JPH10132003A - Mounting structure of compression coil spring - Google Patents
Mounting structure of compression coil springInfo
- Publication number
- JPH10132003A JPH10132003A JP30408696A JP30408696A JPH10132003A JP H10132003 A JPH10132003 A JP H10132003A JP 30408696 A JP30408696 A JP 30408696A JP 30408696 A JP30408696 A JP 30408696A JP H10132003 A JPH10132003 A JP H10132003A
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- compression coil
- spring
- bent portion
- spring receiving
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 title claims abstract description 110
- 238000007906 compression Methods 0.000 title claims abstract description 110
- 238000004804 winding Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Handling Of Cut Paper (AREA)
- Springs (AREA)
Abstract
(57)【要約】
【課題】 相対向する２つの部材のそれぞれのバネ受け
部の間に圧縮コイルバネを簡単に取り付ける。
【解決手段】 圧縮コイルバネ３０の一端部に、半径方
向内側に向けて折曲げられた折曲げ部３１を形成し、２
つの部材のうちの一方の部材１０のバネ受け部１１に、
圧縮された状態の圧縮コイルバネの折曲げ部３１を仮止
めする係止部１２と、貫通穴１３を設け、この穴から治
具を用いて折曲げ部３１を把持してコイルバネを回動さ
せることにより仮止めを解除する。
(57) Abstract: A compression coil spring is easily attached between respective spring receiving portions of two opposing members. A bent portion (31) bent radially inward is formed at one end of a compression coil spring (30).
In the spring receiving portion 11 of one member 10 of the two members,
An engaging portion 12 for temporarily fixing the bent portion 31 of the compressed coil spring in a compressed state and a through hole 13 are provided, and the bent portion 31 is gripped from this hole using a jig to rotate the coil spring. To release the temporary fix.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は圧縮コイルバネの取
付構造、より詳しくは、相対向する２つの部材のそれぞ
れのバネ受け部の間に圧縮コイルバネを取り付けるため
の構造に関する。例えば、プリンタ等の給紙装置におけ
るホッパを付勢する圧縮コイルバネ（ホッパバネ）の取
付構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a compression coil spring, and more particularly, to a structure for mounting a compression coil spring between spring receiving portions of two opposing members. For example, the present invention relates to a mounting structure of a compression coil spring (hopper spring) for urging a hopper in a paper feeding device such as a printer.
【０００２】[0002]
【従来の技術】従来の圧縮コイルバネの取付構造の一例
を図５に示す。2. Description of the Related Art FIG. 5 shows an example of a conventional mounting structure for a compression coil spring.
【０００３】この構造は、プリンタ等の給紙装置におい
て採用されている構造である。[0003] This structure is employed in a paper feeding device such as a printer.
【０００４】図５において、符号１，２は相対向する２
つの部材であり、１は給紙装置のフレーム、２はホッパ
である。３は圧縮コイルバネであり、フレーム１のバネ
受け部１ａとホッパ２のバネ受け部２ａとの間に取り付
けられている。バネ受け部１ａ，２ａには、圧縮コイル
バネ３の内径よりも小さな外径を有する凸部１ｃ，２ｃ
が設けられている。圧縮コイルバネ３は、その両端がこ
れら凸部１ｃ，２ｃに緩く嵌まり合うようにして取り付
けられている。[0005] In FIG.
Reference numeral 1 denotes a frame of the sheet feeding device, and 2 denotes a hopper. Reference numeral 3 denotes a compression coil spring, which is attached between the spring receiving portion 1a of the frame 1 and the spring receiving portion 2a of the hopper 2. The protrusions 1c, 2c having an outer diameter smaller than the inner diameter of the compression coil spring 3 are formed on the spring receiving portions 1a, 2a.
Is provided. The compression coil spring 3 is attached so that both ends thereof are loosely fitted to the projections 1c and 2c.
【０００５】ホッパ２は軸２ｄでフレーム１に回動可能
に取り付けられており、その上面には図示しない用紙が
載置される。The hopper 2 is rotatably mounted on the frame 1 about a shaft 2d, and a sheet (not shown) is placed on its upper surface.
【０００６】４は給紙ローラであり、その軸４ａが、フ
レーム１の図示しない部分に回転可能に支持されてい
る。この給紙ローラ４に向けて圧縮コイルバネ３の圧縮
力でホッパ２上の用紙が圧接され、給紙ローラ４が回転
することによって用紙が給送されるようになっている。Reference numeral 4 denotes a paper feed roller, the shaft 4a of which is rotatably supported by a portion (not shown) of the frame 1. The paper on the hopper 2 is pressed against the paper feed roller 4 by the compression force of the compression coil spring 3, and the paper is fed by the rotation of the paper feed roller 4.
【０００７】[0007]
【発明が解決しようとする課題】上述した従来の取付構
造では、フレーム１にホッパ２および給紙ローラ４を取
り付けた後に圧縮コイルバネ３を組み込む場合、圧縮コ
イルバネ３を圧縮した状態で取付位置まで持って行き、
その両端を凸部１ｃ，２ｃに嵌めるようにして圧縮を解
除することにより取り付けていたが、この作業が極めて
困難であるという問題があった。In the conventional mounting structure described above, when the compression coil spring 3 is assembled after the hopper 2 and the paper feed roller 4 are mounted on the frame 1, the compression coil spring 3 is held in a compressed state to the mounting position. Go,
Attachment was performed by releasing the compression by fitting both ends to the projections 1c and 2c, but there was a problem that this operation was extremely difficult.
【０００８】本発明の目的は、以上のような問題を解決
し、相対向する２つの部材のそれぞれのバネ受け部の間
に圧縮コイルバネを簡単に取り付けることができる圧縮
コイルバネの取付構造を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems and to provide a compression coil spring mounting structure that can easily mount a compression coil spring between respective spring receiving portions of two opposing members. It is in.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
に請求項１記載の圧縮コイルバネの取付構造は、相対向
する２つの部材のそれぞれのバネ受け部の間に圧縮コイ
ルバネを取り付けるための構造であって、圧縮コイルバ
ネの少なくとも一端部には、この圧縮コイルバネの半径
方向内側に向けて折曲げられた折曲げ部が形成されてい
るとともに、前記２つの部材のうちの少なくとも一方の
部材のバネ受け部には、このバネ受け部に向けて圧縮さ
れた状態の圧縮コイルバネの前記折曲げ部を仮止めする
係止部と、このバネ受け部の背部側から前記係止部側に
向けて貫通した貫通穴が設けられていることを特徴とす
る。In order to achieve the above object, a compression coil spring mounting structure according to claim 1 is a structure for mounting a compression coil spring between respective spring receiving portions of two opposing members. Wherein at least one end of the compression coil spring is formed with a bent portion bent inward in the radial direction of the compression coil spring, and the spring of at least one of the two members is formed. The receiving portion has a locking portion for temporarily fixing the bent portion of the compression coil spring in a state compressed toward the spring receiving portion, and penetrates from the back of the spring receiving portion toward the locking portion. Characterized in that a through hole is provided.
【００１０】請求項２記載の圧縮コイルバネの取付構造
は、請求項１記載の圧縮コイルバネの取付構造におい
て、前記折曲げ部は、圧縮コイルバネの中空部を横切る
だけの長さに形成されているとともに、前記係止部は、
折曲げ部の両端部と係止する一対のフックで構成されて
おり、かつこの一対のフックの方向が、圧縮コイルバネ
の巻軸を中心として同一回転方向に向いていることを特
徴とする。According to a second aspect of the present invention, there is provided a compression coil spring mounting structure according to the first aspect, wherein the bent portion is formed to have a length only to cross the hollow portion of the compression coil spring. , The locking portion,
It comprises a pair of hooks which are engaged with both ends of the bent portion, and the directions of the pair of hooks are oriented in the same rotational direction about the winding axis of the compression coil spring.
【００１１】請求項３記載の圧縮コイルバネの取付構造
は、請求項１または２記載の圧縮コイルバネの取付構造
において、前記折曲げ部は、圧縮コイルバネの中空部を
完全に横切るだけの長さに形成されていることを特徴と
する。According to a third aspect of the present invention, in the mounting structure for a compression coil spring according to the first or second aspect, the bent portion is formed so as to have a length that completely crosses the hollow portion of the compression coil spring. It is characterized by having been done.
【００１２】[0012]
【作用効果】請求項１記載の圧縮コイルバネの取付構造
によれば、圧縮コイルバネの少なくとも一端部には、こ
の圧縮コイルバネの半径方向内側に向けて折曲げられた
折曲げ部が形成されているとともに、２つの部材のうち
の少なくとも一方の部材のバネ受け部には、このバネ受
け部に向けて圧縮された状態の圧縮コイルバネの前記折
曲げ部を仮止めする係止部が設けられているので、圧縮
コイルバネを圧縮した状態で折曲げ部を係止部に仮止め
することができる。According to the compression coil spring mounting structure of the first aspect, at least one end of the compression coil spring is formed with a bent portion bent radially inward of the compression coil spring. Since the spring receiving portion of at least one of the two members is provided with a locking portion for temporarily fixing the bent portion of the compression coil spring in a state compressed toward the spring receiving portion. The bent portion can be temporarily fixed to the locking portion in a state where the compression coil spring is compressed.
【００１３】そして、前記バネ受け部の背部側から前記
係止部側に向けて貫通した貫通穴が設けられているの
で、バネ受け部の背部側から貫通穴に治具等を挿通して
前記仮止めを解除することにより、圧縮コイルバネの前
記圧縮状態を解除し、相対向する２つの部材のそれぞれ
のバネ受け部の間に圧縮コイルバネを取り付けることが
できる。[0013] Since a through-hole penetrating from the back side of the spring receiving portion toward the locking portion side is provided, a jig or the like is inserted through the through hole from the back side of the spring receiving portion. By releasing the temporary fixing, the compression state of the compression coil spring is released, and the compression coil spring can be attached between the respective spring receiving portions of the two opposing members.
【００１４】すなわち、この請求項１記載の圧縮コイル
バネの取付構造によれば、予め圧縮コイルバネを一方の
部材のバネ受け部に仮止めしておき、２つの部材を組み
立てた後に仮止めを解除するだけでよいから、簡単に圧
縮コイルバネを取り付けることができる。That is, according to the first aspect of the present invention, the compression coil spring is temporarily fixed to the spring receiving portion of one of the members in advance, and the temporary fixing is released after the two members are assembled. Only the compression coil spring can be easily attached.
【００１５】しかも、貫通穴はバネ受け部の背部側から
前記係止部側に向けて貫通しており、治具等をバネ受け
部の背部側から挿通して前記仮止めを解除することがで
きるから、仮止めが解除されて瞬間的に伸長する圧縮コ
イルバネのその瞬間的伸長が治具等によって阻害されな
い。すなわち、瞬間的に伸長する圧縮コイルバネが治具
等に衝突してしまうということがない。Moreover, the through hole penetrates from the back side of the spring receiving portion toward the locking portion side, and the jig or the like can be inserted from the back side of the spring receiving portion to release the temporary fixing. Since it is possible, the temporary extension of the compression coil spring, which is released temporarily and is instantaneously extended, is not hindered by a jig or the like. That is, the compression coil spring that instantaneously expands does not collide with the jig or the like.
【００１６】したがって、圧縮コイルバネの仮止め解除
すなわち取付作業は円滑かつ簡単に行なうことができ
る。Therefore, the temporary release of the compression coil spring, that is, the mounting operation can be performed smoothly and easily.
【００１７】請求項２記載の圧縮コイルバネの取付構造
によれば、請求項１記載の圧縮コイルバネの取付構造に
おいて、前記折曲げ部が、圧縮コイルバネの中空部を横
切るだけの長さに形成されているとともに、前記係止部
は、前記折曲げ部の両端部と係止する一対のフックで構
成されているので、安定した仮止め状態が得られる。According to the second aspect of the present invention, in the first aspect, the bent portion is formed to have a length only to cross the hollow portion of the compression coil spring. In addition, since the locking portion is constituted by a pair of hooks which lock both ends of the bent portion, a stable temporary fixing state is obtained.
【００１８】しかも、一対のフックの方向が、圧縮コイ
ルバネの巻軸を中心として同一回転方向に向いているの
で、治具等を用いて圧縮コイルバネを前記回転方向に回
転させるだけで容易に仮止めを解除することができる。Furthermore, since the directions of the pair of hooks are oriented in the same rotational direction about the axis of the compression coil spring, the temporary fixing can be easily performed simply by rotating the compression coil spring in the rotational direction using a jig or the like. Can be canceled.
【００１９】請求項３記載の圧縮コイルバネの取付構造
によれば、請求項１または２記載の圧縮コイルバネの取
付構造において、前記折曲げ部が、圧縮コイルバネの中
空部を完全に横切るだけの長さに形成されているで、折
曲げ部が係止部に仮止めされた際、折曲げ部の先端は圧
縮コイルバネの巻線に当接することとなる。したがっ
て、折曲げ部は、バネ荷重に対して両端支持状態となる
ので、一層安定した仮止め状態が得られる。According to the third aspect of the present invention, in the first aspect of the present invention, the bent portion has a length that completely crosses the hollow portion of the compression coil spring. When the bent portion is temporarily fixed to the locking portion, the tip of the bent portion comes into contact with the winding of the compression coil spring. Therefore, since the bent portion is in a state of being supported at both ends against the spring load, a more stable temporary fixing state can be obtained.
【００２０】[0020]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００２１】図１は本発明に係る圧縮コイルバネの取付
構造の一実施の形態を採用した給紙装置の一例を示す図
で、（ａ）は断面図、（ｂ）は一方のバネ受け部の平面
図、（ｃ）は他方のバネ受け部の底面図である。FIGS. 1A and 1B show an example of a sheet feeder employing an embodiment of a compression coil spring mounting structure according to the present invention, wherein FIG. 1A is a sectional view, and FIG. FIG. 3C is a plan view, and FIG. 3C is a bottom view of the other spring receiving portion.
【００２２】図１において、符号１０，２０は相対向す
る２つの部材であり、１０は給紙装置のフレーム、２０
はホッパである。In FIG. 1, reference numerals 10 and 20 denote two members which are opposed to each other.
Is a hopper.
【００２３】３０は圧縮コイルバネであり、フレーム１
０のバネ受け部１１とホッパ２０のバネ受け部２１との
間に取り付けられている。Reference numeral 30 denotes a compression coil spring,
The hopper 20 is mounted between the spring receiving portion 11 of the hopper 20 and the spring receiving portion 21 of the hopper 20.
【００２４】ホッパ２０は軸２２でフレーム１０に回動
可能に取り付けられており、その上面には図示しない用
紙が載置される。The hopper 20 is rotatably attached to the frame 10 by a shaft 22, and a sheet (not shown) is placed on its upper surface.
【００２５】４０は給紙ローラであり、その軸４１が、
フレーム１０の図示しない部分に回転可能に支持されて
いる。この給紙ローラ４０に向けて圧縮コイルバネ３０
の圧縮力でホッパ２０上の用紙が圧接され、給紙ローラ
４０が回転することによって用紙が給送されるようにな
っている。Reference numeral 40 denotes a paper feed roller, the shaft 41 of which is
The frame 10 is rotatably supported by a part (not shown). The compression coil spring 30 is moved toward the paper feed roller 40.
The paper on the hopper 20 is pressed against by the compression force, and the paper is fed by rotating the paper feed roller 40.
【００２６】以下、圧縮コイルバネ３０の取付構造につ
いて詳しく説明する。Hereinafter, the mounting structure of the compression coil spring 30 will be described in detail.
【００２７】図２は圧縮コイルバネ３０の一例を示す図
で、（ａ）は平面図、（ｂ）は正面図である。FIGS. 2A and 2B show an example of the compression coil spring 30. FIG. 2A is a plan view and FIG. 2B is a front view.
【００２８】この図に示すように、圧縮コイルバネ３０
の一端部には、この圧縮コイルバネ３０の半径方向内側
に向けて折曲げられた折曲げ部３１が形成されている。
この折曲げ部３１は、圧縮コイルバネ３０の中空部３２
を横切るだけの長さに形成されている。As shown in FIG.
A bent portion 31 is formed at one end of the compression coil spring 30 so as to be bent radially inward of the compression coil spring 30.
The bent portion 31 is formed by the hollow portion 32 of the compression coil spring 30.
It is formed in a length just to cross.
【００２９】一方、図１（ａ）（ｂ）に示すように、フ
レーム１０のバネ受け部１１には、後述するように（図
３参照）、このバネ受け部１１に向けて圧縮された状態
の圧縮コイルバネ３０の前記折曲げ部３１を仮止めする
係止部１２と、このバネ受け部１１の背部側（図１
（ａ）では下面側）から係止部１２側（図１（ａ）では
上面側）に向けて貫通した貫通穴１３が設けられてい
る。また、バネ受け部１１には、圧縮コイルバネ３０の
内径よりも小さな外径を有する筒状部１４が設けられて
おり、この筒状部１４の外周部に、圧縮コイルバネ３０
の下端３４が緩く嵌まり合うようになっている。On the other hand, as shown in FIGS. 1A and 1B, the spring receiving portion 11 of the frame 10 is compressed toward the spring receiving portion 11 as described later (see FIG. 3). A locking portion 12 for temporarily fixing the bent portion 31 of the compression coil spring 30 and a back side of the spring receiving portion 11 (FIG. 1).
A through hole 13 penetrating from the lower surface side in (a) to the locking portion 12 side (upper surface side in FIG. 1A) is provided. The spring receiving portion 11 is provided with a tubular portion 14 having an outer diameter smaller than the inner diameter of the compression coil spring 30.
Are fitted loosely.
【００３０】係止部１２は、フック状に構成されてお
り、前記筒状部１４の内方において一対設けられている
（図１（ｂ）参照）。フックの方向は、図１（ｂ）から
明らかなように、圧縮コイルバネ３０の巻軸３３（図２
（ｂ）参照）を中心として同一回転方向に向いている。The locking portion 12 is formed in a hook shape, and a pair is provided inside the cylindrical portion 14 (see FIG. 1B). The direction of the hook is, as is apparent from FIG. 1B, the winding shaft 33 of the compression coil spring 30 (FIG.
(Refer to (b)).
【００３１】ホッパ２０のバネ受け部２１は、図１
（ａ）（ｃ）に示すように、圧縮コイルバネ３０の外径
よりも大きな内径を有する短筒状に形成されている。The spring receiving portion 21 of the hopper 20 is shown in FIG.
As shown in (a) and (c), the compression coil spring 30 is formed in a short cylindrical shape having an inner diameter larger than the outer diameter.
【００３２】以上のような構造によって圧縮コイルバネ
３０を取り付ける作業は、例えば次の通りである。The operation of attaching the compression coil spring 30 with the above structure is, for example, as follows.
【００３３】（ｉ）図３に示すように、フレーム１０の
バネ受け部１１の筒状部１４に、圧縮コイルバネ３０の
下端３４を緩く嵌め合わせ、折曲げ部３１の中央部３１
ａを治具等（例えば、先の細いペンチ等、あるいは指）
で把持し、圧縮コイルバネ３０を圧縮する。この際、折
曲げ部３１が係止部１２に当たらないように、折曲げ部
３１を例えば図３（ａ）の仮想線３１で示すような位置
にし、折曲げ部３１が筒状部１４の上端面１４ａに当接
するまで圧縮する。(I) As shown in FIG. 3, the lower end 34 of the compression coil spring 30 is loosely fitted to the cylindrical portion 14 of the spring receiving portion 11 of the frame 10, and the central portion 31 of the bent portion 31 is formed.
a is a jig or the like (for example, thin pliers or a finger)
To compress the compression coil spring 30. At this time, the bent portion 31 is set to a position as shown by a virtual line 31 in FIG. 3A, for example, so that the bent portion 31 does not hit the locking portion 12. It is compressed until it comes into contact with the upper end surface 14a.
【００３４】（ｉｉ）上記（ｉ）のように圧縮した状態
のまま、図３（ａ）において圧縮コイルバネ３０を時計
方向に回動させ、実線で示すように折曲げ部３１の両端
部３１ｂ，３１ｂを係止部１２，１２に仮止めする。圧
縮コイルバネ３０を回動させる際、折曲げ部３１が筒状
部１４の上端面１４ａで案内されるので、この作業は簡
単かつ円滑に行なうことができる。なお、係止部１２の
先端には仮止めを安定させるための凸部１２ａが設けら
れているが、この凸部１２ａの下端と筒状部１４の上端
面１４ａとの間には、折曲げ部３１が通るだけの隙間Ｓ
が形成されている。(Ii) In the state of compression as shown in (i) above, the compression coil spring 30 is rotated clockwise in FIG. 3 (a), and as shown by the solid line, both ends 31b, 31b is temporarily fixed to the locking portions 12, 12. When rotating the compression coil spring 30, the bent portion 31 is guided by the upper end surface 14a of the tubular portion 14, so that this operation can be performed easily and smoothly. A projection 12a for stabilizing the temporary fixing is provided at the tip of the locking portion 12, and a bent portion is provided between the lower end of the projection 12a and the upper end surface 14a of the cylindrical portion 14. The gap S that the part 31 only passes
Are formed.
【００３５】（ｉｉｉ）以上のようにして圧縮コイルバ
ネ３０が仮止めされたフレーム１０に対して、ホッパ２
０および給紙ローラ４０を取り付ける。(Iii) The hopper 2 is mounted on the frame 10 on which the compression coil spring 30 is temporarily fixed as described above.
0 and the paper feed roller 40 are attached.
【００３６】（ｉｖ）フレーム１０のバネ受け部１１の
背部側（図３（ｂ）において下面側）から貫通穴１３に
治具等を挿通し、仮止めされている折曲げ部３１の中央
部３１ａを治具等で把持し、時計方向（図３（ａ）では
反時計方向）に回動させる。これにより前記仮止めが解
除され、圧縮コイルバネ３０が伸びて図１（ａ）に示し
たようにフレーム１０のバネ受け部１１とホッパ２０の
バネ受け部２１との間に圧縮コイルバネ３０が取り付け
られた状態となる。(Iv) A jig or the like is inserted into the through hole 13 from the back side (the lower surface side in FIG. 3B) of the spring receiving portion 11 of the frame 10, and the central portion of the temporarily fixed bent portion 31 is inserted. 31a is gripped by a jig or the like and rotated clockwise (counterclockwise in FIG. 3A). As a result, the temporary fixation is released, and the compression coil spring 30 is extended, and the compression coil spring 30 is attached between the spring receiving portion 11 of the frame 10 and the spring receiving portion 21 of the hopper 20 as shown in FIG. State.
【００３７】以上のような圧縮コイルバネの取付構造に
よれば、次のような作用効果が得られる。According to the above-described mounting structure of the compression coil spring, the following operation and effect can be obtained.
【００３８】（ａ）圧縮コイルバネ３０の一端部には、
この圧縮コイルバネ３０の半径方向内側に向けて折曲げ
られた折曲げ部３１が形成されているとともに、２つの
部材１０，２０のうちの少なくとも一方の部材のバネ受
け部１１には、このバネ受け部１１に向けて圧縮された
状態の圧縮コイルバネ３０の折曲げ部３１を仮止めする
係止部１２が設けられているので、圧縮コイルバネ３０
を圧縮した状態で折曲げ部３１を係止部１２に仮止めす
ることができる。(A) At one end of the compression coil spring 30,
A bent portion 31 bent radially inward of the compression coil spring 30 is formed, and the spring receiving portion 11 of at least one of the two members 10 and 20 is provided with the spring receiving portion 11. Since the locking portion 12 for temporarily fixing the bent portion 31 of the compression coil spring 30 compressed to the portion 11 is provided, the compression coil spring 30
The bent portion 31 can be temporarily fixed to the locking portion 12 in a state in which is compressed.
【００３９】そして、前記バネ受け部１１の背部側から
前記係止部１２側に向けて貫通した貫通穴１３が設けら
れているので、バネ受け部１１の背部側から貫通穴１３
に治具等を挿通して前記仮止めを解除することにより、
圧縮コイルバネ３０の前記圧縮状態を解除し、相対向す
る２つの部材１０，２０のそれぞれのバネ受け部１１，
２１の間に圧縮コイルバネ３０を取り付けることができ
る。Since the through hole 13 penetrating from the back side of the spring receiving portion 11 toward the locking portion 12 is provided, the through hole 13 extends from the back side of the spring receiving portion 11.
By releasing the temporary fixing by inserting a jig etc. into
The compressed state of the compression coil spring 30 is released, and the spring receiving portions 11 and
The compression coil spring 30 can be attached between the two.
【００４０】すなわち、この実施の形態の圧縮コイルバ
ネの取付構造によれば、予め圧縮コイルバネ３０を一方
の部材１０のバネ受け部１１に仮止めしておき、２つの
部材１０，２０を組み立てた後に仮止めを解除するだけ
でよいから、簡単に圧縮コイルバネを取り付けることが
できる。That is, according to the compression coil spring mounting structure of this embodiment, the compression coil spring 30 is temporarily fixed to the spring receiving portion 11 of one of the members 10 in advance, and after the two members 10 and 20 are assembled. Since it is only necessary to release the temporary fixing, the compression coil spring can be easily attached.
【００４１】しかも、貫通穴１３はバネ受け部１１の背
部側から係止部１２側に向けて貫通しており、治具等を
バネ受け部１１の背部側から挿通して仮止めを解除する
ことができるから、仮止めが解除されて瞬間的に伸長す
る圧縮コイルバネ３０のその瞬間的伸長が治具等によっ
て阻害されない。すなわち、瞬間的に伸長する圧縮コイ
ルバネ３０が治具等に衝突してしまうということがな
い。Moreover, the through hole 13 penetrates from the back side of the spring receiving portion 11 toward the locking portion 12, and a jig or the like is inserted from the back side of the spring receiving portion 11 to release the temporary fixing. Therefore, the instantaneous extension of the compression coil spring 30, which is released temporarily and is instantaneously extended, is not hindered by a jig or the like. That is, the compression coil spring 30 that instantaneously expands does not collide with a jig or the like.
【００４２】したがって、圧縮コイルバネ３０の仮止め
解除すなわち取付作業は円滑かつ簡単に行なうことがで
きる。Accordingly, the temporary release of the compression coil spring 30, that is, the mounting operation can be performed smoothly and easily.
【００４３】（ｂ）折曲げ部３１が、圧縮コイルバネ３
０の中空部３２を横切るだけの長さに形成されていると
ともに、係止部１２は、折曲げ部３１の両端部３１ｂ，
３１ｂと係止する一対のフックで構成されているので、
安定した仮止め状態が得られる。(B) The bent portion 31 is made of the compression coil spring 3
0, and is formed to have a length only to cross the hollow portion 32 of the bent portion 31.
Because it is composed of a pair of hooks that lock with 31b,
A stable temporary fixing state is obtained.
【００４４】しかも、一対のフックの方向が、圧縮コイ
ルバネ３０の巻軸を中心として同一回転方向に向いてい
るので、治具等を用いて圧縮コイルバネ３０前記回転方
向に回転させるだけで容易に仮止めを解除することがで
きる。Further, since the directions of the pair of hooks are oriented in the same rotational direction about the winding axis of the compression coil spring 30, the temporary rotation can be easily performed simply by rotating the compression coil spring 30 in the rotation direction using a jig or the like. The suspension can be released.
【００４５】以上、本発明の一実施の形態について説明
したが、本発明は上記の実施の形態に限定されるもので
はなく、本発明の要旨の範囲内において適宜変形実施可
能である。As described above, one embodiment of the present invention has been described. However, the present invention is not limited to the above-described embodiment, and can be appropriately modified within the scope of the present invention.
【００４６】例えば、 （１）相対向する２つの部材のそれぞれのバネ受け部
に、このバネ受け部に向けて圧縮された状態の圧縮コイ
ルバネの折曲げ部を仮止めする係止部と、このバネ受け
部の背部側から係止部側に向けて貫通した貫通穴とを設
けてもよい。For example, (1) a locking portion for temporarily fixing a bent portion of a compression coil spring compressed toward the spring receiving portion to each of the spring receiving portions of two opposing members; A through hole penetrating from the back side of the spring receiving portion toward the locking portion may be provided.
【００４７】（２）折曲げ部は圧縮コイルバネ３０の両
端に形成しても良い。このようにすると、圧縮コイルバ
ネ３０の上下を考えなくて済むので、より一層取付作業
が容易になる。この場合、バネ受け部１１の筒状部１４
は、圧縮コイルバネ３０の外径よりも大きな内径を有す
る構成にする。(2) The bent portions may be formed at both ends of the compression coil spring 30. With this configuration, it is not necessary to consider the up and down of the compression coil spring 30, so that the mounting operation is further facilitated. In this case, the cylindrical portion 14 of the spring receiving portion 11
Is configured to have an inner diameter larger than the outer diameter of the compression coil spring 30.
【００４８】（３）図４に示すように折曲げ部３１’
は、圧縮コイルバネ３０’の中空部３２を完全に横切る
だけの長さに形成してもよい。このように構成すると、
折曲げ部３１’が係止部１２に仮止めされた際、折曲げ
部３１’の先端３１ｃは圧縮コイルバネ３０’の巻線３
５に当接することとなる。したがって、折曲げ部３１’
は、バネ荷重に対して巻線３５による両端支持状態とな
るので、一層安定した仮止め状態が得られる。(3) As shown in FIG. 4, the bent portion 31 '
May be formed to have a length just enough to completely cross the hollow portion 32 of the compression coil spring 30 '. With this configuration,
When the bent part 31 ′ is temporarily fixed to the locking part 12, the tip 31 c of the bent part 31 ′ is connected to the winding 3 of the compression coil spring 30 ′.
5 will be in contact. Therefore, the bent portion 31 '
Is in a state in which both ends are supported by the windings 35 against the spring load, so that a more stable temporary fixing state can be obtained.
【００４９】（４）ホッパ２０のバネ受け部２１の形状
は、圧縮コイルバネ３０を確実に受けることができる形
状であれば任意である。例えば、圧縮コイルバネの内径
よりも小さな外径を有する凸部とすることもできる。(4) The shape of the spring receiving portion 21 of the hopper 20 is arbitrary as long as it can reliably receive the compression coil spring 30. For example, a convex portion having an outer diameter smaller than the inner diameter of the compression coil spring may be used.
【００５０】[0050]
【発明の効果】請求項１〜３記載のいずれの圧縮コイル
バネの取付構造によっても、予め圧縮コイルバネを一方
の部材のバネ受け部に仮止めしておき、２つの部材を組
み立てた後に仮止めを解除するだけでよいから、簡単に
圧縮コイルバネを取り付けることができる。According to any one of the first to third compression coil spring mounting structures, the compression coil spring is temporarily fixed to the spring receiving portion of one of the members in advance, and the two members are assembled and then temporarily fixed. Since it is only necessary to release the compression coil spring, the compression coil spring can be easily attached.
【００５１】さらに、請求項２記載の圧縮コイルバネの
取付構造によれば、安定した仮止め状態が得られ、しか
も、容易に仮止めを解除することができる。Further, according to the compression coil spring mounting structure of the second aspect, a stable temporary fixing state can be obtained, and the temporary fixing can be easily released.
【００５２】請求項３記載の圧縮コイルバネの取付構造
によれば、一層安定した仮止め状態が得られる。According to the third aspect of the present invention, a more stable temporary fixing state can be obtained.
【００５３】[0053]
【図１】本発明に係る圧縮コイルバネの取付構造の一実
施の形態を採用した給紙装置の一例を示す図で、（ａ）
は断面図、（ｂ）は一方のバネ受け部の平面図、（ｃ）
は他方のバネ受け部の底面図。FIG. 1 is a diagram showing an example of a sheet feeding device adopting an embodiment of a mounting structure of a compression coil spring according to the present invention, and (a).
Is a sectional view, (b) is a plan view of one spring receiving portion, (c)
Is a bottom view of the other spring receiving portion.
【図２】圧縮コイルバネ３０の一例を示す図で、（ａ）
は平面図、（ｂ）は正面図。FIG. 2 is a view showing an example of a compression coil spring 30; FIG.
Is a plan view, and (b) is a front view.
【図３】仮止め状態を示す図で、（ａ）は平面図、
（ｂ）は断面図。FIG. 3 is a view showing a temporarily fixed state, in which (a) is a plan view,
(B) is sectional drawing.
【図４】圧縮コイルバネの変形例を示す図で、（ａ）は
平面図、（ｂ）は正面図。4A and 4B are diagrams showing a modification of the compression coil spring, wherein FIG. 4A is a plan view and FIG. 4B is a front view.
【図５】従来技術の説明図。FIG. 5 is an explanatory diagram of a conventional technique.
１０ フレーム（一方の部材） １１ バネ受け部 １２ 係止部 １３ 貫通穴 ２０ ホッパ（他方の部材） ２１ バネ受け部 ３０ 圧縮コイルバネ ３１ 折曲げ部 ３２ 中空部 ３３ 巻軸 DESCRIPTION OF SYMBOLS 10 Frame (one member) 11 Spring receiving part 12 Locking part 13 Through hole 20 Hopper (other member) 21 Spring receiving part 30 Compression coil spring 31 Bending part 32 Hollow part 33 Winding axis
Claims (3)
受け部の間に圧縮コイルバネを取り付けるための構造で
あって、 圧縮コイルバネの少なくとも一端部には、この圧縮コイ
ルバネの半径方向内側に向けて折曲げられた折曲げ部が
形成されているとともに、 前記２つの部材のうちの少なくとも一方の部材のバネ受
け部には、このバネ受け部に向けて圧縮された状態の圧
縮コイルバネの前記折曲げ部を仮止めする係止部と、こ
のバネ受け部の背部側から前記係止部側に向けて貫通し
た貫通穴が設けられていることを特徴とする圧縮コイル
バネの取付構造。1. A structure for mounting a compression coil spring between respective spring receiving portions of two opposing members, wherein at least one end of the compression coil spring faces radially inward of the compression coil spring. A bent portion is formed, and a spring receiving portion of at least one of the two members is provided with the bent portion of the compression coil spring compressed toward the spring receiving portion. A mounting structure for a compression coil spring, comprising: a locking portion for temporarily fixing the portion; and a through hole penetrating from a back side of the spring receiving portion toward the locking portion.
部を横切るだけの長さに形成されているとともに、前記
係止部は、折曲げ部の両端部と係止する一対のフックで
構成されており、かつこの一対のフックの方向が、圧縮
コイルバネの巻軸を中心として同一回転方向に向いてい
ることを特徴とする請求項１記載の圧縮コイルバネの取
付構造。2. The bent portion is formed to have a length just across the hollow portion of the compression coil spring, and the locking portion is constituted by a pair of hooks which lock both ends of the bent portion. The mounting structure for a compression coil spring according to claim 1, wherein the directions of the pair of hooks are oriented in the same rotation direction about the winding axis of the compression coil spring.
部を完全に横切るだけの長さに形成されていることを特
徴とする請求項１または２記載の圧縮コイルバネの取付
構造。3. The mounting structure for a compression coil spring according to claim 1, wherein the bent portion is formed to have a length that completely crosses a hollow portion of the compression coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30408696A JP3588789B2 (en) | 1996-10-30 | 1996-10-30 | Mounting structure of compression coil spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30408696A JP3588789B2 (en) | 1996-10-30 | 1996-10-30 | Mounting structure of compression coil spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10132003A true JPH10132003A (en) | 1998-05-22 |
| JP3588789B2 JP3588789B2 (en) | 2004-11-17 |
Family
ID=17928863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30408696A Expired - Fee Related JP3588789B2 (en) | 1996-10-30 | 1996-10-30 | Mounting structure of compression coil spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3588789B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011106528A (en) * | 2009-11-13 | 2011-06-02 | Tlv Co Ltd | Check valve |
| JP2011121494A (en) * | 2009-12-11 | 2011-06-23 | Murakami Corp | Structure for mounting coil spring and shaft of manually retractable vehicular door mirror |
-
1996
- 1996-10-30 JP JP30408696A patent/JP3588789B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011106528A (en) * | 2009-11-13 | 2011-06-02 | Tlv Co Ltd | Check valve |
| JP2011121494A (en) * | 2009-12-11 | 2011-06-23 | Murakami Corp | Structure for mounting coil spring and shaft of manually retractable vehicular door mirror |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3588789B2 (en) | 2004-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2010090906A (en) | Clip | |
| JPH10132003A (en) | Mounting structure of compression coil spring | |
| JP3638494B2 (en) | Belt clip for portable electronic devices | |
| JP2516029Y2 (en) | Fixed guide | |
| JPH0517456Y2 (en) | ||
| JP2895897B2 (en) | Spinning reel | |
| JP2698024B2 (en) | Spiral spring mounting structure | |
| JP3009446U (en) | Cable car | |
| JPS6427379U (en) | ||
| JPS6327156Y2 (en) | ||
| JPH0626696Y2 (en) | Key cylinder lock mounting structure | |
| JPS6035726Y2 (en) | hinge | |
| JP2592395Y2 (en) | Futon sandwich | |
| JP2571275Y2 (en) | Hook support structure for extension coil spring | |
| JP3483921B2 (en) | Container lashing device | |
| JPH0681870A (en) | Tension spring | |
| JP3562048B2 (en) | Helical antenna | |
| JPS6326268Y2 (en) | ||
| JPS5824543Y2 (en) | Speaker mounting device | |
| JP3019323U (en) | Hanging bracket | |
| JPH06221354A (en) | Spring disposing device | |
| JPH0135933Y2 (en) | ||
| JPH10229787A (en) | Rotating guide for fishing rod and fishing rod provided with the same | |
| JP2000315870A (en) | Mounting bracket for electrical equipment storage box | |
| JP3459309B2 (en) | Clamp for wire harness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20040726 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20040808 |
|
| R150 | Certificate of patent (=grant) or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070827 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080827 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080827 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 5 Free format text: PAYMENT UNTIL: 20090827 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090827 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100827 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110827 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120827 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 9 Free format text: PAYMENT UNTIL: 20130827 |
|
| LAPS | Cancellation because of no payment of annual fees |