CN211630238U

CN211630238U - Straight side-viewing integrated endoscope

Info

Publication number: CN211630238U
Application number: CN202020255215.9U
Authority: CN
Inventors: 黎文富; 蒙均; 张广平; 梁耀; 王良锋; 和子博
Original assignee: Shenzhen Jeet Technology Co ltd
Current assignee: Shenzhen Jeet Technology Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-02
Anticipated expiration: 2030-03-04

Abstract

The utility model provides a direct side-looking integrative endoscope, including host computer, probe unit, connect host computer and probe unit's insert tube and pull the subassembly, the insert tube uses its center pin to rotate with the host computer as the axis of rotation and is connected, probe unit is including the second camera that is used for observing the first camera in the place ahead and is used for observing the side, pull the subassembly and draw ball and many pull wires including the rocker, the one end of pull wire is fixed in the rocker and pulls the periphery of ball, the other end of pull wire extends to the insert tube in and is fixed in the flexion of insert tube. The utility model provides a straight side is looked integrative endoscope, the flexion of insert tube is at the effect flexible deformation of traction assembly to make whole probe assembly change the detection direction. In addition, the insertion tube can rotate relative to the host machine by taking the central axis as a rotating shaft, so that the insertion tube can rotate, the detection direction of the probe assembly is adjusted, and the probe assembly is used for welding line detection, staggered tube detection and the like.

Description

Straight side-viewing integrated endoscope

Technical Field

The utility model belongs to the technical field of nondestructive test, more specifically say, relate to an integrative endoscope is looked to straight side.

Background

The observation direction of the traditional endoscope lens is that the direct-view lens is 0 degrees and the side-view lens is 90 degrees, and the direct-view lens and the side-view lens can be replaced. The direct-view 0-degree lens is generally applied to the place where the front is observed directly and is widely applied to the fields of industry, medical treatment, pipelines, explosion prevention and the like. The lens with the side view of 90 degrees mainly checks the defects of the side wall, such as welding seams, staggered holes, pipe wall abrasion and the like in the pipe, and is mainly applied to the fields of pharmaceutical machinery, pipelines, fine machining and the like.

The market for endoscopes is diversified. The traditional endoscope with the observation direction of direct viewing of 0 degrees or side viewing of 90 degrees can only meet part of customer requirements, and if a product with replaceable direct viewing and side viewing lenses is used, only the lens part is very expensive. In addition, when the side-looking endoscope on the market carries out pipeline detection, only the part just opposite to the side-looking camera can be detected, the direction of the side-looking camera cannot be controlled, and other parts cannot be effectively detected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct side-looking integrative endoscope to solve the endoscope that exists among the prior art and can't detect the place ahead and the lateral wall defect simultaneously, can't adjust the technical problem of camera direction.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a straight side view integrated endoscope.

In one embodiment, the device comprises a host machine, a probe assembly, an insertion tube and a traction assembly, wherein the insertion tube is connected with the host machine and the host machine, the traction assembly is used for enabling the bending portion of the insertion tube to be bent, the insertion tube is in rotating connection with the host machine by taking the central axis of the insertion tube as a rotating axis, the insertion tube can rotate relative to the host machine, the probe assembly comprises a first camera and a second camera, the first camera is used for observing the front of the insertion tube, the second camera is used for observing the side face of the insertion tube, the traction assembly comprises a rocker traction ball and a plurality of traction lines, the traction lines are circumferentially distributed on the rocker traction ball, one end of each traction line is fixed on the periphery of the rocker traction ball, and the other end.

In one embodiment, the traction assembly further comprises a flange fixed inside the main machine, a limiting sleeve penetrating through the flange is fixed on the flange, and the traction wire penetrates through the limiting sleeve.

In one embodiment, a spring tube is arranged at the bending part of the limiting sleeve to the insertion tube, and the traction wire is arranged through the spring tube.

In one embodiment, the rocker traction ball comprises a ball body arranged inside the host machine and a rocker fixed on the ball body and extending out of the host machine, a plurality of lug parts are convexly arranged on the periphery of the ball body, and the traction wire is fixed on the corresponding lug parts.

In one embodiment, the flange plate is provided with an annular boss protruding towards the rocker traction ball, the inner wall of the annular boss is provided with an annular stopping portion, a bearing piece is arranged in the annular boss, one end of the bearing piece abuts against the stopping portion, and the other end of the bearing piece is an inwards concave arc surface and matched with the surface shape of the rocker traction ball.

In one embodiment, an elastic member is arranged between the supporting member and the annular stopping portion.

In one embodiment, one end of the insertion tube extending into the main body is fixedly connected with an annular rotating member, an annular limiting member is correspondingly arranged inside the main body, a first limiting portion is arranged on a radial protrusion of the annular rotating member, and a second limiting portion for stopping the first limiting portion is arranged on a radial protrusion of the annular limiting member.

In one embodiment, the pull wire is disposed through an inner bore of the annular rotating member.

In one embodiment, the host has a display screen and one or more function keys.

In one embodiment, one of the function keys is a switch key for switching between the first camera and the second camera to detect images.

The utility model provides a direct side-viewing integrated endoscope's beneficial effect lies in: compared with the prior art, the utility model discloses directly look sideways at integrative endoscope, including host computer, probe subassembly, insert tube and traction assembly, insert tube connection host computer and probe subassembly, the insert tube has the flexion that can bending deformation. The traction assembly comprises a rocker traction ball and a traction wire, one end of the traction wire is fixed on the rocker traction ball, the other end of the traction wire is fixed on the inner wall of the bending portion, the traction wire is pulled through the swinging of the rocker traction ball, the bending portion is pulled through the traction wire, the bending portion is bent and deformed, and therefore the whole probe assembly changes the detection direction and is suitable for detection scenes with more complex pipeline structures. In addition, the insert tube can rotate relative to the host by taking the central axis as a rotating shaft, so that the insert tube can rotate, the detection direction of the probe assembly is adjusted, the probe assembly comprises a first camera for detecting the front and a second camera for detecting the side face, the first camera can be used for observing the front of the pipeline, the detected position is found preliminarily, then the second camera is used for carrying out detailed detection on the positions such as staggered holes of the pipeline, and the direction of the second camera can be adjusted by the self-rotation of the insert tube, so that the endoscope can circumferentially observe the side wall of the pipeline.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a direct-side view integrated endoscope provided in an embodiment of the present invention;

fig. 2 is an internal structure view of a main unit of a direct-side view integrated endoscope provided in an embodiment of the present invention;

fig. 3 is a sectional view of the inside of the main body of the straight side view integrated endoscope according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a host; 11-an annular stop; 111-a second limiting part; 12-a switch button; 2-inserting the tube; 21-a bend; 22-a ring-shaped rotating member; 221-a first limiting part; 3-a probe assembly; 31-a first camera; 32-a second camera; 4-a traction assembly; 41-rocker traction balls; 411-rocker; 412-sphere; 4121-lug portion; 42-a pull wire; 43-flange plate; 431-annular boss; 432-a stop collar; 44-a support; 45-a spring tube; 46-an elastic member.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The direct-side view integrated endoscope provided by the embodiment of the present invention will now be described.

Referring to fig. 1 and 2, in one embodiment, the direct-side view integrated endoscope includes a main body 1, a probe assembly 3, an insertion tube 2 and a traction assembly 4. The insertion pipe 2 is connected with the host 1 and the traction assembly 4, the host 1 is used for controlling the probe assembly 3, and the insertion pipe 2 can be inserted into the pipeline, so that the probe assembly 3 can detect the inside of the pipeline. The probe assembly 3 comprises a first camera 31 and a second camera 32, wherein the first camera 31 is arranged at the end part of the insertion pipe 2 and is used for observing the front of the pipeline, and the second camera 32 is arranged at the side surface of the insertion pipe 2 and is used for observing the side surface of the pipeline. The optical axes of the first camera 31 and the second camera 32 are vertically arranged, and an illumination light source, such as an LED, is arranged at each of the first camera 31 and the second camera 32, so as to provide sufficient light. The insertion tube 2 is rotatably connected to the main body 1 with its central axis as a rotation axis, so that the insertion tube 2 can rotate to change the orientation of the second camera 32, thereby facilitating inspection of a weld, a cross tube, and the like. The insertion tube 2 is provided with at least one section of bending part 21 which can be deformed under stress, and the bending part 21 can be arranged close to the probe assembly 3, so that the probe assembly 3 can change the detection direction along with the bending of the bending part 21, and the probe assembly is suitable for detecting more complex pipeline structures. More specifically, the pulling assembly 4 includes a rocker pulling ball 41 and a plurality of pulling wires 42, one end of each pulling wire 42 is circumferentially distributed on the outer circumference of the rocker pulling ball 41, and the other end thereof extends into the insertion tube 2 and is fixed to the inner wall of the bending portion 21. When the rocker traction ball 41 swings, the traction wire 42 on one side is stressed to pull the bending part 21 to deform, the stress of the traction wire 42 on the opposite side is reduced to enable the bending part 21 to bend towards the other side correspondingly, accordingly, the bending part 21 bends and deforms under the cooperation of each traction wire 42, and the bending direction of the bending part 21 can be controlled by controlling the swinging direction of the rocker traction ball 41.

The direct side view integrated endoscope in the above embodiment comprises a main machine 1, a probe assembly 3, an insertion tube 2 and a traction assembly 4, wherein the insertion tube 2 is connected with the main machine 1 and the probe assembly 3, and the insertion tube 2 is provided with a bending part 21 capable of bending and deforming. Traction assembly 4 draws ball 41 and pull wire 42 including the rocker, and the one end of pull wire 42 is fixed in rocker and draws ball 41, and the other end is fixed in the inner wall of flexion 21, draws pull wire 42 through the swing of rocker traction ball 41, and pull wire 42 pulling flexion 21 makes flexion 21 bending deformation to make whole probe assembly 3 change the detection direction, be applicable to the more complicated detection scene of pipeline structure. In addition, the insertion tube 2 can rotate relative to the main machine 1 by taking the central axis as a rotating shaft, so that the insertion tube 2 can rotate, the direction of the probe assembly 3 is adjusted, the probe assembly 3 comprises a first camera 31 for detecting the front and a second camera 32 for detecting the side, the first camera 31 can be used for observing the front of the pipeline, the detected position is found preliminarily, then the second camera 32 is used for detecting the positions of staggered holes of the pipeline in detail, and the direction of the second camera 32 can be adjusted by enabling the insertion tube 2 to rotate automatically, so that the endoscope can circumferentially observe the side wall of the pipeline.

Referring to fig. 2 and 3, in one embodiment of the traction assembly 4, the traction assembly 4 further includes a flange 43 fixed inside the main body 1, a limiting sleeve 432 is fixed on the flange 43, the number of the limiting sleeves 432 is the same as the number of the traction wires 42, each traction wire 42 passes through the corresponding limiting sleeve 432, and the limiting sleeve 432 is used for limiting the traction wire 42, so as to ensure that the traction wire 42 does not shake in the flange 43, thereby accurately controlling the bending amount of the bending portion 21. When the rocker traction ball 41 swings, the flange 43 is fixed inside the main machine 1 and keeps still, and only the traction wire 42 is stressed to pull the bending part 21.

The number of the stop sleeves 432 and the traction wires 42 is not limited herein. Optionally, the number of the limiting sleeves 432 is four, and the limiting sleeves are circumferentially and uniformly distributed on the flange 43, and the number of the traction wires 42 is also four, and the limiting sleeves are circumferentially and uniformly distributed on the periphery of the rocker traction ball 41. The pull wire 42 may be selected as a pull wire.

Furthermore, the spring tube 42 is disposed between the stop sleeve 432 and the bending portion 21 of the insertion tube 2, and the pulling wire 42 is disposed through the spring tube 42. In order to prevent the pull wire 42 from being pulled off due to the tension of the spring tube 42 and the pull wire 42 when the insertion tube 2 is rotated, a sufficient margin is left between the stop collar 432 and the insertion tube 2 for the extension and contraction of the spring tube 42.

Referring to fig. 2 and 3, in one embodiment of the traction assembly 4, the rocker traction ball 41 includes a ball 412 and a rocker 411, the ball 412 is disposed inside the host 1, the rocker 411 is fixed on the ball 412 and is used for controlling the swing of the ball 412, one end of the rocker 411 extends into the host 1 and is fixedly connected with the ball 412, and the other end of the rocker 411 extends out of the host 1, so as to facilitate manual control of the rocker 411. The oscillation of the ball 412 pulls the pull wire 42 to effect bending of the bight 21. A plurality of lug parts 4121 are protruded from the circumference of the ball 412, and a traction wire 42 is fixed to each lug part 4121. The lug part 4121 functions to fix the traction wire 42, which is otherwise difficult to fix the traction wire 42 and the ball 412.

Referring to fig. 2 and 3, in one embodiment of the traction assembly 4, the flange 43 protrudes toward the rocker traction ball 41 and is provided with an annular boss 431, and the inside of the annular boss 431 is provided with a bearing 44 for bearing the sphere 412 of the rocker traction ball 41. The inner wall of the annular boss 431 has an annular stopper, and the annular stopper may be formed by extending the inner wall of the annular boss 431 to the center thereof. One end of the supporting piece 44 is abutted against or fixed on the annular stopping part, and the other end of the supporting piece 44 is a concave arc surface which is matched with the surface shape of the ball body 412 of the rocker traction ball 41, and the concave arc surface is contacted with the surface of the ball body 412 to guide the rocker traction ball 41, so that the rocker traction ball 41 can stably swing.

Furthermore, an elastic element 46 is arranged between the supporting element 44 and the annular stop, so that when the rocker 411 pulls the ball 41 to swing, the supporting element 44 can be slightly pushed, and the swinging rocker pulls the ball 41 more smoothly. The elastic member 46 can be selected as a spring, a guide post is disposed inside the supporting member 44, and the spring is sleeved on the guide post, such that one end of the spring abuts against the supporting member 44, and the other end abuts against the annular stop portion.

Referring to fig. 2 and 3, in one embodiment of the straight side view integrated endoscope, one end of the insertion tube 2 extends into the main body 1 and is connected with the main body 1, the end of the insertion tube 2 extending into the main body 1 is connected with the annular rotating member 22, and when the insertion tube 2 is manually rotated, the annular rotating member 22 rotates together with the insertion tube 2. The external diameter of annular rotating member 22 is greater than the internal diameter that host computer 1 corresponds the intubate 2 patchhole, makes the tip of intubate 2 can the joint inside host computer 1, prevents that intubate 2 from dropping. The inside of the main body 1 is correspondingly provided with an annular limiting member 11, and the annular limiting member 11 is fixed on the inner wall of the main body 1 and used for limiting the annular rotating member 22 so as to limit the rotating angle of the insertion tube 2 and prevent the insertion tube 2 from rotating in one direction all the time and breaking the pull wire 42. More specifically, the annular rotation member 22 is provided with a first limiting portion 221 protruding radially, the annular limiting member 11 is provided with a second limiting portion 111 protruding radially, and when the first limiting portion 221 rotates to abut against the second limiting portion 111, the first limiting portion cannot rotate continuously in the direction, and can rotate reversely, so that the rotation angle of the insertion tube 2 is about 350 °.

Alternatively, the annular rotation member 22 is disposed at the inner ring of the annular limiting member 11, the first limiting portion 221 is formed by the outer ring of the annular rotation member 22 protruding outwards, and the second limiting portion 111 is formed by the inner ring of the annular limiting member 11 protruding inwards. The pull wire 42 is disposed through the inner bore of the annular rotating member 22 such that the pull wire 42 extends into the insertion tube 2.

In one embodiment, the host 1 has a display screen and one or more function keys. The display screen is used for displaying the image information detected by the probe assembly 3, and can simultaneously display the image of the first camera 31 and the image of the second camera 32. The function keys may be disposed on the front or back of the main body 1, and their positions and distribution are not limited herein. The function keys can be an on-off key, an enlargement key, a reduction key and the like. One of the function keys may be selected as a switch key 12, and the switch key 12 is used for switching the detection images of the first camera 31 and the second camera 32, and displaying the detection image of the first camera 31 as a main image or displaying the detection image of the second camera 32 as a main image. The switch key 12 may be provided on the back of the main body 1.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Integrative endoscope is looked to straight side, its characterized in that: including host computer, probe assembly, connection the host computer with probe assembly's insert tube and being used for making the crooked subassembly that pulls of flexion of insert tube, the insert tube use its center pin as the axis of rotation with the host computer rotates to be connected, makes the insert tube can be relative the host computer is rotatory, probe assembly is including the first camera that is used for observing the place ahead and the second camera that is used for observing the side, pull the subassembly include the rocker pull ball and many circumference distribute in the pull wire that the rocker pulls the ball, the one end of pull wire is fixed in the periphery that the rocker pulls the ball, the other end of pull wire extends to in the insert tube and be fixed in the insert tube the flexion.

2. The direct side view integrated endoscope according to claim 1, characterized in that: the traction assembly further comprises a flange plate fixed inside the host, a limiting sleeve penetrating through the flange plate is fixed on the flange plate, and the traction wire penetrates through the limiting sleeve.

3. The direct side view integrated endoscope according to claim 2, characterized in that: the limiting sleeve is provided with a spring tube to the bending part of the insertion tube, and the traction wire penetrates through the spring tube.

4. The direct side view integrated endoscope according to claim 2, characterized in that: the rocker pulls the ball including locating the inside spheroid of host computer and being fixed in the spheroid just stretches out the rocker that the host computer set up, the protruding a plurality of lugs portion that are equipped with of spheroidal week, the pull wire is fixed in corresponding lug portion.

5. The direct side view integrated endoscope according to claim 2, characterized in that: the flange plate is provided with an annular boss protruding towards the rocker traction ball, the inner wall of the annular boss is provided with an annular stopping portion, a bearing piece is arranged in the annular boss, one end of the bearing piece abuts against the stopping portion, and the other end of the bearing piece is an inwards concave cambered surface and matched with the surface shape of the rocker traction ball.

6. The direct side view integrated endoscope according to claim 5, characterized in that: an elastic part is arranged between the supporting part and the annular stopping part.

7. The direct side view integrated endoscope according to claim 1, characterized in that: the insert tube stretches into host computer one end fixedly connected with annular rotating member, the inside of host computer is corresponding to be equipped with annular locating part, the radial arch of annular rotating member is provided with first spacing portion, the radial arch of annular locating part is provided with and is used for the backstop the spacing portion of second of first spacing portion.

8. The direct side view integrated endoscope according to claim 7, characterized in that: the pull wire is arranged through the inner hole of the annular rotating piece.

9. The direct side view integrated endoscope according to any of claims 1-8, characterized in that: the host has a display screen and one or more function keys.

10. The direct side view integrated endoscope according to claim 9, characterized in that: one of the function keys is a switching key for switching the detection images of the first camera and the second camera.