CN116269162A - Adjusting structure of endoscope wire rope and endoscope - Google Patents

Abstract

The invention provides an adjusting structure of an endoscope steel wire rope and an endoscope, wherein the adjusting structure comprises a wire coil, an operating rod, a first ratchet component and a second ratchet component; the operating rod is connected with the wire coil and is used for driving the wire coil to rotate forward or backward; the wire coil is provided with a limiting part on the adjusting side, the limiting part is used for being connected with a limiting elastic piece in an embedded mode, the limiting elastic piece is provided with a first foot part and a second foot part, the first foot part is abutted to the first ratchet wheel component, the second foot part is abutted to the second ratchet wheel component, the limiting elastic piece limits the rotating adjusting direction of the first ratchet wheel component and the second ratchet wheel component under the limiting action of the limiting part, and at least one part of ratchet wheels of the first ratchet wheel component and the second ratchet wheel component are exposed on the adjusting side for operators to rotate and adjust, so that accurate adjustment of the wire rope is achieved, disassembly and maintenance are simple, and no material loss is caused.

Description

Adjusting structure of endoscope wire rope and endoscope

technical field

The invention belongs to the technical field of medical instruments, and in particular relates to an adjustment structure of an endoscope wire rope and the endoscope.

Background technique

An endoscope is a detection instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. It has image sensors, optical lenses, lighting sources, and mechanical devices. An important auxiliary medical instrument for organ lesions is widely used in various surgical operations. Through endoscopes, the lesion site can be clearly and intuitively understood, and the accuracy of lesion diagnosis can be improved.

In order to realize the bending of the snake bone structure of the endoscope, the conventional method is to fix the steel wire rope passing through the snake bone structure on the wire wheel of the endoscope through the aluminum block, and control the rotation of the aluminum block through the rotating circuit, so as to realize the different bending of the steel wire rope. Therefore, when the pressing position of the aluminum block and the wire wheel is not suitable, it will directly cause the bending angle of the endoscope to fail to meet the requirements. It is necessary to destroy and remove the aluminum block, and then press and adjust the position with the wire rope again. This process will consume materials, make it difficult to repair, and easily cause damage to the steel wire rope; and when in use, the tightness between the steel wire rope and the aluminum block cannot be adjusted, and the adjustment performance is poor.

Therefore, for the field of endoscopes, there is an urgent need for a technical solution that facilitates the adjustment of the wire rope, facilitates disassembly and maintenance, and has no material loss.

Contents of the invention

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide an adjustment structure of the endoscope wire rope and the endoscope, which are mainly used to solve the poor adjustment performance of the endoscope wire rope in the prior art, the difficulty of disassembly and maintenance, and the resulting material Defects such as loss.

In order to solve the above problems, the technical scheme adopted in the present invention is as follows:

In a first aspect, the present invention provides an adjustment structure for an endoscope wire rope, including a reel, an operating rod, a first ratchet member and a second ratchet member;

The operating rod is connected with the wire reel, and is used to drive the wire reel to rotate forward or reverse;

The first ratchet member and the second ratchet member are arranged on the adjustment side of the wire reel, and the first ratchet member and the second ratchet member are respectively used to detachably clamp the wire rope, and the wire reel is on the adjustment side A limiting portion is provided, and the limiting portion is used for embedded connection with a limiting elastic piece. The limiting elastic piece has a first foot and a second foot, and the first foot is against the first ratchet member. Then, the second foot abuts against the second ratchet member, and the limiting elastic piece restricts the respective rotation adjustment of the first ratchet member and the second ratchet member under the limiting action of the limiting part. direction, at least a part of the ratchet wheels of the first ratchet member and the second ratchet member are exposed on the adjustment side for the operator to rotate and adjust.

In some embodiments, the reel is provided with a first limit seat and a second limit seat, the first ratchet member includes a first limit post and a first adjustment bolt, and the first limit post is inserted into the Located on the first limiting seat, the shaft of the first limiting column is provided with a first through hole for passing through the wire rope and a first ratchet part for abutting against the first foot. The first adjusting bolt is screwed in from the top of the first limiting column and pressed against the steel wire rope passing through the first through hole;

The second ratchet member includes a second limit post and a second adjustment bolt, the second limit post is inserted in the second limit seat, and the shaft of the second limit post is provided with a Pass through the second through hole of the wire rope and the second ratchet part for abutting against the second foot part, the second adjusting bolt is screwed in from the top of the second limit post and pressed through the second Wire rope through the hole.

In some embodiments, the number of teeth of the first ratchet part and the second ratchet part are different.

In some embodiments, the number of teeth of the first ratchet part is 10 times the number of teeth of the second ratchet part.

In some embodiments, a plurality of first ratchet parts are vertically arranged on the shaft of the first limit post, and the numbers of teeth of the plurality of first ratchet parts are different, and the first ratchet parts can be sliding up and down along the column body of the first limiting column;

A plurality of second ratchet parts are vertically arranged on the shaft of the second limit post, and the numbers of teeth of the plurality of second ratchet parts are different, and the second ratchet parts can move along the second limit. The column body of the bit column slides up and down.

In some embodiments, there are at least two first ratchet parts with opposite forward rotation directions, and at least two second ratchet parts with opposite forward rotation directions.

In some embodiments, the teeth numbers of the plurality of first ratchet parts are all different multiples of the first reference number of teeth, and the number of teeth of the plurality of second ratchet parts are all different multiples of the second reference number of teeth.

In some embodiments, the limiting portion includes an intermediate limiting block and a limiting channel, the limiting channel surrounds at least a part of the outer circumference of the intermediate limiting block, and the first two ends of the limiting channel An opening and a second opening are respectively facing the first ratchet member and the second ratchet member, and both the first opening and the second opening leave a margin space in the same direction as the rotation adjustment direction, so as to Allowing the first leg and the second leg to give way when elastically deformed.

In some embodiments, a first fulcrum portion and a second fulcrum portion are respectively formed in the limiting channel, a first relief chamber is provided at a position opposite to the first fulcrum portion, and a first relief chamber is provided at a position opposite to the second fulcrum portion. There is a second relief room at the position, the first fulcrum part is used to abut against the first foot part and provide a reverse support force when the first foot part is deformed toward the rotation adjustment direction, and the second fulcrum part The portion is used to abut against the second foot and provide a reverse supporting force when the second foot is deformed toward the rotation adjustment direction.

In a second aspect, the present invention provides an endoscope, including a snake bone, a wire rope, and the above-mentioned adjustment structure of the endoscope wire rope, and the adjustment structure controls the bending of the snake bone through the wire rope.

Compared with the prior art, the present invention at least includes the following beneficial effects:

The first ratchet member and the second ratchet member can only rotate according to the forward rotation direction of their respective ratchets under the restriction of the limit spring. Since the first ratchet member and the second ratchet member are fixed with steel wire ropes, when the rotation adjusts When the ratchet member and/or the second ratchet member are used, it is equivalent to adjusting the left and right traction strength and direction of the wire rope, so as to realize the pre-tightening of the wire rope and the angle adjustment during use;

The steel wire rope is detachably connected to the first ratchet member and the second ratchet member, and can directly adjust the clamping position of the wire rope to roughly adjust the traction length of the wire rope, and then cooperate with the fine adjustment function of the first ratchet member and the second ratchet member. The steel wire rope is wound on the first ratchet member and/or the second ratchet member in different degrees to realize the precise adjustment function of the wire rope, and the disassembly and maintenance are simple and there is no material loss;

By having the first ratchet part and the second ratchet part with different ratios of sawtooth numbers, different adjustment relationships of the ratchet parts can be realized and the adjustment accuracy can be improved.

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

The present invention will be further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, they can also obtain other according to the following accompanying drawings under the premise of not paying creative work. Attached picture.

Fig. 1 is a schematic diagram of the overall structure of an adjustment structure of an endoscope wire rope in this embodiment.

Fig. 2 is a top view of an adjustment structure of an endoscope wire rope in this embodiment.

Fig. 3 is a schematic diagram of the overall structure of the wire tray in this embodiment.

Fig. 4 is a schematic diagram of the overall structure of the first ratchet member or the second ratchet member in an embodiment.

Fig. 5 is a schematic diagram of the overall structure of an endoscope in this embodiment.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, when it is described that a specific device is located between a first device and a second device, there may or may not be an intervening device between the specific device and the first device or the second device. When it is described that a specific device is connected to other devices, the specific device may be directly connected to the other device without an intervening device, or may not be directly connected to the other device but has an intervening device.

Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

The inventors found that:

When using an endoscope to perform some precision operations, it is often necessary to precisely control the angle of the snake bone, and it is also necessary to adapt to the needs of multi-directional and multi-angle, and further refine the granularity of angle adjustment. However, the current endoscopes are crude and inaccurate when realizing the traction control of the wire rope.

In view of this, in order to solve the above existing problems, in the first aspect, referring to Fig. 1 to Fig. 4, this embodiment provides an adjustment structure of an endoscope wire rope. , the operating rod 11, the first ratchet member 20 and the second ratchet member 30;

The operating rod 11 is connected with the wire reel 10, and is used to drive the wire reel 10 to rotate forward or reverse; the wire reel 10 has a groove for the wire rope 50 to wind and move;

The first ratchet member 20 and the second ratchet member 30 are arranged on the adjustment side 12 of the reel 10, the first ratchet member 20 and the second ratchet member 30 are respectively used to detachably clamp the wire rope 50, and the wire rope 50 runs from the wire reel 10. The groove of the groove goes around to the adjustment side 12, and all extend into the first ratchet member 20 or the second ratchet member 30 from the free end, and the wire rope 50 is detachably connected to the first ratchet member 20 and the second ratchet member 30 state;

The wire reel 10 is provided with a limiting part 13 on the adjustment side 12. The limiting part 13 is used to connect a limiting elastic piece 40 embedded therein. The limiting elastic piece 40 can be taken out from the limiting part 13. The limiting elastic piece 40 has a first foot 41 and the second foot 42 are in the shape of a "several" as a whole. The first foot 41 is in contact with the first ratchet member 20, and the second foot 42 is in contact with the second ratchet member 30. Due to the gears in the ratchet member It will tilt towards one direction, that is, it has the distinction of forward rotation and reverse rotation, and the limit elastic piece 40 limits the respective rotation adjustment directions of the first ratchet member 20 and the second ratchet member 30 under the limit action of the limiter 13 , realize one-way rotation, and at least a part of the ratchets of the first ratchet member 20 and the second ratchet member 30 are exposed on the adjustment side 12 for the operator to rotate and adjust.

In this embodiment, both the first foot 41 and the second foot 42 are stuck between the two gears of the ratchet member. When the ratchet member rotates in the forward direction, the first foot 41 and/or the second foot 42 will produce a certain deformation, so as to rotate, and after rotating the granularity of a gear, it will be stuck between the two gears again to realize the position limiting effect, and every time the ratchet member rotates, the winding length of the wire rope 50 on the ratchet member will increase. will increase to realize the control of the bending angle of the wire rope 50; through the limited rotation relationship between the limit shrapnel 40 and the two ratchet members, the length adjustment of the wire rope 50 can be refined to the gear granularity of the ratchet members, which is fine adjustment Dimension; Another dimension of rough adjustment is achieved through the detachable connection state between the wire rope 50 and the first ratchet member 20 and the second ratchet member 30, and the wire rope 50 is passed through the first ratchet member 20 and the second ratchet member 30 by hand. Ratchet member 30 leaves certain steel wire rope 50 surplus.

Example 1:

3 and 4, in this embodiment 1, the reel 10 is provided with a first limit seat 14 and a second limit seat 15, and the first ratchet member 20 includes a first limit post 21 and a first adjustment bolt 22. The first limit post 21 is inserted in the first limit seat 14, the first limit post 21 can rotate in the first limit seat 14, and the shaft of the first limit post 21 is provided with a The first through hole 23 of the wire rope 50 and the first ratchet part 24 for abutting against the first foot part 41, the first adjusting bolt 22 is screwed in from the top of the first limit post 21 and pressed through the first through hole 23 of the steel wire rope 50, after passing one end of the steel wire rope 50 through the first through hole 23, the steel wire rope 50 can be compressed by tightening the first adjusting bolt 22, so as to realize the fixing of the steel wire rope 50 at this end;

Similarly, the second ratchet member 30 includes a second limiting column 31 and a second adjusting bolt 32, the second limiting column 31 is inserted in the second limiting seat 15, and the second limiting column 31 can be positioned at the second limiting position. Rotate in the seat 15, the shaft of the second limiting post 31 is provided with a second through hole for passing through the wire rope 50 and a second ratchet part 34 for abutting against the second foot part 42, the second adjusting bolt 32 Screw in and compress the steel wire rope 50 that runs through the second through hole from the top of the second limit post 31. After one end of the steel wire rope 50 passes through the second through hole, the second adjusting bolt 32 can be tightened. Steel wire rope 50 compresses, realizes the fixing of this end of steel wire rope 50.

As an embodiment, the number of saw teeth of the first ratchet part 24 and the second ratchet part 34 are different, and the minimum granularity of adjustment realized by the left and right ratchet parts is different. Preferably, the number of saw teeth of the first ratchet part 24 is The second ratchet part 34 has 10 times the number of saw teeth, that is, the first ratchet part 24 can be used to retract the steel wire rope 50 by N distance every time it is rotated, and the second ratchet part 34 can be used to retract the steel wire rope 50 by 10N every time it is rotated. The two achieve different wire rope 50 indentation granularity, which is more suitable for adjustment requirements in different use environments.

As an implementation, a plurality of first ratchet parts are vertically arranged on the column body of the first limit post 21, and the number of teeth of the plurality of first ratchet parts is different, and the first ratchet parts can be positioned along the first limit The column body of column 21 slides up and down;

The column body of the second limiting column 31 is vertically arranged with a plurality of second ratchet parts, the number of teeth of the plurality of second ratchet parts is different, and the second ratchet parts can be up and down along the column body of the second limiting column 31 slide.

Since the relative positions of the first limit post 21, the second limit post 31 and the limit elastic piece 40 will not change, when it is necessary to achieve different adjustment effects, slide the ratchet part up and down to make different first ratchets The part and the second ratchet part move to the position where they limit and cooperate with the limit elastic piece 40 to realize shift adjustment.

Optionally, there are at least two first ratchet parts with opposite forward rotation directions, and at least two second ratchet parts with opposite forward rotation directions. When the ratchet part moves to the position corresponding to the limit elastic piece 40, the reverse adjustment can be realized, so that the adjustment is no longer unidirectional.

Optionally, the teeth numbers of the plurality of first ratchet parts 24 are all different multiples of the first reference number of teeth, and the numbers of teeth of the plurality of second ratchet parts 34 are all different multiples of the second reference number of teeth. When switching between parts, seamless switching can be guaranteed without frustration.

In the above embodiments, a plurality of ratchet parts are strung on the shaft of the limit post, and the limit post can be provided with a plurality of pin holes distributed vertically, and the ratchet parts are connected with the pin holes through the pins, which is convenient for ratcheting after gear shifting. Ministry of fixation.

Example 2:

2 and 3, in this embodiment 2, the limiting portion 13 includes a middle limiting block 16 and a limiting groove 17, the limiting groove 17 surrounds at least a part of the outer circumference of the middle limiting block 16, and the middle limiting A part of the outer circumference of the position block 16 is facing the two ratchet members, the limit channel 17 is located between the middle limit block 16 and the reel 10, the limit spring piece 40 is snapped into the limit channel 17, and the limit channel The first opening 18 and the second opening 19 at both ends of 17 face the first ratchet member 20 and the second ratchet member 30 respectively, and the first opening 18 and the second opening 19 all leave a margin in the same direction as the rotation adjustment direction. The degree space 61 is for the first foot portion 41 and the second foot portion 42 to give way when the elastic deformation occurs. When the first foot portion 41 and the second foot portion 42 are in a stable state, there is a direction toward the rotation adjustment direction. The margin space 61, when the ratchet member is rotated to make the ratchet member rotate towards the direction of rotation adjustment, under the action of the ratchet gear, it will drive the first leg 41 and/or the second leg 42 to deform and bend, and when the next ratchet gear reaches The position resets to a stable state before, so the two ratchet members can only turn one click at a time, creating grain.

As an embodiment, a first fulcrum portion 62 and a second fulcrum portion 63 are respectively formed in the limit channel 17, and a first relief chamber 64 is provided at a position opposite to the first fulcrum portion 62, and a first relief chamber 64 is provided at a position opposite to the second fulcrum portion. The position opposite to the fulcrum portion 63 is provided with a second relief chamber 65, the first fulcrum portion 62 is used to abut against the first foot portion 41, and provide a reverse supporting force when the first foot portion 41 is deformed toward the rotation adjustment direction, The second fulcrum portion 63 is used to abut against the second foot portion 42 and provide a reverse supporting force when the second foot portion 42 is deformed toward the rotation adjustment direction. When driving deformation, in order to avoid breakage and permanent deformation of the limiting shrapnel 40, two fulcrum action points are added in the middle of the limiting shrapnel 40, and a room is left at the position opposite to the fulcrum, so that a single foot When the deformation occurs, it is not a C shape, but an S shape, which is more conducive to improving the force uniformity of the limiting elastic piece 40 during deformation, and improving the service life of the limiting elastic piece 40 .

As an embodiment, the wire reel 10 is also provided with a wire passing adjustment hole on the adjustment side 12, the wire passing adjustment hole is located between the first ratchet member 20 and the second ratchet member 30, and is used to pass through the first ratchet member. 20 and the wire rope 50 protruding from the second ratchet member 30, because the distance between the two ratchet members is small, it is inconvenient to reach in and adjust the wire rope 50, so by setting the wire adjustment hole between the two ratchet members, the wire rope 50 Go down through the thread adjustment hole, which is convenient for the operator to adjust.

In the second aspect, referring to FIG. 5 , the present embodiment provides an endoscope, including a snake bone part 70, a steel wire rope 50 and the above-mentioned adjustment structure of an endoscope steel wire rope, and the adjustment structure controls the snake bone part 70 through the steel wire rope 50. bending.

As an embodiment, there is only one wire rope 50, one of its two free ends is connected to the first ratchet member 20, and the other end is connected to the second ratchet member 30. The middle part of the wire rope 50 passes through the serpentine part 70. When the member 20 and/or the second ratchet member 30, the total length of the wire rope 50 will change.

As an embodiment, there are two wire ropes 50, one end of one wire rope 50 is connected to the first ratchet member 20, the other end is connected to the serpentine part 70, and one end of the other wire rope 50 is connected to the second ratchet member 30, and the other end is connected to the second ratchet member 30. Connect snake bone part 70, there is no direct connection between two steel wire ropes 50.

It should be noted that the serpentine part 70 includes an insertion tube 71 and a snake structure 72. When the operating rod 11 is pushed to rotate the reel 10, the position of the insertion tube 71 will not change, but is pulled by the wire rope 50. As a result of the bending of the serpentine structure 72 , in the bending or straight state, the traction state of the wire rope 50 can be finely adjusted by operating the first ratchet member 20 and/or the second ratchet member 30 , so as to achieve more precise adjustment and control.

To sum up, compared with the prior art, the above-mentioned embodiment provides an adjustment structure of an endoscope wire rope and an endoscope. The first ratchet member 20 and the second ratchet member 30 can only operate according to The positive direction of rotation of their respective ratchets rotates. Since the first ratchet member 20 and the second ratchet member 30 are fixed with a wire rope 50, when the first ratchet member 20 and/or the second ratchet member 30 are rotated and adjusted, it is equivalent to adjusting the wire rope. The left and right traction strength and direction of 50 can realize the pre-tightening of steel wire rope 50 and the angle adjustment during use;

The wire rope 50 is detachably connected to the first ratchet member 20 and the second ratchet member 30, and the clamping position of the wire rope 50 can be directly adjusted to roughly adjust the traction length of the wire rope 50, and then the first ratchet member 20 and the second ratchet can be matched. The fine-tuning function of the member 30 winds the steel wire rope 50 on the first ratchet member 20 and/or the second ratchet member 30 to varying degrees to realize the precise adjustment function of the steel wire rope 50, and the disassembly and maintenance are simple and there is no material loss;

By having the first ratchet part 24 and the second ratchet part 34 with different sawtooth ratios, different adjustment relationships of the ratchet parts can be realized and the adjustment accuracy can be improved.

The above-mentioned embodiment is only a preferred embodiment of the present invention, and cannot be used to limit the protection scope of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. An adjustment structure of an endoscope wire rope, characterized in that it comprises a reel, an operating lever, a first ratchet member and a second ratchet member; The operating rod is connected with the wire reel, and is used to drive the wire reel to rotate forward or reverse; The first ratchet member and the second ratchet member are arranged on the adjustment side of the wire reel, and the first ratchet member and the second ratchet member are respectively used to detachably clamp the wire rope, and the wire reel is on the adjustment side A limiting portion is provided, and the limiting portion is used for embedded connection with a limiting elastic piece. The limiting elastic piece has a first foot and a second foot, and the first foot is against the first ratchet member. Then, the second foot abuts against the second ratchet member, and the limiting elastic piece restricts the respective rotation adjustment of the first ratchet member and the second ratchet member under the limiting action of the limiting part. direction, at least a part of the ratchet wheels of the first ratchet member and the second ratchet member are exposed on the adjustment side for the operator to rotate and adjust. 2. The adjustment structure of an endoscope wire rope according to claim 1, wherein the wire reel is provided with a first limit seat and a second limit seat, and the first ratchet member includes a first A limiting column and a first adjusting bolt, the first limiting column is inserted in the first limiting seat, the column body of the first limiting column is provided with a first through hole for passing through a steel wire rope and a first ratchet part for abutting against the first foot part, the first adjusting bolt is screwed in from the top of the first limit post and pressed against the wire rope passing through the first through hole; The second ratchet member includes a second limit post and a second adjustment bolt, the second limit post is inserted in the second limit seat, and the shaft of the second limit post is provided with a Pass through the second through hole of the wire rope and the second ratchet part for abutting against the second foot part, the second adjusting bolt is screwed in from the top of the second limit post and pressed through the second Wire rope through the hole. 3 . The adjusting structure of an endoscope wire rope according to claim 2 , wherein the numbers of teeth of the first ratchet part and the second ratchet part are different. 4 . 4 . The adjusting structure of an endoscope wire rope according to claim 3 , wherein the number of saw teeth of the first ratchet part is 10 times that of the second ratchet part. 5 . 5. The adjusting structure of a kind of endoscope steel wire rope as claimed in claim 2, is characterized in that, the column shaft place of described first position-limiting column is vertically arranged with a plurality of first ratchet parts, and a plurality of said The number of teeth of the first ratchet part is different, and the first ratchet part can slide up and down along the column body of the first limit post; A plurality of second ratchet parts are vertically arranged on the shaft of the second limit post, and the numbers of teeth of the plurality of second ratchet parts are different, and the second ratchet parts can move along the second limit. The column body of the bit column slides up and down. 6. The adjustment structure of an endoscope wire rope as claimed in claim 5, wherein there are at least two first ratchet parts whose positive rotation direction is opposite, and at least two second ratchet parts The positive direction of rotation is opposite. 7. The adjustment structure of an endoscope wire rope as claimed in claim 5, wherein the number of teeth of the plurality of first ratchet parts is a different multiple of the first reference number of teeth, and the number of teeth of the plurality of first ratchet parts The numbers of saw teeth of the two ratchet parts are all different multiples of the second reference number of saw teeth. 8. The adjustment structure of an endoscope wire rope according to any one of claims 1 to 7, wherein the limiting part comprises a middle limiting block and a limiting channel, and the limiting channel Surrounding at least a part of the outer circumference of the middle limiting block, the first opening and the second opening at both ends of the limiting channel are respectively facing the first ratchet member and the second ratchet member, the first opening and the second ratchet member The two openings leave a margin space in the same direction as the rotation adjustment direction for the first leg and the second leg to give way when elastically deformed. 9. The adjustment structure of an endoscope wire rope according to claim 8, wherein a first fulcrum portion and a second fulcrum portion are respectively formed in the limiting groove, and the first fulcrum portion opposite to the first fulcrum portion A first relief chamber is provided at the position, and a second relief chamber is provided at a position opposite to the second fulcrum portion, the first fulcrum portion is used to abut against the first foot portion, and the first foot portion faces toward the A reverse support force is provided when the rotation adjustment direction is deformed, and the second fulcrum part is used to abut against the second foot and provide a reverse support force when the second foot is deformed toward the rotation adjustment direction. 10. A kind of endoscope, it is characterized in that, comprise snake bone part, steel wire rope and the adjusting structure of a kind of endoscope steel wire rope as described in any one of claim 1 to 9, described adjusting structure controls described by steel wire rope The curvature of the snake's bone.

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