CN209198761U - A kind of endoscope optical focal length adjustment device - Google Patents
A kind of endoscope optical focal length adjustment device Download PDFInfo
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- CN209198761U CN209198761U CN201920133454.4U CN201920133454U CN209198761U CN 209198761 U CN209198761 U CN 209198761U CN 201920133454 U CN201920133454 U CN 201920133454U CN 209198761 U CN209198761 U CN 209198761U
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- fixedly connected
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- focal length
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Abstract
The utility model relates to endoscopic technique fields, and disclose a kind of endoscope optical focal length adjustment device, including shell and camera, shell upper end is fixedly connected with connecting rod, and the lower end of connecting rod offers blind hole, casing is fixedly connected with by through-hole on the left of the upper end of connecting rod, the left end opening of casing is fixedly connected with flat mirror, edge is fixedly connected with convex lens in the left end opening of casing, ring block is fixedly connected on camera, it is slidably connected on the inside of ring block and casing, fixed link is fixedly connected in blind hole, T-bar is slidably connected by mounting hole on the bar wall of fixed link, inclination is fixedly connected with drive rod on the horizontal part bar wall of T-bar, the upper end of drive rod is fixedly connected with cam block.The utility model can facilitate doctor to change the focal length of endoscope when in use, avoid affixing mouth mucus on camera, so that camera picture is clear, be conducive to Physician checks patients oral cavity.
Description
Technical field
The utility model relates to endoscopic technique field more particularly to a kind of endoscope optical focal length adjustment devices.
Background technique
Endoscope is a pipe equipped with light, it can be entered in stomach with direct oral cavity or be entered through other natural holes
In vivo.Using endoscope it can be seen that the lesion that X-ray cannot be shown, therefore it is highly useful to doctor.There are many endoscopes
Different types, classification method are had nothing in common with each other.It is broadly divided into single function mirror and Multi-function mirror at present.Single function mirror refers to do not have
Service aisle, the only peephole of optical system, Multi-function mirror refers to except having the function of that peephole is, in same shank, also has
There is the service aisle of at least more than one, there are the multiple functions such as illumination, operation, flushing and attraction.
In the prior art, when in use for the endoscope of dentistry, the structure of the optical camera of endoscope is fixed, not side
Just it focuses, needs endoscope whole close to patient oral cavity, will accidentally make camera adhere to mouth mucus, so that taking the photograph
Picture head phenomenon is unclear, influences Physician checks patients oral cavity.
Utility model content
Purpose of the utility model is to solve the endoscope optical cameras for being used for dentistry in the prior art to be not easy to
The problem of adjusting camera angle, and a kind of endoscope optical focal length adjustment device proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of endoscope optical focal length adjustment device, including shell and camera, the shell upper end are fixedly connected with
Connecting rod, and the lower end of connecting rod offers blind hole, the upper end left side of the connecting rod is fixedly connected with casing by through-hole, institute
The left end opening for stating casing is fixedly connected with flat mirror, and edge is fixedly connected with convex lens in the left end opening of described sleeve pipe, described
It is fixedly connected with ring block on camera, is slidably connected on the inside of the ring block and casing, is fixedly connected in the blind hole
Fixed link slidably connects T-bar, the horizontal part bar wall updip of the T-bar by mounting hole on the bar wall of the fixed link
It tiltedly is fixedly connected with drive rod, the upper end of the drive rod is fixedly connected with cam block, and the side of cam block and blind hole
It is slidably connected, the right end of the camera is fixed with mandril, and the side of the mandril and cam block is slidably connected, the set
The lower end of pipe offers strip through-hole, and link block, one end of the link block and annular are slidably connected in the strip through-hole
Block is fixedly connected, and the other end of the link block is fixedly connected with spring, the fixed company in the left end of the spring and the side of blind hole
It connects, the vertical portion lower end of the T-bar is fixed with rectangular shaft, and the side of the blind hole offers the item matched with rectangular shaft
Shape opening.
Preferably, sliding sleeve is connected to tension spring, one end of the tension spring and the horizontal part of T-bar on the bar wall of the T-bar
Bar wall is fixedly connected, and the other end of the tension spring is fixedly connected with the bar wall of fixed link.
Preferably, the upper end of the ring block is fixedly connected with sliding block, and the tube wall of described sleeve pipe offers sliding slot, the cunning
Slot is matched with sliding block.
Preferably, the one end of the mandril far from camera is arcuate structure.
Preferably, one end of the rectangular shaft passes through strip gab and is fixedly connected with brake plate.
Preferably, the material of the cam block is polyvinyl chloride.
Compared with prior art, the utility model provides a kind of endoscope optical focal length adjustment device, has following
The utility model has the advantages that
1, endoscope optical focal length adjustment device, by the brake plate being arranged in rectangular shaft, with the dynamic braking of rubber sleeve
Plate keeps rectangular shaft mobile, and rectangular shaft is mobile to drive T-bar to keep drive rod mobile, and drive rod is mobile to drive cam block to squeeze top
Bar, bar stress drive camera mobile, so as to facilitate doctor to change the focal length of endoscope when in use, avoid camera
On affix mouth mucus.
2, the endoscope optical focal length adjustment device, by the spring being arranged in connecting rod, spring can be pushed and be taken the photograph
As head contacts mandril with cam block, camera is facilitated to reset, the tension spring on T-bar can pull T-bar to move drive rod
Dynamic, drive rod is mobile to drive cam block to reset, and facilitating makes camera self-resetting when adjusting excessive.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, this is practical new
Type can facilitate doctor to change the focal length of endoscope when in use, avoid affixing mouth mucus on camera, so that camera is drawn
Face is clear, is conducive to Physician checks patients oral cavity.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of endoscope optical focal length adjustment device structural schematic diagram；
Fig. 2 is the schematic enlarged-scale view in Fig. 1 at A.
In figure: 1 rectangular shaft, 2T type bar, 3 connecting rods, 4 shells, 5 convex lens, 6 flat mirrors, 7 cameras, 8 sliding slots, 9 sliding blocks, 10
Ring block, 11 mandrils, 12 cam blocks, 13 drive rods, 14 casings, 15 tension springs, 16 fixed links, 17 link blocks, 18 springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of endoscope optical focal length adjustment device, including shell 4 and camera 7, camera 7 can
The picture captured is transmitted to external display device by signal wire, facilitates doctor to watch, this technology is wide in life
General application, those skilled in the art should know, Gu no longer do it is excessive repeat, 4 upper end of shell is fixedly connected with connecting rod
3, and the lower end of connecting rod 3 offers blind hole, the upper end left side of connecting rod 3 is fixedly connected with casing 14, casing 14 by through-hole
Left end opening be fixedly connected with flat mirror 6, it is solid on camera 7 along being fixedly connected with convex lens 5 in the left end opening of casing 14
Surely it is connected with ring block 10, ring block 10 and the inside of casing 14 are slidably connected, and the upper end of ring block 10 is fixedly connected with sliding block
9, the tube wall of casing 14 offers sliding slot 8, and sliding slot 8 is matched with sliding block 9, and fixed link 16, fixed link are fixedly connected in blind hole
T-bar 2 is slidably connected by mounting hole on 16 bar wall, inclination is fixedly connected with drive rod on the horizontal part bar wall of T-bar 2
13, the upper end of drive rod 13 is fixedly connected with cam block 12, and the material of cam block 12 is polyvinyl chloride, and cam block 12
It is slidably connected with the side of blind hole, the right end of camera 7 is fixed with mandril 11, a Slideslip of mandril 11 and cam block 12
Connection, the one end of mandril 11 far from camera 7 is arcuate structure, and the lower end of casing 14 offers strip through-hole, in strip through-hole
Link block 17 is slidably connected, one end of link block 17 is fixedly connected with ring block 10, and the other end of link block 17 is fixedly connected
There is spring 18, the left end of spring 18 is fixedly connected with the side of blind hole, and the vertical portion lower end of T-bar 2 is fixed with rectangular shaft 1,
The side of blind hole offers the strip gab matched with rectangular shaft 1, and one end of rectangular shaft 1 passes through strip gab and is fixedly connected
There is brake plate, sliding sleeve is connected to tension spring 15 on the bar wall of T-bar 2, and one end of tension spring 15 is fixed with the horizontal part bar wall of T-bar 2
Connection, the other end of tension spring 15 are fixedly connected with the bar wall of fixed link 16, and tension spring 15 can pull T-bar 2 to move drive rod 13
Dynamic, drive rod 13 is mobile to drive cam block 12 to reset, and facilitates 7 self-resetting of camera when adjusting excessive.
In the utility model, keep rectangular shaft 1 mobile in use, moving brake plate with rubber sleeve, rectangular shaft 1 is mobile to drive T-bar 2
Keep drive rod 13 mobile, drive rod 13 is mobile to drive cam block 12 to squeeze mandril 11, and 11 stress of bar drives camera 7 to move
It is dynamic, can facilitate doctor change when in use camera 7 and convex lens 5 the distance between, adjust the focal length of endoscope, avoid taking the photograph
As affixing mouth mucus on first 7, the spring 18 in connecting rod 17 can push camera 7 to connect mandril 11 with cam block 12
Touching facilitates camera 7 to reset, and the tension spring 15 on T-bar 2 can pull T-bar 2 to keep drive rod 13 mobile, and drive rod 13 is mobile
It drives cam block 12 to reset, facilitates 7 self-resetting of camera when adjusting excessive.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of endoscope optical focal length adjustment device, including shell (4) and camera (7), which is characterized in that the shell
(4) upper end is fixedly connected with connecting rod (3), and the lower end of connecting rod (3) offers blind hole, and the upper end of the connecting rod (3) is left
Side is fixedly connected with casing (14) by through-hole, and the left end opening of described sleeve pipe (14) is fixedly connected with flat mirror (6), the set
It manages in the left end opening of (14) along being fixedly connected with convex lens (5), is fixedly connected with ring block (10) on the camera (7),
It is slidably connected, is fixedly connected in the blind hole fixed link (16) on the inside of the ring block (10) and casing (14), it is described solid
It is slidably connected T-bar (2), is tilted on the horizontal part bar wall of the T-bar (2) solid by mounting hole on the bar wall of fixed pole (16)
Surely it is connected with drive rod (13), the upper end of the drive rod (13) is fixedly connected with cam block (12), and cam block (12)
It is slidably connected with the side of blind hole, the right end of the camera (7) is fixed with mandril (11), and the mandril (11) and triangle are sliding
The side of block (12) is slidably connected, and the lower end of described sleeve pipe (14) offers strip through-hole, is slidably connected in the strip through-hole
Have link block (17), one end of the link block (17) is fixedly connected with ring block (10), the other end of the link block (17)
Be fixedly connected with spring (18), the left end of the spring (18) is fixedly connected with the side of blind hole, the T-bar (2) it is vertical
Subordinate end is fixed with rectangular shaft (1), and the side of the blind hole offers the strip gab matched with rectangular shaft (1).
2. a kind of endoscope optical focal length adjustment device according to claim 1, which is characterized in that the T-bar (2)
Bar wall on sliding sleeve be connected to tension spring (15), one end of the tension spring (15) is fixedly connected with the horizontal part bar wall of T-bar (2),
The other end of the tension spring (15) is fixedly connected with the bar wall of fixed link (16).
3. a kind of endoscope optical focal length adjustment device according to claim 1, which is characterized in that the ring block
(10) upper end is fixedly connected with sliding block (9), and the tube wall of described sleeve pipe (14) offers sliding slot (8), the sliding slot (8) and sliding block
(9) it matches.
4. a kind of endoscope optical focal length adjustment device according to claim 1, which is characterized in that the mandril (11)
One end far from camera (7) is arcuate structure.
5. a kind of endoscope optical focal length adjustment device according to claim 1, which is characterized in that the rectangular shaft
(1) one end passes through strip gab and is fixedly connected with brake plate.
6. a kind of endoscope optical focal length adjustment device according to claim 1, which is characterized in that the cam block
(12) material is polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133454.4U CN209198761U (en) | 2019-01-25 | 2019-01-25 | A kind of endoscope optical focal length adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133454.4U CN209198761U (en) | 2019-01-25 | 2019-01-25 | A kind of endoscope optical focal length adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198761U true CN209198761U (en) | 2019-08-02 |
Family
ID=67431634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133454.4U Active CN209198761U (en) | 2019-01-25 | 2019-01-25 | A kind of endoscope optical focal length adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198761U (en) |
-
2019
- 2019-01-25 CN CN201920133454.4U patent/CN209198761U/en active Active
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