JPH05187119A - Floor jack - Google Patents
Floor jackInfo
- Publication number
- JPH05187119A JPH05187119A JP2211592A JP2211592A JPH05187119A JP H05187119 A JPH05187119 A JP H05187119A JP 2211592 A JP2211592 A JP 2211592A JP 2211592 A JP2211592 A JP 2211592A JP H05187119 A JPH05187119 A JP H05187119A
- Authority
- JP
- Japan
- Prior art keywords
- end side
- cylindrical body
- male screw
- peripheral surface
- female screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Floor Finish (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、事務所などのオフィス
において配線の効率化や地震対策などのために床面を浮
上させて支持するフロアジャッキに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor jack that floats and supports a floor surface in an office such as an office to improve wiring efficiency and prevent earthquakes.
【０００２】[0002]
【従来の技術】従来、この種のフロアジャッキは、外周
に雄ネジを形成した筒体を鉛直方向に配設するとともに
下端に幅広の台部（当接部）を備えた下部支持体（細径
の筒体）と、上端に幅広の載置部（当接部）を有すると
ともに上記下部支持体を上方より収納可能な筒体であっ
て下端の開口部に上記雄ネジと螺合する雌ネジを形成し
た上部支持体（太径の筒体）とで構成されている。2. Description of the Related Art Conventionally, a floor jack of this type has a lower support body (a thin support body) having a wide base portion (abutting portion) arranged at the lower end and a cylindrical body having a male screw formed on the outer periphery in the vertical direction. A cylindrical body having a large diameter) and a wide mounting portion (abutting portion) at the upper end and capable of accommodating the lower support member from above, and a female member screwed into the male screw at the opening portion at the lower end. It is composed of an upper support body (a large-diameter cylindrical body) formed with screws.
【０００３】かかる構成において、下部支持体を所定位
置に置き、この下部支持体における雄ネジに対して上部
支持体を螺合せしめることにより、下部支持体と上部支
持体とが一体化するとともに載置部の高さを自由に変更
可能となる。In such a structure, the lower support is placed at a predetermined position, and the upper support is screwed onto the male screw of the lower support, whereby the lower support and the upper support are integrated and mounted. The height of the table can be changed freely.
【０００４】[0004]
【発明が解決しようとする課題】上述した従来のフロア
ジャッキにおいては、下部支持体と上部支持体との固定
力が弱く、長年の間の使用によりガタが生じやすいとい
う課題があった。The above-mentioned conventional floor jack has a problem in that the fixing force between the lower support and the upper support is weak, and play is likely to occur due to long-term use.
【０００５】本発明は、上記課題にかんがみてなされた
もので、自由な高さ調製が可能であるとともに上部側と
下部側の支持部材を長年にわたって堅固に固定すること
が可能なフロアジャッキの提供を目的とする。The present invention has been made in view of the above problems, and provides a floor jack capable of freely adjusting the height and firmly fixing the upper and lower support members for many years. With the goal.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、請求項１にかかる発明は、一端に幅広の当接部を有
する太径と細径の筒体を当該当接部を有しない側で太径
の筒体内に細径の筒体を所定長さだけ挿入して固定する
フロアジャッキにおいて、上記太径の筒体を、上記当接
部を形成した当接端側と反対の開放端側に向かうほど外
方側に肉厚を厚くするとともに同開放端側から当接端側
に向けて複数の切り込みを形成し、かつ、その外周面に
は当該切り込みの終端近辺から上記開放端側にむけて雄
ネジを形成して構成し、さらに、この太径の筒体におけ
る外周面の雄ネジに螺合し、開放端側に向かって螺合す
るほど当該筒体の内径を減少せしめる雌ネジ部材を備え
た構成としてある。In order to achieve the above object, the invention according to claim 1 provides a thick and thin cylindrical body having a wide contact portion at one end on a side not having the contact portion. In a floor jack in which a small-diameter cylindrical body is inserted into and fixed to a large-diameter cylindrical body by a predetermined length, the large-diameter cylindrical body has an open end opposite to the contact end side where the contact part is formed. The thickness increases toward the side toward the outside, and a plurality of cuts are formed from the open end side to the abutting end side, and the outer peripheral surface of the cut end extends from the vicinity of the end of the cut to the open end side. A female screw that is formed by forming a male screw toward the outside, and is further screwed to the male screw on the outer peripheral surface of the large-diameter cylindrical body and reduces the inner diameter of the cylindrical body as it is screwed toward the open end side. It is provided with a screw member.
【０００７】また、請求項２にかかる発明は、請求項１
に記載のフロアジャッキにおいて、上記細径の筒体を、
開放端側より当接端側に向けて外周面に雄ネジを形成し
た構成とし、上記太径の筒体を、開放端側より当接端側
に向けて内周面に上記細径の筒体における外周面の雄ネ
ジに螺合するリング状の雌ネジを形成した構成としてあ
る。The invention according to claim 2 is based on claim 1.
In the floor jack according to,
A male screw is formed on the outer peripheral surface from the open end side to the abutting end side, and the large-diameter cylindrical body is formed on the inner peripheral surface from the open end side to the abutting end side. A ring-shaped female screw that is screwed into the male screw on the outer peripheral surface of the body is formed.
【０００８】[0008]
【作用】上記のように構成した請求項１にかかる発明に
おいては、太径の筒体の開放端内に細径の筒体の開放端
を所定長さだけ挿入し、かつ、太径の筒体の外周に形成
した雄ネジに対して雌ネジ部材を螺合せしめる。このと
き、当該雌ネジ部材が下方に向かっていくにつれて肉厚
の厚くなる部分に螺合していくことになり、筒体が内方
に押し込まれ、内径が減少する。このため、細径の筒体
を外方より締め付けることになり、両筒体は堅固に固定
される。In the invention according to claim 1 configured as described above, the open end of the small-diameter cylindrical body is inserted into the open end of the large-diameter cylindrical body by a predetermined length, and the large-diameter cylindrical body is inserted. The female screw member is screwed onto the male screw formed on the outer circumference of the body. At this time, the female screw member is screwed into a portion whose thickness becomes thicker as it goes downward, so that the cylindrical body is pushed inward and the inner diameter is reduced. For this reason, the small-diameter tubular body is tightened from the outside, and both tubular bodies are firmly fixed.
【０００９】なお、雌ネジ部材が肉厚部分に螺合してい
く際には、太径の筒体における開放端側から当接端側に
向けて形成された複数の切り込みにより、開放端側にお
いて先端がすぼまるように変形し、筒体の内径を減少せ
しめる。When the female screw member is screwed into the thick portion, the open end side is formed by a plurality of notches formed from the open end side to the abutting end side of the large-diameter cylindrical body. At, the tip is deformed so as to be narrowed, and the inner diameter of the cylinder is reduced.
【００１０】また、上記のように構成した請求項２にか
かる発明においては、開放端側から当接端側に向けて細
径の筒体の外周面に形成した雄ネジに対して、開放端側
から当接端側に向けて太径の筒体の内周面に形成した雌
ネジを螺合せしめ、高さ調製を行なった後に雌ネジ部材
によって両筒体を堅固に固定する。Further, in the invention according to claim 2 configured as described above, in comparison with the male screw formed on the outer peripheral surface of the cylindrical body having the small diameter from the open end side to the contact end side, the open end is formed. Side to the abutting end side, female threads formed on the inner peripheral surface of a large-diameter tubular body are screwed together to adjust the height, and then both tubular bodies are firmly fixed by a female thread member.
【００１１】[0011]
【発明の効果】以上説明したように本発明は、太径の筒
体を外方から締め付けることにより細径の筒体の外周面
に対して強固に押し付け、両筒体を極めて堅固に固定し
て長年にわたって安定して使用することが可能なフロア
ジャッキを提供することができる。As described above, according to the present invention, by tightly pressing a large-diameter cylindrical body from the outside, the large-diameter cylindrical body is firmly pressed against the outer peripheral surface of the small-diameter cylindrical body, and both cylindrical bodies are extremely firmly fixed. It is possible to provide a floor jack that can be used stably for many years.
【００１２】[0012]
【実施例】以下、図面にもとづいて本発明の実施例を説
明する。図１は、本発明の一実施例にかかるフロアジャ
ッキの斜視図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a floor jack according to an embodiment of the present invention.
【００１３】同図において、上部筒体（太径の筒体）１
０は、略円筒形状をなす胴部１１の上端開放口部分に径
の広い円盤状の当接部１２を固着してなり、図２に断面
を示すように、その内径が上端より下端に向けて一定で
あるのに対し、胴部１１の中程より下端に向かって徐々
に肉厚を変化させ、外径が増加するように形成してあ
る。In the figure, an upper cylinder (a cylinder with a large diameter) 1
In the case of 0, a wide disk-shaped contact portion 12 is fixed to the upper end opening portion of the body portion 11 having a substantially cylindrical shape, and its inner diameter is directed from the upper end to the lower end as shown in the cross section in FIG. However, the thickness is gradually changed from the middle of the body 11 toward the lower end, and the outer diameter is increased.
【００１４】胴部１１の内周面には雌ネジ１３を形成し
てあり、外周面には肉厚が徐々に変化する部分から下端
にかけて雄ネジ１４を形成してある。また、この雄ネジ
１４を形成した部分には円周方向に当該胴部１１を四分
割する切り込み１５を設けてある。A female screw 13 is formed on the inner peripheral surface of the body portion 11, and a male screw 14 is formed on the outer peripheral surface from the portion where the wall thickness gradually changes to the lower end. In addition, a notch 15 that divides the body portion 11 into four is provided in the circumferential direction at the portion where the male screw 14 is formed.
【００１５】上部筒体１０の外周には、内径が胴部１１
における雄ネジ１４を形成していない部分よりもわずか
に大きく、かつ、内周面に上部筒体１０の雄ネジ１４に
螺合する雌ネジ２１を形成した図３に示すようなリング
状の雌ネジ部材２０を回転自在に装着してある。また、
この雌ネジ部材２０の外周には四つの円筒２２を放射方
向に突出せしめて取り付けてある。On the outer periphery of the upper cylindrical body 10, the inner diameter is the body portion 11.
Of the ring-shaped female as shown in FIG. 3 in which a female screw 21 is formed which is slightly larger than the portion in which the male screw 14 is not formed and which is screwed to the male screw 14 of the upper cylinder 10 on the inner peripheral surface. A screw member 20 is rotatably attached. Also,
Four cylinders 22 are attached to the outer periphery of the female screw member 20 so as to project in the radial direction.
【００１６】上部筒体１０は下部筒体（細径の筒体）３
０の上方に螺合して取り付けられている。この下部筒体
３０は外径が一定の胴部３１下端にフランジ状の当接部
３２を固着して構成され、上記胴部３１の外周には上端
から下端に向けて上記上部筒体１０の内周面に形成した
雌ネジ１３に螺合する雄ネジ３３が形成してある。な
お、当接部３２には施設面にボルト止め固定するための
鉛直方向に貫通する孔３４を設けてある。The upper cylinder 10 is a lower cylinder (thin cylinder) 3
It is attached by screwing above 0. The lower tubular body 30 is constructed by fixing a flange-shaped abutting portion 32 to the lower end of a body portion 31 having a constant outer diameter, and the outer periphery of the body portion 31 of the upper tubular body 10 from the upper end to the lower end. A male screw 33 that is screwed into the female screw 13 formed on the inner peripheral surface is formed. In addition, the contact portion 32 is provided with a hole 34 penetrating in the vertical direction for bolting and fixing to the facility surface.
【００１７】次に、上記構成からなる本実施例の使用法
を説明する。まず、上部筒体１０については胴部１１と
当接部１２とを別個に形成し、胴部１１の上端開口部分
に当接部１２を溶接固定する。次に、胴部１１の下端を
押し狭め、雌ネジ部材２０を当該胴部１１の上方まで移
動させて装着する。下部筒体３０についても上部筒体１
０と同様に胴部３１の下端にドーナツ状の当接部３２を
溶接固定する。Next, a method of using the present embodiment having the above structure will be described. First, with respect to the upper tubular body 10, the body portion 11 and the contact portion 12 are separately formed, and the contact portion 12 is welded and fixed to the upper end opening portion of the body portion 11. Next, the lower end of the body 11 is pressed and narrowed, and the female screw member 20 is moved to a position above the body 11 and mounted. The lower cylinder 30 is also the upper cylinder 1
Similarly to 0, the donut-shaped contact portion 32 is welded and fixed to the lower end of the body portion 31.
【００１８】上部筒体１０と下部筒体３０とを形成した
ら、下部筒体３０の上端上に上部筒体１０の下端を位置
合わせし、当該上部筒体１０の内周面に形成した雌ネジ
１３と下部筒体３０の外周面に形成した雄ネジ３３を螺
合せしめる。After the upper cylinder 10 and the lower cylinder 30 are formed, the lower end of the upper cylinder 10 is aligned with the upper end of the lower cylinder 30, and a female screw formed on the inner peripheral surface of the upper cylinder 10. 13 and the male screw 33 formed on the outer peripheral surface of the lower tubular body 30 are screwed together.
【００１９】上部筒体１０と下部筒体３０とを所定方向
に回転せしめることにより、両当接部１２，３２間の距
離が変化し、当該フロアジャッキを施設したい場所の高
さに合わせて所望の相対位置を決定する。By rotating the upper tubular body 10 and the lower tubular body 30 in a predetermined direction, the distance between the abutting portions 12 and 32 is changed, and the floor jack is desired according to the height of the place where the facility is desired. Determine the relative position of.
【００２０】次に、雌ネジ部材２０を上部筒体１０の雄
ネジ１４に接するところまで移動させ、当該雌ネジ部材
２０を所定方向に回転させて内周面の雌ネジ２１と上記
雄ネジ１４とを螺合せしめる。上部筒体１０は下方に向
かって肉厚となっているため、内径を固定されている雌
ネジ部材２０が雄ネジ１４と螺合して下方に移動してい
くと、上部筒体１０における下端の内径は徐々に狭まっ
ていく。Next, the female screw member 20 is moved to a position where it is brought into contact with the male screw 14 of the upper cylindrical body 10, and the female screw member 20 is rotated in a predetermined direction to form the female screw 21 on the inner peripheral surface and the male screw 14 described above. And screw together. Since the upper tubular body 10 is thicker toward the lower side, when the female screw member 20 whose inner diameter is fixed is screwed into the male screw 14 and moves downward, the lower end of the upper tubular body 10 is lowered. The inner diameter of is gradually decreasing.
【００２１】一方、上部筒体１０は内周面の雌ネジ１３
によって下部筒体３０における外周面の雄ネジ３３に螺
合しているため、上部筒体１０の内径が狭まるにつれて
下部筒体３０の外周を締め付ける。そして、図１に示す
ようなパイプ４０を雌ネジ部材２０の外周に固定された
円筒２２に差し込み、きつく回転することによって上部
筒体１０が下部筒体３０を締め付けて両者は堅固に固定
される。On the other hand, the upper cylinder 10 has a female screw 13 on the inner peripheral surface.
Since it is screwed into the male screw 33 on the outer peripheral surface of the lower tubular body 30, the outer periphery of the lower tubular body 30 is tightened as the inner diameter of the upper tubular body 10 is narrowed. Then, the pipe 40 as shown in FIG. 1 is inserted into the cylinder 22 fixed to the outer periphery of the female screw member 20, and the upper cylinder body 10 tightens the lower cylinder body 30 by tightly rotating the both, so that both are firmly fixed. ..
【００２２】なお、上述した実施例においては、上部筒
体の方が下部筒体よりも太径となっているが、逆であっ
てもよい。また、当接部については外周を円形としてい
るが、安定させるために所望の形状とすることができ
る。In the above embodiment, the diameter of the upper cylinder is larger than that of the lower cylinder, but they may be reversed. Further, although the outer periphery of the contact portion is circular, it can be formed in a desired shape for stability.
【００２３】雌ネジ部材については、外周に円筒を固定
しているが、強固に回転させるための他の突起とした
り、滑り止めのための凹凸を設けるなどの他の構成であ
ってもよい。The female screw member has a cylinder fixed to the outer periphery thereof, but may have another structure such as another protrusion for firmly rotating or providing unevenness for preventing slippage.
【図１】本発明の一実施例にかかるフロアジャッキの斜
視図である。FIG. 1 is a perspective view of a floor jack according to an embodiment of the present invention.
【図２】上部筒体の一部破断側面図である。FIG. 2 is a partially cutaway side view of an upper tubular body.
【図３】雌ネジ部材の一部破断側面図である。FIG. 3 is a partially cutaway side view of the female screw member.
【図４】下部筒体の一部破断側面図である。FIG. 4 is a partially cutaway side view of a lower cylindrical body.
１０…上部筒体 １２…当接部 １３…雌ネジ １４…雄ネジ ２０…雌ネジ部材 ２１…雌ネジ ３０…下部筒体 ３２…当接部 ３３…雄ネジ DESCRIPTION OF SYMBOLS 10 ... Upper cylinder 12 ... Contact part 13 ... Female screw 14 ... Male screw 20 ... Female screw member 21 ... Female screw 30 ... Lower cylinder 32 ... Contact part 33 ... Male screw
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中野 宏一 三重県四日市市住吉町15番２号 チヨダウ ーテ株式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Koichi Nakano 15-2 Sumiyoshi-cho, Yokkaichi-shi, Mie Chiyoda Ute Co., Ltd.
Claims (2)
の筒体を当該当接部を有しない側で太径の筒体内に細径
の筒体を所定長さだけ挿入して固定するフロアジャッキ
において、 上記太径の筒体を、 上記当接部を形成した当接端側と反対の開放端側に向か
うほど外方側に肉厚を厚くするとともに同開放端側から
当接端側に向けて複数の切り込みを形成し、かつ、その
外周面には当該切り込みの終端近辺から上記開放端側に
むけて雄ネジを形成して構成し、 さらに、この太径の筒体における外周面の雄ネジに螺合
し、開放端側に向かって螺合するほど当該筒体の内径を
減少せしめるリング状の雌ネジ部材を具備することを特
徴とするフロアジャッキ。1. A large-diameter cylinder having a wide contact portion at one end and a small-diameter cylinder inserted into the large-diameter cylinder on the side not having the contact portion by a predetermined length. In the floor jack to be fixed by fixing the above-mentioned large-diameter cylindrical body to the open end side opposite to the abutting end side where the abutting part is formed, the thickness is increased outward and from the open end side. A plurality of cuts are formed toward the contact end side, and a male screw is formed on the outer peripheral surface from the vicinity of the end of the cut toward the open end side. A floor jack comprising a ring-shaped female screw member that is screwed onto a male screw on the outer peripheral surface of the body and reduces the inner diameter of the tubular body as it is screwed toward the open end side.
おいて、上記細径の筒体を、開放端側より当接端側に向
けて外周面に雄ネジを形成した構成とし、上記太径の筒
体を、開放端側より当接端側に向けて内周面に上記細径
の筒体における外周面の雄ネジに螺合する雌ネジを形成
した構成としたことを特徴とするフロアジャッキ。2. The floor jack according to claim 1, wherein the cylindrical body having the small diameter has a configuration in which a male screw is formed on an outer peripheral surface from the open end side toward the contact end side, A floor jack, characterized in that the cylindrical body is formed with an internal thread from the open end side toward the abutting end side, and an internal thread is formed on the internal peripheral surface of the cylindrical body, the internal thread being screwed onto the external thread of the external surface of the cylindrical body. ..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2211592A JPH05187119A (en) | 1992-01-09 | 1992-01-09 | Floor jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2211592A JPH05187119A (en) | 1992-01-09 | 1992-01-09 | Floor jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05187119A true JPH05187119A (en) | 1993-07-27 |
Family
ID=12073890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2211592A Pending JPH05187119A (en) | 1992-01-09 | 1992-01-09 | Floor jack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05187119A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101032138B1 (en) * | 2010-08-06 | 2011-05-02 | 신성식 | Curb supporter and construction method using the same |
| KR101725382B1 (en) * | 2015-10-01 | 2017-04-11 | (주)제이원산업 | Floor frame vibration proof device |
-
1992
- 1992-01-09 JP JP2211592A patent/JPH05187119A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101032138B1 (en) * | 2010-08-06 | 2011-05-02 | 신성식 | Curb supporter and construction method using the same |
| KR101725382B1 (en) * | 2015-10-01 | 2017-04-11 | (주)제이원산업 | Floor frame vibration proof device |
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