CN219089215U - Endoscope direct-viewing device convenient for angle adjustment - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an endoscope direct viewing device convenient for angle adjustment, which comprises an outer protection tube, wherein a flushing tube, a circuit tube and a regulating tube are arranged in an inner cavity of the outer protection tube, a sealing plate is arranged at the lower end of the inner cavity of the outer protection tube, a screw rod is movably connected to the upper end of the sealing plate, an endoscope lens is connected to the lower side of the screw rod, the endoscope lens penetrates through the sealing plate, a ball nut is sleeved on the upper side of the outer end of the screw rod, a sealing plug is arranged on the upper side of the ball nut, the sealing plug is positioned in the inner cavity of the regulating tube, a reset spring is connected between the lower end of the sealing plug and the cavity wall of the regulating tube, a limit groove is formed in the outer side of a body of the ball nut, the device drives the ball nut to move up and down through air pressure, then drives the screw rod to rotate through the ball nut.

Description

Endoscope direct-viewing device convenient for angle adjustment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an endoscope direct-viewing device with convenient angle adjustment.

Background

Endoscopes are detection instruments that integrate traditional optics, ergonomics, precision machinery, modern electronics, mathematics, software, and the like. The lens of the endoscope is provided with an image sensor, an optical lens and an illumination light source, and can enter the stomach through the oral cavity or enter the body through other natural pore canals, and then the data shot by the lens can be exported through a data wire. Lesions that cannot be displayed by X-rays can be seen with an endoscope.

After the endoscope stretches into a human body, when the direct view angle of the lens needs to be adjusted, images in different directions in the human body are collected; compared with an endoscope without a conduction device, the conventional endoscope has the advantages that the body size of the endoscope with the conduction device is large, the endoscope is difficult to put into a human body, and in addition, when the body size of the endoscope is large and is plugged into the human body, the discomfort of the human body is increased.

Disclosure of Invention

The utility model aims to provide an endoscope direct-view device convenient for angle adjustment, so as to solve the problem that the conventional endoscope in the background art needs to be driven to rotate by a transmission device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a convenient angle regulation's scope direct view device, includes outer protection tube, be provided with wash pipe, circuit pipe and governing pipe in the inner chamber of outer protection tube, outer protection tube's inner chamber lower extreme is provided with the closing plate, the upper end swing joint of closing plate has the lead screw, the downside of lead screw is connected with the endoscope camera lens, the endoscope camera lens runs through the closing plate, the outer end upside cover of lead screw is equipped with ball nut, ball nut's upside is provided with the sealing plug, the sealing plug is located the inner chamber of governing pipe, be connected with reset spring between the lower extreme of sealing plug and the chamber wall of governing pipe, the spacing groove has been seted up in ball nut's the body outside, be provided with the spacing that corresponds with the spacing groove in the inner chamber of governing pipe, circuit pipe corresponds with the endoscope camera lens.

Preferably, the flushing pipe is arranged in an arch shape, and the circuit pipe and the regulating pipe are both positioned between the flushing pipe and the outer protection pipe.

Preferably, the lower end of the adjusting tube is attached to the sealing plate, and the lower end of the limiting strip also extends to the sealing plate.

Preferably, the ball nut comprises a nut, a support column is arranged above the nut, a cylindrical hole is formed in the inner side of the support column, and a limit column matched with the cylindrical hole is arranged at the upper end of the screw rod.

Preferably, the reset spring is sleeved on the outer side of the support column.

Compared with the prior art, the utility model has the beneficial effects that:

1) The device drives the ball nut to move up and down through air pressure, then drives the screw rod to rotate through the up and down movement of the ball nut, and then drives the endoscope lens to rotate through the screw rod;

2) Compared with the traditional conduction device, the ball nut and the screw rod of the device have smaller body types, so that the body types of the endoscope lens can be reduced, and the endoscope lens can be conveniently placed into a human body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a front view, cross-sectional, partial schematic illustration of the present utility model;

fig. 4 is a schematic view of a front view and cross-sectional structure of a bead nut of the present utility model.

In the figure: 1 outer protective tube, 2 flushing tube, 3 circuit tube, 4 adjusting tube, 5 endoscope lens, 6 sealing plate, 7 sealing plug, 8 ball nut, 81 nut, 82 support column, 9 lead screw, 10 reset spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution: an endoscope direct viewing device convenient for angle adjustment comprises an outer protective tube 1, wherein a flushing tube 2, a circuit tube 3 and a regulating tube 4 are arranged in the inner cavity of the outer protective tube 1, the lower end of the flushing tube 2 and the outer protective tube 1 are inserted into the human body together, the upper end of the outer protective tube 1 can be connected with flushing equipment for flushing the human body, the upper end of the regulating tube 4 is connected with air supply equipment, the lower end of the regulating tube 4 and the outer protective tube 1 are inserted into the human body together, the air pressure in the regulating tube 4 is changed by the air supply equipment so as to change the direct viewing direction of an endoscope lens 5, a sealing plate 6 is arranged at the lower end of the inner cavity of the outer protective tube 1, the sealing plate 6 is fixedly connected with the inner cavity wall of the outer protective tube 1, the flushing tube 2 penetrates through the sealing plate 6, a screw rod 9 is movably connected at the upper end of the sealing plate 6, the lower side of the screw rod 9 is connected with the endoscope lens 5, the rotation of the screw rod 9 drives the endoscope lens 5 to rotate, the direct view angle of the endoscope lens 5 is adjusted, the endoscope lens 5 penetrates through the sealing plate 6, a ball nut 8 is sleeved on the upper side of the outer end of the screw rod 9, a limiting groove is formed in the outer side of the body of the ball nut 8, a limiting strip corresponding to the limiting groove is arranged in the inner cavity of the adjusting tube 4, the ball nut 8 can only move up and down through the pairing of the limiting strip and the limiting groove, the ball nut 8 can drive the screw rod 9 to rotate in the process of moving up and down the ball nut 8, a sealing plug 7 is arranged on the upper side of the ball nut 8, the sealing plug 7 is positioned in the inner cavity of the adjusting tube 4, the sealing plug 7 is used for sealing the adjusting tube 4, thereby avoiding gas leakage in the adjusting tube 4, a reset spring 10 is connected between the lower end of the sealing plug 7 and the cavity wall of the adjusting tube 4, when the air pressure in the adjusting tube 4 is increased, the air pressure promotes sealing plug 7 to move down, and sealing plug 7 drives ball nut 8 to move down, and when the air pressure in adjusting tube 4 reduces, reset spring 10 promotes sealing plug 7 to move up, and sealing plug 7 drives ball nut 8 to move up, and circuit pipe 3 corresponds with endoscope camera lens 5, and the inboard of circuit pipe 3 is provided with the wire, and the wire runs through circuit pipe 3 and is connected with endoscope camera lens 5, and when endoscope camera lens 5 rotated, the wire can twine in the outside of endoscope camera lens 5.

The flushing pipe 2 is arranged to be arched, and the circuit pipe 3 and the adjusting pipe 4 are both positioned between the flushing pipe 2 and the outer protection pipe 1, so that the clearance between the flushing pipe 2 and the circuit pipe 3 and between the flushing pipe 4 can be reduced, namely, the aperture of the flushing pipe 2 can be increased as much as possible under the condition that the inner diameter of the outer protection pipe 1 is unchanged, thereby facilitating flushing liquid to pass through the flushing pipe 2.

The lower extreme of adjusting tube 4 is laminated with closing plate 6, and the lower extreme of spacing also extends to closing plate 6, and when ball nut 8 was located the upper limit, reset spring 10 highly was greater than the interval between ball nut 8 and the closing plate 6, and when ball nut 8 was located the lower limit, the lower extreme of ball nut 8 was laminated with closing plate 6, and reset spring 10 still had the compression space this moment to avoid reset spring 10 to be crushed.

The ball nut 8 includes nut 81, and the top of nut 81 is provided with support column 82, and the cylindricality hole has been seted up to the inboard of support column 82, and the upper end of lead screw 9 is provided with the spacing post with cylindricality hole looks adaptation, and the lower extreme and the closing plate 6 swing joint of lead screw 9, the upper end of closing plate 6 peg graft in the cylindricality hole to make the both ends of lead screw 9 all have the support, and then can make the maintenance of lead screw 9 stable.

The reset spring 10 is sleeved outside the support column 82, and the reset spring 10 is protected through the support column 82, so that the reset spring 10 can only stretch up and down.

Working principle: introducing air fault into the inner cavity of the adjusting tube 4 to keep air pressure, when the direct view angle of the endoscope lens 5 needs to be adjusted, increasing the air pressure of the air in the adjusting tube 4, pushing the sealing plug 7 to move downwards along with the increase of the air pressure, pushing the ball nut 8 to move downwards by the sealing plug 7, driving the screw rod 9 to rotate by the ball nut 8 through the descending, driving the endoscope lens 5 to rotate by the screw rod 9 through the rotation, and adjusting the direct view angle of the endoscope lens 5 by the rotation;

after the ball nut 8 moves down to the lower limit, the direct view angle of the endoscope lens 5 can be adjusted by reducing the air pressure of the air in the guide adjusting pipe 4, at this time, the sealing plug 7 is pushed by the elastic force of the return spring 10 to move upwards, the sealing plug 7 can drive the ball nut 8 to move upwards, and then the screw rod 9 and the endoscope lens 5 are driven to rotate.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a convenient angle regulation's scope direct vision device, includes outer protective tube (1), its characterized in that: be provided with wash pipe (2), circuit pipe (3) and regulation pipe (4) in the inner chamber of outer protection pipe (1), the inner chamber lower extreme of outer protection pipe (1) is provided with closing plate (6), the upper end swing joint of closing plate (6) has lead screw (9), the downside of lead screw (9) is connected with endoscope camera lens (5), endoscope camera lens (5) run through closing plate (6), the outer end upside cover of lead screw (9) is equipped with ball nut (8), the upside of ball nut (8) is provided with sealing plug (7), sealing plug (7) are located the inner chamber of regulation pipe (4), be connected with reset spring (10) between the cavity wall of sealing plug (7) and regulation pipe (4), spacing groove has been seted up in the body outside of ball nut (8), be provided with in the inner chamber of regulation pipe (4) with spacing groove corresponding spacing, circuit pipe (3) correspond with endoscope camera lens (5).

2. An endoscopic direct view device for facilitating angle adjustment according to claim 1, wherein: the flushing pipe (2) is arranged in an arch shape, and the circuit pipe (3) and the regulating pipe (4) are both positioned between the flushing pipe (2) and the outer protection pipe (1).

3. An endoscopic direct view device for facilitating angle adjustment according to claim 1, wherein: the lower end of the adjusting pipe (4) is attached to the sealing plate (6), and the lower end of the limiting strip also extends to the sealing plate (6).

4. An endoscopic direct view device for facilitating angle adjustment according to claim 1, wherein: the ball nut (8) comprises a nut (81), a support column (82) is arranged above the nut (81), a cylindrical hole is formed in the inner side of the support column (82), and a limit column matched with the cylindrical hole is arranged at the upper end of the screw rod (9).

5. The angle-adjustable endoscopic direct view device of claim 4, wherein: the reset spring (10) is sleeved on the outer side of the support column (82).

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