JP2003138793A - Looseness preventive device of handle shaft - Google Patents
Looseness preventive device of handle shaftInfo
- Publication number
- JP2003138793A JP2003138793A JP2001335310A JP2001335310A JP2003138793A JP 2003138793 A JP2003138793 A JP 2003138793A JP 2001335310 A JP2001335310 A JP 2001335310A JP 2001335310 A JP2001335310 A JP 2001335310A JP 2003138793 A JP2003138793 A JP 2003138793A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- handle shaft
- hole
- handle
- mounting
- 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
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ドアに取付けた錠
の錠杆作動部材の軸取付用孔、ハンドルの軸取付用孔に
挿入して取付けたハンドル軸のがたつきを防止するハン
ドル軸のがたつき防止装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle shaft for preventing rattling of a handle shaft inserted into a shaft mounting hole of a lock rod operating member of a lock mounted on a door and a shaft mounting hole of a handle. The present invention relates to a rattling prevention device.
【０００２】[0002]
【従来の技術】ハンドル軸は錠の錠杆作動部材の軸取付
用孔、ハンドルの軸取付用孔に挿入して取付けられ、そ
のハンドルでハンドル軸を回転することで錠杆作動部材
が回転し、錠杆が出入りして施錠・解錠される。前述の
ハンドル軸は軸取付用孔内でがたつくことがあり、その
がたつきを防止する装置が種々提案されている。例え
ば、特開平８−１３８５９号公報に示すがたつき防止装
置が提案されている。この装置は、ハンドル軸に板ばね
を取付け、その板ばねを軸取付用孔の内面に押しつけて
ハンドル軸が軸取付用孔に対してがたつくことがないよ
うにしている。2. Description of the Related Art A handle shaft is inserted into a shaft mounting hole of a lock lever operating member of a lock and a shaft mounting hole of a handle to be mounted, and the handle shaft is rotated by the handle to rotate the lock rod operating member. , The lock rod goes in and out to be locked / unlocked. The handle shaft may rattle in the shaft mounting hole, and various devices have been proposed to prevent the rattling. For example, a rattling prevention device disclosed in Japanese Patent Laid-Open No. 8-13859 has been proposed. In this device, a leaf spring is attached to the handle shaft, and the leaf spring is pressed against the inner surface of the shaft mounting hole to prevent the handle shaft from rattling with respect to the shaft mounting hole.
【０００３】また、特開２０００−１２０３０６号公報
に示すがたつき防止装置が提案されている。この装置は
ハンドル軸に溝を形成し、この溝に弾性部材を取付け、
そのハンドル軸を軸取付用孔に挿入することで、弾性部
材が軸取付用孔の一つの内面を押圧し、その反発力でハ
ンドル軸を軸取付用孔の他の内面に押しつけることでハ
ンドル軸が軸取付用孔に対してがたつくことがないよう
にしている。A rattling prevention device disclosed in Japanese Patent Laid-Open No. 2000-120306 has been proposed. This device forms a groove on the handle shaft and attaches an elastic member to this groove,
By inserting the handle shaft into the shaft mounting hole, the elastic member presses one inner surface of the shaft mounting hole, and the repulsive force presses the handle shaft to the other inner surface of the shaft mounting hole. Does not rattle against the shaft mounting hole.
【０００４】[0004]
【発明が解決しようとする課題】前者のハンドル軸のが
たつき防止装置は、板ばねの山形部が軸取付用孔の内面
に接してがたつきを防止しているので、ハンドル軸の回
転操作力で板ばねが変位し易く、回転操作力に対して不
安定で、しかも、板ばねは早期にへたるからハンドル軸
の軸取付用孔に対するがたつきを長期間に亘って確実に
防止できない。また、板ばねをハンドル軸にビス、ね
じ、溶接などで固定する作業が必要であるから、製作コ
ストが高い。In the former device for preventing rattling of the handle shaft, since the chevron portion of the leaf spring is in contact with the inner surface of the shaft mounting hole to prevent rattling, the handle shaft is prevented from rotating. The leaf spring is easily displaced by the operating force and is unstable with respect to the rotational operation force. Moreover, since the leaf spring sags early, it is possible to reliably prevent rattling of the handle shaft shaft mounting hole for a long period of time. Can not. Further, since it is necessary to fix the leaf spring to the handle shaft with screws, screws, welding, etc., the manufacturing cost is high.
【０００５】後者のハンドル軸のがたつき防止装置は、
ウレタン又はゴムより作られた弾性部材を用い、ハンド
ル軸を軸取付用孔に挿入する時に弾性部材を大きく圧縮
変形させ、その反発力を利用してがたつきを防止してい
るので、ハンドル軸の回転操作力で弾性部材が変形し易
く、不安定である。よって、前者の装置と同様にハンド
ル軸の軸取付用孔に対するがたつきを確実に防止できな
い。また、ハンドル軸の軸方向に連続した溝に弾性部材
が取付けてあるので、ハンドル軸を軸取付用孔に挿入す
る際に弾性部材が軸方向に動くことがあり、ハンドル軸
を軸取付用孔に挿入する作業がやりずらい。The latter device for preventing rattling of the handle shaft is
An elastic member made of urethane or rubber is used. When the handle shaft is inserted into the shaft mounting hole, the elastic member is largely compressed and deformed, and the repulsive force is used to prevent rattling. The elastic member is easily deformed by the rotational operation force of, and is unstable. Therefore, as with the former device, it is not possible to reliably prevent rattling of the handle shaft with respect to the shaft mounting hole. Also, since the elastic member is attached to the groove that is continuous in the axial direction of the handle shaft, the elastic member may move in the axial direction when the handle shaft is inserted into the shaft mounting hole. It's difficult to insert into.
【０００６】本発明は前述の課題を解決するためになさ
れたもので、次のことを満足したハンドル軸のがたつき
防止装置を提供することを目的とする。第１は、ハンド
ル軸の軸取付用孔に対するがたつきを長期間に亘って確
実に防止できること。第２は、製作コストが安いこと。
第３は、ハンドル軸を軸取付用孔に挿入する作業がやり
易いこと。The present invention has been made to solve the above problems, and an object of the present invention is to provide a rattling prevention device for a handle shaft that satisfies the following requirements. First, it is possible to reliably prevent rattling of the handle shaft with respect to the shaft mounting hole for a long period of time. Secondly, the production cost is low.
Third, it is easy to insert the handle shaft into the shaft mounting hole.
【０００７】[0007]
【課題を解決するための手段】第１の発明は、軸取付用
孔８，１３に挿入したハンドル軸４が軸取付用孔８，１
３に対してがたつくことを防止するハンドル軸のがたつ
き防止装置であって、前記ハンドル軸４に取付部３０が
形成され、硬質樹脂より成るガタ防止部材４０が取付部
３０に軸方向に動くことなく、嵌合して取付けられ、前
記ガタ防止部材４０がハンドル軸４の面から突出し、前
記ガタ防止部材４０が軸取付用孔８，１３の内面に圧接
していることを特徴とするハンドル軸のがたつき防止装
置である。According to a first aspect of the present invention, the handle shaft 4 inserted into the shaft mounting holes 8 and 13 has a shaft mounting hole 8 or 1.
A rattling prevention device for a handle shaft for preventing rattling with respect to 3, wherein a mounting portion 30 is formed on the handle shaft 4, and a rattling prevention member 40 made of hard resin moves axially in the mounting portion 30. The handle is characterized in that the rattling prevention member 40 projects from the surface of the handle shaft 4, and the rattling prevention member 40 is in pressure contact with the inner surfaces of the shaft mounting holes 8 and 13 without being fitted. This is a device for preventing the rattling of the shaft.
【０００８】第２の発明は、第１の発明において、ハン
ドル軸４に、その対向した２つの面に開口した孔を形成
して取付部３０とし、ガタ防止部材４０を、前記孔に嵌
合し、かつ前記ハンドル軸４の対向した２つの面間の寸
法よりも長い軸形状としたハンドル軸のがたつき防止装
置である。According to a second aspect of the present invention, in the first aspect of the present invention, the handle shaft 4 is formed with a hole opened on two opposing surfaces thereof as a mounting portion 30, and a backlash preventing member 40 is fitted into the hole. In addition, the handle shaft rattling prevention device has an axial shape that is longer than the dimension between the two facing surfaces of the handle shaft 4.
【０００９】第３の発明は、第１の発明において、ハン
ドル軸４に、その対向した２つの角部に開口した孔を形
成して取付部３０とし、ガタ防止部材４０を、前記孔に
嵌合し、かつ一方の端面が一方の角部を形成する隣接し
た２つの面から突出し、他方の端面が他方の角部を形成
する隣接した２つの面から突出する軸形状としたハンド
ル軸のがたつき防止装置である。According to a third aspect of the present invention, in the first aspect of the present invention, holes are formed in the handle shaft 4 at two corners facing each other to form a mounting portion 30, and a backlash preventing member 40 is fitted into the hole. Of the handle shafts having a shaft shape in which one end surface projects from two adjacent surfaces forming one corner and the other end surface projects from two adjacent surfaces forming the other corner. It is a rattling prevention device.
【００１０】第４の発明は、第１の発明において、ハン
ドル軸４に、大径孔３１と小径孔３２で段差部３３を有
する段付き形状の孔を、相対向した第１面２０と第２面
２１に開口して形成することで取付部３０とし、ガタ防
止部材４０を、前記大径孔３１に嵌まり合う大径部４１
と前記小径孔３２に嵌まり合う小径部４２で段差部４３
を有する段付きの軸形状とし、前記ガタ防止部材４０の
全長が前記ハンドル軸４の第１面２０と第２面２１との
間の寸法より大きく、そのガタ防止部材４０の段差部４
３が取付部３０の段差部３３に接した状態で大径部４１
の端面４１ａが第１面２０から突出し、かつ小径部４２
の端面４２ｃが第２面２１から突出するようにしたハン
ドル軸のがたつき防止装置である。According to a fourth aspect of the present invention, in the first aspect of the present invention, a stepped hole having a step portion 33 with a large diameter hole 31 and a small diameter hole 32 is formed in the handle shaft 4 and a first surface 20 facing each other. The large-diameter portion 41 that fits into the large-diameter hole 31 is formed by opening the second surface 21 to form the mounting portion 30.
And the step portion 43 in the small diameter portion 42 that fits in the small diameter hole 32.
And the step length 4 of the rattling prevention member 40 is larger than the dimension between the first surface 20 and the second surface 21 of the handle shaft 4.
3 is in contact with the stepped portion 33 of the mounting portion 30, the large diameter portion 41
End surface 41a of the small-diameter portion 42 protrudes from the first surface 20.
Is an apparatus for preventing rattling of the handle shaft such that the end surface 42c of the handle protrudes from the second surface 21.
【００１１】第５の発明は、第４の発明において、大径
部４１、小径部４２は挿入ガイド用のガイド面を有し、
前記ガイド面を有する部分の長さが大径部４１、小径部
４２の第１面２０、第２面２１からの突出寸法よりも長
いハンドル軸のがたつき防止装置である。In a fifth aspect based on the fourth aspect, the large diameter portion 41 and the small diameter portion 42 have guide surfaces for insertion guides,
This is a device for preventing rattling of the handle shaft in which the length of the portion having the guide surface is longer than the projecting dimension of the large diameter portion 41 and the small diameter portion 42 from the first surface 20 and the second surface 21.
【００１２】[0012]
【作 用】第１の発明によれば、ハンドル軸４の取付部
３０に取付けたガタ防止部材４０が軸取付用孔８，１３
の内面に圧接しているので、ハンドル軸４の軸取付用孔
８，１３に対するがたつきを防止できる。また、ガタ防
止部材４０は硬質樹脂であるから、ハンドル軸４に連結
したハンドル操作力でガタ防止部材４０が変位し難い。
しかも、ガタ防止部材４０は耐久性に優れ早期に劣化し
ない。これらが相俟って、ハンドル軸４の軸取付用孔
８，１３に対するがたつきを長期間に亘って確実に防止
できる。[Operation] According to the first invention, the play preventing member 40 attached to the attaching portion 30 of the handle shaft 4 has the shaft attaching holes 8 and 13 attached thereto.
Since it is pressed against the inner surface of the shaft, rattling of the handle shaft 4 with respect to the shaft mounting holes 8 and 13 can be prevented. Further, since the backlash preventing member 40 is made of hard resin, it is difficult for the backlash preventing member 40 to be displaced by the handle operating force connected to the handle shaft 4.
Moreover, the backlash preventing member 40 is excellent in durability and does not deteriorate early. Together, these can surely prevent rattling of the handle shaft 4 with respect to the shaft mounting holes 8 and 13 for a long period of time.
【００１３】また、ガタ防止部材４０は硬質樹脂で、ハ
ンドル軸４の取付部３０に軸方向に動かないように嵌合
して取付けてあるので、ハンドル軸４を軸取付用孔８，
１３に挿入する際にガタ防止部材４０が軸方向に動くこ
とがない。よって、ハンドル軸４を軸取付用孔８，１３
に容易に挿入して取付けできる。また、ガタ防止部材４
０を固着するための手段、例えばねじ、ピン、溶接など
が不要で、製作コストが安い。Further, since the backlash preventing member 40 is made of a hard resin and is fitted to the mounting portion 30 of the handle shaft 4 so as not to move in the axial direction, the handle shaft 4 is attached to the shaft mounting hole 8,
The rattling prevention member 40 does not move in the axial direction when it is inserted into 13. Therefore, the handle shaft 4 is attached to the shaft mounting holes 8 and 13
Can be easily inserted and installed in. In addition, the backlash prevention member 4
No means for fixing 0, such as screws, pins, welding, etc., is required, and the manufacturing cost is low.
【００１４】第２の発明によれば、ハンドル軸４の孔に
ガタ防止部材４０を嵌合することで取付けでき、その取
付けが容易である。軸形状のガタ防止部材４０がハンド
ル軸４の対向した２つの面から突出するので、軸取付用
孔８，１３の対向した２つの面にそれぞれ圧接する。よ
って、ハンドル軸４の軸取付用孔８，１３に対するがた
つきを一層確実に防止できる。According to the second aspect of the invention, the rattling prevention member 40 can be mounted by fitting it into the hole of the handle shaft 4, and the mounting is easy. Since the shaft-shaped backlash preventing member 40 projects from the two facing surfaces of the handle shaft 4, it comes into pressure contact with the two facing surfaces of the shaft mounting holes 8 and 13, respectively. Therefore, rattling of the handle shaft 4 with respect to the shaft mounting holes 8 and 13 can be more reliably prevented.
【００１５】第３の発明によれば、ハンドル軸４の孔に
ガタ防止部材４０を嵌合することで取付けでき、その取
付けが容易である。軸形状のガタ防止部材４０の一方の
端面及び他方の端面が、軸取付用孔８，１３の隣接した
２つの内面にそれぞれ圧接する。よって、ハンドル軸４
の軸取付用孔８，１３に対するがたつきをより一層確実
に防止できる。According to the third aspect of the invention, the rattling prevention member 40 can be mounted by fitting it into the hole of the handle shaft 4, and the mounting is easy. One end surface and the other end surface of the shaft-shaped backlash preventing member 40 are pressed against two adjacent inner surfaces of the shaft mounting holes 8 and 13, respectively. Therefore, the handle shaft 4
The rattling of the shaft mounting holes 8 and 13 can be prevented more reliably.
【００１６】第４の発明によれば、ガタ防止部材４０の
段差部４３を取付部３０の段差部３３に接することで、
大径部４１の端面４１ａがハンドル軸４の第１面２０か
ら突出すると共に、小径部４２の端面４２ｃがハンドル
軸４の第２面２１から突出する。よって、ガタ防止部材
４０をハンドル軸４の取付部３０に、その段差部４３が
段差部３３に接するまで嵌合することで正しく取付けで
き、そのガタ防止部材４０のハンドル軸４への取付けが
容易である。According to the fourth invention, the step portion 43 of the backlash preventing member 40 is brought into contact with the step portion 33 of the mounting portion 30,
The end surface 41a of the large diameter portion 41 projects from the first surface 20 of the handle shaft 4, and the end surface 42c of the small diameter portion 42 projects from the second surface 21 of the handle shaft 4. Therefore, the backlash prevention member 40 can be properly mounted by fitting the step prevention portion 40 into the attachment portion 30 of the handle shaft 4 until the step portion 43 contacts the step portion 33, and the backlash prevention member 40 can be easily attached to the handle shaft 4. Is.
【００１７】また、ガタ防止部材４０の小径部４２をハ
ンドル軸４の小径孔３２に嵌合することでガタ防止部材
４０をハンドル軸４に強固に取付け、ガタ防止部材４０
の大径部４１をハンドル軸４の幅とほぼ同一として軸取
付用孔８，１３の内面に接する面積を大きくできる。よ
って、より安定したハンドル軸４のがたつき防止が可能
であると共に、大径孔のみを形成する場合に比べてハン
ドル軸４の強度低下が低減する。Further, by fitting the small diameter portion 42 of the play preventing member 40 into the small diameter hole 32 of the handle shaft 4, the play preventing member 40 is firmly attached to the handle shaft 4, and the play preventing member 40
The large diameter portion 41 can be made substantially the same as the width of the handle shaft 4 to increase the area in contact with the inner surfaces of the shaft mounting holes 8 and 13. Therefore, the rattling of the handle shaft 4 can be prevented more stably, and the reduction in strength of the handle shaft 4 is reduced as compared with the case where only the large diameter hole is formed.
【００１８】第５の発明によれば、ガイド面をガイドと
して大径部４１、小径部４２を軸取付用孔８，１３内に
スムーズに挿入できる。また、ガタ防止部材４０の全
長、ハンドル軸４の第１面２０と第２面２１との面の寸
法に若干の誤差があってもガイド面がハンドル軸４の第
１面２０、第２面２１から全て突出することがなく、前
述のように大径部４１、小径部４２を軸取付用孔８，１
３内にスムーズに挿入できる。According to the fifth aspect, the large diameter portion 41 and the small diameter portion 42 can be smoothly inserted into the shaft mounting holes 8 and 13 using the guide surface as a guide. Further, even if there are some errors in the overall length of the play preventing member 40 and the dimensions of the first surface 20 and the second surface 21 of the handle shaft 4, the guide surfaces are the first surface 20 and the second surface of the handle shaft 4. As described above, the large-diameter portion 41 and the small-diameter portion 42 are not projected from all of the shafts 21, and the shaft mounting holes 8 and 1 are provided.
It can be smoothly inserted into 3.
【００１９】[0019]
【発明の実施の形態】錠装置の一例を図１に基づいて説
明する。錠１と、一方のハンドル２と、他方のハンドル
３と、ハンドル軸４で錠装置を構成する。前記錠１は、
錠ケース５に錠杆６と錠杆作動部材、例えばハブ７を取
付け、そのハブ７を回転することで錠杆６が錠ケース５
から出入りする。前記ハブ７は軸取付用孔８を有する。
前記錠ケース５がドア９の凹陥部１０内に取付けられ
る。このドア９はハブ７と相対向した孔１１を有する。BEST MODE FOR CARRYING OUT THE INVENTION An example of a lock device will be described with reference to FIG. The lock 1, the handle 2 on one side, the handle 3 on the other side, and the handle shaft 4 constitute a lock device. The lock 1 is
The lock rod 6 and the lock rod operating member, for example, the hub 7 are attached to the lock case 5, and the hub 7 is rotated to move the lock rod 6 to the lock case 5.
Go in and out of. The hub 7 has a shaft mounting hole 8.
The lock case 5 is mounted in the recess 10 of the door 9. This door 9 has a hole 11 facing the hub 7.
【００２０】前記一方のハンドル２は突起部２ａと握り
部２ｂを有するレバーハンドルで、その突起部２ａの孔
１２にハンドル軸４の軸方向一端部が回転しないように
挿入され、抜け止め手段、例えばピン２ｃで抜け止めさ
れる。前記他方のハンドル３は突起部３ａと握り部３ｂ
を有するレバーハンドルで、その突起部３ａに軸取付用
孔１３を有する。例えば、突起部３ａには大径孔と小径
孔で段付きの孔１４が形成してある。この孔１４内にス
トッパ１５と筒体１６が挿入され、抜け止め手段、例え
ばピン３ｃで抜け止めされる。前記ストッパ１５は円形
板状でハンドル軸挿通穴１７が形成してあり、このハン
ドル軸挿通穴１７は矩形状で対向した一対の開口縁と連
続して係止片１８が一体的に設けてある。前記筒体１６
に軸取付用孔１３が形成してある。このようにしたの
は、後述するようにハンドル軸４の軸方向他端部を他方
のハンドル３に着脱自在で、抜け出ないように取付ける
ためであって、突起部３ａに軸取付用孔１３を形成して
も良い。The one handle 2 is a lever handle having a protruding portion 2a and a grip portion 2b, and is inserted into the hole 12 of the protruding portion 2a so that one end of the handle shaft 4 in the axial direction does not rotate. For example, the pin 2c prevents it from coming off. The other handle 3 has a protrusion 3a and a grip 3b.
The lever handle has a shaft mounting hole 13 in the protrusion 3a. For example, a stepped hole 14 having a large diameter hole and a small diameter hole is formed in the protrusion 3a. A stopper 15 and a cylindrical body 16 are inserted into the hole 14 and are retained by a retaining means, for example, a pin 3c. The stopper 15 has a circular plate shape and has a handle shaft insertion hole 17 formed therein. The handle shaft insertion hole 17 has a rectangular shape, and a locking piece 18 is integrally provided continuously with a pair of opposed opening edges. . The cylindrical body 16
A shaft mounting hole 13 is formed in the shaft. This is done in order to attach the other end of the handle shaft 4 in the axial direction to the other handle 3 so as to be attachable to and detachable from the other handle 3, as will be described later. You may form.
【００２１】前記ハンドル軸４は四角形断面形状で、相
対向した第１面２０と第２面２１及び相対向した第３面
２２と第４面２３を有する。前記軸取付用孔８、孔１
２、軸取付用孔１３は四角形孔である。軸取付用孔８、
軸取付用孔１３はハンドル軸４よりも若干大きく、ハン
ドル軸４は各軸取付用孔８，１３に隙間を有し、かつ回
転しないように挿入する。前記ハンドル軸４の第３面２
２と第４面２３における軸方向他端寄りに係止溝２４が
それぞれ形成されている。前記ハンドル軸４には一対の
取付部３０が軸方向に間隔を置いて形成してある。この
各取付部３０にガタ防止部材４０がそれぞれ取付けてあ
る。The handle shaft 4 has a quadrangular cross section and has a first surface 20 and a second surface 21 facing each other and a third surface 22 and a fourth surface 23 facing each other. The shaft mounting holes 8 and 1
2. The shaft mounting hole 13 is a square hole. Shaft mounting hole 8,
The shaft mounting hole 13 is slightly larger than the handle shaft 4, and the handle shaft 4 is inserted so as to have a gap in each shaft mounting hole 8 and 13 and not to rotate. Third surface 2 of the handle shaft 4
Locking grooves 24 are formed on the second and fourth surfaces 23, respectively, toward the other end in the axial direction. A pair of mounting portions 30 are formed on the handle shaft 4 at intervals in the axial direction. A backlash preventing member 40 is attached to each of the attaching portions 30.
【００２２】ハンドル軸４はドア９の一方側からドア９
の孔１１、錠１のハブ７の軸取付用孔８を挿通して他端
部がドア９の他方側に突出する。このハンドル軸４の他
端部が筒体１６の軸取付用孔１３を挿通し、さらにスト
ッパ１５のハンドル軸挿通穴１７に挿通して孔１４の小
径孔まで挿入することでハンドル軸４に他方のハンドル
３が連結される。ハンドル軸４の係止溝２４がストッパ
１５の係止片１８に係合するので、ハンドル軸４が抜け
止めされる。また、一方のガタ防止部材４０がハブ７の
軸取付用孔８の内面に圧接し、他方のガタ防止部材４０
が筒体１６の軸取付用孔１３の内面に圧接し、ハンドル
軸４が軸取付用孔８，１３に対してがたつくことが防止
される。The handle shaft 4 is mounted on the door 9 from one side of the door 9.
Through the hole 11 and the shaft mounting hole 8 of the hub 7 of the lock 1 so that the other end projects to the other side of the door 9. The other end of the handle shaft 4 is inserted into the shaft mounting hole 13 of the tubular body 16, and further inserted into the handle shaft insertion hole 17 of the stopper 15 to the small-diameter hole of the hole 14, whereby the other end of the handle shaft 4 is inserted. Handle 3 is connected. Since the locking groove 24 of the handle shaft 4 engages with the locking piece 18 of the stopper 15, the handle shaft 4 is prevented from coming off. Further, one backlash prevention member 40 is in pressure contact with the inner surface of the shaft mounting hole 8 of the hub 7, and the other backlash prevention member 40.
Is pressed against the inner surface of the shaft mounting hole 13 of the cylindrical body 16, and the handle shaft 4 is prevented from rattling with respect to the shaft mounting holes 8 and 13.
【００２３】次に、ハンドル軸４の取付部３０とガタ防
止部材４０の具体形状を図２〜図４に基づいて説明す
る。取付部３０はハンドル軸４の第１面２０と第２面２
１に貫通した丸形状の孔で、この孔は第１面２０に開口
した大径孔３１と第２面２１に開口した小径孔３２で段
差部３３を有する段付き形状の孔である。前記大径孔３
１の径Ｄ１は第１面２０の幅Ｈとほぼ同一で、その大径
孔３１の長さａ（第１面２０から段差部３３までの寸
法）は第１面２０と第２面２１との間の寸法ｂに比べて
小さい。例えば約１／８である。この大径孔３１の長さ
ａは小径孔３２の長さ（ｂ−ａ）よりも小さい。前記ハ
ンドル軸４は金属製である。Next, specific shapes of the mounting portion 30 of the handle shaft 4 and the backlash preventing member 40 will be described with reference to FIGS. The mounting portion 30 includes the first surface 20 and the second surface 2 of the handle shaft 4.
1 is a round hole penetrating 1 and is a stepped hole having a large diameter hole 31 opened on the first surface 20 and a small diameter hole 32 opened on the second surface 21 and having a step portion 33. Large diameter hole 3
The diameter D 1 of 1 is almost the same as the width H of the first surface 20, and the length a of the large diameter hole 31 (the dimension from the first surface 20 to the step portion 33) is the first surface 20 and the second surface 21. Is smaller than the dimension b between For example, it is about 1/8. The length a of the large diameter hole 31 is smaller than the length (ba) of the small diameter hole 32. The handle shaft 4 is made of metal.
【００２４】前記ガタ防止部材４０は大径部４１と小径
部４２で段差部４３を有する断面円形で段付きの軸形状
である。このガタ防止部材４０の全長ｃは前記各軸取付
用孔８，１３の対向内面間の寸法（孔の大きさ）と同等
以上で、その両端面が各軸取付用孔８，１３の対向内面
に圧接する。このガタ防止部材４０の全長ｃはハンドル
軸４の前記寸法ｂ（段付き形状の孔の全長）よりも長
い。前記大径部４１の径ｄ１は大径孔３１の径Ｄ１より
も小さく、その大径部４１の長さ（端面４１ａと段差部
４３との間の寸法）ｄは前記大径孔３１の長さａよりも
長い。この大径部４１の長さｄと大径孔３１の長さａの
差（ｄ−ａ）は前記ガタ防止部材４０の全長ｃと前記寸
法ｂとの差（ｃ−ｂ）のほぼ半分である。前記大径部４
１の端面４１ａ側の周縁部は面取り加工して挿入ガイド
用のガイド面、例えばテーパ面４１ｂとしてある。ガイ
ド面は斜面、円弧面（Ｒ面）でも良い。The backlash preventing member 40 has a stepped shaft shape with a circular cross section having a step portion 43 in a large diameter portion 41 and a small diameter portion 42. The total length c of the backlash preventive member 40 is equal to or larger than the dimension (size of the hole) between the facing inner surfaces of the shaft mounting holes 8 and 13, and both end surfaces thereof have the facing inner surfaces of the shaft mounting holes 8 and 13. Press against. The total length c of the play preventing member 40 is longer than the dimension b of the handle shaft 4 (the total length of the stepped hole). The diameter d 1 of the large diameter portion 41 is smaller than the diameter D 1 of the large diameter hole 31, the large diameter hole 31 (the dimension between the end surface 41a and the step portion 43) d that the length of the large-diameter portion 41 Is longer than the length a. The difference (d-a) between the length d of the large-diameter portion 41 and the length a of the large-diameter hole 31 is approximately half the difference (c-b) between the total length c of the rattling prevention member 40 and the dimension b. is there. The large diameter part 4
The peripheral edge portion of the first end surface 41a side is chamfered to form a guide surface for insertion guide, for example, a tapered surface 41b. The guide surface may be an inclined surface or an arc surface (R surface).
【００２５】前記小径部４２の径ｄ２は小径孔３２の径
Ｄ２と同等以上で、小径部４２は小径孔３２に嵌合す
る。The diameter d 2 of the small diameter portion 42 is equal to or larger than the diameter D 2 of the small diameter hole 32, and the small diameter portion 42 fits into the small diameter hole 32.
【００２６】例えば、小径部４２は図４に示すように軸
状部分４２ａと、その外周面に一体的に設けた複数の突
起部分４２ｂを有し、その複数の突起部分４２ｂを連続
した仮想円が径ｄ２である。小径部４２を前述の形状と
することで、小径部４２の複数の突起部分４２ｂと小径
孔３２の内面が接触するから、その接触部分で小径部４
２がハンドル軸４の軸方向に強固に取付けられると共
に、その接触面積が小さく、小径部４２は小さな力で小
径孔３２に圧入できる。For example, as shown in FIG. 4, the small-diameter portion 42 has a shaft-shaped portion 42a and a plurality of protruding portions 42b integrally provided on the outer peripheral surface thereof, and the plurality of protruding portions 42b are continuous virtual circles. Is the diameter d 2 . By making the small-diameter portion 42 have the above-described shape, the plurality of protruding portions 42b of the small-diameter portion 42 come into contact with the inner surface of the small-diameter hole 32.
2 is firmly attached in the axial direction of the handle shaft 4, the contact area is small, and the small diameter portion 42 can be press-fitted into the small diameter hole 32 with a small force.
【００２７】前記小径部４２の端面４２ｃ側の周縁部は
面取り加工して挿入ガイド用のガイド面、例えばテーパ
面４２ｄとしてある。ガイド面は斜面、円弧面（Ｒ面）
でも良い。このテーパ面４２ｄ、前記大径部４１のテー
パ面４１ｂを形成した部分の長さｅは、前記ガタ防止部
材４０の全長ｃとハンドル軸４の前記寸法ｂとの差（ｃ
−ｂ）の半分（つまり、大径部４１、小径部４２のハン
ドル軸４の第１面２０、第２面２１からの突出寸法）よ
りも長い。このようであるから、ハンドル軸４の段付き
形状の孔（取付部３０）にガタ防止部材４０を圧入し、
図３に示すように段差部４３と段差部３３を接すると、
大径部４１の端面４１ａがハンドル軸４の第１面２０か
ら突出すると共に、小径部４２の端面４２ｃがハンドル
軸４の第２面２１から突出する。また、ハンドル軸４の
第１面２０はテーパ面４１ｂと対向し、第２面２１はテ
ーパ面４２ｄと対向する。しかも、前記テーパ面４１
ｂ、４２ｄの長さｅが大径部４１、小径部４２の第１面
２０、第２面２１からの突出寸法よりも長いので、段付
き形状の孔の長さ、ガタ防止部材４０の全長ｃ、ハンド
ル軸４の前記寸法ｂに若干の寸法誤差があってもテーパ
面４１ｂ，４２ｄの全てが第１面２０、第２面２１から
突出することがない。つまり、大径部４１、小径部４２
のハンドル軸４に対して直角となる面が第１面２０、第
２面２１から突出することがない。The peripheral portion of the small diameter portion 42 on the side of the end surface 42c is chamfered to form a guide surface for insertion guide, for example, a tapered surface 42d. The guide surface is a slope, an arc surface (R surface)
But good. The length e of the tapered surface 42d and the portion of the large diameter portion 41 where the tapered surface 41b is formed is the difference (c) between the total length c of the rattling prevention member 40 and the dimension b of the handle shaft 4.
It is longer than half of (b) (that is, the projecting dimension of the large diameter portion 41 and the small diameter portion 42 from the first surface 20 and the second surface 21 of the handle shaft 4). Because of this, the backlash preventing member 40 is press-fitted into the stepped hole (mounting portion 30) of the handle shaft 4,
As shown in FIG. 3, when the step portion 43 and the step portion 33 are in contact with each other,
The end surface 41a of the large diameter portion 41 projects from the first surface 20 of the handle shaft 4, and the end surface 42c of the small diameter portion 42 projects from the second surface 21 of the handle shaft 4. Further, the first surface 20 of the handle shaft 4 faces the tapered surface 41b, and the second surface 21 faces the tapered surface 42d. Moreover, the tapered surface 41
Since the length e of b and 42d is longer than the projecting dimension of the large diameter portion 41 and the small diameter portion 42 from the first surface 20 and the second surface 21, the length of the stepped hole and the total length of the rattling prevention member 40. c, even if there is a slight dimensional error in the dimension b of the handle shaft 4, all of the tapered surfaces 41b and 42d do not project from the first surface 20 and the second surface 21. That is, the large diameter portion 41 and the small diameter portion 42
The surface perpendicular to the handle shaft 4 does not protrude from the first surface 20 and the second surface 21.
【００２８】前記ガタ防止部材４０は、一定条件で試験
を行い、引張り弾性率又は曲げ弾性率が１００，０００
ｐｓｉ（７，０００ｋｇｆ／ｃｍ２）以上（ＩＳＯＲ２
９１）の硬質樹脂、例えば、ポリアセタール樹脂、ポリ
アミド６樹脂、ポリアミド６６樹脂、アクリロニトリル
・ブタジエン・スチレン樹脂、アクリル樹脂、アクリロ
ニトリル・エチレンプロピレンゴム・スチレン樹脂、ア
クリル・アクリロニトリル・スチレン樹脂、ポリプロピ
レン樹脂、ポリエチレン樹脂、ポリカーボネート樹脂、
ポリエチレンテレフタレート樹脂、ポリスチレン樹脂な
どである。The rattling prevention member 40 was tested under constant conditions and had a tensile modulus or a bending modulus of 100,000.
psi (7,000 kgf / cm 2 ) or more (ISOR2
91) Hard resin, for example, polyacetal resin, polyamide 6 resin, polyamide 66 resin, acrylonitrile / butadiene / styrene resin, acrylic resin, acrylonitrile / ethylene propylene rubber / styrene resin, acrylic / acrylonitrile / styrene resin, polypropylene resin, polyethylene resin , Polycarbonate resin,
Examples thereof include polyethylene terephthalate resin and polystyrene resin.
【００２９】次に、ハンドル軸４の取付けについて説明
する。ハンドル軸４の段付き形状の孔（取付部３０）に
ガタ防止部材４０を前述のようにして取付ける。ハンド
ル軸４を軸取付用孔８，１３に挿入することで、大径部
４１のテーパ面４１ｂ、小径部４２のテーパ面４２ｄを
ガイドとしてガタ防止部材４０が若干圧縮しながら軸取
付用孔８，１３内に挿入される。Next, the mounting of the handle shaft 4 will be described. The backlash preventing member 40 is attached to the stepped hole (mounting portion 30) of the handle shaft 4 as described above. By inserting the handle shaft 4 into the shaft mounting holes 8 and 13, the rattling prevention member 40 slightly compresses using the tapered surface 41b of the large diameter portion 41 and the tapered surface 42d of the small diameter portion 42 as guides, and the shaft mounting hole 8 is formed. , 13 are inserted.
【００３０】これによって、大径部４１の端面４１ａと
小径部４２の端面４２ｃが軸取付用孔８，１３の対向し
た内面に強く押しつけられるから、ハンドル軸４が軸取
付用孔８，１３に対してがたつくことが防止される。ま
た、ハンドル軸４に大径孔３１と小径孔３２を有する段
付き形状の孔を形成し、ガタ防止部材４０を大径部４１
と小径部４２を有する段付きの軸形状としたので、ガタ
防止部材４０の大径部４１をハンドル軸４の幅Ｈとほぼ
同一として軸取付用孔８，１３と接触する面積を大きく
できる。しかも、段差部３３と段差部４３を接すること
でガタ防止部材４０が位置決めされ、そのガタ防止部材
４０のハンドル軸４の第１面２０、第２面２１からの突
出量を簡単に正しく設定した値にできる。As a result, the end surface 41a of the large-diameter portion 41 and the end surface 42c of the small-diameter portion 42 are strongly pressed against the opposing inner surfaces of the shaft mounting holes 8 and 13, so that the handle shaft 4 fits into the shaft mounting holes 8 and 13. Rattling is prevented. Further, a stepped hole having a large diameter hole 31 and a small diameter hole 32 is formed in the handle shaft 4, and the backlash preventing member 40 is attached to the large diameter portion 41.
Since the stepped shaft shape has the small diameter portion 42, the large diameter portion 41 of the play preventing member 40 can be made substantially the same as the width H of the handle shaft 4 to increase the area of contact with the shaft mounting holes 8 and 13. Moreover, the backlash prevention member 40 is positioned by contacting the step portion 33 and the step portion 43, and the amount of protrusion of the backlash prevention member 40 from the first surface 20 and the second surface 21 of the handle shaft 4 can be easily and correctly set. Can be a value.
【００３１】図５に示すように、大径孔３１の長さａを
長くし、その段差部３３とガタ防止部材４０の段差部４
３との間に隙間が生じるようにしても良い。As shown in FIG. 5, the length a of the large-diameter hole 31 is increased so that the step portion 33 and the step portion 4 of the backlash preventing member 40 are increased.
A gap may be formed between the first and second electrodes.
【００３２】前述のガタ防止部材４０は、その大径部４
１を図６（ａ）に示すようにほぼ長円形状、図６（ｂ）
に示すように長方形状としても良い。また、図６（ｃ）
に示すように小径部４２を複数設けても良い。この形状
の時にはハンドル軸４に形成した大径孔３１の底面（段
差部３３）に複数の小径孔３２を第２面２１に開口して
形成することで取付部３０とする。The backlash preventing member 40 has the large-diameter portion 4
1 is a substantially oval shape as shown in FIG. 6 (a), and FIG.
It may be rectangular as shown in FIG. Also, FIG. 6 (c)
A plurality of small diameter portions 42 may be provided as shown in FIG. In the case of this shape, a plurality of small diameter holes 32 are formed in the bottom surface (step portion 33) of the large diameter hole 31 formed in the handle shaft 4 by opening the second surface 21 to form the mounting portion 30.
【００３３】このようにすれば、大径部４１の面積が大
きく、軸取付用孔８，１３の内面に接触する面積が大き
いので、ハンドル軸４の軸取付用孔８，１３に対するが
たつきをより一層確実に防止できる。With this structure, the large-diameter portion 41 has a large area, and the area in contact with the inner surfaces of the shaft mounting holes 8 and 13 is large, so that the handle shaft 4 rattles with respect to the shaft mounting holes 8 and 13. Can be prevented more reliably.
【００３４】図７に示すように、取付部３０をハンドル
軸４の第１面２０から第２面２１まで同一径で円形の孔
とし、ガタ防止部材４０を長手方向に亘って同一径で断
面円形の軸形状としても良い。As shown in FIG. 7, the mounting portion 30 is a circular hole having the same diameter from the first surface 20 to the second surface 21 of the handle shaft 4, and the backlash preventing member 40 has a cross section having the same diameter in the longitudinal direction. A circular shaft shape may be used.
【００３５】また、取付部３０は図示を省略するが、ハ
ンドル軸４の第１面２０から第２面２１まで貫通した四
角形状の孔、三角形状の孔、円錐形状の孔、四角錐形状
の孔、三角錐形状の孔などとしても良い。この場合には
ガタ防止部材４０を断面四角の軸形状、断面三角の軸形
状、円錐体形状、四角錐体形状、三角錐形状とする。Although not shown, the mounting portion 30 has a quadrangular hole, a triangular hole, a conical hole, or a quadrangular pyramid shape that penetrates from the first surface 20 to the second surface 21 of the handle shaft 4. A hole, a triangular pyramid-shaped hole, or the like may be used. In this case, the backlash preventive member 40 has a square cross section, a triangular cross section, a cone shape, a quadrangular pyramid shape, and a triangular pyramid shape.
【００３６】図８と図９に示すようにハンドル軸４の相
対向した２つの角部に孔を貫通して形成することで取付
部３０とし、ガタ防止部材４０を角部を境として隣接し
た２つの面から突出する軸形状としても良い。例えば、
ハンドル軸４の第１面２０と第３面２２の第１の角部２
５に形成した凹陥部３４と、第２面２１と第４面２３の
第２の角部２６と前記凹陥部３４の底面３４ａに貫通し
た孔３５を有する段付き形状の孔を取付部３０とする。
ガタ防止部材４０は軸状部４４の一端部に頭部４５を一
体的に設けた形状で、その軸状部４４が前記孔３５に嵌
合し、頭部４５が凹陥部３４に嵌合するようにする。頭
部４５が凹陥部３４の底面３４ａに接することで位置決
めする。As shown in FIGS. 8 and 9, a hole is formed through two opposite corners of the handle shaft 4 to form a mounting portion 30, and the rattling prevention members 40 are adjacent to each other at the corner. The shaft shape may be projected from two surfaces. For example,
First corner 2 of first surface 20 and third surface 22 of handle shaft 4
5 and the second corner portion 26 of the second surface 21 and the fourth surface 23, and a stepped hole having a hole 35 penetrating the bottom surface 34a of the concave portion 34 and the mounting portion 30. To do.
The backlash preventing member 40 has a shape in which a head portion 45 is integrally provided at one end of a shaft-shaped portion 44, the shaft-shaped portion 44 fits into the hole 35, and the head portion 45 fits into the recessed portion 34. To do so. The head 45 is positioned by contacting the bottom surface 34a of the recess 34.
【００３７】前記軸状部４４の他端面４４ａは第２の角
部２６と同一角度の山型形状で、ハンドル軸４の第２面
２１、第４面２３より突出する。この軸状部４４の他端
面４４ａ寄りの２つの角部は面取り加工されて斜面４４
ｂとしてあり、前述のガイド面を有している。円弧面で
も良い。前記頭部４５の端面４５ａは第１の角部２５と
同一角度の山型形状で、ハンドル軸４の第１面２０、第
３面２２より突出する。この頭部４５の端面４５ａ寄り
の２つの角部は面取り加工されて斜面４５ｂとしてあ
り、前述のガイド面を有する。円弧面でも良い。The other end surface 44a of the shaft-like portion 44 has a mountain-like shape having the same angle as the second corner portion 26 and projects from the second surface 21 and the fourth surface 23 of the handle shaft 4. The two corners of the shaft-like portion 44 near the other end surface 44a are chamfered to form a slope 44.
b and has the above-mentioned guide surface. It may be an arc surface. The end surface 45a of the head portion 45 has a mountain-like shape having the same angle as the first corner portion 25 and protrudes from the first surface 20 and the third surface 22 of the handle shaft 4. The two corners of the head portion 45 near the end surface 45a are chamfered to form slopes 45b, which have the above-described guide surfaces. It may be an arc surface.
【００３８】図１０に示すように、ハンドル軸４の第１
の角部２５と第２の角部２６に長手方向に亘って同一大
きさの孔を貫通して形成することで取付部３０とし、ガ
タ防止部材４０は長手方向に亘って同一大きさの軸形状
で、山型形状の他端面４４ａと山型形状の端面４５ａを
有する形状としても良い。As shown in FIG. 10, the first of the handle shafts 4
Is formed in the corner portion 25 and the second corner portion 26 of the same size in the longitudinal direction so as to form the attachment portion 30, and the backlash preventing member 40 is the shaft of the same size in the longitudinal direction. The shape may have a mountain-shaped other end surface 44a and a mountain-shaped end surface 45a.
【００３９】図９、図１０に示す実施の形態では、ガタ
防止部材４０は断面矩形状であるが、断面円形状、断面
三角形状などとしても良い。また、図３、図５、図７、
図９、図１０ではガタ防止部材４０を１つとしたが、ハ
ンドル軸４に２つのガタ防止部材４０を軸方向に離れ、
かつ９０度位相をずらして取付けるようにしても良い。In the embodiment shown in FIGS. 9 and 10, the play preventing member 40 has a rectangular cross section, but may have a circular cross section, a triangular cross section, or the like. In addition, FIG. 3, FIG. 5, FIG.
Although the backlash preventing member 40 is one in FIGS. 9 and 10, the two backlash preventing members 40 are axially separated from the handle shaft 4.
In addition, the phase may be shifted by 90 degrees for mounting.
【００４０】前述の図３、図５、図７に示す実施の形態
では取付部３０をハンドル軸４の第１面２０と第２面２
１に貫通した孔形状としたが、１つの面にのみ開口した
孔形状としても良い。例えば、図１１に示すようにハン
ドル軸４の第１面２０に開口した大径孔３１と、この大
径孔３１と連続し、かつ第２面２１に開口しない小径孔
３２で段差部３３を有する段付き形状の孔を取付部３０
とする。ガタ防止部材４０は大径部４１と小径部４２で
段差部４３を有する段付きの軸形状とする。その大径部
４１を大径孔３１に嵌め合せると共に、小径部４２を小
径孔３２に嵌合し、段差部４３を段差部３３に接する。
この小径部４２は小径孔３２よりも若干短かい。前記大
径孔３１の長さａと大径部４１の長さｄとの差（ｄ−
ａ）よりもテーパ面４１ｂを形成した部分の長さｅが長
い。In the embodiment shown in FIGS. 3, 5 and 7, the mounting portion 30 is attached to the first surface 20 and the second surface 2 of the handle shaft 4.
Although it has a hole shape penetrating through 1, the hole shape may be opened only on one surface. For example, as shown in FIG. 11, the step portion 33 is formed by a large-diameter hole 31 that is opened on the first surface 20 of the handle shaft 4 and a small-diameter hole 32 that is continuous with the large-diameter hole 31 and does not open on the second surface 21. Mounting portion 30 having a stepped hole having
And The backlash preventing member 40 has a stepped shaft shape having a step portion 43 with a large diameter portion 41 and a small diameter portion 42. The large diameter portion 41 is fitted in the large diameter hole 31, the small diameter portion 42 is fitted in the small diameter hole 32, and the step portion 43 is in contact with the step portion 33.
The small diameter portion 42 is slightly shorter than the small diameter hole 32. The difference between the length a of the large diameter hole 31 and the length d of the large diameter portion 41 (d-
The length e of the portion where the tapered surface 41b is formed is longer than that in a).
【００４１】この場合には、大径部４１を図１２（ａ）
に示すようにほぼ長円形状、図１２（ｂ）に示すように
長方形状としても良い。また、図１２（ｃ）に示すよう
に小径部４２を複数設けても良い。この形状の時にはハ
ンドル軸４に形成した大径孔３１の底面（段差部３３）
に複数の小径孔３２を形成して取付部３０とする。In this case, the large diameter portion 41 is shown in FIG.
The shape may be an elliptical shape as shown in FIG. 12 or a rectangular shape as shown in FIG. Further, as shown in FIG. 12C, a plurality of small diameter parts 42 may be provided. In the case of this shape, the bottom surface (step portion 33) of the large diameter hole 31 formed in the handle shaft 4
A plurality of small-diameter holes 32 are formed in the mounting portion 30.
【００４２】図１３に示すように、ハンドル軸４の第１
面２０に開口した長手方向に亘って同一径の孔を第２面
２１に開口しないように形成して取付部３０とする。ガ
タ防止部材４０は長手方向に亘って同一径の軸形状とす
る。As shown in FIG. 13, the first of the handle shafts 4
A hole having the same diameter is formed on the surface 20 in the longitudinal direction so as not to open on the second surface 21 to form the mounting portion 30. The backlash preventing member 40 has a shaft shape with the same diameter in the longitudinal direction.
【００４３】図１１、図１３に示す実施の形態の場合に
は、取付部３０（段付き形状の孔、孔）を第１面２０以
外の面に形成しても良い。また、２つの面、３つの面、
４つの面にそれぞれ取付部３０を形成して２つの面、３
つの面、４つの面にそれぞれガタ防止部材４０を取付け
ても良い。In the case of the embodiment shown in FIGS. 11 and 13, the mounting portion 30 (stepped hole, hole) may be formed on a surface other than the first surface 20. Also, two faces, three faces,
The mounting portion 30 is formed on each of the four surfaces to form the two surfaces, and
The backlash preventing member 40 may be attached to each of the four surfaces.
【００４４】前述の図９、図１０に示す実施の形態で
は、ハンドル軸４の対向した２つの角部に貫通した段付
き形状の孔、孔で取付部３０としたが、一方の角部に開
口し、他方の角部には開口しない段付き形状の孔、孔で
取付部３０としても良い。例えば、図１４に示すように
ハンドル軸４の第１の角部２５に開口した凹陥部３４
と、この凹陥部３４の底面３４ａに開口し、かつ第２の
角部２６に開口しない孔３５で段差部（底面３４ａ）を
有する段付き形状の孔とする。ガタ防止部材４０は、前
記孔３５に嵌合する軸状部４４と前記凹陥部３４に嵌ま
り合う頭部４５を有する。その頭部４５の端面４５ａを
山型形状としてハンドル軸４の第１面２０と第３面２２
より突出するようにする。この軸取付部４４は孔３５よ
り短かい。In the embodiment shown in FIGS. 9 and 10 described above, the mounting portion 30 is formed by a stepped hole penetrating two opposite corners of the handle shaft 4 and a hole. The mounting portion 30 may be a stepped hole that is open and does not open at the other corner. For example, as shown in FIG. 14, a recessed portion 34 opened at the first corner portion 25 of the handle shaft 4.
Then, the stepped hole having a step portion (bottom surface 34a) is formed in the hole 35 which is open to the bottom surface 34a of the concave portion 34 and is not opened to the second corner portion 26. The backlash preventing member 40 has a shaft-shaped portion 44 that fits into the hole 35 and a head portion 45 that fits into the recessed portion 34. The end surface 45a of the head portion 45 is formed into a mountain shape to form the first surface 20 and the third surface 22 of the handle shaft 4.
Make it more prominent. The shaft mounting portion 44 is shorter than the hole 35.
【００４５】図１５に示すように、ハンドル軸４に第１
の角部２５に開口し、かつ第２の角部２６に開口しない
長手方向に亘って同一大きさの孔、例えば４角形状の孔
を形成して取付部３０とする。ガタ防止部材４０は前記
孔に嵌合する長手方向に亘って同一大きさの軸形状で、
その端面４５ａを山型形状として第１面２０と第３面２
２からそれぞれ突出するようにする。As shown in FIG. 15, the handle shaft 4 has a first
A hole having the same size, for example, a quadrangular hole, which is opened in the corner portion 25 and which does not open in the second corner portion 26 in the longitudinal direction is formed as the attachment portion 30. The backlash preventing member 40 has a shaft shape of the same size in the longitudinal direction fitted in the hole,
The end surface 45a has a chevron shape, and the first surface 20 and the third surface 2
So that they protrude from 2 respectively.
【００４６】図１４と図１５に示す実施の形態の場合に
は、取付部３０（段付き形状の孔、孔）を第２の角部２
６、第１面２０と第４面２３との第３の角部２７、第２
面２１と第３面２２との第４の角部２８のいずれかに形
成し、各取付部３０にガタ防止部材４０を取付けしても
良い。また、第１の角部２５、第２の角部２６、第３の
角部２７、第４の角部２８のいずれか２つの角部又は３
つの角部、あるいは全ての角部に取付部３０を形成し、
複数のガタ防止部材４０を取付けるようにしても良い。In the case of the embodiment shown in FIGS. 14 and 15, the mounting portion 30 (stepped hole, hole) is formed in the second corner portion 2.
6, the third corner portion 27 of the first surface 20 and the fourth surface 23, the second
It may be formed on any one of the fourth corners 28 of the surface 21 and the third surface 22, and the backlash preventing member 40 may be attached to each attachment portion 30. Further, any two corners of the first corner 25, the second corner 26, the third corner 27, and the fourth corner 28 or 3
The mounting portion 30 is formed at one corner or all corners,
A plurality of backlash preventing members 40 may be attached.
【００４７】前述の各実施の形態ではハンドル軸４を四
角形断面形状で、軸取付用孔８，１３を四角形孔とした
が、これに限ることはない。例えば、ハンドル軸４を五
角形断面形状、六角形断面形状などの角形断面形状又は
円形断面形状とし、軸取付用孔８，１３を五角形孔、六
角形孔などの角形孔又は円形孔としても良い。In each of the above-mentioned embodiments, the handle shaft 4 has a quadrangular sectional shape and the shaft mounting holes 8 and 13 are quadrangular holes, but the present invention is not limited to this. For example, the handle shaft 4 may have a polygonal cross-sectional shape such as a pentagonal cross-section or a hexagonal cross-section or a circular cross-section, and the shaft mounting holes 8 and 13 may be square or circular holes such as a pentagonal hole and a hexagonal hole.
【００４８】また、図１１、図１２、図１４に示す実施
の形態の場合には、小径部４２、軸状部４４を硬質樹脂
ではなく、軟質樹脂、金属としても良い。In the case of the embodiment shown in FIGS. 11, 12, and 14, the small diameter portion 42 and the shaft-like portion 44 may be made of soft resin or metal instead of hard resin.
【００４９】[0049]
【発明の効果】請求項１に係る発明によれば、ハンドル
軸４の取付部３０に取付けたガタ防止部材４０が軸取付
用孔８，１３の内面に圧接しているので、ハンドル軸４
の軸取付用孔８，１３に対するがたつきを防止できる。
また、ガタ防止部材４０は硬質樹脂であるから、ハンド
ル軸４に連結したハンドル操作力でガタ防止部材４０が
変位し難い。しかも、ガタ防止部材４０は耐久性に優れ
早期に劣化しない。これらが相俟って、ハンドル軸４の
軸取付用孔８，１３に対するがたつきを長期間に亘って
確実に防止できる。According to the first aspect of the present invention, the backlash preventing member 40 mounted on the mounting portion 30 of the handle shaft 4 is pressed against the inner surfaces of the shaft mounting holes 8 and 13, so that the handle shaft 4
Rattling of the shaft mounting holes 8 and 13 can be prevented.
Further, since the backlash preventing member 40 is made of hard resin, it is difficult for the backlash preventing member 40 to be displaced by the handle operating force connected to the handle shaft 4. Moreover, the backlash preventing member 40 is excellent in durability and does not deteriorate early. Together, these can surely prevent rattling of the handle shaft 4 with respect to the shaft mounting holes 8 and 13 for a long period of time.
【００５０】また、ガタ防止部材４０は硬質樹脂で、ハ
ンドル軸４の取付部３０に軸方向に動かないように嵌合
して取付けてあるので、ハンドル軸４を軸取付用孔８，
１３に挿入する際にガタ防止部材４０が軸方向に動くこ
とがない。よって、ハンドル軸４を軸取付用孔８，１３
に容易に挿入して取付けできる。また、ガタ防止部材４
０を固着するための手段、例えばねじ、ピン、溶接など
が不要で、製作コストが安い。Since the backlash preventing member 40 is made of a hard resin and is fitted into the mounting portion 30 of the handle shaft 4 so as not to move in the axial direction, the handle shaft 4 is attached to the shaft mounting hole 8,
The rattling prevention member 40 does not move in the axial direction when it is inserted into 13. Therefore, the handle shaft 4 is attached to the shaft mounting holes 8 and 13
Can be easily inserted and installed in. In addition, the backlash prevention member 4
No means for fixing 0, such as screws, pins, welding, etc., is required, and the manufacturing cost is low.
【００５１】請求項２に係る発明によれば、ハンドル軸
４の孔にガタ防止部材４０を嵌合することで取付けで
き、その取付けが容易である。軸形状のガタ防止部材４
０がハンドル軸４の対向した２つの面から突出するの
で、軸取付用孔８，１３の対向した２つの面にそれぞれ
圧接する。よって、ハンドル軸４の軸取付用孔８，１３
に対するがたつきを一層確実に防止できる。According to the second aspect of the invention, the rattling prevention member 40 can be mounted by fitting it into the hole of the handle shaft 4, and the mounting is easy. Shaft-shaped backlash prevention member 4
Since 0 projects from the two opposing surfaces of the handle shaft 4, it is pressed against the two opposing surfaces of the shaft mounting holes 8 and 13, respectively. Therefore, the shaft mounting holes 8 and 13 of the handle shaft 4
It is possible to more reliably prevent rattling.
【００５２】請求項３に係る発明によれば、ハンドル軸
４の孔にガタ防止部材４０を嵌合することで取付けで
き、その取付けが容易である。軸形状のガタ防止部材４
０の一方の端面及び他方の端面が、軸取付用孔８，１３
の隣接した２つの内面にそれぞれ圧接する。よって、ハ
ンドル軸４の軸取付用孔８，１３に対するがたつきをよ
り一層確実に防止できる。According to the third aspect of the invention, the rattling prevention member 40 can be mounted by fitting it into the hole of the handle shaft 4, and the mounting is easy. Shaft-shaped backlash prevention member 4
One end surface and the other end surface of 0 are the shaft mounting holes 8 and 13
The two inner surfaces adjacent to each other are pressed against each other. Therefore, rattling of the handle shaft 4 with respect to the shaft mounting holes 8 and 13 can be prevented more reliably.
【００５３】請求項４に係る発明によれば、ガタ防止部
材４０の段差部４３を取付部３０の段差部３３に接する
ことで、大径部４１の端面４１ａがハンドル軸４の第１
面２０から突出すると共に、小径部４２の端面４２ｃが
ハンドル軸４の第２面２１から突出する。よって、ガタ
防止部材４０をハンドル軸４の取付部３０に、その段差
部４３が段差部３３に接するまで嵌合することで正しく
取付けでき、そのガタ防止部材４０のハンドル軸４への
取付けが容易である。According to the fourth aspect of the present invention, the step portion 43 of the backlash preventing member 40 is brought into contact with the step portion 33 of the mounting portion 30 so that the end surface 41a of the large diameter portion 41 becomes the first portion of the handle shaft 4.
While projecting from the surface 20, the end surface 42c of the small diameter portion 42 projects from the second surface 21 of the handle shaft 4. Therefore, the backlash prevention member 40 can be properly mounted by fitting the step prevention portion 40 into the attachment portion 30 of the handle shaft 4 until the step portion 43 contacts the step portion 33, and the backlash prevention member 40 can be easily attached to the handle shaft 4. Is.
【００５４】また、ガタ防止部材４０の小径部４２をハ
ンドル軸４の小径孔３２に嵌合することでガタ防止部材
４０をハンドル軸４に強固に取付け、ガタ防止部材４０
の大径部４１をハンドル軸４の幅とほぼ同一として軸取
付用孔８，１３の内面に接する面積を大きくできる。よ
って、より安定したハンドル軸４のがたつき防止が可能
であると共に、大径孔のみを形成する場合に比べてハン
ドル軸４の強度低下が低減する。By fitting the small diameter portion 42 of the play preventing member 40 into the small diameter hole 32 of the handle shaft 4, the play preventing member 40 is firmly attached to the handle shaft 4, and the play preventing member 40
The large diameter portion 41 can be made substantially the same as the width of the handle shaft 4 to increase the area in contact with the inner surfaces of the shaft mounting holes 8 and 13. Therefore, the rattling of the handle shaft 4 can be prevented more stably, and the reduction in strength of the handle shaft 4 is reduced as compared with the case where only the large diameter hole is formed.
【００５５】請求項５に係る発明によれば、ガイド面を
ガイドとして大径部４１、小径部４２を軸取付用孔８，
１３内にスムーズに挿入できる。また、ガタ防止部材４
０の全長、ハンドル軸４の第１面２０と第２面２１との
面の寸法に若干の誤差があってもガイド面がハンドル軸
４の第１面２０、第２面２１から全て突出することがな
く、前述のように大径部４１、小径部４２を軸取付用孔
８，１３内にスムーズに挿入できる。According to the fifth aspect of the invention, the large diameter portion 41 and the small diameter portion 42 are used as the shaft mounting holes 8 and
It can be inserted into 13 smoothly. In addition, the backlash prevention member 4
Even if there is a slight error in the overall length of 0 and the dimensions of the surfaces of the first and second surfaces 20 and 21 of the handle shaft 4, the guide surfaces all project from the first and second surfaces 20 and 21 of the handle shaft 4. Therefore, the large diameter portion 41 and the small diameter portion 42 can be smoothly inserted into the shaft mounting holes 8 and 13 as described above.
【図１】錠装置の分解斜視図である。FIG. 1 is an exploded perspective view of a lock device.
【図２】ハンドル軸とガタ防止部材の分解斜視図であ
る。FIG. 2 is an exploded perspective view of a handle shaft and a backlash preventing member.
【図３】ハンドル軸にガタ防止部材を取付けた状態の断
面図である。FIG. 3 is a cross-sectional view showing a state where a backlash preventing member is attached to a handle shaft.
【図４】図３のＡ−Ａ断面図である。4 is a cross-sectional view taken along the line AA of FIG.
【図５】取付部の段差部とガタ防止部材の段差部との間
に隙間を形成した断面図である。FIG. 5 is a cross-sectional view in which a gap is formed between the step portion of the mounting portion and the step portion of the backlash preventing member.
【図６】ガタ防止部材の他の形状を示す斜視図である。FIG. 6 is a perspective view showing another shape of the play preventing member.
【図７】取付部とガタ防止部材をそれぞれ長手方向に亘
って同一大きさとした断面図である。FIG. 7 is a cross-sectional view in which the mounting portion and the backlash preventing member have the same size in the longitudinal direction.
【図８】ハンドル軸の角部に軸取付用孔を開口した実施
の形態の分解斜視図である。FIG. 8 is an exploded perspective view of an embodiment in which a shaft mounting hole is opened in a corner portion of a handle shaft.
【図９】取付け状態の断面図である。FIG. 9 is a cross-sectional view of a mounted state.
【図１０】ハンドル軸の角部に開口した取付部とガタ防
止部材をそれぞれ長手方向に亘って同一大きさとした実
施の形態を示す断面図である。FIG. 10 is a cross-sectional view showing an embodiment in which a mounting portion opened at a corner portion of a handle shaft and a backlash preventing member have the same size in the longitudinal direction.
【図１１】ハンドル軸の一つの面に段付きの軸形状のガ
タ防止部材を取付けた実施の形態を示す断面図である。FIG. 11 is a sectional view showing an embodiment in which a stepped shaft-shaped backlash preventing member is attached to one surface of the handle shaft.
【図１２】ガタ防止部材の他の形状を示す斜視図であ
る。FIG. 12 is a perspective view showing another shape of the play preventing member.
【図１３】ハンドル軸の一つの面に長手方向に亘って同
一大きさのガタ防止部材を取付けた実施の形態の断面図
である。FIG. 13 is a cross-sectional view of an embodiment in which play preventing members of the same size are attached to one surface of a handle shaft in the longitudinal direction.
【図１４】ハンドル軸の一つの角部に段付きの軸形状の
ガタ防止部材を取付けた実施の形態を示す断面図であ
る。FIG. 14 is a cross-sectional view showing an embodiment in which a stepped shaft-shaped play preventing member is attached to one corner of the handle shaft.
【図１５】ハンドル軸の一つの角部に長手方向に亘って
同一大きさのガタ防止部材を取付けた実施の形態を示す
断面図である。FIG. 15 is a cross-sectional view showing an embodiment in which a play preventing member having the same size is attached to one corner of the handle shaft in the longitudinal direction.
４…ハンドル軸、８…軸取付用孔、１３…軸取付用孔、
２０…第１面、２１…第２面、２２…第３面、２３…第
４面、２５…第１の角部、２６…第２の角部、２７…第
３の角部、２８…第４の角部、３０…取付部、３１…大
径孔、３２…小径孔、３３…段差部、３４…凹陥部、３
５…孔、４０…ガタ防止部材、４１…大径部、４２…小
径部、４３…段差部、４４…軸状部、４５…頭部。4 ... Handle shaft, 8 ... Shaft mounting hole, 13 ... Shaft mounting hole,
20 ... 1st surface, 21 ... 2nd surface, 22 ... 3rd surface, 23 ... 4th surface, 25 ... 1st corner part, 26 ... 2nd corner part, 27 ... 3rd corner part, 28 ... Fourth corner portion, 30 ... Mounting portion, 31 ... Large diameter hole, 32 ... Small diameter hole, 33 ... Step portion, 34 ... Recessed portion, 3
Reference numeral 5 ... Hole, 40 ... Backlash preventing member, 41 ... Large diameter portion, 42 ... Small diameter portion, 43 ... Step portion, 44 ... Shaft portion, 45 ... Head portion.
Claims (5)
軸４が軸取付用孔８，１３に対してがたつくことを防止
するハンドル軸のがたつき防止装置であって、 前記ハンドル軸４に取付部３０が形成され、硬質樹脂よ
り成るガタ防止部材４０が取付部３０に軸方向に動くこ
となく、嵌合して取付けられ、前記ガタ防止部材４０が
ハンドル軸４の面から突出し、 前記ガタ防止部材４０が軸取付用孔８，１３の内面に圧
接していることを特徴とするハンドル軸のがたつき防止
装置。1. A handle shaft rattling prevention device for preventing the handle shaft 4 inserted into the shaft mounting holes 8, 13 from rattling with respect to the shaft mounting holes 8, 13. The mounting portion 30 is formed on the mounting portion 30, and the backlash preventing member 40 made of a hard resin is fitted and mounted on the mounting portion 30 without moving in the axial direction, and the backlash preventing member 40 projects from the surface of the handle shaft 4. A rattling prevention device for a handle shaft, wherein a backlash prevention member 40 is in pressure contact with the inner surfaces of the shaft mounting holes 8, 13.
に開口した孔を形成して取付部３０とし、 ガタ防止部材４０を、前記孔に嵌合し、かつ前記ハンド
ル軸４の対向した２つの面間の寸法よりも長い軸形状と
した請求項１記載のハンドル軸のがたつき防止装置。2. A handle shaft 4 is formed with a hole opened in two opposite surfaces thereof to form a mounting portion 30. A rattling prevention member 40 is fitted in the hole and opposed to the handle shaft 4. 2. The handle shaft rattling prevention device according to claim 1, wherein the handle shaft has a shaft shape longer than the dimension between the two surfaces.
部に開口した孔を形成して取付部３０とし、 ガタ防止部材４０を、前記孔に嵌合し、かつ一方の端面
が一方の角部を形成する隣接した２つの面から突出し、
他方の端面が他方の角部を形成する隣接した２つの面か
ら突出する軸形状とした請求項１記載のハンドル軸のが
たつき防止装置。3. A handle shaft (4) is formed with holes opened at two opposite corners thereof to form a mounting part (30), a backlash preventing member (40) is fitted in the hole, and one end face has one end. Protruding from two adjacent faces forming a corner,
2. The handle shaft rattling prevention device according to claim 1, wherein the other end face has a shaft shape protruding from two adjacent faces forming the other corner portion.
２で段差部３３を有する段付き形状の孔を、相対向した
第１面２０と第２面２１に開口して形成することで取付
部３０とし、 ガタ防止部材４０を、前記大径孔３１に嵌まり合う大径
部４１と前記小径孔３２に嵌まり合う小径部４２で段差
部４３を有する段付きの軸形状とし、 前記ガタ防止部材４０の全長が前記ハンドル軸４の第１
面２０と第２面２１との間の寸法より大きく、そのガタ
防止部材４０の段差部４３が取付部３０の段差部３３に
接した状態で大径部４１の端面４１ａが第１面２０から
突出し、かつ小径部４２の端面４２ｃが第２面２１から
突出するようにした請求項１記載のハンドル軸のがたつ
き防止装置。4. A large-diameter hole 31 and a small-diameter hole 3 in the handle shaft 4.
A stepped hole having a step portion 33 at 2 is formed by opening the first surface 20 and the second surface 21 facing each other to form the attachment portion 30, and the backlash prevention member 40 is provided with the large-diameter hole 31. And a small diameter portion 42 that fits in the small diameter hole 32 has a stepped shaft shape having a step portion 43, and the entire length of the rattling prevention member 40 is the first of the handle shaft 4.
The end surface 41a of the large diameter portion 41 is larger than the dimension between the surface 20 and the second surface 21 and the step portion 43 of the backlash preventing member 40 is in contact with the step portion 33 of the mounting portion 30 from the first surface 20. The handle rattling prevention device according to claim 1, wherein the end surface 42 c of the small diameter portion 42 projects from the second surface 21.
のガイド面を有し、前記ガイド面を有する部分の長さが
大径部４１、小径部４２の第１面２０、第２面２１から
の突出寸法よりも長い請求項４記載のハンドル軸のがた
つき防止装置。5. The large-diameter portion 41 and the small-diameter portion 42 have guide surfaces for insertion guides, and the length of the portion having the guide surfaces is the large-diameter portion 41, the first surface 20, and the second surface of the small-diameter portion 42. The rattling prevention device for the handle shaft according to claim 4, wherein the device is longer than the protruding dimension from the surface 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001335310A JP4215191B2 (en) | 2001-10-31 | 2001-10-31 | Handle shaft rattling prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001335310A JP4215191B2 (en) | 2001-10-31 | 2001-10-31 | Handle shaft rattling prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003138793A true JP2003138793A (en) | 2003-05-14 |
| JP4215191B2 JP4215191B2 (en) | 2009-01-28 |
Family
ID=19150310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001335310A Expired - Fee Related JP4215191B2 (en) | 2001-10-31 | 2001-10-31 | Handle shaft rattling prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4215191B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387668A (en) * | 2022-08-26 | 2022-11-25 | 青岛澳柯玛生物医疗有限公司 | Door handle rotating shaft |
-
2001
- 2001-10-31 JP JP2001335310A patent/JP4215191B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387668A (en) * | 2022-08-26 | 2022-11-25 | 青岛澳柯玛生物医疗有限公司 | Door handle rotating shaft |
| CN115387668B (en) * | 2022-08-26 | 2024-04-05 | 青岛澳柯玛生物医疗有限公司 | Door handle rotating shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4215191B2 (en) | 2009-01-28 |
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