CN214375558U

CN214375558U - Steerable control endoscope

Info

Publication number: CN214375558U
Application number: CN202120485073.XU
Authority: CN
Inventors: 张凌; 张兵兵
Original assignee: Shenzhen Ruiao Video Co ltd
Current assignee: Shenzhen Ruiao Video Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-08
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to a can turn to endoscope of control and solve current speculum steering control structure complicacy, the operation is inconvenient, problem with high costs. The endoscope comprises an endoscope seat, an endoscope body is installed in the endoscope seat, an insertion pipe and an adjusting mechanism are arranged on the endoscope seat, the adjusting mechanism comprises a steering mechanism and a control mechanism for controlling the steering mechanism to steer, the steering mechanism is of a snake framework structure, the control mechanism comprises two traction wires which respectively penetrate through the snake framework and are connected with the endoscope seat, a traction wire guide piece for extruding the snake framework to steer and a gear adjusting structure. During adjustment, the adjusting gear is rotated to drive the first rack and the second rack to move towards two different directions respectively, so that the traction line on one side is tensioned, the snake framework is extruded by the traction line guide piece and the endoscope seat, and the endoscope seat drives the endoscope to rotate towards the outer side of the tensioned traction line, so that the direction adjustment of the endoscope is realized, the structure is simple, the operation is convenient, and the cost is saved.

Description

Steerable control endoscope

Technical Field

The utility model relates to an endoscope capable of steering control.

Background

Endoscopes are widely used in medical and industrial fields. In a complex industrial detection field, a probe of the endoscope cannot detect the obstruction on the side and the front of the probe, and the existing endoscope cannot display the position information of the probe in real time and is not beneficial to judging the accurate position of a defect.

The traditional endoscope steering control structure adopts a chain or a belt and other complicated structures, the production process is complicated, the manufacturing and maintenance cost is increased, the force transmission loss is large, the operation is complex, and the use by a user is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of complicated structure, inconvenient operation and high cost of the existing sight glass steering control structure.

For solving the utility model provides a technical scheme that technical problem adopted does: the utility model discloses an endoscope that can turn to control includes the endoscope seat, the endoscope seat in install the endoscope main part, the endoscope seat on be equipped with the cover and locate the outer insert tube of endoscope main part, the endoscope still include adjustment mechanism, adjustment mechanism include the steering mechanism who is connected with the endoscope seat, the control mechanism that control steering mechanism turned to, steering mechanism be snake skeleton structure, control mechanism include respectively pass two pull wires that snake skeleton and endoscope seat are connected, push the pull wire guide that snake skeleton turned to when pulling the pull wire to and be used for adjusting the gear adjustment structure of pull wire elasticity, the one end that the pull wire guide kept away from snake skeleton fixed be equipped with pull wire direction protective sleeve pipe, the pull wire pass in pull wire direction protective sleeve pipe and the pull wire guide, the gear adjusting mechanism comprises a shell, a first rack and a second rack which are arranged in parallel and are arranged in the shell in a sliding mode and fixedly connected with the tail ends of the two traction wires respectively, and an adjusting gear which is arranged between the first rack and the second rack and is meshed with the first rack and the second rack respectively, wherein the traction wire guiding protective sleeve is fixedly connected with the shell.

Right the utility model discloses do further limited technical scheme and include:

the shell is rotatably provided with a shifting wheel used for shifting the first rack and the second rack to move towards opposite directions, and the shifting wheel is fixedly connected with the center of the gear.

The adjusting mechanism further comprises a fine adjusting mechanism arranged in the shell, the fine adjusting mechanism comprises an adjusting screw fixing frame fixedly connected with the shell, and two adjusting screws arranged on two sides of the adjusting screw fixing frame, the adjusting screw fixing frame is perpendicular to the first rack and the second rack, the two adjusting screws respectively correspond to the two traction lines, and a through hole for the traction lines to pass through is formed in each adjusting screw.

One side of the adjusting screw rod, which corresponds to the steering mechanism, is fixedly connected with the traction wire guide protective sleeve.

The traction wire guide protective sleeve is sleeved with a sleeve, a conical flexible sleeve fixing seat is fixedly arranged at one end of the sleeve, a traction wire guide hole is formed in the sleeve fixing seat corresponding to the traction wire, and the sleeve fixing seat is fixedly connected with the shell.

And a first limit screw and a second limit screw for limiting the displacement of the first rack and the second rack are respectively arranged in the shell corresponding to the first rack and the second rack.

Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses an endoscope that can turn to control is when adjusting, through rotating adjusting gear, adjusting gear drives first rack and second rack and removes to the direction of two differences respectively to pull wire on one side is taut, thereby pull wire guide and endoscope seat extrusion snake skeleton, and the endoscope seat drives the endoscope and rotates to the outside by taut pull wire, thereby realizes the direction regulation of endoscope, thereby simple structure, convenient operation saves the cost.

Drawings

Fig. 1 is a schematic perspective view of a steerable endoscope according to the present invention.

Fig. 2 is a schematic structural diagram of the inside of a casing of a steerable endoscope according to the present invention.

Fig. 3 is a schematic diagram of a gear adjustment structure of a steerable endoscope according to the present invention.

Detailed Description

The structure of the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 3, an endoscope capable of steering control comprises an endoscope base 1, an endoscope main body is installed in the endoscope base, an insertion tube 2 sleeved outside the endoscope main body is arranged on the endoscope base, the endoscope further comprises an adjusting mechanism, the adjusting mechanism comprises a steering mechanism 3 connected with the endoscope base, a control mechanism 4 controlling the steering mechanism to steer, the steering mechanism is a snake-bone frame structure 3, the control mechanism 4 comprises two traction wires 41 respectively penetrating through the snake-bone frame and connected with the endoscope base, a traction wire guide 42 extruding the snake-bone frame to steer when the traction wires are pulled, and a gear adjusting structure 43 for adjusting the tightness of the traction wires, a traction wire guide sheath tube 421 is fixedly arranged at one end of the traction wire guide away from the snake-bone frame, the traction wire guide sheath tube prevents the traction wires from being damaged in the pulling process, and the traction wires penetrate through the traction wire guide sheath tube and the traction wire guide, the traction wire guide and the traction wire guide sheath tube provide support for steering. The gear adjusting mechanism 43 comprises a housing 431, a first rack 432 and a second rack 433 which are slidably arranged in the housing and are fixedly connected with the tail ends of the two pull wires respectively and arranged in parallel, and an adjusting gear 434 which is positioned between the first rack and the second rack and is meshed with the first rack and the second rack respectively, wherein the pull wire guiding sheath tube is fixedly connected with the housing. When the adjusting gear is rotated, the adjusting gear drives the first rack and the second rack to move in opposite directions respectively, so that the traction line on one side is tensioned, the snake framework is extruded by the traction line guide piece and the endoscope seat, and the endoscope seat drives the endoscope to rotate towards the outer side of the tensioned traction line, so that the direction adjustment of the endoscope is realized, the structure is simple, the operation is convenient, and the cost is saved.

In this embodiment, the housing 431 is rotatably provided with a dial 435 for dialing the first rack and the second rack to move in opposite directions, and the dial is fixedly connected with the center of the gear. The gear is driven to rotate by rotating the dial wheel, so that the gear is convenient to adjust. In this embodiment, a first limit screw 5 and a second limit screw 6 for limiting the displacement of the first rack and the second rack are respectively arranged in the housing corresponding to the first rack and the second rack. The first limiting screw and the second limiting screw are respectively used for limiting the stroke of the first rack and the stroke of the second rack, and the problem that the endoscope is damaged due to overlarge steering angle, for example, the traction wire is broken due to the overlarge steering angle is solved.

In this embodiment, the adjusting mechanism further includes a fine adjustment mechanism 7 disposed in the housing, the fine adjustment mechanism 7 includes an adjusting screw fixing frame 71 fixedly connected to the housing, and two adjusting screws 72 disposed on two sides of the adjusting screw fixing frame, the adjusting screw fixing frame is perpendicular to the first rack and the second rack, the two adjusting screws are respectively disposed corresponding to the two pulling wires, and a through hole for the pulling wires to pass through is disposed in the adjusting screw. In this embodiment, one side of the adjusting screw corresponding to the steering mechanism is fixedly connected 421 with the traction wire guiding sheath tube. Therefore, when in adjustment, the traction lines in the two adjusting screws are kept parallel, so that the traction can smoothly slide; in addition, in the adjusting process, the bending angle of the endoscope can be finely adjusted through the position of the adjusting screw rod according to the adjusting requirement, so that the adjustment is more accurate.

In this embodiment, the traction wire guide sheath tube is sleeved with a sleeve 9, and the sleeve is used for protecting the traction wire guide sheath tube. A conical flexible sleeve fixing seat 8 is fixedly arranged at one end of the sleeve, a traction wire guide hole is formed in the sleeve fixing seat corresponding to the traction wire, and the sleeve fixing seat is fixedly connected with the shell. The sleeve fixing seat leads the traction wire led out from the adjusting screw rod into the sleeve, and the tapered sleeve fixing seat enables the traction wire to be excessively smooth.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be understood as limited by the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the present invention as described in the claims.

Claims

1. The utility model provides a can turn to endoscope of control, includes the endoscope seat, the endoscope seat in install the endoscope main part, the endoscope seat on be equipped with the intubate of locating outside the endoscope main part, its characterized in that: the endoscope also comprises an adjusting mechanism, the adjusting mechanism comprises a steering mechanism connected with the endoscope seat, a control mechanism for controlling the steering of the steering mechanism, the steering mechanism is of a snake-shaped framework structure, the control mechanism comprises two traction wires which respectively penetrate through the snake-shaped framework and are connected with the endoscope seat, a traction wire guide piece which extrudes the snake-shaped framework to steer when the traction wires are pulled, and a gear adjusting structure for adjusting the tightness of the traction wires, one end of the traction wire guide piece, which is far away from the snake-shaped framework, is fixedly provided with a traction wire guide protecting sleeve pipe, the traction wires penetrate through the traction wire guide protecting sleeve pipe and the traction wire guide piece, the gear adjusting structure comprises a shell, a first rack and a second rack which are arranged in the shell in a sliding manner and are fixedly connected with the tail ends of the two traction wires respectively and are parallel to each other, and an adjusting gear which is arranged between the first rack and the second rack and is meshed with the first rack and the second rack respectively, the traction wire guide protective sleeve is fixedly connected with the shell.

2. A steerable control endoscope according to claim 1, wherein: the shell is rotatably provided with a shifting wheel used for shifting the first rack and the second rack to move towards opposite directions, and the shifting wheel is fixedly connected with the center of the gear.

3. A steerable control endoscope according to claim 1, wherein: the adjusting mechanism further comprises a fine adjusting mechanism arranged in the shell, the fine adjusting mechanism comprises an adjusting screw fixing frame fixedly connected with the shell, and two adjusting screws arranged on two sides of the adjusting screw fixing frame, the adjusting screw fixing frame is perpendicular to the first rack and the second rack, the two adjusting screws respectively correspond to the two traction lines, and a through hole for the traction lines to pass through is formed in each adjusting screw.

4. A steerable control endoscope according to claim 3, wherein: one side of the adjusting screw rod, which corresponds to the steering mechanism, is fixedly connected with the traction wire guide protective sleeve.

5. A steerable control endoscope according to claim 1, wherein: the traction wire guide protective sleeve is sleeved with a sleeve, a conical flexible sleeve fixing seat is fixedly arranged at one end of the sleeve, a traction wire guide hole is formed in the sleeve fixing seat corresponding to the traction wire, and the sleeve fixing seat is fixedly connected with the shell.

6. A steerable control endoscope according to claim 1, wherein: and a first limit screw and a second limit screw for limiting the displacement of the first rack and the second rack are respectively arranged in the shell corresponding to the first rack and the second rack.