WO2020156201A1 - 用于控制蛇骨组件的齿轮机构及内窥镜 - Google Patents

用于控制蛇骨组件的齿轮机构及内窥镜 Download PDF

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Publication number
WO2020156201A1
WO2020156201A1 PCT/CN2020/072460 CN2020072460W WO2020156201A1 WO 2020156201 A1 WO2020156201 A1 WO 2020156201A1 CN 2020072460 W CN2020072460 W CN 2020072460W WO 2020156201 A1 WO2020156201 A1 WO 2020156201A1
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Prior art keywords
rack
gear
driven
tooth box
snake
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PCT/CN2020/072460
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English (en)
French (fr)
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李奕
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深圳市先赞科技有限公司
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Application filed by 深圳市先赞科技有限公司 filed Critical 深圳市先赞科技有限公司
Publication of WO2020156201A1 publication Critical patent/WO2020156201A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005—Flexible endoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor

Definitions

  • the invention relates to the technical field of endoscopes, in particular to a gear mechanism and an endoscope for controlling a snake bone component.
  • Endoscope is a commonly used medical device in the prior art.
  • the endoscope in the prior art includes an insertion end for directly inserting into the inside of the human body, a bendable bending tube connected with the insertion end, and a handle end for manual control operation.
  • the insertion end includes a camera module, a snake bone assembly mounted on the camera module, and a traction wire rope connected to the camera module installed inside the snake bone assembly;
  • the handle end includes a handle housing, and internal and external rotating gears mounted on the periphery of the handle housing Group, a rotating mechanism installed inside the handle housing and connected with the inner and outer rotating gear sets.
  • the inner and outer tooth rotating wheel sets are used to drive the rotating mechanism to rotate, and the rotating mechanism controls the movement of the snake-bone component by pulling the steel wire rope.
  • friction or looseness is generated between the traction wire rope and the rotating mechanism, which makes it difficult for the inner and outer rotating gear set to control the movement of the serpentine component, resulting in lower control accuracy of the inner and outer rotating gear set.
  • this structure can only be used once, and the use cost is relatively high.
  • the purpose of the present invention is to provide a gear mechanism and an internal gear mechanism for controlling the snake-bone assembly that can improve the flexibility and precision of the control snake-bone assembly of the inner and outer rotating gear sets, can enable the internal components provided on the handle end to be used multiple times, and reduce the use cost. Looking glass.
  • the present invention provides a gear mechanism for controlling a snake-bone assembly, which includes an inner and outer sleeve driven gear shaft, an inner and outer rotating gear set mounted on one end of the inner and outer sleeve driven gear shaft, and also includes The driving gear structure at the other end of the rotating shaft of the inner and outer passive gear, at least two racks, a driven gear structure; one end of the rack is connected to the driving gear structure, and the other end of the rack is connected to the driven gear structure Connected.
  • the rack includes two short lower racks, a long lower rack, and an upper rack; and also includes a rack for connecting one of the short lower racks and the long lower rack
  • the buckle structure the upper rack is connected with the other short lower rack; the two short lower racks are connected with the driving gear structure, the long lower rack and the upper tooth
  • the bar is connected with the driven gear structure.
  • the driving gear structure includes a passive gear connected to one end of the inner and outer passive gear shaft and meshing with the short lower rack, and a tooth box base installed under the short lower rack.
  • the tooth box upper cover at the upper end of the tooth box base.
  • the tooth box base includes a tooth box seat body, three baffles arranged in parallel on the body of the tooth box seat, and a positioning plate arranged on the periphery of the baffle on one side is arranged on the other side. Perforated positioning plate on the side of the baffle.
  • the positioning plate is provided with positioning holes, and the inside of the perforated positioning plate is provided with driven gear perforations for piercing the driven gear shafts of the inner and outer casing; The rack receiving groove of the short lower rack.
  • the upper cover of the toothbox includes a hollow curved arch body for accommodating the driving gear and the rotating shaft of the inner and outer passive gear, and ribs arranged in parallel at both ends of the curved arch body.
  • the driven gear includes a gear collar, and a plurality of teeth are installed on the periphery of the gear collar.
  • the driven gear is placed on the short lower rack and can move back and forth along the short lower rack, and the inner and outer driven gear shaft is placed inside the driven gear.
  • the driven gear structure includes a driven tooth box lower base, a driven tooth box middle seat installed on the driven tooth box lower base, and a driven tooth box middle seat installed on the driven tooth box middle seat.
  • the upper base of the moving tooth box is a central gear mechanism installed inside the middle seat of the driven tooth box and meshing with the upper rack and the long lower rack.
  • the upper rack is installed between the upper base of the driven tooth box and the middle seat of the driven tooth box
  • the long lower rack is installed between the lower base of the driven tooth box and the Between the middle seats of the driven tooth box.
  • the lower base of the driven tooth box includes a lower base plate, and a lower half rack accommodating groove provided on the lower base plate for accommodating the long lower rack is provided on the lower base plate
  • the upper base of the driven tooth box includes an upper base plate, which is provided on the upper base plate and is used for receiving the upper half rack accommodating groove of the upper part of the upper rack, and is provided on the upper base
  • a plurality of positioning posts on the board are arranged in the second connection notch holes on both sides of the upper base board.
  • the middle seat of the driven tooth box includes a middle seat body, and a middle seat provided on the upper part of the middle seat body for accommodating the upper rack and matingly connected with the upper half rack receiving groove
  • a transverse intermediate gear mechanism accommodating groove for accommodating the central gear mechanism is arranged in the interior of the intermediate seat and arranged transversely.
  • the present invention also provides an endoscope, which includes the aforementioned gear mechanism for controlling the snake-bone component.
  • the present invention includes a driving gear structure arranged on the other end of the rotating shaft of the inner and outer passive gear, at least two racks and a driven gear structure; one end of the rack is connected with the driving gear structure, and the other end of the rack is connected with the driven gear structure ; Between the upper rack and the other short lower rack is provided with a snap structure for quick connection and separation.
  • the rotation of the inner and outer rotating gear sets drives the inner and outer passive gear shaft to rotate
  • the inner and outer passive gear shaft drives the driving gear structure to rotate.
  • the driving gear structure drives the traction wire rope connected to the snake bone assembly through the driven gear structure to move, So as to control the left and right movement of the snake bone component.
  • the driving gear structure and the driven gear structure drive the traction wire rope to move, which is beneficial to improve the flexibility and control accuracy of the internal and external rotating gear set to control the snake bone component.
  • Figure 1 is a perspective view of the endoscope in the present invention
  • Figure 2 is a perspective view of the gear mechanism used to control the snake bone assembly in the present invention
  • Figure 3 is a three-dimensional exploded view of the driving gear structure of the present invention.
  • Figure 4 is a perspective exploded view of the driven gear structure of the present invention.
  • the gear mechanism 20 for controlling the snake-bone component is mainly used inside an endoscope 100.
  • the endoscope 100 includes a handle end 1, a flexible endoscope bending tube 2 connected to the handle end 1, and an insertion end 3 connected to the other end of the endoscope bending tube 2 for directly inserting into the human body.
  • the handle end 1 includes a handle shell, an inner and outer rotating gear set for controlling the traction wire rope arranged outside the handle shell, and a plurality of components arranged inside the handle shell.
  • the bending tube 2 of the endoscope 100 includes a bending tube body, a bending tube net sleeve installed on the periphery of the bending tube main body, and a net sleeve rubber installed on the outer surface of the curved tube net sleeve.
  • the insertion end 3 includes a camera module and a snake-bone component arranged at the lower end of the camera module.
  • the snake bone components include a plurality of endoscope snake bones, a snake bone net cover installed on the periphery of the endoscope snake bone, a snake bone rubber skin installed on the periphery of the snake bone net cover, and a snake bone rubber installed inside the plurality of endoscope snake bones. At least four traction ropes. One end of the four traction wire ropes is connected to the inside of the snake bone assembly, and the four traction wire ropes pass through the plurality of endoscope snake bones to the gear mechanism 20 inside the handle end 1.
  • the gear mechanism 20 includes an inner and outer passive gear shaft 4, an inner and outer rotating gear set 5 installed at one end of the inner and outer passive gear shaft 4, and a driving gear structure 6 provided on the other end of the inner and outer passive gear shaft 4, and at least two racks ,
  • the rack includes two short lower racks 8, a long lower rack 9, and an upper rack 10; it also includes a buckle structure 11 for connecting one of the short lower racks 8 and the long lower rack 9
  • the upper rack 10 is connected with another short lower rack; the two short lower racks 8 are connected with the driving gear structure 6, and the long lower rack 9 and the upper rack 10 are connected with the driven gear structure 7.
  • the buckle structure 11 is used to realize the connection and separation of the short lower rack 8 and the long lower rack 9.
  • the driving gear structure 6 includes a passive gear 60 connected to one end of the inner and outer passive gear shaft 4, a short lower rack 8 meshing with the passive gear 60, and a tooth box base 62 installed under the short lower rack 8 and installed in the tooth box The tooth box upper cover 63 at the upper end of the base 62.
  • the active tooth box base 62 includes a tooth box seat body 620, three baffles 621 arranged in parallel on the tooth box seat body 620, a positioning plate 622 arranged on the periphery of the baffle 621 on one side, and a stopper on the other side.
  • the tooth box upper cover 63 includes a hollow curved arch 630 for accommodating the driving gear and the rotating shaft of the inner and outer passive gear, and parallel ribs 631 respectively provided at both ends of the curved arch 630.
  • the passive gear 60 includes a gear collar 601, which is mounted on a plurality of teeth 602 on the periphery of the gear collar 601; the passive gear 60 is placed on the short lower rack 8 and can move back and forth along the short lower rack 8.
  • the inner and outer casing are passive
  • the gear shaft 4 is placed inside the driven gear 60.
  • the driven gear structure 7 includes a driven tooth box lower base 70, a driven tooth box middle seat 71 installed on the driven tooth box lower base 70, and a driven tooth box upper base installed on the driven tooth box middle seat 71 72.
  • a central gear mechanism 73 that is installed inside the middle seat 71 of the driven tooth box and meshes with the upper rack 10 and the long lower rack 9; the upper rack 10 is installed on the upper base 72 of the driven tooth box and the driven tooth box Between the middle seats 71, the long lower rack 9 is installed between the driven tooth box lower base 70 and the driven tooth box middle seat 71.
  • the lower base 70 of the driven tooth box includes a lower base plate 701, a lower half rack accommodating groove 702 for accommodating the long lower rack 9 provided on the lower base plate 701, and a plurality of second racks on both sides of the lower base plate 701.
  • the upper base 72 of the driven tooth box includes an upper base plate 720, an upper half rack accommodating groove 721 provided on the upper base plate 720 for receiving the upper part of the upper rack 10, and a plurality of positions provided on the upper base plate 720
  • the posts 723 are provided in the second connection notch holes 722 on both sides of the upper base plate 720.
  • the driven tooth box middle seat 71 includes a middle seat body 710, and a middle and upper half rack accommodating recess provided on the upper part of the middle seat 710 for accommodating the upper rack 10 and matingly connected with the upper half rack accommodating groove 721 Groove 711, a middle and lower half rack accommodating groove 712 that is provided in the lower part of the middle base body 710 for accommodating the long lower rack 9 and matedly connected with the upper half rack accommodating groove 721, is arranged inside the middle base body 710
  • the transverse intermediate gear mechanism accommodating groove 713 for accommodating the sun gear mechanism 73 is arranged transversely.
  • one end of the bending tube 2 of the endoscope 100 is connected with the handle end 1, and the other end of the bending tube 2 of the endoscope 100 is connected with the snake bone component, and the camera module is installed on the upper end of the snake bone component.
  • one end of the four traction wire ropes is connected to the first ring of the endoscope's snake bone, and the other end of the four traction wire ropes passes through the inner end of the endoscope 100's snake bone and passes through the endoscope 100 bending tube 2
  • one end of the upper rack 10 to the inside of the handle end 1 is connected, and one end of the long lower rack 9 is connected.
  • the inner and outer rotating gear set 5 rotates, the inner and outer rotating gear set 5 drives the inner and outer passive gear shaft 4 to rotate, the inner and outer passive gear shaft 4 drives the driving gear structure 6 to rotate, and the driving gear structure 6 drives the driven gear structure 7 to rotate
  • the driven gear structure 7 drives the traction wire rope connected with the upper rack 10 and the long lower rack 9 to move back and forth, and the traction wire rope drives the snake bone component to move left and right or back and forth.
  • the driving gear structure 6 and the driven gear structure 7 drive the traction wire rope to move, which is beneficial to improve the flexibility and control accuracy of the internal and external rotating gear set 5 to control the snake bone components.
  • the present invention includes a driving gear structure 6 arranged at the other end of the driven gear shaft 4 in the inner and outer casing, at least two racks, a driven gear structure 7; one end of the rack is connected to the driving gear structure 6, and the other end of the rack is connected to the slave
  • the movable gear structure 7 is connected; the upper rack 10 and the other short lower rack 8 are provided with a snap structure 11 for quick connection and separation.
  • the driving gear structure 6 drives the drive gear structure 6 through the driven gear structure 7 to connect with the snake bone assembly Pull the wire rope to move, so as to control the left and right movement of the snake bone component.
  • the driving gear structure 6 and the driven gear structure 7 drive the traction wire rope to move, which is beneficial to improve the flexibility and control accuracy of the internal and external rotating gear set 5 to control the snake bone components.

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Abstract

一种用于控制蛇骨组件的齿轮机构（20）及内窥镜（100），齿轮机构（20）包括内外套被动齿轮转轴（4）,主动齿轮结构（6）,至少两根齿条（8,9,10）,从动齿轮结构（7）。工作时，内外旋转齿轮组（5）转动带动内外套被动齿轮转轴（4）转动，内外套被动齿轮转轴（4）驱使主动齿轮结构（6）转动，主动齿轮结构（6）通过从动齿轮结构（7）带动与蛇骨组件连接的牵引钢丝绳移动，从而控制蛇骨组件的左右前后运动。在此过程中，通过主动齿轮结构（6）和从动齿轮结构（7）带动牵引钢丝绳移动，有利于提高内外旋转齿轮组（5）控制蛇骨组件的灵活性和控制精度。

Description

用于控制蛇骨组件的齿轮机构及内窥镜
本申请要求2019年1月29日递交、发明名称为“用于控制蛇骨组件的齿轮机构”的中国专利申请CN201910083567.2的优先权，在此通过引用将其全部内容合并于此。
技术领域
本发明涉及内窥镜技术领域，尤其是指一种用于控制蛇骨组件的齿轮机构及内窥镜。
背景技术
内窥镜是一种现有技术中常用的医疗器械。现有技术中内窥镜包括用于直接插入人体内部的插入端，与插入端连接的可随意弯曲的弯曲管，以及用于人工控制操作的手柄端。所述插入端包括摄像头模块,安装在摄像头模块上的蛇骨组件,安装在蛇骨组件内部的与摄像头模块连接的牵引钢丝绳；所述手柄端包括手柄外壳，安装在手柄外壳外围的内外旋转齿轮组，安装在手柄外壳内部的与内外旋转齿轮组连接的旋转机构。工作时，利用内外齿旋转轮组旋转驱动所述旋转机构旋转，该旋转机构通过牵引钢丝绳控制所述蛇骨组件活动。在此活动中，所述牵引钢丝绳与旋转机构之间产生摩擦力或容易松动，使得所述的内外旋转齿轮组不容易控制蛇骨组件活动，导致所述内外旋转齿轮组控制精度比较低。另外，此结构只能一次性使用，使用成本比较高。
发明内容
本发明的目的在于提供一种具有提高内外旋转齿轮组控制蛇骨组件灵活精度，能够使设于手柄端内部部件均能多次使用，降低使用成本的用于控制蛇骨组件的齿轮机构及内窥镜。
为解决上述技术问题，本发明提供一种用于控制蛇骨组件的齿轮机构，其包括内外套被动齿轮转轴，安装在所述内外套被动齿轮转轴一端的内外旋转齿轮组，还包括设于所述内外套被动齿轮转轴另一端的主动齿轮结构，至少两根齿条，从动齿轮结构；所述齿条一端与所述主动齿轮结构连接，所述齿条另一端与所述从动齿轮结构相连接。
可选地，所述齿条包括两根短下齿条，一根长下齿条，以及一根上齿条；还包括用于连接其中一根所述短下齿条与所述长下齿条的卡扣结构；所述上齿条与另一根所述短下齿条连接；两根所述短下齿条与所述主动齿轮结构相连接，所述长下齿条及所述上齿条与所述从动齿轮结构相连接。
可选地，所述主动齿轮结构包括与所述内外套被动齿轮转轴一端连接且与所述短下齿 条相啮合的被动齿轮，安装在所述短下齿条下面的牙箱底座，安装在所述牙箱底座上端的牙箱上盖。
可选地，所述牙箱底座包括牙箱座主体，设于所述牙箱座主体上面三块平行设置的挡板，设于一侧的所述挡板外围的定位板，设于另一侧的所述挡板上的穿孔定位板。
可选地，所述定位板内设有定位孔，所述穿孔定位板内部设有用于穿设所述内外套被动齿轮转轴的被动齿轮穿孔；三块所述挡板相互形成两个用于收容所述短下齿条的齿条收容凹槽。
可选地，所述牙箱上盖包括用于收容所述主动齿轮和所述内外套被动齿轮转轴且内部为空心的弯拱体，分别设于弯拱体两端的平行设置的肋板。
可选地，所述被动齿轮包括齿轮套环，安装在所述齿轮套环外围的复数个齿部。
可选地，所述被动齿轮置于所述短下齿条上面，并可沿着所述短下齿条上面来回移动，所述内外套被动齿轮转轴置于所述被动齿轮内部。
可选地，所述从动齿轮结构包括从动牙箱下底座，安装在所述从动牙箱下底座上的从动牙箱中间座，安装在所述从动牙箱中间座上的从动牙箱上底座，安装在所述从动牙箱中间座内部的并与所述上齿条、长下齿条相啮合的中心齿轮机构。
可选地，所述上齿条安装在所述从动牙箱上底座与所述从动牙箱中间座之间，所述长下齿条安装在所述从动牙箱下底座与所述从动牙箱中间座之间。
可选地，所述从动牙箱下底座包括下底座板，设于所述下底座板上面的用于收容所述长下齿条的下半齿条收容槽，设于所述下底座板两侧的复数个第一连接缺口孔，设于所述下底座板内部的复数个定位固定孔，设于所述下底座板一端两侧的用于支撑抵靠所述中心齿轮机构两端的支撑板。
可选地，所述从动牙箱上底座包括上底座板，设于所述上底座板上用于收容所述上齿条上部分的上半齿条收容凹槽，设于所述上底座板上的复数个定位柱，设于所述上底座板两侧的第二连接缺口孔。
可选地，所述从动牙箱中间座包括中间座体，设于所述中间座体上部的用于收容所述上齿条且与所述上半齿条收容凹槽相互配合连接的中上半齿条收容凹槽，设于所述中间座体下部的用于收容所述长下齿条的且与所述下半齿条收容凹槽配合连接的中下半齿条收容凹槽，设于所述中间座体内部且横向设置的用于收容所述中心齿轮机构的横向中间齿轮机构收容凹槽。
本发明还提供一种内窥镜，其包括上述的用于控制蛇骨组件的齿轮机构。
本申请的实施例提供的技术方案可以包括以下有益效果：
本发明包括设于内外套被动齿轮转轴另一端的主动齿轮结构,至少两根齿条，从动齿轮结构；所述齿条一端与主动齿轮结构连接,齿条另一端与从动齿轮结构相连接；上齿条与另一根短下齿条之间设有用于快速连接和分离的卡扣结构。工作时，内外旋转齿轮组转动带动内外套被动齿轮转轴转动，该内外套被动齿轮转轴驱使所述主动齿轮结构转动，该主动齿轮结构通过从动齿轮结构带动与蛇骨组件连接的牵引钢丝绳移动，从而控制蛇骨组件的左右前后运动。在此过程中，通过主动齿轮结构和从动齿轮结构带动牵引钢丝绳移动，有利于提高内外旋转齿轮组控制蛇骨组件的灵活性和控制精度。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性的，并不能限制本申请。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并于说明书一起用于解释本申请的原理。
图1为本发明中内窥镜的立体图；
图2为本发明中用于控制蛇骨组件的齿轮机构的立体图；
图3为本发明中主动齿轮结构的立体分解图；
图4为本发明中从动齿轮结构的立体分解图。
通过上述附图，已示出本申请明确的实施例，后文中将有更详细的描述，这些附图和文字描述并不是为了通过任何方式限制本申请构思的范围，而是通过参考特定实施例为本领域技术人员说明本申请的概念。
具体实施方式
尽管本发明可以容易地表现为不同形式的实施例，但在附图中示出并且在本说明书中将详细说明的仅仅是其中一些具体实施例，同时可以理解的是本说明书应视为是本发明原理的示范性说明，而并非旨在将本发明限制到在此所说明的那样。
由此，本说明书中所指出的一个特征将用于说明本发明的一个实施例的其中一个特征，而不是暗示本发明的每个实施例必须具有所说明的特征。此外，应当注意的是本说明书描述了许多特征。尽管某些特征可以组合在一起以示出可能的系统设计，但是这些特征也可用于其他的未明确说明的组合。由此，除非另有说明，所说明的组合并非旨在限制。
为了进一步说明本发明的原理和结构，现结合附图对本发明的优选实施例进行详细说明。
请参考图1至图4所示，下面结合实施例说明一种用于控制蛇骨组件的齿轮机构20，该用于控制蛇骨组件的齿轮机构主要使用在一种内窥镜100内部，此内窥镜100包括手柄端1，与手柄端1连接可随意弯曲的内窥镜弯曲管2，与内窥镜弯曲管2另一端连接的用于直接插入人体内部的插入端3。手柄端1包括手柄外壳，设于手柄外壳外面的用于控制牵引钢丝绳的内外旋转齿轮组，以及设于手柄外壳内部的复数种零部件。内窥镜100弯曲管2包括弯曲管主体，安装在弯曲管主体外围的弯曲管网套，安装在弯曲管网套外表面的网套胶皮。插入端3包括摄像头模组，设于摄像头模组下端的蛇骨组件。蛇骨组件包括复数个内窥镜蛇骨，安装在内窥镜蛇骨外围的蛇骨网套，安装在蛇骨网套外围的蛇骨胶皮，以及安装在复数个内窥镜蛇骨内部的至少四根牵引钢丝绳。四根牵引钢丝绳一端与蛇骨组件内部连接，四根牵引钢丝绳穿过复数个内窥镜蛇骨，至手柄端1内部的齿轮机构20。
齿轮机构20包括内外套被动齿轮转轴4,安装在内外套被动齿轮转轴4一端的内外旋转齿轮组5,还包括设于内外套被动齿轮转轴4另一端的主动齿轮结构6,至少两根齿条，从动齿轮结构7；齿条一端与主动齿轮结构6连接,齿条另一端与从动齿轮结构7相连接。
齿条包括两根短下齿条8，一根长下齿条9，以及一根上齿条10；还包括用于连接其中一根短下齿条8与长下齿条9的卡扣结构11；上齿条10与另一根短下齿条连接；两根短下齿条8与主动齿轮结构6相连接，长下齿条9及上齿条10与从动齿轮结构7相连接。卡扣结构11用于实现短下齿条8与长下齿条9的连接和分离。
主动齿轮结构6包括与内外套被动齿轮转轴4一端连接的被动齿轮60，与被动齿轮60相互啮合的短下齿条8，安装在短下齿条8下面的牙箱底座62，安装在牙箱底座62上端的牙箱上盖63。
主动牙箱底座62包括牙箱座主体620,设于牙箱座主体620上面三块平行设置的挡板621,设于一侧的挡板621外围的定位板622,设于另一侧的挡板621上的穿孔定位板623；定位板622内设有定位孔624，穿孔定位板623内部设有用于穿设内外套被动齿轮转轴4的被动齿轮穿孔625；挡板621与挡板621相互形成两个用于收容被动齿条的齿条收容凹槽626。
牙箱上盖63包括用于收容主动齿轮和内外套被动齿轮转轴的内部为空心的弯拱体630，分别设于弯拱体630两端的平行设置的肋板631。
被动齿轮60包括齿轮套环601，安装在齿轮套环601外围的复数个齿部602；被动齿轮60置于短下齿条8上面，可沿着短下齿条8上面来回移动，内外套被动齿轮转轴4置于被动齿轮60内部。从动齿轮结构7包括从动牙箱下底座70，安装在从动牙箱下底座70 上的从动牙箱中间座71，安装在从动牙箱中间座71上的从动牙箱上底座72，安装在从动牙箱中间座71内部的与上齿条10、长下齿条9相啮合的中心齿轮机构73；上齿条10安装在从动牙箱上底座72与从动牙箱中间座71之间，长下齿条9安装在从动牙箱下底座70与从动牙箱中间座71之间。
从动牙箱下底座70包括下底座板701,设于下底座板701上面的用于收容长下齿条9的下半齿条收容槽702,设于下底座板701两侧的复数个第一连接缺口孔703,设于下底座板701内部的复数个定位固定孔704，设于下底座板701一端两侧的用于支撑抵靠中心齿轮机构73两端的支撑板705。
从动牙箱上底座72包括上底座板720，设于上底座板720上用于收容上齿条10上部分的上半齿条收容凹槽721，设于上底座板720上的复数个定位柱723，设于上底座板720两侧的第二连接缺口孔722。
从动牙箱中间座71包括中间座体710，设于中间座体710上部的用于收容上齿条10的且与上半齿条收容凹槽721相互配合连接的中上半齿条收容凹槽711，设于中间座体710下部的用于收容长下齿条9的且与上半齿条收容凹槽721配合连接的中下半齿条收容凹槽712，设于中间座体710内部的横向设置的用于收容中心齿轮机构73的横向中间齿轮机构收容凹槽713。
安装时，内窥镜100弯曲管2一端与手柄端1连接，而内窥镜100弯曲管2另一端与蛇骨组件连接一起，摄像头模组安装在蛇骨组件上端。在内窥镜100弯曲管2内部，四根牵引钢丝绳的一端与内窥镜蛇骨的首环连接，四根牵引钢丝绳另一端穿过内窥镜100蛇骨内部，经过内窥镜100弯曲管2内部，至手柄端1内部的上齿条10一端连接，和长下齿条9一端连接。
工作时，内外旋转齿轮组5转动，该内外旋转齿轮组5带动内外套被动齿轮转轴4转动，该内外套被动齿轮转轴4驱使主动齿轮结构6转动，主动齿轮结构6带动从动齿轮结构7转动，该从动齿轮结构7带动与上齿条10和长下齿条9连接的牵引钢丝绳来回移动，该牵引钢丝绳带动蛇骨组件做左右或前后运动。在此过程中，通过主动齿轮结构6和从动齿轮结构7带动牵引钢丝绳移动，有利于提高内外旋转齿轮组5控制蛇骨组件的灵活性和控制精度。
综上，本发明包括设于内外套被动齿轮转轴4另一端的主动齿轮结构6,至少两根齿条，从动齿轮结构7；齿条一端与主动齿轮结构6连接,齿条另一端与从动齿轮结构7相连接；上齿条10与另一根短下齿条8之间设有用于快速连接和分离的卡扣结构11。工作时，内 外旋转齿轮组5转动带动内外套被动齿轮转轴4转动，该内外套被动齿轮转轴4驱使主动齿轮结构6转动，该主动齿轮结构6通过从动齿轮结构7带动与蛇骨组件连接的牵引钢丝绳移动，从而控制蛇骨组件的左右前后运动。在此过程中，通过主动齿轮结构6和从动齿轮结构7带动牵引钢丝绳移动，有利于提高内外旋转齿轮组5控制蛇骨组件的灵活性和控制精度。
虽然已参照几个典型实施方式描述了本发明，但应当理解，所用的术语是说明和示例性、而非限制性的术语。由于本发明能够以多种形式具体实施而不脱离发明的精神或实质，所以应当理解，上述实施方式不限于任何前述的细节，而应在随附权利要求所限定的精神和范围内广泛地解释，因此落入权利要求或其等效范围内的全部变化和改型都应为随附权利要求所涵盖。

Claims (14)

  1. 一种用于控制蛇骨组件的齿轮机构，其包括内外套被动齿轮转轴，安装在所述内外套被动齿轮转轴一端的内外旋转齿轮组，其特征在于，还包括设于所述内外套被动齿轮转轴另一端的主动齿轮结构，至少两根齿条，从动齿轮结构；所述齿条一端与所述主动齿轮结构连接，所述齿条另一端与所述从动齿轮结构相连接。
  2. 根据权利要求1所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述齿条包括两根短下齿条，一根长下齿条，以及一根上齿条；还包括用于连接其中一根所述短下齿条与所述长下齿条的卡扣结构；所述上齿条与另一根所述短下齿条连接；两根所述短下齿条与所述主动齿轮结构相连接，所述长下齿条及所述上齿条与所述从动齿轮结构相连接。
  3. 根据权利要求2所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述主动齿轮结构包括与所述内外套被动齿轮转轴一端连接且与所述短下齿条相啮合的被动齿轮，安装在所述短下齿条下面的牙箱底座，安装在所述牙箱底座上端的牙箱上盖。
  4. 根据权利要求3所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述牙箱底座包括牙箱座主体，设于所述牙箱座主体上面三块平行设置的挡板，设于一侧的所述挡板外围的定位板，设于另一侧的所述挡板上的穿孔定位板。
  5. 根据权利要求4所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述定位板内设有定位孔，所述穿孔定位板内部设有用于穿设所述内外套被动齿轮转轴的被动齿轮穿孔；三块所述挡板相互形成两个用于收容所述短下齿条的齿条收容凹槽。
  6. 根据权利要求3所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述牙箱上盖包括用于收容所述主动齿轮和所述内外套被动齿轮转轴且内部为空心的弯拱体，分别设于弯拱体两端的平行设置的肋板。
  7. 根据权利要求3所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述被动齿轮包括齿轮套环，安装在所述齿轮套环外围的复数个齿部。
  8. 根据权利要求3所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述被动齿轮置于所述短下齿条上面，并可沿着所述短下齿条上面来回移动，所述内外套被动齿轮转轴置于所述被动齿轮内部。
  9. 根据权利要求2所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述从动齿轮结构包括从动牙箱下底座，安装在所述从动牙箱下底座上的从动牙箱中间座，安装在所述从动牙箱中间座上的从动牙箱上底座，安装在所述从动牙箱中间座内部的并与所述上齿条、长下齿条相啮合的中心齿轮机构。
  10. 根据权利要求9所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述上齿条安装在所述从动牙箱上底座与所述从动牙箱中间座之间，所述长下齿条安装在所述从动牙箱下底座与所述从动牙箱中间座之间。
  11. 根据权利要求9所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述从动牙箱下底座包括下底座板，设于所述下底座板上面的用于收容所述长下齿条的下半齿条收容槽，设于所述下底座板两侧的复数个第一连接缺口孔，设于所述下底座板内部的复数个定位固定孔，设于所述下底座板一端两侧的用于支撑抵靠所述中心齿轮机构两端的支撑板。
  12. 根据权利要求11所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述从动牙箱上底座包括上底座板，设于所述上底座板上用于收容所述上齿条上部分的上半齿条收容凹槽，设于所述上底座板上的复数个定位柱，设于所述上底座板两侧的第二连接缺口孔。
  13. 根据权利要求12所述的用于控制蛇骨组件的齿轮机构，其特征在于，所述从动牙箱中间座包括中间座体，设于所述中间座体上部的用于收容所述上齿条且与所述上半齿条收容凹槽相互配合连接的中上半齿条收容凹槽，设于所述中间座体下部的用于收容所述长下齿条的且与所述下半齿条收容凹槽配合连接的中下半齿条收容凹槽，设于所述中间座体内部且横向设置的用于收容所述中心齿轮机构的横向中间齿轮机构收容凹槽。
  14. 一种内窥镜，其特征在于，包括如权利要求1-13任意一项所述的用于控制蛇骨组件的齿轮机构。
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CN113974529A (zh) * 2021-11-10 2022-01-28 珠海市司迈科技有限公司 一种用于内窥镜的操控部及其内窥镜

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