CN103698882A - Connecting structure of insertion hose and elbow part and endoscope - Google Patents
Connecting structure of insertion hose and elbow part and endoscope Download PDFInfo
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- CN103698882A CN103698882A CN201310712708.5A CN201310712708A CN103698882A CN 103698882 A CN103698882 A CN 103698882A CN 201310712708 A CN201310712708 A CN 201310712708A CN 103698882 A CN103698882 A CN 103698882A
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- flexible pipe
- syndeton
- section
- connecing
- bend
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Abstract
The invention discloses a connecting structure of an insertion hose and an elbow part of an endoscope. The connecting structure is used for connecting the insertion hose and the elbow part, is annular, and comprises a rear connecting section connected with the insertion hose and a front connecting section connected with the elbow part; at least one hollow flexible pipe extends out from the insertion hose of the endoscope; the end part of the hollow flexible pipe is fixed on the connecting structure; at least one positioning structure is correspondingly arranged at the circumferential wall of the front connecting section for positioning the hollow flexible pipe. The hollow flexible pipe is positioned at the circumferential wall of the front connecting section by arranging the positioning structure, so the hollow flexible pipe is more accurately and firmly fixed on the connecting structure.
Description
Technical field
The present invention relates to endoscopic technique field, be specifically related to the syndeton that a kind of endoscope inserts flexible pipe and bend, and the endoscope that uses this syndeton.
Background technology
Referring to Fig. 1, the operating portion 2 that flexible endoscope is connected with cardinal extremity with insertion section 1 by the insertion section 1 in can insertosome conventionally forms.Insertion section 1 by elongated insertion flexible pipe 11, the bend 12 being connected with this insertion flexible pipe front end, being connected with bend 12 front ends is arranged at insertion section 1 cephalic par 13 foremost and forms.The cardinal extremity that inserts flexible pipe 11 is connected with operating portion 2.
Operating portion 2 is controlled bend 12 by four wire rope, and left and right four direction is crooked up and down, and guiding endoscope cephalic par 13 arrives suitable observation or operating position.Four wire rope are placed in the passage that inserts flexible pipe 11 and bend 12, and four ends of wire rope one end are separately fixed in cephalic par 13, and the other end is connected on four chain tail ends that are positioned at operating portion 1.。Four wire rope are arranged in the part of inserting flexible pipe 11 passages and are placed in respectively four hollow flexible pipes 14 (referring to Fig. 3), and behind the junction through insertion flexible pipe 11 and bend 12, wire rope guide pipe through bend 12 interior settings, extends to cephalic par 13.Hollow flexible pipe 14 has good elasticity, and by the guide effect of 14 pairs of wire rope of hollow flexible pipe, the control of 2 pairs of wire rope of operating portion has good smoothness.One end of four hollow flexible pipes 14 is fixed on operating portion 2, and the other end is fixed on and inserts the end of flexible pipe 11 and the junction of bend 12.
Described hollow flexible pipe 14, refers to and can withstand high temperatures weld, have good flexibility, flexible slender pipeline, generally adopts metal spring spiral pipe.
Fig. 2 is the schematic diagram that in prior art, endoscope inserts the syndeton of flexible pipe and the use of bend junction, and the insertion flexible pipe of endoscope of syndeton shown in Fig. 2 that Fig. 3 has been available technology adopting and the structure of bend junction split schematic diagram.For convenience of observing and describing, in Fig. 3, omitted the structure outside syndeton and hollow flexible pipe 14.Referring to Fig. 2, syndeton 15 is circular, comprise with insert that flexible pipe 11 is connected after the section of connecing 152, and be connected with bend 12 before the section of connecing 151.Referring to Fig. 2 and Fig. 3, by syndeton 15, will insert flexible pipe 11 is connected with bend 12, the end of four hollow flexible pipes 14 is weldingly fixed on the inwall of the section of connecing 151 before syndeton, and the welding position of four hollow flexible pipes 14 is corresponding with the position of the interior wire rope guide pipe of bend 12 respectively.The inwall of flexible connecting structure 15 is the smooth face of cylinder, and before flexibility is fixed to four hollow flexible pipes 14 by specific frock clamp, the inwall of the section of connecing 151, then carries out welding operation.Because hollow flexible pipe 14 is not located, in removing the process of frock clamp, likely make hollow flexible pipe 14 positions move, cause the position of hollow flexible pipe 14 on the circumferencial direction of syndeton 15 can not be corresponding with the wire rope guide pipe in bend 12, thereby cause the guide channel of wire rope to present bending, make wire rope and guide channel produce larger friction, be easier to damage wire rope.In addition, due to the inwall welding from syndeton 15, the motion that the roughness on surface, welding position also for example clamps other wire rods to by this position deferent, water air pipe, optical fiber and cable impacts, and even wire rod is caused to damage, affects the transmission of the signals such as photoelectricity or water, gas etc.All need at present weld to polish smooth, make the comparison of coherence of Product Assembly poor, overall quality is difficult to control, and efficiency of assembling is low, and effect is not good yet.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the syndeton that endoscope in prior art inserts flexible pipe and bend and cannot locate hollow flexible pipe, the defect that causes hollow flexible pipe to be easily offset with the interior corresponding wire rope guide pipe position of bend 12 at syndeton circumferencial direction, provide a kind of hollow flexible pipe in syndeton circumferential wall on accurate positioning, syndeton firmly.
Another technical matters that the present invention will solve is: overcome prior art hollow core flexible pipe and be welded on syndeton inwall, its welding position rough surface easily impacts the motion of other wire rods by this syndeton, even damage the defect of these wire rods, provide the roughness of the welding position of a kind of hollow flexible pipe in syndeton not affect the syndeton of other wire rods.
The technical solution used in the present invention is:
A kind of syndeton of inserting flexible pipe and bend, be used for connecting endoscope and insert flexible pipe and bend, described syndeton is circular, comprise be connected with described insertion flexible pipe after the section of connecing and be connected with described bend before the section of connecing, described endoscope inserts in flexible pipe and extends at least hollow flexible pipe, the end of described hollow flexible pipe is fixed in described syndeton, described before in the circumferential wall of the section of connecing correspondence be provided with at least one location structure, locate respectively described hollow flexible pipe.
Further, described location structure is a pair of jut, and the space that described jut is folded and described hollow flexible pipe adapt.
Further, described location structure is aperture, radially radially consistent with described syndeton of described aperture, and the diameter of described aperture is greater than the diameter of described hollow flexible pipe.
Further, the two ends of described aperture respectively with described before the two ends of the section of connecing flush.
Further, described before the position of the corresponding described aperture of the section of connecing be the structure disconnecting at least partly, remainder and described aperture connect as one.
Further, described before the section of connecing corresponding to the part of described jut institute clip space, be the structure disconnecting at least partly, remainder and described jut connect as one.
The present invention also provides a kind of endoscope, there is insertion section and the operating portion being connected with the cardinal extremity of described insertion section in energy insertosome, described insertion section by elongated insertion flexible pipe, the bend being connected with this insertion flexible pipe front end, being connected with described bend front end is arranged at described insertion section cephalic par foremost and forms, the cardinal extremity of described insertion flexible pipe is connected with described operating portion, the junction of described insertion flexible pipe and described bend, has adopted any one above-mentioned syndeton.
From above technical scheme, the invention has the beneficial effects as follows:
Provide a kind of endoscope to insert syndeton and the endoscope of flexible pipe and bend, make hollow flexible pipe accurate positioning on the circumferencial direction of syndeton, firm, and corresponding with the position of wire rope guide pipe in bend 12, thereby avoid the guide channel of wire rope to occur bending, avoid damaging wire rope.On above basis, provide a kind of endoscope to insert syndeton and the endoscope of flexible pipe and bend, the roughness of the welding position of hollow flexible pipe in syndeton is not affected by the motion of other wire rods in this syndeton, avoid causing other wire rods to damage, made to adopt wire rod in the endoscope insertion part of this syndeton not to be vulnerable to the damage of hollow flexible pipe welding position.
accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of endoscope in prior art;
Fig. 2 is the schematic diagram that in prior art, endoscope inserts flexible pipe and bend syndeton;
The insertion flexible pipe of endoscope of syndeton shown in Fig. 2 that Fig. 3 has been available technology adopting and the structure of bend junction split schematic diagram;
Fig. 4 is the structural representation of the syndeton of the embodiment of the present invention one;
Fig. 5 has adopted the insertion flexible pipe of endoscope and the structure of bend junction of the syndeton of the embodiment of the present invention one to split schematic diagram;
Fig. 6 is the structural representation of the preferred embodiment of the embodiment of the present invention two syndetons;
Fig. 7 has adopted the insertion flexible pipe of endoscope and the structure of bend junction of the syndeton of the embodiment of the present invention two to split schematic diagram;
Fig. 8 is the structural representation of another preferred embodiment of the embodiment of the present invention three syndetons;
Fig. 9 has adopted the insertion flexible pipe of endoscope and the structure of bend junction of the syndeton of the embodiment of the present invention three to split schematic diagram;
Figure 10 is the structural representation of the syndeton of the embodiment of the present invention four;
Figure 11 has adopted the insertion flexible pipe of endoscope and the structure of crooked junction of the syndeton of the embodiment of the present invention four to split schematic diagram.
Embodiment
Below in conjunction with the Figure of description in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 4, it is the schematic diagram of the syndeton of the embodiment of the present invention one.Syndeton 41 comprise with insert that flexible pipe 11 is connected after the section of connecing 412, and be connected with bend 12 before the section of connecing 411.After described, the inwall of the section of connecing 412 is the smooth face of cylinder, is provided with four pairs of juts 413 on the inwall circumference of the section of connecing 411 before described, forms four groups of location structures.
Fig. 5 has adopted the insertion flexible pipe 11 of endoscope and the structure of bend 12 junctions of the syndeton 41 of the embodiment of the present invention one to split schematic diagram, for convenience of observing and describing, has omitted the structure except syndeton 41 and hollow flexible pipe 14 in Fig. 5.Referring to Fig. 5, described after the section of connecing 412 be connected and fixed with the end that inserts flexible pipe 11, from inserting, in flexible pipe 11, extend four hollow flexible pipes 14 to the end of 41, four hollow flexible pipes 14 of syndeton and be positioned at respectively by the folded space of the four pairs of juts 413.Before can before described, the section of connecing 411 is interior hollow flexible pipe 14 being weldingly fixed in the section of connecing 411, or before the end of hollow flexible pipe 14 is weldingly fixed on hollow flexible pipe 14 on the end face of the section of connecing 411, and face of weld is polished smooth.
Four pairs of juts 413 before the syndeton of the embodiment of the present invention one is arranged on by employing on the section of connecing 411 inwall circumference, the inwall of the section of connecing 411 before hollow flexible pipe 14 before four root beads are connected in the section of connecing 411 is accurately positioned at securely, corresponding with the position of wire rope guide pipe in bend 12, the position of hollow flexible pipe 14 can be offset, thereby avoid the guide channel of wire rope to occur bending, avoid damaging wire rope.。
Referring to Fig. 6, it is the schematic diagram of the syndeton 51 of the embodiment of the present invention two.Be with the difference of embodiment mono-, four groups of location structures that arrange on the inwall circumference of the section of connecing 411 before described are four apertures 511.Described aperture 511 radially with described before the section of connecing 411 radially consistent, the diameter of described aperture is greater than the diameter of described hollow flexible pipe 14.
Fig. 7 has adopted the insertion flexible pipe 11 of endoscope and the structure of bend 12 junctions of the syndeton 51 of the embodiment of the present invention two to split schematic diagram, for convenience of observing and describing, has omitted the structure except syndeton 51 and hollow flexible pipe 14 in Fig. 7.Referring to Fig. 7, the end of four hollow flexible pipes 14 is respectively through four apertures 511.Before can before described, the section of connecing 411 is interior hollow flexible pipe 14 being weldingly fixed in the section of connecing 411, or before the end of hollow flexible pipe 14 is weldingly fixed on hollow flexible pipe 14 on the end face of the section of connecing 411, and face of weld is polished smooth.
Four apertures 511 before the syndeton 51 of the embodiment of the present invention two is arranged on by employing on the section of connecing 411 inwall circumference, the inwall of the section of connecing 411 before hollow flexible pipe 14 before four root beads are connected in the section of connecing 411 is positioned at accurately, securely, corresponding with the position of wire rope guide pipe in bend 12, the position of hollow flexible pipe 14 can be offset, thereby avoid the guide channel of wire rope to occur bending, avoid damaging wire rope.Flexible referring to Fig. 8, be the schematic diagram of the syndeton 61 of the embodiment of the present invention three.Be with the difference of embodiment bis-, the two ends of described four apertures 511 flush with the front two ends of the section of connecing 411 respectively.
Fig. 9 has adopted the insertion flexible pipe 11 of endoscope and the structure of bend 12 junctions of the syndeton 61 of the embodiment of the present invention three to split schematic diagram, for convenience of observing and describing, has omitted the structure except syndeton 61 and hollow flexible pipe 14 in Fig. 7.Referring to Fig. 9, the end of four hollow flexible pipes 14 is respectively through four apertures 511.Before can hollow flexible pipe 14 being weldingly fixed in the end of hollow flexible pipe 14 on the end face of the section of connecing 411, and face of weld is polished smooth.
Four apertures 511 before the syndeton 61 of the embodiment of the present invention three is arranged on by employing on the section of connecing 411 inwall circumference, the inwall of the section of connecing 411 before hollow flexible pipe 14 before four root beads are connected in the section of connecing 411 is positioned at accurately, securely, corresponding with the position of wire rope guide pipe in bend 12, the position of hollow flexible pipe 14 can be offset, thereby avoid the guide channel of wire rope to occur bending, avoid damaging wire rope.Flexible
Simultaneously, the syndeton 61 of the embodiment of the present invention three is set to by the length of aperture 511: the two ends of aperture 511 respectively with described before the two ends of the section of connecing 411 flush, and before the end of hollow flexible pipe 14 is weldingly fixed on hollow flexible pipe 14 on the end face of the section of connecing 411, one section that can make hollow flexible pipe 14 ends relatively grow is positioned in aperture 511, thereby makes location more accurate.And syndeton 61 inwalls do not have face of weld, the part of mobilizable hollow flexible pipe is also relatively less, has reduced the impacts such as friction damage that interior other wire rods that pass through of syndeton 61 are subject to.
For embodiment bis-and embodiment tri-, preferably, one end of the section of connecing 411 end faces before described aperture 511 is positioned at, aperture 511 is not a bit of with the end face of the section of connecing 411 before partial sidewall that front section of connecing 411 contacts can protrude from, the end of hollow flexible pipe 14 flushes with the end of described aperture 511, the indentation, there forming at the sidewall of aperture 511, in the section of connecing 411, can make to weld more firm before hollow flexible pipe 14 is weldingly fixed on.
Referring to Figure 10, it is the schematic diagram of the syndeton 71 of the embodiment of the present invention four.Be with the difference of embodiment mono-, two, three, described before the section of connecing 411 corresponding to the described position of respectively organizing 413 clip spaces of jut, or corresponding to the position of each aperture 511, be all or part of structure disconnecting.
Figure 11 has adopted the insertion flexible pipe 11 of endoscope and the structure of bend 12 junctions of the syndeton 71 of the embodiment of the present invention four to split schematic diagram, for convenience of observing and describing, has omitted the structure except syndeton 71 and hollow flexible pipe 14 in Fig. 7.Referring to Fig. 9, the end of four hollow flexible pipes 14 is respectively through four apertures 511.The position that can disconnect on the front section of connecing 411 excircles, is welded and fixed described hollow flexible pipe 14.
Four apertures 511 before the syndeton 71 of the embodiment of the present invention four is arranged on by employing in the section of connecing 411 circumferential wall, before hollow flexible pipe 14 before four root beads are connected in the section of connecing 411 is positioned at accurately, securely in the circumferential wall of the section of connecing 411, corresponding with the position of wire rope guide pipe in bend 12, the position of hollow flexible pipe 14 can be offset, thereby avoid the guide channel of wire rope to occur bending, avoid damaging wire rope.
Simultaneously, embodiment of the present invention four-way is crossed the front section of connecing 411 corresponding to the described position of respectively organizing 413 clip spaces of jut, or the position corresponding to each aperture 511, be set to all or part of structure disconnecting, thereby at the position of described disconnection, be welded and fixed described hollow flexible pipe 14, can be so that welding be more firm, and before the section of connecing 411 inside there is no face of weld, part at the inner mobilizable hollow flexible pipe 14 of syndeton 71 is also relatively less, has reduced the impacts such as friction damage that interior other wire rods that pass through of syndeton 71 are subject to.
For embodiment mono-, two, three, four, alternatively, under some application, it is crooked to two relative directions that operating portion only need to be controlled bend, and hollow flexible pipe is two, and accordingly, the number of location structure is two.Under some application, in order to control more accurately the bending direction of bend, operating portion can be controlled bend to six or eight direction bendings, and accordingly, the number of location structure is six or eight.
In the present invention, no matter hollow flexible pipe is how many, and the number of location structure is all corresponding with it.
The embodiment of the present invention five provides a kind of endoscope, and described endoscope is comprised of with the operating portion being connected with the cardinal extremity of described insertion section the insertion section in energy insertosome.Described insertion section by elongated insertion flexible pipe, the bend being connected with this insertion flexible pipe front end, being connected with bend front end is arranged at insertion section cephalic par foremost and forms, the cardinal extremity that inserts flexible pipe is connected with operating portion.
The junction of described insertion flexible pipe and described bend, has adopted any one syndeton described in the embodiment of the present invention one, two, three, four.
The insertion the flexible pipe above embodiment of the present invention being provided and syndeton and the endoscope of bend are described in detail, but the explanation of above embodiment is just understood method of the present invention and core concept thereof for helping, and should not be construed as limitation of the present invention.In the technical scope that those skilled in the art disclose in the present invention, the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. a syndeton of inserting flexible pipe and bend, be used for connecting endoscope and insert flexible pipe and bend, described syndeton is circular, comprise be connected with described insertion flexible pipe after the section of connecing and be connected with described bend before the section of connecing, described endoscope inserts in flexible pipe and extends at least hollow flexible pipe, the end of described hollow flexible pipe is fixed in described syndeton, it is characterized in that, before described, in the circumferential wall of the section of connecing, correspondence is provided with at least one location structure, locates respectively described hollow flexible pipe.
2. syndeton according to claim 1, is characterized in that, described location structure is a pair of jut, and the space that described jut is folded and described hollow flexible pipe adapt.
3. syndeton according to claim 1, is characterized in that, described location structure is aperture, radially radially consistent with described syndeton of described aperture, and the diameter of described aperture is greater than the diameter of described hollow flexible pipe.
4. syndeton according to claim 3, is characterized in that, the two ends of described aperture respectively with described before the two ends of the section of connecing flush.
5. syndeton according to claim 3, is characterized in that, described before the position of the corresponding described aperture of the section of connecing be the structure disconnecting at least partly, remainder and described aperture connect as one.
6. syndeton according to claim 2, is characterized in that, described before the section of connecing corresponding to the part of described jut institute clip space, be the structure disconnecting at least partly, remainder and described jut connect as one.
7. an endoscope, there is insertion section and the operating portion being connected with the cardinal extremity of described insertion section in energy insertosome, described insertion section by elongated insertion flexible pipe, the bend being connected with this insertion flexible pipe front end, being connected with described bend front end is arranged at described insertion section cephalic par foremost and forms, the cardinal extremity of described insertion flexible pipe is connected with described operating portion, it is characterized in that, the junction of described insertion flexible pipe and described bend, has adopted any one syndeton as described in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712708.5A CN103698882B (en) | 2013-12-23 | 2013-12-23 | Connecting structure of insertion hose and elbow part and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310712708.5A CN103698882B (en) | 2013-12-23 | 2013-12-23 | Connecting structure of insertion hose and elbow part and endoscope |
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| Publication Number | Publication Date |
|---|---|
| CN103698882A true CN103698882A (en) | 2014-04-02 |
| CN103698882B CN103698882B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310712708.5A Active CN103698882B (en) | 2013-12-23 | 2013-12-23 | Connecting structure of insertion hose and elbow part and endoscope |
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| Country | Link |
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| CN (1) | CN103698882B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104856632A (en) * | 2015-06-02 | 2015-08-26 | 深圳开立生物医疗科技股份有限公司 | Endoscope steel wire rope guiding device and endoscope |
| WO2018040772A1 (en) * | 2016-08-31 | 2018-03-08 | 深圳开立生物医疗科技股份有限公司 | Connector and endoscope system |
| CN113143173A (en) * | 2021-04-29 | 2021-07-23 | 常州联影智融医疗科技有限公司 | Spring tube fixer of endoscope operation part and installation method thereof |
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| JPH08201705A (en) * | 1995-01-23 | 1996-08-09 | Olympus Optical Co Ltd | Guide tube for endoscope |
| CN101061939A (en) * | 2006-04-24 | 2007-10-31 | 伊西康内外科公司 | Medical instrument handle and medical instrument having a handle |
| CN101610710A (en) * | 2007-03-29 | 2009-12-23 | 奥林巴斯医疗株式会社 | Articulated bending mechanism and the articulated medical device that possesses articulated bending mechanism |
| CN102370454A (en) * | 2010-08-23 | 2012-03-14 | 财团法人工业技术研究院 | Curved laryngoscope and operational instrument component using same |
| CN102727159A (en) * | 2011-04-14 | 2012-10-17 | 富士胶片株式会社 | Endoscope |
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| JPH08201705A (en) * | 1995-01-23 | 1996-08-09 | Olympus Optical Co Ltd | Guide tube for endoscope |
| CN101061939A (en) * | 2006-04-24 | 2007-10-31 | 伊西康内外科公司 | Medical instrument handle and medical instrument having a handle |
| CN101610710A (en) * | 2007-03-29 | 2009-12-23 | 奥林巴斯医疗株式会社 | Articulated bending mechanism and the articulated medical device that possesses articulated bending mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104856632A (en) * | 2015-06-02 | 2015-08-26 | 深圳开立生物医疗科技股份有限公司 | Endoscope steel wire rope guiding device and endoscope |
| WO2018040772A1 (en) * | 2016-08-31 | 2018-03-08 | 深圳开立生物医疗科技股份有限公司 | Connector and endoscope system |
| CN113143173A (en) * | 2021-04-29 | 2021-07-23 | 常州联影智融医疗科技有限公司 | Spring tube fixer of endoscope operation part and installation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103698882B (en) | 2017-02-01 |
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Address after: 518057 Shenzhen Nanshan District, Guangdong Province Patentee after: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen Address before: 518051 Fourth Floor, Yizhe Building, Yuquan Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen |