TWI599339B - Rope tension adjustment unit for endoscope steering - Google Patents

Description

Rope tension adjusting unit of endoscope steering device

The present invention relates to a steering device for an endoscope, and more particularly to a rope tension adjusting unit for an endoscope steering device.

The conventional endoscope steering device includes a steering unit, and a pipe body connected between the steering unit and the lens, and the pipe body is provided with a rope, and a bending structure close to the lens, the middle portion of the rope Wrapped around one of the steering units of the steering unit, and the two ends of the rope are connected to opposite sides of the lens (for example, the left side and the right side), so that the rope has two connection areas that are tightened between the turntable and the lens segment. By rotating the turntable, one of the connecting sections can be shortened and at the same time the other connecting section can be increased, and at the same time, the bent structure causes the two connecting sections and the tubular body to approach the lens to shorten the connection The direction of the segment turns (for example, left or right), which in turn changes the direction in which the lens is shot.

After the use of the endoscope steering device for a period of time, there may be a phenomenon that the lens is not facing forward when the turntable is at the origin. At this time, if the tension of the connecting portion of the rope is adjustable, the foregoing The lens yaw phenomenon is corrected. However, current rope tension adjusting devices, such as those provided in U.S. Patent No. 5,522,276, and the Chinese Patent No. 200820227613.9, are not applicable to the steering device of the endoscope.

In view of the above-mentioned deficiencies, the main object of the present invention is to provide an internal The rope tension adjusting unit of the mirror steering device can be used to correct the direction of the lens of the endoscope.

To achieve the above objective, the rope tension adjusting unit of the endoscope steering device provided by the present invention comprises a set of connectors, an adjusting member, a first rope, a first limiting block, a second rope and a second a limiting block, the socket has a first end surface and a second end surface facing in opposite directions, a first side and a second side between the first end surface and the second end surface, and a second side a screw hole extending toward the second end surface, a limiting hole extending through the first side, a side opening extending through the second side and the hole wall of the limiting hole, and a through hole The second end surface, the second side surface and the perforation of the hole wall of the limiting hole, the adjusting member has a stud and a through hole, and the stud is rotatable to change the position of the socket relative to the socket. a hole, one end of the first rope is fixed to the first limiting block, the first limiting block is fastened to the adjusting member, and the first rope is threaded through the through hole of the adjusting member The adjusting member extends away from the socket, and one end of the second rope is fixed to the second a second limiting block is disposed in the limiting hole of the socket, and the second rope is threaded through the through hole of the socket and extends from the socket toward the adjusting member .

Thereby, the first rope can be used to connect the lens of the endoscope, and the second rope is used to wrap around the turntable of the steering device of the endoscope. When the lens is yawed, the user can adjust by rotating the adjusting member. The tension of the two ropes, in turn, corrects the direction of the lens.

The detailed construction, characteristics, assembly or use of the rope tension adjusting unit of the endoscope steering device provided by the present invention will be followed by The details are described in the detailed description. However, it should be understood by those of ordinary skill in the art that the present invention is not limited by the scope of the invention.

The technical content and features of the present invention will be described in detail below with reference to the accompanying drawings, wherein: FIG. 1 is a rope tension of an endoscope steering device according to a preferred embodiment of the present invention. An exploded perspective view of the adjusting unit; the second drawing is an exploded perspective view of the rope tension adjusting unit of the endoscope steering device provided by the preferred embodiment of the present invention; and the third embodiment is the preferred embodiment of the present invention. A cross-sectional view of a rope tension adjusting unit of the provided endoscope steering device; and a fourth view of an inner mirror steering device and a lens combination diagram of the rope tension adjusting unit provided by the preferred embodiment of the present invention .

Please refer to the first to third figures. The rope tension adjusting unit 10 of the endoscope steering device according to a preferred embodiment of the present invention includes a set of connectors 20, an adjusting member 30, and a first rope 42. A first limiting block 44, a second rope 52, and a second limiting block 54.

The sleeve member 20 has a first end surface 21 and a second end surface 22 facing in opposite directions, a first side surface 23 and a second side surface 24 between the first end surface 21 and the second end surface 22, and a screw hole 25, a through hole 26, a limiting hole 27 and a side opening 28 disposed on the end faces 21, 22 and the side faces 23, 24, the screw holes 25 being directed from the first end face 21 The second end surface 22 extends through the first side surface 23 and does not communicate with the screw hole 25 . The through hole 26 extends through the second end surface 22 , the second side surface 24 , and the limiting hole . A hole wall 272 of the 27, the side opening 28 extends through the second side 24 and the hole wall 272 of the limiting hole 27.

The adjusting member 30 has a stud 31 and an operating block 32 integrally connected to each other, an inner end surface 33 of the stud 31, an end surface 34 located outside the operating block 32, and a through end surface 33 and the inner end surface 33 The through hole 35 of the outer end surface 34.

One end of the first rope 42 is fixed to the first limiting block 44, and the first rope 42 is inserted through the through hole 35 of the adjusting member 30, and the first limiting block 44 abuts the adjustment. End face 33 within member 30. Then, the stud 31 of the adjusting member 30 can be rotated to change the position of the socket member 20 relative to the socket member 20, so that the inner and outer end faces 33, 34 are respectively located in the screw hole 25 and The screw hole 25 is outside, and the first rope 42 extends from the adjusting member 30 in a direction away from the socket 20.

One end of the second rope 52 is fixed to the second limiting block 54 , and the second limiting block 54 is disposed on the limiting hole 27 of the sleeve 20 , and the second rope 52 is through the side opening The through hole 26 is disposed through the through hole 26 so as to extend away from the adjusting member 30.

Referring to the fourth figure, the fourth figure shows an endoscope steering device 60, and a lens 70 controlled by the endoscope steering device 60. The endoscope steering device 60 includes a base 62 and a a turntable 64 rotatably disposed on the base 62, and a tubular body 66 coupled to the lens 70, and a top surface 622 of the base 62 is provided with a rope tension as described above Adjustment unit 10. The second rope 52 of the two rope tension adjusting unit 10 is the same rope body and is wound around the turntable 64. The first rope 42 of the two rope tension adjusting unit 10 is disposed in the tubular body 66 and is coupled to the lens 70. For the connection, the user can bend the tube 66 and the two first ropes 42 to the lens 70 by rotating the dial 64, thereby turning the lens 70. More importantly, when the turntable 64 is at the origin but the lens 70 is not facing forward, the user can adjust the rope 42 of the unit 10 by rotating one of the adjustment members 30 of the rope tension adjusting unit 10, The tension of 52, in turn, corrects the direction of the lens 70.

For example, if the two first ropes 42 are connected to the left and right sides of the lens 70, the lens 70 can be rotated by the turntable 64 to make the lens 70 turn left or right. The user can rotate the adjustment member 30 on the left side outward to reduce the tension of the left side rope, or the user can also transfer the adjustment member 30 on the right side into the socket member 20 to increase the tension of the right side rope. Further, the lens 70 is corrected to face forward.

It is worth mentioning that the operation block 32 of the adjusting member 30 of the rope tension adjusting unit 10 can not only allow the user to easily rotate the adjusting member 30, but also can limit the position of the adjusting member 30 relative to the socket member 20. The shape of the operation block 32 is not limited to a hexagonal shape, as long as the operation block 32 can abut the first end surface 21 of the socket 20 when the stud 31 is completely located in the screw hole 25.

Finally, it is to be noted that the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention, and alternative or variations of other equivalent elements should also be the scope of the patent application of the present application. Covered.

10‧‧‧rope tension adjustment unit

20‧‧‧ Sockets

21‧‧‧ first end face

22‧‧‧second end face

23‧‧‧ first side

24‧‧‧ second side

25‧‧‧ screw holes

26‧‧‧Perforation

27‧‧‧Limited holes

272‧‧‧ hole wall

28‧‧‧ side opening

30‧‧‧Adjustment

31‧‧‧ Stud

32‧‧‧Operation block

33‧‧‧ inside end

34‧‧‧Outer end face

35‧‧‧through hole

42‧‧‧First rope

44‧‧‧First limit block

52‧‧‧second rope

54‧‧‧second limit block

60‧‧‧Endoscope steering device

62‧‧‧Base

622‧‧‧ top surface

64‧‧‧ Turntable

66‧‧‧pipe body

70‧‧‧ lens

1 is an exploded perspective view of a rope tension adjusting unit of an endoscope steering device according to a preferred embodiment of the present invention; and FIG. 2 is a rope of an endoscope steering device provided by the preferred embodiment of the present invention. An exploded perspective view of the tension adjusting unit in another direction; a third view of the rope tension adjusting unit of the endoscope steering device provided by the preferred embodiment of the present invention; and a fourth embodiment having the preferred embodiment of the present invention A perspective view of an endoscope steering device and a lens of the rope tension adjusting unit provided by the example.

10‧‧‧rope tension adjustment unit

20‧‧‧ Sockets

21‧‧‧ first end face

22‧‧‧second end face

23‧‧‧ first side

24‧‧‧ second side

25‧‧‧ screw holes

27‧‧‧Limited holes

272‧‧‧ hole wall

28‧‧‧ side opening

30‧‧‧Adjustment

31‧‧‧ Stud

32‧‧‧Operation block

33‧‧‧ inside end

34‧‧‧Outer end face

35‧‧‧through hole

42‧‧‧First rope

44‧‧‧First limit block

52‧‧‧second rope

54‧‧‧second limit block

Claims (3)

A rope tension adjusting unit for an interior mirror steering device includes: a set of connecting members having a first end surface facing a opposite direction and a second end surface, and a first portion between the first end surface and the second end surface a side surface and a second side surface, a screw hole extending from the first end surface toward the second end surface, a limiting hole extending through the first side surface, a second side surface and the limiting hole a side opening of the hole wall, and a through hole extending through the second end surface, the second side surface and the hole wall of the limiting hole; an adjusting member having a stud and a through hole, the stud being rotatable and changing The first limiting portion is fixed to the first limiting block, and the first limiting block is fixed to the first hole and the first limiting block. The first rope is inserted through the through hole of the adjusting member and extends away from the socket; and a second rope and a second limiting block are One end of the second rope is fixed to the second limiting block, and the second limiting block is disposed on the socket The limiting hole, and the second on the rope through the perforations provided in the socket member and the adjustment member extends from a direction of a direction away from the socket member. The rope tension adjusting unit of the endoscope steering device according to the first aspect of the invention, wherein the adjusting member has an inner end surface and an outer end surface respectively located in the screw hole and outside the screw hole, the through hole system The first limiting block is connected to the inner end surface of the adjusting member through the inner end surface and the outer end surface. The rope tension adjusting unit of the endoscope steering device according to claim 1, wherein the adjusting member further has a first one capable of abutting the socket when the stud is completely located in the screw hole. The operating block of the end face.