JP3824448B2 - Electronic device moving unit guide device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electronic apparatus in which a moving unit supporting, for example, a display member and an operation member moves inside a housing, and in particular, a guide member that guides the moving unit can be accurately positioned and fixed. The present invention relates to a movable part guide device.
[0002]
[Prior art]
FIG. 11 is a partial perspective view showing a conventional in-vehicle electronic device.
The housing 1 has a box shape formed of a metal plate. The housing 1 has a 1DIN size, and is embedded in a dashboard or the like in a car cabin. A cosmetic nose 2 made of synthetic resin is attached to the front of the housing 1. An opening 3 is formed in the makeup nose 2, and an operation member such as a push button is disposed on the front surface of the makeup nose 2 at a portion other than the opening 3.
[0003]
In the housing 1, a projecting and moving part 6 that projects forward from the opening 3 is provided. The projecting and moving unit 6 includes a moving member 4 and a device main body (rotating unit) 5 that is rotatably connected to the moving member 4 by a shaft 4a. When the device is not used, the moving member 4 is moved into the housing 1 and the device body 5 is housed in the housing 1 in a horizontal posture. When a protrusion operation button or the like is pressed, the moving member 4 protrudes from the opening 3 to the front of the housing 1. Further, the device main body 5 supported by the moving member 4 rotates in the direction of the arrow with the shaft 4a as a fulcrum, so that the device main body 5 is in a standing posture. The device body 5 is provided with a display screen such as a liquid crystal panel, and the display screen is directed to the front of the housing 1 when the device body 5 is in a standing posture.
[0004]
[Problems to be solved by the invention]
In the case shown in FIG. 11, guide means is provided inside the housing 1, and the moving member 4 is movably guided by the guide means. However, if the guide surface of the guide means is not set so as to be accurately horizontal in the housing 1, the moving member 4 is inclined in the housing 1, or the moving member 4 is accurate in the housing 1. Cannot be moved horizontally or the moving operation of the moving member 4 becomes awkward.
[0005]
Furthermore, if the moving member 4 is guided in a state in which it is not reliably restrained from above and below, the moving member 4 and the device main body 5 will rattle in the up and down direction.
[0006]
As a result, when the vehicle body vibration is applied, the moving member 4 moves up and down in the housing 1 and easily generates rattling noise. In addition, in the device shown in FIG. 11, since the heavy equipment body 5 is supported at the tip of the moving member 4, if the moving member 4 rattles in the housing 1, the equipment main body protrudes forward of the housing 1. This causes a problem that 5 is unstablely shaken and it is difficult to view the display screen of the device body 5.
[0007]
Therefore, it is necessary to position and attach the guide means to the side plate of the housing 1 with high accuracy. However, for this positioning, a complicated positioning mechanism is required in the housing, or a complicated jig for attaching the guide means is required, and the assembling work becomes complicated.
[0008]
The present invention solves the above-described conventional problems, and can guide and position the guide member with high accuracy in the casing without complicating the mechanism, and the moving member is rattled in the casing. It is an object of the present invention to provide a moving member guide device for an electronic device that can be moved without any problem.
[0009]
[Means for Solving the Problems]
Moving section plan in the apparatus of the present invention, provided a housing having a side plate, and a movable part provided movably in the housing, a guide member for guiding the moving portion provided inside the side plate, is Electronic devices
The guide member is formed with a guide surface for guiding the moving portion, a protrusion having an extended surface that is flush with the guide surface, and a support portion.
The side plate is formed with a notch having an inner edge serving as a positioning reference for the guide surface, the protrusion is inserted into the notch, and the extended surface is in contact with the inner edge of the notch And the support portion of the guide member is fixed to the side plate ,
A casing-side guide surface having a predetermined distance from the inner edge of the notch is provided in the casing, and the moving member is sandwiched between the guide surface of the guide member and the casing-side guide surface. It is characterized by moving .
[0010]
In the above means, the extended surface extended from the guide surface of the guide member comes into contact with the inner edge portion of the notch portion of the housing, so that the guide surface can be accurately positioned with reference to the inner edge portion. Therefore, if the position of the inner edge portion is determined with high accuracy on the side plate of the housing, the guide surface of the guide member can be installed accurately. For example, the guide surface of the guide member is installed with high accuracy in the housing. it can. Therefore, the moving member can be stably guided.
[0012]
In this case, for example, the moving member is provided with a roller, and the roller moves while being sandwiched between the guide surface of the guide member and the housing side guide surface. In addition, the sliding protrusion which protrudes from a moving member may be pinched | interposed between the guide surface of the said guide member, and the said housing | casing side guide surface, and may slide.
[0013]
For example, the housing side guide surface is an inner surface of a ceiling plate or a bottom plate bent at a right angle from a side plate of the housing. Alternatively, in addition to the ceiling plate and the side plate, a housing side guide surface bent at a right angle from the side plate of the housing may be provided.
[0014]
As described above, when the housing side guide surface is provided in the housing and the space between the housing side guide surface and the inner edge portion of the notch portion is processed with high accuracy, the movement sandwiched between the two guide surfaces is performed. The member has a minimum gap so that it can move without wobbling up and down and without receiving a large clamping load.
[0015]
The guide member is formed of a metal plate, the support portion is bent at a right angle from one side portion of the guide surface, and the projection protrudes continuously from the other side portion of the guide surface, The support portion and the side plate of the housing are fixed by caulking.
[0016]
When the guide member is configured by bending the metal plate into an L shape in this way, the guide member can be manufactured at low cost by press molding. Further, the support part bent at a right angle functions to increase the surface strength of the guide surface, and the flatness of the guide surface can be ensured with high accuracy. Further, when the guide member and the side plate of the housing are caulked, the guide member can be easily attached. The guide member may be integrally formed with resin or the like.
[0017]
Further, the moving unit is provided with a rotating unit having a display unit and / or an operating unit on the front surface, and the rotating unit protrudes forward of the casing, and the rotating unit is connected to the casing . It is possible that the front face is turned to a rising posture with the front face facing the front of the housing .
[0018]
However, the moving unit may be a unit that moves only within the housing and moves by mounting a recording medium such as an optical disk or a magneto-optical disk.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
1 is an exploded perspective view showing a structure of a front part of a case of an in-vehicle electronic device as an embodiment of the present invention, FIG. 2 is a partial front view of the front part of the case with a makeup nose removed, and FIG. FIG. 4 is a partial perspective view showing a guide member mounting structure in the housing, FIG. 4 is a partial plan view showing the guide member mounting structure in the housing, and FIG. 5 is an enlarged sectional view taken along line VV in FIG. 6 is an enlarged cross-sectional view taken along the line VI-VI in FIG. 4, and FIGS. 7 to 10 are side views showing the movement operation of the protruding moving part with the makeup nose removed.
[0020]
The in-vehicle electronic device shown in FIG. 1 and the following has a box-shaped housing 11. In the figure, the housing 11 is bent in a U shape with a metal plate, and has a ceiling plate 12 and side plates 13 and 13 bent at right angles from both sides of the ceiling plate 12. A bottom plate (not shown) is assembled to the bottom of the housing 11, and the bottom plate and the side plates 13 and 13 are fixed with screws or the like. As shown in FIG. 1, the front edge of the ceiling plate 12 is provided with a bifold portion 12 a in which a metal plate constituting the housing 11 is partially folded.
[0021]
As shown in FIG. 7 and the like, in the housing 11, a portion that is offset toward the ceiling plate 12 side is a storage / movement region 14 of the protruding movement unit 20. Correspondingly, the upper area of the front part of the housing 11 is a protruding area 16 (see FIGS. 1 and 7) of the protruding moving part 20. A space below the storage / movement area 14 of the housing 11 is a mechanism / circuit storage area 15. In the illustrated embodiment, a disk drive mechanism for driving an MD (mini disk) is stored in the mechanism / circuit storage area 15. The mechanism / circuit storage area 15 stores various electronic circuits such as a disk drive circuit, a tuner, an amplifier, and a power supply circuit.
[0022]
Further, a guide member 30 for guiding the protruding moving portion 20 is provided inside the side plates 13 and 13 of the housing 11. In addition, a makeup nose 40 that covers an area other than the protruding area 16 of the protruding moving part 20 is attached to the front part of the casing 11.
[0023]
The protruding moving unit 20 includes a moving member 21, a support member 22 supported inside the moving member 21, and an apparatus main body (rotating unit) 23 supported by the support member 22. .
[0024]
Two rollers 24 are rotatably supported on the outer surface of each moving member 21. The roller 24 rolls between the guide member 30 and the inner surface (housing side guide surface) 12 b of the ceiling plate 12 of the housing 11.
[0025]
As shown in FIGS. 1, 3, 5, and 6, the guide member 30 is a guide rail whose cross section is bent into an L shape by a metal plate.
[0026]
The guide member 30 includes a guide plate 31 having an upper surface serving as a guide surface 31a, and a support portion (reinforcing portion) 32 bent at a right angle at one edge portion of the guide plate 31. Protrusions 33 protrude from three locations on the other edge of the guide plate 31. The upper surface of the protrusion 33 is an extended surface 33a that is flush with the guide surface 31a. As shown in FIG. 3, the side plate 13 is formed with three notches (notches) 13 b provided on a straight line along the moving direction of the moving member 21.
[0027]
Inner edge portions 13 c on the upper side of the three cutout portions 13 b are positioned on a straight line along the moving direction of the moving member 21. And as shown in FIG. 5, the space | interval W of the inner edge part 13c of each notch part 13b and the inner surface (housing side guide surface) 12b of the ceiling board 12 is determined with high precision. The interval W is substantially the same as the outer diameter of the roller 24 or is slightly larger than the outer diameter. That is, at least W is equal to or greater than the maximum tolerance of the outer diameter of the roller 24.
[0028]
As shown in FIG. 5, when the projection 33 of the guide member 30 is inserted into the notch 13b of the side plate 13, the extended surface 33a on the projection 33 located on the same plane as the guide surface 31a The distance between the guide surface 31a of the guide member 30 and the inner surface (housing side guide surface) 12b of the ceiling plate 12 of the housing 11 can be set to W by being pressed against the inner edge portion 13c of the portion 13b.
[0029]
As shown in FIG. 3, the side plate 13 is formed with a support recess 13d and support recesses 13e, 13e which are deformed inward of the housing 11. The support recess 13d and the support recesses 13e and 13e are formed to have the same depth. FIG. 6 shows the support recess 13e. The protruding inner plate 13f protruding into the housing 11 of the support recess 13e is parallel to the side plate 13 of the housing 11, and the support portion 32 of the guide member 30 is in close contact with the housing-side inner surface 13f1. In a state in which the housing-side inner surface 13f1 and the support portion 32 are in close contact with each other, the guide surface 31a of the guide member 30 is perpendicular or substantially perpendicular to the side plate 13 and parallel or substantially parallel to the ceiling plate 12.
[0030]
Further, a caulking hole 13f2 is formed in the projecting inner plate 13f, and a barring-processed caulking projection 32a is integrally formed on the support portion 32 of the guide member 30. As shown in FIG. 6, with the caulking protrusion 32a inserted into the caulking hole 13f2, the tip end of the caulking protrusion 32a is caulked, and the support portion 32 of the guide member 30 is fixed to the protruding inner plate 13f. . The inner diameter of the caulking hole 13f2 is slightly larger than the outer diameter of the caulking protrusion 32a, and the position of the guide member 30 can be adjusted up and down with the caulking protrusion 32a inserted into the caulking hole 31f2.
[0031]
The protruding inner plate 13g of the support recess 13d is located at the same position as the protruding inner plate 13f of the support recess 13e, and is similarly formed with a caulking hole.
[0032]
In the mounting operation of the guide member 30, the protrusions 33, 33, 33 of the guide member 30 are inserted into the notches 13b, 13b, 13b of the side plate 13 of the housing 11, and the support portion 32 of the guide member 30 is inserted into the side plate. By pressing against the protruding inner plates 13g, 13f, 13f of the 13 support recesses 13d, 13e, 13e, the caulking protrusions are inserted into the caulking holes (for example, the caulking protrusions 32a are inserted into the caulking holes 13f2). Then, the guide member 30 is pushed in the direction of the ceiling plate 12, and the extended surfaces 33a, 33a, 33a on the protrusions 33, 33, 33 are connected to the inner edge portions 13c, 13c on the upper side of the notches 13b, 13b, 13b of the side plate 13. 13c, and in this state, the caulking projections are caulked into the caulking holes (for example, caulking projections 32a are caulked into holes 13f2), and the guide member 30 is fixed.
[0033]
Thereby, the guide member 30 can set the space | interval of the guide surface 31a and the inner surface (housing side guide surface) 12b of the ceiling board 12 to the said W with high precision in all the locations.
[0034]
The guide member 30 is attached to the side plates 13 and 13 with the same structure. Therefore, a total of four rollers 24 provided on the outer surface of the moving member 21 can roll with a minimum gap between the guide surface 31a and the inner surface 12b of the ceiling plate 12. Further, the roller 24 is not sandwiched between the guide surface 31a and the inner surface 12b, and the moving member 21 can move smoothly.
[0035]
The moving member 21 guided by the guide member 30 moves from the storage position shown in FIGS. 1, 2, 7, and 8 to the protruding position shown in FIGS. As described above, this movement is performed by the roller 24 rolling between the guide surface 31a of the guide member 30 and the inner surface (housing side guide surface) 12b of the ceiling plate 12. The moving distance of the moving member 21 is L1 (see FIGS. 9 and 10). As shown in FIGS. 1 and 2, when the moving member 21 is in the storage position, the front portion 21 a of the moving member 21 protrudes slightly forward from the front portion of the housing 11.
[0036]
As shown in FIG. 8, a support member 22 is movably attached in the moving member 21. As shown in FIG. 10, the moving distance of the support member 22 within the moving member 21 is L2. The device main body (rotating portion) 23 is rotatably connected to the front portion of the support member 22 by a connecting shaft 25. When the support member 22 moves forward by the distance L2, the device main body 23 protrudes forward of the housing 11 in a horizontal posture.
[0037]
As shown in FIG. 10, when the protruding device body 23 rises and pivots upward with the connecting shaft 25 as a fulcrum, a display unit (display unit such as a liquid crystal display) provided on the front surface 23a of the device body 23 and / or The operation unit faces the front of the housing 11 so that the display unit can be viewed from the front of the housing 11 or the operation unit can be operated.
[0038]
The movement of the distance L1 of the moving member 21, the movement of the distance L2 of the support member 22, and the rotation of the device main body 23 to the rising posture can all be performed manually. That is, it is possible to shift from the state of FIG. 7 to the standing posture as shown in FIG. However, there is also a structure in which the moving member 21 is moved by the distance L1 by the power of the motor, the support member 22 is then moved by the distance L2 by the power of the motor, and the device body 23 is further rotated to the standing posture by the power of the motor. Is possible.
[0039]
The device main body 23 is provided with the display unit and operation unit on a front surface 23a facing forward in a standing posture, but as shown in FIG. 1, various operation members such as operation buttons 26 are arranged on the upper surface 23b. is doing. As shown in FIG. 1, when the protruding moving part 20 is in the housed state, the upper surface 23 b of the device main body 23 protrudes in front of the housing 11 to the same position as the front part 21 a of the moving member 21. Therefore, in this state, the operation button 26 and the like provided on the upper surface 23b can be operated. For example, when the moving member 21 and the supporting member 22 move to the front of the housing 11 with the power of the motor, the motor can be started by pressing the operation button 26.
[0040]
As shown in FIG. 1, the makeup nose 40 is made of synthetic resin and is installed at the front of the housing 11.
[0041]
The makeup nose 40 is integrally provided on the front portion of the casing 11 other than the protruding region 16, that is, on the body 41 that covers the front of the mechanism / circuit storage region 15 and on both sides of the body 41. Side frame portions 42, 42. The side frame portions 42, 42 have projecting portions 42 a, 42 a extending upward from the main body portion 41. The protruding portions 42a and 42a of the side frame portions 42 and 42 are not connected to each other and are independent. Further, ribs 42b1 projecting in an L shape in the direction in which the side frame portions 42 and 42 face each other are integrally formed at the tips 42b and 42b of the side frame portions 42 and 42, respectively.
[0042]
As shown in FIG. 1, plate-like insertion protrusions 43 extending in the direction of the housing 11 are integrally formed on the protruding portions 42 a and 42 a of the side frame portions 42 and 42. Further, support pieces 44 extending in the direction of the housing 11 are integrally formed on the side frame portions 42 and 42 at the boundary between the projecting portions 42 a and 42 a and the main body portion 41. The support piece 44 is provided with a mounting hole 44a.
[0043]
When the makeup nose 40 is installed at the front portion of the housing 11, the insertion protrusion 43 is inserted into a gap between the inner surface of the side plate 13 of the housing 11 and the support portion 32 of the guide member 30. The support piece 44 is installed on the outer surface of the side plate 13 of the housing 11, and a mounting screw 45 is inserted into the mounting hole 44 a and screwed into a female screw hole 13 a formed in the side plate 13. As a result, the makeup nose 40 is fixed so as not to be removed forward from the housing 11. Furthermore, a rib 42b1 projecting laterally from the tip 42b of the side frame portion 42 coincides with the side of the bi-folded portion 12a of the ceiling plate 12.
[0044]
When the makeup nose 40 is attached to the front portion of the housing 11, the main body 41 covers the front of the mechanism / circuit storage area 15 at the front portion of the housing 11. In addition, an insertion / discharge port 46 is opened on the front surface of the main body 41 in order to insert and discharge a recording medium such as an MD into a disk drive mechanism in the housing 11. Various operation members 47 are arranged on the front surface of the main body 41.
[0045]
In the present invention, the projecting region 16 of the projecting moving unit 20 is disposed at a position offset toward the bottom plate side of the housing 11, and the guide member 30 is disposed on the inner side of the side plates 13 and 13 of the housing 11. It is attached with the same structure as that of the above-mentioned embodiment with 31a facing downward, and the roller 24 of the moving member 21 is guided between the guide surface 31a and the bottom plate of the housing. May be.
[0046]
Further, a casing-side guide surface other than the ceiling plate 12 and the bottom plate is formed on the side plate of the casing 11 so that the movable member can be guided between the casing-side guide surface and the guide surface 31a of the guide member 30. May be.
[0047]
【The invention's effect】
As described above, according to the present invention, the guide surface of the guide member can be positioned with high accuracy in the housing simply by pressing the guide member against the inner edge of the notch formed in the side plate. In addition, the distance between the guide surface of the guide member and the case-side guide surface can be set with high accuracy, and the moving member can be guided without rattling in the case.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a structure of a front portion of a case of an in-vehicle electronic device as an embodiment of the present invention;
FIG. 2 is a partial front view showing the front part of the housing with a makeup nose removed;
FIG. 3 is a partial perspective view showing a guide member mounting structure in a housing;
FIG. 4 is a partial plan view showing a guide member mounting structure in a housing;
5 is a cross-sectional view taken along line VV in FIG.
6 is a cross-sectional view taken along line VI-VI in FIG.
FIG. 7 is a side view showing a state where the protruding moving part is housed in the housing;
FIG. 8 is a side view showing the structure of the protruding moving part in more detail;
FIG. 9 is a side view showing a state in which the moving member has advanced by a distance L1;
FIG. 10 is a side view showing a state where the support member has advanced by a distance L2 within the moving member;
FIG. 11 is a perspective view showing a structure of a front portion of a housing of a conventional in-vehicle electronic device;
[Explanation of symbols]
11 Housing 12 Ceiling panel 12a Folded portion 12b Inner surface (housing side guide surface)
13 Side plate 13b Notch part 13c Inner edge part 13d, 13e Support recessed part 13f Protrusion inner board 13f2 Caulking hole 20 Protrusion movement part 21 Movement member 22 Support member 23 Equipment main body (rotation part)
30 guide member 31 guide plate 32 support part 32a caulking projection 40 makeup nose

Claims (5)

In an electronic device provided with a housing having a side plate, a moving portion provided movably in the housing, and a guide member provided inside the side plate for guiding the moving portion,
The guide member is formed with a guide surface for guiding the moving portion, a protrusion having an extended surface that is flush with the guide surface, and a support portion.
The side plate is formed with a notch having an inner edge serving as a positioning reference for the guide surface, the protrusion is inserted into the notch, and the extended surface is in contact with the inner edge of the notch And the support portion of the guide member is fixed to the side plate ,
A casing-side guide surface having a predetermined distance from the inner edge of the notch is provided in the casing, and the moving member is sandwiched between the guide surface of the guide member and the casing-side guide surface. mobile unit guiding device of an electronic device, characterized by moving. The moving member roller is provided in the mobile unit guiding device of an electronic device sandwiched by moving according to claim 1, wherein between the guide surface and the housing-side guide surface of the roller is the guide member. The housing-side guide surface, moving part guiding device of an electronic device according to claim 1 or 2, wherein the inner surface of the top plate or bottom plate which is bent at a right angle from the side plate of the housing. The guide member is formed of a metal plate, the support portion is bent at a right angle from one side portion of the guide surface, and the protrusion protrudes continuously from the other side portion of the guide surface. mobile unit guiding device of an electronic apparatus according to any one of parts and the side plate of the housing claims 1 is caulked 3. The moving unit is provided with a rotating unit provided with a display unit and / or an operating unit on the front surface, and the rotating unit projects in front of the casing in a state where the moving unit protrudes forward of the casing. the front is moving part guide device of an electronic apparatus according to any one of the four claims 1 pivoted in the rising posture facing the housing front.

Images