JP2009127685A - Height adjustment device for electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a height adjustment device for electronic equipment, which can be fabricated at low cost. <P>SOLUTION: The height adjustment device for electronic equipment includes a holder 4 fixed to the electronic equipment, a handling lever 1 supported to the holder 4, and a rod-like foot 2 which is formed with a plurality of grooves in its longitudinal direction and penetrates vertically the holder 4. In the height adjustment device for electronic equipment, the handling lever 1 includes a groove member 11 formed with a groove engaging with a groove 21 of the foot 2 and a handling unit 15 coupled to the groove member 11 via an elastically deformable hinge 12. When the handling unit 15 is not in operation, the groove member 11 is made to be allocated at a position where the groove of the groove member 11 engages with the groove 21 while the groove member 11 moves so as to get away from the foot 2 when the handling unit 15 is operated. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a height adjusting device for an electronic device attached to the electronic device.

  Electronic devices such as projectors and monitors need to be configured so that the tilt and height of the housing need to be adjusted depending on the usage conditions, and the adjustment can be easily performed. Such a configuration can be realized by attaching a leg capable of easily adjusting the length to the bottom surface of the casing of the electronic device as a height adjusting device.

  FIG. 9 is a side sectional view of a conventional height adjusting device for electronic equipment.

  The conventional height adjusting device for an electronic device shown in FIG. 9 is inserted from below into a holder 104 fixed to the electronic device, a holder cover 103 covering the upper side of the holder 104, and the holder 104 and the holder cover 103. A rod-shaped foot 102, an operation lever 101 having one end in the longitudinal direction accommodated in the holder 104 and the other end in the longitudinal direction protruding outward from the holder 104, and a coil spring fitted between the holder cover 103 and the operation lever 101 105.

  This height adjustment device for an electronic device is attached by fixing the holder 104 to the bottom surface of the electronic device. For example, the height adjustment device is attached to four corners of the bottom surface of the electronic device.

  A groove member 111 having a groove is formed at one end in the longitudinal direction accommodated in the holder 104 of the operation lever 101, and the other end side in the longitudinal direction of the operation lever 101 is outside the holder 104 as the operation portion 115. Protruding.

  A groove 121 is formed in the longitudinal direction of the foot 102, and the foot 102 is fixed to the holder 104 by engaging the groove of the groove member 111 of the operation lever 101 and the groove 121 of the foot 102. be able to.

  A coil spring 105 is fitted between the operation lever 101 and the holder cover 103, and the operation lever 101 is pressed downward by the coil spring 105.

  In the state shown in FIG. 9, since the groove of the groove member 111 of the operation lever 101 and the groove 121 of the foot 102 are engaged, the foot 102 cannot be moved in the vertical direction with respect to the holder 104. At this time, the operation lever 101 is pressed and fixed downward by the coil spring 105, thereby preventing the groove member 111 of the operation lever 101 from being separated from the groove portion 121 of the foot 102.

  This height adjustment device for electronic equipment is configured such that the groove member 111 of the operation lever 101 is separated from the groove 121 of the foot 102 when the operation portion 115 of the operation lever 101 is pushed upward by being pushed upward. Yes. Therefore, the foot 102 can be moved in the vertical direction with respect to the holder 104 in a state where the operation portion 115 of the operation lever 101 is pushed up.

  When the upward pressing received by the operating portion 115 of the operating lever 101 is released, the operating lever 101 returns to the position shown in FIG. 9 because the operating lever 101 is pressed downward by the coil spring 105. . At this time, since the groove of the groove member 111 of the operation lever 101 and the groove 121 of the foot 102 are engaged again, the foot 102 cannot be moved in the vertical direction with respect to the holder 104.

  As described above, the foot 102 of the height adjusting device for electronic equipment can be moved up and down with respect to the holder 104 only when the operation portion 115 of the operation lever 101 is pushed upward. Sometimes, the holder 104 cannot be moved up and down.

  Therefore, according to the height adjusting apparatus for electronic equipment, the operating portion 115 of the operating lever 101 is pushed upward by hand, and the length of the portion of the foot 102 that is below the holder 104 is used for the electronic equipment. After adjusting to a suitable height, the electronic device can be fixed at that height by releasing the hand from the operation portion 115 of the operation lever 101.

  Therefore, for example, in an electronic device in which the height adjustment device for an electronic device is attached to the four corners of the bottom surface, the length of the portion protruding below the holder 104 of the height adjustment device for the electronic device is four lengths. The height can be easily adjusted by changing both of them, and the inclination can be easily adjusted by changing only the two in front.

Japanese Patent Application Laid-Open No. 2004-133867 discloses a conventional technique for an electronic apparatus height adjusting device using a coil spring.
JP 2001-356414 A

  In the above-described conventional height adjusting device for electronic equipment described with reference to FIG. 9, in order to return the operation lever 101 to the original position from the position where the operation unit 115 is pushed up, and the groove member of the operation lever 101. In order to make it difficult for the 111 to separate from the groove 121 of the foot 102, the coil spring 105 needs to be provided.

  However, in the electronic apparatus height adjustment apparatus provided with the coil spring, it is necessary to prepare the coil spring separately, and the manufacturing cost increases due to the increase in the number of parts and the number of processes when manufacturing. . Therefore, if a similar function can be realized without using a coil spring, the manufacturing cost of the height adjustment device for electronic equipment can be reduced.

  Then, an object of this invention is to provide the height adjustment apparatus for electronic devices which can be manufactured at low cost.

  In order to achieve the above object, the height adjusting device for an electronic device according to the present invention includes a holding unit fixed to the electronic device, an operation lever supported by the holding unit, and a plurality of grooves in the longitudinal direction. In a height adjusting device for an electronic device having a rod-like leg portion vertically inserted into the holding means, the operation lever includes a groove member formed with a groove that meshes with the groove of the leg portion, and an elastic member An operating portion connected to the groove member via a deformable hinge portion, and the groove of the groove member is engaged with the groove of the leg portion when the operating portion is not operated. A groove member is disposed, and guide means for moving the groove member so that the groove member is separated from the leg portion when the operation portion is operated is provided.

  ADVANTAGE OF THE INVENTION According to this invention, the height adjustment apparatus for electronic devices which can be manufactured at low cost can be provided.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1A is an exploded perspective view of a height adjusting device for electronic equipment according to an embodiment of the present invention, and FIG. 1B is a perspective view of the height adjusting device for electronic equipment.

  This height adjusting device for electronic equipment includes a holder 4 fixed to the electronic equipment, a holder cover 3 covering the upper side of the holder 4, and a rod-like foot 2 inserted through the holder 4 and the holder cover 3 from below. The operation lever 1 has one end side in the longitudinal direction accommodated in the holder 4 and the other end side in the longitudinal direction protruded outward from the holder 4.

  A groove member 11 having a groove is formed at one end in the longitudinal direction accommodated in the holder 4 of the operation lever 1, and the other end side in the longitudinal direction of the operation lever 1 extends outward from the holder 4. A protruding operation portion 15 is formed, and a hinge portion 12 is formed between the groove member 11 of the operation lever 1 and the operation portion 15. The hinge portion 12 is formed in a plate shape, and is elastically deformed when a force is applied in the longitudinal direction and the vertical direction of the operation lever 1.

  2 is a perspective view of an operation lever of the height adjusting device for an electronic device according to the present embodiment, FIG. 3 is a top view of the height adjusting device for the electronic device, and FIG. 4 is a side view of the height adjusting device for the electronic device. FIG. 5 and FIG. 5 are side sectional views along the line A-A in FIG.

  As shown in FIG. 2, on both side surfaces of the operation lever 1, shaft portions 13 are formed between the operation portion 15 and the hinge portion 12 at positions above the end portion on the operation portion 15 side of the hinge portion 12. Has been. In addition, protrusions 14 are formed on both side surfaces of the groove member 11 of the operation lever 1. The operation lever 1 is formed as a single unit.

  The operation lever 1 of the electronic apparatus height adjusting device is arranged as shown in FIGS. The operation lever 1 has a shaft portion 13 supported by a holder 4 and a holder cover 3.

  Further, the foot 2 is formed with a groove portion 21 in which a groove is formed in the longitudinal direction. The foot 2 is fixed to the holder 4 when the groove of the groove member 11 of the operation lever 1 and the groove portion 21 of the foot 2 are engaged with each other. Can be done.

  On both side surfaces of the holder cover 3 that support the shaft portion 13 of the operation lever 1, slit-like guide portions 31 into which the projections 14 of the operation lever 1 are slidably fitted are formed. The guide portion 31 of the holder cover 3 is formed to extend obliquely downward with an end portion close to the foot 2 as a base point.

  In the state shown in FIGS. 4 and 5, the groove member 11 of the operation lever 1 is in a position where the groove of the groove member 11 of the operation lever 1 and the groove portion 21 of the foot 2 mesh with each other. Cannot be moved up and down.

  This height adjustment device for electronic devices is attached by fixing the holder 4 to the bottom surface of the electronic device. For example, the height adjustment device is attached to four corners of the bottom surface of the electronic device. The upward force applied from the groove portion 21 of the foot 2 to the groove member 11 of the operating lever 1 due to the weight of the electronic device to which the electronic apparatus height adjusting device is attached is along the guide portion 31 of the holder cover 3. The groove member 11 of the operation lever 1 works obliquely upward in the direction in which the groove member 11 is pressed against the groove portion 21 of the foot 2. As described above, the electronic apparatus height adjusting device is configured such that when the weight of the electronic apparatus is applied to the foot 2, the groove member 11 of the operation lever 1 is biased in a direction in which the groove member 11 is pressed against the groove portion 21 of the foot 2. Thus, when the weight of the electronic device is applied to the foot 2, the groove member 11 of the operation lever 1 is difficult to separate from the groove portion 21 of the foot 2.

  6 is a side view of the height adjusting device for an electronic device according to the present embodiment in a state where the operation portion of the operating lever is pushed upward, and FIG. 7 is a side view of the height adjusting device for the electronic device in FIG. It is a sectional side view along the AA line.

  When the operating portion 15 of the operating lever 1 is pressed upward, the operating lever 1 rotates in a direction in which the operating portion 15 is directed upward about the shaft portion 13. At that time, the groove member 11 of the operation lever 1 is moved obliquely downward along the guide portion 31 of the holder cover 3 via the hinge portion 12. Therefore, when the operation portion 15 of the operation lever 1 is pushed upward, the groove member 11 of the operation lever 1 is separated from the groove portion 21 of the foot 2, so that the foot 2 moves up and down with respect to the holder 4. be able to.

  When the operation lever 1 is rotated, the end portion on the operation portion 15 side of the hinge portion 12 is rotated around the shaft portion 13 together with the operation portion 15, but the end on the groove member 11 side of the hinge portion 12. The part is moved obliquely downward along the guide part 31 of the holder cover 3 together with the groove member 11. As described above, when the operating lever 1 is rotated, the moving direction is different between the end portion on the operating portion 15 side and the end portion on the groove member 11 side of the hinge portion 12, so that the hinge portion 12 is elastically deformed. It is done.

  The hinge portion 12 has a shape curved in a mountain shape upward in the longitudinal direction of the operation lever 1. Accordingly, the hinge portion 12 can be elastically deformed without difficulty when force is applied in the longitudinal direction and the vertical direction of the operation lever 1, so that the groove member 11 of the operation lever 1 can be smoothly moved from the groove portion 21 of the foot 2. Can be separated.

  Further, when the operation lever 1 is released from being pressed to the operation portion 15, the operation lever 1 returns to the state shown in FIGS. 4 and 5 by the elastic recovery force of the hinge portion 12 that is elastically deformed. Since the groove of the member 11 and the groove portion 21 of the foot 2 are engaged again, the foot 2 cannot be moved in the vertical direction with respect to the holder 4.

  Therefore, according to the height adjusting device for electronic equipment, the operating portion 15 of the operating lever 1 is pushed upward by hand, and the length of the portion of the foot 2 protruding below the holder 4 is used for the electronic equipment. After adjusting according to a suitable height, the electronic device can be fixed at the height by releasing the hand from the operation portion 15 of the operation lever 1.

  Therefore, for example, an electronic device having the electronic device height adjusting device attached to the four corners of the bottom surface has four lengths of a portion protruding below the holder 4 of the electronic device height adjusting device. The height can be easily adjusted by changing both of them, and the inclination can be easily adjusted by changing only the two in front.

  As described above, according to the height adjustment apparatus for an electronic device according to the present embodiment, a function that can easily adjust the inclination and height of the electronic device can be realized without using a coil spring. It is possible to provide a height adjusting device for electronic equipment that can be manufactured at low cost.

  In addition, although the hinge part 12 of the height adjustment apparatus for electronic devices which concerns on this embodiment is formed so that two plates may be arrange | positioned in parallel, this plate should just be formed at least 1 sheet. . Further, even if the hinge portion is not in the shape of the hinge portion 12, it can be elastically deformed when force is applied in the longitudinal direction and the vertical direction of the operating lever as long as it has some curved shape. Therefore, the same function as the hinge portion 12 can be realized.

  FIG. 8 illustrates an operation lever having a hinge portion other than the hinge portion 12 used in the present embodiment. FIG. 8A is a perspective view of an operating lever provided with a hinge portion formed as a single plate having a shape curved once in a mountain shape upward, and FIG. 8B is a mountain shape upward. FIG. 8C is a perspective view of an operating lever provided with a hinge portion formed so that three plates having a shape curved once are arranged in parallel, and FIG. It is a perspective view of the operating lever provided with the hinge part formed so that two board | plates which have the curved shape might be arrange | positioned in parallel. Any of these hinge portions can be elastically deformed without difficulty when a force is applied in the longitudinal direction and the vertical direction of the operation lever 1, so that the same function as the hinge portion 12 can be realized.

It is a disassembled perspective view of the height adjustment apparatus for electronic devices which concerns on one Embodiment of this invention, and a perspective view of the height adjustment apparatus for electronic devices. It is a perspective view of the operation lever of the height adjustment apparatus for electronic devices shown in FIG. It is a top view of the height adjustment apparatus for electronic devices shown in FIG. It is a side view of the height adjustment apparatus for electronic devices shown in FIG. It is a sectional side view of the height adjustment apparatus for electronic devices shown in FIG. It is a side view of the height adjustment apparatus for electronic devices shown in FIG. It is a sectional side view of the height adjustment apparatus for electronic devices shown in FIG. It is a perspective view of the operation lever of the height adjustment apparatus for electronic devices which concerns on other embodiment of this invention. It is a sectional side view of the conventional height adjustment apparatus for electronic devices.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Operation lever 2 Foot 3 Holder cover 4 Holder 11 Groove member 12 Hinge part 13 Shaft part 14 Projection part 15 Operation part 21 Groove part 31 Guide part

Claims (4)

An electronic device comprising: holding means fixed to an electronic device; an operation lever supported by the holding means; and a rod-like leg portion formed with a plurality of grooves in the longitudinal direction and vertically inserted into the holding means. In the equipment height adjustment device,
The operation lever includes a groove member formed with a groove that meshes with the groove of the leg portion, and an operation portion connected to the groove member via an elastically deformable hinge portion,
When the operation portion is not operated, the groove member is disposed at a position where the groove of the groove member meshes with the groove of the leg portion, and when the operation portion is operated, the groove member is separated from the leg portion. A height adjusting device for electronic equipment, comprising guide means for moving the groove member as described above.   The guide means includes a guide portion formed in the holding means and extending obliquely downward with an end portion close to the leg portion as a base point, and a protrusion portion that is provided in the groove member and moves along the guide portion. The height adjustment apparatus for electronic devices according to claim 1, comprising:   The guide means is configured such that when the operation portion is operated upward, the hinge portion is elastically deformed, and the projection portion of the groove member is moved along the guide portion from the end portion. The height adjusting device for electronic equipment according to claim 2.   The electronic apparatus height adjusting apparatus according to claim 3, wherein the guide unit includes a shaft portion that is provided in the operation unit and is rotatably supported by the holding unit.