JP2507400Y2 - Speed meter drive device - Google Patents

Speed meter drive device

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Publication number
JP2507400Y2
JP2507400Y2 JP1986040618U JP4061886U JP2507400Y2 JP 2507400 Y2 JP2507400 Y2 JP 2507400Y2 JP 1986040618 U JP1986040618 U JP 1986040618U JP 4061886 U JP4061886 U JP 4061886U JP 2507400 Y2 JP2507400 Y2 JP 2507400Y2
Authority
JP
Japan
Prior art keywords
pinion gear
housing
tooth
groove
tip shaft
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.)
Expired - Lifetime
Application number
JP1986040618U
Other languages
Japanese (ja)
Other versions
JPS62153577U (en
Inventor
誠治 鹿貫
博記 須藤
Original Assignee
株式会社 山田製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社 山田製作所 filed Critical 株式会社 山田製作所
Priority to JP1986040618U priority Critical patent/JP2507400Y2/en
Publication of JPS62153577U publication Critical patent/JPS62153577U/ja
Application granted granted Critical
Publication of JP2507400Y2 publication Critical patent/JP2507400Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は自動二輪車等のスピードメーターを駆動する
ためのスピードメーター駆動装置に関する。特に、ホイ
ールハブの部分に取り付けられ、そのハウジング内にホ
イールハブに連結されるギヤーと、このギヤーと噛み合
うピニオンギヤーとを納め、そのピニオンギヤーに回転
力伝達用可撓軸を連結する形式のスピードメーター駆動
装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a speedometer driving device for driving a speedometer of a motorcycle or the like. In particular, the speed of a type that is attached to the wheel hub part and that houses a gear that is connected to the wheel hub in its housing and a pinion gear that meshes with this gear, and that connects the flexible shaft for torque transmission to the pinion gear. Regarding a meter driving device.

〔従来技術〕[Prior art]

第4図、第5図にこの種スピードメーター駆動装置の
従来例を示す。図面において(20)はホイールハブであ
り、スピードメーター駆動装置のハウジング(1)が、
ホイールハブベアリング(21)とフオークパイプ(22)
との間に挟持されている。ハウジングのスリーブ軸
(9)に回転自在に支持されたギヤー(2)が結合片
(23)を介してホイールハブ(20)に連結され、このギ
ヤー(2)はホイールハブ(20)と共に回転する。軸部
(10)(5)をハウジング(1)に支持されたピニオン
ギヤー(3)がギヤー(2)と噛み合っており、所定の
減速比で回転される。このピニオンギヤー(3)には、
回転力伝達用可撓軸(4)を挿入連結する挿入用孔部
(7)がその後端から歯部(6)方向に形成されてお
り、この挿入用孔部(7)に挿入連結された可撓軸
(4)がスピードメーターの入力軸に回転力を伝達し、
ホイールハブ(20)の回転速度に応じた回転数でスピー
ドメーターの入力軸を回転させる。
FIGS. 4 and 5 show conventional examples of this kind of speedometer driving device. In the drawing, (20) is a wheel hub, and the housing (1) of the speedometer drive device is
Wheel hub bearings (21) and fork pipes (22)
Is sandwiched between. A gear (2) rotatably supported by a sleeve shaft (9) of the housing is connected to a wheel hub (20) via a coupling piece (23), and the gear (2) rotates together with the wheel hub (20). . A pinion gear (3) whose shaft (10) (5) is supported by the housing (1) meshes with the gear (2) and is rotated at a predetermined reduction ratio. In this pinion gear (3),
An insertion hole (7) for inserting and connecting the rotational force transmitting flexible shaft (4) is formed in the direction of the tooth (6) from the rear end, and the insertion hole (7) is inserted and connected to the insertion hole (7). The flexible shaft (4) transmits the rotational force to the input shaft of the speedometer,
Rotate the input shaft of the speedometer at a rotation speed that corresponds to the rotation speed of the wheel hub (20).

〔考案が解決しようとする問題点〕[Problems to be solved by the invention]

このようなスピードメーター駆動装置において図面に
示す如く、ピニオンギヤー(3)の先端軸部(10)が直
接ハウジング(1)に支持されているため、先端軸部
(10)とハウジング(1)との摺動面に、潤滑剤が充分
に行き渡らずに、先端軸部(10)に異常摩耗を生じて、
長期の使用に耐えられないという問題がある。この様な
問題は、合成樹脂製のピニオンギヤー(3)を用いた装
置において顕著なもので、解決すべき課題である。
In such a speedometer driving device, as shown in the drawing, since the tip shaft portion (10) of the pinion gear (3) is directly supported by the housing (1), the tip shaft portion (10) and the housing (1) are Lubricant was not fully spread on the sliding surface of, and abnormal wear occurred on the tip shaft part (10),
There is a problem that it cannot withstand long-term use. Such a problem is remarkable in the device using the pinion gear (3) made of synthetic resin and is a problem to be solved.

本考案はこれらの点に鑑みなされたもので、合成樹脂
製のピニオンギヤーの先端軸部の異常摩耗を防止して、
長期に渡って使用可能なスピードメーター駆動装置を提
供することを目的とする。
The present invention has been made in view of these points, and prevents abnormal wear of the tip shaft of a synthetic resin pinion gear,
It is an object of the present invention to provide a speedometer drive device that can be used for a long period of time.

〔問題を解決するための手段〕[Means for solving problems]

実施例に対応する第1図〜第3図に基づき本考案を説
明すると、ハウジング(1)内に、ホイールハブに連結
されるギヤー(2)と、該ギヤー(2)と噛み合う歯部
(6)を有する合成樹脂製ピニオンギヤー(3)とを納
め、該ピニオンギヤー(3)と一体に成形された先端軸
部(13)をハウジング(1)に回転可能に支持し、前記
ピニオンギヤー(3)に回転力伝達用可撓軸(4)を連
結したスピードメーター駆動装置において、前記ピニオ
ンギヤー(3)の先端軸部(13)の外径を、前記歯部
(6)の歯底径より大とし、前記先端軸部(13)に前記
歯部(6)の歯溝に沿って延長した溝(16)を設け、該
溝(16)に潤滑剤を塗布して、前記先端軸部(13)をハ
ウジング(1)に支持したものである。
The present invention will be described with reference to FIGS. 1 to 3 corresponding to an embodiment. A gear (2) connected to a wheel hub and a tooth portion (6) meshing with the gear (2) are provided in a housing (1). And a pinion gear (3) made of a synthetic resin, the tip shaft portion (13) integrally formed with the pinion gear (3) is rotatably supported by the housing (1), and the pinion gear (3) ) Is connected to a flexible shaft (4) for torque transmission, the outer diameter of the tip shaft portion (13) of the pinion gear (3) is larger than the root diameter of the tooth portion (6). The tip shaft portion (13) is provided with a groove (16) extending along the tooth groove of the tooth portion (6), and a lubricant is applied to the groove (16) to make the tip shaft portion (13) large. 13) is supported on the housing (1).

〔作用〕[Action]

本考案は前述の如くであるから、合成樹脂製のピニオ
ンギヤー(3)の先端軸部(13)に該ピニオンギヤーの
歯部の歯溝に沿って延長した溝(16)は、その先端軸部
の全周において均等に設けられて、その先端軸部のハウ
ジングとの摺動面を均等に分割し、この溝(16)に潤滑
剤を塗布することで、この溝(16)が各摺動面間におい
て潤滑剤を長期に渡って保持し、前記ピニオンギヤーの
回転により先端軸部(13)とハウジング(1)との摺動
面に潤滑剤が均等かつ充分に供給され、異常磨耗が防止
される。また、先端軸部の溝と歯部の歯溝とが一つの溝
で繋がっているので、その溝を介して先端軸部と歯部と
の相互の潤滑が可能となる。そして、先端軸部(13)の
摺動面部が歯部の歯元と一体につながって大径化したも
ので、軸強度が向上する。
Since the present invention is as described above, the tip shaft portion (13) of the pinion gear (3) made of synthetic resin has the groove (16) extending along the tooth groove of the tooth portion of the pinion gear. This groove (16) is evenly distributed over the entire circumference of the part, and the sliding surface of the tip shaft part with the housing is evenly divided. The lubricant is held for a long period of time between the moving surfaces, and the rotation of the pinion gear allows the lubricant to be evenly and sufficiently supplied to the sliding surface between the tip shaft portion (13) and the housing (1) to prevent abnormal wear. To be prevented. Further, since the groove of the tip shaft portion and the tooth groove of the tooth portion are connected by one groove, mutual lubrication of the tip shaft portion and the tooth portion is possible through the groove. Then, the sliding surface portion of the tip shaft portion (13) is integrally connected to the root of the tooth portion and has a large diameter, so that the shaft strength is improved.

〔実施例〕〔Example〕

第1図〜第3図は本考案実施例を示すもので、図面に
おいて、ハウジング(1)のスリーブ軸(9)に回転自
在にギヤー(2)が支持され、ホイールハブに連結され
てホイールハブと共に回転する。そして、ピニオンギヤ
ー(3)は、その軸部(5)(13)をハウジング(1)
に回転自在に支持され、その歯部(6)がギヤー(2)
と噛み合っている。このピニオンギヤー(3)は、先端
軸部(13)の外径が歯部(6)の歯底径より大きく、歯
部(6)の歯溝がそのまま連続した状態で、その軸部
(13)全周に延長した溝(16)が前記歯部と同様にその
軸部全周にわたって均等に設けられ、先端軸部の摺動面
を均等に分割して設けられる。そして、ピニオンギヤー
(3)は、合成樹脂製であり、切削加工を施すことなく
射出成型によってその歯部(6)を含む全てが成型さ
れ、歯溝から連続した溝(16)を先端軸部(13)に形成
したことで、歯部(6)の歯底径より大とした先端軸部
(13)が歯部(6)を成型する型に引っ掛からずに、ピ
ニオンギヤー(3)を型内から取り出せる。この溝(1
6)に潤滑剤を塗布して、先端軸部(13)をハウジング
(1)の軸受部(12)に回転可能に支持した。そして、
挿入用孔部(7)に可撓軸(4)が挿入連結されてい
る。尚、図中符号(14)は軸受ブッシュ、(15)は可撓
軸のホルダーである。上記の如く、先端軸部(13)に歯
部の歯溝に沿って延長した溝(16)が均等に設けられ、
その溝に潤滑剤を塗布して、ハウジング(1)に支持し
たので、先端軸部における摺動面間の溝(16)に潤滑剤
が長期に渡って保持されハウジング(1)と先端軸部
(13)との摺動面に充分にかつ均等に潤滑剤が供給さ
れ、異常磨耗を防止する。また、先端軸部に塗布された
潤滑剤の余剰分を歯部へ導き先端軸部及び歯部の相互の
潤滑を可能にする。
1 to 3 show an embodiment of the present invention, in which a gear (2) is rotatably supported by a sleeve shaft (9) of a housing (1) and is connected to a wheel hub. Rotate with. The pinion gear (3) has its shaft (5) (13) attached to the housing (1).
Is rotatably supported by the tooth portion (6) of the gear (2)
Is meshing with. In this pinion gear (3), the outer diameter of the tip shaft portion (13) is larger than the root diameter of the tooth portion (6), and the tooth groove of the tooth portion (6) is continuous as it is. ) Grooves (16) extending over the entire circumference are evenly provided over the entire circumference of the shaft portion similarly to the tooth portion, and the sliding surface of the tip end shaft portion is equally divided. The pinion gear (3) is made of synthetic resin, and the entire tooth portion (6) including the tooth portion (6) is formed by injection molding without cutting, and the groove (16) continuous from the tooth groove is formed in the tip shaft portion. By forming the pinion gear (3) in the mold (13), the tip shaft part (13) larger than the root diameter of the tooth part (6) does not catch on the mold for molding the tooth part (6). You can take it out from inside. This groove (1
A lubricant was applied to 6) to rotatably support the tip shaft portion (13) on the bearing portion (12) of the housing (1). And
The flexible shaft (4) is inserted and connected to the insertion hole (7). In the figure, reference numeral (14) is a bearing bush, and (15) is a holder of a flexible shaft. As described above, the tip shaft portion (13) is evenly provided with the grooves (16) extending along the tooth spaces of the teeth,
Since the lubricant is applied to the groove and supported by the housing (1), the lubricant is retained in the groove (16) between the sliding surfaces of the tip shaft portion for a long period of time and the housing (1) and the tip shaft portion. Lubricant is sufficiently and evenly supplied to the sliding surface with (13) to prevent abnormal wear. Further, the surplus lubricant applied to the tip shaft portion is guided to the tooth portion to enable mutual lubrication of the tip shaft portion and the tooth portion.

〔考案の効果〕[Effect of device]

本考案は前述の如くであるから、合成樹脂製のピニオ
ンギヤーを用いたスピードメーター駆動装置において、
ピニオンギヤーの先端軸部の溝をピニオンギヤーの射出
成型によって容易に成型することができ、またハウジン
グとピニオンギヤーの先端軸部との軸受摺動面の潤滑を
バランス良くして、その回転摺動面の異常摩耗を防止す
ることが出来、かつ、先端軸部の潤滑剤の余剰分を歯部
へ導くことができ、先端軸部と歯部との相互の潤滑を可
能とし、装置としての耐久性を向上することが出来る。
Since the present invention is as described above, in a speedometer driving device using a pinion gear made of synthetic resin,
The groove of the tip shaft part of the pinion gear can be easily molded by injection molding of the pinion gear, and the lubrication of the bearing sliding surface between the housing and the tip shaft part of the pinion gear is well balanced so that it can rotate and slide. Abnormal wear of the surface can be prevented, and the surplus lubricant of the tip shaft part can be guided to the tooth part, enabling mutual lubrication between the tip shaft part and the tooth part, and durability as a device. It is possible to improve the sex.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案実施例の断面図、第2図は第1図に於け
るピニオンギヤーの拡大断面図、第3図はピニオンギヤ
ーの要部斜視図、第4図はホイールハブに取付けられた
状態を示す断面図、第5図は従来例の断面図である。 符号の説明 1…ハウジング、2…ギヤー、3…ピニオンギヤー、4
…可撓軸 5…軸部、6…歯部、7…挿入用孔部、13…先端軸部、
16…溝
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is an enlarged sectional view of the pinion gear in FIG. 1, FIG. 3 is a perspective view of a main portion of the pinion gear, and FIG. 4 is attached to a wheel hub. FIG. 5 is a cross-sectional view showing a state in which it is in a closed state, and FIG. Explanation of symbols 1 ... Housing, 2 ... Gear, 3 ... Pinion gear, 4
... Flexible shaft 5 ... Shaft part, 6 ... Tooth part, 7 ... Insertion hole part, 13 ... Tip shaft part,
16 ... Groove

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of utility model registration request] 【請求項1】ハウジング(1)内に、ホイールハブに連
結されるギヤー(2)と、該ギヤー(2)と噛み合う歯
部(6)を有する合成樹脂製ピニオンギヤー(3)とを
納め、該ピニオンギヤー(3)と一体に成形された先端
軸部(13)をハウジング(1)に回転可能に支持し、前
記ピニオンギヤー(3)に回転力伝達用可撓軸(4)を
連結したスピードメーター駆動装置において、前記ピニ
オンギヤー(3)の先端軸部(13)の外径を、前記歯部
(6)の歯底径より大とし、該先端軸部(13)に前記歯
部(6)の歯溝に沿って延長した溝(16)を設け、該溝
(16)に潤滑剤を塗布して、該先端軸部(13)をハウジ
ング(1)に支持したことを特徴とするスピードメータ
ー駆動装置。
1. A housing (1) contains a gear (2) connected to a wheel hub, and a synthetic resin pinion gear (3) having teeth (6) meshing with the gear (2), A tip shaft portion (13) integrally formed with the pinion gear (3) is rotatably supported by the housing (1), and a flexible shaft (4) for transmitting a rotational force is connected to the pinion gear (3). In the speedometer driving device, the outer diameter of the tip shaft portion (13) of the pinion gear (3) is larger than the root diameter of the tooth portion (6), and the tip portion (13) has the tooth portion (13). A groove (16) extending along the tooth groove of 6) is provided, a lubricant is applied to the groove (16), and the tip shaft portion (13) is supported by the housing (1). Speedometer drive device.
JP1986040618U 1986-03-20 1986-03-20 Speed meter drive device Expired - Lifetime JP2507400Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986040618U JP2507400Y2 (en) 1986-03-20 1986-03-20 Speed meter drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986040618U JP2507400Y2 (en) 1986-03-20 1986-03-20 Speed meter drive device

Publications (2)

Publication Number Publication Date
JPS62153577U JPS62153577U (en) 1987-09-29
JP2507400Y2 true JP2507400Y2 (en) 1996-08-14

Family

ID=30854859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986040618U Expired - Lifetime JP2507400Y2 (en) 1986-03-20 1986-03-20 Speed meter drive device

Country Status (1)

Country Link
JP (1) JP2507400Y2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5526490Y2 (en) * 1977-05-20 1980-06-25
JPS59122553U (en) * 1983-02-08 1984-08-17 株式会社山田製作所 Rotation extractor for travel speedometer

Also Published As

Publication number Publication date
JPS62153577U (en) 1987-09-29

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