JP6330171B2 - Leg adjuster - Google Patents

Leg adjuster Download PDF

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JP6330171B2
JP6330171B2 JP2013119953A JP2013119953A JP6330171B2 JP 6330171 B2 JP6330171 B2 JP 6330171B2 JP 2013119953 A JP2013119953 A JP 2013119953A JP 2013119953 A JP2013119953 A JP 2013119953A JP 6330171 B2 JP6330171 B2 JP 6330171B2
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leg
adjuster
female screw
holding member
main body
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JP2014236801A5 (en
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芳典 中川
芳典 中川
祐次 大谷
祐次 大谷
水上　博之
博之 水上
竜太 水野
竜太 水野
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タニコー株式会社
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Description

本発明は、重量のある装置又は機器類に取り付けられ、当該装置又は機器類が所定の位置になるよう高さ調整できるようにするレベリング部を備えた脚部アジャスタに関するものである。   The present invention relates to a leg adjuster that is attached to a heavy apparatus or device and includes a leveling unit that allows the height of the apparatus or device to be adjusted to a predetermined position.

従来から、例えば、テーブル等の家具を含む様々な被支持対象物の水平レベルを出したり或いは被支持対象物を所望の高さに維持するために、被支持対象物を支持する脚体の下端に高さ調節用のアジャスタが設けられている。アジャスタは、例えば、内周面に雌ねじ部を有する筒状の受け具を固定し、この受け具の雌ねじ部に対して、床面に接地する接地部の上面に上向きに突設した雄ねじ部のアジャスタボルトを下方から螺合させるという構成のアジャスタが開示されている（例えば、下記特許文献１）。受け具に対するアジャスタボルトのねじ込み量を加減することにより被支持対象物の高さ調節が行われる。   Conventionally, for example, the lower end of a leg that supports a supported object in order to obtain a horizontal level of various supported objects including furniture such as a table or to maintain the supported object at a desired height. Is provided with an adjuster for height adjustment. The adjuster, for example, fixes a cylindrical receptacle having a female threaded portion on the inner peripheral surface, and has a male threaded portion projecting upward on the upper surface of the grounding portion that contacts the floor surface with respect to the female threaded portion of the receptacle. An adjuster having a configuration in which an adjuster bolt is screwed from below is disclosed (for example, Patent Document 1 below). The height of the supported object is adjusted by adjusting the screwing amount of the adjuster bolt with respect to the support.

実用新案登録第３１０６４１１号公報Utility Model Registration No. 3106411

しかしながら、上述したアジャスタ構成の場合、アジャスタボルトを軸線回りに回転させるに従いねじ部が露出することになる（上記特許文献１の図１及び図２参照）。そのため、埃や油等が充満する室内でこのようなねじ部が露出したアジャスタボルトを使用した場合、ねじ部に油や塵などが付着し易くなってしまい、清掃が面倒である。ねじ部が極端に汚れると、アジャスタボルトを回転することも困難になるという問題がある。   However, in the case of the adjuster configuration described above, the thread portion is exposed as the adjuster bolt is rotated about the axis (see FIGS. 1 and 2 of Patent Document 1). Therefore, when an adjuster bolt with such a screw portion exposed is used in a room filled with dust, oil, etc., the oil, dust, etc. are likely to adhere to the screw portion, and cleaning is troublesome. If the threaded portion is extremely dirty, it is difficult to rotate the adjuster bolt.

例えば、調理店やコンビニエンスストア等に設置される厨房機器の一つとしてフライヤー機器がある。フライヤー機器は油槽に油を注いで加熱する。このため、フライヤー機器の使用に伴い、油槽内の油を熱したことで生じる油煙等がフライヤー機器の設置空間に充満し、フライヤー機器自体に付着する。フライヤー機器を支持する脚部にアジャスタがあれば、このアジャスタにも油や塵などが付着してしまっていた。   For example, there is a flyer device as one of kitchen devices installed in a cooking store or a convenience store. The fryer equipment heats the oil tank by pouring oil. For this reason, along with the use of the fryer device, the oily smoke generated by heating the oil in the oil tank fills the installation space of the fryer device and adheres to the fryer device itself. If there was an adjuster on the leg that supports the flyer device, oil or dust would adhere to this adjuster.

このような商業用厨房機器の場合、一般社団法人 日本厨房工業会（ＪＦＥＡ）によって、食品設備機器の材料、構造、強度、性能、取り扱いおよび表示に関する最小限の要求事項として「業務用厨房設備機器共通基準」が定められており、この基準に準拠することが要求されている。特に、7.3.2章では、脚部に関する基準が定められていて、「機器の脚部は凹凸が少なく且つ容易に清掃できること。下部にごみが溜まりやすい脚やねじの露出する脚は認められない。」という基準を満たすことが必要である。   In the case of such commercial kitchen equipment, the Japan Kitchen Industry Association (JFEA) has designated as “Minimum Requirements for Materials, Structure, Strength, Performance, Handling and Display of Food Equipment Equipment” A “common standard” has been established and is required to comply with this standard. In particular, in Section 7.3.2, the standards for legs are defined, “Equipment legs must have little unevenness and can be cleaned easily. Legs that tend to collect debris and exposed legs are not allowed. It is necessary to meet the standard.

したがって、厨房機器の脚部には、油塵が溜まりやすいねじ部が露出する構造は基本的に採用することができない。そこで雄ねじ部の外部露出を避けるために、アジャスタボルトと、雌ねじ部を有する受け具とを一体構造として形成することが考えられるが、製造コストが大幅に増えるので実用的ではない。   Therefore, it is basically impossible to adopt a structure in which a threaded portion in which oil dust easily collects is exposed at the leg portion of the kitchen device. In order to avoid external exposure of the male screw portion, it is conceivable to form the adjuster bolt and the receiving member having the female screw portion as an integral structure, but this is not practical because the manufacturing cost increases significantly.

また、厨房機器のフライヤー機器等はその油槽に大量の油が注入されるため、一般のテーブル等と異なりかなりの重量となる。ボルトのねじと受け具のねじ孔との螺合のみでフライヤー機器を支持する従来のような構成は、重量のある機器類のアジャスタとしてその耐荷重性において脆弱である。   In addition, since a large amount of oil is injected into the oil tank of a fryer device or the like of a kitchen device, the weight is considerably different from a general table or the like. The conventional configuration in which the flyer device is supported only by screwing the screw of the bolt and the screw hole of the receiver is weak in load resistance as an adjuster of a heavy device.

そこで、本発明は上述した問題点に鑑み為されたものであり、脚部のネジの露出がされることなく、耐荷重性に優れた脚部アジャスタを提供することを目的とする。   Therefore, the present invention has been made in view of the above-described problems, and an object thereof is to provide a leg adjuster having excellent load resistance without exposing the screws of the leg.

上記課題を解決するために本発明に係る脚部アジャスタは、脚本体部の端部から所定の距離に雌ねじ部材が配置されるようにした中空の脚本体部と、雄ねじ部を有するレベリング部とを備え、脚本体部に固定された少なくとも１つの抑え部材が雌ねじ部に隣接して配置され、レベリング部の雄ねじ部が脚本体部の内部にある状態でこの脚本体部が使用される構成であることを特徴とする。 In order to solve the above problems, a leg adjuster according to the present invention includes a hollow leg main body portion in which a female screw member is disposed at a predetermined distance from an end of the leg main body portion, and a leveling portion having a male screw portion. comprising a structure of at least one restraining member is fixed to the leg body portion is located adjacent to the female threaded portion, the male screw portion of the leveling unit is the leg body part is used in a state that is inside of the leg body portion It is characterized by being.

また、特に、複数の前記抑え部材によって雌ねじ部材を上下で挟むように配置されていること、及び、レベリング部の底部形状が規格工具に適合するように加工されていることを更なる特徴として含む。   In addition, it is particularly arranged that the female screw member is sandwiched between a plurality of the restraining members and that the bottom shape of the leveling portion is machined to conform to a standard tool. .

本発明に係る脚部アジャスタは、脚本体部の端部から所定の距離に雌ねじ部材が配置されるようにした中空の脚本体部と、雄ねじ部を有するレベリング部とを備え、レベリング部の雄ねじ部が脚本体部の内部にある状態でこの脚本体部が使用される構成であるため、脚本体部はレベリング部の雄ねじ部が外部に露出されないようにするカバー部材になる。このため、油煙等が充満した空間で脚部アジャスタが使用されたとしても、雄ねじ部に油や塵等が付着することはなく、清潔な状態のまま保持することができる。   A leg adjuster according to the present invention includes a hollow leg main body part in which a female screw member is disposed at a predetermined distance from an end of the leg main body part, and a leveling part having a male screw part, and the male screw of the leveling part Since the leg main body portion is used in a state where the portion is inside the leg main body portion, the leg main body portion serves as a cover member that prevents the external thread portion of the leveling portion from being exposed to the outside. For this reason, even if the leg adjuster is used in a space filled with oil smoke or the like, oil or dust does not adhere to the male screw portion, and can be kept clean.

また、本発明に係る脚部アジャスタは、脚本体部に固定された少なくとも１つの抑え部材が雌ねじ部に隣接して配置される構成であるため、脚部アジャスタが支持する被支持対象物（例えば、フライヤー機器等）の重量が大きくても、その重さを雄ねじ部と雌ねじ部材の螺合のみで支えるのではなく抑え部材と共にその被支持対象物の重量を受けることから耐荷重に優れ、脚部アジャスタの強度信頼性を向上させることができる。特に、複数の抑え部材によって雌ねじ部材を上下で挟むように配置されている構成にした場合、従来の脚部アジャスタよりも格段に耐荷重性が増大する。 Further, leg adjuster according to the present invention, since at least one restraining member is fixed to the leg body portion is configured to be positioned adjacent to the female screw portion, the supported object leg adjuster support ( For example, even if the weight of the flyer device is large, the weight is not supported only by screwing of the male screw part and the female screw member, but the weight of the supported object is received together with the restraining member, so the load resistance is excellent. The strength reliability of the leg adjuster can be improved. Particularly, when the female screw member is arranged so as to be sandwiched between a plurality of holding members, the load resistance is significantly increased as compared with the conventional leg adjuster.

さらにまた、レベリング部の底部形状が規格工具に適合するように加工した構成の場合、規格工具を用いてレベリング部を容易に回転することが可能となり、雌ねじ部材との螺合を迅速に行うことができる。   Furthermore, in the case of a configuration in which the bottom shape of the leveling part is machined so as to conform to the standard tool, the leveling part can be easily rotated using the standard tool, and the screwing with the female screw member can be performed quickly. Can do.

本発明の一実施形態である脚部アジャスタの断面図である。It is sectional drawing of the leg adjuster which is one Embodiment of this invention. 本発明の一実施形態である脚部アジャスタの内部構造を示す図である。It is a figure which shows the internal structure of the leg adjuster which is one Embodiment of this invention. 従来の脚部アジャスタ例を示す図である。It is a figure which shows the example of the conventional leg part adjuster. 圧縮試験結果を示すグラフである。It is a graph which shows a compression test result.

以下、本発明の好適な実施の形態について図面を参照しながら詳細に説明する。
図１は本発明の一実施例を示す脚部アジャスタ１０の断面図である。脚部アジャスタ１０は、雄ねじ部２を有するレベリング部１と、これに螺合する雌ねじ部材４を有する受け部とからなる。図１は、レベリング部１の雄ねじ部２が雌ねじ部材４に螺合された状態を示している。なお、脚本体部５の上方（矢印方向）にフライヤー機器等の被支持対象物（図示せず）が設置される。 DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.
FIG. 1 is a cross-sectional view of a leg adjuster 10 showing an embodiment of the present invention. The leg adjuster 10 includes a leveling portion 1 having a male screw portion 2 and a receiving portion having a female screw member 4 screwed into the leveling portion 1. FIG. 1 shows a state in which the male screw part 2 of the leveling part 1 is screwed to the female screw member 4. A supported object (not shown) such as a flyer device is installed above the leg body 5 (in the direction of the arrow).

図２は、図１に示す脚部アジャスタ１０において、レベリング部１が差し込まれる前であり、且つ、脚本体部５を分解したときの斜視図である。図１及び図２に示すとおり、レベリング部１は、円筒形状の金属部材を接地面から一定の高さを超えるとねじ部２を有するように加工されている。また、レベリング部１を回転させることによって被支持対象物の高さ調整を行うが、規格工具を用いた回転が容易に実現できるように、円筒の一部を規格工具の形状（例えば、六角柱）にして回転し易いようにしてもよい。本実施例のレベリング部１の場合、最下端、すなわち接地面に近い部分３が六角柱形状になるよう加工されている。   FIG. 2 is a perspective view of the leg adjuster 10 shown in FIG. 1 before the leveling part 1 is inserted and when the leg main body part 5 is disassembled. As shown in FIGS. 1 and 2, the leveling portion 1 is processed so as to have a threaded portion 2 when a cylindrical metal member exceeds a certain height from the grounding surface. In addition, the height of the object to be supported is adjusted by rotating the leveling unit 1, but a part of the cylinder is formed in the shape of the standard tool (for example, a hexagonal column so that rotation using the standard tool can be easily realized). ) To facilitate rotation. In the case of the leveling portion 1 of the present embodiment, the lowermost end, that is, the portion 3 close to the grounding surface is processed so as to have a hexagonal prism shape.

脚本体部５は、レベリング部１の雄ねじ部２に螺合する雌ねじ部材４（すなわち、ナット）を内部に有し、Ｌ字型に曲げた２つの板金５ａ，５ｂを重ねると一つの四角柱が脚本体部として形成される。板金５ａ，５ｂは溶接止めする。さらに、脚本体部５よりも小さな板金部材をコの字型に加工した２つの抑え金具６ａ，６ｂで雌ねじ部材４を挟み込んで、脚本体部５内に収納される構造である。
なお、本実施例の場合、脚本体部５を加工し易い四角柱形状にしたが、必ずしもこれに限定するものではなく、例えば円柱に折り曲げ加工してもよい。この場合、抑え金具６ａ，６ｂも脚本体部に適宜あわせた形状にすればよい。 The leg main body 5 has a female screw member 4 (that is, a nut) that is screwed into the male screw part 2 of the leveling part 1 inside, and when two sheet metals 5a and 5b bent in an L shape are stacked, one leg is obtained. Is formed as a leg body. The metal plates 5a and 5b are welded. Further, the female screw member 4 is sandwiched between two holding metal fittings 6a and 6b obtained by processing a sheet metal member smaller than the leg main body portion 5 into a U-shape, and is housed in the leg main body portion 5.
In the case of the present embodiment, the leg main body 5 is formed into a quadrangular prism shape that can be easily processed. However, the shape is not necessarily limited to this, and may be bent into a cylinder, for example. In this case, the holding metal fittings 6a and 6b may be formed in a shape appropriately matched to the leg main body.

雌ねじ部材４と下抑え金具６ｂは溶接固定される。本実施例の場合、金属の熱膨張等を考慮して上抑え金具６ａと雌ねじ部材４とを溶接固定しておらず、これらの間はあそびとしての隙間を設けており、上抑え金具６ａ自体が脚本体部５の内面に溶接止めされる。必要に応じて上抑え金具６ａについても雌ねじ部材４と溶接止めしてもよい。   The female screw member 4 and the lower holding member 6b are fixed by welding. In the case of the present embodiment, the upper restraining metal fitting 6a and the female screw member 4 are not welded and fixed in consideration of the thermal expansion of the metal and the like, and a gap is provided between them as the upper restraining metal fitting 6a itself. Is welded to the inner surface of the leg body 5. If necessary, the upper holding fitting 6a may be welded to the female screw member 4.

脚本体部５並びに下抑え金具６ｂ及び上抑え金具６ａは、雄ねじ部２の直径寸法にあわせた貫通孔を有し、雄ねじ部２が差し込まれて雌ねじ部材４に螺合するとねじ山が脚本体部５内に収納される。図１は、雄ねじ部２が完全に差し込まれて脚本体部５と一体になったときの断面図を示す。図１に示すとおり、雄ねじ部２は脚本体部５の内部に収容されて外部に露出しないため、油煙や塵などの汚染物質から保護される。その結果、脚部アジャスタ１０により支持されるフライヤー機器等が長時間使用されて油煙等によって脚部アジャスタ１０の清掃が必要になったときでもねじ山自体には汚染物質が付着しにくく、雄ねじ部２の回転を滑らかに動かすことができる。   The leg body 5, the lower restraining bracket 6 b, and the upper restraining bracket 6 a have a through hole that matches the diameter of the male threaded portion 2, and when the male threaded portion 2 is inserted and screwed into the female threaded member 4, the screw thread becomes It is stored in the part 5. FIG. 1 shows a cross-sectional view when the male screw portion 2 is completely inserted and integrated with the leg main body portion 5. As shown in FIG. 1, the male screw portion 2 is housed inside the leg body portion 5 and is not exposed to the outside, so that it is protected from contaminants such as oil smoke and dust. As a result, even when a flyer device or the like supported by the leg adjuster 10 is used for a long time and the leg adjuster 10 needs to be cleaned by oil smoke or the like, contaminants are less likely to adhere to the thread itself. The rotation of 2 can be moved smoothly.

また、雌ねじ部材４を上下に挟み込んでいるコの字型の板金部材６ａ，６ｂは、雌ねじ部材４の抑え金具として機能するとともに、補強材としての役目も有する。すなわち、脚本体部５の上方（矢印方向）に設置される被支持対象物が重い場合でも、雌ねじ部材４にかかる被支持対象物の重量を下抑え金具６ｂ及び上抑え金具６ａと共に支持するため、脚部アジャスタ１０の耐重量性能を従来よりも格段に向上させることが可能である。   In addition, the U-shaped sheet metal members 6a and 6b sandwiching the female screw member 4 up and down function as holding metal parts for the female screw member 4 and also serve as a reinforcing material. That is, even when the supported object installed above the leg main body 5 (in the direction of the arrow) is heavy, the weight of the supported object applied to the female screw member 4 is supported together with the lower restraining metal fitting 6b and the upper restraining metal fitting 6a. Further, the weight resistance performance of the leg adjuster 10 can be remarkably improved as compared with the conventional art.

なお、脚アジャスタの他の実施形態としては、上述した板金部材以外にも、受け部（ナット部材）を、例えば、アルミや鉄若しくは他の金属の棒材の内部にねじを切った削り出しにより作製することができる。   As another embodiment of the leg adjuster, in addition to the above-described sheet metal member, the receiving portion (nut member) may be formed by, for example, cutting an aluminum, iron, or other metal bar with a screw. Can be produced.

図４は、脚部アジャスタ１０の耐重量性能を検証するために行った圧縮試験結果を示したグラフである。福井県工業技術センターの万能材料試験機を用いて、本実施例に係る脚部アジャスタ１０の最大応力値を従来のアジャスタの場合と比較した。
なお、角パイプの上に取付けた状態の本実施例の脚部アジャスタ１０に対し、速度は５ｍｍ／分で力を加えて圧縮を行った。その結果が図４（ａ）である。なお、試験サンプルは３種類、すなわち３回の圧縮試験を実行した。 FIG. 4 is a graph showing the results of a compression test performed to verify the weight resistance performance of the leg adjuster 10. The maximum stress value of the leg adjuster 10 according to this example was compared with that of the conventional adjuster using a universal material testing machine at Fukui Industrial Technology Center.
In addition, with respect to the leg adjuster 10 of the present Example attached to the square pipe, the compression was performed by applying a force at a speed of 5 mm / min. The result is shown in FIG. Note that three types of test samples, that is, three compression tests were performed.

本実施例の脚部アジャスタ１０は、上述したように雌ねじ部材４の上下に２つの抑え金具６ａ，６ｂを配設する。この２つの抑え金具の有効性を確認するため、１つの抑え金具、即ち、下抑え金具６ｂのみを有する脚部アジャスタを別途準備し、その圧縮試験も行った結果が図４（ｂ）である。さらに、図４（ｃ）は、図３に示す脚部のねじ山が外部に露出している従来型のアジャスタに対して行った試験結果である。図４（ａ）と同様に、図４（ｂ）及び図４（ｃ）においても試験サンプルは３種類とした。   As described above, the leg adjuster 10 of the present embodiment has the two holding metal fittings 6a and 6b disposed above and below the female screw member 4. FIG. 4B shows a result of separately preparing a leg adjuster having only one holding bracket, that is, the lower holding bracket 6b, and performing a compression test in order to confirm the effectiveness of the two holding brackets. . Further, FIG. 4C shows the results of a test performed on a conventional adjuster in which the thread of the leg shown in FIG. 3 is exposed to the outside. As in FIG. 4A, three types of test samples were used in FIGS. 4B and 4C.

なお、図４（ａ）〜（ｃ）において、横軸のひずみ量[ｍｍ]は各グラフで同一尺度になっていないことに留意されたい。各構造のアジャスタについて、総計各３回の試験結果のひずみ量と応力値の関係を明確に把握する関係上、ひずみ量の大きな図４（ｃ）の尺度にあわせて図４（ａ）及び図（ｂ）を表示していないためである。   Note that in FIGS. 4A to 4C, the amount of strain [mm] on the horizontal axis is not the same scale in each graph. For the adjusters of each structure, in order to clearly grasp the relationship between the amount of strain and the stress value of the test results of three times in total, in accordance with the scale of FIG. This is because (b) is not displayed.

各ケースの最大応力値を各サンプルについて測定した結果を次表に示す。   The results of measuring the maximum stress value of each case for each sample are shown in the following table.

Figure 0006330171
Figure 0006330171

各構造のアジャスタにおける各３回の試験のうち、図４（ａ）では試験サンプル＃２が最大応力値２４１３ｋｇｆ、図４（ｂ）では試験サンプル＃３が最大応力値１５７４ｋｇｆ、図４（ｃ）では試験サンプル＃３が最大応力値１０２３ｋｇｆであった。それぞれにおいて若干のばらつきはあるが、上下抑え金具有りケース（図４（ａ））、下抑え金具のみ有りケース（図４（ｂ））、従来型アジャスタのねじ山露出タイプ（図４（ｃ））の順で最大応力値が高いことが確認できた。   Of the three tests performed by the adjusters of each structure, in FIG. 4A, test sample # 2 has a maximum stress value of 2413 kgf, and in FIG. 4B, test sample # 3 has a maximum stress value of 1574 kgf, FIG. Then, test sample # 3 had a maximum stress value of 1023 kgf. Although there are slight variations in each case, the case with the upper and lower holding metal fittings (Fig. 4 (a)), the case with only the lower holding metal fittings (Fig. 4 (b)), the exposed thread type of the conventional adjuster (Fig. 4 (c)) It was confirmed that the maximum stress value was higher in the order of).

特に、本実施例の脚部アジャスタ１０に相当する図４（ａ）と、従来型アジャスタに相当する図４（ｃ）を比較すると、本実施例の脚部アジャスタ１０は応力が大きくなってもひずみ量は小さい。従来型アジャスタが５００ｋｇｆでおよそ１〜３ｍｍひずむのに対し、本実施例の脚部アジャスタ１０において１〜３ｍｍのひずみ量が生じるのはおよそ１０００〜２０００ｋｇｆの応力まで耐えられることが検証できた。   In particular, when FIG. 4A corresponding to the leg adjuster 10 of the present embodiment is compared with FIG. 4C corresponding to the conventional adjuster, the leg adjuster 10 of the present embodiment has a large stress. The amount of strain is small. It has been verified that the conventional adjuster is distorted by about 1 to 3 mm at 500 kgf, whereas the leg adjuster 10 of the present embodiment can withstand a strain of 1 to 3 mm up to a stress of about 1000 to 2000 kgf.

各３回の平均最大応力をみても、上下抑え金具有りケースが最も大きいながら、平均最大ひずみ量は従来型アジャスタのねじ山露出タイプより小さく抑えている。なお、上下抑え金具有りケースの平均最大ひずみ量（2.7ｍｍ）は、下抑え金具のみ有りケースの平均最大ひずみ量（1.9ｍｍ）よりも大きいが、単位応力あたりのひずみ量を計算すると、ほぼ同様の値であることがわかった。   Even when the average maximum stress is observed three times each, the average maximum strain is kept smaller than that of the conventional adjuster thread exposed type, although the case with the upper and lower holding brackets is the largest. The average maximum strain (2.7 mm) of the case with the upper and lower holding brackets is larger than the average maximum strain (1.9 mm) of the case with only the lower holding brackets. It was found that

さらに、加重試験後のアジャスタの外観形状の変化をみると、図４（ａ）に示す本実施例の構造の脚部アジャスタ１０の場合、外観、ねじ部ともに変化はなかった。ただし、２０００ｋｇｆ以上の加重になると、脚本体部５が変形し始め、下抑え金具６ｂと雌ねじ部材４を結合している溶接部や、脚本体部５ａ，５ｂを溶接止めしている複数の箇所で、溶接割れが生じた。一方、図４（ｃ）に示すねじ山露出タイプの場合、アジャストボルトのねじ部接合部から破断し、ねじの軸線が１５ｍｍ程度内側に絞られて傾斜していた。   Further, when the change in the external shape of the adjuster after the load test is observed, in the case of the leg adjuster 10 having the structure of the present embodiment shown in FIG. However, when a load of 2000 kgf or more is applied, the leg main body 5 starts to deform, and a welded portion that joins the lower holding metal fitting 6b and the female screw member 4 and a plurality of locations where the leg main body 5a and 5b are welded stopped. Thus, a weld crack occurred. On the other hand, in the case of the thread-exposed type shown in FIG. 4C, the thread was broken from the threaded joint portion of the adjusting bolt, and the screw axis was narrowed to the inside by about 15 mm and inclined.

以上の結果より、従来の脚部アジャスタよりも本願発明の脚部アジャスタの方が圧縮に対して耐えられる荷重は大きく、より重い上部の被支持対象物を支えられること、及びその時のひずみ（変位）も従来品より小さいことが判明した。   From the above results, the leg adjuster of the present invention has a larger load that can withstand compression than the conventional leg adjuster, and can support a heavier upper supported object and strain (displacement) at that time. ) Was also found to be smaller than the conventional product.

１ レベリング部
２ 雄ねじ部
４ 雌ねじ部材
５ 脚本体部
６ａ 上抑え金具
６ｂ 下抑え金具
１０ 脚部アジャスタ DESCRIPTION OF SYMBOLS 1 Leveling part 2 Male thread part 4 Female thread member 5 Leg main-body part 6a Upper restraint metal 6b Lower restraint metal 10 Leg adjuster

Claims (3)

脚本体部の端部から所定の距離に雌ねじ部材が配置されるようにした中空の前記脚本体部と、
雄ねじ部を有するレベリング部と、
前記雌ねじ部材を上下で挟んだ非一体構成の上抑え部材及び下抑え部材を含む抑え部材であって、前記上抑え部材及び前記下抑え部材の間を少なくとも前記雌ねじ部材の高さ離すことにより、前記上抑え部材及び前記下抑え部材のいずれの部分も前記端部からの高さ方向で重複することなく、前記雌ねじ部材の上方に前記上抑え部材を、前記雌ねじ部材の下方に前記下抑え部材を配置した前記抑え部材と、を備えた脚部アジャスタであって、
前記レベリング部の雄ねじ部が前記中空の脚本体部の内部にある状態で前記脚本体部が使用されることを特徴とする脚部アジャスタ。 The hollow leg main body part in which the female screw member is arranged at a predetermined distance from the end of the leg main body part,
A leveling portion having a male screw portion;
A holding member including an upper holding member and a lower holding member having a non-integral configuration sandwiching the female screw member between the upper and lower sides, and by separating at least the height of the female screw member between the upper holding member and the lower holding member, No part of the upper holding member and the lower holding member overlaps in the height direction from the end, and the upper holding member is located above the female screw member and the lower holding member is located below the female screw member. A leg adjuster comprising:
The leg adjuster is characterized in that the leg main body is used in a state in which the male screw part of the leveling part is inside the hollow leg main body. 前記抑え部材のうちの一部は前記雌ねじ部材と溶接止めされている、請求項１に記載の脚部アジャスタ。   The leg adjuster according to claim 1, wherein a part of the holding member is welded to the female screw member. 前記レベリング部の底部形状が規格工具に適合するように加工されている、請求項１又は２に記載の脚部アジャスタ。   The leg adjuster according to claim 1 or 2, wherein a bottom shape of the leveling part is processed so as to conform to a standard tool.
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US3045389A (en) * 1960-03-02 1962-07-24 Garcy Corp Leveling device for standards
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