CN104840172B - The snake bone device of endoscope - Google Patents
The snake bone device of endoscope Download PDFInfo
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- CN104840172B CN104840172B CN201510207431.XA CN201510207431A CN104840172B CN 104840172 B CN104840172 B CN 104840172B CN 201510207431 A CN201510207431 A CN 201510207431A CN 104840172 B CN104840172 B CN 104840172B
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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
- A61B1/008—Articulations
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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
- A61B1/00064—Constructional details of the endoscope body
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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
- A61B1/00112—Connection or coupling means
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
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Abstract
The present invention relates to the snake bone device of a kind of endoscope, including pitch circle in pitch circle, several snake bone after pitch circle, snake bone before snake bone and connection bearing pin thereof；Before snake bone, after pitch circle, snake bone, pitch circle is respectively equipped with the rear portion engaging lug with connecting shaft hole, anterior engaging lug；In snake bone, pitch circle is provided with first and second engaging lug with connecting shaft hole；Being additionally provided with the card dress gap connected with the first connecting shaft hole on first engaging lug, in a snake bone, the first engaging lug of pitch circle is connected with the second engaging lug of pitch circle in another snake bone by connecting bearing pin；Anterior engaging lug is provided with the anterior card dress gap connected with anterior connecting shaft hole；Rear portion engaging lug is connected with the first engaging lug of pitch circle in snake bone by connecting bearing pin, and anterior engaging lug is connected with the second engaging lug of pitch circle in snake bone by connecting bearing pin；Before snake bone, pitch circle is equipped with axial Wire channel in building with in several snake bone on the medial wall of pitch circle.The present invention need not rivet, be easy to be equipped with, and production efficiency is high.
Description
Technical field
The present invention relates to a kind of snake bone device, be specifically related to a kind of snake bone device for medical flexible pipe scope and industry soft tube scope.
Background technology
Existing endoscope, when angle of bend realizes head-bent break-in, is all that the method for the steel wire rope being connected with snake bone by tractive by built-in snake bone makes it bend.And the snake bone in prior art includes before snake bone in pitch circle, snake bone pitch circle after pitch circle and snake bone, and before snake bone in pitch circle, snake bone after pitch circle and snake bone pitch circle connected by closing-up successively, connected mode due to this closing-up, following defect easily occurs, such as, first, riveting frock is not excessive at same axis or riveting strength with the axle center of rivet, will result in riveted joint place of pitch circle in snake bone and deforms；The second, in riveting process, if riveting pressure is excessive, then surface of the work is easily subject to damage or causes rivet deformation or the situation of manufactured head appearance cracking occur；3rd, the workpiece after riveted joint easily occurs that riveted joint is not in place, or riveted joint not firmly phenomenon；Therefore, the riveting process skill of workman is required higher so that production efficiency is low, and it is easier that the underproof situation of riveting quality occurs, sometimes there is also the phenomenon that rivet comes off, cause that final finished defect is many, scrappage is high, thus make production cost also higher.
Summary of the invention
It is an object of the invention to: provide one need not rivet, be easy to be equipped with, and production efficiency is high, and reduce the snake bone device of the endoscope of production cost, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical scheme is that the snake bone device of a kind of endoscope, including pitch circle after pitch circle, snake bone before snake bone, be connected to snake bone before pitch circle and connect bearing pin in several snake bone between pitch circle after pitch circle and snake bone；Before described snake bone, one end of pitch circle is provided with rear portion engaging lug, and rear portion engaging lug is provided with rear portion connecting shaft hole；In each snake bone, pitch circle is respectively arranged at two ends with the first engaging lug and the second engaging lug, described first engaging lug is provided with the first connecting shaft hole, described second engaging lug is provided with the second connecting shaft hole, the lateral surface of described second engaging lug is relative with the medial surface of the first engaging lug of pitch circle in adjacent snake bone, and the aperture of the second connecting shaft hole is more than the aperture of the first connecting shaft hole；After described snake bone, one end of pitch circle is provided with anterior engaging lug, and anterior engaging lug is provided with anterior connecting shaft hole；Its innovative point is in that:
A, described connection bearing pin include one and the first coaxial stop nose, enlarged diameter section, reduced diameter section and the second stop nose each other；
Being additionally provided with the card dress gap connected with the first connecting shaft hole in b, described snake bone on first engaging lug of pitch circle, in a snake bone, the first engaging lug of pitch circle is connected with the second engaging lug of pitch circle in another snake bone by connecting bearing pin；
The anterior engaging lug of pitch circle is additionally provided with after c, described snake bone the anterior card dress gap connected with anterior connecting shaft hole；
Before d, described snake bone, the rear portion engaging lug of pitch circle is connected with the first engaging lug of pitch circle in adjacent snake bone by connecting bearing pin, and after snake bone, the anterior engaging lug of pitch circle is connected with the second engaging lug of pitch circle in adjacent snake bone by connecting bearing pin；
Before e, described snake bone, pitch circle and several snake bone are equipped with axial Wire channel in building on the medial wall of pitch circle.
In technique scheme, second engaging lug of pitch circle in described connection bearing pin one snake bone of traverse, and second second connecting shaft hole of engaging lug corresponding with enlarged diameter section, the end face of described first stop nose and the inwall of the second engaging lug offset, in another snake bone, the first connecting shaft hole of the first engaging lug of pitch circle is corresponding with reduced diameter section, and the outer wall of the end face of the second stop nose and the first engaging lug offsets.
In technique scheme, in described snake bone, the first engaging lug of pitch circle is provided with card dress gap along its axial direction, and after described snake bone, the anterior engaging lug of pitch circle is provided with anterior card dress gap along its axial direction.
In technique scheme, in described snake bone pitch circle the first engaging lug and after snake bone the anterior engaging lug of pitch circle be equipped with by its root and corresponding block dress gap and anterior card fills the arc technique gap of the symmetrical layout of gap.
In technique scheme, described snake bone all has on the medial wall of pitch circle before pitch circle and snake bone the arc wire-blocking board with its one each other, and the cavity surrounded between the sidewall of pitch circle between the sidewall of pitch circle and before arc wire-blocking board and snake bone in arc wire-blocking board and snake bone forms axial Wire channel in building.
In technique scheme, the radial width of the anterior card dress gap of the card dress gap of the first engaging lug of pitch circle in described snake bone and the anterior engaging lug of pitch circle after snake bone is 0.1mm～0.8mm.
In technique scheme, the width of described arc technique gap is 0.3mm～1.5mm.
In technique scheme, in described snake bone, two first engaging lugs at pitch circle two ends and two the second engaging lugs are all uniformly distributed, described first engaging lug and the second engaging lug are all plate armatures, and the distance between the medial surface of two the first engaging lugs is more than or equal to the distance between the lateral surface of two the second engaging lugs.
In technique scheme, pitch circle and several snake bone are equipped with on the medial wall of pitch circle before described snake bone two evenly distributed axial Wire channel in building, and the position of each axial Wire channel in building and the first engaging lug be staggeredly located 90 °.
In technique scheme, in described snake bone, the first engaging lug of pitch circle and the second engaging lug are all plate armatures, and first engaging lug and the second engaging lug respectively in two axial planes parallel to each other, or the first engaging lug and the second engaging lug are respectively in two mutually perpendicular axial planes.
The method have the advantages that: owing to the first engaging lug of pitch circle in described snake bone being additionally provided with the card dress gap connected with the first connecting shaft hole, the anterior engaging lug of pitch circle is additionally provided with after described snake bone the anterior card dress gap connected with anterior connecting shaft hole；In snake bone the first engaging lug of pitch circle and the second engaging lug be respectively either directly through connect bearing pin and the corresponding engaging lug of pitch circle in the rear portion engaging lug of pitch circle, snake bone before adjacent snake bone and after snake bone the anterior engaging lug of pitch circle be connected, connect without by closing-up, therefore, it is easy to be equipped with, and does not have the underproof situation of riveting quality, without the phenomenon occurring that rivet comes off, make production efficiency high, the assembling quality of final products is good, and meanwhile, production cost is relatively low；Again owing to pitch circle and several snake bone before described snake bone being equipped with axial Wire channel in building on the medial wall of pitch circle, therefore, it is simple to assemble with haulage cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention of the present invention；
Fig. 2 is the A-A cross-sectional schematic of Fig. 1；
Fig. 3 is the B-B cross-sectional schematic of Fig. 1；
Fig. 4 is the C portion enlarged diagram of Fig. 2；
Fig. 5 is the structural representation of pitch circle in snake bone；
Fig. 6 is the D-D cross-sectional schematic of Fig. 5；
Fig. 7 is the structural representation of pitch circle after snake bone；
Fig. 8 is the E-E cross-sectional schematic of Fig. 7.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that provides, the present invention is further illustrated, but is not limited thereto.
As shown in Fig. 1,2,3,4,5,6,7,8, the snake bone device of a kind of endoscope, including pitch circle 3 after pitch circle before snake bone 1, snake bone, be connected to snake bone before pitch circle 2 and connect bearing pin 4 in several snake bone between pitch circle 3 after pitch circle 1 and snake bone；Before described snake bone, one end of pitch circle 1 is provided with rear portion engaging lug 1-1, and rear portion engaging lug 1-1 is provided with rear portion connecting shaft hole 1-1-1；In each snake bone, pitch circle 2 is respectively arranged at two ends with the first engaging lug 2-1 and the second engaging lug 2-2, described first engaging lug 2-1 is provided with the first connecting shaft hole 2-1-2, described second engaging lug 2-2 is provided with the second connecting shaft hole 2-2-1, the lateral surface of described second engaging lug 2-2 is relative with the medial surface of the first engaging lug 2-1 of pitch circle 2 in adjacent snake bone, and the aperture that the aperture of the second connecting shaft hole 2-2-1 is more than the first connecting shaft hole 2-1-2；After described snake bone, one end of pitch circle 3 is provided with anterior engaging lug 3-1, and anterior engaging lug 3-1 is provided with anterior connecting shaft hole 3-1-2；
A, described connection bearing pin 4 include one and the first coaxial stop nose 4-1, enlarged diameter section 4-2, reduced diameter section 4-3 and the second stop nose 4-4 each other；
Being additionally provided with on first engaging lug 2-1 of pitch circle 2 in b, described snake bone and fill gap 2-1-1 with the first connecting shaft hole 2-1-2 card connected, in a snake bone, the first engaging lug 2-1 of pitch circle 2 is connected with the second engaging lug 2-2 of pitch circle 2 in another snake bone by connecting bearing pin 4；
The anterior engaging lug 3-1 of pitch circle 3 is additionally provided with after c, described snake bone the anterior card dress gap 3-1-1 connected with anterior connecting shaft hole 3-1-2；
Before d, described snake bone, the rear portion engaging lug 1-1 of pitch circle 1 is connected with the first engaging lug 2-1 of pitch circle 2 in adjacent snake bone by connecting bearing pin 4, and after snake bone, the anterior engaging lug 3-1 of pitch circle 3 is connected with the second engaging lug 2-2 of pitch circle 2 in adjacent snake bone by connecting bearing pin 4；
Before e, described snake bone, pitch circle 1 and several snake bone are equipped with axial Wire channel in building 5 on the medial wall of pitch circle 2.
As shown in Figure 2, for the ease of equipped, second engaging lug 2-2 of pitch circle 2 in described connection bearing pin 4 one snake bone of traverse, and second the second connecting shaft hole 2-2-1 of engaging lug 2-2 corresponding with enlarged diameter section 4-2, the end face of described first stop nose 4-1 and the inwall of the second engaging lug 2-2 offset, in another snake bone, the first connecting shaft hole 2-1-2 of the first engaging lug 2-1 of pitch circle 2 is corresponding with reduced diameter section 4-3, and the outer wall of the end face of the second stop nose 4-4 and the first engaging lug 2-1 offsets.
As shown in Figure 2,4, the rear portion engaging lug 1-1 of pitch circle 1 before described connection bearing pin 4 traverse snake bone, and the anterior connecting shaft hole 1-1-1 of rear portion engaging lug 1-1 is corresponding with enlarged diameter section 4-2, the inwall of the end face of described first stop nose 4-1 and rear portion engaging lug 1-1 offsets, in adjacent snake bone, the first connecting shaft hole 2-1-2 of the first engaging lug 2-1 of pitch circle 2 is corresponding with reduced diameter section 4-3, and the outer wall of the end face of the second stop nose 4-4 and the first engaging lug 2-1 offsets.
In order to the rotation angle range of the snake bone after improving assembly precision, using flexibly and assemble is big, in described snake bone, the first engaging lug 2-1 of pitch circle 2 is provided with card dress gap 2-1-1(as shown in Figure 5 along its axial direction), after described snake bone, the anterior engaging lug 3-1 of pitch circle 3 is provided with anterior card dress gap 3-1-1(as shown in Figure 7 along its axial direction).
Such as Fig. 5, shown in 7, in order to reduce manufacturing procedure, be easy to be equipped with, in described snake bone pitch circle 2 the first engaging lug 2-1 and after snake bone the anterior engaging lug 3-1 of pitch circle 3 be equipped with by its root and corresponding block dress gap 2-1-1 and anterior card fills the arc technique gap 6 of the symmetrical layout of gap 3-1-1.
As shown in Figure 3, for the ease of processing, described snake bone all has on the medial wall of pitch circle 1 before pitch circle 2 and snake bone the arc wire-blocking board 7 with its one each other, and the cavity surrounded between the sidewall of pitch circle 1 between the sidewall of pitch circle 2 and before arc wire-blocking board 7 and snake bone in arc wire-blocking board 7 and snake bone forms axial Wire channel in building 5.Namely two technique openings of cutting on the sidewall of pitch circle 1 before pitch circle 2 and snake bone in snake bone, then carry out punching press to the arc strip wall of the technique opening part of pitch circle 1 before pitch circle in snake bone 2 and snake bone respectively again and can form arc wire-blocking board 7.
So that present configuration is more reasonable, and being easy to assembling, the radial width of the anterior card dress gap 3-1-1 of the card dress gap 2-1-1 of the first engaging lug 2-1 of pitch circle 2 in described snake bone and the anterior engaging lug 3-1 of pitch circle 3 after snake bone is 0.1mm～0.8mm.The width of described arc technique gap 6 is 0.3mm～1.5mm.
As shown in Figure 6, in order to ensure that the snake bone stationarity when up and down or left and right rotates is good, in described snake bone, two first engaging lug 2-1 and two the second engaging lug 2-2 at pitch circle 2 two ends are uniformly distributed, described first engaging lug 1-1 and the second engaging lug 1-2 is all plate armature, and the distance between the lateral surface that the distance between the medial surface of two the first engaging lug 1-1 is more than or equal to two the second engaging lug 1-2.
As shown in Figure 3, for the ease of assembling with haulage cable, pitch circle 1 and several snake bone are equipped with on the medial wall of pitch circle 2 before described snake bone 2 evenly distributed axial Wire channel in building 5, and the position of each axial Wire channel in building 5 and the first engaging lug 2-1 be staggeredly located 90 °.
As shown in Figure 5,6, for the ease of assembling and rotation, in described snake bone, the first engaging lug 2-1 and the second engaging lug 2-2 of pitch circle 2 are all plate armatures, and first engaging lug 2-1 and the second engaging lug 2-2 respectively in two axial planes parallel to each other, pitch circle 2 in such snake bone, the snake bone being mounted to can rotate in the two directions.Or, it can also be pitch circle 2 in alternative snake bone, namely described first engaging lug 2-1 and the second engaging lug 2-2 is all plate armature, and first engaging lug 2-1 and the second engaging lug 2-2 respectively in two mutually perpendicular axial planes, pitch circle 2 in this alternative snake bone, the snake bone being mounted to can rotate on four direction.
When the present invention assembles:
1., the rear portion engaging lug 1-1 of pitch circle before snake bone 1 is inserted in snake bone inside the first engaging lug 2-1 of pitch circle 2, and make the first connecting shaft hole 2-1-2 of the rear portion connecting shaft hole 1-1-1 and the first engaging lug 2-1 of rear portion engaging lug 1-1 corresponding；
null②、The second stop nose 4-4 one end connecting bearing pin 4 is outwards installed from the rear portion connecting shaft hole 1-1-1 of pitch circle 1 rear portion engaging lug 1-1 before snake bone，Utilize location mandril to the first stop nose 4-1 position extruding connecting bearing pin 4 in the rear portion connecting shaft hole 1-1-1 of pitch circle before snake bone 1 simultaneously，The first stop nose 4-1 one end making connection bearing pin 4 is forced outwardly，Then withstand and extrude the first engaging lug 2-1 of pitch circle 2 in snake bone with the end of the extruded rod with axis hole，Make the card dress gap 2-1-1 spreading of the first engaging lug 2-1 of pitch circle 2 in snake bone to second stop nose 4-4 one end of connection bearing pin 4 through the first connecting shaft hole 2-1-2 of pitch circle 2 in snake bone，The inwall of the first stop nose 4-1 end face and rear portion engaging lug 1-1 that now connect bearing pin 4 offsets，The reduced diameter section 4-3 connecting bearing pin 4 is contained in the first connecting shaft hole 2-1-2 of pitch circle 2 in snake bone just，Card dress gap 2-1-1 resets；
3., pitch circle in pitch circle, snake bone in all the other snake bone is become final snake bone device by same step with pitch circle assembly connection after snake bone.
The present invention assembles by connecting bearing pin 4 so that assemble very convenient reliably, and do not have the underproof situation of riveting quality, without the phenomenon occurring that rivet comes off so that production efficiency is high, and the assembling quality of final products is good, meanwhile, production cost is relatively low.
When the present invention uses, two haulage cables are each passed through before snake bone in pitch circle 1 and snake bone two Wire channel in building 5 of pitch circle 2, and are connected fixing with pitch circle before snake bone 1 respectively for one end of two steel wire ropes.
Claims (10)
1. a snake bone device for endoscope, including pitch circle (3) after pitch circle before snake bone (1), snake bone, be connected to snake bone before pitch circle (2) and connect bearing pin (4) in several snake bone between pitch circle (3) after pitch circle (1) and snake bone；Before described snake bone, one end of pitch circle (1) is provided with rear portion engaging lug (1-1), and rear portion engaging lug (1-1) is provided with rear portion connecting shaft hole (1-1-1)；In each snake bone, pitch circle (2) is respectively arranged at two ends with the first engaging lug (2-1) and the second engaging lug (2-2), described first engaging lug (2-1) is provided with the first connecting shaft hole (2-1-2), described second engaging lug (2-2) is provided with the second connecting shaft hole (2-2-1), the lateral surface of described second engaging lug (2-2) is relative with the medial surface of first engaging lug (2-1) of pitch circle (2) in adjacent snake bone, and the aperture that the aperture of the second connecting shaft hole (2-2-1) is more than the first connecting shaft hole (2-1-2)；After described snake bone, one end of pitch circle (3) is provided with anterior engaging lug (3-1), and anterior engaging lug (3-1) is provided with anterior connecting shaft hole (3-1-2)；It is characterized in that:
A, described connection bearing pin (4) include one and coaxial the first stop nose (4-1), enlarged diameter section (4-2), reduced diameter section (4-3) and the second stop nose (4-4) each other；
Being additionally provided with card dress gap (2-1-1) connected with the first connecting shaft hole (2-1-2) in b, described snake bone on first engaging lug (2-1) of pitch circle (2), in a snake bone, first engaging lug (2-1) of pitch circle (2) is connected with second engaging lug (2-2) of pitch circle (2) in another snake bone by connecting bearing pin (4)；
The anterior engaging lug (3-1) of pitch circle (3) is additionally provided with after c, described snake bone anterior card dress gap (3-1-1) connected with anterior connecting shaft hole (3-1-2)；
Before d, described snake bone, the rear portion engaging lug (1-1) of pitch circle (1) is connected with first engaging lug (2-1) of pitch circle (2) in adjacent snake bone by connecting bearing pin (4), and after snake bone, the anterior engaging lug (3-1) of pitch circle (3) is connected with second engaging lug (2-2) of pitch circle (2) in adjacent snake bone by connecting bearing pin (4)；
Before e, described snake bone, pitch circle (1) and several snake bone are equipped with axial Wire channel in building (5) on the medial wall of pitch circle (2).
2. the snake bone device of endoscope according to claim 1, it is characterized in that: second engaging lug (2-2) of pitch circle (2) in described connection bearing pin (4) one snake bone of traverse, and second second connecting shaft hole (2-2-1) of engaging lug (2-2) corresponding with enlarged diameter section (4-2), the end face of described first stop nose (4-1) and the inwall of the second engaging lug (2-2) offset, in another snake bone, first connecting shaft hole (2-1-2) of first engaging lug (2-1) of pitch circle (2) is corresponding with reduced diameter section (4-3), and second stop nose (4-4) end face and the outer wall of the first engaging lug (2-1) offset.
3. the snake bone device of endoscope according to claim 1, it is characterized in that: in described snake bone, first engaging lug (2-1) of pitch circle (2) is provided with card dress gap (2-1-1) along its axial direction, after described snake bone, the anterior engaging lug (3-1) of pitch circle (3) is provided with anterior card dress gap (3-1-1) along its axial direction.
4. the snake bone device of endoscope according to claim 3, it is characterized in that: in described snake bone pitch circle (2) the first engaging lug (2-1) and after snake bone the anterior engaging lug (3-1) of pitch circle (3) be equipped with arc technique gap (6) by its root, and described arc technique gap (6) fills gap (3-1-1) respectively about corresponding card dress gap (2-1-1) and anterior card and is symmetrical arranged.
5. the snake bone device of endoscope according to claim 1, it is characterized in that: described snake bone all has on the medial wall of pitch circle (1) before pitch circle (2) and snake bone the arc wire-blocking board (7) with its one each other, and the cavity surrounded between the sidewall of pitch circle (1) between the sidewall of pitch circle (2) and before arc wire-blocking board (7) and snake bone in arc wire-blocking board (7) and snake bone forms axial Wire channel in building (5).
6. the snake bone device of endoscope according to claim 3, it is characterised in that: the radial width of card dress gap (2-1-1) of first engaging lug (2-1) of pitch circle (2) in described snake bone and anterior card dress gap (3-1-1) of the anterior engaging lug (3-1) of pitch circle (3) after snake bone is 0.1mm～0.8mm.
7. the snake bone device of endoscope according to claim 4, it is characterised in that: the width of described arc technique gap (6) is 0.3mm～1.5mm.
8. the snake bone device of endoscope according to claim 1, it is characterized in that: in described snake bone, two first engaging lugs (2-1) at pitch circle (2) two ends and two the second engaging lugs (2-2) are all uniformly distributed, described first engaging lug (2-1) and the second engaging lug (2-2) are all plate armatures, and the distance between the medial surface of two the first engaging lugs (2-1) is more than or equal to the distance between the lateral surface of two the second engaging lugs (2-2).
9. the snake bone device of endoscope according to claim 1, it is characterized in that: pitch circle (1) and several snake bone be equipped with on the medial wall of pitch circle (2) before described snake bone two evenly distributed axial Wire channel in building (5), and the position of each axial Wire channel in building (5) and the first engaging lug (2-1) be staggeredly located 90 °.
10. the snake bone device of endoscope according to claim 1, it is characterized in that: in described snake bone, first engaging lug (2-1) of pitch circle (2) and the second engaging lug (2-2) are all plate armatures, and first engaging lug (2-1) and the second engaging lug (2-2) respectively in two axial planes parallel to each other, or the first engaging lug (2-1) and the second engaging lug (2-2) are respectively in two mutually perpendicular axial planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207431.XA CN104840172B (en) | 2015-04-28 | 2015-04-28 | The snake bone device of endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207431.XA CN104840172B (en) | 2015-04-28 | 2015-04-28 | The snake bone device of endoscope |
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| CN104840172A CN104840172A (en) | 2015-08-19 |
| CN104840172B true CN104840172B (en) | 2016-07-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105266752A (en) * | 2015-09-08 | 2016-01-27 | 上海熠达光电科技有限公司 | Bending portion of endoscope and disposable endoscope |
| CN108309208A (en) * | 2017-01-16 | 2018-07-24 | 深圳市先赞科技有限公司 | Endoscope equipped with summary snake bone component |
| CN107334449A (en) * | 2017-07-11 | 2017-11-10 | 上海成运医疗器械股份有限公司 | Endoscope-use is without rivet snake bone component |
| CN108113628A (en) * | 2018-01-09 | 2018-06-05 | 浙江成运医疗器械有限公司 | Without rivet snake bone component |
| CN110367911B (en) * | 2019-06-18 | 2021-07-09 | 珠海视新医用科技有限公司 | Snake bone and preparation method thereof |
| CN112890737B (en) * | 2020-11-20 | 2022-08-23 | 瑞惜康(苏州)医疗科技有限公司 | Firm in connection's anticreep snake bone |
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| JP2008253501A (en) * | 2007-04-04 | 2008-10-23 | Olympus Corp | Curved tube of endoscope, endoscope and production method for producing each joint ring of curved tube of endoscope |
| JP5364326B2 (en) * | 2008-02-01 | 2013-12-11 | 富士フイルム株式会社 | Endoscope |
| CN103690140A (en) * | 2014-01-10 | 2014-04-02 | 上海欧太医疗器械有限公司 | Endoscope joint ring, endoscope bent part and corresponding endoscope device |
| CN204618175U (en) * | 2015-04-28 | 2015-09-09 | 常州延顺光电科技有限公司 | A kind of snake bone device of endoscope |
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2015
- 2015-04-28 CN CN201510207431.XA patent/CN104840172B/en active Active
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