CN107374571A - A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism - Google Patents
A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism Download PDFInfo
- Publication number
- CN107374571A CN107374571A CN201710805776.4A CN201710805776A CN107374571A CN 107374571 A CN107374571 A CN 107374571A CN 201710805776 A CN201710805776 A CN 201710805776A CN 107374571 A CN107374571 A CN 107374571A
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- China
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- transmission mechanism
- steel wire
- endoscope
- chain
- sprocket wheel
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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
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0057—Constructional details of force transmission elements, e.g. control wires
-
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Astronomy & Astrophysics (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- General Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Transmission Devices (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of endoscope transmission mechanism and the endoscope with the transmission mechanism, the transmission mechanism includes drive device, shell, driving gear, housing upper section traction rack, push rod, housing lower section traction rack, driven gear, sprocket wheel, chain and steel wire, endoscope shell hypomere two is to rack drives two to driven gear, a sprocket wheel is added on driven gear, chain is housed on sprocket wheel, chain both ends connect steel wire respectively, so pinion rotation is driven when rack is promoted by push rod, pinion rotation drives the coaxial synchronous axial system of chain, the connection of steel wire and chain is fixed using steel wire buckle, it need not weld, when avoiding welding wire using concentrated acid cleaning and caused by a large amount of acid mist steam contaminations and the personal injury to operating personnel, also allow for later stage adjustment and safeguard.
Description
Technical field
The present invention relates to a kind of endoscope, especially a kind of transmission mechanism of endoscope.
Background technology
With making constant progress for electronic science and technology, endoscope is widely used in industry maintenance and medicine equipment neck
Domain.Existing endoscope transmission mechanism is to distinguish epimere in cover of driver by two concentric co-rotations of handwheel on handle to be total to
The rotation of two driving gears of axle, two driving gear cover of driver epimeres two move up and down to rack.Under housing upper section rack
The push rod of connection moves up and down therewith, two pairs of racks motion under driving handle in piece housing, by two pairs of internal weldings in hypomere
The rack drives mirror body insertion section head end for being connected to drawing steel wire carries out bending motion.Two pairs of racks motion under handle in piece housing
Need to be oriented to by rack chute, but the rack back side after welding is uneven, it is necessary to polish for a long time smoothly
After can be installed, and need to test and the performance of steel wire is pulled after sliding condition and welding of the rack in rack chute be
It is no up to standard, waste time and energy, low production efficiency, cost height.
Through use after a while, with the increase of endoscope number of bends, steel wire rope can gradually produce plastic deformation,
Entire length is elongated, the consequence for causing endoscope angle of bend to reduce, it is therefore desirable to by steel wire rope cut and then welds again
Tipping is matched somebody with somebody, but needs to carry out scolding tin thawing, adjustment and cutting with flatiron during being repaired, and then carries out welding dress again
Match somebody with somebody, the operation of this maintenance process is extremely difficult, and steel wire and rack is welded again it is difficult to ensure that welding quality, to peace
Dress and maintenance have manufactured very big problem.
The content of the invention
To be safeguarded in view of the above-mentioned problems, it is an object of the invention to provide the convenient installation of one kind, connect reliable endoscope transmission
Mechanism and the endoscope with the transmission mechanism.
To achieve these goals, the transmission mechanism of a kind of endoscope provided by the invention, including drive device, shell and
A pair of driving gears of driven device driving, a pair of driven gears and steel wire promoted by driving gear, described in shell
Drive device is fixedly mounted on the housing, it is characterised in that：Driven gear is coaxially installed with least one sprocket wheel, on sprocket wheel
Equipped with chain, the both ends of chain are respectively connected with a steel wire with demountable structure.
Preferably, the sprocket wheel is two, is co-axially mounted respectively with a pair of described driven gears, on each sprocket wheel
The chain that both ends respectively connect a steel wire is installed.
Preferably, the chain is fixedly connected with steel wire by steel wire buckle, the other end and the camera lens insertion section of steel wire
It is fixedly connected.
Preferably, the radius of the sprocket wheel is more than the radius of the driven gear.
Preferably, driving gear promotes the structure of driven gear, including a pair of housing upper sections engaged with driving gear to lead
Draw rack, and a pair of housing lower section traction racks engaged with corresponding driven gear；Housing upper section traction rack and housing lower section
Connected between traction rack by push rod.
A kind of endoscope, it is characterised in that include the transmission mechanism of endoscope described in above-mentioned any one.
The transmission mechanism of endoscope provided by the invention, has the advantages that：
1. sprocket wheel is installed in driven gear fixing axle in the housing lower section, when the housing lower section traction rack is pushed away
Driven gear is driven to rotate when bar promotes, driven gear band movable sprocket carries out coaxial synchronous axial system, and chain is assembled on sprocket wheel
Bar, chain both ends connect steel wire respectively, and the connection of steel wire and chain is fixed using steel wire buckle, it is not necessary to is welded, is avoided welding
During steel wire using concentrated acid clean and caused by a large amount of acid mist steam contaminations and personal injury to operating personnel.Steel wire buckle is reliable
Property it is higher, be more easy to assembly or disassembly, production efficiency can be improved, also allow for the adjustment and maintenance in later stage, reduce making and safeguard
Cost.
2. the sprocket radius is more than the radius of the driven gear, when driving gear driving rack drives push rod movement one
When set a distance, chain can drive steel wire to pull longer distance, and camera lens insertion section head end can complete bigger bending,
The high sensitivity of bending.
Brief description of the drawings
Fig. 1 is a kind of structural representation of endoscope transmission mechanism；
Fig. 2 is the sectional view in A-A directions in Fig. 1；
Fig. 3 is close-up schematic view of the C portion along B directions in Fig. 2；
In figure：
101. the second traction rack of housing upper section of the first traction rack of housing upper section 102.
103. the second traction rack of housing lower section of the first traction rack of housing lower section 104.
105. the traction rack of 107. housing lower section of the 3rd traction rack of housing upper section the 3rd
2. the push rod of 21. second driving gear of the first driving gear, 31. first push rod 32. second
33. the steel wire buckle of 4. first 41. second sprocket wheel of sprocket wheel, 5. chain of the 3rd push rod 6.
7. the drive device of 8. first 81. second driven gear of driven gear of steel wire 9.
10. the shell of 11. driven gear fixing axle of driving gear fixing axle 12..
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of transmission mechanism of endoscope, including drive device 9, shell 12, first actively
Gear 2, driving gear fixing axle 10, the first traction rack of housing upper section 101, the first push rod 31, the traction teeth of housing lower section first
Bar 103, the first driven gear 8, driven gear fixing axle 11, the first sprocket wheel 4, chain 5 and steel wire 7；Wherein described drive device 9
It is fixedly mounted on the shell 12；First driving gear 2 is assemblied in the driving gear fixing axle 10, the active
Gear fixing axle 10 is fixedly linked with the drive device 9, and the drive device 9 is that first driving gear 2 provides power；
First traction rack of housing upper section 101 engages connection with first driving gear 2, and first driving gear 2 rotates
And first traction rack of housing upper section 101 is driven to move；Led with the housing upper section first described one end of first push rod 31
Draw rack 101 to be connected, first traction rack of housing upper section 101 drives first push rod 31 to move up and down；The shell
The first traction rack of hypomere 103 is connected with the other end of first push rod 31, and is moved with first push rod 31；Described
One driven gear 8 is assemblied in the driven gear fixing axle 11, and is mutually nibbled with first traction rack of housing lower section 103
Close；First sprocket wheel 4 is assemblied in the driven gear fixing axle 11, and the chain 5 is arranged on first sprocket wheel 4,
The both ends of chain 5 are connected with steel wire 7 respectively.
The transmission mechanism also includes the second traction rack of housing upper section 102, the second push rod 32, the traction teeth of housing lower section second
Bar 104；First traction rack of housing upper section 101 and the second traction rack of housing upper section 102 respectively with described first actively
The engagement connection of gear 2, first driving gear 2 are rotated and driven on first traction rack of housing upper section 101 and shell
The second traction rack 102 of section moves, first traction rack of housing upper section 101 and the second traction rack of housing upper section 102
Moving direction is opposite；Described one end of second push rod 32 is connected with second traction rack of housing upper section 102, the other end with it is described
The second traction rack of housing lower section 104 is connected, and second traction rack of housing upper section 102 drives second push rod 32 to transport
Dynamic, second push rod 32 drives second traction rack of housing lower section 104 to move.The traction rack of housing lower section second
104 and the first traction rack of the housing lower section 103 engage connection with first driven gear 8 respectively, described in common driving
First driven gear 8 rotates.
The transmission mechanism of the endoscope also includes the second driving gear 21, the traction rack 105 of housing upper section the 3rd, and the 3rd
Push rod 33, the traction rack 107 of housing lower section the 3rd；Second driving gear 21 is assemblied in the driving gear fixing axle 10
On, it is arranged symmetrically with first driving gear 2, the drive device 9 is that second driving gear 21 provides power；Institute
State the traction rack 105 of housing upper section the 3rd and engage connection with second driving gear 21；Described one end of 3rd push rod 33 and institute
State the traction rack 105 of housing upper section the 3rd to be connected, the other end is connected with the traction rack 107 of housing lower section the 3rd.
The transmission mechanism of the endoscope also includes the second driven gear 81, the second sprocket wheel 41；Second driven gear
81 and second sprocket wheel 41 be assemblied in the driven gear fixing axle 11, with first driven gear 8, described first
Sprocket wheel 4 is arranged symmetrically, and chain 5 is arranged on second sprocket wheel 41, and the both ends of chain 5 are connected with steel wire 7 respectively.
The transmission mechanism of the endoscope also includes the traction rack of housing upper section the 4th, the 4th push rod, housing lower section the 4th
Traction rack；The traction rack of housing upper section the 4th and the traction rack 105 of housing upper section the 3rd respectively with described second actively
The engagement connection of gear 2, second driving gear 2 are rotated and driven on the traction rack 105 of housing upper section the 3rd and shell
Section the 4th traction rack movement, the mobile side of the traction rack of housing upper section the 4th and the traction rack 105 of housing upper section the 3rd
To opposite；Described 4th push rod one end is connected with the traction rack of housing upper section the 4th, the other end and the housing lower section the
Four traction racks are connected.The traction rack of housing upper section the 4th drives the 4th push rod movement, the housing lower section the 4th
Traction rack moves with the 4th push rod.The traction rack of housing lower section the 4th and the traction rack of the housing lower section the 3rd
107 engage connection with second driven gear 81 respectively, drive second driven gear 81 to rotate jointly.
The chain 5 is fixedly connected with steel wire 7 by steel wire buckle 6, and the other end and the camera lens insertion section of steel wire 7 are fixed
Connection, is easy to assemble and repairs.
First sprocket wheel 4, the radius of the second sprocket wheel 41 are all higher than first driven gear 8, the second driven gear 81
Radius.When driving gear cover of driver epimere rack drives push rod moves a certain distance, housing lower section rack drives
Driven gear moves identical distance, sprocket wheel synchronous axial system coaxial with driven gear, the angle phase that driven gear turns over sprocket wheel
Together, thus the larger sprocket wheel movement of radius distance it is longer, chain can drive steel wire to pull longer distance, and then with index glass
Head insertion section head end completes bigger bending, the high sensitivity of bending.
Specific case used herein is elaborated to inventive concept, and the explanation of above example is only intended to
Help to understand core concept of the invention.It should be pointed out that for those skilled in the art, this is not being departed from
On the premise of inventive concept, any obvious modification, equivalent substitution or other improvement for being made, the present invention should be included in
Protection domain within.
Claims (6)
1. a kind of transmission mechanism of endoscope, including drive device, in shell and shell, a pair of driven device driving are actively
Gear, a pair of driven gears and steel wire promoted by driving gear, it is characterised in that：At least one driven gear is co-axially mounted
There is sprocket wheel, chain is housed on sprocket wheel, the both ends of chain are respectively connected with a steel wire with demountable structure.
A kind of 2. transmission mechanism of endoscope according to claim 1, it is characterised in that：The sprocket wheel is two, respectively
It is co-axially mounted with a pair of described driven gears, the chain that both ends respectively connect a steel wire is mounted on each sprocket wheel.
A kind of 3. transmission mechanism of endoscope according to claim 2, it is characterised in that：The chain passes through with steel wire
Steel wire buckle is fixedly connected.
A kind of 4. transmission mechanism of endoscope according to claims 1 to 3 any one, it is characterised in that：The sprocket wheel
Radius be more than the driven gear radius.
A kind of 5. transmission mechanism of endoscope according to claim 4, it is characterised in that：Driving gear promotes driven gear
Structure, including the housing upper section traction rack engaged with driving gear for a pair, and a pair outer with the engagement of corresponding driven gear
Shell hypomere traction rack；Connected between housing upper section traction rack and housing lower section traction rack by push rod.
A kind of 6. endoscope, it is characterised in that：Include the transmission mechanism of endoscope described in claim 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805776.4A CN107374571A (en) | 2017-09-08 | 2017-09-08 | A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805776.4A CN107374571A (en) | 2017-09-08 | 2017-09-08 | A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107374571A true CN107374571A (en) | 2017-11-24 |
Family
ID=60349504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805776.4A Pending CN107374571A (en) | 2017-09-08 | 2017-09-08 | A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107374571A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786815A (en) * | 2019-12-05 | 2020-02-14 | 重庆金山医疗技术研究院有限公司 | Steel wire subassembly, operating handle and endoscope with adjustable steel wire elasticity |
| CN111714185A (en) * | 2020-06-29 | 2020-09-29 | 四川大学华西医院 | Alimentary canal content cleaning device |
| WO2023216712A1 (en) * | 2022-05-07 | 2023-11-16 | 上海众芯工业产品设计有限公司 | Reusable section of endoscope handle, endoscope handle, and endoscope |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167128A (en) * | 1988-09-30 | 1990-06-27 | Olympus Optical Co Ltd | Curving operation apparatus of endoscope |
| JP2001228410A (en) * | 2000-02-18 | 2001-08-24 | Olympus Optical Co Ltd | Endoscope device |
| JP2002165753A (en) * | 2000-12-05 | 2002-06-11 | Asahi Optical Co Ltd | Endoscopic curvature operating device |
| CN2552473Y (en) * | 2002-07-01 | 2003-05-28 | 上海富士能高内镜有限公司 | Tractor with locking mechanism for endocope |
| CN204581208U (en) * | 2015-03-31 | 2015-08-26 | 珠海迈德豪医用科技有限公司 | A kind of endoscope fixation with steel wire governor motion |
| CN208301632U (en) * | 2017-09-08 | 2019-01-01 | 北京华信佳音医疗科技发展有限责任公司 | A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism |
-
2017
- 2017-09-08 CN CN201710805776.4A patent/CN107374571A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167128A (en) * | 1988-09-30 | 1990-06-27 | Olympus Optical Co Ltd | Curving operation apparatus of endoscope |
| JP2001228410A (en) * | 2000-02-18 | 2001-08-24 | Olympus Optical Co Ltd | Endoscope device |
| JP2002165753A (en) * | 2000-12-05 | 2002-06-11 | Asahi Optical Co Ltd | Endoscopic curvature operating device |
| CN2552473Y (en) * | 2002-07-01 | 2003-05-28 | 上海富士能高内镜有限公司 | Tractor with locking mechanism for endocope |
| CN204581208U (en) * | 2015-03-31 | 2015-08-26 | 珠海迈德豪医用科技有限公司 | A kind of endoscope fixation with steel wire governor motion |
| CN208301632U (en) * | 2017-09-08 | 2019-01-01 | 北京华信佳音医疗科技发展有限责任公司 | A kind of endoscope transmission mechanism and the endoscope with the transmission mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786815A (en) * | 2019-12-05 | 2020-02-14 | 重庆金山医疗技术研究院有限公司 | Steel wire subassembly, operating handle and endoscope with adjustable steel wire elasticity |
| CN111714185A (en) * | 2020-06-29 | 2020-09-29 | 四川大学华西医院 | Alimentary canal content cleaning device |
| CN111714185B (en) * | 2020-06-29 | 2021-09-14 | 四川大学华西医院 | Alimentary canal content cleaning device |
| WO2023216712A1 (en) * | 2022-05-07 | 2023-11-16 | 上海众芯工业产品设计有限公司 | Reusable section of endoscope handle, endoscope handle, and endoscope |
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