Projector

Abstract

The projector can make the rod inconspicuous. The present invention is provided with: an exterior case having an opposing surface that opposes an installation surface, the exterior case being disposed on the installation surface; a first leg portion having a shaft portion capable of adjusting the amount of protrusion from the facing surface and a plurality of engaged portions provided on the shaft portion, the distal end of the shaft portion being in contact with the installation surface; a lever having an engagement portion that engages with at least one of the plurality of engaged portions and fixes the shaft portion, the lever being provided so as to be rotatable about a rotation axis; and a biasing member that biases the lever in a first rotational direction in which the engagement portion engages with the engaged portion, the exterior case having: a first side surface that is continuous with the facing surface, a part of the lever being exposed from the first side surface; a housing recess provided on the facing surface and opening toward the installation surface; and a wall portion that constitutes a part of the first side surface and constitutes an edge of the housing recess on the first side surface side, and the lever has an insertion portion that is inserted into the housing recess when the lever rotates in a direction opposite to the first rotation direction and the engagement between the engagement portion and the engaged portion is released.

Description

Technical Field

[0001] The present disclosure relates to a projector. Background Art

[0002] Conventionally, there is known a projector including a leg portion that contacts an installation surface (see, for example, Patent Documents 1 and 2).

[0003] The projector described in Patent Document 1 has two legs whose protrusion amount from the main body can be adjusted. The protrusion amount of each leg is adjusted by operating a locking unit that engages with a plurality of rack-shaped recesses formed on the outer periphery of the leg. Specifically, when the operating portion of the locking unit is moved upward, the locking piece of the locking unit that engages with the recess separates from the recess, thereby enabling the leg to protrude from the main body and be inserted into the main body. On the other hand, when the operating portion is moved downward, the locking piece engages with the recess, thereby locking the leg.

[0004] The projector described in Patent Document 2 is provided with a tilt foot mechanism. The tilt foot mechanism includes a rod having an operating portion and a foot having a rod-shaped external threaded portion inserted through a partial cylindrical portion of the rod. An internal threaded portion meshing with the external threaded portion is provided on a portion of the rod. When the operating portion is pressed and the rod is rotated backward, the internal threaded portion leaves the external threaded portion, thereby enabling the foot to move relative to the base in the length direction of the external threaded portion. On the other hand, when the pressure on the operating portion is released, the rod rotates forward with the aid of the elastic force of the spring, and the internal threaded portion is pressed against the external threaded portion. As a result, the foot is fixed to the base again.

[0005] Patent Document 1: International Publication No. 98 / 12601

[0006] Patent Document 2: International Publication No. 2011 / 010360 Utility Model Content

[0007] As in the projectors described in Patent Documents 1 and 2, a lever for adjusting the protrusion amount of the leg is provided near the bottom surface of the projector. In contrast, from the viewpoint of the operability of the lever, the lever is provided to be relatively conspicuous so that the user can recognize the existence of the lever.

[0008] In recent years, there is a demand for a projector with a higher design and a simple appearance. Due to the increase in such demand, a structure that can make the lever for adjusting the protrusion amount of the leg portion inconspicuous is desired.

[0009] A projector according to one embodiment of the present invention comprises: an outer casing having an opposing surface opposed to a setting surface and arranged on the setting surface; a first leg having an axis portion capable of adjusting the amount of protrusion from the opposing surface, and a plurality of engaged portions provided on the axis portion along a protrusion direction of the axis portion from the opposing surface, wherein a distal end of the axis portion contacts the setting surface; a rod having an engaging portion engaged with at least one of the plurality of engaged portions to fix the axis portion, and being arranged to be rotatable around a rotation axis; and a force applying member for applying force to the rod toward the engaging portion. A force is applied in a first rotational direction that is engaged with the at least one engaged portion, and the outer shell has: a first side surface that is continuous with the opposing surface and through which a portion of the rod is exposed; a storage recess that is provided on the opposing surface and opens toward the setting surface; and a wall portion that constitutes a portion of the first side surface and constitutes an edge of the storage recess that is close to the first side surface, the rod having an insertion portion that is inserted into the interior of the storage recess when the rod is rotated in a direction opposite to the first rotational direction to release the engagement between the engaging portion and the at least one engaged portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a perspective view showing the projector according to the first embodiment.

[0011] Figure 2 It is a perspective view showing the projector according to the first embodiment.

[0012] Figure 3 This is a perspective view showing an enlarged portion of the lower case of the first embodiment.

[0013] Figure 4 It is a perspective view showing the adjustment leg portion of the first embodiment.

[0014] Figure 5 It is a perspective view showing the adjustment leg portion of the first embodiment.

[0015] Figure 6 It is a perspective view showing the adjustment leg portion of the first embodiment.

[0016] Figure 7 : is a cross-sectional view showing the adjustment leg portion of the first embodiment.

[0017] Figure 8 It is a cross-sectional view showing the lower housing and the adjustment leg according to the first embodiment.

[0018] Fig. 9 It is a cross-sectional view showing the lower housing and the adjustment leg according to the first embodiment.

[0019] Fig.10It is a front view showing the projector according to the first embodiment.

[0020] Fig.11 It is a cross-sectional view showing a lower housing and an adjustment leg portion included in the projector according to the second embodiment.

[0021] Description of symbols

[0022] 1: projector; 2: outer casing; 21: front side (first side); 22: back side (second side); 26: bottom side (opposing side); 264: protrusion; 265: fixing leg (second leg); 266: configuration part; 267: fixing part; 268: through part; 269: protrusion; 270: cutout; 271: storage recess; 272: wall; 273: restriction surface; 28: inclined surface; 28A: front side inclined surface (casing side inclined surface); 3, 3A: adjusting leg; 4: leg body (first leg); 41: shaft; 42: setting part; 43: engaged part; 5: supporting part; 6, 6A: rod; 61: rotating shaft; 62: engaging part; 63: force-applied part; 64: rib; 65: operating part; 651: first inclined surface; 652: second inclined surface; 66: insertion part; 7: force-applying part; Rx: rotating axis; SF: setting surface; VS1: first imaginary surface; VS2: second imaginary surface. DETAILED DESCRIPTION

[0023] [First embodiment]

[0024] Hereinafter, a first embodiment of the present disclosure will be described based on the drawings.

[0025] [Structure of the projector]

[0026] Figure 1 and Figure 2 1 is a perspective view showing a projector 1 according to the present embodiment. Figure 1 1 is a perspective view showing the projector 1 as viewed from the front side below. Figure 2 1 is a perspective view showing the projector 1 as viewed from the upper rear side.

[0027] The projector 1 of this embodiment projects image light corresponding to image information onto a projection surface. Figure 1 and Figure 2 As shown, the projector 1 has an outer casing 2 .

[0028] In the following description, three directions perpendicular to each other are defined as +X direction, +Y direction, and +Z direction. Figure 2 As shown, the +Y direction is a direction vertically standing with respect to the installation surface SF where the projector 1 is installed. When the projector 1 is viewed from the +Y direction, the +Z direction is a direction in which the projector 1 projects image light.

[0029] Although not shown in the figure, the direction opposite to the +X direction is referred to as the -X direction, the direction opposite to the +Y direction is referred to as the -Y direction, and the direction opposite to the +Z direction is referred to as the -Z direction. Although not shown in the figure, the axis along the +X direction is referred to as the X axis, the axis along the +Y direction is referred to as the Y axis, and the axis along the +Z direction is referred to as the Z axis.

[0030] [Structure of the outer casing]

[0031] like Figure 1 and Figure 2 As shown, the outer casing 2 is a casing constituting the exterior of the projector 1. The outer casing 2 includes an upper casing 2A constituting a portion in the +Y direction and a lower casing 2B constituting a portion in the -Y direction, and the upper casing 2A and the lower casing 2B are combined to form a substantially rectangular parallelepiped shape. The outer casing 2 has a front surface 21, a back surface 22, a right side surface 23, a left side surface 24, a top surface 25, a bottom surface 26, and an inclined surface 28.

[0032] The front surface 21, rear surface 22, right side surface 23 and left side surface 24 are respectively formed by the -Y direction portion of the upper case 2A and the +Y direction portion of the lower case 2B. The top surface 25 is formed by the upper case 2A, and the bottom surface 26 is formed by the lower case 2B.

[0033] The front surface 21 and the back surface 22 are surfaces located on opposite sides to each other on the Z axis. The front surface 21 corresponds to the first side surface, and the back surface 22 corresponds to the second side surface.

[0034] like Figure 1 As shown, the front surface 21 is a side surface of the outer casing 2 facing the +Z direction, and is continuous with the bottom surface 26. The front surface 21 is provided with a projection port 211 through which image light projected onto the projection surface passes.

[0035] like Figure 2 As shown, the back surface 22 is a side surface facing the +Z direction of the exterior cabinet 2. The -Y direction portion of the back surface 22 is formed by a fabric unit FB that covers a speaker unit (not shown) in the -Z direction.

[0036] The right side surface 23 and the left side surface 24 are surfaces located on opposite sides to each other on the X axis. The fabric unit FB is arranged from the back surface 22 to span a part of the right side surface 23 and a part of the left side surface 24 .

[0037] like Figure 2 As shown, the right side surface 23 is a side surface of the outer casing 2 facing the +X direction. A power button 231, connection terminals 232 to 235, and a socket 236 are provided on the right side surface 23.

[0038] like Figure 1As shown, the left side surface 24 is a side surface facing the −X direction of the outer case 2. The left side surface 24 is provided with exhaust ports 241 and 242 for exhausting the cooling gas flowing in the outer case 2.

[0039] The top surface 25 and the bottom surface 26 are surfaces located on opposite sides to each other on the Y axis.

[0040] like Figure 2 As shown, the top surface 25 is a side surface of the outer casing 2 facing the +Y direction.

[0041] [Structure of the bottom surface]

[0042] like Figure 1 As shown in FIG. 1 , the bottom surface 26 is a surface facing the −Y direction of the outer casing 2. Specifically, the bottom surface 26 is an opposing surface facing the installation surface SF when the projector 1 is placed on the installation surface SF.

[0043] The bottom surface 26 is provided with a first introduction port 261 , a second introduction port 262 , a third introduction port 263 , a protruding portion 264 , a fixing leg portion 265 , a placement portion 266 , and an adjustment leg portion 3 . That is, the projector 1 includes the adjustment leg portion 3 .

[0044] The first inlet 261 is disposed in the +X and +Z directions on the bottom surface 26, and the second inlet 262 is disposed in the -X and +Z directions on the bottom surface 26. The third inlet 263 is disposed in the -Z direction end of the bottom surface 26 and substantially in the center of the X axis.

[0045] Each of the inlet ports 261 to 263 introduces the gas outside the outer casing 2 as cooling gas into the inner part of the outer casing 2. The cooling gas introduced into the inner part of the outer casing 2 flows toward the cooling object through a fan (not shown) disposed inside the outer casing 2. The cooling gas after cooling the cooling object is discharged to the outside of the outer casing 2 from the outlet ports 241 and 242.

[0046] The protruding portion 264 is a portion that protrudes in the −Y direction between the introduction ports 261 and 262 and the introduction port 263 on the Z axis, and is formed in a substantially rectangular shape when viewed from the −Y direction.

[0047] The fixed leg 265 is equivalent to the second leg. The fixed leg 265 is respectively provided at the corner of the protrusion 264 in the +X direction and the -Z direction and the corner of the protrusion 264 in the -X direction and the -Z direction. Figure 2 As shown, when the projector 1 is placed on the installation surface SF, the fixed leg 265 contacts the installation surface SF. Unlike the adjustable leg 3, the fixed leg 265 is a leg that cannot adjust the amount of protrusion from the bottom surface 26 in the -Y direction.

[0048] Figure 32 is a perspective view showing an enlarged portion of the lower housing 2B on the front side 21. Figure 3 1 is a perspective view showing the lower housing 2B viewed from the -X direction and the -Y direction.

[0049] like Figure 1 and Figure 3 As shown, the configuration portion 266 is disposed between the first introduction port 261 and the second introduction port 262 and is a concave portion for configuring the adjustment leg portion 3. Figure 3 As shown, the arrangement portion 266 includes a fixing portion 267 , a through portion 268 , a protruding portion 269 , a cutout portion 270 , a housing recess 271 , a wall portion 272 , and a restricting surface 273 .

[0050] The fixing portion 267 is a fixing Figure 1 The screw SC is a fixing member that fixes a supporting member 5 (described later) of the adjustment leg 3 to the lower case 2B.

[0051] The through-portion 268 penetrates the lower housing 2B along the Y-axis. A leg body 4 of the adjustment leg 3 described later is inserted through the through-portion 268 along the Y-axis.

[0052] The protrusion 269 is a portion that protrudes in the -Y direction from the bottom of the arrangement portion 266. Specifically, the protrusion 269 is a portion that protrudes in the -Y direction as it approaches the -Z direction.

[0053] The cutout portion 270 is a portion formed by cutting away the protrusion 269 along the Z axis. Two cutout portions 270 are provided on the protrusion 269, and a rib 64 of a rod 6 described later constituting the adjustment leg 3 is disposed on each cutout portion 270. In addition, among the three protrusions 269 divided by the two cutout portions 270, one protrusion 269 sandwiched by the two cutout portions 270 functions as a shielding portion for preventing the force applying member 7 described later from being visually viewed from the outside of the outer case 2 to the adjustment leg 3.

[0054] The housing recess 271 is a concave portion provided in the +Z direction of the protrusion 269 and recessed in the +Y direction. When the rod 6 rotates in the second rotation direction D2 described later, the insertion portion 66 of the rod 6 described later is inserted into the housing recess 271 .

[0055] The wall portion 272 constitutes a part of the front surface 21. That is, the surface of the wall portion 272 in the +Z direction is a part of the front surface 21. The wall portion 272 forms an edge of the storage recess 271 on the side close to the front surface 21. That is, the end of the wall portion 272 in the -Y direction is away from the bottom of the storage recess 271 in the -Y direction. In other words, the storage recess 271 is recessed from the end of the wall portion 272 in the -Y direction toward the +Y direction.

[0056] The limiting surface 273 is the bottom surface of the storage recess 271. When the rod 6 rotates in the second rotation direction D2, the end of the insertion portion 66 contacts the limiting surface 273. In this way, in addition to limiting the excessive rotation of the rod 6 in the second rotation direction D2, the user can also grasp the situation that the engaging portion 62 of the rod 6, which will be described later, is separated from the engaged portion 43 of the leg body 4, which will be described later.

[0057] [Structure of the inclined surface]

[0058] The inclined surface 28 is provided on the portion of the lower case 2B on the upper case 2A side so as to straddle the front face 21, the rear face 22, the right face 23, the left face 24 and the bottom face 26. The inclined surface 28 includes a front inclined surface 28A, a rear inclined surface 28B, a right inclined surface 28C and a left inclined surface 28D.

[0059] The front side inclined surface 28A is composed of a portion in the -Y direction of the front surface 21 and a portion in the +Y direction of the bottom surface 26. The front side inclined surface 28A is a surface that straddles the front surface 21 and the bottom surface 26 and approaches the installation surface SF as it approaches the back surface 22 on the opposite side of the front surface 21. The +Z direction portion of the above-mentioned arrangement portion 266 opens to the installation surface SF side and the front surface 21 side at the front side inclined surface 28A. Specifically, the storage recess 271 opens toward the installation surface SF at the front side inclined surface 28A.

[0060] The back side inclined surface 28B is composed of a portion of the back side 22 in the -Y direction and a portion of the bottom surface 26 in the +Y direction. The right side inclined surface 28C is composed of a portion of the right side 23 in the -Y direction and a portion of the bottom surface 26 in the +Y direction. The left side inclined surface 28D is composed of a portion of the left side 24 in the -Y direction and a portion of the bottom surface 26 in the +Y direction. The back side inclined surface 28B, the right side inclined surface 28C, and the left side inclined surface 28D are inclined in the same manner as the front side inclined surface 28A.

[0061] [Adjust the structure of the legs]

[0062] Figure 4 and Figure 5 3 is a perspective view showing the adjustment leg 3. In detail, Figure 4 is a perspective view showing the adjustment leg 3 viewed from the +Z direction, Figure 5 It is a perspective view showing the adjustment leg 3 viewed from the -Z direction.

[0063] like Figure 1 As shown, the arrangement portion 266 of the adjustment leg 3 arranged on the bottom surface 26 is a leg that can adjust the amount of protrusion from the bottom surface 26. Figure 4 as well as Figure 5 As shown, the adjustment leg portion 3 includes a leg portion body 4 , a support member 5 , a rod 6 , and a biasing member 7 .

[0064] [Structure of the main body of the leg]

[0065] Figure 6 3 is a perspective view showing the adjustment leg 3 viewed from the +Z direction. Figure 6 In the figure, the support member 5 is omitted.

[0066] The leg body 4 is equivalent to the first leg. Figures 4 to 6 As shown, the leg body 4 includes a shaft portion 41 , a setting portion 42 , an engaged portion 43 , and a fall-off preventing portion 44 .

[0067] The shaft portion 41 is formed in a quadrangular prism shape along the Y axis. By fixing the support member 5 supporting the leg body 4 to the arrangement portion 266, the shaft portion 41 can slide along the Y axis relative to the bottom surface 26. Specifically, the shaft portion 41 can slide in the -Y direction and protrude from the bottom surface 26 in the -Y direction, and can also slide in the +Y direction and be inserted in the +Y direction relative to the bottom surface 26.

[0068] The installation portion 42 is provided at the end of the shaft portion 41 in the -Y direction. That is, the installation portion 42 is provided at the end of the shaft portion 41 protruding from the bottom surface 26. When the leg body 4 is arranged on the bottom surface 26, the installation portion 42 is arranged in the -Y direction relative to the bottom surface 26. When the projector 1 is placed on the installation surface SF, the installation portion 42 contacts the installation surface SF. The installation portion 42 is formed of a resin such as rubber.

[0069] The engaged portion 43 is a portion that can be engaged with the engaging portion 62 of the rod 6. A plurality of the engaged portions 43 are provided on the outer surface of the shaft portion 41 along the protruding direction of the shaft portion 41 from the bottom surface 26. Specifically, the plurality of engaged portions 43 are respectively composed of convex portions arranged along the Y axis on the outer surface of the shaft portion 41. The engaging portion 62 of the rod 6 is engaged with at least one of the plurality of engaged portions 43, thereby limiting the sliding of the shaft portion 41 and, in turn, the leg body 4 along the Y axis.

[0070] The anti-dropout portion 44 is provided at the end portion of the shaft portion 41 in the +Y direction. The anti-dropout portion 44 prevents the shaft portion 41 from dropping off from the support member 5 and further prevents the leg body 4 from dropping off from the bottom surface 26.

[0071] [Structure of the supporting member]

[0072] The support member 5 supports the leg body 4 so that it can slide along the Y axis, and also supports the rod 6 so that it can rotate around the rotation axis Rx along the X axis. The support member 5 is inserted into the configuration portion 266 from the -Y direction while supporting the leg body 4, the rod 6, and the force applying member 7. Figure 1 The screws SC shown are fixed to the arrangement portion 266 .

[0073] [Structure of the rod]

[0074] Figure 7 1 is a diagram showing a cross section of the adjustment leg 3 along the YZ plane.

[0075] By fixing the support member 5 to the arrangement portion 266, the rod 6 is provided on the outer casing 2 so as to be rotatable about the rotation axis Rx. The rod 6 switches between a fixed state in which the leg body 4 is fixed and a slidable state in which the leg body 4 can slide along the Y axis. Figure 7 As shown, the rod 6 is engaged with the engaged portion 43 of the leg body 4 by rotating in the first rotation direction D1, which is the counterclockwise direction when viewed from the +X direction, so that the state of the leg body 4 becomes a fixed state. The rod 6 is separated from the engaged portion 43 by rotating in the second rotation direction D2, which is the opposite direction to the first rotation direction D1, so that the state of the leg body 4 becomes a slidable state.

[0076] like Figure 6 and Figure 7 As shown, the lever 6 includes a rotation shaft portion 61 , an engaging portion 62 , a biased portion 63 , a rib 64 , an operating portion 65 , and an insertion portion 66 .

[0077] The rotating shaft portion 61 is supported by the supporting member 5 and constitutes the rotating axis Rx of the rod 6. The rotating shaft portion 61 is arranged in the rod 6 at a position close to the leg body 4 and closer to the +Y direction than the engaging portion 62. The rotating shaft portion 61 is formed in a cylindrical shape protruding in the +X direction and the -X direction.

[0078] The engaging portion 62 is provided at a position in the -Y direction relative to the rotating shaft portion 61 and at a position opposite to the engaged portion 43. The engaging portion 62 engages with at least one of the engaged portions 43 to fix the leg body 4. In the present embodiment, the engaging portion 62 is composed of three convex portions inserted between four adjacent engaged portions 43 among the plurality of engaged portions 43. By engaging the engaging portion 62 with the engaged portion 43, the movement of the leg body 4 along the Y axis is restricted, and the leg body 4 is fixed.

[0079] In addition, the engaging portion 62 may be a single convex portion inserted between two adjacent engaged portions 43. That is, the number of convex portions constituting the engaging portion 62 can be changed as appropriate.

[0080] The force-applied portion 63 is provided on the side opposite to the leg body 4 with respect to the rotation shaft portion 61, and is acted upon by the force-applying member 7. As will be described in detail later, the force-applying member 7 acts upon the lever 6 to rotate in the first rotation direction D1 in which the engaging portion 62 engages with the engaged portion 43. Therefore, when the lever 6 is not operated by the user, the lever 6 is disposed at a position in which the engaging portion 62 engages with the engaged portion 43.

[0081] In the present embodiment, the urging member 7 is composed of a compression coil spring, and therefore the urged portion 63 is composed of a convex portion inserted into the end portion of the urging member 7 in the −Y direction and a concave portion into which the end portion of the urging member 7 in the −Y direction is inserted.

[0082] like Figure 6 As shown, the ribs 64 sandwich the biased portion 63 on the X-axis and extend along the Z-axis to connect the rotating shaft portion 61 and the insertion portion 66. When the rod 6 is arranged in the arrangement portion 266, the ribs 64 are respectively inserted into the arrangement portion 266 from the -Y direction. Figure 3 The cut-out portion 270 is shown.

[0083] The operation portion 65 is a portion of the lever 6 that is exposed to the outside of the outer case 2 via the arrangement portion 266 that opens in the -Y direction and is operated by the user. That is, the operation portion 65 is an outer surface of the lever 6 that is exposed to the front surface 21 and the bottom surface 26 of the outer case 2.

[0084] Specifically, the operation portion 65 is provided on the opposite side of the rotation shaft portion 61 with respect to the biased portion 63, and faces the -Y direction and the +Z direction in the rod 6. When the rod 6 is disposed in the disposition portion 266, the operation portion 65 is along the front inclined surface 28A.

[0085] The operation portion 65 has a first inclined surface 651 and a second inclined surface 652 .

[0086] The first inclined surface 651 is an inclined surface formed in a curved shape along the front-side inclined surface 28A.

[0087] The second inclined surface 652 is formed continuously with the first inclined surface 651 in the +Y direction and the +Z direction relative to the first inclined surface 651. That is, the second inclined surface 652 is provided on the insertion portion 66 side relative to the first inclined surface 651.

[0088] The second inclined surface 652 intersects with the first inclined surface 651. Specifically, when the engaging portion 62 is engaged with the engaged portion 43, Figure 7 As shown, the angle of the second inclined surface 652 relative to the imaginary surface VS along the setting surface SF is larger than the angle of the first inclined surface 651 relative to the imaginary surface VS. Therefore, when the rod 6 is arranged on the arrangement portion 266, the first inclined surface 651 is arranged along the front side inclined surface 28A, and the second inclined surface 652 is arranged on the inner side of the outer casing 2 relative to the front side inclined surface 28A, which will be described in detail later.

[0089] Two protrusions are provided on the first inclined surface 651 along the X-axis.

[0090] In addition, the virtual plane VS is parallel to the virtual plane connecting the portion of each fixing leg 265 in contact with the installation surface SF and the portion of the installation portion 42 of the leg body 4 in contact with the installation surface SF.

[0091] The insertion portion 66 is provided continuously with the second inclined surface 652 in the +Y direction and the +Z direction of the rod 6 with respect to the operation portion 65. The insertion portion 66 is provided at the end portion of the rod 6 on the opposite side to the rotation shaft portion 61.

[0092] When the rod 6 rotates in the second rotation direction D2, the insertion portion 66 is inserted from the -Y direction to the Figure 3 The storage recess 271 is shown.

[0093] [Structure of the force applying member]

[0094] The urging member 7 urges the rod 6. Specifically, the urging member 7 urges the rod 6 in the first rotation direction D1 in which the engaging portion 62 engages with the engaged portion 43. The urging member 7 is disposed inside the support member 5, one end of the urging member 7 is engaged with the support member 5, and the other end of the urging member 7 is in contact with the engaged portion 63 of the rod 6.

[0095] In the present embodiment, the urging member 7 is composed of a compression coil spring, but the present invention is not limited thereto, and the urging member 7 may be another spring such as a torsion coil spring or a leaf spring, or may be an elastic member such as a rubber body.

[0096] [Function of the rod]

[0097] Figure 8 2 is a cross-sectional view of the lower housing 2B and the adjustment leg 3 along the YZ plane, showing a state where the rod 6 is rotated in the second rotation direction D2. Figure 8 2 is a diagram showing a cross section of the lower housing 2B and the adjustment leg 3 along the YZ plane when the leg body 4 is in a slidable state. Figure 8 In the figure, only some of the engaged portions 43 are denoted by reference numerals.

[0098] When the operation portion 65 is pushed in the +Y direction by the action of the finger such as tracing the front side inclined surface 28A, the rod 6 rotates in the second rotation direction D2 around the rotation axis Rx. When the rod 6 rotates in the second rotation direction D2 until the insertion portion 66 inserted into the storage recess 271 contacts the restriction surface 273, as shown in FIG. Figure 8 As shown, the engaging portion 62 is separated from the engaged portion 43 of the leg body 4. As a result, the leg body 4 is in the above-mentioned slidable state.

[0099] Fig. 9 2 is a cross-sectional view of the lower housing 2B and the adjustment leg 3 along the YZ plane, showing a state where the rod 6 is rotated in the first rotation direction D1. Fig. 9 2 is a diagram showing a cross section of the lower housing 2B and the adjustment leg 3 along the YZ plane when the leg body 4 is in a fixed state. Fig. 9 In the figure, only some of the engaged portions 43 are denoted by reference numerals. Fig.10 This is a front view of the projector 1 when the leg main body 4 is in the fixed state as viewed from the +Z direction.

[0100] On the other hand, when the user releases the upward push of the operating portion 65 and the rod 6 rotates in the first rotation direction D1 by the force of the force applying member 7, the engaging portion 62 engages with the engaged portion 43. In this fixed state, the sliding movement of the leg body 4 along the Y axis is restricted. Thus, the leg body 4 with the amount of protrusion from the bottom surface 26 adjusted is fixed by the rod 6.

[0101] At this time, if Fig. 9 As shown in FIG. 1 , the insertion portion 66 disposed inside the storage recess 271 moves toward the outside of the storage recess 271 as the rod 6 rotates in the first rotation direction D1. However, the gap between the end of the wall portion 272 in the -Y direction and the end of the insertion portion 66 in the +Y direction is very small. Therefore, when the projector 1 is viewed from the +Y direction and the +Z direction, as shown in FIG. Fig.10 As shown, no gap is seen between the insertion portion 66 and the wall portion 272. That is, when the projector 1 installed on the installation surface SF is viewed from the front side 21 and from above, no gap is seen between the insertion portion 66 and the wall portion 272. Thus, the appearance of the projector 1 can be well maintained.

[0102] [Effects of the First Embodiment]

[0103] The projector 1 according to the present embodiment described above has the following effects.

[0104] The projector 1 includes an exterior casing 2 , a leg body 4 , a rod 6 , and a biasing member 7 .

[0105] The outer casing 2 is arranged on the installation surface SF. The outer casing 2 has a bottom surface 26 facing the installation surface SF. The bottom surface 26 corresponds to the facing surface.

[0106] The leg body 4 corresponds to the first leg. The leg body 4 has a shaft 41 whose protrusion amount from the bottom surface 26 can be adjusted and a plurality of engaged portions 43 provided on the shaft 41 along the protrusion direction of the shaft 41 from the bottom surface 26. The distal end of the shaft 41 of the leg body 4 contacts the installation surface SF.

[0107] The lever 6 is provided on the outer casing 2 so as to be rotatable about the rotation axis Rx. The lever 6 has an engaging portion 62 that engages with at least one of the plurality of engaged portions 43 to fix the shaft portion 41 .

[0108] The urging member 7 urges the rod 6 in the first rotation direction D1 in which the engaging portion 62 engages with the engaged portion 43 .

[0109] The outer casing 2 has a front surface 21 , a storage recess 271 , and a wall portion 272 in addition to the bottom surface 26 .

[0110] The front surface 21 is continuous with the bottom surface 26, and the operation portion 65 which is a part of the lever 6 is exposed on the front surface 21. The front surface 21 corresponds to the first side surface.

[0111] The housing recess 271 is provided on the bottom surface 26 and is open toward the installation surface SF.

[0112] The wall portion 272 constitutes a portion of the front surface 21 , and constitutes an edge of the housing recess 271 on the side of the front surface 21 .

[0113] The rod 6 has an insertion portion 66 which is inserted into the housing recess 271 when the rod 6 rotates in the second rotation direction D2 to release the engagement between the engagement portion 62 and the engaged portion 43. The second rotation direction D2 is the opposite direction to the first rotation direction D1.

[0114] According to such a structure, the lever 6 is rotated in the first rotation direction D1 by the urging force of the urging member 7, so that the engaging portion 62 can be engaged with the engaged portion 43, thereby fixing the leg body 4 whose protrusion amount from the bottom surface 26 is adjusted. On the other hand, by rotating the lever 6 in the second rotation direction D2, the engaging portion 62 can be separated from the engaged portion 43, so that the protrusion amount of the leg body 4 from the bottom surface 26 can be adjusted.

[0115] In addition, at least a portion of the space between the distal end of the insertion portion 66 and the bottom of the storage recess 271 can be shielded by the wall portion 272. This makes the rod 6 less noticeable and also prevents fingers or foreign objects from being inserted between the bottom of the storage recess 271 and the insertion portion 66 and rotating the rod 6 in the first rotation direction D1.

[0116] In the projector 1 , the exterior casing has a rear surface 22 and a front-side inclined surface 28A.

[0117] The rear surface 22 is provided on the side opposite to the front surface 21 in the outer casing 2 .

[0118] The front side inclined surface 28A straddles the front surface 21 and the bottom surface 26, and approaches the installation surface SF as it approaches the rear surface 22. The front side inclined surface 28A corresponds to the case side inclined surface.

[0119] The housing recess 271 opens toward the installation surface SF at the front side inclined surface 28A.

[0120] According to such a structure, the storage recess 271 is open at the front side inclined surface 28A, so that the portion of the rod 6 exposed to the outside of the outer casing 2 can be arranged along the front side inclined surface 28A. Therefore, the rod 6 can be made inconspicuous. In addition, when the rod 6 is operated in the second rotation direction D2 in which the engaging portion 62 is separated from the engaged portion 43, the user can easily operate the rod 6 by sliding the finger along the front side inclined surface 28A, thereby preventing the finger from being caught between the wall portion 272 and the rod 6.

[0121] In the projector 1, the lever 6 has an operating portion 65 which is exposed to the outside of the outer casing 2 at an engagement position where the engaging portion 62 of the lever 6 engages with the engaged portion 43. The operating portion 65 corresponds to the outer surface of the lever 6.

[0122] The operation portion 65 has a first inclined surface 651 and a second inclined surface 652 .

[0123] The first inclined surface 651 is along the front-side inclined surface 28A.

[0124] The second inclined surface 652 is provided on the insertion portion 66 side with respect to the first inclined surface 651. The second inclined surface 652 is arranged on the inner side than the front side inclined surface 28A.

[0125] According to such a structure, the portion of the rod 6 on the front side 21 can be arranged at a position closer to the inner side of the outer casing 2 than the front side inclined surface 28A. Fig.10 As shown, when the projector 1 is viewed from a position facing the front surface 21 , the rod 6 can be made more inconspicuous.

[0126] In the projector 1 , the bottom surface of the housing recess 271 is a limiting surface 273 that limits the lever 6 from rotating about the rotation axis in the second rotation direction D2. When the lever 6 rotates in the second rotation direction D2 and the engaging portion 62 separates from the engaged portion 43 , the limiting surface 273 contacts the insertion portion 66 .

[0127] According to such a configuration, the user can recognize that the engagement state between the engaging portion 62 and the engaged portion 43 is released by the insertion portion 66 contacting the regulating surface 273. Therefore, the operability of the lever 6 can be improved.

[0128] [Second embodiment]

[0129] Next, a second embodiment of the present disclosure will be described.

[0130] The projector of this embodiment has the same structure as the projector 1 of the first embodiment, but the size of the rod insertion portion is different. In the following description, the same or substantially the same parts as those already described are denoted by the same reference numerals and the description thereof is omitted.

[0131] Fig.11 2 is a diagram showing a cross section of the lower housing 2B and the adjustment leg 3A of the projector according to the present embodiment along the YZ plane. Fig.11 1 and 2 are views showing a cross section of the lower case 2B and the adjustment leg 3A along the YZ plane when the leg body 4 is in the fixed state.

[0132] The projector of this embodiment includes a Fig.11 The projector 1 of the first embodiment has the same structure and function as the projector 1 except for the adjustment leg 3A shown. The adjustment leg 3A has the same structure and function as the adjustment leg 3 except that the rod 6A is provided instead of the rod 6. That is, the adjustment leg 3A includes a leg body 4, a support member 5, a rod 6A and a biasing member 7.

[0133] The rod 6A has the same structure as the rod 6 of the first embodiment.

[0134] In the present embodiment, when the state of the leg body 4 is in the fixed state, the insertion portion 66 of the rod 6A intersects with the first imaginary plane VS1, which passes through the end of the wall portion 272 on the side of the setting surface SF and along the setting surface SF. The first imaginary plane VS1 is parallel to the second imaginary plane VS2, which passes through the portions of the two fixed legs 265 that are in contact with the setting surface SF and the portion of the setting portion 42 of the one adjustment leg 3A that is in contact with the setting surface SF.

[0135] Furthermore, “the insertion portion 66 intersects the first virtual plane VS1” means that at least a portion of the insertion portion 66 intersects the first virtual plane VS1. More specifically, it means that at least the end of the insertion portion 66 in the +Y direction or the second rotation direction D2 intersects the first virtual plane VS1.

[0136] [Effects of the Second Embodiment]

[0137] The projector according to the present embodiment described above has the following effects in addition to the same effects as those of the projector 1 according to the first embodiment.

[0138] In the projector of this embodiment, when the engaging portion 62 is engaged with the engaged portion 43, the end of the insertion portion 66 in the +Y direction or the second rotation direction D2 intersects with the first imaginary plane VS1 passing through the end of the wall portion 272 on the installation surface SF side and along the installation surface SF. In the insertion portion 66, the end in the +Y direction or the second rotation direction D2 corresponds to the terminal end of the insertion portion 66, and the end of the wall portion 272 on the installation surface SF side corresponds to the terminal end of the wall portion 272.

[0139] According to such a structure, when viewed from a position opposite to the front surface 21, no gap is generated between the wall portion 272 and the insertion portion 66. Thus, the rod 6A can be made more inconspicuous. In addition, since fingers are not caught between the wall portion 272 and the insertion portion 66, the rod 6A can be easily operated.

[0140] In the projector of this embodiment, the outer casing 2 has a fixing leg portion 265 that contacts the installation surface SF on the bottom surface 26. The fixing leg portion 265 corresponds to the second leg portion.

[0141] A total of three fixed legs 265 and three adjustable legs 3A are provided.

[0142] The first imaginary plane VS1 is parallel to a second imaginary plane VS2 passing through the portions of the fixing leg 265 and the adjusting leg 3A that are in contact with the installation surface SF.

[0143] According to such a structure, the second imaginary plane VS2 is along the setting surface SF for the fixed leg 265 and the adjustment leg 3A to contact, so the first imaginary plane VS1 can be along the setting surface. Therefore, when viewed from a position opposite to the front 21, in addition to being able to effectively make the rod 6A inconspicuous, the rod 6A can also be easily operated.

[0144] [Variations of Embodiments]

[0145] The present disclosure is not limited to the above-described embodiments, and modifications and improvements within the scope that can achieve the object of the present disclosure are included in the present disclosure.

[0146] In the above-mentioned embodiments, the side of the outer case 2 where a part of the rod 6, 6A is exposed is the front side 21. However, the present invention is not limited thereto, and the side of the outer case 2 where a part of the rod 6, 6A is exposed may be any one of the back side 22, the right side 23, and the left side 24. In this case, the side corresponds to the first side, and the side opposite to the side corresponds to the second side.

[0147] In the above-mentioned embodiments, the projector has two fixed legs 265 and one adjustable leg 3, 3A. However, the present invention is not limited thereto, and the projector may also have one fixed leg 265 and two or more adjustable legs 3, 3A. That is, the number of fixed legs 265 and the number of adjustable legs 3, 3A may be changed appropriately.

[0148] In the above-mentioned embodiments, the outer casing 2 has a front side inclined surface 28A which straddles the front surface 21 and the bottom surface 26 and is formed by a part of the front surface 21 and a part of the bottom surface 26. However, the present invention is not limited thereto, and the outer casing 2 may not have the front side inclined surface 28A, and may not have the other inclined surfaces 28B, 28C, 28D. In this case, the levers 6 and 6A only need to be exposed toward the installation surface SF so as to be operable by the user.

[0149] In the above embodiments, the operating portion 65 as the outer surface of the rod 6, 6A has the first inclined surface 651 and the second inclined surface 652. However, this is not limited to this, and as long as the insertion portion 66 can be inserted into the storage recess 271, the operating portion 65 can be a uniform plane or a curved surface with the same curvature.

[0150] In the above-mentioned embodiments, the bottom surface of the storage recess 271 is the limiting surface 273 that contacts the insertion portion 66 of the rod 6, 6A after the rod 6, 6A is rotated in the second rotation direction D2. That is, the bottom surface of the storage recess 271 facing the -Y direction is the limiting surface 273. However, this is not limited to this, and the insertion portion 66 does not necessarily need to contact the bottom surface of the storage recess 271. That is, the rod 6, 6A may be further rotated in the second rotation direction D2 from the state where the engaging portion 62 is separated from the engaged portion 43 by other structures such as the support member 5.

[0151] [Summary of the present disclosure]

[0152] The following is a summary of the present disclosure.

[0153] [Note 1]

[0154] A projector, characterized in that it comprises: an outer casing having an opposing surface opposed to a setting surface and arranged on the setting surface; a first leg having an axis portion capable of adjusting the amount of protrusion from the opposing surface, and a plurality of engaged portions provided on the axis portion along the protrusion direction of the axis portion from the opposing surface, wherein the distal end of the axis portion contacts the setting surface; a rod having an engaging portion engaged with at least one of the plurality of engaged portions to fix the axis portion, and being arranged to be rotatable around a rotation axis; and a force applying member for applying force to the rod toward the engaging portion A force is applied in a first rotational direction that is engaged with the at least one engaged portion, and the outer shell has: a first side surface that is continuous with the opposing surface and through which a portion of the rod is exposed; a storage recess that is provided on the opposing surface and opens toward the setting surface; and a wall portion that constitutes a portion of the first side surface and constitutes an edge of the storage recess that is close to the first side surface, the rod having an insertion portion that is inserted into the interior of the storage recess when the rod is rotated in a direction opposite to the first rotational direction to release the engagement between the engaging portion and the at least one engaged portion.

[0155] According to such a structure, the lever is rotated in the first rotation direction by the force of the force applying member, thereby enabling the engaging portion to engage with the engaged portion, thereby fixing the first leg portion whose protrusion amount from the opposing surface is adjusted. On the other hand, by rotating the lever in the direction opposite to the first rotation direction, the engaging portion can be separated from the engaged portion, thereby adjusting the protrusion amount of the first leg portion from the opposing surface.

[0156] In addition, the wall can shield at least a portion of the space between the distal end of the insertion portion and the bottom of the storage recess, thereby making the rod inconspicuous and preventing fingers or foreign objects from being inserted between the bottom of the storage recess and the insertion portion and causing the rod to rotate in the first rotation direction.

[0157] [Note 2]

[0158] The projector according to Appendix 1 is characterized in that, when the engaging portion is engaged with the at least one engaged portion, the end of the insertion portion intersects with a first imaginary plane that passes through a terminal end of the wall portion and is along the setting surface.

[0159] According to such a structure, when viewed from a position opposite to the first side surface, no gap is generated between the wall portion and the insertion portion. Thus, the rod can be made more inconspicuous. In addition, since fingers are not caught between the wall portion and the insertion portion, the rod can be easily operated.

[0160] [Note 3]

[0161] The projector according to Note 1 or 2 is characterized in that the outer shell has a second leg portion on the opposing surface that contacts the setting surface, and a total of three or more of the first leg portion and the second leg portion are provided, and a first imaginary plane passing through the terminal end of the wall portion and along the setting surface is parallel to the second imaginary plane, and the second imaginary plane passes through the respective portions of the first leg portion and the second leg portion that contact the setting surface.

[0162] According to such a structure, since the second imaginary plane is along the installation surface that the first leg and the second leg contact, the first imaginary plane can be made along the installation surface. Therefore, when viewed from a position opposite to the first side surface, the rod can be effectively made inconspicuous and the rod can be easily operated.

[0163] [Note 4]

[0164] The projector according to any one of Notes 1 to 3 is characterized in that the outer shell has: a second side surface, which is arranged on the side of the outer shell opposite to the first side surface; and a shell side inclined surface, which straddles the first side surface and the opposing surface, approaches the setting surface as it approaches the second side surface, and the storage recess opens toward the setting surface at the shell side inclined surface.

[0165] According to such a structure, the storage recess opens at the housing side inclined surface, and the portion of the rod exposed to the outside of the outer casing can be arranged along the housing side inclined surface. Therefore, the rod can be made inconspicuous. In addition, when the rod is operated in the direction in which the engaging portion is separated from the engaged portion, the user can easily operate the rod by sliding the finger along the frame side inclined surface, which can prevent the finger from being caught between the wall portion and the rod.

[0166] [Note 5]

[0167] The projector according to Note 4 is characterized in that the rod has an outer surface, which is exposed to the outside of the outer shell at an engagement position of the rod where the engagement portion is engaged with at least one engaged portion, and the outer surface has: a first inclined surface, which is along the inclined surface on the shell side; and a second inclined surface, which is arranged on the insertion portion side relative to the first inclined surface and is configured at a position closer to the inside than the inclined surface on the shell side.

[0168] According to such a configuration, the portion of the rod on the first side surface can be arranged on the inner side of the outer casing than the casing-side inclined surface. Therefore, when the projector is viewed from a position facing the first side surface, the rod can be made less conspicuous.

[0169] [Note 6]

[0170] The projector according to any one of Notes 1 to 5 is characterized in that the bottom surface of the storage recess is a limiting surface that contacts the insertion portion to limit the rotation of the rod around the rotation axis when the engaging portion is separated from the at least one engaged portion.

[0171] According to such a configuration, the insertion portion of the rod comes into contact with the restriction surface, so that the user can understand that the engagement state between the engaging portion and the engaged portion is released. Therefore, the operability of the rod can be improved.

Claims

1. A projector, characterized in that: have: an outer casing having an opposing surface opposed to the installation surface and arranged on the installation surface; a first leg portion having a shaft portion capable of adjusting a protrusion amount from the opposing surface, and a plurality of engaged portions provided on the shaft portion along a protrusion direction of the shaft portion from the opposing surface, wherein a distal end of the shaft portion contacts the setting surface; a lever having an engaging portion that engages with at least one of the plurality of engaged portions to fix the shaft portion, and being rotatable about a rotation axis; and a force applying member for applying force to the rod in a first rotation direction in which the engaging portion is engaged with the at least one engaged portion, The outer casing has: a first side surface, which is continuous with the opposing surface, and a portion of the rod is exposed on the first side surface; a storage recess, which is arranged on the opposite surface and opens toward the setting surface; as well as a wall portion constituting a portion of the first side surface and constituting an edge of the storage recessed portion close to the first side surface, The lever has an insertion portion that is inserted into the housing recess when the lever is rotated in a direction opposite to the first rotation direction to release the engagement between the engaging portion and the at least one engaged portion.

2. The projector according to claim 1, characterized in that When the engaging portion is engaged with the at least one engaged portion, the end portion of the insertion portion intersects a first imaginary plane that passes through a distal end portion of the wall portion and is along the installation surface.

3. The projector according to claim 1, characterized in that: The outer casing has a second leg portion on the opposing surface that contacts the installation surface. There are three or more first legs and three or more second legs in total. A first imaginary plane passing through a distal end of the wall portion and along the installation surface is parallel to a second imaginary plane passing through portions of the first leg portion and the second leg portion that are in contact with the installation surface.

4. The projector according to any one of claims 1 to 3, characterized in that: The outer casing has: a second side surface disposed on a side of the outer casing opposite to the first side surface; and a housing side inclined surface, which straddles the first side surface and the opposing surface and approaches the setting surface as it approaches the second side surface, The housing recess opens toward the installation surface at the housing-side inclined surface.

5. The projector according to claim 4, characterized in that: The rod has an outer surface, and at an engagement position of the rod where the engagement portion is engaged with the at least one engaged portion, the outer surface is exposed to the outside of the outer casing, The outer surface has: A first inclined surface, which is along the inclined surface of the housing side; as well as The second inclined surface is provided on the insertion portion side relative to the first inclined surface and is arranged at an inner side than the housing side inclined surface.

6. The projector according to claim 5, characterized in that: A protrusion is provided on the first inclined surface.

7. The projector according to any one of claims 1 to 3, characterized in that: The bottom surface of the housing recess is a restricting surface that contacts the insertion portion to restrict the rotation of the rod about the rotation axis when the engagement portion is separated from the at least one engaged portion.

8. The projector according to claim 4, characterized in that: The housing recess has a protrusion that shields the urging member at a position closer to the first side surface than the urging member.

Images