JP2001119845A - Rotary cable support mechanism - Google Patents
Rotary cable support mechanismInfo
- Publication number
- JP2001119845A JP2001119845A JP29365299A JP29365299A JP2001119845A JP 2001119845 A JP2001119845 A JP 2001119845A JP 29365299 A JP29365299 A JP 29365299A JP 29365299 A JP29365299 A JP 29365299A JP 2001119845 A JP2001119845 A JP 2001119845A
- Authority
- JP
- Japan
- Prior art keywords
- pedestal
- cable support
- connector
- rotating
- support mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
(57)【要約】
【課題】 本発明は、台座部及び固定部の回転時のトル
ク変動を抑制して回転性を向上させた回転式ケーブル支
持機構を提供することを目的とする。
【解決手段】 本発明による回転式ケーブル支持機構
は、第１コネクタ(6A,6B)を有する第１装置(2)側の台座
部(1)と、第２装置(4)側に固着され、第１コネクタ(6A,
6B)と内部ケーブル(8A,8B)を介して電気的に接続された
第２コネクタ(7A,7B)を有する共にベアリング(5)を介し
て台座部(1)と同軸で相対回転可能な回転部(3)と、台座
部(1)と回転部(3)の回転軸に設けられ、台座部(1)およ
び回転部(3)の回転角に対して所定の比率で回転する差
動機構(10A)を有すると共に内部ケーブル(8A,8B)を貫通
保持する中間ケーブル支持部(10)とを備える構成であ
る。
(57) Abstract: An object of the present invention is to provide a rotary cable support mechanism in which torque fluctuations during rotation of a pedestal portion and a fixed portion are suppressed to improve rotational performance. A rotary cable support mechanism according to the present invention is fixed to a pedestal (1) having a first connector (6A, 6B) on a first device (2) side and a second device (4) side, 1st connector (6A,
6B) and a second connector (7A, 7B) electrically connected via an internal cable (8A, 8B), and a rotatable rotatable coaxially with the pedestal (1) via the bearing (5). A differential mechanism provided on the rotating shaft of the part (3), the pedestal part (1) and the rotating part (3), and rotating at a predetermined ratio with respect to the rotation angle of the pedestal part (1) and the rotating part (3) (10A) and an intermediate cable support (10) for penetrating and holding the internal cables (8A, 8B).
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、回転式ケーブル支
持機構に関し、特に、有限角で回転する機構を有し、回
転部と台座部とを電気的に接続するカメラ装置や回転台
座の回転時におけるトルク変動を抑制すると共にケーブ
ルのたるみを最小限にすることにより、回転式ケーブル
支持機構の回転性を向上させるようにするための新規な
改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary cable support mechanism, and more particularly, to a camera device having a mechanism for rotating at a finite angle and electrically connecting a rotating portion and a pedestal portion, and a rotating pedestal. The present invention relates to a novel improvement for improving the rotational property of a rotary cable support mechanism by suppressing torque fluctuations in the cable and minimizing the slack of the cable.
【０００２】[0002]
【従来の技術】従来、用いられていたこの種の装置とし
ては図２で示される回転式ケーブル支持機構を挙げるこ
とができる。すなわち、図２において、符号１で示され
るものは第１装置２側に取り付けられた台座部であり、
また、符号３で示されるものは第２装置４側に取り付け
られた回転部である。この台座部１と回転部４とはベア
リング５の内歯５ａおよび外歯５ｂを介して相対回転自
在に結合されている。また、図２に示すように、台座部
１および回転部３にはそれぞれ設けられた第１コネクタ
６Ａ、６Ｂおよび第２コネクタ７Ａ、７Ｂが内部ケーブ
ル８Ａ、８Ｂを介して電気的に接続された構成となって
いる。2. Description of the Related Art A rotary cable support mechanism shown in FIG. 2 can be cited as an example of this type of apparatus conventionally used. That is, in FIG. 2, what is indicated by reference numeral 1 is a pedestal portion attached to the first device 2 side,
The reference numeral 3 denotes a rotating unit attached to the second device 4. The pedestal portion 1 and the rotating portion 4 are relatively rotatably coupled via the internal teeth 5a and the external teeth 5b of the bearing 5. Further, as shown in FIG. 2, first connectors 6A and 6B and second connectors 7A and 7B provided on the pedestal portion 1 and the rotating portion 3, respectively, are electrically connected via internal cables 8A and 8B. It has a configuration.
【０００３】[0003]
【発明が解決しようとする課題】従来の回転式ケーブル
支持機構は以上のように構成されていたため、次のよう
な課題が存在していた。すなわち、台座部１及び回転部
３の相対回転移動に伴い、内部ケーブル８Ａ、８Ｂに張
力が発生するため、この張力によるトルク変動が台座部
１と回転部３との回転動作に悪影響をもたらすことがあ
った。また、このような内部ケーブル８Ａ、８Ｂにかか
る張力により内部ケーブル８Ａ、８Ｂと各コネクタ６Ａ
〜７Ｂとの接触不良が生じることがあった。さらに、前
述のトルク変動を抑制するために、有限角で作動する回
転式ケーブル支持機構の回転角が最大になるときを考慮
して、回転角の最大時における第１コネクタ６Ａ−第２
コネクタ７Ａ間および第１コネクタ６Ｂ−第２コネクタ
７Ｂ間の長さに対して内部ケーブル８Ａ、８Ｂの長さに
余裕を持たせていたため、内部ケーブル８Ａ、８Ｂが干
渉することがあった。Since the conventional rotary cable support mechanism is configured as described above, there are the following problems. That is, tension is generated in the internal cables 8A and 8B with the relative rotational movement of the pedestal portion 1 and the rotating portion 3, and the torque fluctuation due to the tension adversely affects the rotation operation of the pedestal portion 1 and the rotating portion 3. was there. Also, the internal cables 8A, 8B and the connectors 6A are connected by the tension applied to the internal cables 8A, 8B.
To 7B in some cases. Further, in order to suppress the above-mentioned torque fluctuation, considering the case where the rotation angle of the rotary cable support mechanism operating at a finite angle becomes the maximum, the first connector 6A-second connector at the maximum rotation angle is considered.
Since the length of the internal cables 8A and 8B was given a margin with respect to the length between the connectors 7A and between the first connector 6B and the second connector 7B, the internal cables 8A and 8B sometimes interfered.
【０００４】本発明は、以上のような課題を解決するた
めになされたもので、特に、台座部および固定部に生じ
るトルク変動を抑制することにより、回転性および電気
的信頼性を向上させた回転式ケーブル支持機構を提供す
ることを目的とする。[0004] The present invention has been made to solve the above-mentioned problems, and in particular, has improved the rotational performance and electrical reliability by suppressing the torque fluctuation occurring in the pedestal portion and the fixed portion. It is an object to provide a rotary cable support mechanism.
【０００５】[0005]
【課題を解決するための手段】本発明の回転式ケーブル
支持機構は、第１装置側に固着され、第１コネクタを有
する台座部と、前記第１装置とは別体の第２装置側に固
着され、前記第１コネクタと内部ケーブルを介して電気
的に接続された第２コネクタを有する共にベアリングを
介して前記台座部と同軸で相対回転可能な回転部と、前
記台座部と前記回転部の回転軸に設けられ、前記台座部
および前記回転部の回転角に対して所定の比率で回転す
る差動機構を有すると共に前記内部ケーブルを貫通保持
する中間ケーブル支持部とを備える構成であり、また、
前記差動機構は、前記台座部および前記回転部の回転角
の１／２の比率で回転する構成である。A rotary cable support mechanism according to the present invention is fixed to a first device side and has a pedestal portion having a first connector and a second device side separate from the first device. A rotating portion having a second connector fixed and electrically connected to the first connector via an internal cable, and being rotatable relative to the pedestal portion via a bearing and coaxial with the pedestal portion; and the pedestal portion and the rotating portion. An intermediate cable supporting portion that is provided on the rotating shaft, has a differential mechanism that rotates at a predetermined ratio with respect to the rotation angle of the pedestal portion and the rotating portion, and penetrates and holds the internal cable. Also,
The differential mechanism is configured to rotate at a ratio of 1/2 of a rotation angle of the pedestal portion and the rotating portion.
【０００６】[0006]
【発明の実施の形態】以下、図面と共に本発明による回
転式ケーブル支持機構の好適な実施の形態について詳細
に説明する。なお、従来装置と同一または同等部分には
同一符号を付し、その説明を省略する。図１に示すよう
に、本発明による回転式ケーブル支持機構は、台座部１
の軸部１Ａと回転部３の軸部３Ａとの間に軸支された周
知の差動機構１０Ａを有する中間ケーブル支持部１０を
備えた構成である。内部ケーブル８Ａ、８Ｂは中間ケー
ブル支持部１０を貫通している。この差動機構１０Ａ
は、台座部１と回転部３との回転角に対して、予め設定
された比率（例えば１／２）で回転する構造になってい
る。また、内部ケーブル８Ａ、８Ｂの長さ自体は従来装
置に比べて短く、すなわち、台座部１と回転部３との回
転角が最大になるときの余裕が最小限になる長さに設定
されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a rotary cable support mechanism according to the present invention will be described below in detail with reference to the drawings. The same or equivalent parts as those of the conventional device are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 1, the rotary cable support mechanism according to the present invention includes a pedestal 1
And an intermediate cable supporting portion 10 having a well-known differential mechanism 10A supported between the shaft portion 1A of the rotating portion 3 and the shaft portion 3A of the rotating portion 3. The internal cables 8A, 8B pass through the intermediate cable support 10. This differential mechanism 10A
Has a structure that rotates at a preset ratio (for example, １ ／) with respect to the rotation angle between the pedestal portion 1 and the rotating portion 3. The length of the internal cables 8A and 8B is shorter than that of the conventional device, that is, the length is set so as to minimize the margin when the rotation angle between the pedestal 1 and the rotating unit 3 is maximized. I have.
【０００７】このような構成の回転式ケーブル支持機構
において、台座部１と回転部３とが相対回転した場合に
は、中間ケーブル支持部１０の差動機構１０Ａが回転し
て内部ケーブル８Ａ、８Ｂに発生する張力を緩衝するた
め、台座部１および回転部３におけるトルク変動を抑制
して回転性が良好であると共に内部ケーブル８Ａ、８Ｂ
と各コネクタ６Ａ〜７Ｂの間における接触不良の発生を
抑制して電気的信頼性を向上させた回転式ケーブル支持
機構を提供することができる。また、内部ケーブル８
Ａ、８Ｂの長さを台座部１および回転部３の回転角の最
大時における第１コネクタ６Ａ−第２コネクタ７Ａ間お
よび第１コネクタ６Ｂ−第２コネクタ７Ｂ間の長さと略
同じ長さに設定しているので、ケーブル同士の干渉を抑
制した回転式ケーブル支持機構を提供することができ
る。In the rotary cable supporting mechanism having such a configuration, when the pedestal portion 1 and the rotating portion 3 rotate relative to each other, the differential mechanism 10A of the intermediate cable supporting portion 10 rotates to rotate the internal cables 8A and 8B. In order to buffer the tension generated in the internal cables 8A and 8B, torque fluctuations in the pedestal portion 1 and the rotating portion 3 are suppressed, so that the rotation is good and the internal cables 8A and 8B
And the connector 6A to 7B can be provided with a rotary cable support mechanism that suppresses the occurrence of poor contact and improves electrical reliability. Also, the internal cable 8
The lengths of A and 8B are set to be substantially the same as the length between the first connector 6A and the second connector 7A and the length between the first connector 6B and the second connector 7B when the rotation angle of the pedestal portion 1 and the rotating portion 3 is maximum. Since it is set, it is possible to provide a rotary cable support mechanism in which interference between cables is suppressed.
【０００８】[0008]
【発明の効果】本発明の回転式ケーブル支持機構は、第
１装置側に固着され、第１コネクタを有する台座部と、
第１装置とは別体の第２装置側に固着され、第１コネク
タと内部ケーブルを介して電気的に接続された第２コネ
クタを有する共にベアリングを介して台座部と同軸で相
対回転可能な回転部と、台座部と回転部の回転軸に設け
られ、台座部および回転部の回転角に対して所定の比率
で回転する差動機構を有すると共に内部ケーブルを貫通
保持する中間ケーブル支持部とを備えるので、台座部お
よび回転部におけるトルク変動を抑制して回転性を良好
にすると共に電気的信頼性を向上させることができる。
また、差動機構は、台座部および回転部の回転角の１／
２の比率で回転する構成であるので、回転性の非常に良
好な回転式ケーブル支持機構を提供することができる。According to the present invention, there is provided a rotary cable supporting mechanism fixed to a first device side and having a pedestal having a first connector;
It has a second connector which is fixed to the second device side separate from the first device and is electrically connected to the first connector via an internal cable, and which can be relatively rotated coaxially with the pedestal via a bearing. A rotating part, an intermediate cable supporting part that is provided on the rotation axis of the pedestal part and the rotating part, has a differential mechanism that rotates at a predetermined ratio with respect to the rotation angle of the pedestal part and the rotating part, and penetrates and holds the internal cable; Therefore, it is possible to suppress torque fluctuations in the pedestal portion and the rotating portion, thereby improving the rotation performance and improving the electrical reliability.
In addition, the differential mechanism has a rotation angle of 1 /
Since it is configured to rotate at a ratio of 2, it is possible to provide a rotary cable support mechanism with very good rotational properties.
【図１】本発明による回転式ケーブル支持機構を概略的
に示す構成図である。FIG. 1 is a configuration diagram schematically showing a rotary cable support mechanism according to the present invention.
【図２】従来の回転式ケーブル支持機構を概略的に示す
構成図である。FIG. 2 is a configuration diagram schematically showing a conventional rotary cable support mechanism.
１ 台座部 ２ 第１装置 ３ 回転部 ４ 第２装置 ５ ベアリング ６Ａ、６Ｂ 第１コネクタ ７Ａ、７Ｂ 第２コネクタ ８Ａ、８Ｂ 内部ケーブル １０ 中間ケーブル支持部 １０Ａ 差動機構 DESCRIPTION OF SYMBOLS 1 Pedestal part 2 1st apparatus 3 Rotating part 4 2nd apparatus 5 Bearing 6A, 6B 1st connector 7A, 7B 2nd connector 8A, 8B Internal cable 10 Intermediate cable support part 10A Differential mechanism
Claims (2)
タ(6A,6B)を有する台座部(1)と、 前記第１装置(2)とは別体の第２装置(4)側に固着され、
前記第１コネクタ(6A,6B)と内部ケーブル(8A,8B)を介し
て電気的に接続された第２コネクタ(7A,7B)を有する共
にベアリング(5)を介して前記台座部(1)と同軸で相対回
転可能な回転部(3)と、 前記台座部(1)と前記回転部(3)の回転軸に設けられ、前
記台座部(1)および前記回転部(3)の回転角に対して所定
の比率で回転する差動機構(10A)を有すると共に前記内
部ケーブル(8A,8B)を貫通保持する中間ケーブル支持部
(10)とを備える構成としたことを特徴とする回転式ケー
ブル支持機構。A pedestal (1) fixed to a first device (2) side and having first connectors (6A, 6B), and a second device (4) separate from the first device (2). ) Side,
It has a second connector (7A, 7B) electrically connected to the first connector (6A, 6B) via an internal cable (8A, 8B), and the base (1) via a bearing (5). A rotating part (3) which is relatively rotatable coaxially with the pedestal part (1) and a rotation angle of the rotating part (3), which is provided on a rotating shaft of the pedestal part (1) and the rotating part (3). An intermediate cable support that has a differential mechanism (10A) that rotates at a predetermined ratio to the internal cable (8A, 8B) and that holds the internal cable (8A, 8B) through.
(10) A rotary cable support mechanism, characterized in that:
よび前記回転部(3)の回転角の１／２の比率で回転する
構成としたことを特徴とする請求項１記載の回転式ケー
ブル支持機構。2. The differential mechanism (10A) is configured to rotate at a ratio of 1/2 of a rotation angle of the pedestal portion (1) and the rotating portion (3). A rotary cable support mechanism as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29365299A JP2001119845A (en) | 1999-10-15 | 1999-10-15 | Rotary cable support mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29365299A JP2001119845A (en) | 1999-10-15 | 1999-10-15 | Rotary cable support mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001119845A true JP2001119845A (en) | 2001-04-27 |
Family
ID=17797496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29365299A Pending JP2001119845A (en) | 1999-10-15 | 1999-10-15 | Rotary cable support mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001119845A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220291B2 (en) * | 2004-06-08 | 2007-05-22 | Camfil Farr, Inc. | Filter housing assembly |
| CN115498588A (en) * | 2022-09-30 | 2022-12-20 | 中国电子科技集团公司第二十研究所 | Rotary wiring device and photoelectric equipment |
-
1999
- 1999-10-15 JP JP29365299A patent/JP2001119845A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220291B2 (en) * | 2004-06-08 | 2007-05-22 | Camfil Farr, Inc. | Filter housing assembly |
| US7588614B2 (en) | 2004-06-08 | 2009-09-15 | Camfil Farr, Inc. | Filter housing assembly |
| CN115498588A (en) * | 2022-09-30 | 2022-12-20 | 中国电子科技集团公司第二十研究所 | Rotary wiring device and photoelectric equipment |
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