JPH1182881A - Adjusting leg for equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an equipment adjusting leg preventing damage and wear even with repeated adjustment work and miniaturizing the whole device while being excellent in workability. SOLUTION: This adjusting leg for equipment is provided with a leg 9 disposed at the lower part of an equipment outer frame and having a ground part formed below and a sliding shaft part 14 formed above being provided with an uneven part 15 such as a thread at the outer periphery, fitting cases 4, 5 for inserting the sliding shaft part 14 of the leg 9 through journal holes 10, 12, and a lever 6 provided in a vertically rotatable state in the cases 4, 5 while inserting the sliding shaft part 14 of the leg 9 through a journal hole 11. An engaging part 41 with the journal hole 11 of the lever 6 is vertically extended in cylindrical shape, and a plurality of uneven parts 44 for locking the uneven part 15 of the sliding shaft part 14 of the leg 9 are formed in the journal hole 11. The lever 6 is then locked or released by rotating operation.

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, methods often used for adjusting the height of washing machines, office chairs, and the like include loosening a nut, turning a bolt to adjust the height, tightening the nut, and pulling a lever. If the seating surface rises naturally and a vertical mechanism by a gas spring that can be fixed to a desired height can be raised, the former has a disadvantage that the height adjustment work is troublesome, and the latter has a high cost.

Therefore, there is an invention disclosed in Japanese Utility Model Laid-Open No. 57-187186 as an adjusting leg capable of adjusting the height by an inexpensive and simple operation. As shown in FIG. 7, an adjusting leg mounting plate (case) 62 is provided on the bottom of the main body of the device 61.
A locking plate 64 is supported horizontally between the side walls of the adjustment leg mounting plate 62 via a fulcrum 63 so as to swing freely, and a flat portion of the adjustment leg mounting plate 62, a locking plate 64, and a bottom portion of the main body are provided. The shaft portion 68 of the adjusting leg is vertically movably inserted through the holes 65, 66, 67 formed at the lower end, the lower end can contact the floor surface, and the retaining pin 69 is provided at the upper and lower ends. When the plate 64 is inclined about the fulcrum 63, the inner surface of the hole of the locking plate 64 is provided so as to stop the sliding of the adjusting leg shaft 68 and can be fixed, and one end of the locking plate 64 is formed on the main body wall side. A projecting coil spring 73 extends between a 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. In this case, the workability is good because the height of the adjusting leg can be adjusted by unlocking the inclined locking plate 64 only by making the inclined locking plate 64 horizontal.

[0004]

However, in this conventional adjusting leg, since the entire load is received by the inner surface of the hole of one locking plate 64, it takes a long time during repeated adjustment or for a long time. There is a risk that the battery may become unusable due to deformation or breakage due to stress. The locking plate 6
There was a risk that the tension coil spring 73 would buckle when 4 was inclined. The present invention has been made in order to solve the above-described problems, and it is an object of the present invention to provide a device adjusting leg that is not easily damaged or deformed even when repeatedly performing an adjusting operation and has good workability. And

[0005]

The present invention employs the following configuration to achieve the object. In other words, the device adjusting leg of the present invention is disposed at the lower portion of the device outer frame, and forms a sliding shaft portion having a grounding portion formed below and an uneven portion such as a screw provided on the outer periphery above, and A mounting case for inserting the sliding shaft portion of the leg into the shaft supporting hole, and a sliding shaft portion of the leg for passing through the shaft supporting hole to be supported in the case, one end of which is outside the opening of the case; A lever that is rotatable and protrudes from the lever. An engaging portion having a shaft support hole of the lever is vertically extended in a cylindrical shape, and the shaft portion of the leg is formed in the shaft support hole by the rotation operation. Are formed with a plurality of uneven portions for locking the uneven portions. Preferably, the upper surface of the engaging portion is provided in an arc shape, and a curved surface is provided on the inner surface of the top plate of the mounting case in accordance with the arc.

[0006]

According to the present invention, with the above-mentioned structure, the lever can be disengaged or fixed by simply rotating the lever from the outside of the case, so that the lever can be disengaged or fixed.
Since a plurality of concave and convex portions are formed in the engaging portion, the load can be distributed and received. In addition, the arc-shaped upper surface of the engaging portion slides on the curved surface of the case top plate, and receives a load to reduce the load of the load applied to the uneven portion of the engaging hole.

[0007]

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

FIG. 1 is an exploded perspective view of the device adjusting leg 1, FIG. 2 is a plan view of a used state, FIG. 3 is a sectional view of a case in an assembled state, and FIG. FIG. 5 is a cross-sectional view of a locked state in a locked state, and FIG. 5 is a cross-sectional view of a locked state in an assembled state.

The device adjusting leg 1 includes an upper case 4 which is inserted through and attached to a mounting hole 3 provided at the bottom of the device 2, a lower case 5 which is integrally attached to the upper case 4, an upper case 4 and a lower case 5. A lever 6 which is rotatably supported between the upper case 4 and the upper case 4 and the level 6, and has one end protruding from the opening 28 of the case 4, 5 to the outside of the case so as to be rotatable from the outside of the case; A compression spring 8, which is fitted between the first and second parts, presses the lever 6 downward, the mounting hole 3 of the equipment, the upper case 4, the lower case 5, and the shaft support holes 10, which are provided concentrically with the lever 6, And legs 9 which are inserted and supported so as to be able to move up and down freely.

The leg 9 is provided with a large-diameter grounding portion 13 below, a sliding shaft portion 14 above, and an uneven portion 15 such as a screw formed on the outer periphery of the sliding shaft portion 14. A screw hole 16 is formed inside the distal end of the portion 14 for attaching a screw 17 and a washer 18 for retaining the same.

The upper case 4 has a cylindrical portion 19 at the upper part in the longitudinal direction, the cylindrical portion 19 having an outer periphery fitted in the mounting hole 3 of the device 2.
Below 9, there is formed a rectangular tubular mounting portion 20 which is larger than the cylindrical portion 19 and has an open lower portion. A boss 21 is provided on the upper surface of the rectangular tubular mounting portion 20, and a boss mounting hole 22 in which the boss 21 fits is provided around the mounting hole 3 of the device 2 so that the positioning can be performed during mounting. . Also,
The rectangular tubular mounting portion 20 is formed with four through holes 24 through which screws 23 for fixing the device are inserted, and four locking step portions 25 (see FIG. 3) for mounting the lower case 5 described below. Further, a notch 26 is formed in one of the side wall portions perpendicular to the longitudinal direction of the rectangular tubular mounting portion 21, and a notch 27 is provided in the lower case 5 corresponding to the position of the notch 26. A part of the lever 6 (handle portion 40) is formed so as to protrude outside the cases 4 and 5 from the opening 28 formed by the notches 26 and 27, and the lever 6 is turned up and down from outside the cases 4 and 5. It can be operated manually. As shown in FIG. 4, a curved rib 30 on which an upper surface 29 formed in an arc shape of the lever 6 described later slides is formed on the inner surface of the top plate of the rectangular tubular mounting portion 21.

The lower case 5 has a protrusion 3 having a screw hole 31 into which a screw 24 for fixing the device is screwed.
2 and 33, and a locking piece 34 having a locking projection 35 that engages with the locking step 25 of the upper case 4 is provided upright. The protruding portion 32 of the protruding portions 32, 33 on the side of the notch 27 serves as a support shaft for mounting the compression spring 8, thereby preventing the compression spring 8 from buckling. Further, the lower part of the upper case 4 and the upper part of the lower case 5 are provided with a half-shaft support groove 3.
6 and 37 are formed, and the two bearing grooves 36 and 37 are combined to form a bearing 38 that supports a rotation shaft 39 of the lever 6 described later.

The lever 6 is connected to the opening 2 of the case 4,5.
On the opposite side of the handle part 40 protruding from the outside 8, there is provided a prismatic engaging part 41 having a shaft support hole 11 through which the sliding shaft part 14 of the leg 9 is inserted at the axis. A rotating shaft 39 which is supported by bearings 38 provided on the cases 4 and 5 is formed on a side surface portion 42 of the engaging portion 41.
Are formed in an arc shape. The engaging portion 41 of the lever 6
A through hole 43 through which the protruding portion 32 of the lower case 4 is inserted and the spring seat 7 are provided between the handle portion 40 and the handle portion 40. Compression spring 8
Is provided between the spring seat 7 and the upper case 4.
Can be attached as a support shaft.

The shaft support hole 11 of the lever is provided at an angle, and a plurality of dimples 44 are formed diagonally so as to fit into the dimples 15 of the leg 9. When the lever 6 is rotated, the concave / convex portion 44 and the sliding shaft portion 14 are engaged.
Is formed so that the engagement of the uneven portion 15 is released.
It is desirable to attach a cap 46 to the handle 40 of the lever 6.

Next, how to use the device adjusting leg 1 shown in this embodiment will be described. In order to attach the device adjusting leg 1 of the present invention to the device 2, first, the lever 6 with the cap 46 previously attached to the handle portion 40 faces the lower case 5, and the rotation shaft 39 of the lever 6 supports the case 5. After fitting so as to fit into the groove 37 and inserting the protrusion 32 of the case 5 into the through hole 42 of the lever 6, the compression spring 8 is attached to the spring seat 43 and the protrusion 32.
The upper case 4 is pushed into the lower case 4 so that the locking pieces 34 of the lower case 5 and the locking steps 25 of the upper case 4 engage with each other, and the levers 6 are stored in the cases 4 and 5.

Thereafter, the shaft portion 15 of the leg 9 is vertically movably inserted into each of the shaft supporting holes 10, 12, 11 provided concentrically with the upper case 4, the lower case 5, and the lever 6, and is prevented from coming off. A screw 17 and a washer 18 are attached to the tip of the shaft 15 of the leg 9 for use. After that, the through hole 45 of the device and the through hole 24 of the upper case 4 from above the through hole 3 of the device.
Through the screw holes 31 in the lower case 5
The upper case 4 and the lower case 5 are fixed to the device 2 by screwing the upper case 4 and the lower case 5 together with the stored lever 6 and the temporarily fixed leg 9, and the mounting of the device adjusting leg 1 is completed.

At this time, as shown in FIGS.
Is located at a position where it is horizontally extended by the repulsive force of the compression spring 8, so that the uneven portion 44 of the engaging portion 41 is at a position on the upper and lower diagonal lines, and the uneven portion 44 of the shaft support hole 11 of the lever 6 is
Is fitted and locked to the concave and convex portion 15 of the sliding shaft portion 14.

Subsequently, in order to adjust the height of the device adjusting leg 1, the lever 6 is pushed upward from the horizontal state shown in FIG. 1
The engagement between the uneven portion 15 of FIG. 4 and the uneven portion 44 of the lever engaging portion 41 is released, and the lock is released as shown in FIG.
After adjusting the height, when the hand (finger) is released from the lever 6, the lever 6 pivots downward due to the repulsive force of the compression spring 8,
The uneven portion 44 of the engaging portion 41 is the uneven portion 1 of the sliding shaft portion 14 of the leg.
5 (recovered) and locked as shown in FIG. In this locking operation, the rotating shaft 39 of the lever 6 is pivotally connected to the shaft supporting grooves 36 and 37 of the upper case 4 and the lower case.
When the arc-shaped upper surface of the lever engaging portion 41 slides on the curved rib on the inner surface of the upper case 4, a smooth restoring operation can be obtained.

When changing the height of the adjustment leg by changing the location of the device, the lever 6 is lifted upward to release the lock as in the above-described operation, and the height is adjusted again, and then the lever 6 is moved. All you have to do is return to horizontal and lock. Since the engaging portion 41 has a plurality of concave and convex portions 41 formed on the upper and lower diagonal lines, the load is dispersed and there is no fear of being damaged or deformed even if the lock and unlock operations are repeatedly performed. Also, the upper surface 29 of the lever 6
Are formed in an arc shape, and a curved rib 30 is formed on the inner surface of the upper case 4 according to the upper surface 29 of the lever 6 so that the upper surface 29 of the lever 6 slides on the curved rib 30 of the upper case 4. And the upper surface 29 of the lever 6 as well as the uneven portion 44
However, by receiving the load, the load is further dispersed, and the load on the uneven portion 44 of the engagement portion 41 is reduced. As described above, locking and unlocking can be performed by a simple operation of raising and lowering the lever, and the releasing stroke is short, so that no labor is required for the operation. According to the above embodiment, the mounting portion of the case 4 (the protrusion 3
Since the compression spring 8 is attached using the method 2), FIG.
As shown in (1), space can be saved.

The present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the positioning boss 21 is provided on the upper surface of the rectangular tubular mounting portion 20 of the upper case 4. A part may be cut out to provide a flat part, and the mounting hole 3 may be used as a key hole so that the positioning can be performed at the time of mounting. Further, in the above-described embodiment, the screw 23 is used as the means for attaching to the device 2. However, an attachment method in which snap-fit type attachment legs are integrally formed on the cases 4 and 5 may be adopted.

The means for preventing the sliding shaft 14 from coming off is not limited to the above-described embodiment.
7. The sliding shaft 14 instead of the washer 18 combination
A pin may be inserted into the tip, the tip of the sliding shaft portion 14 may be snap-fitted, or may be formed to have a large diameter. Less than,
An embodiment of the snap-fit method will be described with reference to the sectional view of FIG. An upper case 4 and a lower case 5 for attachment to the device 2, a lever 6 housed in the cases 4 and 5 so as to be rotatable about a rotation shaft 39, and a screw formed on the outer periphery of the sliding shaft portion 14. Leg 9 and engaging portion 4 of lever 6
1 is basically the same as that of the above-described embodiment, and includes a pair of U-shaped elastic locking pieces 48 at the tip of the sliding shaft 14 of the leg 9 as retaining means. The difference is that a snap-fit type insertion leg 47 provided with The insertion leg 47 has a detent rib 49.
And a keyway 50 is provided in the upper case 4,
When the leg 9 is turned in the direction in which the sliding shaft portion 14 descends (projects from the device), before the elastic locking piece 48 of the insertion leg 47 comes into contact with the device 2, the detent rib 49 is turned into a keyway. 50 so that it does not turn any further
7 is prevented from being broken. Also,
A boss 51 for preventing rotation is provided on the upper surface of the grounding portion 13, a groove 52 in which the boss 51 fits is provided in the lower case 5, and the sliding shaft portion 14 of the leg 9 is turned in an ascending direction (a direction in which the leg 9 is stored in the device). The boss 51 of the leg 9 fits into the groove 52 of the lower case 5 when it goes down, so that it does not rotate, thereby preventing the leg 9 from being broken due to excessive rotation.

[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 concave / convex portion of the lever and the concave / convex portion of the sliding shaft portion of the leg can be disengaged or fixed by simply rotating the lever from outside the case. Since a plurality of concave and convex portions are formed, the load can be distributed and received, so that even if repeated adjustment work is performed, it is possible to provide an adjustment leg for equipment that is not easily damaged or deformed, and a lever is provided. With a simple operation of raising and lowering up and down, the release stroke is short and the lock can be released, so that it is possible to provide an adjustment leg for equipment that does not require much work. According to the second aspect of the present invention, the arc-shaped upper surface of the engaging portion slides on the curved surface of the case top plate, and receives a load to reduce the load of the load applied to the uneven portion of the engaging portion. Therefore, it is possible to provide a device adjusting leg that is less likely to be damaged or deformed even when the adjusting operation is repeatedly performed.

[Brief description of the drawings]

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

FIG. 2 is a front view of an assembled state of one embodiment of the present invention.

FIG. 3 is a sectional view of a case of the present invention.

FIG. 4 is a sectional view showing an embodiment of the present invention at the time of locking in an assembled state.

FIG. 5 is a cross-sectional view showing an embodiment of the present invention at the time of unlocking in an assembled state.

FIG. 6 is a cross-sectional view showing another embodiment of the present invention in a locked state in an assembled state.

FIG. 7 is a cross-sectional view showing a use state of an embodiment of the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Adjusting leg 2 Equipment 4 Upper case 5 Lower case 6 Lock lever 8 Compression spring 9 Leg 10 Shaft supporting hole 11 Shaft supporting hole 12 Shaft supporting hole 14 Sliding shaft part 15 Leg unevenness 29 Upper surface of lever 30 Curved surface rib 41 Joint part 44 Uneven part of lever

Claims (2)

[Claims] 1. A leg provided at a lower portion of an outer frame of a device and having a sliding shaft portion having a grounding portion formed below and an uneven portion such as a screw provided on an outer periphery above, and a sliding shaft of the leg. A mounting case for inserting a portion into a shaft support hole, and a sliding shaft portion of the leg is inserted into the shaft support hole, the shaft is supported in the case, and one end protrudes out of an opening of the case to rotate. And an engaging portion having a shaft support hole of the lever is vertically extended in a tubular shape, and the concave / convex portion of the shaft portion of the leg is locked to the shaft support hole by the rotating operation. Adjustable feet for equipment with multiple irregularities. 2. The device adjusting leg according to claim 1, wherein an upper surface of the engaging portion is provided in an arc shape, and a curved surface is provided on the inner surface of the top plate of the mounting case in accordance with the arc.