CN112353347B - Wedge-shaped locking and sealing structure of camera shooting handle - Google Patents
Wedge-shaped locking and sealing structure of camera shooting handle Download PDFInfo
- Publication number
- CN112353347B CN112353347B CN202011206838.8A CN202011206838A CN112353347B CN 112353347 B CN112353347 B CN 112353347B CN 202011206838 A CN202011206838 A CN 202011206838A CN 112353347 B CN112353347 B CN 112353347B
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- hole
- key
- wedge
- handle
- fixing plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 14
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000741 silica gel Substances 0.000 abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- A61B1/00066—Proximal part of endoscope body, e.g. handles
-
- 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
- A61B1/00131—Accessories for endoscopes
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
-
- 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
- A61B1/04—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 combined with photographic or television appliances
-
- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/042—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 combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Studio Devices (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The invention discloses a wedge-shaped locking and sealing structure of a camera handle key, wherein a wedge-shaped locking piece is arranged inside a camera handle from outside to inside, and the direction of extrusion force is converted through a wedge-shaped inclined plane, so that a key fixing plate and the inner surface of the camera handle compress key silica gel tightly in an extruding manner, the sealing of the position of the camera handle key is realized, and the sealing and installation modes are effective and reliable.
Description
Technical Field
The invention relates to a medical endoscope camera shooting handle, in particular to a local wedge-shaped locking and sealing structure of the camera shooting handle, and belongs to the technical field of medical instruments.
Background
The camera shooting handle is an indispensable component in an endoscope camera shooting system, is one of extension devices of the vision of doctors in the minimally invasive surgery process in the medical field, and the development condition of the minimally invasive surgery can be directly influenced by the normal image identification function and the image definition of the CMOS chip in the camera shooting handle. Generally, the judgment of a doctor is deviated due to the existence of dust particles and water vapor, generally speaking, the camera shooting handle adopts a fully closed structure, and the rear end (a cable entering end) and the front end (a C-Mount interface end) are generally designed into regular shapes, so that a conventional sealing means, such as an O-shaped sealing ring and an internal pouring sealant, can be adopted.
However, sealing the handle at the key location has been a difficult and painful point. The function that the handle of making a video recording had both guaranteed the button is normal (button components and parts can normally trigger), guarantee again that the button feels good, comfortable, the button of a lot of handles of making a video recording can adopt button PCB to fix the mounting means who covers the silicon rubber button again after the handle surface from the handle outside, button PCB's connecting wire need pass the handle shell and enter into the inside cable junction with the handle of handle, this hole structure's waterproof dustproof design is whole handle's of making a video recording design difficulty usually.
Disclosure of Invention
The invention aims to solve the problem of local sealing of a camera handle and provides a local wedge-shaped locking and sealing structure of the camera handle.
The utility model provides a wedge locking seal structure of handle of making a video recording, contains handle 1, flexible glue button 2, keypad 3, fixed plate 4, wedge 5 and fastener 6, and handle 1 is thin wall hollow structure, and keypad 3 is the circuit board, contains PCB31, button 32 and key line 33, and PCB31 is the base plate of circuit board, and button 32 is the button function components and parts on PCB31, and button line 33 is the transmission cable of keypad 3, wedge 5 is the wedge structure, and fastener 6 is ordinary screw, and its characterized in that, handle 1 contains hole 11, interior anchor ring 12, guide table 13 and locking hole 14, and hole 11 is the trompil that link up the individual layer shell that is located handle 1 top, and interior anchor ring 12 is the annular closed plane around hole 11 for the internal surface of handle 1, and guide table 13 is the plane that is located handle 1 inside and interior anchor ring 12 and be the acute angle contained angle, and locking hole 14 is the screw hole, and its center pin is parallel with guide table 13.
The soft rubber key 2 is a soft rubber part with a cap-shaped structure and comprises an upper ring surface 21, a lower ring surface 22 and a key position 23, the upper ring surface 21 and the lower ring surface 22 are an upper annular plane and a lower annular plane of a cap peak structure of the soft rubber key 2, the key position 23 can be located at any position of the soft rubber key 2 and is an initial structure triggered by a key function, and the external boundary of the upper ring surface 21 is between the internal boundary and the external boundary of the inner ring surface 12.
The fixing plate 4 is of an outside-in ascending stair structure and comprises a fixing plate ring surface 41, a mounting groove 42, a threading hole 43 and a bottom surface 44, the fixing plate ring surface 41 is located on the outer edge of the fixing plate 4 and is a closed annular plane, the mounting groove 42 is of a groove structure located in the middle of the fixing plate 4, the threading hole 43 is of a through hole structure beside the mounting groove 42, an inner ring of the fixing plate ring surface 41 is slightly larger than the outer edge of the mounting groove 42, the fixing plate ring surface 41 and the mounting groove 42 are located on the same surface of the fixing plate 4, the bottom surface 44 is a bottom plane of the fixing plate 4, and the inner boundary of the lower ring surface 22 is located between the inner boundary and the outer boundary of the fixing plate ring surface 41.
The wedge 5 comprises a guide surface 51, a pressing surface 52, a support arm 53, a through hole 54 and an avoiding hole 55, the guide surface 51 is a bottom plane of the wedge 5, the pressing surface 52 is a top plane of a wedge position of the wedge 5, and an included angle between the guide surface 51 and the pressing surface 52 is equal to an included angle between the inner ring surface 12 and the guide table 13. The arm 53 is a cantilever structure, the extending direction of the arm is perpendicular to the guide surface 51, the arm 53 is provided with a through hole 54, the through hole 54 is a through hole, the direction of the central axis of the through hole is parallel to the guide surface 51, and the clearance hole 55 is a through hole or a broken hole structure perpendicular to the guide surface 51.
The PCB31 is arranged in the mounting groove 42, the soft rubber key 2 is integrally covered on the fixing plate 4 provided with the key plate 3, the lower ring surface 22 is tightly attached to the ring surface 41 of the fixing plate, the key cap 23 is just positioned on the key 32, the handle 1 is in contact mounting with the soft rubber key 2, the upper ring surface 21 is tightly attached to the inner ring surface 12, the key cap 23 can be exposed through the hole 11, the wedge 5 is arranged inside the handle 1, the guide surface 51 is tightly attached to the guide table 13, the pressing surface 52 is tightly attached to the bottom plate 44, the through hole 54 is overlapped with the central shaft of the locking hole 14, the fastener 6 passes through the through hole 54 to be locked and attached to the locking hole 14, and the key line 33 passes through the threading hole 43 and the avoiding hole 55 to enter the inside of the handle 1.
Further, the included angle between the guide surface 51 and the pressing surface 52 is between 10 degrees and 30 degrees.
Further, after the wedge 5 is locked in the locking hole 14, no gap exists between the locking surfaces.
Further, the guide table 13, the locking hole 14, the support arm 53 and the through hole 54 are symmetrically distributed.
The invention has the beneficial effects that: the wedge-shaped locking sealing structure of the camera shooting handle key is reasonable in design, when the wedge-shaped piece is locked along the handle guide table, the bottom surface of the fixing plate is extruded through the pressing surface, the pressing force is transmitted to the soft key silica gel, so that the annular surface and the lower annular surface area of the key silica gel are pressed by the inner annular surface and the annular surface of the fixing plate to form a sealed area, the waterproof and dustproof effects of the camera shooting handle are guaranteed, the included angle between the guide surface and the pressing surface is designed to enable the maximum static friction component force generated by the key force to be far smaller than the upper limit of the locking force, and therefore the reliable locking and sealing functions can be guaranteed through the smaller locking force.
Drawings
Fig. 1 is a schematic structural diagram of the handle key assembly of the present invention.
Fig. 2 is a schematic view of the handle structure of the present invention.
Fig. 3 is a schematic view of the soft rubber key structure of the present invention.
Fig. 4 is a schematic structural diagram of a keypad of the present invention.
Fig. 5 is a schematic structural view of a fixing plate according to the present invention.
FIG. 6 is a schematic view of the wedge construction of the present invention.
Detailed Description
The technical solution and the working principle of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
The present embodiment has the same structure as the present invention, and only the key parameters are listed here for simplifying the description.
Referring to fig. 1, 2, 3, 4, 5 and 6, the wedge-shaped locking and sealing structure of the camera shooting handle comprises a handle 1, a soft rubber key 2, a key plate 3, a fixing plate 4, a wedge 5 and a fastener 6, wherein the handle 1, the fixing plate 4 and the wedge 5 are all made of aluminum alloy, the soft rubber key 2 is made of silica gel, the key plate 3 is of a triple-key structure, the inner annular surface 12, the upper annular surface 21, the lower annular surface 22 and the fixing plate annular surface 41 are completely the same in shape and slightly different in size, the width of the annular surface is a single side 1.5mm, and an included angle between the inner annular surface 12 and the guide table 13 is 16 °.
The working principle is as follows: after installation and locking, the fastener 6 provides locking force to enable the guide surface 51 and the guide table 13 to be pressed tightly, pressing force is transmitted to the bottom surface 44 through the pressing surface 52, then transmitted to the lower ring surface 22 through the fixing plate ring surface 41, the upper ring surface 21 and the inner ring surface 12 are tightly pressed together, tan (16 degrees) is less than 1.05 according to the static friction coefficient of 1.05 between aluminum alloys and the included angle 16 degrees between the inner ring surface 12 and the guide table 13, the static friction force generated by key pressing force is far less than the locking force of the fastener 6, and the width of the closed ring surface generated by the inner ring surface 12 and the upper ring surface 21 can ensure reliable sealing.
The invention is particularly suitable for being applied to the camera handle conforming to ergonomics, has simple processing and assembly, solves the problems of long curing period, residual disassembly and the like caused by dispensing and sealing, and improves the product performance and the production efficiency.
Claims (4)
1. A wedge locking and sealing structure of a camera shooting handle comprises a handle (1), a soft rubber key (2), a key board (3), a fixing plate (4), a wedge piece (5) and a fastener (6), wherein the handle (1) is of a thin-wall hollow structure, the key board (3) is a circuit board and comprises a PCB (31), a key (32) and a key line (33), the PCB (31) is a substrate of the circuit board, the key (32) is a key function component on the PCB (31), the key line (33) is a transmission cable of the key board (3), the wedge piece (5) is of a wedge-shaped structure, the fastener (6) is a common screw, and the wedge locking and sealing structure is characterized in that the handle (1) comprises a hole (11), an inner ring surface (12), a guide table (13) and a locking hole (14), the hole (11) is an open hole penetrating through a single-layer shell and is positioned at the top of the handle (1), the inner ring surface (12) is an annular closed plane of the inner surface of the handle (1) around the hole (11), the guide table (13) is positioned inside of the handle (1) and is in an acute angle with the inner ring surface (12), and the guide table (13) is parallel to a central axis of the guide table (13); the soft rubber key (2) is a soft rubber part of a hat-shaped structure and comprises an upper ring surface (21), a lower ring surface (22) and a key position (23), the upper ring surface (21) and the lower ring surface (22) are upper ring planes and lower ring planes of a hat brim structure of the soft rubber key (2), the key position (23) can be located at any position of the soft rubber key (2) and is an initial structure triggered by the key function, and the outer boundary of the upper ring surface (21) is arranged between the inner boundary and the outer boundary of the inner ring surface (12); the fixing plate (4) is of an outside-in ascending step structure and comprises a fixing plate ring surface (41), a mounting groove (42), a threading hole (43) and a bottom surface (44), the fixing plate ring surface (41) is located on the outer edge of the fixing plate (4) and is a closed annular plane, the mounting groove (42) is of a groove structure located in the middle of the fixing plate (4), the threading hole (43) is of a through hole structure beside the mounting groove (42), the inner ring of the fixing plate ring surface (41) is slightly larger than the outer edge of the mounting groove (42), the fixing plate ring surface (41) and the mounting groove (42) are located on the same surface of the fixing plate (4), the bottom surface (44) is a bottom plane of the fixing plate (4), and the inner boundary of the lower ring surface (22) is located between the inner boundary and the outer boundary of the fixing plate ring surface (41); the wedge piece (5) comprises a guide surface (51), a pressing surface (52), a support arm (53), a through hole (54) and an avoiding hole (55), the guide surface (51) is a bottom plane of the wedge piece (5), the pressing surface (52) is a top plane of a wedge position of the wedge piece (5), an included angle between the guide surface (51) and the pressing surface (52) is equal to an included angle between the inner ring surface (12) and the guide table (13), the support arm (53) is of a cantilever structure, the extending direction of the support arm is perpendicular to the guide surface (51), the support arm (53) comprises the through hole (54), the through hole (54) is a through hole, the direction of a central shaft of the through hole is parallel to the guide surface (51), and the avoiding hole (55) is a through hole or a broken hole structure perpendicular to the guide surface (51); PCB (31) is installed in installation groove (42), soft gum button (2) is wholly covered on fixed plate (4) equipped with button board (3), make lower anchor ring (22) and fixed plate anchor ring (41) paste tightly, button cap 23 is located above button (32) just, handle (1) and soft gum button (2) contact installation, upper ring face (21) pastes tightly with interior annular surface (12), make button cap 23 expose through hole (11), wedge piece (5) are installed inside handle (1), guide surface (51) and guide platform (13) paste tightly, compress tightly face (52) and bottom plate 44 paste tightly, through-hole (54) and the coincidence of the center pin of locking hole (14), fastener (6) pass through-hole (54) lock and attach on locking hole (14), button line (33) pass through threading hole (43) and keep away position hole (55) and get into inside handle (1).
2. The wedge-shaped locking and sealing structure of the camera shooting handle according to claim 1 is characterized in that the included angle between the guide surface (51) and the pressing surface (52) is 10-30 degrees.
3. A wedge-shaped locking and sealing structure of a camera handle according to claim 1, characterized in that after the wedge (5) is locked in the locking hole (14), no gap exists between the locking surfaces.
4. A wedge-shaped locking and sealing structure of a camera handle according to claim 1, wherein the guide table (13), the locking hole (14), the arm (53) and the through hole (54) are arranged in bilateral symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011206838.8A CN112353347B (en) | 2020-11-03 | 2020-11-03 | Wedge-shaped locking and sealing structure of camera shooting handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011206838.8A CN112353347B (en) | 2020-11-03 | 2020-11-03 | Wedge-shaped locking and sealing structure of camera shooting handle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112353347A CN112353347A (en) | 2021-02-12 |
| CN112353347B true CN112353347B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011206838.8A Active CN112353347B (en) | 2020-11-03 | 2020-11-03 | Wedge-shaped locking and sealing structure of camera shooting handle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251818B (en) * | 2022-07-22 | 2025-03-18 | 佗道医疗科技有限公司 | A laparoscope structure |
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| DE19547332A1 (en) * | 1995-12-19 | 1997-06-26 | Bosch Gmbh Robert | Electric hand machine tool |
| JP2008051982A (en) * | 2006-08-23 | 2008-03-06 | Ricoh Co Ltd | Release structure of imaging apparatus and imaging apparatus |
| CN201237984Y (en) * | 2008-07-03 | 2009-05-13 | 青岛海信移动通信技术股份有限公司 | Press key sealing structure |
| CN201622947U (en) * | 2010-01-21 | 2010-11-03 | 珠海格力电器股份有限公司 | Sealing structure of key |
| CN202178179U (en) * | 2011-07-29 | 2012-03-28 | Tcl数码科技（深圳）有限责任公司 | Digital product and water-proof structure arranged at position of key of digital product |
| CN106062911B (en) * | 2014-07-26 | 2018-08-21 | 深圳市宝尔爱迪科技有限公司 | Key water-proof structure and the waterproof mobile phone for using the structure |
| CN204905128U (en) * | 2015-09-21 | 2015-12-23 | 深圳六滴科技有限公司 | Waterproof disjunctor button |
| WO2017210895A1 (en) * | 2016-06-08 | 2017-12-14 | 尚艳燕 | Video camera |
| CN206685292U (en) * | 2017-03-31 | 2017-11-28 | 杭州海康威视数字技术股份有限公司 | A kind of handheld device press key sealing structure and there is its handheld device |
| CN208093404U (en) * | 2018-03-07 | 2018-11-13 | 杭州海康威视数字技术股份有限公司 | A kind of function button structure and the hand-held thermal infrared imager with it |
| CN111276352B (en) * | 2018-12-05 | 2022-06-17 | 中兴通讯股份有限公司 | Key structure and terminal |
| CN209629618U (en) * | 2018-12-06 | 2019-11-15 | 上海世音光电仪器有限公司 | A kind of medical endoscope handle |
| CN209447717U (en) * | 2019-04-26 | 2019-09-27 | 潍坊歌尔电子有限公司 | A kind of press-key structure and wearable device |
| CN211484478U (en) * | 2019-10-16 | 2020-09-15 | 深圳迈瑞生物医疗电子股份有限公司 | Endoscope camera and endoscope camera system |
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