CN221229303U - Gear rack driven visual laryngoscope - Google Patents
Gear rack driven visual laryngoscope Download PDFInfo
- Publication number
- CN221229303U CN221229303U CN202221633952.3U CN202221633952U CN221229303U CN 221229303 U CN221229303 U CN 221229303U CN 202221633952 U CN202221633952 U CN 202221633952U CN 221229303 U CN221229303 U CN 221229303U
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- connecting rod
- driving motor
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- 230000000007 visual effect Effects 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
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Abstract
The utility model discloses a gear-rack driven visual laryngoscope which comprises a handle, a display screen and a lens tube, wherein the display screen is rotatably arranged at the top of the handle, the lens tube comprises an outer lens tube and an inner lens tube, one end of the outer lens tube is fixedly connected with the side wall of the lower end of the handle, the outer lens tube and the inner lens tube are internally communicated, the inner lens tube is inserted into and slidably connected with the outer lens tube, a gear-rack mechanism is arranged on a bottom plate in the handle, the gear-rack mechanism is connected with one end of the inner lens tube, and a camera angle adjusting assembly are arranged at the other end of the inner lens tube. The utility model can realize the adjustment of the angle and the position of the camera and improve the application range of the camera.
Description
Technical Field
The utility model relates to an endoscope, in particular to a gear-rack driven visual laryngoscope.
Background
Along with the development progress of science and technology, the conventional common laryngoscope is gradually replaced by the visual laryngoscope, and the visual laryngoscope can directly see the inside of the oral cavity of a patient through the display screen, so that the success rate of intubation of doctors is effectively improved.
However, in the prior art, most of the video laryngoscopes and cameras are fixed in angle, so that patients meeting different door heights need to adjust the angle repeatedly, and the video laryngoscopes and the cameras have certain use limitations.
Disclosure of utility model
The utility model aims to provide a gear-rack driven visual laryngoscope, which solves the technical problems in the prior art, can realize the adjustment of the angle and the position of a camera and improves the application range of the camera.
The utility model provides a gear-rack driven visual laryngoscope which comprises a handle, a display screen and a lens tube, wherein the display screen is rotatably arranged at the top of the handle, the lens tube comprises an outer lens tube and an inner lens tube, one end of the outer lens tube is fixedly connected with the side wall of the lower end of the handle, the outer lens tube and the inner lens tube are internally communicated, the inner lens tube is inserted into and slidably connected with the outer lens tube, a gear-rack mechanism is arranged on a bottom plate in the handle, the gear-rack mechanism is connected with one end of the inner lens tube, and a camera angle adjusting assembly are arranged at the other end of the inner lens tube.
In the aforementioned rack and pinion driven visual laryngoscope, preferably, a PLC programmable controller is disposed in the handle, a control key is disposed on a side wall of the handle, and the display screen, the control key, the rack and pinion mechanism, the camera and the camera angle adjusting assembly are all electrically connected with the PLC programmable controller.
In the aforementioned rack and pinion driven video laryngoscope, preferably, the rack and pinion mechanism includes a first driving motor, a rack and a reduction gear set, an output shaft of the first driving motor is connected with an input end of the reduction gear set, an output gear is fixedly arranged on an output shaft of the reduction gear set, one end of the rack is fixedly connected with an end portion of the endoscope tube, and the rack is meshed with the output gear.
In the aforementioned rack and pinion driven video laryngoscope, preferably, a rack limiting chute is provided at the bottom in the handle, and the rack is slidably mounted in the rack limiting chute.
In the aforementioned rack and pinion driven video laryngoscope, preferably, the camera is rotatably mounted in the endoscope tube through a rotation shaft, and a first connecting rod is fixedly connected to the rotation shaft.
In the aforementioned rack and pinion driven visual laryngoscope, preferably, the camera angle adjusting assembly comprises a second driving motor, a driving rod and a second connecting rod, wherein the second driving motor is fixedly arranged on the inner wall of the endoscope tube, an output shaft of the second driving motor is fixedly connected with one end of the driving rod, the other end of the driving rod is rotationally connected with one end of the second connecting rod, and the other end of the second connecting rod is rotationally connected with one end of the first connecting rod.
In the aforementioned rack and pinion driven visual laryngoscope, preferably, the camera angle adjusting assembly comprises a third driving motor, a limiting block and a third connecting rod, wherein the end part of the endoscope tube is fixedly provided with a mounting plate, the third driving motor is fixed on the mounting plate, one end of the third connecting rod is fixedly connected with an output shaft of the third driving motor, the other end of the third connecting rod is fixedly connected with the tail end of the camera, and the limiting block is fixedly arranged at the end part of the endoscope tube.
In the aforementioned rack and pinion driven visual laryngoscope, preferably, the stopper is formed with a semicircular groove towards one end of the third connecting rod, the end part of one end of the third connecting rod connected with the output shaft of the third driving motor is an arc surface, the end part of the mounting plate is an arc surface, and the tail end of the camera is provided with an arc concave surface matched with the mounting plate.
In the aforementioned rack and pinion driven video laryngoscope, preferably, a tongue depressor is disposed at an end of the outer tube.
Compared with the prior art, the utility model comprises a handle, a display screen and a lens tube, wherein the display screen is rotatably arranged at the top of the handle, the lens tube comprises an outer lens tube and an inner lens tube, one end of the outer lens tube is fixedly connected with the side wall of the lower end of the handle, the outer lens tube and the side wall of the lower end of the handle are internally communicated, the inner lens tube is inserted into and slidably connected with the outer lens tube, a bottom plate in the handle is provided with a gear rack mechanism, the gear rack mechanism is connected with one end of the inner lens tube, and a camera angle adjusting assembly are arranged in the other end of the inner lens tube. The lens tube is designed into the inner lens tube and the outer lens tube, and the position of the inner lens tube can be adjusted through the gear rack mechanism, so that the position of the camera can be adjusted, and meanwhile, the angle of the camera can be adjusted through the camera angle adjusting assembly. The problem of different patient sound door height difference has effectively been solved, need not to adjust the position of laryngoscope repeatedly, only need according to the position of demand regulation camera can, greatly improved the convenience, improved doctor's seeing efficiency moreover.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic view of a camera angle adjustment assembly and a camera;
fig. 4 is a schematic view of another embodiment of a camera angle adjustment assembly.
Reference numerals illustrate: the device comprises a handle 1, a display screen 2, an outer lens tube 3, an inner lens tube 4, a camera 5, a PLC programmable controller 6, a control key 7, a first driving motor 8, a rack 9, a reduction gear set 10, an output gear 11, a rack limiting chute 12, a rotating shaft 13, a first connecting rod 14, a second driving motor 15, a driving rod 16, a second connecting rod 17, a tongue depressor 18, a third driving motor 19, a limiting block 20, a third connecting rod 21, a mounting plate 22, a semicircular groove 23 and a circular arc concave surface 24.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1 of the present utility model: as shown in fig. 1-3, a gear-rack driven visual laryngoscope comprises a handle 1, a display screen 2 and a lens tube, wherein the display screen 2 is rotatably arranged at the top of the handle 1, the lens tube comprises an outer lens tube 3 and an inner lens tube 4, one end of the outer lens tube 3 is fixedly connected with the side wall of the lower end of the handle 1, the outer lens tube 3 is communicated with the interior of the handle 1, the inner lens tube 4 is inserted into and slidingly connected with the outer lens tube 3, a gear-rack mechanism is arranged on a bottom plate in the handle 1 and is connected with one end of the inner lens tube 4, a camera 5 and a camera angle adjusting assembly are arranged at the other end of the inner lens tube 4, and a tongue depressor 18 is arranged at the end of the outer lens tube 3.
By arranging the gear rack mechanism, the endoscope tube 4 can be driven to move in the outer endoscope tube 3, so that the position of the camera 5 is adjusted, and the angle of the camera 5 can be adjusted through the camera angle adjusting assembly, so that the utility model is suitable for different patients.
Specifically, a PLC programmable controller 6 is arranged in the handle 1, a control key 7 is arranged on the side wall of the handle 1, and the display screen 2, the control key 7, the gear rack mechanism, the camera 5 and the camera angle adjusting component are electrically connected with the PLC programmable controller 6. The control key 7 can be a physical key or a touch key, and the control key 7 has the functions of starting up/shutting down, moving the camera forward, moving the camera backward, rotating the camera upward, rotating the camera downward and the like. The display screen 2 is used for displaying pictures, the display screen 2 is provided with a switch key, brightness addition and brightness subtraction, and the PLC 6 is available in the prior art and can be purchased directly.
Further, the rack and pinion mechanism comprises a first driving motor 8, a rack 9 and a reduction gear set 10, an output shaft of the first driving motor 8 is connected with an input end of the reduction gear set 10, an output gear 11 is fixedly arranged on an output shaft of the reduction gear set 10, one end of the rack 9 is fixedly connected with an end portion of the endoscope tube 4, and the rack 9 is meshed with the output gear 11.
The first driving motor 8 is preferably a stepping motor, the reduction gear set 10 is a commercially available component, and can be purchased according to requirements, in order to ensure stability and stability when the rack 9 moves, a rack limiting chute 12 is preferably arranged at the bottom in the handle 1, and the rack 9 is slidably mounted in the rack limiting chute 12.
Furthermore, the camera 5 is rotatably installed in the endoscope tube 4 through a rotating shaft 13, and a first connecting rod 14 is fixedly connected to the rotating shaft 13. The camera angle adjusting assembly comprises a second driving motor 15, a driving rod 16 and a second connecting rod 17, wherein the second driving motor 15 is fixedly arranged on the inner wall of the endoscope tube 4, an output shaft of the second driving motor 15 is fixedly connected with one end of the driving rod 16, the other end of the driving rod 16 is rotationally connected with one end of the second connecting rod 17, the other end of the second connecting rod 17 is rotationally connected with one end of the first connecting rod 14, and the second driving motor 15 is also preferably a stepping motor.
The working principle of the utility model is as follows: when the PLC programmable controller works, the PLC programmable controller 6 receives corresponding electric signals by pressing the control key 7 and controls corresponding components to work. When the extension length of the camera 5 needs to be adjusted, the PLC programmable controller 6 controls the first driving motor 8 to rotate, the first driving motor 8 drives the output gear 11 to rotate through the reduction gear set 10, the output gear 11 drives the rack 9 to move along the rack limiting sliding groove 12, and the inner lens tube 4 is driven to slide in the outer lens tube 3 while the rack 9 moves, so that the adjustment of the extension position of the camera 5 is realized.
When the angle of the camera 5 needs to be adjusted, the PLC 6 controls the second driving motor 15 to rotate, the second driving motor 15 drives the driving rod 16 to rotate, the driving rod 16 drives the first connecting rod 14 through the second connecting rod 17, the first connecting rod 14 drives the rotating shaft 13 to rotate, and the rotating shaft 13 drives the camera 5 to rotate, so that the angle adjustment of the camera 5 is realized.
Example 2 of the present utility model: referring to fig. 4, in this embodiment and embodiment 1, different camera angle adjusting assemblies are adopted, in this embodiment, the camera angle adjusting assembly includes a third driving motor 19, a limiting block 20 and a third connecting rod 21, the third driving motor 19 is electrically connected with the PLC programmable controller 6, a mounting plate 22 is fixedly arranged on the right side surface of the end portion of the endoscope tube 4, the third driving motor 19 is fixed on the left side surface of the mounting plate 22, one end of the third connecting rod 21 is fixedly connected with an output shaft of the third driving motor 19, the other end of the third connecting rod 21 is fixedly connected with the tail end of the camera 5, and the limiting block 20 is fixedly arranged at the end portion of the endoscope tube 4.
Further, a semicircular groove 23 is formed at one end of the limiting block 20 facing the third connecting rod 21, one end part of the output shaft of the third connecting rod 21 and one end part of the output shaft of the third driving motor 19 are arc surfaces, the setting of the limiting block 20 enables the rotation angle of the third connecting rod 21 to be 180 degrees, the end part of the mounting plate 22 is arc surface, and the tail end of the camera 5 is provided with an arc concave surface 24 matched with the mounting plate 22. The arrangement of the arc surface at the end of the mounting plate 22 and the arc concave surface 24 at the tail end of the camera 5 can prevent the camera 5 from interfering with the end of the mounting plate 22 when adjusting the angle.
In this embodiment, when the angle of the camera 5 needs to be adjusted, the third driving motor 19 is controlled to rotate, and the third driving motor 19 drives the camera 5 to rotate through the third connecting rod 21, so that the angle adjustment is achieved, and the adjustment range of the camera 5 is 180 degrees due to the limit of the limit block 20 to the third connecting rod 21.
While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (9)
1. The utility model provides a rack and pinion transmission's visual laryngoscope, includes handle (1), display screen (2) and mirror tube, its characterized in that: the display screen (2) is rotatably installed at the top of the handle (1), the mirror tube comprises an outer mirror tube (3) and an inner mirror tube (4), one end of the outer mirror tube (3) is fixedly connected with the side wall of the lower end of the handle (1), the outer mirror tube (4) is internally communicated with the side wall of the lower end of the handle (1), the inner mirror tube (3) is inserted into the handle and is in sliding connection with the outer mirror tube, a gear rack mechanism is arranged on a bottom plate in the handle (1), the gear rack mechanism is connected with one end of the inner mirror tube (4), and a camera (5) and a camera angle adjusting assembly are installed at the other end of the inner mirror tube (4).
2. The rack and pinion visual laryngoscope as claimed in claim 1, wherein: be equipped with PLC programmable controller (6) in handle (1), be provided with control button (7) on the lateral wall of handle (1), display screen (2) control button (7), rack and pinion mechanism camera (5) with camera angle adjustment subassembly all with PLC programmable controller (6) electricity is connected.
3. A rack and pinion visual laryngoscope according to claim 2, wherein: the gear rack mechanism comprises a first driving motor (8), a rack (9) and a reduction gear set (10), wherein an output shaft of the first driving motor (8) is connected with an input end of the reduction gear set (10), an output gear (11) is fixedly arranged on an output shaft of the reduction gear set (10), one end of the rack (9) is fixedly connected with an end part of the endoscope tube (4), and the rack (9) is meshed with the output gear (11).
4. A rack and pinion visual laryngoscope according to claim 3, wherein: the bottom in the handle (1) is provided with a rack limiting chute (12), and the rack (9) is slidably arranged in the rack limiting chute (12).
5. A rack and pinion visual laryngoscope according to claim 2, wherein: the camera (5) is rotatably arranged in the endoscope tube (4) through a rotating shaft (13), and a first connecting rod (14) is fixedly connected to the rotating shaft (13).
6. The rack and pinion visual laryngoscope as claimed in claim 5, wherein: the camera angle adjusting assembly comprises a second driving motor (15), a driving rod (16) and a second connecting rod (17), wherein the second driving motor (15) is fixedly arranged on the inner wall of the endoscope tube (4), an output shaft of the second driving motor (15) is fixedly connected with one end of the driving rod (16), the other end of the driving rod (16) is rotatably connected with one end of the second connecting rod (17), and the other end of the second connecting rod (17) is rotatably connected with one end of the first connecting rod (14).
7. The rack and pinion visual laryngoscope as claimed in claim 1, wherein: the camera angle adjusting assembly comprises a third driving motor (19), a limiting block (20) and a third connecting rod (21), wherein a mounting plate (22) is fixedly arranged at the end part of the endoscope tube (4), the third driving motor (19) is fixed on the mounting plate (22), one end of the third connecting rod (21) is fixedly connected with an output shaft of the third driving motor (19), the other end of the third connecting rod (21) is fixedly connected with the tail end of the camera (5), and the limiting block (20) is fixedly arranged at the end part of the endoscope tube (4).
8. The rack and pinion visual laryngoscope as claimed in claim 7, wherein: the limiting block (20) faces one end of the third connecting rod (21) to form a semicircular groove (23), one end part of the third connecting rod (21) connected with an output shaft of the third driving motor (19) is an arc surface, the end part of the mounting plate (22) is an arc surface, and the tail end of the camera (5) is provided with an arc concave surface (24) matched with the mounting plate (22).
9. A rack and pinion visual laryngoscope according to any one of claims 1 to 8, wherein: the end part of the outer lens tube (3) is provided with a tongue depressor (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221633952.3U CN221229303U (en) | 2022-06-27 | 2022-06-27 | Gear rack driven visual laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221633952.3U CN221229303U (en) | 2022-06-27 | 2022-06-27 | Gear rack driven visual laryngoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221229303U true CN221229303U (en) | 2024-06-28 |
Family
ID=91599654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221633952.3U Active CN221229303U (en) | 2022-06-27 | 2022-06-27 | Gear rack driven visual laryngoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221229303U (en) |
-
2022
- 2022-06-27 CN CN202221633952.3U patent/CN221229303U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |