Steering adjusting mechanism of endoscope

Abstract

The utility model relates to the technical field of endoscopes, and discloses a steering adjusting mechanism of an endoscope, which comprises a protective shell, and a first adjusting handle and a second adjusting handle are respectively arranged above the protective shell. A first adjusting wheel synchronously rotating with the first adjusting handle and a second adjusting wheel synchronously rotating with the second adjusting handle are rotationally installed in the protective shell, annular limiting grooves are formed in the first adjusting wheel and the second adjusting wheel correspondingly, and spherical limiting grooves are formed in the inner walls of the bottoms of the annular limiting grooves; the plurality of spherical limiting grooves are annularly distributed in the inner wall of the annular limiting groove; the device further comprises two pulling ropes, one ends of the two pulling ropes are wound around the first adjusting wheel and the second adjusting wheel respectively, and limiting balls are arranged on each pulling rope at equal intervals. The traction rope can be stably pulled to move, in the pulling process of the traction rope, the traction rope cannot be abraded, and a fixing structure of the traction rope cannot lose efficacy.

Description

Technical Field

[0001] The utility model relates to the technical field of endoscopes, in particular to a steering adjustment mechanism of an endoscope. Background Art

[0002] Endoscopes are commonly used testing instruments in modern medical diagnosis and treatment. They can be inserted into the stomach through the mouth or other natural channels, or into the human body through small incisions made during surgery. Doctors can use endoscopes to see lesions that cannot be shown by X-rays, which is very useful for diagnosing diseases.

[0003] Usually, the steering adjustment mechanism of the endoscope adjusts the angle of the endoscope by rotating the adjustment handle to adjust the position of the traction rope. This adjustment method requires the traction rope to be fixed and clamped, but the clamping of the traction rope will also cause wear on the surface of the traction rope. During the long-term use of the endoscope, when the traction rope is worn out, the fixing structure of the traction rope is prone to failure. Utility Model Content

[0004] The purpose of the utility model is to provide a steering adjustment mechanism for an endoscope to solve the problem that the conventional endoscope steering adjustment mechanism structure proposed in the above background technology adjusts the angle of the endoscope by adjusting the position of the traction rope by rotating the adjustment handle, and this adjustment method requires the traction rope to be fixed and clamped, but the clamping of the traction rope will also cause wear on the surface of the traction rope. During the long-term use of the endoscope, the fixation of the traction rope is prone to failure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steering adjustment mechanism of an endoscope, comprising a protective shell, a first adjustment handle and a second adjustment handle are respectively arranged above the protective shell, a first adjustment wheel rotating synchronously with the first adjustment handle and a second adjustment wheel rotating synchronously with the second adjustment handle are rotatably installed inside the protective shell, an annular limiting groove is arranged on the first adjustment wheel and the second adjustment wheel, a spherical limiting groove is arranged on the bottom inner wall of the annular limiting groove, and a plurality of spherical limiting grooves are distributed in an annular shape on the inner wall of the annular limiting groove;

[0006] The utility model also comprises two traction ropes, one end of which is passed around the first adjusting wheel and the second adjusting wheel respectively, and limiting balls are equidistantly arranged on each traction rope.

[0007] Furthermore, a rotating connecting disk is coaxially arranged between the first adjusting wheel and the second adjusting wheel, a connecting plate is arranged on the side of the rotating connecting disk, and the other end of the connecting plate is connected to the inner wall of the protective shell.

[0008] Furthermore, a connecting shaft is coaxially arranged on the second adjusting wheel, and the upper end of the connecting shaft rotates through the first adjusting wheel and extends out of the protective shell to be connected with the second adjusting handle.

[0009] Furthermore, a connecting sleeve is provided on the first adjusting wheel, and the upper end of the connecting sleeve extends out of the protective shell and is connected to the first adjusting handle.

[0010] Furthermore, a mounting ring is provided on the outer side of the upper end of the connecting sleeve, a plurality of mounting through holes are provided in a ring shape on the mounting ring, and the mounting ring is connected to the first adjusting handle by screws.

[0011] Furthermore, a base and a mounting column are provided at the bottom of the protective shell, and a threaded through hole is provided on the base.

[0012] Furthermore, the first adjusting handle and the second adjusting handle have the same structure, and the radial dimension of the second adjusting handle is smaller than the radial dimension of the first adjusting handle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model arranges limiting balls at equal intervals on the traction rope, and arranges spherical limiting grooves for the limiting balls to slide into on the first adjusting wheel and the second adjusting wheel respectively. When the position of the traction rope is adjusted by rotating the first adjusting wheel or the second adjusting wheel, and then the steering direction of the endoscope is adjusted, the traction rope can be stably pulled to move. In the process of pulling the traction rope, the traction rope will not be worn and the fixing structure of the traction rope will not fail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a steering adjustment mechanism of an endoscope of the utility model;

[0016] Figure 2 It is a schematic diagram of the upward viewing angle structure of a steering adjustment mechanism of an endoscope of the utility model;

[0017] Figure 3 The utility model is an exploded view of a steering adjustment mechanism of an endoscope.

[0018] In the figure: 1. protective shell; 101. sliding outlet; 11. base; 12. mounting column; 2. first adjusting handle; 3. second adjusting handle; 4. traction rope; 41. limiting ball; 5. first adjusting wheel; 51. connecting sleeve; 52. mounting ring; 6. second adjusting wheel; 601. annular limiting groove; 602. spherical limiting groove; 61. connecting shaft; 7. rotating connecting disk; 71. connecting plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-Figure 3 As shown, the utility model provides a technical solution: a steering adjustment mechanism of an endoscope, comprising a protective shell 1, a first adjustment handle 2 and a second adjustment handle 3 are respectively arranged above the protective shell 1, a first adjustment wheel 5 that rotates synchronously with the first adjustment handle 2 and a second adjustment wheel 6 that rotates synchronously with the second adjustment handle 3 are rotatably installed inside the protective shell 1, an annular limiting groove 601 is provided on the first adjustment wheel 5 and the second adjustment wheel 6, a spherical limiting groove 602 is provided on the bottom inner wall of the annular limiting groove 601, and a plurality of spherical limiting grooves 602 are distributed in an annular shape on the inner wall of the annular limiting groove 601;

[0021] It also includes two traction ropes 4, one end of the two traction ropes 4 is respectively passed around the first adjusting wheel 5 and the second adjusting wheel 6, and a limiting ball 41 is equidistantly arranged on each traction rope 4; a sliding outlet 101 is provided on the side of the protective shell 1 for the traction rope 4 to slide into or out of the protective shell 1, and the limiting ball 41 is arranged at a section where the traction rope 4 contacts the first adjusting wheel 5 or the second adjusting wheel 6.

[0022] In the utility model, by arranging limit balls 41 at equal intervals on the traction rope 4, and respectively arranging spherical limit grooves 602 for the limit balls 41 to slide into on the first adjusting wheel 5 and the second adjusting wheel 6, when the position of the traction rope 4 is adjusted by rotating the first adjusting wheel 5 or the second adjusting wheel 6, and then the steering direction of the endoscope is adjusted, the traction rope 4 can be stably pulled to move, and in the process of pulling the traction rope 4, the traction rope 4 will not be worn and the fixing structure of the traction rope 4 will not fail.

[0023] Furthermore, a rotating connection disk 7 is coaxially arranged between the first adjusting wheel 5 and the second adjusting wheel 6 , a connecting plate 71 is arranged on the side of the rotating connection disk 7 , and the other end of the connecting plate 71 is connected to the inner wall of the protective shell 1 .

[0024] Furthermore, a connecting shaft 61 is coaxially arranged on the second adjusting wheel 6 , and the upper end of the connecting shaft 61 rotates to pass through the first adjusting wheel 5 and extends out of the protective shell 1 to be connected with the second adjusting handle 3 .

[0025] Furthermore, a connecting sleeve 51 is provided on the first adjusting wheel 5 , and the upper end of the connecting sleeve 51 extends out of the protective shell 1 and is connected to the first adjusting handle 2 .

[0026] Furthermore, a mounting ring 52 is disposed on the outer side of the upper end of the connecting sleeve 51 , and a plurality of mounting through holes are disposed in an annular shape on the mounting ring 52 . The mounting ring 52 is connected to the first adjusting handle 2 by screws.

[0027] Furthermore, a base 11 and a mounting column 12 are provided at the bottom of the protective shell 1 , and a threaded through hole is provided on the base 11 .

[0028] Furthermore, the first adjustment handle 2 and the second adjustment handle 3 have the same structure, and the radial dimension of the second adjustment handle 3 is smaller than the radial dimension of the first adjustment handle 2 .

[0029] Working principle: the first adjusting handle 2 is connected to the first adjusting wheel 5 through the connecting sleeve 51. When the first adjusting handle 2 is rotated, the first adjusting wheel 5 can be easily driven to rotate. The second adjusting handle 2 is connected to the second adjusting wheel 6 through the connecting shaft 61. When the second adjusting handle 3 is rotated, the second adjusting wheel 6 can be easily and directly driven to rotate. The connecting shaft 61 passes through the middle of the connecting sleeve 51, and the rotation of the two does not interfere with each other.

[0030] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A steering adjustment mechanism for an endoscope, comprising a protective shell (1), a first adjustment handle (2) and a second adjustment handle (3) being respectively arranged above the protective shell (1), characterized in that: A first adjusting wheel (5) that rotates synchronously with the first adjusting handle (2) and a second adjusting wheel (6) that rotates synchronously with the second adjusting handle (3) are rotatably mounted inside the protective shell (1); both the first adjusting wheel (5) and the second adjusting wheel (6) are provided with an annular limiting groove (601); a spherical limiting groove (602) is provided on the inner wall of the bottom of the annular limiting groove (601); and a plurality of spherical limiting grooves (602) are distributed in an annular shape on the inner wall of the annular limiting groove (601); It also comprises two traction ropes (4), one end of each of the two traction ropes (4) being passed around a first adjustment wheel (5) and a second adjustment wheel (6), respectively, and each traction rope (4) is provided with a limiting ball (41) at equal distances.

2. The steering adjustment mechanism of an endoscope according to claim 1, characterized in that: A rotating connection disk (7) is coaxially arranged between the first adjusting wheel (5) and the second adjusting wheel (6), a connecting plate (71) is arranged on the side of the rotating connection disk (7), and the other end of the connecting plate (71) is connected to the inner wall of the protective shell (1).

3. The steering adjustment mechanism of an endoscope according to claim 1, characterized in that: A connecting shaft (61) is coaxially arranged on the second adjusting wheel (6), and the upper end of the connecting shaft (61) rotates through the first adjusting wheel (5) and extends out of the protective shell (1) to be connected to the second adjusting handle (3).

4. The steering adjustment mechanism of an endoscope according to claim 1, characterized in that: The first adjusting wheel (5) is provided with a connecting sleeve (51), the upper end of the connecting sleeve (51) protrudes out of the protective shell (1) and is connected to the first adjusting handle (2).

5. The steering adjustment mechanism of an endoscope according to claim 4, characterized in that: A mounting ring (52) is arranged on the outer side of the upper end of the connecting sleeve (51), and a plurality of mounting through holes are arranged in an annular shape on the mounting ring (52). The mounting ring (52) is connected to the first adjusting handle (2) via screws.

6. The steering adjustment mechanism of an endoscope according to claim 1, characterized in that: The bottom of the protective shell (1) is provided with a base (11) and a mounting column (12), and the base (11) is provided with a threaded through hole.

7. The steering adjustment mechanism of an endoscope according to claim 1, characterized in that: The first adjustment handle (2) and the second adjustment handle (3) have the same structure, and the radial dimension of the second adjustment handle (3) is smaller than the radial dimension of the first adjustment handle (2).

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