JP2002357684A - Equipment adjusting leg - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an equipment adjusting leg never causing the catching of a hand when releasing a lock and hardly broken or deformed even when repeatedly performing an adjusting work for a long period. SOLUTION: This adjusting leg comprises a leg 7 arranged under an equipment outer frame 2 and having a ground part 13 formed in the lower part and a sliding shaft part 14 circumferentially having an irregular part 15 such as screw in the upper part; a mounting case 14 for inserting the sliding shaft part 14 of the leg 7 to shaft support holes 9 and 10; a lock piece 5 having two or more stages of irregular parts 35 to be engaged with the irregular part 15 of the leg 7; and a push button 6 capable of rotating the lock piece 5 against a means for pressing the irregular part 35 of the lock piece 5 toward the irregular part 15 of the leg 7. Accordingly, the engagement of the irregular part 15 such as screw with the irregular parts 35 of the lock piece 5 can be released by pushing the push button 6 to perform a height adjusting work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used to adjust the inclination and height of electronic and electric equipment such as a washing machine and a projector (projector) when the equipment is installed on a floor or a desk. Device adjustment leg.

[0002]

2. Description of the Related Art Conventionally, a method often used for adjusting the height of a washing machine, an office chair, and the like includes a method in which a bolt is turned to adjust the height and a nut is tightened. Although an up-and-down mechanism using a gas spring that raises the surface and can be fixed at a desired height can be raised, the former has the disadvantage that the height adjustment is troublesome, and the latter has a disadvantage that the cost is high.

Therefore, there is a device described in Japanese Utility Model Laid-Open No. 57-187186 as an adjusting leg which can adjust the height by a cheap and simple operation. As shown in FIG. 5, an adjusting leg mounting plate (case) 62 is provided on the bottom of the main body of the device 61.
The support plate 64 is supported horizontally between both side walls of the adjustment leg mounting plate 62 via a fulcrum 63 so as to be swingable, and the flat portion of the adjustment leg mounting plate 62, the locking plate 64, and the bottom of the main body are provided. The shaft portion 68 of the adjusting leg is vertically movably passed through the holes 65, 66, 67 formed at the bottom, the lower end can contact the floor surface, the upper and lower ends are provided with retaining pins 69, and the locking plate is provided. When the center 64 is tilted about the fulcrum 63, the inner surface of the hole of the locking plate 64 is provided so as to stop and adjust the sliding of the adjusting leg shaft 68, and one end of the locking plate 64 has an opening formed on the body wall side. A projecting coil spring 73 is provided between the part 71 of the locking plate 64 on the projecting side and the upper end 72 of the adjusting leg shaft 68 so as to be operable from the outside. This device has good workability because the height of the adjusting leg can be adjusted by releasing the lock only by leveling the inclined locking plate 64.

[0004]

However, with this conventional adjusting leg, when releasing the lock, there is a possibility that the locking plate 64 is held by hand and the hand is erroneously pinched in order to make it horizontal. In addition, since the entire load is received by the inner surface of the single locking plate 64, there is a possibility that deformation or breakage may occur during repeated adjustment or due to stress applied for a long period of time, making the device unusable.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to prevent the hand from being caught at the time of unlocking and to perform the adjusting operation repeatedly for a long period of time.
An object of the present invention is to provide an adjustment leg for a device that is not easily damaged or deformed.

[0006]

The present invention employs the following configuration to achieve the object.

That is, a leg provided below the outer frame of the device, forming a grounding portion below, and forming a sliding shaft portion having an uneven portion such as a screw on the outer periphery above, and a sliding shaft of the leg. A mounting case that allows the portion to penetrate through the shaft support hole, a lock piece that is supported by the mounting case and has a plurality of uneven portions that engage with the uneven portions of the legs, and an uneven portion of the lock piece. A means for pressing the concave and convex portions of the leg, and a push button for rotating the lock piece against the pressing means, and locking the concave and convex portion such as a screw and the concave and convex portion of the lock piece by pushing the push button. Is to cancel.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment (hereinafter, referred to as an "embodiment") of a device adjusting leg according to the present invention will be described with reference to the accompanying drawings.

[0009]

FIG. 1 is an exploded perspective view of an apparatus adjusting leg 1, FIG. 2 is a front view, FIG. 3 is a sectional view in a locked state, and FIG. 4 is a sectional view in an unlocked state. It is.

The device adjusting leg 1 is provided with a mounting case 4 inserted and mounted in a mounting hole 3 provided in the bottom of the device 2,
A lock piece 5 rotatably housed in the mounting case 4 and rotatably housed therein; a push button 6 provided in the mounting case 4 so as to be slidable back and forth as described later; 3 and the respective shaft support holes 8, 9, 10, 11, 1 provided concentrically on the mounting case 4, the lock piece 5, and the push button 6.
2 and a leg 7 which is inserted and supported so as to be vertically movable.

The leg 7 is provided with a large-diameter grounding portion 13 below, and an uneven portion 15 such as a screw formed on the outer periphery of a sliding shaft portion 14 above. To attach the washer nut 16 and washer 17, the step 1
A small diameter portion 19 is formed through the portion 8.

The means for preventing the shaft portion 14 from being removed is not limited to the above-described structure. Instead of the structure of the washer nut 16, the washer 17, and the small-diameter portion 19, for example, a screw may be provided inside the tip of the shaft portion 14. A hole may be provided, and a screw and a washer may be combined, or the tip of the shaft portion 14 may be formed with a large diameter.

The mounting case 4 is a square tube having one opening 20 and the other closing 21 (hereinafter, the opening side is the front and the closing side is the rear). And the push button 6 are inserted so that they can be stored. The closing portion 21 is provided with a notch 23 for attaching a compression spring 22 described later.

Also, a semi-cylindrical portion 24 in which the outer periphery fits into the shaft support hole 8 of the mounting hole 3 of the device 2 at the upper part of the mounting case 4 and a second mounting hole 25 formed near the mounting hole 3 of the device 2. A second elastic locking piece 2 that locks into the third mounting hole 27 of the device 2 at the upper rear side.
8, 28 are provided. Shaft support holes 9 and 10 are formed concentrically with the semi-cylindrical portion 24 and the lower portion of the mounting case 4 so that the shaft portion 14 of the leg 7 can be inserted vertically.

Further, a pair of bearing grooves 30, 30 for supporting rotation shafts 29, 29 of the lock piece 5, which will be described later, are provided in the left and right side surfaces of the mounting case 4. In the lower part of the mounting case 4, guide grooves 32, 32 for guiding an edge 31 of the push button 6 described later to a correct position, and a push button 6
Is provided with a locking hole 34 with which the locking projection 33 is engaged.

Inside the mounting case 4, a lock piece 5 having a shaft support hole 11 formed vertically through the center is housed. A pair of rotating shafts 29, 29 are provided on the outer peripheral portion of the lock piece 5, and are fixed to the bearing grooves 30, 30 of the mounting case 4. In the shaft support hole 11,
A plurality of uneven portions 35 for engaging with the uneven portions 14 of the legs 7 are formed on the front upper portion and the lower rear portion, and a spring seat 36 is provided on the lock piece 5.
The compression spring 22 is attached to the spring seat 37 provided in
The lock piece 5 is urged in the locking direction. Further, on the bottom of the lock piece 5, there is formed a rotation projection 40 formed at a position and an angle at which the push button 6 is pushed in and easily rotated when a push projection 39 described later of the push button 6 abuts. .

Further, a push button 6 is arranged below the lock piece 5. The push button 6 is provided with a push portion 4 that projects outside through the opening 20 of the mounting case 4.
1 and the shaft portion 14 of the leg 7
And a pressing projection 39 for pressing the inclined surface 42 of the rotation projection 40 of the lock piece 5. The push portion 41 is formed larger than the size of the finger to facilitate operation, and is unlocked by making the vertical direction (height direction) larger than the finger so that the finger is not accidentally pinched when the push button is pressed. Like that.

Next, how to use the device adjusting leg according to the embodiment of the present invention will be described. In order to attach the device adjusting leg of the present invention to the device, first, the lock piece 5 is moved from the opening 20 of the attachment case 4 to the bearing groove 3 of the attachment case 4.
The lock pieces 5 are pushed into the mounting cases 4 so that the rotation shafts 29, 29 of the lock pieces 5 fit into the mounting cases 4, 30, respectively. Next, the compression spring 22 is inserted from the notch 23 and the compression spring 22 is mounted between the spring seat 37 of the mounting case 4 and the spring seat 36 of the lock piece 5. When the push button 6 is further pushed in along the guide groove 31 at the lower part of the mounting case 4, the locking projection 33 is engaged with the locking hole 34, and the push button 6 is housed in the mounting case 4 slidably back and forth. Is done.

Thereafter, the shaft portion 14 of the leg 7 is vertically movably inserted through the mounting case 4, the push button 6, and the shaft support holes 9, 10, 11, 12 provided concentrically with the lock piece 5. Then, a small diameter portion 19 at the tip of the sliding shaft portion 14 of the leg 7
, A washer 17 and a washer nut 16 are attached. After that, the mounting case 4 is pushed so that the semi-cylindrical portion 24 fits into the shaft support hole 8 of the mounting hole 3 of the device, and the first elastic locking piece 26 is locked in the second mounting hole 25, By locking the two elastic locking pieces 28, 28 in the third mounting holes 27, 27, the mounting case 4, the lock piece 5 stored in the mounting case 4, the push button 6, and the temporarily fixed legs 7 The device is fixed to the device, and the installation of the device adjustment leg is completed.

At this time, the lock piece 5 is
As shown in FIG. 3, due to the repulsive force of the
Are engaged with the concave and convex portions 15 of the sliding shaft portion 14.

Subsequently, in order to adjust the height of the device adjusting leg 1, when the push button 6 is pushed in against the repulsive force of the compression spring 22, the pressing projection 39 of the push button 6 causes the rotation projection of the lock piece 5. When the lock piece 5 rotates in contact with the inclined surface 42 of the portion 40, the engagement between the uneven portion 15 of the leg shaft portion 14 and the uneven portion 35 of the lock piece 5 is released, as shown in FIG. The lock is released. After adjusting the height, when the hand is released from the push button 6, the push button 6 is rotated in the locking direction by the repulsive force of the compression spring 22, and the uneven portion 35 of the lock piece 5 is moved to the uneven portion 15 of the leg shaft portion 14. And is locked again as shown in FIG.

[0022]

Since the present invention is configured as described above, the following effects can be obtained.

According to the first aspect of the present invention, the lock can be released only by pushing in the push button (sliding back and forth),
By increasing the vertical (height) direction of the push part of the push button compared to the hand (finger), the hand (finger) is not pinched at the time of unlocking, and even if the adjustment work is performed repeatedly for a long time, it is damaged or deformed It is possible to provide a device adjustment leg that is difficult to remove.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a front view showing the embodiment of the present invention.

FIG. 3 is a sectional view showing a locked state according to the embodiment of the present invention.

FIG. 4 is a cross-sectional view showing an embodiment of the present invention at the time of unlocking.

FIG. 5 is a sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Adjustment leg for apparatus 2 Equipment 4 Case 5 Lock piece 6 Push button 7 Leg 13 Grounding part 14 Sliding shaft part 15 Uneven part of leg 35 Uneven part of lock piece

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Junji Oyama 2-23-3 Nishihashimoto, Sagamihara-shi, Kanagawa F-term in Knicks R & D Center (reference) 2F078 CB18

Claims (1)

[Claims] 1. A leg provided at a lower portion of an outer frame of a device, having a grounding portion formed below, and a sliding shaft portion having an uneven portion such as a screw formed on an outer periphery thereof above, and a sliding shaft of the leg. A lock case having a mounting case for penetrating a portion through a shaft support hole, and a plurality of steps provided with a plurality of uneven portions which are supported by the mounting case and engage with the uneven portions of the legs.
Device, a device for pressing the concave and convex portions of the lock piece toward the concave and convex portions of the leg, and a device adjusting leg provided with a push button for rotating the lock piece against the pressing device.