CN116784775B - Angle-adjustable endoscope - Google Patents
Angle-adjustable endoscope Download PDFInfo
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- CN116784775B CN116784775B CN202311084874.5A CN202311084874A CN116784775B CN 116784775 B CN116784775 B CN 116784775B CN 202311084874 A CN202311084874 A CN 202311084874A CN 116784775 B CN116784775 B CN 116784775B
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- 238000005491 wire drawing Methods 0.000 claims abstract description 60
- 241000270295 Serpentes Species 0.000 claims description 14
- 210000000988 bone and bone Anatomy 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses an angle-adjustable endoscope, which comprises an endoscope shell (1), wherein one end of the endoscope shell (1) is connected with a lens tube (2), a wire drawing driving assembly is arranged at one end, close to the lens tube (2), of the endoscope shell (1), an adjusting knob (3) is rotatably arranged at one end, connected with the lens tube (2), of the endoscope shell (1), the adjusting knob (3) is connected with the wire drawing driving assembly, an angle adjusting section (4) is connected with the end part of the lens tube (2), and the angle adjusting section (4) is connected with the wire drawing driving assembly through a wire drawing (5). The invention is convenient to operate, and the problem of clamping stagnation can not occur when the angle is adjusted, and the invention is not easy to damage.
Description
Technical Field
The invention relates to a medical endoscope, in particular to an angle-adjustable endoscope.
Background
As medical technology advances, the technology of endoscopes is becoming more mature. The endoscope is mostly used for minimally invasive surgery, natural holes of a human body or small holes are formed manually, a lens of the endoscope is inserted into a patient, and the endoscope is shot by a camera, so that a doctor can see the condition in the patient through a screen, and the operation treatment is facilitated.
The traditional endoscope tube is a straight tube and cannot be adjusted, so that the visual field range is limited, in order to improve the visual field range, people invent an angle-adjustable endoscope, in the prior art, the endoscope is a gun-shaped handle, a wire drawing adjusting mechanism is very complex in design, a special guide structure is required to be arranged in the handle for wire drawing, the trend of wire drawing is complex, on one hand, the wire drawing is easy to clamp, the angle cannot be adjusted once the wire drawing clamp occurs, the factory returning maintenance is not needed, the selling price of the endoscope is high, and the maintenance cost is very high. On the other hand, the complicated trend of the wire drawing can lead to the situation of unsmooth adjustment to occur, influence the operation experience, and in addition, the gun-shaped handle is inconvenient to operate when being held.
Disclosure of Invention
The invention aims to provide an angle-adjustable endoscope, which solves the technical problems in the prior art, is convenient to operate, does not have the problem of clamping stagnation when adjusting the angle, and is not easy to damage.
The invention provides an angle-adjustable endoscope, which comprises an endoscope shell, wherein one end of the endoscope shell is connected with a tube, a wire drawing driving assembly is arranged at one end, close to the tube, of the endoscope shell, an adjusting knob is rotatably arranged at one end, connected with the tube, of the endoscope shell, the adjusting knob is connected with the wire drawing driving assembly, an angle adjusting section is connected with the end of the tube, and the angle adjusting section is connected with the wire drawing driving assembly through wire drawing.
In the aforementioned endoscope with adjustable angle, preferably, a knob mounting portion is formed at one end of the endoscope housing, a limit cap mounting portion is formed at an end of the knob mounting portion, the adjusting knob is sleeved on the knob mounting portion, threads are formed on an outer wall of the limit cap mounting portion, a limit cap is connected to the limit cap mounting portion in a threaded manner, a scope tube mounting seat is formed at an end of the limit cap, and one end of the scope tube is connected with the scope tube mounting seat in a plugging manner.
In the aforementioned angle-adjustable endoscope, preferably, two through grooves are formed in the knob mounting portion, a cylindrical gear is rotatably mounted in each of the two through grooves, internal teeth are formed on an inner wall of the adjusting knob, and the adjusting knob is meshed with the cylindrical gear through the internal teeth.
In the foregoing angle-adjustable endoscope, preferably, the wire drawing drive assembly includes ring gear, first slider and second slider, be formed with the ring gear holding tank in the knob installation department, the ring gear is installed in the ring gear holding tank, the ring gear with two the gear engagement of column, first slider and second slider all with the cooperation of pegging graft of ring gear, equidistant first deflector that is provided with on the outer wall of first slider, equidistant second deflector that is provided with on the outer wall of second slider, first deflector with the equal slope of second deflector is arranged, first deflector with second deflector one-to-one is arranged relatively, be provided with two sets of guide bars on the inner wall of ring gear, two sets of guide bars set up relatively, every group the quantity of guide bar is two.
In the foregoing angle-adjustable endoscope, preferably, the first slider and the second slider are semicircular tubes, in two surfaces of the first slider and the second slider that are matched with each other, a first semicircular groove is formed on one surface, a first semicircular convex strip is formed on the other surface, in two surfaces of the second slider and the first slider that are matched with each other, a second semicircular convex strip that is in sliding fit with the first semicircular groove is formed on one surface, and a second semicircular groove that is in sliding fit with the first semicircular convex strip is formed on the other surface.
In the aforementioned angle-adjustable endoscope, preferably, a first guide block is arranged on an outer wall of one end of the first slider, a second guide block is arranged on an outer wall of the other end of the first slider, a third guide block is arranged on an outer wall of one end of the second slider, a fourth guide block is arranged on an outer wall of the other end of the second slider, two opposite guide grooves are formed on an inner wall of the limit cap mounting part, the first guide block and the third guide block are respectively in sliding fit with the two guide grooves, two groups of limit baffles are arranged in the endoscope shell, and the second guide block and the fourth guide block are respectively in sliding fit with the two groups of limit baffles.
In the foregoing angle-adjustable endoscope, preferably, the second guide block and the fourth guide block are provided with wire drawing fixing holes, the angle-adjusting section is a snake bone tube, two wire drawing sections are provided on the snake bone tube, one wire drawing end is fixed on the second guide block, and the other wire drawing end is fixed on the fourth guide block.
In the above-mentioned angle-adjustable endoscope, preferably, two keys are provided on the endoscope housing, a key circuit board is provided in the endoscope housing, and the two keys are connected with the key circuit board.
In the aforementioned angle-adjustable endoscope, preferably, an LED light source and a PCB control circuit board are provided in the endoscope case.
In the aforementioned angle-adjustable endoscope, preferably, the endoscope tube is a plastic hose.
Compared with the prior art, the endoscope comprises an endoscope shell, one end of the endoscope shell is connected with a lens tube, a wire drawing driving assembly is arranged at one end, close to the lens tube, of the endoscope shell, an adjusting knob is rotatably arranged at one end, connected with the lens tube, of the endoscope shell, the adjusting knob is connected with the wire drawing driving assembly, an angle adjusting section is connected with the end portion of the lens tube, and the angle adjusting section is connected with the wire drawing driving assembly through wire drawing. The wire drawing driving assembly is arranged at the end part in the endoscope shell, so that the wire drawing is directly connected with the wire drawing driving assembly, and a wire drawing wiring structure is not required to be arranged in the endoscope shell, thereby simplifying the internal structure of the endoscope shell, facilitating the wire drawing installation, reducing the processing difficulty and the production cost and reducing the failure rate.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is an exploded view of the handle portion of the present invention;
FIG. 3 is a schematic view of the structure of an endoscope housing;
FIG. 4 is a half cross-sectional view of an endoscope housing;
FIG. 5 is a schematic view of the internal structure of the present invention;
FIG. 6 is a schematic view of the structure of the first slider and the second slider;
FIG. 7 is an isometric view of a ring gear;
fig. 8 is a schematic view of a plastic hose construction for the scope tube.
Reference numerals illustrate: the endoscope housing 1, the endoscope tube 2, the adjusting knob 3, the angle adjusting section 4, the wire drawing 5, the knob mounting section 6, the limit cap mounting section 7, the limit cap 8, the endoscope tube mounting seat 9, the through groove 10, the cylindrical gear 11, the internal teeth 12, the gear ring 13, the first sliding block 14, the second sliding block 15, the gear ring accommodating groove 16, the first guiding plate 17, the second guiding plate 18, the guiding rod 19, the first semicircular groove 20, the first semicircular convex strip 21, the second semicircular convex strip 22, the second semicircular groove 23, the first guiding block 24, the second guiding block 25, the third guiding block 26, the guiding groove 27, the limit baffle 28, the wire drawing fixing hole 29, the key 30, the key circuit board 31, the LED light source 32, the PCB control circuit board 33, the anti-slip convex strip 34, the long strip-shaped protrusion 35 and the fourth guiding block 36.
Detailed Description
Embodiments of the present invention 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 invention.
Embodiments of the invention: as shown in fig. 1-7, an angle-adjustable endoscope comprises an endoscope shell 1, wherein the endoscope shell 1 is of a straight shank type structure, one end of the endoscope shell 1 is connected with a tube 2, a wire drawing driving assembly is arranged at one end, close to the tube 2, of the endoscope shell 1, one end, connected with the tube 2, of the endoscope shell 1 is rotatably provided with an adjusting knob 3, the adjusting knob 3 is connected with the wire drawing driving assembly, an angle adjusting section 4 is connected with the end of the tube 2, and the angle adjusting section 4 is connected with the wire drawing driving assembly through a wire drawing 5.
The adjusting knob 3 is used for driving the wire drawing driving assembly to move, the wire drawing 5 is adjusted through the movement of the wire drawing driving assembly, and the wire drawing 5 drives the angle adjusting section 4 to deflect, so that the angle adjustment is realized, and the visual range is improved.
In a specific embodiment, the endoscope housing 1 has a straight shank structure, two keys 30 are provided on the endoscope housing 1, a key circuit board 31 is provided in the endoscope housing 1, and the two keys 30 are connected to the key circuit board 31. The functions of the two keys 30 may be defined according to usage habits, for example, one key 30 is set to be image-enlarged and the other key 30 is set to be image-reduced; for another example, one key 30 is set as a screenshot, and the other key 30 is set as a video control; or one key 30 is set to increase in brightness, the other key 30 is set to decrease in brightness, etc. The keys 30 and the key circuit board 31 are all existing components and can be obtained directly through purchase.
Further, the endoscope housing 1 is further provided therein with an LED light source 32 and a PCB control circuit board 33, and in this embodiment, the wire drawing driving assembly, the key circuit board 31, the LED light source 32 and the PCB control circuit board 33 are sequentially arranged from one end to the other end in the endoscope housing 1. The LED light source 32 is mounted with an optical fiber, not shown in the drawing, the other end of which extends to the end of the mirror tube 2 for providing illumination. The key circuit board 31 and the LED light source 32 are electrically connected with the PCB control circuit board 33, the PCB control circuit board 33 is also connected with a data wire, the data wire extends out from the tail of the endoscope shell 1, the end part of the data wire is provided with a connecting terminal, the data wire and the connecting terminal are not shown in the drawing, the data wire and the connecting terminal are in the prior art, and the data wire and the connecting terminal are obtained through direct purchase.
Further, one end of the endoscope housing 1 is formed with a knob mounting portion 6, the end portion of the knob mounting portion 6 is formed with a limit cap mounting portion 7, the knob mounting portion 6 and the limit cap mounting portion 7 are of circular tube structures, the outer wall of the knob mounting portion 6 is a smooth surface, the adjusting knob 3 is sleeved on the knob mounting portion 6, the adjusting knob 3 is of circular ring structure, the adjusting knob 3 can rotate on the knob mounting portion 6, the outer wall of the limit cap mounting portion 7 is formed with external threads, the limit cap mounting portion 7 is connected with a limit cap 8 in a threaded manner, the limit cap 8 is of cone-shaped structure, the inner wall surface of the limit cap 8 is provided with internal threads, the end portion of the limit cap 8 is formed with a lens tube mounting seat 9, and one end of the lens tube 2 is spliced and fixed with the lens tube mounting seat 9.
The knob installation department 6 is formed with spacing boss with the connection transition position of endoscope casing 1, and the one end of adjust knob 3 is with this spacing boss contact, and the other end of adjust knob 3 is with spacing cap 8's one end contact, and spacing cap 8 is used for restricting adjust knob 3's axial position, and is used for connecting mirror tube 2, and mirror tube 2 and mirror tube mount pad 9 are interference fit preferably, also can adopt other modes such as bonding, welding to fix certainly to prevent that mirror tube 2 from coming off from mirror tube mount pad 9. Preferably, in order to prevent slipping when the adjustment knob 3 is rotated, an anti-slip protrusion 34 is provided on the outer wall surface of the adjustment knob 3.
Further, two through grooves 10 which are oppositely arranged are formed in the knob mounting portion 6, namely, the two through grooves 10 are symmetrical relative to the axis of the knob mounting portion 6, a cylindrical gear 11 is rotatably mounted in each of the two through grooves 10, the axis of the cylindrical gear 11 is parallel to the axis of the knob mounting portion 6, internal teeth 12 are formed on the inner wall of the adjusting knob 3, and the adjusting knob 3 is meshed with the cylindrical gear 11 through the internal teeth 12. The cylindrical gear 11 is mounted in the through groove 10 so as to be rotatable only, and is not axially displaced. The specifications of the two cylindrical gears 11 are identical. In this embodiment, the number of the columnar gears 11 is two, and of course, more columnar gears 11 can be set or only 1 columnar gear 11 can be set according to the requirement, and in this embodiment, two columnar gears 11 are set as a preferred scheme, so that the balance of force transmission can be ensured, the force applied to the wire drawing driving assembly is uniform, and two columnar gears 11 are set, one of which is damaged, and the other can continue to work, so that the normal use of the wire drawing driving assembly is not hindered.
Further, the wire drawing drive assembly includes ring gear 13, first slider 14 and second slider 15, be formed with ring gear holding tank 16 in the knob installation department 6, ring gear 13 installs in ring gear holding tank 16, ring gear 13 meshes with two columnar gears 11, first slider 14 and second slider 15 all are pegged graft the cooperation with ring gear 13, equidistant a plurality of first deflector 17 that are provided with on the outer wall of first slider 14, equidistant a plurality of second deflector 18 that are provided with on the outer wall of second slider 15, first deflector 17 and second deflector 18 all slope arrangement, first deflector 17 and second deflector 18 one-to-one are arranged, be provided with two sets of guide bars 19 on the inner wall of ring gear 13, two sets of guide bars 19 set up relatively, the quantity of every guide bar 19 is two.
In this embodiment, preferably, the first guide plate 17 and the second guide plate 18 are inclined towards the side where the lens tube 2 is located, the inclination angles of the first guide plate 17 and the second guide plate 18 can be set according to the requirement, and when the gear ring 13 is driven to rotate by the two cylindrical gears 11, the two groups of guide rods 19 respectively drive the first guide plate 17 and the second guide plate 18, so that the first slide block 14 and the second slide block 15 move in opposite directions, thereby realizing pushing of one wire drawing 5 and pulling of the other wire drawing 5, and changing the angle of the angle adjusting section 4.
Specifically, the first slider 14 and the second slider 15 are both semicircular pipes, a first semicircular groove 20 is formed on one of two surfaces of the first slider 14 and the second slider 15, a first semicircular convex strip 21 is formed on the other surface, a second semicircular convex strip 22 slidingly engaged with the first semicircular groove 20 is formed on one of two surfaces of the second slider 15 and the first slider 14, and a second semicircular groove 23 slidingly engaged with the first semicircular convex strip 21 is formed on the other surface.
The first slide block 14 and the second slide block 15 are buckled together to form a complete circular tube, the first slide block 14 and the second slide block 15 are in sliding fit, and the first slide block 14 and the second slide block 15 are buckled together without dislocation through the matching of the first semicircular groove 20 and the second semicircular raised line 22 and the matching of the first semicircular raised line 21 and the second semicircular groove 23, so that the inner diameter and the outer diameter of the first slide block 14 and the second slide block 15 are equal. The first guide plate 17 and the second guide plate 18 are symmetrical with respect to the axis of the endoscope housing 1, and in order to reduce friction resistance between the inner ring of the ring gear 13 and the first guide plate 17 and the second guide plate 18, a plurality of elongated protrusions 35 are preferably provided on the inner wall of the ring gear 13 at equal intervals, and the length of the elongated protrusions 35 is equal to the length of the ring gear 13. The outer walls of the first guide plate 17 and the second guide plate 18 are in contact with the elongated protrusions 35, when the angle adjusting section 4 is in a straight line state, the first slide block 14 is completely opposite to the second slide block 15, the first guide plate 17 is opposite to the second guide plate 18 one by one, at this time, one group of guide rods 19 is located at the upper ends (i.e. 12 o 'clock positions) of the first guide plate 17 and the second guide plate 18, the other group of guide rods 19 is located at the lower ends (i.e. 6 o' clock positions) of the first guide plate 17 and the second guide plate 18, the number of guide rods 19 in each group is two, one group of guide rods 19 is clamped on the first guide plate 17 and the second guide plate 18, and the other group of guide rods 19 is located between two adjacent first guide plates 17.
In order to ensure that the first slide block 14 and the second slide block 15 move axially without rotating circumferentially, a first guide block 24 is arranged on the outer wall of one end of the first slide block 14, a second guide block 25 is arranged on the outer wall of the other end of the first slide block 14, a third guide block 26 is arranged on the outer wall of one end of the second slide block 15, a fourth guide block 36 is arranged on the outer wall of the other end of the second slide block 15, two opposite guide grooves 27 are formed on the inner wall of the limit cap mounting part 7, the two guide grooves 27 are parallel to the axis of the limit cap mounting part 7, the first guide block 24 and the third guide block 26 are respectively in sliding fit with the two guide grooves 27, two groups of limit baffles 28 are arranged in the endoscope shell 1, and the second guide block 25 and the fourth guide block 36 are respectively in sliding fit with the two groups of limit baffles 28. Each set of limiting stops 28 consists of two stops with a gap between them, allowing the second guide block 25 and the fourth guide block 36 to move only in the axial direction of the endoscope housing 1.
Further, the second guide block 25 and the fourth guide block 36 are provided with wire drawing fixing holes 29, the angle adjusting section 4 is a snake bone tube, two wire drawing 5 are arranged on the snake bone tube, the end part of one wire drawing 5 is fixed on the second guide block 25, and the end part of the other wire drawing 5 is fixed on the fourth guide block 36. It should be noted that, the snake bone tube is the mature prior art, and can be obtained directly through purchasing, and the structure of the snake bone tube and how the wire drawing 5 is connected with the snake bone tube are not repeated here.
The product also comprises a camera, wherein the camera is arranged at the end part in the snake bone pipe, the wire harness of the camera passes through the circular pipe formed by the first slide block 14 and the second slide block 15 and is electrically connected with the PCB control circuit board 33, and the optical fiber passes through the circular pipe formed by the first slide block 14 and the second slide block 15 and extends to the end part of the snake bone pipe. The quantity of camera can set up according to the demand, for example can set up a camera or two cameras, when adopting two cameras, the shooting visual angle is wider.
Furthermore, the scope 2 has two schemes, scheme one: the mirror tube 2 adopts a metal straight tube scheme, and the mirror tube 2 has enough strong rigidity by adopting the metal straight tube scheme; scheme II: referring to fig. 8, the lens tube 2 is designed as a plastic hose, and when the second scheme is adopted, the lens tube 2 can bend along the natural hole in the human body, so that the camera at the end of the snake bone tube can reach the target position.
The working principle of the invention is as follows: when the angle of the snake bone tube needs to be adjusted, the adjusting knob 3 is rotated, the adjusting knob 3 drives the two columnar gears 11 to rotate, the two columnar gears 11 drive the gear ring 13 to rotate, two groups of guide rods 19 on the inner ring of the gear ring 13 move when the gear ring rotates, one group of guide rods 19 drive the first guide plate 17, the other group of guide rods 19 drive the second guide plate 18, the first guide block 14 and the second guide block 15 cannot rotate under the cooperation of the first guide block 24 and the third guide block 26 and the guide groove 27 and the cooperation of the second guide block 25 and the third guide block 26 and the limit baffle 28, and can only move along the axial direction of the endoscope shell 1, and the first guide plate 17 and the second guide plate 18 are symmetrically designed and are obliquely arranged, so that the first guide block 14 and the second guide block 15 move in opposite directions when the gear ring 13 rotates, and the two wire drawing wires 5 are pushed one by one to change the angle of the snake bone tube, and the adjustment of the endoscope angle is realized.
By adopting the structure of the invention, the wire drawing 5 is directly connected with the second guide block 25 and the fourth guide block 36 after entering the endoscope shell 1, so that the complex wiring structure of the traditional technology is omitted, a wire slot is not required to be arranged in the endoscope shell 1, the internal structure of the endoscope shell 1 is greatly optimized, the installation difficulty and the production difficulty are reduced, the clamping stagnation problem is well solved, and the failure rate is reduced. The bridge floor of the structural design has small occupied space and is quite convenient to operate. The endoscope shell 1 adopts a straight shank type structure, which is convenient for doctors to hold, and improves the operability.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (7)
1. An angle-adjustable endoscope comprising an endoscope housing (1), characterized in that: one end of the endoscope shell (1) is connected with a mirror tube (2), a wire drawing driving assembly is arranged at one end, close to the mirror tube (2), of the endoscope shell (1), an adjusting knob (3) is rotatably arranged at one end, connected with the mirror tube (2), of the endoscope shell (1), the adjusting knob (3) is connected with the wire drawing driving assembly, an angle adjusting section (4) is connected with the end of the mirror tube (2), and the angle adjusting section (4) is connected with the wire drawing driving assembly through a wire drawing (5);
a knob mounting part (6) is formed at one end of the endoscope shell (1), a limit cap mounting part (7) is formed at the end part of the knob mounting part (6), the adjusting knob (3) is sleeved on the knob mounting part (6), threads are formed on the outer wall of the limit cap mounting part (7), a limit cap (8) is connected on the limit cap mounting part (7) in a threaded manner, a lens tube mounting seat (9) is formed at the end part of the limit cap (8), and one end of the lens tube (2) is connected with the lens tube mounting seat (9) in a plugging manner;
two through grooves (10) which are oppositely arranged are formed in the knob mounting part (6), a columnar gear (11) is respectively and rotatably mounted in the two through grooves (10), internal teeth (12) are formed on the inner wall of the adjusting knob (3), and the adjusting knob (3) is meshed with the columnar gear (11) through the internal teeth (12);
wire drawing drive assembly includes ring gear (13), first slider (14) and second slider (15), be formed with ring gear holding groove (16) in knob installation department (6), ring gear (13) are installed in ring gear holding groove (16), ring gear (13) with two gear (11) meshing, first slider (14) with second slider (15) all with ring gear (13) grafting cooperation, equidistant first deflector (17) that are provided with on the outer wall of first slider (14), equidistant second deflector (18) that are provided with on the outer wall of second slider (15), first deflector (17) with second deflector (18) all slope arrangement, first deflector (17) with second deflector (18) one-to-one, be provided with two sets of guide bars (19) on the inner wall of ring gear (13), two sets of guide bars (19) set up relatively, every quantity of guide bars (19) is two.
2. The angularly adjustable endoscope of claim 1, wherein: the first sliding block (14) and the second sliding block (15) are semicircular pipes, a first semicircular groove (20) is formed in one of two faces of the first sliding block (14) matched with the second sliding block (15), a first semicircular convex strip (21) is formed in the other face, a second semicircular convex strip (22) matched with the first semicircular groove (20) is formed in one of the two faces of the second sliding block (15), and a second semicircular groove (23) matched with the first semicircular convex strip (21) in a sliding mode is formed in the other face.
3. The angularly adjustable endoscope of claim 2, wherein: be equipped with first guide block (24) on the outer wall of first slider (14) one end, be equipped with second guide block (25) on the outer wall of the other end, be equipped with third guide block (26) on the outer wall of second slider (15) one end, be equipped with fourth guide block (36) on the outer wall of the other end, be formed with two relative guide slots (27) on the inner wall of spacing cap installation department (7), first guide block (24) with third guide block (26) respectively with two guide slots (27) sliding fit, set up two sets of limit baffle (28) in endoscope casing (1), second guide block (25) with fourth guide block (36) respectively with two sets of limit baffle (28) sliding fit.
4. An angularly adjustable endoscope according to claim 3, characterised in that: be provided with wire drawing fixed orifices (29) on second guide block (25) with fourth guide block (36), angle adjustment section (4) are the snake bone pipe, be equipped with two on the snake bone pipe wire drawing (5), one of them wire drawing (5) tip is fixed on second guide block (25), another wire drawing (5) tip is fixed on fourth guide block (36).
5. The angularly adjustable endoscope according to any of claims 1-4, wherein: the endoscope is characterized in that two keys (30) are arranged on the endoscope shell (1), a key circuit board (31) is arranged in the endoscope shell (1), and the two keys (30) are connected with the key circuit board (31).
6. The angularly adjustable endoscope of claim 5, wherein: an LED light source (32) and a PCB control circuit board (33) are arranged in the endoscope shell (1).
7. The angularly adjustable endoscope of claim 6, wherein: the mirror tube (2) is a plastic hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311084874.5A CN116784775B (en) | 2023-08-28 | 2023-08-28 | Angle-adjustable endoscope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311084874.5A CN116784775B (en) | 2023-08-28 | 2023-08-28 | Angle-adjustable endoscope |
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| CN116784775A CN116784775A (en) | 2023-09-22 |
| CN116784775B true CN116784775B (en) | 2023-11-17 |
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| CN116784775A (en) | 2023-09-22 |
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