KR20030036064A - Fixation and expansion adjusting apparatus of support column - Google Patents

Abstract

PURPOSE: To prevent play and deformation of a tightened part when fixing pipe members having large and small diameters by adjusting elongation and shrinkage. CONSTITUTION: A fixing device for adjusting elongation and shrinkage of a support column is provided with a first stopper member 10 mounted on an upper end side of a basic part support column 6a and a second stopper member 11 mounted turnably on the first stopper member 10 together with the support column 6b from above. An outer peripheral part of a mounting part of the first stopper member 10 is constituted by machining it in such a way that its wall thickness is temporarily increased or decreased around periphery. The second stopper member 11 deforms a mounting inner peripheral part (mentioned later) by corresponding to the outer peripheral part of the mounting part of the first stopper member 10 to press or loosen the support column 6b by turning and operating the second stopper member 11 through the mounting part of the first stopper member 10 in order to hold it so as to elevate and lower.

Description

Fixed stretch adjusting device for support column {FIXATION AND EXPANSION ADJUSTING APPARATUS OF SUPPORT COLUMN}

The present invention is a support for the abnormality of the vibration when there is no abnormal vibration, even when fixed to the fixed-stretched fixed support by inserting a small diameter pipe member inside the large diameter pipe member, and fixed It relates to a fixed expansion and contraction control device of the strut.

Conventionally, it is set as the structure which inserts the small diameter pipe material 2 in the inside of the large diameter pipe material 1, and supports it so that it can expand and contract, and fixes the small diameter pipe material 2 in arbitrary positions. Means are as follows. First, as one of them, a screw member having a handle portion, that is, a knob bolt 3, is twisted and fixed to the inside of the pipe member 2 having a smaller diameter from the pipe member 1 side having a larger diameter. (See FIG. 7). In addition to the above-described configuration, a dedicated attachment hole (not shown) may be provided on the side of the taper material 2 having a small diameter so as to fix the shaft portion of the knob bolt 3 by fixing it.

However, in the former fastening method by the knob bolt 3, there exists a fault that the small diameter 5 material matched with the axial part of the knob bolt 3 deforms locally or is damaged.

In addition, the latter type has a drawback in that abnormal vibration on the side of the pipe material 2 having a small diameter remains in the method of being fitted into the dedicated attachment hole.

The present invention has been proposed in order to overcome the above-described fruit, there is no abnormal vibration when fixed and fixed to the fixed structure configured to be stretchable by inserting the pipe material of the small diameter into the inside of the large diameter pipe material, fixed It is an object of the present invention to provide a fixed stretch adjusting device for supporting columns, in which the fastening point is not deformed even when it is.

1 is an explanatory view of the appearance of the irigator stand using the fixed expansion and contraction device according to the present invention;

FIG. 2 is an enlarged side view of the fixed stretch control device in the irigator stand shown in FIG. 1;

3 is an explanatory cross-sectional view of the fixed elastic control device shown in FIG.

4 is a plan view of the second stopper member;

5 is an explanatory cross-sectional view of the fixed elastic control device shown in FIG.

FIG. 6 is a cross-sectional explanatory diagram when the support holder is pressurized by operating the fixed stretch control device shown in FIG. 1;

7 is a side view of an essential part showing an example of a fixing means of a conventional pipe member.

(Explanation of the sign)

1: large diameter pipe material 2: small diameter pipe material

3: knob bolt 4: fixed expansion and contraction control device

5: irigator stand 6: holding part

6a: Contribution Holder 6b: Supporting Holder

7: caster for movement 8: leg portion

9 hanging mechanism 10 first stopper member

10a: base column mounting portion 10b: support column insertion portion

11: second stopper member 12: guide holding part

13: Pressing protrusion S: Slit

R: rib Rm; Retaining rib

In order to solve the above-mentioned problems, in the invention of claim 1, the base holder is a means for fixing the support column having a small diameter to an arbitrary position by allowing the support column having a small diameter to be lifted and lowered in an arbitrary base. A first stopper member mounted on an upper end side of the first stopper member, and a second stopper member mounted on the first stopper member so as to be rotatable with a support support from above, wherein the mounting portion of the first stopper member is provided. And making it deformable in the radial direction and thickening or thinning the thickness around the periphery, wherein the second stopper member protrudes to form a mounting inner circumferential portion in contact with the outer peripheral portion of the first stopper member. By rotating the second stopper member, the mounting portion of the first stopper member is deformed inward to press the support column, or The loose by the movement operation before, or in a configuration that can be elevated to maintain a static offer new adjustment of the support pillars.

In the invention of claim 2, the first stopper member is constituted by a base holder mounting portion configured to charge and hold an upper end side of the base holder inward, and a support holder insertion portion configured to allow the support pillar to be inserted therethrough. The base holder mounting portion is configured to hold the top of the base holder so as not to fall out when the top end of the base holder is inserted into the inside, and is configured to protrude and install the guide holder for guiding the support holder. The support column clamping portion is configured to bend and deform in the radial direction by forming a slit in the vertical direction, and the fixed column of the support column is configured so that the outer peripheral portion of the support pillar clamping portion gradually thickens in a predetermined range in the circumferential direction. Suggest a regulator.

Furthermore, in the invention of claim 3, the second stopper member is formed in an expanded shape at the same time as the upper half of the outer circumferential portion of the first stopper member in an swelling shape, and at the same intervals, The upper half of the inner circumferential portion abuts against the stepped portion of the boundary between the base circumference mounting portion of the first stopper member and the circumference of the outer circumferential portion of the support holding portion, and protrudes and retains a rib for holding the second stopper member at a predetermined position. On the inner circumferential side of the upper end of the second stopper member, the support holding portion of the first stopper member is inserted to protrude a pressing projection which gradually protrudes in a predetermined range toward the inner side so as to contact the outer circumferential portion of the upper end of the passing portion. The slit in the vertical direction is formed in the through part, and the press-out part of the second stopper member is held by the support holding portion. By leading to even thicker portion, holding the support fitted tonghagi portion, the bending deformation in the radial direction by the slit portion and therefore to propose a new fixed adjustment of a support holding a structure for holding the holding support.

In the present invention described above, by rotating the second stopper member, the mounting portion of the first stopper member can be deformed inward to pressurize the support column, or it can be loosened by the reverse abduction movement operation and can be held up and down.

In addition, the support holder can pass through the support holder insertion portion side of the first stopper member and slide in and out along the guide holder portion inside the base holder mounting portion side.

Further, at the inner circumferential side of the upper end of the second stopper member, the supporting support projecting of the support stopper of the first stopper member is projected and gradually protruded in a predetermined range toward the inner side so as to contact the outer circumferential portion of the upper end of the passage. A slits in the vertical direction are formed in the through hole, and the pressing protrusion of the second stopper member is also brought to a thick portion of the outer circumferential portion of the support column to allow the support column to be bent and deformed in the radial direction by the slit. In this way, the support holding can be maintained.

Embodiment of the Invention

EMBODIMENT OF THE INVENTION Next, one Embodiment is shown about the fixed-stretch adjustment apparatus which concerns on this invention, and it demonstrates below based on an accompanying drawing.

The fixed expansion and contraction adjustment device 4 according to the present invention can be implemented as a fixed adjustment means of the support portion 6 of the irrigator stand (cleaning medical instrument) 5 shown in FIG. 1, for example. (See FIG. 1).

That is, the irrigator stand 5 includes the base holder 6a constituting the support part 6 which is provided on the leg part 8 on which the caster 7 for movement is mounted, and the base holder 6a. Suspension mechanism 9 for hanging a drop bottle etc. which has the support column 6b which is mounted so that height adjustment is possible by the fixed expansion-contraction adjusting apparatus 4, and is provided in the top part of the support column 6b. ).

Thus, the fixed expansion and contraction control device 4 will be described. In other words, the fixed expansion and contraction control device 4 is inserted into the base column 6a so that the support column 6b having a smaller diameter than the base column 6a can be lifted, and the support column at any position. (6b) was fixed.

The fixed expansion and contraction adjusting device 4 includes a first stopper member 10 mounted on the upper end side of the base support 6a and a support support 6b on the outside of the first stopper member 10. It is equipped with the 2nd stopper member 11 comprised so that rotational movement is possible, and it is comprised by processing so that the thickness of a periphery of a mounting part outer peripheral part (after-mentioned) of the said 1st stopper member 10 may be made thick or thin around a perimeter.

The second stopper member 11 is rotated to be in contact with the outer peripheral portion of the mounting portion of the first stopper member 10 so as to deform the mounting portion in the radial direction, and thus by the mounting portion of the first stopper member 10. The supporting column 6b is pressurized and held or loosened by a reverse rotational operation to allow the lifting and lowering.

The first stopper member 10 has a coupling pipe shape formed of synthetic resin, and the base holder mounting portion 10a is formed by holding the upper end side of the base holder 6a inside and held by the holding member. ) And a support holding portion 10b through which the holding holder 6b is fitted.

When the upper end of the base holder 6a is inserted into the base holder mounting portion 10a, the guide holder for maintaining the upper end of the base holder 6a so as not to fall out and guiding the support holder 6b ( 12) is projected.

Moreover, the said support holding part 10b is provided with the slit S of the perpendicular direction in all directions, and can bend and deform in the radial direction by this. And the outer peripheral part of this support holding part 10b is comprised so that thickness may become thick alternately in the range of 180 degrees with one slit S in the circumferential direction.

On the other hand, the second stopper member 11 is in the form of a rotary motion operation pipe having an inner diameter that can be fitted to the first stopper member 10 from the outside, and the upper half of the outer circumference portion makes the rotary motion operation easier. In order to prevent this from happening, the swelling ribs R are provided at equal intervals.

The second stopper member 11 has a dimension whose inner diameter is substantially equal to the outer diameter of the base holding portion 10a.

Furthermore, the upper half of the inner circumferential portion of the second stopper member 11 fits the step portion of the boundary between the base circumference mounting portion 10a and the support circumference portion 10b of the first stopper member 10. In contact with each other, retaining ribs Rm for holding the second stopper member 11 in position are projected at equal intervals.

The inner circumferential side of the upper end of the second stopper member 11 protrudes gradually in the range of 180 degrees toward the inner side so as to contact the upper end of the support holding portion 10b in the first stopper member 10. The pressurizing protrusion 13 protrudes. In this case, the pressing projection 13 is set to abut on the thin thickness portion of the outer circumferential portion of the support holding portion 10b.

In the irigator stand 5 having the fixed elastic adjustment device 4 having the above-described configuration, the nursing unit attaches the drop bottle and the sap bag to the hanging mechanism 9 at the top of the support column 6b. At the time of hanging, when the hanging mechanism 9 of the top part of the support column 6b is in an excessively high position, the second stopper member 11 of the fixed expansion / retraction adjusting device 4 is operated by rotational movement to hold it. Loosen, thus lowering the support post 6b into the base post 6a.

At this time, the support holder 6b passes through the support holder fitting portion 10b side of the first stopper member 10 and slides along the inside of the guide holding portion 12 on the base holder mounting portion 10a side. Go on.

And if the medallion mechanism 9 of the top part of the support column 6b is adjusted to an appropriate height, this time, rotation movement operation will be performed in the direction opposite to the direction for loosening the said 2nd stopper member 11, and this time. To perform the tightening operation.

That is, by rotating the second stopper member 11 in the opposite direction to the rotational movement operation for loosening, the projecting portion of the pressing projection 13 on the inner circumferential side of the upper end of the second stopper member 11 is Since the support holding portion 10b of the first stopper member 10 is brought from a thin portion of the outer circumferential portion of the supporting portion 10b to a thick portion, the supporting holding portion 10b is pushed inward and deformed, thereby supporting the holding portion. The support column 6b can be pressed by the inner circumferential wall of the fitting passage 10b, and the support column 6b can be kept in place so that it does not vibrate abnormally.

Thus, by pressing the support column 6b on the inner wall of the support column insertion part 10b in the 1st stopper member 10, and holding the support column 6b so that it may not vibrate abnormally in place, As described above, there is no fear that the pipe material having a small diameter that fits the shaft portion of the knob bolt is locally deformed or damaged, such as a fastening method by the knob bolt.

In addition, the problem that abnormal vibration on the side of the pipe with a small diameter remains, such as a system fitted into the dedicated attachment hole, can be solved.

As mentioned above, although the fixed-strength adjustment apparatus of the support holding body which concerns on this invention was described to the example attached to the irrigator stand 5, of course, the fixed-strength adjustment apparatus is not limited to the irrigator stand 5, of course. It can be used for other fixtures, and the versatility becomes high.

As described above, according to the present invention, there is no abnormal vibration, and the fastening point is deformed even when the fixed post is stretched and fixed by inserting the small diameter pipe member into the inside of the large diameter pipe member. It is possible to provide a supportive fixed expansion / retraction control device, and to worry that local deformation or damage of a small diameter pipe member that fits the shaft portion of a knob bolt, such as a fastening method by a knob bolt, can occur locally. none.

In addition, the problem that abnormal vibration on the side of the pipe with a small diameter remains, such as a method of fitting into a dedicated attachment hole, can be solved.

Claims (3)

A first stopper member mounted on an upper end side of the base column, which is a means for fastening a support column having a small diameter to the base column having a large diameter so as to be able to lift and lower. And a second stopper member which is mounted on the first stopper member so as to be rotatable with the support support from above, wherein the mounting portion of the first stopper member is configured to be deformable in the radial direction, The second stopper member is formed to protrude and form a mounting inner circumferential portion in contact with the mounting portion outer circumference of the first stopper member, and rotates the second stopper member to rotate the second stopper member. The mounting part can be deformed inward to pressurize the support column, or loosen by reverse rotational operation. Fixed stretch control of the supporting holding device, characterized in that a structure for holding. The said first stopper member is comprised by the base holding part which mounted the upper end side of the said base holding, and the support holding part which let the said support holding through. The base holder mounting portion is configured to keep the upper end of the base holder from falling out when the upper end of the base holder is inserted into the inside, and is configured to protrude and install the guide holder for guiding the support holder. The support clamp portion is formed so as to bend and deform in the radial direction by forming a slit in the vertical direction, and the outer peripheral portion of the support pillar clamp portion is configured to gradually increase in thickness in a predetermined range in the circumferential direction. Fixed telescopic adjuster. 3. The second stopper member according to claim 1 or 2, wherein the upper half of the outer circumferential portion of the first stopper member is expanded in shape to facilitate rotational movement and at the same time between the ribs for sliding stops. And a holding rib for holding the second stopper member at a predetermined position by contacting the stepped portion of the boundary between the base circumference mounting portion of the first stopper member and the outer circumference portion of the support holding portion in the first stopper member. Protrude and install the pressure projection projecting gradually in a predetermined range toward the inner circumferential side of the upper end of the second stopper member to the outer circumferential portion of the upper end of the support holding portion of the first stopper member. In the support holding pinch portion, a vertical slit is formed, and the support protrusion pinching portion of the second stopper member is inserted. By leading to the thick portion of the outer circumferential portion, fitted tonghagi support holding unit, to be slit by the bending deformation in the radial direction, and thus fixed and supported new adjustment of the holding, characterized in that a structure for holding the holding support.