CN117158878A - Endoscope - Google Patents

Abstract

The invention discloses an endoscope, which comprises a hose, wherein a holding handle is fixed at one end of the hose, a connecting sleeve is fixed at the other end of the hose, a corrugated sleeve is fixed at one end of the connecting sleeve, which is far away from the hose, a shell is fixed at one end of the corrugated sleeve, which is far away from the corrugated sleeve, a camera is fixed at one end of the shell, which is far away from the corrugated sleeve, an angle adjusting mechanism is arranged in the corrugated sleeve, a control mechanism is arranged in the holding handle, and the angle adjusting mechanism comprises a connecting plate positioned in the corrugated sleeve. According to the endoscope provided by the invention, the angle of the shell is changed by driving the angle adjusting mechanism through the control mechanism, and the hose is rotated at the same time, so that the endoscope can more easily pass through the bent esophagus, after the camera enters the stomach, the position of the camera is adjusted through the shell, so that the position of the camera 12 is changed, a doctor can shoot a stomach appointed area conveniently, and convenience in use of the device is improved.

Description

Endoscope

Technical Field

The invention relates to the technical field of endoscopes, in particular to an endoscope.

Background

The endoscope is a tube equipped with light which can be introduced into the stomach orally or through other natural ducts, and can see the lesions which cannot be displayed by X-rays, so that it is very useful for a doctor who can observe ulcers or tumors in the stomach by means of the endoscope, thereby making an optimal treatment scheme, the original endoscope was made of a hard tube, although it was gradually improved by 100 years ago, it was not widely used, and later, the endoscope was made of a soft tube in the 50 th century of 20, so that it can be easily bent at the corners of the human body, and has a micro-integrated circuit sensor inside, and the observed information is fed back to a computer, and when the gastroscopy is performed using the endoscope, the doctor can insert the endoscope into the mouth of the patient, and then gradually guide it into the stomach through the esophagus, and the end of the endoscope is equipped with a camera, and can take a high-definition image during the examination, so that the doctor can observe and evaluate the condition of the digestive tract.

The utility model provides an endoscope for gastroenterology of publication number CN208404513U, including the endoscope body, endoscope body one end fixed mounting has the transmission subassembly of making a video recording, the one end inboard of transmission subassembly of making a video recording is provided with the camera, the both ends of camera all are provided with the transmission shaft, the one end of transmission shaft is provided with drive assembly, the outside of camera is provided with the light, the other end of transmission subassembly of making a video recording is provided with the annular lamp, the inside of transmission subassembly of making a video recording is provided with internal power source, one side of internal power source is provided with annular illumination banks, one side of annular illumination banks is provided with the conveyer, one side of conveyer is provided with the microchip, the device is an endoscope for the gastroenterology, the device can effectually solve the problem that the view is unclear when endoscope uses, the inner structure of endoscope has been changed, advance range nature illumination to whole through the annular lamp that sets up, the in-process that uses simultaneously can turn to the camera and adjust, enlarge the application range of camera, make the inspection effect more clear and definite.

However, when the present inventors embodied this device, the following drawbacks were found to exist: the existing endoscope enters the stomach through the esophagus of the human body by means of the softness of the endoscope, and because one end of the existing endoscope with a camera cannot be bent autonomously, the camera is difficult to adjust in the position of shooting after entering the stomach, a doctor usually requires a patient to change a body position, such as a left lateral position or a supine position, so that the gastroscope can change the position of the camera through the curvature of the stomach, and the problem that the existing endoscope is inconvenient in the use process is solved.

Disclosure of Invention

Based on this, it is necessary to provide an endoscope to the above-mentioned technical problem, drive angle adjustment mechanism through control mechanism and change the angle of shell to rotate the hose simultaneously, make the endoscope more easily through crooked esophagus, after the camera enters the stomach, adjust the position of camera through the shell, thereby change the position of camera 12, and then be convenient for the doctor shoot the region that the stomach appointed, be favorable to the convenience of hoisting device use.

In order to solve the technical problems, the invention adopts the following technical scheme:

an endoscope specifically includes: the hose, the one end of hose is fixed with the handle of gripping, the other end of hose is fixed with the adapter sleeve, the one end that the hose was kept away from to the adapter sleeve is fixed with the ripple cover, the one end that the adapter sleeve was kept away from to the ripple cover is fixed with the shell, the inside of shell just is located the one end of keeping away from the ripple cover and is fixed with the camera, the inside of ripple cover is equipped with angle adjustment mechanism, the inside of handle of gripping is provided with control mechanism, angle adjustment mechanism is including being located the inside connecting plate of ripple cover, the both ends of connecting plate are connected with the one end rotation that shell and adapter sleeve are close to each other respectively, the shell inner wall just is located the one end symmetry that is close to the ripple cover and is fixed with first connecting block and second connecting block, the bilateral symmetry of connecting plate is provided with first acting as go-between and second acting as go-between, the one end of first acting as go-between is fixed with first connecting block and second connecting block respectively.

As a preferred embodiment of the endoscope provided by the invention, the angle adjusting mechanism further comprises a second limiting block, the second limiting block is fixed on the inner side of one end, close to the corrugated sleeve, of the connecting sleeve, the second limiting block is positioned on one side of the connecting plate, a limiting ball is fixed on the other end of the second pull wire in a penetrating way through the second limiting block, the second pull wire is in sliding connection with the second limiting block, and a spring is arranged between the limiting ball and the second limiting block and positioned on the outer side of the second pull wire.

In a preferred embodiment of the endoscope provided by the invention, the control mechanism comprises a winding wheel rotatably connected to the inside of the holding handle, a worm wheel is fixed on one side of the winding wheel, a worm is rotatably connected to the inside of the holding handle, and the worm is meshed with the worm wheel.

In a preferred embodiment of the endoscope provided by the invention, one end of the worm is provided with a grip, and a knob is fixed outside the grip.

As a preferred implementation mode of the endoscope, the control mechanism further comprises a second fixing frame fixed inside the holding handle, a first limiting block is fixed on the inner side of the connecting sleeve and positioned at one end close to the corrugated sleeve, the first limiting block is positioned on the other side of the connecting plate, a protective sleeve is fixed between the first limiting block and the second fixing frame, the other end of the first pull wire penetrates through the first limiting block, the protective sleeve and the second fixing frame and is fixed inside the winding wheel, and the first pull wire is in sliding connection with the first limiting block, the protective sleeve and the second fixing frame.

As a preferred implementation mode of the endoscope provided by the invention, a lens is fixed at the position of the shell far away from one end of the corrugated sleeve and positioned corresponding to the camera, a swing framework is arranged at one end of the lens far away from the camera, a transmission rod is arranged at one side of the camera and is rotationally connected with the shell, one end of the swing framework is fixed with one end of the transmission rod, and a driving mechanism for driving the swing framework to rotate is arranged at one end of the camera far away from the lens.

As a preferred embodiment of the endoscope provided by the invention, the driving mechanism comprises a first fixing frame fixed in the shell, a motor is fixed in the first fixing frame, a third connecting rod is fixed at the output end of the motor, a first connecting rod is fixed at one end of the third connecting rod, a second connecting rod is fixed at one end of the first connecting rod, one end of the second connecting rod is fixed with the other end of the transmission rod, and rubber scraping strips are symmetrically fixed at one side, close to the lens, of the swinging framework.

As a preferable implementation mode of the endoscope provided by the invention, LED lamps are symmetrically fixed on two sides of the lens.

Compared with the prior art, the invention has the following beneficial effects:

1. through twisting the knob, drive the worm wheel and rotate, drive the reel rotation when the worm wheel rotates, rotate and overcome the elastic force pulling first acting as go-between of spring through the reel, pull first linkage block through first acting as go-between, thereby make the shell be close to one side rotation of first acting as go-between, when reverse rotation reel, the spring pulls the second acting as go-between through self elastic action, and drive the shell to be close to one side rotation of second acting as go-between through the second linkage block, medical personnel can adjust the bending angle of shell through twisting the knob, and rotate the hose simultaneously, make the endoscope more easily pass through crooked esophagus, after the camera enters into the stomach, adjust the position of camera through the shell, thereby change the position of camera 12, and then be convenient for the doctor shoots the region that the stomach appointed, be favorable to hoisting device use convenience.

2. The third connecting rod is driven to rotate through motor rotation, the second connecting rod is driven to swing through the first connecting rod when the third connecting rod rotates, the second connecting rod drives the swing framework to swing through the transmission rod, and the first stay wire rubs with the surface of the lens through the rubber scraping strip, so that mucus on the surface of the lens is scraped, and the influence of the mucus on the camera is reduced.

Drawings

In order to more clearly illustrate the solution of the present invention, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the partially enlarged structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the partially enlarged structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structure of the inner parts of the connecting sleeve, the corrugated sleeve and the outer shell of the present invention;

FIG. 5 is a schematic view of the structure of the inside of the grip of the present invention;

FIG. 6 is a schematic diagram of a control mechanism according to the present invention;

FIG. 7 is a schematic view of the partially enlarged structure of FIG. 4 according to the present invention;

fig. 8 is a schematic structural view of the driving mechanism of the present invention.

The labels in the figures are illustrated below:

1. a hose; 2. a grip handle; 3. a knob; 4. connecting sleeves; 5. a corrugated sleeve; 6. a housing; 7. a lens; 8. swinging the skeleton; 9. an LED lamp; 10. a first link; 11. a second link; 12. a camera; 13. a transmission rod; 14. a first fixing frame; 15. a motor; 16. a rubber scraping strip; 17. a third link; 18. a first pull wire; 19. a protective sleeve; 20. a first limiting block; 21. a first connection block; 22. a second connection block; 23. a second pull wire; 24. a spring; 25. a limit ball; 26. a connecting plate; 27. the second fixing frame; 28. a worm; 29. a second limiting block; 30. a reel; 31. a worm wheel.

Detailed Description

In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

As mentioned in the background art, the existing endoscope enters the stomach through the esophagus of the human body by means of its own softness, and since the end of the existing endoscope with the camera cannot be bent autonomously, the position of the camera after the camera enters the stomach is difficult to adjust, and a doctor usually requires the patient to change the position, such as the left lateral position or the supine position, so as to be beneficial to the gastroscope to pass through the curvature of the stomach, so as to change the position of the camera, which is very inconvenient in the use process.

In order to solve the technical problem, the invention provides an endoscope.

Referring specifically to fig. 1-3, an endoscope specifically includes: the hose 1, the one end of hose 1 is fixed with the handle 2 of gripping, the other end of hose 1 is fixed with adapter sleeve 4, the one end that adapter sleeve 4 kept away from hose 1 is fixed with ripple cover 5, the one end that adapter sleeve 4 was kept away from to ripple cover 5 is fixed with shell 6, the inside of shell 6 just is located the one end that is kept away from ripple cover 5 and is fixed with camera 12, the inside of ripple cover 5 is equipped with angle adjustment mechanism, the inside of handle 2 of gripping is provided with control mechanism, angle adjustment mechanism is including being located the inside connecting plate 26 of ripple cover 5, the both ends of connecting plate 26 are connected with the one end rotation that shell 6 and adapter sleeve 4 are close to each other respectively, shell 6 inner wall just is located the one end symmetry that is close to ripple cover 5 and is fixed with first connecting block 21 and second connecting block 22, the bilateral symmetry of connecting plate 26 is provided with first stay 18 and second stay 23, the one end of first stay 18 and second stay 23 is fixed with first connecting block 21 and second connecting block 22 respectively.

According to the endoscope provided by the invention, the angle of the shell 6 is changed by driving the angle adjusting mechanism through the control mechanism, and the hose 1 is rotated at the same time, so that the endoscope can more easily pass through the bent esophagus, after the camera 12 enters the stomach, the position of the camera 12 is adjusted through the shell 6, so that the position of the camera 12 is changed, a doctor can shoot a stomach appointed area conveniently, and convenience in use of the device is improved.

In order to make the person skilled in the art better understand the solution of the present invention, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to figures 1-4 of the drawings,

the endoscope comprises a hose 1, wherein a holding handle 2 is fixed at one end of the hose 1, one end of the holding handle 2 far away from the hose 1 is connected with a host, the host is not shown in the prior art, and is core equipment in an endoscope system and is responsible for receiving, processing and displaying images and videos captured by a camera 12, the inner side of the hose 1 is made of spiral plastic materials and is commonly used for providing structural support and rigidity so as to keep the shape of the endoscope stable, and the outer sides of the hose 1 and the holding handle 2 are made of silica gel materials so as to reduce tissue damage and provide better operation hand feeling and holding;

the other end of the hose 1 is fixed with a connecting sleeve 4, one end of the connecting sleeve 4 far away from the hose 1 is fixed with a corrugated sleeve 5, one end of the corrugated sleeve 5 far away from the connecting sleeve 4 is fixed with a shell 6, and in particular, the shell 6 is of a soft tubular structure and has a corrugated surface for isolating the internal structure from the outside, and the shell 6 can be freely bent due to the soft characteristic of the internal structure;

the inside of the shell 6 and one end far away from the corrugated sleeve 5 is fixedly provided with the camera 12, the inside of the corrugated sleeve 5 is provided with the angle adjusting mechanism, the inside of the holding handle 2 is provided with the control mechanism, specifically, the camera 12 is electrically connected with the host, the camera 12 is a core component of an endoscope system, the function of the endoscope system is to capture images and videos in the stomach, so that a doctor can diagnose and treat the stomach, the angle of the shell 6 is changed by driving the angle adjusting mechanism through the control mechanism, the hose 1 is rotated at the same time, the endoscope can more easily pass through a bent esophagus, after the camera 12 enters the stomach, the position of the camera 12 is adjusted through the shell 6, so that the position of the camera 12 is changed, the doctor can conveniently shoot a region appointed by the stomach, and convenience in use of the device is improved;

the angle adjusting mechanism comprises a connecting plate 26 positioned in the corrugated sleeve 5, two ends of the connecting plate 26 are respectively and rotatably connected with one ends, close to the outer shell 6 and the connecting sleeve 4, of the connecting plate, a first connecting block 21 and a second connecting block 22 are symmetrically fixed on the inner wall of the outer shell 6 and positioned at one end, close to the corrugated sleeve 5, of the connecting plate 26, a first stay wire 18 and a second stay wire 23 are symmetrically arranged on two sides of the connecting plate 26, one ends of the first stay wire 18 and the second stay wire 23 are respectively fixed with the first connecting block 21 and the second connecting block 22, and specifically, the first connecting block 21 and the second connecting block 22 are respectively pulled through the first stay wire 18 and the second stay wire 23 so as to change the bending angle of the outer shell 6, and then the position of the camera 12 is adjusted;

the angle adjusting mechanism further comprises a second limiting block 29, the second limiting block 29 is fixed on the inner side of one end, close to the corrugated sleeve 5, of the connecting sleeve 4, the second limiting block 29 is located on one side of the connecting plate 26, a limiting ball 25 penetrates through the second limiting block 29, the second pull wire 23 is in sliding connection with the second limiting block 29, a spring 24 is arranged between the limiting ball 25 and the second limiting block 29 and located on the outer side of the second pull wire 23, specifically, the second limiting block 29 is used for limiting the second pull wire 23, the limiting ball 25 is used for limiting the spring 24, when the tensile force of the first pull wire 18 is smaller than the elastic force of the spring 24, the second pull wire 23 is pulled through the elastic effect of the spring 24, so that the shell 6 can bend towards one side, close to the second pull wire 23, and when the tensile force of the first pull wire 18 is larger than the elastic force of the spring 24, the first pull wire 18 pulls the first connecting block 21 to drive the shell 6 to bend towards one side, close to the first pull wire 18;

LED lamps 9 are symmetrically fixed on two sides of the lens 7, and the LED lamps 9 are used for providing a light source for illuminating the inside of the stomach so as to facilitate examination and operation of doctors.

Referring to figures 4-6 of the drawings,

the control mechanism comprises a winding wheel 30 which is rotationally connected inside the holding handle 2, one side of the winding wheel 30 is fixedly provided with a worm wheel 31, the inside of the holding handle 2 is rotationally connected with a worm 28, the worm 28 is meshed with the worm wheel 31, one end of the worm 28 is used for holding the handle 2 and is positioned outside the holding handle 2, a knob 3 is fixed, specifically, the knob 3 is screwed to drive the worm wheel 31 to rotate, and the winding wheel 30 is driven to rotate when the worm wheel 31 rotates;

the control mechanism further comprises a second fixing frame 27 fixed inside the holding handle 2, a first limiting block 20 is fixed at the inner side of the connecting sleeve 4 and located at one end close to the corrugated sleeve 5, the first limiting block 20 is located at the other side of the connecting plate 26, a protective sleeve 19 is fixed between the first limiting block 20 and the second fixing frame 27, the other end of the first pulling wire 18 penetrates through the first limiting block 20, the protective sleeve 19 and the second fixing frame 27 and is fixed inside the winding wheel 30, the first pulling wire 18 is slidably connected with the first limiting block 20, the protective sleeve 19 and the second fixing frame 27, specifically, the protective sleeve 19 is used for isolating the first pulling wire 18 from the outside, when the control mechanism is used, the first pulling wire 18 is rotated through the winding wheel 30 and overcomes the elastic force of the spring 24, the first connecting block 21 is pulled through the first pulling wire 18, so that one side of the outer shell 6 close to the first pulling wire 18 is rotated, when the winding wheel 30 is reversely rotated, the spring 24 pulls the second pulling wire 23 through the elastic action of the second connecting block 22, the outer shell 6 is driven to rotate towards one side close to the second pulling wire 23, and the medical staff can adjust the bending angle of the outer shell 6 through screwing the knob 3, and therefore the position of the photographing head 12 can be adjusted.

Example 2

Further optimization of an endoscope is provided in example 1, in particular, as shown in figures 7-8,

the lens 7 is fixed at the position of the shell 6 far away from the corrugated sleeve 5 and corresponding to the camera 12, the swinging framework 8 is arranged at the end of the lens 7 far away from the camera 12, the transmission rod 13 is arranged on one side of the camera 12, the transmission rod 13 is rotationally connected with the shell 6, one end of the swinging framework 8 is fixed with one end of the transmission rod 13, the driving mechanism for driving the swinging framework 8 to rotate is arranged at the end of the camera 12 far away from the lens 7, in particular, the lens 12 is isolated from the outside through the lens 7, after the shell 6 and the camera 12 enter the stomach of a human body, the lens 7 possibly sticks to esophageal mucus, a layer of film is formed on the surface of the lens 7 by the mucus, so that the view of the camera 12 is fuzzy, the doctor is prevented from observing and diagnosing the inside of the stomach, and the surface of the lens 7 is cleaned by driving the swinging framework 8 through the driving mechanism, and the influence of the mucus on the camera 12 is reduced;

the driving mechanism comprises a first fixing frame 14 fixed inside the shell 6, a motor 15 is fixed inside the first fixing frame 14, a third connecting rod 17 is fixed at the output end of the motor 15, a first connecting rod 10 is fixed at one end of the third connecting rod 17, a second connecting rod 11 is fixed at one end of the first connecting rod 10, one end of the second connecting rod 11 is fixed with the other end of the transmission rod 13, rubber scraping strips 16 are symmetrically fixed on one side, close to the lens 7, of the swinging framework 8, specifically, the motor 15 rotates to drive the third connecting rod 17 to rotate, the third connecting rod 17 drives the second connecting rod 11 to swing through the first connecting rod 10 when rotating, the second connecting rod 11 drives the swinging framework 8 to swing through the transmission rod 13, and the first pull wire 18 rubs with the surface of the lens 7 through the rubber scraping strips 16 so as to scrape mucus on the surface of the lens 7.

The use process of the endoscope provided by the invention is as follows:

technical principle: when the endoscope is used, the worm wheel 31 is driven to rotate by twisting the knob 3, the worm wheel 31 drives the winding wheel 30 to rotate when rotating, the first stay wire 18 is pulled by the winding wheel 30 to rotate and overcome the elastic force of the spring 24, the first connecting block 21 is pulled by the first stay wire 18, so that the shell 6 rotates near one side of the first stay wire 18, when the winding wheel 30 is reversely rotated, the spring 24 pulls the second stay wire 23 through the elastic action of the spring 24, and drives the shell 6 to rotate near one side of the second stay wire 23 through the second connecting block 22, a medical staff can adjust the bending angle of the shell 6 by twisting the knob 3, and meanwhile, the hose 1 is rotated, so that the endoscope can more easily pass through a bent esophagus, after the camera 12 enters the stomach, the position of the camera 12 is adjusted through the shell 6, the position of the camera 12 is changed, photographing of a stomach appointed area by a doctor is facilitated, and convenience in use of the device is promoted;

when the surface of the lens 7 is stuck with esophageal mucus, the motor 15 rotates to drive the third connecting rod 17 to rotate, the third connecting rod 17 drives the second connecting rod 11 to swing through the first connecting rod 10 when rotating, the second connecting rod 11 drives the swing framework 8 to swing through the transmission rod 13, and the first pull wire 18 rubs with the surface of the lens 7 through the rubber scraping strip 16, so that the mucus on the surface of the lens 7 is scraped, and the influence of the mucus on the camera 12 is reduced.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present invention, but not all embodiments, and the preferred embodiments of the present invention are shown in the drawings, which do not limit the scope of the patent claims. This invention may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the invention are directly or indirectly applied to other related technical fields, and are also within the scope of the invention.

Claims (8)

1. An endoscope comprises a hose (1), wherein a holding handle (2) is fixed at one end of the hose (1), and the endoscope is characterized in that a connecting sleeve (4) is fixed at the other end of the hose (1), a corrugated sleeve (5) is fixed at one end, far away from the hose (1), of the connecting sleeve (4), and a shell (6) is fixed at one end, far away from the connecting sleeve (4), of the corrugated sleeve (5);

a camera (12) is fixed at one end, far away from the corrugated sleeve (5), of the inner part of the shell (6), an angle adjusting mechanism is arranged in the corrugated sleeve (5), and a control mechanism is arranged in the grip handle (2);

the angle adjusting mechanism comprises a connecting plate (26) positioned in the corrugated sleeve (5), two ends of the connecting plate (26) are respectively connected with one ends of the outer shell (6) and the connecting sleeve (4) which are close to each other in a rotating mode, a first connecting block (21) and a second connecting block (22) are symmetrically fixed on the inner wall of the outer shell (6) and positioned at one end, close to the corrugated sleeve (5), of the connecting plate (26), a first stay wire (18) and a second stay wire (23) are symmetrically arranged on two sides of the connecting plate (26), and one ends of the first stay wire (18) and one ends of the second stay wire (23) are respectively fixed with the first connecting block (21) and the second connecting block (22).

2. An endoscope according to claim 1, characterized in that the angle adjusting mechanism further comprises a second limiting block (29), the second limiting block (29) is fixed on the inner side of one end of the connecting sleeve (4) close to the corrugated sleeve (5), the second limiting block (29) is located on one side of the connecting plate (26), a limiting ball (25) is fixed on the other end of the second stay wire (23) penetrating through the second limiting block (29), the second stay wire (23) is slidably connected with the second limiting block (29), and a spring (24) is arranged between the limiting ball (25) and the second limiting block (29) and located on the outer side of the second stay wire (23).

3. An endoscope according to claim 2, characterized in that the control mechanism comprises a reel (30) rotatably connected inside the grip (2), a worm wheel (31) is fixed to one side of the reel (30), a worm (28) is rotatably connected inside the grip (2), and the worm (28) is meshed with the worm wheel (31).

4. An endoscope according to claim 3, characterized in that one end of the worm (28) is gripping the handle (2) and that a knob (3) is fixed outside the gripping handle (2).

5. An endoscope according to claim 3, characterized in that the control mechanism further comprises a second fixing frame (27) fixed inside the grip handle (2), a first limiting block (20) is fixed on the inner side of the connecting sleeve (4) and located at one end close to the corrugated sleeve (5), the first limiting block (20) is located on the other side of the connecting plate (26), a protective sleeve (19) is fixed between the first limiting block (20) and the second fixing frame (27), the other end of the first pull wire (18) penetrates through the first limiting block (20), the protective sleeve (19) and the second fixing frame (27) and is fixed inside the winding wheel (30), and the first pull wire (18) is in sliding connection with the first limiting block (20), the protective sleeve (19) and the second fixing frame (27).

6. An endoscope according to claim 1, characterized in that the housing (6) is kept away from one end of the bellows (5) and is located at a position corresponding to the camera (12) and is fixedly provided with a lens (7), one end of the lens (7) away from the camera (12) is provided with a swinging framework (8), one side of the camera (12) is provided with a transmission rod (13), the transmission rod (13) is rotationally connected with the housing (6), one end of the swinging framework (8) is fixed with one end of the transmission rod (13), and one end of the camera (12) away from the lens (7) is provided with a driving mechanism for driving the swinging framework (8) to rotate.

7. An endoscope according to claim 6, characterized in that the driving mechanism comprises a first fixing frame (14) fixed inside the casing (6), a motor (15) is fixed inside the first fixing frame (14), a third connecting rod (17) is fixed at the output end of the motor (15), a first connecting rod (10) is fixed at one end of the third connecting rod (17), a second connecting rod (11) is fixed at one end of the first connecting rod (10), one end of the second connecting rod (11) is fixed with the other end of the transmission rod (13), and rubber scraping strips (16) are symmetrically fixed at one side, close to the lens (7), of the swinging framework (8).

8. An endoscope according to claim 6, characterized in that LED lamps (9) are symmetrically fixed on both sides of the lens (7).