CN219680575U

CN219680575U - Locking device for endoscope adjustment, endoscope and locking device

Info

Publication number: CN219680575U
Application number: CN202222975052.3U
Authority: CN
Inventors: 金鸿雁; 时强强; 李晓春; 王永进
Original assignee: Micro Tech Nanjing Co Ltd
Current assignee: Micro Tech Nanjing Co Ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-09-15
Anticipated expiration: 2032-11-08

Abstract

The application provides a locking device for endoscope adjustment, which comprises a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly, wherein the first rotating wheel is connected with the first rotating shaft; the first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, the first traction disc is driven to rotate, and the rotation of the first traction disc adjusts the first traction wire, so that the observation angle of the endoscope in the first dimension is adjusted; the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft, and the tightness degree of the fit between the brake disc and the first rotating shaft or the outer peripheral surface of the first traction disc can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft.

Description

Locking device for endoscope adjustment, endoscope and locking device

Technical Field

The application relates to the field of medical instruments, in particular to a locking device for endoscope adjustment and a locking device.

Background

With the reform of the national medical system and the progress of medical technology, the popularization of advanced medical equipment and the application of endoscope equipment in daily medical operation are more and more widely performed.

The endoscope apparatus is a commonly used medical apparatus, and the main components are a traction wire, a bendable part, a light source, a lens and the like. In practical application, the front end lens of the endoscope enters the human body through the minimally invasive incision, and after the front end lens of the endoscope is usually adjusted to a proper position, the lens of the endoscope is fixed at a certain angle, a locking device is assembled on the endoscope for facilitating the observation of a lesion part, the movement control of a bendable part is realized through the locking device at the rear end of the endoscope, the adjustment of the observation angle of the front end lens of the endoscope is further realized, and the lesion condition of the relevant part is directly peeped. The endoscope locking device is used as an important component in actual operation and plays a vital role in realizing the observation of a lesion.

In the existing endoscope locking device, the locking hand wheel is generally used for realizing adjustment of the lens, and the problems of insufficient stability, low positioning precision, inflexible bending angle and the like exist when the endoscope locking device manipulates the lens in the operation process, so that the locking device for endoscope adjustment is provided, the angle flexibility and the stability of the endoscope lens in the operation process are improved, and the technical problem to be solved by the person skilled in the art is solved.

Disclosure of Invention

The embodiment of the utility model provides a locking device for endoscope adjustment, which aims to solve the problems of insufficient operation stability, low precision and inflexible bending angle of the traditional endoscope locking device. The embodiment of the utility model further provides an endoscope using the locking device and the locking device.

The locking device for endoscope adjustment provided by the embodiment of the utility model comprises a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly; the first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, the first traction disc is driven to rotate, and the rotation of the first traction disc adjusts the first traction wire, so that the observation angle of the endoscope in the first dimension is adjusted; the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc, and the tightness degree of the brake disc, which is attached to the outer peripheral surface of the first rotating shaft or the first traction disc, can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft.

In one embodiment of the present application, the brake disc is integrally formed as a frame structure which is clamped on the circumferential surface of the first rotating shaft or the first traction disc, and the frame structure is provided with a brake disc opening which enables the brake disc to be opened up and down; the brake disc driving assembly is provided with a fastener, the fastener is at least arranged at one end of the brake disc opening, acting force applied to the brake disc can be adjusted through the fastener, so that the clamping force applied to the first rotating shaft and the first traction disc by the brake disc is changed, the effect of adjusting the tightness degree of the brake disc attached to the outer peripheral surface of the first rotating shaft or the first traction disc is achieved, and the first rotating shaft is damped according with expectations.

In one embodiment of the application, a boss is provided at a position of the brake disc root opposite to the brake disc opening, by means of which boss the brake disc is fixed in the housing of the locking device.

In one embodiment of the application, the brake disc root position is provided with a gap that increases the elastic deformation space of the brake disc.

In one embodiment of the application, the boss is arranged between the first clamping post and the second clamping post on the machine body, so that the brake disc is fixed in the machine body of the locking device.

In one embodiment of the application, the fastener comprises: the upper nut is arranged at the upper port of the opening of the brake disc, and the lower nut is arranged at the lower port of the opening of the brake disc; a first thread pair is formed between the upper nut and the first section of the stud, a second thread pair is formed between the lower nut and the second section of the stud, and the first thread pair and the second thread pair have opposite thread screwing directions; by rotating the stud, the adjustment of the force applied to the brake disc is achieved.

In one embodiment of the application, the fastener comprises: the opening position of the frame structure is provided with internal threads matched with the stud to work; the upper port of the opening is matched with the first section of the stud to form a third thread pair, the lower port of the opening is matched with the second section of the stud to form a fourth thread pair, and the third thread pair and the fourth thread pair have opposite thread screwing directions; and rotating the stud to adjust the force applied to the brake disc.

In one embodiment of the application, the stud is provided with a holding part which extends out of the shell of the machine body; the grip portion is provided for an operator of the locking device to rotate the stud.

In one embodiment of the application, the stud is provided with an end face abutting against an outer surface of the housing of the machine body.

In one embodiment of the application, the locking device further comprises: the second rotating wheel and the second rotating shaft; the second rotating wheel is connected to the first end of the second rotating shaft, the first rotating shaft and the second rotating shaft are coaxial, and the second rotating shaft is sleeved on the peripheral surface of the first rotating shaft; a second traction disc is arranged at the position, close to the second end, of the second rotating shaft; the rotation of the second rotating shaft can be controlled through the second rotating wheel, the second traction disc is driven to rotate, and the rotation of the second traction disc adjusts the second traction wire, so that the observation angle of the endoscope in the second dimension is adjusted; the second dimension is in a different directional dimension than the first dimension; the whole brake disc is clamped on the peripheral surface of the second rotating shaft or the second traction disc; when the brake disc applies clamping force to the first rotating shaft and the first traction disc, corresponding clamping force is applied to the second rotating shaft and the second traction disc; thereby providing the required damping of the rotation of the second shaft.

In one embodiment of the application, the brake disc is arranged on one side of the outer peripheral surface of the first rotating shaft, and the tightness degree of the brake disc attached to the outer peripheral surface of the first rotating shaft can be adjusted through the brake disc driving assembly, so that the first rotating shaft is provided with expected damping.

In one embodiment of the application, the locking device for endoscope adjustment further comprises a second rotating wheel and a second rotating shaft; the second rotating wheel is connected to the first end of the second rotating shaft, and the second rotating shaft and the first rotating shaft are coaxial; the second rotating shaft is provided with a second traction disc near a second end position, and the brake disc is positioned on at least one side of the outer peripheral surface of the second rotating shaft; the tightness degree of the fit between the brake disc and the outer peripheral surface of the first rotating shaft is adjusted, and the tightness degree of the fit between the brake disc and the outer peripheral surface of the second rotating shaft is synchronously adjusted, so that expected damping is synchronously provided for the rotation of the second rotating shaft; rotation of the second traction disk is used to adjust a second traction wire of the endoscope, thereby adjusting an observation angle of the endoscope in a second dimension, the second dimension being in a different directional dimension than the first dimension.

In one embodiment of the application, an O-ring is sleeved on the joint of the outer peripheral surface of the first rotating shaft and/or the outer peripheral surface of the second rotating shaft and the brake disc.

In one embodiment of the present application, the contact surface of the brake disc with the outer peripheral surface of the first rotating shaft and/or the outer peripheral surface of the second rotating shaft is provided with surface textures for increasing friction force.

In one embodiment of the application, one end of the brake disc body is provided with a positioning hole which is rotatably sleeved on a fixed column of the shell of the locking device; the degree of tightness of the brake disc, the first rotating shaft and the second rotating shaft can be adjusted by adjusting the swinging angle of the brake disc, which is coiled by the brake disc, of the fixed column.

In one embodiment of the application, an arc-shaped through hole is arranged on the brake disc body of the brake disc; the brake disc driving assembly comprises a driving piece, a cantilever and a brake disc, wherein the driving piece is coaxially arranged with the first rotating shaft, the driving piece is further provided with the cantilever which is connected with the driving piece body and extends to one radial side, the cantilever is provided with a cantilever column which extends axially, and the cantilever column is inserted into an arc-shaped through hole arranged on the brake disc; the driving piece rotates, the cantilever column slides in the circular arc through hole along with the cantilever column, and then the brake disc is driven to swing around the fixed column, so that the swinging angle of the brake disc around the fixed column is adjusted.

In one embodiment of the application, the brake disc drive assembly further comprises a deflector rod having a length set substantially greater than the diameter of the driver body, one end of which is fixedly connected to the driver body and the other end of which protrudes in a radial direction and provides an operating surface for facilitating the pulling; by pulling the shift lever, the driving piece can be rotated.

In one embodiment of the application, spacers are provided at the axial clearance of the first and second traction discs.

In one embodiment of the application, the brake disc drive assembly are divided into two groups, providing said damping for the first and second rotational shafts, respectively.

The embodiment of the application also provides an endoscope, which comprises a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly; the first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, and the first traction disc is driven to rotate; the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc, and the tightness degree of the brake disc, which is attached to the outer peripheral surface of the first rotating shaft or the first traction disc, can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft; the rotation of the first traction disk is used for adjusting a first traction wire, so that the observation angle of the endoscope lens in a first dimension is adjusted; by this adjustment in combination with the damping provided by the brake disc, the endoscope lens can be driven as required to rotate to and stay at the desired viewing angle in the first dimension.

The embodiment of the application also provides a locking device which comprises a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly; the first rotating wheel is connected to the first end of the first rotating shaft; a first functional disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, and the first functional disc is driven to rotate; the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft or the first functional disc, and the tightness degree of the brake disc, which is attached to the outer peripheral surface of the first rotating shaft or the first functional disc, can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft.

The application provides a locking device for endoscope adjustment, which comprises a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly, wherein the first rotating wheel is connected with the first rotating shaft; the first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, the first traction disc is driven to rotate, and the rotation of the first traction disc adjusts the first traction wire, so that the observation angle of the endoscope in the first dimension is adjusted; the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft, the tightness degree of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the outer peripheral surface of the first traction disc can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft, when the locking device works, the lens positioned at the far-end bending part of the endoscope can be reliably fixed when the lens rotates to an angle meeting the requirement through the traction of the first traction wire, the angular flexibility and the stability of the lens of the endoscope in the operation process of the endoscope are finally realized, and the operation efficiency is improved.

In one of the preferred embodiments of the present application, the brake disc is integrally formed as a frame structure which is clamped on the circumferential surface of the first rotating shaft or the first traction disc, and the frame structure has a brake disc opening which allows the brake disc to be opened up and down; the brake disc driving assembly is provided with a fastener, the fastener is at least arranged at one end of the brake disc opening, acting force applied to the brake disc can be adjusted through the fastener, so that the clamping force applied to the first rotating shaft and the first traction disc by the brake disc is changed, the effect of adjusting the tightness degree of the brake disc attached to the outer peripheral surface of the first rotating shaft or the first traction disc is achieved, and the first rotating shaft is damped according with expectations. In a further preferred form of this preferred embodiment, the fastener is implemented using a threaded pair arrangement. The preferred embodiment can realize continuous adjustment of the clamping degree, and can be reliably kept at any adjusting position, thereby meeting various required operating handfeel.

In a second preferred embodiment of the present application, the brake disc is disposed at one side of the outer circumferential surface of the first rotating shaft, and the degree of tightness of the brake disc against the outer circumferential surface of the first rotating shaft can be adjusted by the brake disc driving assembly, thereby providing desired damping for the rotation of the first rotating shaft. The preferred embodiment has the characteristics of simple structure and convenient operation.

Drawings

The above and other objects, features and advantages of embodiments of the present application will become more readily apparent from the following detailed description with reference to the accompanying drawings. Various embodiments of the application will now be described, by way of example and not limitation, in the figures of the accompanying drawings, in which:

FIG. 1 is a schematic cross-sectional view of a locking device for endoscope adjustment according to a first embodiment of the present application;

FIG. 1A is a schematic illustration of a brake disc drive assembly of the locking device of FIG. 1;

FIG. 2 is a schematic view of the locking device of FIG. 1 from another perspective;

FIG. 2A is a schematic view of a brake disc structure of the locking device of FIG. 2;

FIG. 3 is a left side view of the locking device of FIG. 2;

FIG. 4 is a top view of the locking device of FIG. 2;

FIG. 5 is a schematic view of a first traction sheave of the locking apparatus of FIG. 2;

FIG. 6 is a schematic view of another connection between the upper disc and the lower disc of the locking device of FIG. 2;

FIG. 7 is a schematic view showing a state in which the locking device of FIG. 2 is locked;

FIG. 8 is a schematic cross-sectional view of a locking device for endoscope adjustment according to a third embodiment;

FIG. 9 is a schematic view of the locking device for endoscope adjustment of FIG. 8 in a non-locked state;

FIG. 10 is a schematic view of the locking device for endoscope adjustment of FIG. 8 in a locked state;

FIG. 11 is a schematic view of the brake disc configuration of the locking device for endoscope adjustment of FIG. 8; wherein, the left side is a perspective view of the whole structure of the brake disc, and the right side is a front view of one disc of the brake disc;

FIG. 12 is a schematic view of the drive member of the locking device for endoscope adjustment of FIG. 8;

FIG. 13 is a schematic view of a first pulling disc configuration of the locking device for endoscope adjustment of FIG. 8;

fig. 14 is a schematic view showing the overall structure of an endoscope according to a fourth embodiment.

Reference numerals:

first embodiment part reference numerals:

10-locking device;

100-a runner assembly; 110-a first wheel assembly; 111-a first wheel; 113-a first spindle; 115-a first traction disk; 1151-a first traction disk groove; 1153-a first traction wire; 1155-a first traction aperture; 1157-a first traction disk central aperture; 130-a second wheel assembly; 131-a second wheel; 133-a second spindle; 135-a second traction disk; 1351-second traction disk groove; 150-spacers;

300-brake disc; 310-brake disc body (frame structure); 311-brake disc upper disc; 313-brake disc lower disc; 315—brake disc opening; 3151—brake disc open upper port; 3153—brake disc open lower port; 317-gap; 330-boss;

500-a brake disc drive assembly; 510-a fastener; 511-studs; 513-upper nuts; 515-lower nut; 530-a grip;

second embodiment part reference numerals:

115' -first function disk; 135' -second function disk; reference numerals are otherwise made to the first embodiment.

Third embodiment part reference numerals:

210-locking means;

2100-wheel assembly; 2110-a first wheel assembly; 2111-a first wheel; 2113—a first shaft; 2115-first traction disk; 21151-first traction disk groove; 21153-first pull wire; 21155-first traction aperture; 21157—first traction disk central aperture;

2130-a second wheel assembly; 2131-a second wheel; 2133-a second shaft; 2135-a second traction disk; 21351-second traction disk groove;

2150-spacers; 2170-O-ring seal; 2170-1 first set of O-ring seals; 2170-2 second set of O-ring seals;

2300-brake disc; 2310-a brake disc body; 2310-1-a first brake disc body, 2310-2-a second brake disc body; 2330-brake disc grooves; 2350-circular-arc-shaped through holes; 2370-locating holes;

2500-a brake disc drive assembly; 2510—a driver; 2511—a drive member outer edge platform; 2513—a driver hollow; 2515—drive body; 2517-cantilever; 2519-cantilever columns; 2530—a toggle lever;

2700-handle; 2710-fixed column;

fourth embodiment part reference numerals:

2-an endoscope;

210-locking means;

20-a light source assembly;

30-pulling the wire;

40-suction tube;

50-flushing the tube;

60-aviation connector;

70-lens;

80-a bendable portion;

90-conduit;

2530—a toggle lever;

2700-handle;

fifth embodiment part reference numerals:

2115' -first function disk; 2135' -a second functional disk; reference numerals are otherwise made to the third embodiment.

Detailed Description

Embodiments of the present application 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 and intended to explain the present application and should not be construed as limiting the application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, 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; 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the endoscopes of the prior art, a locking hand wheel is generally used for adjusting the lens of the endoscope, and in the operation process, the problems of insufficient stability, low positioning precision, inflexible bending angle and the like exist when a plurality of endoscope locking devices operate the lens.

In view of the above, the present application provides a locking device for endoscope adjustment, comprising a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly, wherein the first rotating wheel is connected to a first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, the first traction disc is driven to rotate, and the rotation of the first traction disc adjusts the first traction wire, so that the observation angle of the endoscope in the first dimension is adjusted; the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft, and the tightness degree of the fit between the brake disc and the first rotating shaft or the outer peripheral surface of the first traction disc can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft. Through the damping applied to the rotation of the first rotating shaft, the first traction disc is used for carrying out winding and unwinding control on the first traction wire, so that the angle and the position of the endoscope lens are adjusted by the first traction wire, the bending and the fixing of the bending part at the distal end of the endoscope under any angle are facilitated, the combination of the flexibility and the stability of the positioning angle of the endoscope lens in the operation process of the endoscope is finally realized, and the operation efficiency is improved.

While several alternative implementations of the present disclosure are described below in connection with the accompanying drawings, it should be understood by those skilled in the art that the following implementations are merely illustrative and not an exhaustive list, and that certain features or certain examples may be substituted, combined, or combined by those skilled in the art on the basis of these implementations, which are still to be regarded as the disclosure of the present disclosure.

A first embodiment of the present application will be described in detail with reference to fig. 1 to 7. This embodiment has the advantage of providing a continuous, stable operating feel with high adjustment reliability.

As shown in fig. 1, a schematic cross-sectional structure of a locking device 10 for endoscope adjustment is provided in this embodiment; wherein, the left side of fig. 1 is the first end of the locking device 10, i.e. the end of the runner assembly 100; to the right of fig. 1 is a second end of the locking device 10, namely one end of the brake disc 300; in this figure, the brake disc drive assembly 500 cannot be displayed due to the view angle, and it can be understood with reference to fig. 1A and the subsequent schematic drawings, fig. 1A shows the structure of the brake disc drive assembly 500. Fig. 2 is a schematic structural view of the locking device 10 in fig. 1 in another view, that is, a schematic structural view of one end of the brake disc 300 facing out of the paper; in this figure, the locking device 10 is in an unlocked state. Fig. 3 is a left-hand structural schematic view of the locking device 10 of fig. 2; fig. 4 is a schematic top view of the locking device 10 of fig. 2.

Referring to the illustrations of fig. 1 and 1A, the locking device 10 includes the following components or parts: a rotor assembly 100; a brake disc 300; brake disc drive assembly 500.

The arrangement of the above-described individual components can be described generally as follows: the wheel assembly 100 is positioned at a first end (left side of fig. 1) of the locking device 10, the brake disc 300 is positioned at a second end (right side of fig. 1) of the locking device 10, and the brake disc drive assembly 500 is also positioned at a second end (right side of fig. 1) of the locking device 10 and is disposed at one end of the brake disc 300. The brake disc drive assembly 500 is coupled to the brake disc 300 by fasteners 510 to apply a force to the brake disc 300.

In this embodiment, the locking device 10 further comprises the following components: a handle; the components are not shown in the drawings of the present application, but as necessary components during operation of the endoscope, the use of the components can be easily understood by those skilled in the art; the handle is actually the body of the locking device 10, providing a locating basis for the other various components; the endoscope is characterized in that the endoscope is called a handle, and actually, the whole structure of the endoscope is used as the handle, and is generally designed into two mutually buckled cover bodies which can be disassembled according to the assembly and repair requirements; in this embodiment, the handle is a hollow circular housing made of plastic, and is used to provide mounting positions for the rotor assembly 100 and the brake disc 300, and in this embodiment, the components related to the locking device 10 of the machine body are mainly a first clamping column and a second clamping column, and the brake disc 300 is fixed in the machine body of the locking device 10 by using the first clamping column and the second clamping column.

Turning now to the wheel assembly 100, the wheel assembly 100 includes: a first wheel assembly 110; a second wheel assembly 130; and a spacer 150.

The individual components are described in detail below.

The wheel assembly 100 includes: a first runner assembly 110, a second runner assembly 130, and a spacer 150; the first wheel assembly 110 includes: a first pulley 111, a first shaft 113, a first traction disk 115; the second wheel assembly 130 includes: a second rotating wheel 131, a second rotating shaft 133 and a second traction disk 135.

The first rotating wheel 111 is connected to a first end of the first rotating shaft 113, and serves as an operating handle arranged on the first rotating shaft 113; in this embodiment, the first rotating wheel 111 is disposed at a first end (left side in fig. 1) of the first rotating shaft 113; the first traction disk 115 is disposed at the other end of the first rotating shaft 113, i.e., the second end (right side of fig. 1) of the first rotating shaft 113; the second rotating wheel 131 is connected to the first end of the second rotating shaft 133, and the second rotating shaft 133 and the first rotating shaft 113 are coaxial, in this embodiment, as a most possible arrangement, the second rotating shaft 133 is sleeved on the outer peripheral surface of the first rotating shaft 113 to achieve the above-mentioned coaxial arrangement; the second traction disk 135 is disposed at a second end position of the second rotating shaft 133. As can be seen, the second traction disk 135 is disposed at a first end (to the right in fig. 1) relative to the first traction disk 115. In addition, the first rotating wheel 111 is located at a position closer to the first end of the second rotating wheel 131, a boss protruding toward the second end is arranged on the first rotating wheel 111, and a corresponding groove is arranged on the second rotating wheel 131, so that the boss is embedded in the groove, and the installation size of the first rotating wheel 111 and the second rotating wheel 131 in the axial direction is shortened. Of course, the coaxial arrangement of the first shaft 113 and the second shaft 133 may also take other different forms, for example, an arrangement in which the two ends are opposite to each other, and if such an arrangement is adopted, the layout of the whole locking mechanism is obviously different from the present embodiment, but the principle is not substantially different.

After the structure and connection relation between the rotating shafts and the rotating wheels are described, the structure of the traction disc is described next, and the second traction disc 135 and the first traction disc 115 have the same structure, so the description of the structure of the second traction disc 135 is referred to the first traction disc 115, and is not repeated here.

Referring to fig. 5, fig. 5 is a schematic structural view of the first traction disk 115 in the locking device 10. Also shown in this figure is a first spindle 113 connected to the first traction disk 115. The specific structure of the first traction disk 115 is described in detail below in conjunction with fig. 5, and reference is also made to fig. 1.

The first traction disk 115 is disposed at the second end of the first rotating shaft 113; the first traction disc 115 is provided with a position for fixing the first traction wire 1153, the rotation of the first rotation shaft 113 can be controlled through the first rotation wheel 111, and the first traction disc 115 is driven to rotate, the rotation of the first traction disc 115 adjusts the extending distance of the first traction wire 1153, and the first traction wire 1153 can also drag the lens of the endoscope, so that the observation angle of the endoscope in the first dimension is adjusted to be in a proper angle.

As shown in fig. 5, the first traction disk 115 includes: a first traction disk recess 1151; a first pull wire 1153; a first pulling eye 1155; first traction disk central bore 1157.

The first traction disc 115 is of a hollow disc structure, the first traction disc groove 1151 is located on the outer circumferential surface of the first traction disc 115, the first traction wire 1153 enters the first traction disc 115 through the first traction disc groove 1151, a symmetrical bidirectional first traction hole 1155 is formed in the circumferential surface of the first traction disc 115, the symmetrical first traction hole 1155 is used for receiving and releasing the first traction wire 1153, the first traction disc center hole 1157 is formed in the disc center position of the first traction disc 115 and is fixedly embedded with the first rotating shaft 113, and the first traction disc 115 is installed at the second end of the first rotating shaft 113 through the structure.

One end of a first traction wire 1153 is fixed on the first traction disc 115 and can be immersed in the first traction disc groove 1151, and the retraction and the extension of the first traction wire 1153 can be adjusted by rotating the first traction disc 115, so that the observation angle of the endoscope in a first dimension is adjusted; specifically, the rotation of the first traction disk 115 can control the winding and unwinding of the first traction wire 1153 in the first dimension, so as to adjust the extending distance thereof; as a possible arrangement, in this embodiment, the first traction wire 1153 is composed of two traction wires, the observation angle of the first dimension is in the up-down direction, and the two traction wires of the first traction wire 1153 individually control the observation angle of the endoscope in the up-down direction; in this embodiment, the composition and control dimension of the first traction wire are only one illustration, and other possible compositions and control manners for the traction wire are not excluded.

Like the first traction disk 115, the second traction disk 135 has a similar structure, except that it is disposed at a second end position of the second rotating shaft 133. The second traction disc 135 is used for fixing a second traction wire, and the second traction wire is similar to the first traction wire in composition, and the retraction and the extension of the second traction wire can be adjusted by rotating the second traction disc 135, so that the observation angle of the endoscope in a second dimension, for example, the observation angle of the endoscope in the left-right direction, can be adjusted; specifically, the rotation of the second traction disk 135 can control the winding and unwinding of the second traction wire in the second dimension, so as to adjust the extending distance thereof.

In this embodiment, the first traction wire and the second traction wire are both buried in the catheter of the endoscope, two ends of each traction wire are respectively positioned at the bending end and the traction disk end of the catheter of the endoscope, one end of each traction wire is connected with the corresponding traction disk, the other end of each traction wire is fixed in the catheter, and generally, after one end of one traction wire is pulled by the corresponding traction disk, when the traction disk rotates, the rotation of the bendable part at the far end of the catheter is driven by the traction wire due to the flexibility of the catheter, so that the endoscope lens is driven to rotate in a certain dimension (first or second), so that the endoscope lens can deflect towards a certain angle, and the observation view angle is changed.

With the rotor assembly 100 described above, the brake rotor 300 is described next.

Referring to fig. 2 and fig. 2A, the locking device 10 in fig. 2 is shown in an unlocked state, and fig. 2A is a schematic diagram of a brake disc 300.

The brake disc 300 includes: a brake disc body 310; boss 330.

The brake disc body 310 is a frame structure clamped on the circumferential surface of the first rotating shaft 113 or the first traction disc 115, a brake disc opening capable of being opened up and down is provided on the frame structure, the circumferential surface of the first rotating shaft 113 or the first traction disc 115 is clamped through the brake disc opening, a boss 330 is provided at the root portion of the frame structure of the brake disc body 310, and the brake disc body 310 is fixed in the body of the locking device 10 through the boss 330. In this embodiment, the boss is specifically disposed between the first clamping post and the second clamping post on the machine body, so as to fix the brake disc body 310 in the machine body of the locking device 10.

The brake disc body 310 includes: a brake disc upper disc 311; a brake disc lower plate 313; a brake disc opening 315; gap 317.

Please refer to fig. 2, 2A, 3 and 4, wherein fig. 3 is a left side view of the locking device in fig. 2; fig. 4 is a top view corresponding to the locking device in fig. 2. The brake disc body 310 is integrally formed into a disc-shaped frame structure, the brake disc body 310 of the disc-shaped frame structure is composed of a brake disc upper disc 311 of a semicircular frame and a brake disc lower disc 313 of the semicircular frame, the brake disc upper disc 311 and the brake disc lower disc 313 are connected through a boss 330 at the root position of the brake disc body 310 opposite to the brake disc opening 315, the boss 330 provides a positioning basis for the upper and lower opening of the brake disc upper disc 311 and the brake disc lower disc 313, and a gap 317 for increasing the elastic deformation space is arranged at the position; a corresponding brake disc opening 315 is formed between the brake disc upper disc 311 and the brake disc lower disc 313, and the circumferential surface of the first rotating shaft 113 or the first traction disc 115 is clamped through the brake disc opening 315, so that the clamping force of the first rotating shaft 113 and the first traction disc 115 is obtained. In the frame structure of the brake disc body 310, a through hole is further provided at one side of the brake disc opening 315, and the through hole is used for connecting with and cooperating with the brake disc driving assembly 500.

In this embodiment, as a specific embodiment, specifically, the brake disc body 310 of the frame structure, the brake disc upper disc 311 and the brake disc lower disc 313 at one end of the frame structure are disposed on the outer peripheral surface of the first rotating shaft 113 (on the right side in fig. 1), and the brake disc upper disc 311 and the brake disc lower disc 313 at the other end of the frame structure are disposed on the outer peripheral surface of the second rotating shaft 133 (in the middle of fig. 1); further, the brake disc upper disc 311 and the brake disc lower disc 313 are disposed to face each other on the outer peripheral surface of each rotating shaft, the brake disc upper disc 311 is located at a position above the outer peripheral surface of each rotating shaft (upper side in fig. 2), the brake disc lower disc 313 is located at a position below the outer peripheral surface of each rotating shaft (lower side in fig. 2), and surface textures for increasing friction force are provided on contact surfaces of the brake disc upper disc 311, the brake disc lower disc 313 and each rotating shaft; in addition, on the same side of the brake disc upper disc 311 and the brake disc lower disc 313, a through hole is provided on the same side as the brake disc opening 315 (left side in fig. 2), through which the connection of the brake disc driving assembly 500 and the brake disc body 310 is achieved, in this embodiment, specifically, the fastening member of the brake disc driving assembly 500 is connected with the through hole on the brake disc opening lower port 3153 through the brake disc opening upper port 3151.

As a possible way of this embodiment, as shown in fig. 2, the boss 330 is plate-shaped, and is located on the same side (right side in fig. 2) of the brake disc upper disc 311 opposite to the brake disc lower disc 313 opposite to the brake disc opening 315, and the boss 330 forms an opening toward the brake disc body 310, and clamps the brake disc upper disc 311 and the brake disc lower disc 313 from both sides, so as to provide positioning for the brake disc upper disc 311 and the brake disc lower disc 313.

As another possible way of this embodiment, as shown in fig. 6, fig. 6 is a schematic structural diagram of another connection manner of the brake disc upper disc 311 and the brake disc lower disc 313 of the locking device 10 in fig. 2; as shown in fig. 6, the connection mode between the upper disc 311 and the lower disc 313 is hinged, the boss 330 is in a shaft shape, the shaft-shaped boss 330 is inserted into the hinge portion between the upper disc 311 and the lower disc 313, and the shaft-shaped boss 330 provides a rotation axis for the upper disc 311 and the lower disc 313.

Next, the brake disc drive assembly 500 is described with reference to the illustration of fig. 1A and also with reference to fig. 2 for ease of understanding.

As shown in fig. 1A, the brake disc drive assembly 500 includes: a fastener 510; a grip 530.

The fastening piece 510 is arranged on the frame structure of the brake disc body 310 and is positioned at the position of the brake disc opening 315, the fastening piece 510 is specifically arranged in a through hole on the brake disc body 310, and the fastening piece 510 is used for connecting the brake disc upper disc 311 and the brake disc lower disc 313; one end of the fastening member 510 is provided with the holding part 530, and the holding part 530 extends out of the housing of the locking device 10 body to allow an operator of the locking device 10 to rotate the fastening member 510; in a specific embodiment, the grip 530 is a knob having a length set substantially greater than the radius of the first rotating wheel 111 in a radial direction perpendicular to the first rotating shaft 113; by rotating the knob to rotate the fastening member 510, the fastening member 510 rotates in the through hole of the brake disc body 310, so that the acting force applied to the brake disc 300 can be adjusted; thereby changing the clamping force applied by the brake disc 300 to the first rotating shaft 113, the first traction disc 115, and thus providing the required damping of the rotation of the first rotating shaft 113.

For ease of understanding, the fastener 510 is described in detail below. Fastener 510 includes two implementations, each of which is described below.

A first implementation of the fastener 510 includes: a stud 511; an upper nut 513; a lower nut 515;

the stud 511 is provided as a main body of the fastener 510 to pass through a through hole of the brake disc body 310; at least two sections of threads with opposite rotation directions are arranged on the outer peripheral surface of the stud 511; an upper nut 513 and a lower nut 515 are also arranged in cooperation with the stud 511; wherein the upper nut 513 is fixedly disposed on the upper side of the brake disc opening upper port 3151, and the lower nut 515 is fixedly disposed on the lower side of the brake disc opening lower port 3153; a first thread pair is formed between the upper nut 513 and the first section of the stud 511, and a second thread pair is formed between the lower nut 515 and the second section of the stud 511, wherein the first thread pair and the second thread pair have opposite thread directions; by rotating the stud 511, an adjustment of the force applied by the brake disc 300 is achieved. Since the first screw pair and the second screw pair have different screw directions, the screw 511 is rotated in one direction, and the upper nut 513 and the lower nut 515 are moved in the direction in which they approach each other along the axial direction of the screw 511, or vice versa. In this way, the first and second rotating shafts 113 and 133 are held by the brake disc opening 315 of the brake disc body 310, and damping born by the rotating shafts is increased or reduced.

In this embodiment, as another possible way, the opening position of the frame structure of the brake disc body 310 is provided with an internal thread that cooperates with the stud 511 in the through hole; wherein, the brake disc opening upper port 3151 cooperates with the first section of the stud 511 to form a third thread pair, and the brake disc opening lower port 3153 cooperates with the second section of the stud 511 to form a fourth thread pair, and the third thread pair and the fourth thread pair have opposite thread directions; by the rotation of the stud 511, the surface threads of the stud 511 are engaged with the brake disc opening upper port 3151 and the brake disc opening lower port 3153, thereby applying a force to the brake disc 300 or reducing a force; the principle of the function is similar to that of the prior nut.

In the above two manners, when the endoscope works, the grip 530 is rotated to drive the stud 511 to rotate synchronously, so as to realize the cooperation between the stud 511 and the upper nut 513 and the lower nut 515 (a first manner), or realize the cooperation between the stud 511 and the upper port 3151 and the lower port 3153 of the brake disc opening (a second manner), so as to realize the adjustment of the acting force applied by the brake disc body 310; since the brake disc body 310 has a frame structure with a brake disc opening 315 that enables the brake disc body to be opened up and down, the brake disc body 310 is clamped on the outer peripheral surfaces of the first rotating shaft 113 and the second rotating shaft 133; by adjusting the force applied to the brake disc body 310, the clamping force applied to the first rotating shaft 113 and the second rotating shaft 133 by the brake disc body 310 can be changed, so as to provide the required damping to the rotation of the first rotating shaft 113 and the second rotating shaft 133. In general, the locking device 10 may have an unlocked state and a locked state and may provide varying degrees of damping when in an intermediate position between the two.

The operation of the locking device 10 will be described in detail below with reference to fig. 2, 4 and 7.

Fig. 2 shows a schematic view of the locking device 10 in an unlocked state; fig. 4 simultaneously shows the switching process of the locking device 10 from the unlocked state to the locked state (fig. 4 is a plan view corresponding to the locking device in fig. 2); fig. 7 shows a schematic view of the locking device 10 in a locked state.

Fig. 2 and fig. 7 are schematic structural views of the locking device 10 in fig. 1 from the perspective of the second end of the locking device 10, i.e. the end of the brake disc 300 facing out of the paper after clockwise rotation. The operation of the locking device 10 will be briefly described with reference to fig. 2, 4 and 7, with an emphasis on the switching between the locked and unlocked states.

When the endoscope locking device 10 needs to be locked, the knob of the holding part 530 rotates anticlockwise by a certain angle (from the position B to the position A as shown in fig. 4), the knob of the holding part 530 drives the stud 511 to rotate anticlockwise, because the first thread pair formed between the upper nut 513 and the first section of the stud 511 and the second thread pair formed between the lower nut 515 and the second section of the stud 511 have opposite thread screwing directions, therefore, when the stud 511 rotates anticlockwise, the surface threads of the stud 511 and the upper nut 513 and the lower nut 515 work cooperatively, so that the upper nut 513 and the lower nut 515 move along the axial direction of the stud 511 in the direction in which the upper nut 513 and the lower nut 515 approach each other, because the upper nut 513 and the lower nut 515 are fixed on the inner surface of the through hole of the brake disc body 310, the opening degree of the brake disc opening 315 is gradually reduced, the clamping force applied by the brake disc body 310 of the frame structure to the first rotating shaft 113 and the second rotating shaft 133 is gradually increased, the rotation damping of the first rotating shaft 113 and the second rotating shaft 133 is gradually increased, the rotation of the first rotating shaft 213 and the second rotating shaft 233 is gradually stopped under the damping effect, the first traction disc groove 2151 and the second traction disc groove 2351 stop winding and unwinding the traction wires in the left-right direction and the up-down direction, the traction lengths of the traction wires in the up-down direction and the left-right direction in the guide tube are fixed, and the locking device 10 enters a locking state, namely, the angle and the direction locking of the endoscope lens are realized. Referring to fig. 2, 7, and the process described above is a process from fig. 2 to fig. 7, it can be seen that the brake disc opening 315 formed between the upper disc 311 and the lower disc 313 is larger when the upper disc is in the position of fig. 2, and the brake disc opening 315 formed between the upper disc 311 and the lower disc is smaller when the lower disc is in the position of fig. 7.

When the endoscope locking device 10 needs to be unlocked, the knob of the holding part 530 rotates clockwise by a certain angle (from the position a to the position B as shown in fig. 4), the holding part 530 drives the stud 511 to rotate, the surface threads of the stud 511 cooperate with the upper nut 513 and the lower nut 515, the upper nut 513 and the lower nut 515 move along the axial direction of the stud 511 in the direction away from each other, the opening degree of the brake disc opening 315 gradually increases, the clamping force exerted by the brake disc body 310 of the frame structure on the first rotating shaft 113 and the second rotating shaft 133 gradually decreases, and further the damping applied to the rotation of the first rotating shaft 113 and the second rotating shaft 133 gradually decreases until the rotation of the first rotating shaft 213 and the second rotating shaft 233 gradually decreases, and when the damping is eliminated, the locking device 10 is separated from the locking state and enters the unlocking state. At this time, the first traction disk 215 and the second traction disk 235 can flexibly rotate along with the operation of the first rotating wheel 211 and the second rotating wheel 231 by an operator; the traction wires related to the traction discs can be flexibly wound and unwound under the traction of the traction discs, so that the angle of the endoscope lens can be flexibly adjusted. Referring to fig. 2, 7, and the above process is a process of fig. 7 to fig. 2, it can be seen that the brake disc opening 315 formed between the brake disc upper disc 311 and the brake disc lower disc 313 is smaller in the position of fig. 7, and the brake disc opening 315 formed between the two is larger in the position of fig. 2.

In the above-mentioned locking and unlocking positions, the gripping part 530 can be positioned at different positions in the middle of A, B by operating the same, so that the locking device 10 is in different damping states, and thus, different tightness of the adjustment wheel can be obtained according to the requirement of rotating the wheel. By the locking device 10, the endoscope can be set in a proper state according to the requirement when being adjusted, the lens angle of the endoscope can be freely adjusted through the rotating wheel when being unlocked, and the endoscope is in a fixed state when being locked, so that the lens angle cannot be changed; if the damping state is in the middle of the two, the hand feeling of the rotating wheel is provided for operators, so that the operators can conveniently operate the rotating wheel.

Similar to the first embodiment, as a preferred embodiment, it is obvious that other variations are possible in its basic principle. For example, the wheel assembly 100 includes only a first wheel assembly, i.e., the locking device 10 can adjust the angle of the endoscope in only one dimension. Of course, there are other possible variations. For example, the first runner 111 and the second runner 131 that have been mentioned above are in opposite positions, not at the same end as in the present embodiment.

Corresponding to the first embodiment, a second embodiment of the present application provides a locking device; the purpose of this embodiment is to extend the principles of the first embodiment to other possible applications, not just to endoscopes.

The structure and operation thereof are described below with reference to fig. 1 to 7. In this embodiment, the elements having the same functions as those of the first embodiment described above are given the same designations as much as possible for easy understanding. It should be noted that, although the first embodiment and the second embodiment have common innovative points, there are significant differences, and therefore, the description of the present embodiment is based on the nomenclature provided by the present embodiment, and does not necessarily correspond to the first embodiment.

The locking device 10 ^， Generally applicable to inspection scenarios, the first traction disk 115 and the second traction disk 135 in the wheel assembly 100 are replaced with the first function disk 115' and the second function disk 135 in connection with the procedure described in connection with embodiment oneA two-function disc 135' for implementing various possible adjustment functions. It should be understood that the first and second function discs 115 'and 135' may be configured according to the locking device 10 ^， The function and application scenario of (3) require structural adjustment. The present embodiment is not particularly limited.

The locking device 10 ^， Comprising: a first rotor 111, a first shaft 113, a brake disc 300, a brake disc drive assembly 500;

the first rotating wheel 111 is connected to a first end of the first rotating shaft 113; the first rotating shaft 113 is provided with a first functional disc 115' near the second end position; the rotation of the first rotating shaft 113 can be controlled through the first rotating wheel 111, and the first functional disc 115 'is driven to rotate, and the rotation of the first functional disc 115' adjusts the first traction wire 1153, so as to adjust the observation angle of the endoscope in the first dimension;

the brake disc 300 is integrally formed as a frame structure which is clamped on the circumferential surface of the first rotating shaft 113 or the first functional disc 115', and the frame structure is provided with a brake disc opening 315 which enables the brake disc to be opened up and down;

the brake disc drive assembly 500 has a fastener 510, the fastener 510 being disposed at one end of the brake disc opening 315, the force applied to the brake disc 300 being adjustable by the fastener 510 to vary the clamping force applied by the brake disc 300 to the first rotor 113, the first function disc 115', and to provide a desired damping of the rotation of the first rotor 113.

The locking device 10 provided using the above second embodiment ^， Other necessary structures may also be included, such as detection devices for cooperation with the locking means, display devices, etc. It should be understood that the locking device of this embodiment works in a similar manner to the first embodiment, and the description of this embodiment is omitted.

A third embodiment of the present application provides another locking device for endoscope adjustment.

A third embodiment of the present application will be described in detail with reference to fig. 8 to 13. This embodiment has essentially the same principle as the first and second embodiments described above, namely that the rotation of the rotary shaft is provided with a desired damping by adjusting the brake disc provided on at least one side of the outer peripheral surface of the rotary shaft (first rotary shaft and/or second rotary shaft) or the traction disc (or the function disc). However, in a specific implementation of the brake disc, this third embodiment employs a different structure, which is advantageous in terms of a more compact structure.

As shown in fig. 8, the present embodiment provides a schematic cross-sectional structure of a locking device 210 for an endoscope; wherein, the left side of fig. 8 is the second end of the locking device 210, i.e. one end of the brake disc 2300; the right side of fig. 8 is the first end of the locking device 210, i.e., the end of the wheel assembly 2100; in this figure, the locking device 210 is in a locked state. Fig. 9 is a schematic view of the locking device 210 in fig. 8 in an unlocked state. Fig. 10 is a schematic view of the locking device 210 in fig. 8 in a locked state. Fig. 9 and 10 are schematic views of the locking device 210 in fig. 8, after the locking device 210 rotates counterclockwise, the second end of the locking device 210, i.e. the end of the brake disc 2300 is directed out of the paper.

As shown in fig. 8, the locking device 210 includes the following components or parts: a wheel assembly 2100; brake disc 2300; a brake disc drive assembly 2500; handle 2700.

The arrangement of the above-described individual components can be described generally as follows: the brake disc 2300 is disposed against the second end of the lock 210 (left side of fig. 8), the brake disc drive assembly 2500 is positioned approximately midway of the lock 210 (middle of fig. 8), and the wheel assembly 2100 is positioned at the first end of the lock 210 (right side of fig. 8). The brake disc 2300 is coupled to the brake disc drive assembly 2500 by a drive member body 2510. The brake disc drive assembly 2500 provides rotational damping to the wheel assembly 2100 through the brake disc 2300.

The handle 2700, in this embodiment, is actually the body of the locking device 210, and provides a positioning basis for other components; the handle is called, and the whole structure of the endoscope is actually used as the handle, and the specific structure is described later.

The wheel assembly 2100 includes: a first rotor assembly 2110; a second wheel assembly 2130; spacer 2150; o-ring 2170.

The individual components are described in detail below.

The wheel assembly 2100 includes a first wheel assembly 2110, a second wheel assembly 2130, a spacer 2150, and an O-ring 2170; the first wheel assembly 2110 includes a first wheel 2111, a first shaft 2113, a first traction disk 2115; the second runner assembly 2130 includes a second runner 2131, a second rotational shaft 2133, and a second traction disc 2135.

The first rotary wheel 2111 is connected to a first end of the first rotary shaft 2113 as an operation handle provided on the first rotary shaft 2113; in this embodiment, the first rotating wheel 2111 is provided at a first end (right side of fig. 8) of the first rotating shaft 2113; the first traction disk 2115 is provided at the other end of the first rotation shaft 2113, i.e., the second end of the first rotation shaft 2113 (left side of fig. 8); the second rotating wheel 2131 is connected to the first end of the second rotating shaft 2133, and the second rotating shaft 2133 and the first rotating shaft 2113 are coaxial, in this embodiment, as one most possible arrangement, specifically, the second rotating shaft 2133 is sleeved on the outer peripheral surface of the first rotating shaft 2113 to achieve the above-mentioned coaxial; the second traction disk 2135 is disposed at a second end of the second rotating shaft 2133. As can be seen, the second pulling tray 2135 is disposed at a first end (to the right in fig. 8) relative to the first pulling tray 2115. In addition, the first rotating shaft 2130 is sleeved with two O-shaped sealing rings 2170, and the O-shaped sealing rings 2170 are two groups, and each group is two and adjacently arranged; wherein the first set of O-ring seals 2170-1 abut the first traction disk 2115 and are located further to the second end relative to the first rotational axis 2113 (left side of fig. 8), and the second set of O-ring seals 2170-2 abut the second traction disk 2135 and are located further to the first end relative to the second rotational axis 2133 (middle of fig. 8); in addition, the first wheel 2111 is located at a position closer to the first end of the second wheel 2131, and a boss protruding toward the second end is provided on the first wheel 2111, and a corresponding groove is provided on the second wheel 2131, so that the boss is inserted into the groove, thereby shortening the installation dimension of the first wheel 2111 and the second wheel 2131 in the axial direction. Of course, the coaxial arrangement of the first shaft 2113 and the second shaft 2133 may also take other different forms, for example, an arrangement in which the two are opposite from each other, and if such an arrangement is adopted, the layout of the entire locking device is obviously different from the present embodiment, but the principle thereof is not substantially different.

Referring to fig. 13, the first traction disk 2115 has a fixed position of the first traction wire 21153, and by rotating the first traction disk 2115, the extending distance of the first traction wire 21153 can be adjusted, and the first traction wire 21153 can draw the lens of the endoscope, so that the endoscope is at a proper angle in the dimension controlled by the first traction wire 21153.

Fig. 13 shows a structural view of the first traction disk 2115. Also shown in this figure is a first swivel shaft 2113 connected to the first traction disk 2115. The specific structure of the first traction disk 2115 is described in detail below with reference to fig. 13, and reference is made to fig. 8.

As shown in fig. 13, the first traction disk 2115 includes: first traction disk groove 21151; a first traction wire 21153; a first traction aperture 21155; first traction disk central bore 21157.

The first traction disc 2115 is of a hollow disc structure, the first traction disc groove 21151 is located on the outer circumferential surface of the first traction disc 2115, the first traction wire 21153 enters the first traction disc 2115 through the first traction disc groove 21151, symmetrical bidirectional first traction holes 21155 are formed in the circumferential surface of the first traction disc 2115, the symmetrical first traction holes 21155 are used for receiving and releasing the first traction wire 21153, the first traction disc central hole 21157 is formed in the disc central position of the first traction disc 2115 and is fixedly embedded with the first rotating shaft 2113, and the first traction disc 2115 is mounted at the second end of the first rotating shaft 2113 through the structure.

One end of a first traction wire 21153 is fixed on the first traction disk 2115 and can be immersed in the first traction disk groove 21151, and the retraction and the extension of the first traction wire 21153 can be adjusted by rotating the first traction disk 2115, so that the observation angle of the endoscope in a first dimension can be adjusted; specifically, the rotation of the first traction disk 2115 can control the winding and unwinding of the first traction wire 21153 in the first dimension, thereby adjusting the distance of extension thereof.

Like the first pulling tray, the second pulling tray 2135 has a similar structure, except that it is disposed at a second end of the second rotary shaft 2133. The second traction disc 2135 is used for fixing a second traction wire, and the retraction and the extension of the second traction wire can be adjusted by rotating the second traction disc 2135, so that the observation angle of the endoscope in a second dimension can be adjusted; specifically, the rotation of the second pulling tray 2135 can control the winding and unwinding of the second pulling wire in the second dimension, thereby adjusting the extending distance. The traction wire is buried in the catheter of the endoscope, two ends of the traction wire are respectively positioned at the bending end and the traction disk end of the catheter of the endoscope, one end of the traction wire is connected with the traction disk, the other end of the traction wire is fixed in the catheter, after one end of the traction wire is pulled by the traction disk, when the traction disk rotates, the rotation of the bending part at the far end of the catheter is driven by the traction wire due to the flexibility of the catheter, and then the endoscope lens end is driven to rotate in a certain dimension (up and down or left and right), so that the endoscope lens can deflect to a certain angle, and the observation view angle is changed.

A spacer 2150 is provided at the axial gap of the first and second traction disks 2115, 2135 to isolate the two.

The brake disc 2300 and the brake disc drive assembly 2500 are described below; because of the close connection of the two, the content is intersected in the introduction process. Please refer to fig. 11 and 12.

The brake disc 2300 includes: a brake disc body 2310; brake disc grooves 2330; circular arc shaped through hole 2350; positioning holes 2370. The brake disc drive assembly 2500 includes: a driver 2510, a toggle 2530 (see fig. 12). The driving member 2510 is located at the second end position (left side in the middle of fig. 8) of the brake disc driving assembly 2500, the shift lever 2530 is located at the first end position (right side in the middle of fig. 8) of the brake disc driving assembly 2500, the lower end of the shift lever 2530 is fixedly connected with the outer peripheral surface of the driving member body 2515 in the driving member 2510, the shift lever 2530 has a length set to be significantly greater than the diameter of the driving member 2510, and the upper end of the shift lever 2530 extends out in the radial direction (upper end of fig. 8) and provides an operation surface for facilitating shifting. The structure of the driving member 2510 will be described in detail later on after the structure of the brake disc 2300 is described later.

The handle 2700, which is named from the handle as an endoscope, corresponds to a body for providing a positioning base in the present application, and the handle 2700 is generally designed as two covers which are fastened to each other and can be detached according to the need of assembly repair, and the relevant structure provided by the body is mainly the fixing post 2710 for the endoscope locking device of the present application. In this embodiment, the handle 2700 is a hollow circular housing made of plastic, and the fixing post 2710 is located on an inner surface of the housing of the handle 2700 and is used for providing an installation position for the brake disc 2300; in this embodiment, the fixing post 2710 is a solid plastic cylinder, and the brake disc 2300 is rotatably sleeved on the fixing post 2710 through the positioning hole 2370 thereof, so as to obtain rotatable mounting positioning.

Fig. 11 shows a structural view of the brake disc 2300. The brake disc 2300 is described in detail below in conjunction with fig. 11, and reference is also made to fig. 8 and 9.

As described above, the brake disc 2300 includes: a brake disc body 2310; brake disc grooves 2330; circular arc shaped through hole 2350; positioning holes 2370.

The brake disc 2300 is integrally formed as an arc-shaped plate structure in this embodiment, the brake disc 2300 is disposed on at least one side of the outer peripheral surface of the first shaft 2113, a brake disc groove 2330 is disposed at the lower end of the brake disc body 2310, the inner surface of the brake disc groove 2330 is a contact surface of the brake disc 2300 with the outer peripheral surface of the first shaft 2130 and/or the outer peripheral surface of the second shaft 2140, the inner surface of the brake disc groove 2330 is provided with surface grains for increasing friction force so as to be in contact with the outer peripheral surfaces of the first shaft 2113 and/or the second shaft 2133, the contact surfaces of the brake disc groove 2330 and the first shaft 2113 and the second shaft 2133 are in contact with each other through an O-shaped sealing ring 2170, and the surface grains on the brake disc groove 2330 can be extruded with the O-shaped sealing ring 2170 under the driving of the brake disc body 2310, so as to prevent the rotation of the first shaft 2133 and the second shaft 2133. One end of the arc surface of the brake disc body 2310 is provided with a positioning hole 2370, and the positioning hole 2370 is rotatably sleeved on a fixing column 2710 on the handle 2700, so that the brake disc body 2310 swings around the fixed shaft of the positioning hole 2370. The arc-shaped through hole 2350 is provided on the arc-shaped surface of the brake disc body 2310, so that the cantilever column 2519 can be inserted into the arc-shaped through hole 2350 and slide in the arc-shaped through hole 2350. In order to synchronously attach to the first shaft 2113 and the second shaft 2133, the brake disc body 2310 may be provided with two arcuate plates disposed in parallel front and rear, as shown in fig. 11, and may be a first brake disc body 2310-1 and a second brake disc body 2310-2, respectively.

Fig. 12 shows a block diagram of the drive 2510 as a component of the brake disc drive assembly 2500. The specific structure of the driving member 2510 is described in detail below with reference to fig. 12, and reference is also made to fig. 8.

As shown in fig. 12, the driving member 2510 includes: a drive member outer edge platform 2511; a driver hollow 2513; a driver body 2515; cantilever 2517; and a cantilever column 2519.

The driving member body 2515 is a hollow tube, and is located at the lower end of the driving member 2510, a driving member hollow hole 2513 is provided on the driving member body 2515, and the driving member body 2515 is sleeved on the outer diameter surface of the second rotating shaft 2133 through the driving member hollow hole 2513; the outer circumference of the driver body 2515 is provided with a symmetrical driver outer edge platform 2511, and the driver outer edge platform 2511 is fixed to the lower end of the shift lever 2530. By toggling the lever 2530, the driving member 2510 can be rotated. A cantilever 2517 is fixed to the front end (left side in fig. 12) of the driver body 2515 in the up-down direction, and a cantilever column 2519 is fixed to the upper front end (upper left side in fig. 12) of the cantilever 2517. The cantilever columns 2519 extend along the extending directions of the first rotating shaft 2113 and the second rotating shaft 2133, are inserted into the circular-arc through holes 2350 on the brake disc 2300, and drive the driving member 2510 to rotate by driving the deflector 2530 to swing, so as to drive the cantilever columns 2519 to slide in the circular-arc through holes 2350.

When the endoscope works, the driving member 2510 is driven to synchronously rotate by stirring the stirring rod 2530, so that the cantilever column 2519 slides in the circular arc-shaped through hole 2350, and then the cantilever column 2519 moves along the circular arc-shaped through hole 2350 to drive the brake disc 2300 to swing around the positioning hole 2370, so that surface grains on the inner surface of the brake disc groove 2330 on the brake disc 2300 are extruded by the O-shaped sealing ring 2170, and the tightness degree of the brake disc 2300, the outer peripheral surface of the first rotating shaft 2113 and the outer peripheral surface of the second rotating shaft 2133 are adjusted, so that expected damping is provided for the first rotating shaft 2113 and the second rotating shaft 2133. Generally, with the above adjustment, the locking device 210 may have an unlocked state and a locked state, and may provide different degrees of damping when in an intermediate position therebetween.

In practice, a hugging type brake disc having a plurality of contact surfaces may be used to achieve a braking effect by contact bonding from the plurality of sides to the outer peripheral surface of the first shaft 2130 and/or the outer peripheral surface of the second shaft 2140. Those skilled in the art can devise their own implementations that, together with the knowledge of those skilled in the art, embody the above disclosed embodiments.

The operation of the locking device 210 will be described in detail with reference to fig. 9 and 10.

Fig. 9 shows a schematic view of the locking device 210 of fig. 8 in an unlocked state. Fig. 10 is a schematic view showing a state in which the locking device 210 of fig. 8 is locked. Fig. 9 and 10 are schematic views of the locking device 210 in fig. 8, after the locking device 210 rotates counterclockwise, the second end of the locking device 210, i.e. the end of the brake disc 2300 is directed out of the paper. The operation of the locking device 210 will be briefly described with reference to fig. 8 to 10, focusing on the operation of switching between the locked state and the unlocked state.

When the endoscope locking device 210 needs to be locked, the shift lever 2530 rotates clockwise along the handle 2700 by a certain angle (from the position a to the position B as shown in fig. 9), the shift lever 2530 drives the driving piece 2510 to rotate around the second rotating shaft 2133, meanwhile drives the cantilever column 2519 on the driving piece 2510 to slide in the circular arc-shaped through hole 2350, drives the brake disc 2300 to rotate clockwise around the positioning hole 2370, further causes surface grains on the brake disc groove 2330 on the brake disc 2300 to squeeze with the O-shaped sealing ring 2170, so as to realize contact and extrusion with at least one side of the outer peripheral surfaces of the first rotating shaft 2113 and the second rotating shaft 2133, thereby generating friction force with rotation of the first rotating shaft 2113 and the second rotating shaft 2133, stopping rotation of the first rotating shaft 2133 and the second rotating shaft 2133 under the action of friction force, stopping winding and unwinding the first traction disc groove 21151 and the second traction disc groove 21351 on the left and right and left and right direction traction wire, and fixing the length of the traction wire in the left and right direction, namely, locking the device. Referring to fig. 9 and 10, the process is changed from fig. 9 to fig. 10, and it can be seen that the brake disc groove 2330 is not in contact with the first rotating shaft 2113 when in the position of fig. 9, and is in contact with the first rotating shaft 2113 when in the position of fig. 10; the second axis of rotation 2133 is obscured from view, but its actual variation is consistent.

When the locking device 210 needs to be unlocked, the lever 2530 rotates anticlockwise along the handle 2700 by a certain angle (from the B position to the a position as shown in fig. 10), the lever 2530 drives the driving piece 2510 to rotate around the second rotating shaft 2133, meanwhile drives the cantilever column 2519 on the driving piece 2510 to slide in the circular arc through hole 2350, drives the brake disc 2300 to rotate around the positioning hole 2370, and further causes the upper surface texture of the brake disc groove 2330 on the brake disc 2300 to be separated from the O-shaped sealing ring 2170, so that the friction force loaded on the first rotating shaft 2113 and the second rotating shaft 2133 is gradually reduced until the friction force disappears, and the locking device 210 is separated from the locking state and enters the unlocking state. At this time, the first traction disk 2115 and the second traction disk 2135 can flexibly rotate along with the operation of the first rotating wheel 2111 and the second rotating wheel 2131 by an operator; the traction wires related to the traction discs can be flexibly wound and unwound under the traction of each traction disc, so that the angle of the endoscope lens can be flexibly adjusted. Referring to fig. 9 and 10, the process is changed from fig. 10 to fig. 9, and it can be seen that the surface texture of the brake disc groove 2330 is in contact with the first rotary shaft 2113 when in the position of fig. 10, and is not in contact with the first rotary shaft 2113 when in the position of fig. 9; although the second rotation axis 2133 is blocked at this angle, its actual variation is consistent.

In the middle of the locking and unlocking positions, the shifting lever 2530 can be operated to be positioned at different positions in the middle of the A, B, so that the locking device is in different damping states, and the tightness of the rotating wheel can be adjusted differently according to the requirement of rotating the rotating wheel. By the locking device, the endoscope can be set in a proper state according to the requirement when being adjusted, the lens angle of the endoscope can be freely adjusted through the rotating wheel when being unlocked, and the endoscope is in a fixed state when being locked, so that the lens angle cannot be changed; if the damping state is in the middle of the two, the hand feeling of the rotating wheel is provided for operators, so that the operators can conveniently operate the rotating wheel.

In the following, the principles of the above embodiments will be briefly described, the combination of the shift lever 2530 and the driving member 2510 forms a lever mechanism, since the shift lever 2530 is longer and is equivalent to the long arm end of the lever, the driving member 2510 can be easily shifted, the suspension column 2519 thereof drives the brake disc 2300 to swing, and on the contrary, the brake disc 2300 is difficult to swing to drive the shift lever 2530; moreover, the cantilever column 2519 is tightly matched with the circular arc through hole 2350 of the brake disc 2300, so that a large friction force exists between the cantilever column 2519 and the circular arc through hole, and the deflector 2530 is equivalent to providing a load for preventing the movement of the deflector 2530, so that the brake disc 2300 is difficult to move due to loosening; that is, the locking device has a better locking characteristic, and the poking rod 2530 can be poked to any poked position, so that the locking device can hover at the poking rod without external force and cannot be loosened easily.

The first embodiment described above is a preferred embodiment, and it is obvious that other variations are possible in its basic principle. For example, the wheel assembly 2100 includes only a first wheel assembly, i.e., the locking device can only adjust the angle of the endoscope in one dimension. Of course, there are other possible variations. For example, the first and second wheels 2110, 2120 already mentioned above are in opposite positions, not at the same end as the present embodiment.

In the above embodiment, it is further preferable that the locking device for endoscope adjustment further divides the brake disc and the brake disc driving assembly into two groups, and provides the damping for the first rotating shaft and the second rotating shaft respectively. Thereby realizing the independent control and adjustment of the observation angles of the endoscope in the first dimension and the second dimension. The second dimension is in a different directional dimension than the first dimension.

Wherein, the brake disc 2300 is divided into a first brake disc portion and a second brake disc portion according to the spacer position 2150 in fig. 8 from top to bottom, referring to the locking device structure of fig. 8, the first brake disc driving assembly may be positioned and configured similarly to the brake disc driving assembly 2500 (right side of fig. 8) in fig. 8, and the second brake disc driving assembly may be positioned at the other side of the first brake disc driving assembly (left side of fig. 8); the first brake disc part is arranged on one side of the outer peripheral surface of the first rotating shaft, and the second brake disc part is arranged on one side of the outer peripheral surface of the second rotating shaft; the first brake disc driving assembly can adjust the tightness degree of the fit between one part of the brake disc and the peripheral surface of the first rotating shaft, so that expected damping is provided for the first rotating shaft, and the rotation of the first traction disc is used for adjusting the first traction wire, so that the observation angle of the endoscope in the first dimension is adjusted; and the second brake disc driving assembly can adjust the tightness degree of the fit between the second brake disc and the outer peripheral surface of the second rotating shaft, so that expected damping is provided for the second rotating shaft, and the rotation of the second traction disc is used for adjusting the second traction wire, so that the observation angle of the endoscope in the second dimension is adjusted.

The preferred embodiment enables the endoscope to achieve independent adjustment of the viewing angle of one dimension while ensuring that the viewing angle of the other dimension is determined.

A fourth embodiment of the present application provides an endoscope, the structure and operation of which are described with reference to fig. 14, and in particular, with reference to fig. 8 to 13. In this embodiment, the elements having the same functions as those of the third embodiment described above are given the same names as much as possible for easy understanding. It should be noted that, although the third embodiment and the fourth embodiment share common innovative points, there are significant differences, and therefore, the description of the present embodiment is based on the nomenclature provided by the present embodiment, and does not necessarily correspond to the third embodiment.

As shown in fig. 14, the present embodiment provides a schematic structural view of an endoscope structure device 2;

a fourth embodiment of the present application will be described in detail with reference to fig. 14.

As shown in fig. 14, the present embodiment provides a schematic cross-sectional structure of an endoscope 2; the left side of fig. 14 is the rear end of the endoscope, that is, the end of the locking device 210 and the light source assembly 20, which is the holding end of the operator during the actual operation; the right side of fig. 14 is the front end of the endoscope structure device, i.e., the lens 70 and one end of the bendable portion 80, which is used for the operation using the movement manipulation of the bendable portion during the operation to realize the peeping of the lesion condition of the relevant site. In this figure, the locking device 210 is in an unlocked state. In the following description, the left side of fig. 14 will be referred to as the rear side, and the right side of fig. 14 will be referred to as the front side.

As shown in fig. 14, the endoscope 2 includes: a locking device 210; a light source assembly 20; a traction wire 30; a suction tube 40; a flushing pipe 50; an air joint 60; a lens 70; a bendable portion 80; a conduit 90; a toggle 2530; handle 2700.

The light source assembly 20 and the locking device 210 are both embedded in a handle 2700, the handle 2700 is used for an operator to hold the endoscope, the light source assembly 20 can provide an illumination light source for the lens 70 during observation, the handle 2700 is located at the rear end (left side in fig. 14) of the endoscope 2, the bendable portion 80 and the lens 70 are located at the front end (right side in fig. 14) of the endoscope 2, and the two are connected to each other through a catheter 90. In performing minimally invasive surgery, the distal end of the endoscope 2 is typically pushed along the patient's lumen to the surgical site, i.e., in the unlocked state of fig. 14; the catheter 90 is internally wrapped with a locking device 210, which is attached to the pull wire 30 of the lens 70, which is herein called wrapping, not tightly wrapped, but rather provides each pull wire with a dedicated tube of suitable radial dimensions. The catheter 90 itself is made of a flexible material that allows it to adapt to the patient's curved lumen, and the viewing angle of the lens 70 at the lesion is adjusted by the bendable portion 80. The handle 2700 is controlled in the hand of the operator, and the operator can perform external control on the locking device 210 by using the deflector 2530 according to the requirement, so as to realize the observation of the focus part in the patient under different angles.

Wherein, the endoscope 2 can realize any angle bending of the flexible traction wire 30 through the locking device 210, and the locking device 210 can further realize the angle adjustment of the lens 70 at a fixed position by adjusting the extension length of the traction wire 30. The above detailed process of adjusting the locking and unlocking states of the locking device 210 by using the lever 2530 is described in the third embodiment, and is not repeated here.

Although the endoscope 2 of the present embodiment employs the locking device provided by the third embodiment, in practice, the locking device provided by the first embodiment of the present application may be employed, of course; in the case of using the locking device, the specific manner of setting the locking device can be referred to the description of the first embodiment, and the description thereof will not be repeated.

The front end of fig. 14 (upper right of fig. 14) also shows the suction tube 40, the flush tube 50 and the air connector 60 working in cooperation with the lens 70. The suction tube 40 and the flushing tube 50 are used for removing the sight line barrier in the observation area of the lens 70, so that the operation view of the lens 70 can be ensured to be clear, and the related part can be directly peeped. The air connector 60 is used to access the desired conductors.

A fifth embodiment of the present application provides a locking device; an object of this embodiment of the locking device is to extend the locking device for an endoscope provided by the third embodiment of the present application to a wider range of occasions.

The structure and operation thereof are described below with reference to fig. 8 to 13. In this embodiment, the elements having the same functions as those of the third embodiment described above are given the same designations as much as possible for easy understanding. It should be noted that, although the third embodiment and the fifth embodiment share common innovative points, there are significant differences, and therefore, the description of the present embodiment is based on the nomenclature provided by the present embodiment, and does not necessarily correspond to the third embodiment.

The locking device 210' is generally used in a testing scenario, and the first and second pulling disks 2115 and 2135 of the wheel assembly 2100 are replaced with the first and second functional disks 2115' and 2135' for performing various possible adjustment functions in connection with the procedure described in connection with embodiment three. It should be understood that the structures of the first and second function panels 2115' and 2135' may be structurally adjusted according to the function and the application scenario of the locking device 210 '. The present embodiment is not particularly limited.

The locking device 210' includes: a first rotor 2111, a first rotor 2113, a brake disc 2300, and a brake disc drive assembly 2500.

The first rotor 2111 is coupled to a first end of the first rotor 2113; the first rotating shaft 2113 is provided with a first function disc 2115' near the second end position; the brake disc 2300 is disposed on at least one side of the outer circumferential surface of the first shaft 2113, and the degree of tightness of the brake disc 2300 against the outer circumferential surface of the first shaft 2113 can be adjusted by the brake disc drive assembly 2500, thereby providing desired damping of the rotation of the first shaft 113.

Optionally, the locking device 210' further includes: a second rotating wheel 2131 and a second rotating shaft 2133; the second rotating wheel 2131 is connected to a first end of the second rotating shaft 2133, the second rotating shaft 2133 is provided with a second functional disk 2135' near a second end, and the second rotating shaft 2133 and the first rotating shaft 2113 are coaxial; the brake disc 2300 is positioned on at least one side of the outer circumferential surface of the second rotary shaft 2133; the degree of tightness of the outer peripheral surfaces of the brake disc 2300 and the first shaft 2113 is adjusted, and the degree of tightness of the outer peripheral surfaces of the brake disc 2300 and the second shaft 2133 is adjusted synchronously, so that the rotation of the second shaft 2133 is damped synchronously as desired.

The locking device 210' provided using the fifth embodiment described above may also include other necessary structures, such as a detection device, a display device, etc. for cooperation with the locking device. It should be understood that the working process of the locking device of the present embodiment is similar to that of the third embodiment, please refer to the third embodiment, and the description of the present embodiment is not repeated.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A locking device for endoscope adjustment, which is characterized by comprising a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly;

the first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, the first traction disc is driven to rotate, and the rotation of the first traction disc adjusts the first traction wire, so that the observation angle of the endoscope in the first dimension is adjusted;

the brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc, and the tightness degree of the brake disc, which is attached to the outer peripheral surface of the first rotating shaft or the first traction disc, can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft; wherein the whole brake disc is of a frame structure or an arc-shaped plate structure; the brake disc of the frame structure is provided with a brake disc opening which enables the brake disc to be opened up and down; the brake disc of the arc-shaped plate structure is arranged on one side of the outer peripheral surface of the first rotating shaft.

2. The locking device for endoscope adjustment according to claim 1, wherein the brake disc is integrally the frame structure clamped on the peripheral surface of the first rotating shaft or first traction disc;

the brake disc driving assembly is provided with a fastener, the fastener is at least arranged at one end of the brake disc opening, acting force applied to the brake disc can be adjusted through the fastener, so that the clamping force applied to the first rotating shaft and the first traction disc by the brake disc is changed, the effect of adjusting the tightness degree of the brake disc attached to the outer peripheral surface of the first rotating shaft or the first traction disc is obtained, and the purpose of providing expected damping for the rotation of the first rotating shaft is achieved.

3. A locking device for endoscope adjustment according to claim 2, characterized in that a boss is provided at a position of the brake disc root opposite to the brake disc opening, by means of which boss the brake disc is fixed in the housing of the locking device.

4. A locking device for endoscope adjustment according to claim 3 and characterized in that said brake disc root position is provided with a clearance which increases the elastic deformation space of said brake disc.

5. A locking device for endoscope adjustment according to claim 3 and wherein said boss is disposed between a first clamping post and a second clamping post on the housing to effect said brake disc to be secured within the housing of said locking device.

6. A locking device for endoscope adjustment according to claim 3 and wherein said fastener comprises: the upper nut is arranged at the upper port of the opening of the brake disc, and the lower nut is arranged at the lower port of the opening of the brake disc;

a first thread pair is formed between the upper nut and the first section of the stud, a second thread pair is formed between the lower nut and the second section of the stud, and the first thread pair and the second thread pair have opposite thread screwing directions;

by rotating the stud, an adjustment of the force applied to the brake disc is achieved.

7. A locking device for endoscope adjustment according to claim 3 and wherein said fastener comprises: the opening position of the frame structure is provided with internal threads matched with the stud to work; the upper port of the opening is matched with the first section of the stud to form a third thread pair, the lower port of the opening is matched with the second section of the stud to form a fourth thread pair, and the third thread pair and the fourth thread pair have opposite thread screwing directions;

And rotating the stud to adjust the acting force applied to the brake disc.

8. The locking device for endoscope adjustment according to claim 6 or claim 7, wherein a grip portion protruding outside a housing of the body is provided on the stud; the grip portion is provided for an operator of the locking device to rotate the stud.

9. The locking device for endoscope adjustment of claim 8, wherein the stud is provided with an end face that abuts an outer surface of a housing of the body.

10. The locking device for endoscope adjustment of claim 2, further comprising: the second rotating wheel and the second rotating shaft;

the second rotating wheel is connected to the first end of the second rotating shaft, the first rotating shaft and the second rotating shaft are coaxial, and the second rotating shaft is sleeved on the peripheral surface of the first rotating shaft; a second traction disc is arranged at the position, close to the second end, of the second rotating shaft; the rotation of the second rotating shaft can be controlled through the second rotating wheel, the second traction disc is driven to rotate, and the rotation of the second traction disc adjusts the second traction wire, so that the observation angle of the endoscope in the second dimension is adjusted; the second dimension is in a different directional dimension than the first dimension; the whole brake disc is clamped on the peripheral surface of the second rotating shaft or the second traction disc; when the brake disc applies clamping force to the first rotating shaft and the first traction disc, corresponding clamping force is applied to the second rotating shaft and the second traction disc; thereby providing the required damping of the rotation of the second shaft.

11. The locking device for endoscope adjustment of claim 1, wherein the degree of tightness of the brake disc against the first shaft outer peripheral surface is adjustable by the brake disc drive assembly to provide a desired damping of the first shaft rotation.

12. The locking device for endoscope adjustment of claim 11, comprising a second runner, a second shaft; the second rotating wheel is connected to the first end of the second rotating shaft, and the second rotating shaft and the first rotating shaft are coaxial; the second rotating shaft is provided with a second traction disc near a second end position, and the brake disc is positioned on at least one side of the outer peripheral surface of the second rotating shaft; the tightness degree of the fit between the brake disc and the outer peripheral surface of the first rotating shaft is adjusted, and the tightness degree of the fit between the brake disc and the outer peripheral surface of the second rotating shaft is synchronously adjusted, so that expected damping is synchronously provided for the rotation of the second rotating shaft; rotation of the second traction disk is used to adjust a second traction wire of the endoscope, thereby adjusting an observation angle of the endoscope in a second dimension, the second dimension being in a different directional dimension than the first dimension.

13. The locking device for endoscope adjustment according to claim 12, wherein an O-ring is sleeved on a joint of the first rotating shaft outer peripheral surface and/or the second rotating shaft outer peripheral surface and the brake disc.

14. The locking device for endoscope adjustment according to claim 12, wherein an abutment surface of the brake disc, which is in contact with the first shaft outer peripheral surface and/or the second shaft outer peripheral surface, is provided with a friction-increasing surface texture.

15. The locking device for endoscope adjustment according to claim 12, wherein one end of the brake disc body is provided with a positioning hole which is rotatably sleeved on a fixed column of a housing of the locking device; the degree of tightness of the brake disc, the first rotating shaft and the second rotating shaft can be adjusted by adjusting the swinging angle of the brake disc, which is coiled by the brake disc, of the fixed column.

16. The locking device for endoscope adjustment according to claim 15, wherein a circular arc-shaped through hole is provided on a brake disc body of the brake disc;

the brake disc driving assembly comprises a driving piece, a cantilever and a brake disc, wherein the driving piece is coaxially arranged with the first rotating shaft, the driving piece is further provided with the cantilever which is connected with the driving piece body and extends to one radial side, the cantilever is provided with a cantilever column which extends axially, and the cantilever column is inserted into an arc-shaped through hole arranged on the brake disc; the driving piece rotates, the cantilever column slides in the circular arc through hole along with the cantilever column, and then the brake disc is driven to swing around the fixed column, so that the swinging angle of the brake disc around the fixed column is adjusted.

17. The locking device for endoscope adjustment of claim 16, wherein the brake disc drive assembly further comprises a lever having a length set substantially greater than the diameter of the driver body, one end of which is fixedly connected to the driver body, and the other end of which protrudes in a radial direction and provides an operating surface for facilitating toggling; by pulling the shift lever, the driving piece can be rotated.

18. The locking device for endoscope adjustment of claim 12, wherein a spacer is provided at an axial gap of the first and second traction disks.

19. The locking device for endoscope adjustment of claim 12, wherein the brake disc, brake disc drive assembly are divided into two groups, providing the damping for the first and second rotational shafts, respectively.

20. An endoscope is characterized by comprising a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly;

the first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, and the first traction disc is driven to rotate;

The brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc, and the tightness degree of the brake disc, which is attached to the outer peripheral surface of the first rotating shaft or the first traction disc, can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft; wherein the whole brake disc is of a frame structure or an arc-shaped plate structure; the brake disc of the frame structure is provided with a brake disc opening which enables the brake disc to be opened up and down; the brake disc of the arc-shaped plate structure is arranged on one side of the outer peripheral surface of the first rotating shaft;

the rotation of the first traction disk is used for adjusting a first traction wire, so that the observation angle of the endoscope lens in a first dimension is adjusted; by this adjustment in combination with the damping provided by the brake disc, the endoscope lens can be driven as required to rotate to and stay at the desired viewing angle in the first dimension.

21. The locking device is characterized by comprising a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly;

the first rotating wheel is connected to the first end of the first rotating shaft; a first functional disc is arranged at the position, close to the second end, of the first rotating shaft; the rotation of the first rotating shaft can be controlled through the first rotating wheel, and the first functional disc is driven to rotate;

The brake disc is arranged on at least one side of the outer peripheral surface of the first rotating shaft or the first functional disc, and the tightness degree of the brake disc, which is attached to the outer peripheral surface of the first rotating shaft or the first functional disc, can be adjusted through the brake disc driving assembly, so that expected damping is provided for the rotation of the first rotating shaft; wherein the whole brake disc is of a frame structure or an arc-shaped plate structure; the brake disc of the frame structure is provided with a brake disc opening which enables the brake disc to be opened up and down; the brake disc of the arc-shaped plate structure is arranged on one side of the outer peripheral surface of the first rotating shaft.