimum tilt angle is 90 degrees or less (the monitor screen 31 of the in-vehicle monitor 3 is slightly downward).

  When the joint 14 is between the standing posture with the maximum tilt angle and the standing posture with the minimum tilt angle, a triangular truss including the base 11, the joint 14, and the arm 13 is formed in a side view. Therefore, even when the large and heavy vehicle-mounted monitor 3 is held at the joint 14 and a large counterclockwise torque in FIG. 9 is applied to the joint 14, this torque can be countered by the configuration of the triangular truss.

  Further, in the in-vehicle monitor support device that supports the in-vehicle monitor in a cantilever shape, vibration of the in-vehicle monitor with respect to the in-vehicle monitor support device is likely to occur due to the vibration of the vehicle. As described above, since the in-vehicle monitor 3 is supported by the method of fixing to one link of the triangular truss structure, even when the vehicle vibrates vigorously in the standing posture, the vibration of the in-vehicle monitor 3 with respect to the in-vehicle monitor support device 1 occurs. Absent.

  In particular, since the rotation shaft between the arm 13 and the base 11 is fixed, a large load applied to the base 11 from the arm 13 can be received. Further, as shown in FIG. 9, in the upright posture with the maximum tilt angle, since the slider 12 is stopped at the foremost mechanical end, a large forward load applied from the joint 14 to the slider 12 is mechanically applied. I can take it.

  Next, the operation of the in-vehicle monitor support device 1 having the above-described link mechanism and slider configuration will be described. As described above, the left and right ends of the slider base 121 are fitted in the guide groove 1131 of the left rail 113 and the guide groove 1141 of the right rail 114, respectively, and when the motor 122 is driven, the rotation is transmitted to the pinion gear 126. Then, the pinion gear 126 moves in the extending direction of the rack gear 1132 while rotating, and the slider 12 moves in the front-rear direction in the accommodation space of the base 11.

  When the slider 12 comes to the foremost position due to the movement of the slider 12, the joint 14 takes the upright posture with the maximum tilt angle as shown in FIG. 9, and when the slider 12 comes to a position slightly retracted from the foremost position, As shown in FIG. 10, No. 14 is an upright posture with a minimum vertical tilt angle. When the slider 12 moves to the rear end of the base 11, the joint 14 and the arm 13 overlap each other at a certain distance from the base 11 and are held horizontally with the base 11. At this time, the in-vehicle monitor 3 supported by the joint 14 fits in the space between the overlapping joint 14 and the arm 13 and the base 11 with the monitor screen 31 facing downward, and the monitor screen 31 of the in-vehicle monitor 3 is 11 is supported from below.

  FIG. 11 is a side view showing the in-vehicle monitor support device 1 that is driven between the standing posture (maximum tilt angle) and the standing posture (minimum tilt angle) and the in-vehicle monitor 3 that is supported by the in-vehicle monitor support device 1. FIG. 12 is a block diagram of a monitor driving device in the in-vehicle monitor support device according to the embodiment of the present invention. As shown in FIG. 12, the monitor drive device 10 includes a motor 101, a motor driver 102, a position sensor 103, a control unit 104, a position memory 105, and an operation unit 106. The motor 101 corresponds to the motor 122 described above, and the position sensor 103 corresponds to the position sensor 127 described above.

  The operation unit 106 accepts an opening operation, a closing operation, a tilt-up operation, a tilt-down operation, and a memory operation by the user, and generates an operation signal according to the user's operation. The operation unit 106 provides the generated operation signal to the control unit 104. The position memory 105 stores any position between the standing posture with the maximum tilt angle and the standing posture with the minimum tilt angle as the position information of the set standing posture. The motor driver 102 drives the motor 101 in accordance with a control signal from the control unit 104. The position sensor 103 provides the detected position information of the pin 1272 to the control unit 104. The control unit 104 converts the position information of the pin 1272 obtained from the position sensor 103 into position information in the front-rear direction of the slider 12.

  When the user performs a tilt-up operation or a tilt-down operation on the operation unit 106 while the link mechanism is in the standing posture, an operation signal corresponding to the operation is provided from the operation unit 106 to the control unit 104. When the control unit 104 receives the operation signal of the tilt-up operation or the tilt-down operation, the slider 12 moves by an amount corresponding to the operation signal between the standing posture with the maximum tilt angle and the standing posture with the minimum tilt angle. Therefore, a control signal is given to the motor driver 102. By this tilt-up operation and tilt-down operation, the in-vehicle monitor 3 supports the in-vehicle monitor with an arbitrary tilt angle between the maximum tilt angle and the minimum tilt angle as shown in FIG. It can be supported by the device 1.

  When the user performs a memory operation on the operation unit 106 while the link mechanism is in the standing posture, an operation signal corresponding to the operation is provided from the operation unit 106 to the control unit 104. The control unit 104 updates the position information stored in the position memory 105 with the position information of the slider 12 based on the detection value of the position sensor 103 at that time.

  When the user performs a closing operation on the operation unit 106 while the link mechanism is in the standing posture, an operation signal corresponding to the operation is provided from the operation unit 106 to the control unit 104. The control unit 104 gives the motor driver 102 a control signal for driving the motor 101 so that the slider 12 moves backward to the end. When the motor driver 102 drives the motor 101 in accordance with this control signal, the slider 12 moves backward to the end of the accommodation space of the base 11, and the link mechanism and the in-vehicle monitor 3 supported thereby are shown in FIGS. It will be the prone posture shown.

  When the user performs an opening operation on the operation unit 106 when the slider 12 is at the rearmost position of the base 11, that is, when the link mechanism is in the prone posture, an operation signal corresponding to the operation is sent to the operation unit 106. To the control unit 104. Upon receiving the opening operation signal, the control unit 104 drives the slider 12 in the forward direction so that the set standing posture stored in the position memory 105 is obtained. Specifically, the control unit 104 compares the position information of the set standing posture read from the position memory 105 with the position information of the slider 12 acquired from the position sensor 103, and performs feedback control on the motor driver 102. As a result, the motor 101 is driven so that the link mechanism is in the set upright posture.

  When the link mechanism is in the prone posture and the in-vehicle monitor 3 supported by the joint 14 is also in the prone posture, when the in-vehicle monitor 3 is driven to lift up toward the standing posture (at the time of startup), the in-vehicle monitor 3 Compared to when the monitor 3 is driven in a standing state to some extent, a large load is applied due to the weight of the in-vehicle monitor 3, and a large amount of power is required. In the in-vehicle monitor support device 1 of the present embodiment, a movable auxiliary spring 153 is provided for this purpose.

  As described above, the movable auxiliary spring 153 biases the arm 13 in the direction in which the arm 13 rises with respect to the base middle bone 15 when the arm 13 is in the prone posture or in the vicinity thereof. By canceling a part of the large load due to the weight of the vehicle-mounted monitor 3 at the time of raising, the driving at the time of starting is assisted. Further, when the link mechanism is changed from the standing posture to the prone posture, the drive is accelerated by the weight of the in-vehicle monitor 3 in the vicinity of the prone posture, and the monitor screen 31 is intensely applied to the base 11 due to the vertical vibration of the vehicle itself. You may be struck. The movable auxiliary spring 153 also has an effect of mitigating unintended drive acceleration due to the weight of the vehicle-mounted monitor 3 in the vicinity of the prone posture in the drive from the standing posture to the prone posture. In the prone posture, the arm 13 is always urged by the movable auxiliary spring 153 in the direction from the prone posture to the standing posture. Regardless, the arm 13 can maintain the prone posture by its own weight including the weight of the in-vehicle monitor 3 and the lock mechanism described below.

  FIG. 13 is an exploded perspective view of the movable stopper 133 and the backlash cushion 1333 as viewed from below, and FIG. 14 is a perspective view of the movable stopper 133 attached to the arm 13. Hereinafter, the lock mechanism in the in-vehicle monitor support device of the present embodiment will be described.

  As described above, in the prone posture, the plate-like arm 13 and the plate-like joint 14 overlap each other. A movable stopper 133 having an L shape in side view is fixed to the lower surface of the arm 13, and a backlash removing cushion 1333 is fixed to the lower surface of the horizontal piece 1331. As shown in FIGS. 13 and 14, the vertical piece 1332 of the movable stopper 133 is formed with two “K” -shaped presser plate springs 1334 having a forward mountain with a certain distance from side to side. ing. The holding plate spring 1334 is made of resin. The presser leaf spring 1334 is fixed in a cantilever manner to the movable stopper 133 on the upper side, and has a free end on the lower side. Therefore, by applying a force to the presser leaf spring 1334 on the rear side, the presser plate spring 1334 is elastically deformed and tilted to the rear side.

  15 is a cross-sectional view taken along the line AA in FIG. 6, and FIG. 16 is a cross-sectional view taken along the line BB in FIG. FIG. 17 is a side view showing the relationship between the movable closing stopper 143 and the presser leaf spring 1334 in the vicinity of the prone posture. As shown in FIG. 15, when the arm 13 and the joint 14 overlap each other in the prone posture, the movable close stopper 143 provided on the rear side of the arm 13 is in front of the vertical piece 1332 of the movable stopper 133, and the vertical piece 1332 However, as shown in FIG. 16, the tip of the movable closing stopper 143 comes into contact with the presser plate spring 1334 protruding forward by the vertical piece 1332.

  When the link mechanism is deformed from the standing posture to the prone posture and close to the prone posture, the tip of the movable close stopper 143 fixed to the rear end (rear side) of the joint 14 is brought into contact with the presser plate spring 1334 as shown in FIG. approach. When the movable closing stopper 143 is in the prone posture shown in FIG. 16, the tip (rear end) pushes the peak of the holding plate spring 1334 of the moving stopper 133 to the rear side, thereby elastically deforming the holding plate spring 1334. . When the tip of the movable close stopper 143 gets over the peak of the presser plate spring 1334, the tip of the movable close stopper 143 is urged upward by the upper side of the presser plate spring 1334.

  At this time, the tip of the movable close stopper 143 is pressed against the backlash cushion 1333 on the lower surface of the horizontal piece 1331 as shown in FIG. That is, when the movable close stopper 143 climbs over the mountain against the elasticity of the presser plate spring 1334, the movable close stopper 143 is pushed up by the presser plate spring 1334 from below and pressed against the backlash cushion 1333 from above and sandwiched between the two. Fixed.

  As described above, by restricting the in-vehicle monitor 3 from changing the posture from the prone posture to the standing posture by the presser plate spring 1334, the rattling of the in-vehicle monitor 3 during traveling of the vehicle can be reduced. That is, if the monitor support device is attached to a target that does not move at all, a stable prone posture can be maintained by the weight of the monitor, but the monitor support device of the present embodiment is mounted on a vehicle. Since it is an in-vehicle monitor support device that supports an in-vehicle monitor, naturally, an object to which the in-vehicle monitor is attached, that is, a vehicle, generates vertical vibrations of large energy.

  Therefore, even in the prone posture, large upward and downward forces may act on the in-vehicle monitor 3 due to vertical vibration of the vehicle. On the other hand, as described above, the in-vehicle monitor support device 1 of the present embodiment stands up with respect to the in-vehicle monitor 3 in the prone posture by providing a lock mechanism for one link element of the link mechanism. The posture is suppressed from changing in the direction toward the posture (the direction in which the vehicle-mounted monitor 3 stands up). Therefore, even in the prone posture, rattling of the in-vehicle monitor 3 with respect to the in-vehicle monitor support device 1 that supports the in-vehicle monitor 3 due to vibration during traveling can be reduced.

  Furthermore, in the present embodiment, the tip of the movable closing stopper 143 is pressed against the backlash cushion 1333 in a state of exceeding the crest of the presser plate spring 1334, that is, in a state locked to the presser plate spring 1334. There is no play in the arm 13 in the locked state, and rattling can also be suppressed in this respect. Further, since the movable close stopper 143 is provided at a location far from the connection portion with the arm 13 in the joint 14, that is, in the vicinity of the connection location with the slider 12, the joint 14 is more firmly fixed to the arm 13. The

  Further, the configuration for suppressing the rattling in the prone posture is not a configuration in which the in-vehicle monitor 3 is directly fixed somewhere, that is, a configuration in which the in-vehicle monitor 3 is directly provided with a lock mechanism, but one link element of the link mechanism. Therefore, the lock mechanism can be realized with a simple configuration as compared with the case where the in-vehicle monitor 3 is directly provided with the lock mechanism. Moreover, the versatility with respect to the various vehicle-mounted monitors 3 of this vehicle-mounted monitor support apparatus 1 is securable.

  In the above-described embodiment, the presser leaf spring 1334 is provided on the arm 13 and the movable close stopper 143 is provided on the joint 14. Conversely, the presser plate spring is provided on the joint 14 and the movable close stopper is provided on the arm 13. May be. Further, the lock mechanism may be provided between other link elements instead of or in addition to that of the present embodiment. For example, a lock mechanism is provided between the slider 12 and the base 11, between the joint 14 and the slider 12, between the joint 14 and the base 11, or between the arm 13 and the base 11, and locked in a prone state. It may be a thing to do.

  INDUSTRIAL APPLICABILITY The present invention has an effect of reducing the backlash of the in-vehicle monitor with respect to the in-vehicle monitor support device in the prone posture, and is useful as an external type in-vehicle monitor support device.

DESCRIPTION OF SYMBOLS 1 In-vehicle monitor support apparatus 2 Support apparatus fixing member 3 In-vehicle monitor 10 Monitor drive apparatus 11 Base 12 Slider 13 Arm 14 Joint 15 Base center 31 Monitor screen 101 Motor 102 Motor driver 103 Position sensor 104 Control part 105 Position memory 106 Operation part 111 Lower chassis 112 Position sensor guide 113 Left rail 114 Right rail 115 Front cover 116 Vertical wall 121 Slider base 122 Motor 123 Worm gear 124 Worm wheel 125 Transmission gear 126 Pinion gear 127 Position sensor 128 Gear cover 129 Bearing 131 Bearing 132 Bearing 133 Movable stopper 141 Bearing 142 Bearing 143 Movable closing stopper 151 Bearing 152 Movable auxiliary spring metal fitting 153 Movable auxiliary spring 154 Movable auxiliary The spring shaft 1111 guide groove 1121 guide groove 1131 guide groove 1132 rack 1141 guide groove 1271 guide groove 1272 pin 1331 horizontal plate 1332 perpendicular block 1333 backlash removal cushion 1334 pressing plate spring 1521 horizontal plate 1522 bearing DB Dashboard

Claims (3)

It is an external type in-vehicle monitor support device that supports an in-vehicle monitor,
A drive mechanism for driving the in-vehicle monitor between a standing posture in which the in-vehicle monitor stands up and a prone posture in which the in-vehicle monitor is horizontal with respect to the base;
A lock mechanism for locking a member driven to drive the in-vehicle monitor in the drive mechanism in the prone posture;
Equipped with a,
The lock mechanism includes a leaf spring, and locks the support member to which the in-vehicle monitor in the drive mechanism is attached in the prone posture,
The in-vehicle monitor support device, wherein the leaf spring has a dogleg shape, and when the support member is in the prone posture, a part of the support member gets over the crook-like mountain. . The part of the support member is pressed against a cushion member when a part of the support member climbs over the square-shaped mountain and assumes the prone posture. In-vehicle monitor support device. It is an external type in-vehicle monitor support device that supports an in-vehicle monitor,
  A drive mechanism for driving the in-vehicle monitor between a standing posture in which the in-vehicle monitor stands up and a prone posture in which the in-vehicle monitor is horizontal with respect to the base;
  A locking mechanism for locking a member driven to drive the in-vehicle monitor in the driving mechanism in the prone posture,
The drive mechanism is a member driven to drive the in-vehicle monitor,
  An arm rotatably connected to the base;
  A slider slidably provided on the base;
  A joint that is rotatably connected to the slider and the arm, and supports the in-vehicle monitor,
  A slider crank mechanism with
  The slider crank mechanism is
  The in-vehicle monitor has the prone posture between the slider and the arm, and the arm and the slider that are overlapped with the base,
  The lock mechanism fixes the vicinity of the joint of the joint with the slider to the arm in the prone posture.
  An on-vehicle monitor support device characterized by that.

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