Quick adjusting structure for endoscope steel wire

Abstract

The utility model discloses a quick adjusting structure for an endoscope steel wire, which comprises a turntable assembly arranged on a handle part of an endoscope, the near end of the steel wire is limited on the turntable assembly, the far end of the steel wire is connected to an insertion part, and the steel wire is pulled by operating the turntable assembly to drive the insertion part to bend; the mounting seat is mounted on the turntable assembly; the sliding block is in sliding fit with the mounting base, and the near end of the steel wire is fixed to the sliding block; and the positioning assembly is used for positioning the sliding block on the turntable assembly. The rapid adjusting structure for the endoscope steel wire is simple in structure, convenient to operate and capable of improving working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical equipment, and particularly relates to a quick adjusting structure for endoscope steel wires. BACKGROUND

[0002] An endoscope is a commonly used medical instrument, which comprises an operating part, a bendable part, a light source and a set of lenses. When in use, the endoscope enters the human body through a natural orifice or a small incision made by surgery and directly observes the changes of the relevant parts.

[0003] The bendable part of the endoscope can be controlled to bend up, down, left and right by the handle, and the principle is to control the sending and receiving of the internal chain so that the steel wire connected with the chain pulls the bendable part to bend, and the steel wire is fixed on the chain by glue or welding.

[0004] For example, a quick adjusting structure for endoscope steel wires disclosed in Chinese patent CN206151418U, in order to adjust the tightness of the steel wire, the steel wire is segmented into angle steel wire and snake bone steel wire, and the relative distance between the angle steel wire and the snake bone steel wire is adjusted by threadedly connecting the steel wire sleeve, so as to adjust the working length of the steel wire.

[0005] The above structure needs to segment the steel wire, process the steel wire sleeve and threaded part at the end of the steel wire, and the segmented steel wire needs to be rotated in and out for adjusting operation, so the assembly process and processing technology are complex, and the failure points increase. INVENTION CONTENTS

[0006] Based on the above problems, the utility model aims to provide a quick adjusting structure for endoscope steel wires, which can realize the quick adjustment of the working length of the steel wire and improve the work efficiency.

[0007] In order to overcome the defects of the prior art, the technical scheme provided by the utility model is:

[0008] A quick adjusting structure for endoscope steel wires, comprising:

[0009] A turntable assembly is arranged on the handle part of the endoscope, the proximal end of the steel wire is limited on the turntable assembly, and the distal end is connected to the insertion part, and the steel wire is pulled to drive the insertion part to bend by operating the turntable assembly;

[0010] A mounting seat is mounted on the turntable assembly;

[0011] A sliding block is in sliding cooperation with the mounting seat, and the proximal end of the steel wire is fixed on the sliding block;

[0012] A positioning assembly is used to position the sliding block on the turntable assembly.

[0013] In one of the embodiments, a regulating rod is arranged on the mounting base, and the sliding block is threadedly connected with the regulating rod.

[0014] In one of the embodiments, the mounting base has a groove with an open upper end, the regulating rod extends along the length direction of the groove, and the sliding block is arranged in the groove.

[0015] In one of the embodiments, the positioning assembly comprises two positioning members arranged on both sides of the sliding block relative to the regulating rod, and the positioning members are threadedly connected with the sliding block and the rotating disc assembly.

[0016] In one of the embodiments, the positioning members are self-tapping screws.

[0017] In one of the embodiments, the regulating rod is a flat head screw.

[0018] In one of the embodiments, a pressing member is detachably arranged on the sliding block, and the proximal end of the steel wire is fixed on the pressing member after passing through the sliding block.

[0019] In one of the embodiments, the mounting base is provided with a first avoiding groove for the steel wire.

[0020] In one of the embodiments, the rotating disc assembly comprises a rotating disc in rotational cooperation with a handle portion and an operating portion fixedly connected with the rotating disc.

[0021] In one of the embodiments, the handle portion is provided with a rotating disc limiting portion, the rotating disc is rotationally arranged in the rotating disc limiting portion, the rotating disc is provided with a limiting groove for the steel wire, and the rotating disc limiting portion is provided with a second avoiding groove for the steel wire.

[0022] Compared with the prior art, the present application has the following advantages:

[0023] 1. The initial working length of the steel wire can be adjusted by adjusting the position of the sliding block on the mounting base, fixing the sliding block on the rotating disc assembly through the positioning assembly, without the need of multiple welding or glue fixing, so that the operation is convenient and the structure is stable.

[0024] 2. The adjusting structure does not need to segmentally arrange the steel wire, does not need to process threads on the steel wire, reduces the process steps, improves the production efficiency, reduces the failure points caused by the segmented arrangement of the steel wire, and improves the stability of the structure.

[0025] 3. The adjusting structure is simple in structure and low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows, and the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the premise of not paying creative labor.

[0027] Figure 1 For the structure schematic diagram of the embodiment of the present application for the quick adjusting structure of the endoscope steel wire;

[0028] Figure 2 For the structure schematic diagram of the embodiment of the present application for the quick adjusting structure of the endoscope steel wire;

[0029] Figure 3 For Figure 2 the local structure schematic diagram;

[0030] Figure 4 For the structure schematic diagram of the embodiment of the present application for the quick adjusting structure of the endoscope steel wire;

[0031] Among them:

[0032] 1, turntable assembly; 1-1, turntable; 1-2, operation part; 1-3, mounting column;

[0033] 2, mounting seat; 2-1, first avoiding groove;

[0034] 3, sliding block;

[0035] 4, adjusting rod;

[0036] 5, positioning piece;

[0037] 6, steel wire;

[0038] 7, turntable limiting part; 7-1, second avoiding groove;

[0039] 8, handle part;

[0040] 9, insertion part;

[0041] 10, compression part. DETAILED DESCRIPTION

[0042] The above scheme will be further described in combination with specific embodiments. It should be understood that these embodiments are used to illustrate the present application and do not limit the scope of the present application. The implementation conditions used in the embodiments can be further adjusted according to the specific conditions of the manufacturer, and the implementation conditions not mentioned are usually the conditions in the conventional experiment.

[0043] As Figures 1 to 3The utility model relates to a quick adjusting structure for endoscope steel wire, which is installed on the handle part 8 of the endoscope, is used for pulling the steel wire 6 to drive the insertion part 9 to bend so as to observe the human body part, and comprises a rotating disc assembly 1, a mounting seat 2 installed on the rotating disc assembly 1, a sliding block 3 in sliding cooperation with the mounting seat 2 and a positioning assembly for positioning the sliding block 3 on the rotating disc assembly 1, and the proximal end of the steel wire 6 is fixed on the sliding block 3.

[0044] The rotating disc assembly 1 is arranged on the handle part 8 of the endoscope, the proximal end of the steel wire 6 is limited on the rotating disc assembly 1 and the distal end is connected to the insertion part 9, and the steel wire 6 is pulled to drive the insertion part 9 to bend by operating the rotating disc assembly 1.

[0045] Specifically, the rotating disc assembly 1 comprises a rotating disc 1-1 in rotating cooperation with the handle part 8 and an operating part 1-2 fixedly connected with the rotating disc 1-1, the operating part 1-2 is in U shape and two ends are respectively connected to the rotating disc 1-1, the rotating disc 1-1 is driven to rotate by rotating the operating part 1-2, in this case, the mounting column 1-3 is arranged through the rotating disc 1-1, and the two ends of the operating part 1-2 are respectively fixedly connected with the two ends of the mounting column 1-3.

[0046] In order to facilitate the installation of the rotating disc assembly 1, the rotating disc limiting part 7 is arranged on the handle part 8, the rotating disc 1-1 is arranged in the rotating disc limiting part 7 in a rotating mode, meanwhile, the limiting groove for the steel wire 6 is arranged on the outer periphery of the rotating disc 1-1, the second avoiding groove 7-1 for the steel wire 6 is arranged on the rotating disc limiting part 7, the rotating disc 1-1 and the rotating disc limiting part 7 are cooperated to form a surrounding structure, the steel wire 6 is limited in the limiting groove and is pulled out through the second avoiding groove 7-1.

[0047] In order to facilitate the adjustment of the position of the sliding block 3 on the mounting seat 2, the adjusting rod 4 is arranged in a rotating mode on the mounting seat 2, and the sliding block 3 is screw-connected with the adjusting rod 4.

[0048] In this case, the mounting seat 2 has the sliding groove with the upper end opening, the adjusting rod 4 extends along the length direction of the sliding groove, and the sliding block 3 is arranged in the sliding groove, preferably, the adjusting rod 4 adopts the flat head screw, and the adjusting rod 4 is limited through the counterbore after penetrating through the mounting seat 2.

[0049] The positioning assembly is used for positioning the sliding block 3 on the rotating disc assembly 1, and comprises two positioning pieces 5 arranged on the two sides of the sliding block 3 relative to the adjusting rod 4, the positioning piece 5 is screw-connected with the sliding block 3 and the rotating disc 1-1, preferably, the positioning piece 5 adopts the self-tapping screw, the position of the sliding block 3 on the mounting seat 2 can be adjusted by disassembling the positioning piece 5, so as to adjust the initial working length of the steel wire 6.

[0050] In order to facilitate the connection of the steel wire 6 and the sliding block 3, the first avoiding groove 2-1 for the steel wire 6 is arranged on the mounting seat 2.

[0051] As Figure 4As shown, in order to facilitate the proximal end of the steel wire 6 fixed on the slider 3, also provided with a removable pressure component 10 set on the slider 3, the proximal end of the steel wire 6 is fixedly connected with the pressure component 10 after passing through the slider 3, and the slider 3 is provided with a pressure groove, and the pressure component 10 is limited in the pressure groove, so as to fix the steel wire 6 on the slider 3.

[0052] The working principle of the utility model is:

[0053] When the working length of the steel wire 6 needs to be adjusted, the positioning assembly is removed, the adjusting rod 4 is rotated, the slider 3 can move axially along the adjusting rod 4, that is, the front and back positions of the slider 3 on the mounting seat 2 are adjusted, after being adjusted to the appropriate position, the positioning piece 5 is screwed into the slider 3 and extends into the turntable 1-1, so as to limit the front and back positions of the slider 3 on the mounting seat 2, and the length direction adjustment of the steel wire 6 is completed.

[0054] In summary, the adjusting structure is simple in structure, convenient to operate, low in cost and high in working efficiency.

[0055] The above examples are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent transformation or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A quick adjustment structure for an endoscope wire, characterized in that: include: A turntable assembly is provided on the handle portion of the endoscope, the proximal end of the steel wire is limited on the turntable assembly and the distal end is connected to the insertion portion, and the steel wire is pulled by operating the turntable assembly to drive the insertion portion to bend; A mounting base, which is mounted on the turntable assembly; a slider, which is in sliding engagement with the mounting seat, and the proximal end of the steel wire is fixed to the slider; A positioning assembly is used to position the slider on the turntable assembly.

2. The quick adjustment structure for an endoscope wire according to claim 1, characterized in that: It also includes an adjusting rod rotatably arranged on the mounting seat, and the sliding block is threadedly connected to the adjusting rod.

3. The quick adjustment structure for an endoscope wire according to claim 2, characterized in that: The mounting seat has a sliding groove with an open upper end, the adjusting rod extends along the length direction of the sliding groove, and the sliding block is placed in the sliding groove.

4. The quick adjustment structure for an endoscope wire according to claim 3, characterized in that: The positioning assembly includes two positioning members arranged on both sides of the slider and the adjusting rod, and the positioning members are threadedly connected to the slider and the turntable assembly.

5. The quick adjustment structure for an endoscope steel wire according to claim 4, characterized in that: The positioning piece is a self-tapping screw.

6. The quick adjustment structure for an endoscope wire according to claim 2, characterized in that: The adjusting rod is a flat head screw.

7. The quick adjustment structure for an endoscope steel wire according to claim 1, characterized in that: It also includes a pressing component that is detachably arranged on the slider, and the proximal end of the steel wire is fixed on the pressing component after passing through the slider.

8. The quick adjustment structure for an endoscope steel wire according to claim 1, characterized in that: The mounting seat is provided with a first avoidance groove for the steel wire to pass through.

9. The quick adjustment structure for an endoscope steel wire according to claim 1, characterized in that: The turntable assembly includes a turntable rotatably matched with the handle portion and an operating portion fixedly connected to the turntable.

10. The quick adjustment structure for an endoscope steel wire according to claim 9, characterized in that: The handle portion is provided with a turntable limiting portion, the turntable is rotatably arranged in the turntable limiting portion and the outer circumference of the turntable is provided with a limiting groove for the steel wire to be placed in, and the turntable limiting portion is provided with a second avoidance groove for the steel wire to pass through.

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