JP3045893U - Height adjustment device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a height adjusting device capable of adjusting the height of an article by a simple operation and withstanding a large load. SOLUTION: An adjusting member 6 is fitted into a guide sleeve 1,
A large number of depressions 6 are provided on both sides of the opening 60 of the adjustment member 6 at predetermined intervals.
1, the holding button 3 is passed through the oblong hole 11 of the guide sleeve 1, a spring 31 is provided in the hemispherical body 5 fixed to the bottom of the guide sleeve 1, and the holding button 3 is urged to the surface side to hold The holding button 3 is supported on the inclined surface 41 a of the notch 41 of the pressing block 4 provided on the front surface side of the button 3 and fitted in the opening 60, and the holding member 3 is pulled up by the adjustment member 6 with respect to the guide sleeve 1.
The engaging projections provided at both ends of the adjusting member 6 are sequentially engaged with a pair of recesses 61 of the adjusting member 6 to support the article mounted on the portion of the adjusting member 6 outside the guide sleeve 1 at a desired position, and adjust the position. The member 6 is pulled up to the upper limit, the pressing block 4 is operated, and the adjusting member 6 is pushed up to the lower limit at a stroke, so that it can be pulled up again.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 This invention relates to a height adjusting device for articles such as furniture and household appliances.

[0002]

[Problems to be solved by conventional techniques and devices]

 There are many household products equipped with adjusting devices for changing the height and length position by human power.The adjusting devices should be installed and used frequently used in daily life, such as fans and receiving antennas. There are many. And, such adjustment devices as described above are intended to hold home items at a certain height by means of tapered surfaces or screws. However, in the conventional adjusting device, the height of the article is easily changed by an external force, and often slips out of the holding position. This limits the practical application of the adjustment device to household appliances, etc.In addition, in the height-adjustment device operated by screws, it is necessary to repeatedly loosen and tighten the screws. There was a problem that the adjustment work became slow and the operation became troublesome. The main purpose of the present invention is to solve the above-mentioned problems and to provide a height adjusting device that can conveniently hold an article such as an electric appliance in place and can withstand a large load during use. Another object of the present invention is to provide a height adjusting device that can be operated more easily.

[0003]

[Means for Solving the Problems]

 The height adjusting device according to the invention of claim 1 includes a guide sleeve, a mounting cover, a holding button, a pressing block, a hemispherical body, and an adjusting member. The adjusting member is slidably inserted in the up and down direction, and a large number of semicircular depressions are formed on both sides of the vertically long opening provided in the adjustment member. The enlarged oval protrusion of the holding button is detachably engaged with the enlarged long circular hole of the holding button in the provided long oval hole in the width direction, and is inserted into the receiving recess of the hemispherical body fixed to the bottom surface of the guide sleeve. The enlarged oval bottom is fitted so as to be able to be taken in and out, a flange is provided on the back side of the enlarged oval bottom to prevent it from coming off to the front side, and an opening is formed on the bottom side of the pressing block fitted in the opening of the adjustment member. The notch has an oval protrusion on the holding button The holding button is urged downward by a coil spring interposed between the receiving concave portion and the enlarged oblong portion so as to be movable in the downward direction. The mounting cover is fixed to the surface of the guide sleeve via a plurality of cylinders protruding from the surface of the mounting cover to restrict displacement of the pressing block toward the surface of the guide sleeve. Then, the upper part of the adjusting member is protruded upward from the upper end of the guide sleeve, the protruding part is pulled up, and the engaging projection of the holding button is disengaged from each set of opposing depressions provided in the opening of the adjusting member. The surface of the engagement protrusion engages with the flat surface on the upper end side of the notch of the pressing block to prevent the adjustment member from moving downward. The lower part of the block is the lower part The holding button is pushed toward the hemispherical body against the spring force of the coil spring by engaging the engaging projection with the flat surface on the lower end side of the notch of the pressing block. Then, the engaging protrusion of the holding button is positioned on the back side of the adjusting member, and the adjusting member is moved to the lower limit at a stroke. By engaging the surface of the mating projection with the flat surface on the upper end side of the notch of the pressing block, the lifting operation of the adjusting member is enabled, and the portion of the adjusting member protruding from the guide sleeve is used as a mounting portion of the article. It is.

According to a second aspect of the present invention, in the height adjusting device according to the first aspect, the depressions formed on both sides of the opening of the adjusting member are rectangular.

[0005]

[Embodiment of the invention]

 As shown in FIGS. 1 to 3, the height adjusting device according to one embodiment of the present invention includes a guide sleeve 1, a mounting cover 2, a holding button 3, a pressing block 4, a hemispherical body 5, It comprises an adjusting member 6. The guide sleeve 1 is formed in the shape of a flat tube having a rectangular shape elongated in the up-down direction and hollow inside, and formed with a long oval hole 11 extending in the width direction in the center portion of the front wall and the back wall. A plurality of cylindrical projections 12 for fixing the cover 2 are projected outside the surface wall, and an engaging hole 13 orthogonal to the oval hole 11 is formed at the center in the width direction of the surface wall. A pair of guide projections 14 protruding outside the surface wall are formed on the outer periphery of both ends of the circular hole 11.

The mounting cover 2 has flanges 21 protruding from the back sides of both sides, and the protruding ends of the flanges 21 are engaged with and supported on both side edges of the surface wall of the guide sleeve 1. The guide sleeve 1 is fixed to the cylindrical projection 12.

The holding button 3 is formed by integrally forming an oblong projecting portion 32 and an enlarged oblong bottom portion 34 having a flange portion 33, and adjacent to both ends of the oblong projecting portion 32, the enlarged oblong bottom portion 3 is formed. The engagement protrusion 35 is integrally bulged on the surface side of 4. The engaging projection 35 has a front surface side smoothly inclined in an arc shape from the lower side to the upper side, extends toward the front side, and forms a horizontal locking surface projecting rightward from the enlarged oval bottom part 34 toward the front side at the upper end. It is.

The pressing block 4 is formed in the shape of a rectangular parallelepiped that is long in the vertical direction of the guide sleeve 1, and is formed so that a notch 41 is formed in the bottom side so as to penetrate in the width direction and open to the bottom surface. An inclined surface 41a having a deep upper end and a shallow lower end is formed on the rear surface side, and flat surfaces 41b and flat portions 41c are formed on the upper and lower ends in parallel with the surface of the pressing block 4, respectively.

The holding button 3 guides the pressing block 4 in a direction perpendicular to the holding button 3 by fitting a portion of the front side of the flange portion 33 from the back surface into the oblong hole 11 provided in the guide sleeve 1. The notch 41 of the pressing block 4 is fitted into the engaging hole 13 provided in the sleeve 1, and the back side surface of the notch 41 comes into contact with the oblong projection 32 of the holding button 3. Is brought into contact with the holding button 3 only when the button is moved with respect to the holding button 3.

In the hemispherical body 5, an oval receiving recess 51 which is opened on the surface side at the center is formed so as to be able to accommodate the holding button 3 pressed downward, and a plurality of screws 52 guide the sliding sleeve. 1 is fixedly supported on the back wall. The ends of the coil springs 31 are respectively fitted between a concave portion 53 provided at the center of the bottom of the receiving recess 51 and a concave portion 36 (see FIG. 3) provided at the center of the bottom of the holding button 3. Thus, the holding button 3 is urged to the front surface side, and the flange portion 33 of the holding button 3 is engaged with and supported by the rear wall of the guide sleeve 1.

The adjusting member 6 is formed of a rectangular plate that is elongated in the vertical direction. An elongated opening 60 is formed at the center in the width direction near one end in the length direction, and is spaced at equal intervals in the length direction. A large number of semicircular depressions 61 are formed on both outer sides of the opening 60 so as to face each other, and concave portions 62 having a small width are formed at the upper and lower ends of the opening 60, respectively. It should be noted that there is no opening 60 of the adjusting member 6, and a portion extending outside the guide sleeve 1 is adapted to hold articles such as household electric appliances.

In order to assemble the height adjusting device according to one embodiment of the present invention, the portion of the adjusting member 6 having the opening 60 is slidably fitted into the hollow portion of the guide sleeve 1 and both sides of the opening 60 are provided. A pair of opposing depressions 61 formed in the portion are aligned with the oblong holes 11 of the guide sleeve 1. In this state, the holding button 3 is passed through the oblong hole 11, and both ends of the holding button 3 are fitted into a pair of recesses 61 facing each other. At this time, both ends of the coil spring 31 are engaged with the concave portion 53 provided in the receiving recess 51 of the hemispherical body 5 and the concave portion 36 provided in the holding button 3, and the hemispherical body 5 is brought into contact with the back wall of the guide sleeve 1. And the spring 31 and the enlarged oblong bottom 34 of the holding button 3 are accommodated in the receiving recess 51 of the hemispherical body 5.

Next, the upper flat surface 41b provided in the cutout portion 41 of the pressing block 4 is brought into contact with the oblong projection 32 of the holding button 3, and the inclined surface 41a of the pressing block 4 is engaged with the holding button 3. It becomes parallel to the mating projection 35. Finally, the mounting cover 2 is fixed to the surface wall of the guide sleeve 1 by a suitable means via the cylindrical projection 12, and the displacement of the pressing block 4 toward the surface of the guide sleeve 1 is regulated. Let it complete.

The oval is a stadium in which a semicircular portion is connected to both ends of a rectangular portion. To use the height adjusting device of the above embodiment, the lower end of the pressing block 4 is fitted into the concave portion 62 on the lower side of the adjusting member 6 shown by the dashed line in FIG. Is pulled upward so as to be pulled out of the guide sleeve 1, and the portion between the semicircular recesses 61 of the adjusting member 6 slides on the surface of the engagement projection 35 where the lower side of the holding button 3 gradually rises. The holding button 3 moves to the back side against the spring force of the coil spring 31, and as shown in FIG. 4B, the dent 61 comes off the holding button 3 and another dent 61 located below. Then, the surface side portion of the holding button 3 is engaged and held by the restoring force of the spring 31.

The adjusting member 6 has a pair of semicircular recesses 61 that are opposed to each other, and are horizontally engaged with each other at right angles to two engaging protrusions 35 provided at both ends of the holding button 3. Since it is locked by the surface, it is possible to reliably prevent the depression 61 from being disengaged from the engagement projection 35 and the adjustment member 6 from moving below the guide sleeve 1. In order to move the adjusting member 6 downward, the lower end of the pressing block 4 is engaged with the lower concave portion 62 of the adjusting member 6 as shown in FIG. The holding button 3 is disengaged from the deep flat surface 41b of the notch 41 of the pressing block 4 and engages with the inclined surface 41a of the notch 41, whereby the holding button 3 is gradually pushed to the back side. The engagement with the lowermost depression 61 is released, and the engagement with the shallow flat surface 41 c of the notch 41 is made.

In this state, when the adjusting member 6 is pushed downward, the upper side of the pressing block 4 is aligned with the concave portion 62 on the upper side of the adjusting member 6 as shown by a chain line in FIG. When the joint member 6 is moved downward, the holding button 3 is disengaged from the inclined surface 41a of the notch 41 of the pressing block 4 to align with the deep flat portion 41b of the notch 41, and the pressed holding button 3 is in the normal position. To engage with the set of depressions 61 of the adjusting member 6 again. Further, after that, as shown in FIG. 4B, the adjusting member 6 can be gradually pulled upward to adjust the height.

In another embodiment of the present invention shown in FIG. 5, rectangular recesses 63 are formed on both sides of the opening 60 of the adjusting member 6, and the holding button 3 is detachably engaged with these recesses 63. Except that the front-side projecting portion 37 is formed in a rectangular shape, the configuration is the same as that of the height adjusting device of the above-described embodiment, so that the portions in FIG. 5 are denoted by the same reference numerals as those in FIGS. The explanation of the configuration is omitted. The use and effect of the height adjusting device of the other embodiment are the same as those of the above-described one embodiment, but the recess 63 and the protrusion 37 on the front surface side of the holding button 3 are rectangular. When the depression 63 and the holding button 3 are engaged with each other, it is unlikely that these engagements are unintentionally released.

In the present invention, it is preferable that the adjusting member is moved up and down relative to the guide sleeve while the guide sleeve is timely fixed to a desired portion in the room, and the adjusting member is moved up and down with respect to the guide sleeve. The movement may be performed with the article mounted on the adjustment member, or the article may be mounted on the adjustment member after the movement.

[0019]

[Effect of the invention]

 As described above, the height adjusting device according to the invention of claim 1 includes a guide sleeve, a mounting cover, a holding button, a pressing block, a hemispherical body, and an adjusting member. The adjusting member is slidably fitted in the hollow portion, and a large number of semicircular depressions facing each other are formed on both sides of the vertically long opening provided on both sides of the vertically long opening provided in the adjusting member. The holding button is formed in a pair of opposing depressions and is passed through a long oval hole in the width direction provided in the guide sleeve. The enlarged oval bottom is removably fitted in the receiving recess of the hemispherical body fixed to the bottom of the guide sleeve, and a flange portion for preventing the front surface from slipping off is provided on the back surface of the enlarged oval bottom. Pressing block fitted in the opening of An elliptical protrusion of the holding button is fitted into the notch opening on the bottom side, and the holding button is urged to the front side by a coil spring interposed between the receiving concave portion and the enlarged oval portion, thereby protruding the oval. The notch portion is supported on the surface of the guide portion on the surface side, and the mounting cover is fixed via a plurality of cylindrical projections protruding from the surface side of the guide sleeve, and the pressing block is attached to the surface side of the guide sleeve. In addition to restricting the displacement, the upper part of the adjusting member is protruded upward from the upper end of the guide sleeve, and the protruding portion is pulled up, and the engaging projection of the holding button is provided in each of the opposing set of dents provided in the opening of the adjusting member. When the engaging member is disengaged and the surface of the engaging projection is engaged with the flat surface on the upper end side of the notch of the pressing block, the downward movement of the adjusting member is prevented. Slopes smoothly upwards Therefore, the lifting operation of the adjusting member with respect to the guide sleeve can be easily performed, and the locking surface at the upper end of the engaging projection is located substantially horizontally in the recess. Even if a large load is applied to the adjusting member, it can withstand this load.

When the adjustment member moves to the upper limit, the lower part of the pressing block engages with the concave portion on the lower end side provided in the adjusting member, and the surface of the engaging projection is the flat surface on the lower end side of the notch of the pressing block. By pressing the holding button against the hemispherical body side, that is, the back side, against the spring force of the coil spring, the engaging projection of the holding button is positioned on the back side of the adjusting member. The adjusting member is moved all at once to the lower limit, and the upper part of the pressing block and the concave part on the upper end side of the adjusting member engage, and the surface of the engaging projection engages with the flat surface on the upper end side of the notch of the pressing block. By doing so, the lifting operation of the adjusting member becomes possible, and the height can be changed or corrected. Therefore, by mounting the article on the portion of the adjustment member that protrudes from the guide sleeve, the article can be easily brought to a desired height position.

According to the invention of claim 2, the recesses formed on both sides of the opening of the adjusting member are changed from a semicircular shape to a rectangular shape, so that the engaging surface of the engaging projection of the holding member can be more reliably supported during use. .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part showing a position adjusting device according to an embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of the position adjusting device shown in FIG.

FIG. 3 is an explanatory cross-sectional view of a main part of the position adjusting device shown in FIG. 1;

FIG. 4 is a partially enlarged view of the position adjusting device shown in FIG. 1,
A, B, and C are operation explanatory diagrams, respectively.

FIG. 5 is a partially cutaway perspective view of a position adjusting device according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Guide sleeve 11 Oval hole 12 Cylindrical protrusion 13 Engagement hole 14 Guide protrusion 2 Mounting cover 21 Flange 3 Holding button 31 Coil spring 32 Oval protrusion 33 Flange 34 Enlarged oval bottom 35 Engagement protrusion 36 Depression 4 Press Block 41 Notch 41a Inclined surface 41b Flat surface 41c Flat surface 5 Hemispherical body 51 Receiving dent 52 Screw 53 Recess 6 Adjusting member 60 Opening 61 Semicircular dent 62 Recess

Claims (2)

[Utility model registration claims] 1. A guide sleeve, a mounting cover, a holding button, a pressing block, a hemispherical body, and an adjusting member,
The adjusting member is slidably fitted in the hollow portion of the guide sleeve in the up and down direction, and a large number of semicircular recesses facing each other are formed on both sides of the vertically long opening provided in the adjusting member. An elliptical protrusion connected to the front side of the enlarged oval bottom of the holding button is removably engaged with an elongated oval hole in the width direction provided in the guide sleeve in a set of recesses. The enlarged oval bottom is removably fitted into the receiving recess of the fixed hemispherical body, and a flange portion for preventing the surface from being removed is provided on the back side of the enlarged oval bottom, and is fitted into the opening of the adjusting member. An elliptical protrusion of the holding button is movably fitted in the notch opening on the bottom side of the pressing block in a vertical direction, and the holding button is positioned on the front side by a coil spring interposed between the receiving recess and the enlarged oval part. Urges the elliptical protrusion The front surface of the notch is supported on the surface of the guide sleeve, and the mounting cover is fixed to the front surface of the guide sleeve via a plurality of cylinders protruding toward the front surface of the mounting cover. And the upper part of the adjusting member is protruded upward from the upper end of the guide sleeve, and the protruding portion is pulled up to engage the holding button in each of the opposing sets of dents provided in the opening of the adjusting member. The projection is disengaged and the surface of the engagement projection is engaged with the flat surface on the upper end side of the notch of the pressing block, so that the downward movement of the adjusting member is prevented. By the movement, the lower part of the pressing block is engaged with the concave part on the lower end side provided on the adjustment member, and the surface of the engaging projection is engaged with the flat surface on the lower end side of the cutout part of the pressing block, thereby holding the holding button with the coil Hemispherical body against spring force of spring , The engaging protrusion of the holding button is positioned on the back side of the adjusting member, the adjusting member is moved at a stroke to the lower limit, and the upper part of the pressing block and the concave portion on the upper end provided on the adjusting member are engaged, The surface of the engagement protrusion engages with the flat surface on the upper end side of the notch of the pressing block, thereby enabling the lifting operation of the adjustment member, and furthermore, the portion of the adjustment member protruding from the guide sleeve is used as an article mounting portion. A height adjusting device, characterized in that: 2. The height adjusting device according to claim 1, wherein the recesses formed on both sides of the opening of the adjusting member are rectangular.