CN220256527U - Flexible apparatus conveying device - Google Patents

Abstract

The utility model discloses a flexible instrument conveying device, which comprises: a housing through which a flexible instrument passes; and the conveying execution mechanisms are positioned in the shell, are used for clamping the flexible instrument and conveying the flexible instrument along the extending direction of the flexible instrument, and are at least two groups of conveying execution mechanisms and are arranged along the extending direction of the flexible instrument. The conveying execution mechanisms are arranged into at least two groups, so that the driving force of the flexible instrument in the conveying process can be increased, namely the conveying strength is improved, and the stability of the flexible instrument in the conveying process is improved; in addition, the conveying execution mechanisms are at least two groups, and if the conveying execution mechanisms are damaged, other conveying execution mechanisms can continue to work without influencing the conveying function.

Description

Flexible apparatus conveying device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a flexible appliance conveying device.

Background

The natural cavity tracts such as the digestive tract, the respiratory tract, the urethra and the like are the parts easy to cause common diseases of human beings, and the focus is positioned in the natural cavity tracts of the human body, so that the examination and the treatment are required to be carried out through a soft endoscope.

The robot-assisted soft endoscope interventional technique enables an operator to operate the soft endoscope through the control handle, greatly reduces the labor intensity of manual operation of the operator, reduces the dependence on the skill and experience of the operator in the operation process, and reduces the radiation to the operator, thereby improving the operation efficiency and safety.

The accurate, continuous and stable conveying of the soft endoscope is an important precondition for completing tasks such as lesion screening, biopsy, tissue stripping and the like in a complex natural cavity environment. However, since tissue fluid is present in the natural lumen, the soft endoscope is likely to slip during the delivery process, which affects the delivery efficiency.

Therefore, how to provide a flexible device conveying apparatus to improve the stability of the flexible endoscope in the conveying process is a technical problem to be solved by the skilled person.

Disclosure of Invention

In view of the above, the present utility model provides a flexible instrument delivery device to improve stability during delivery of a soft endoscope.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a flexible instrument delivery device, comprising:

a housing through which a flexible instrument passes;

and the conveying execution mechanisms are positioned in the shell, are used for clamping the flexible instrument and conveying the flexible instrument along the extending direction of the flexible instrument, and are at least two groups of conveying execution mechanisms and are arranged along the extending direction of the flexible instrument.

Preferably, in the flexible apparatus conveying device, the conveying execution mechanisms are two groups, and are a first conveying execution mechanism and a second conveying execution mechanism respectively.

Preferably, in the flexible device conveying apparatus, the first conveying executing mechanism includes:

the first driving gear and the first driven gear are meshed for transmission;

the first driven gear is coaxially connected with the first driving omnidirectional wheel;

the first driving omni-wheel and the first driven omni-wheel are distributed on two sides of the flexible instrument and clamp the flexible instrument, and the first driving omni-wheel drives the flexible instrument to move along the extending direction of the flexible instrument;

the first butt joint piece is used for transmitting power to the first driving gear.

Preferably, in the flexible device conveying apparatus, the second conveying executing mechanism includes:

the second driving gear and the second driven gear are meshed for transmission;

the second driven gear is coaxially connected with the second driving omnidirectional wheel;

the second driving omni-wheel and the second driven omni-wheel are distributed on two sides of the flexible instrument and clamp the flexible instrument, and the second driving omni-wheel drives the flexible instrument to move along the extending direction of the flexible instrument;

and a second docking member for transmitting power to the second drive gear.

Preferably, in the flexible device conveying apparatus, the second active omni-wheel and the first active omni-wheel are located on the same side of the flexible device.

Preferably, in the flexible device delivery apparatus, the flexible device delivery apparatus further includes:

and the conveying adjusting mechanism is used for adjusting the clamping force of the conveying executing mechanism on the flexible instrument.

Preferably, in the flexible device conveying apparatus, the conveying adjustment mechanism includes:

the conveying clamping executing mechanism is rotatably arranged on the conveying clamping executing mechanism, and the conveying clamping executing mechanism can drive the first driven omnidirectional wheel and the second driven omnidirectional wheel to move;

and the conveying clamping driving mechanism is used for propping against the conveying clamping executing mechanism and providing power for the conveying clamping executing mechanism to drive the first driven omnidirectional wheel and the second driven omnidirectional wheel to move.

Preferably, in the flexible device delivery apparatus, the flexible device delivery apparatus further includes:

and the conveying driving mechanisms are connected with the conveying executing mechanisms in a one-to-one correspondence manner and respectively provide power for the conveying executing mechanisms to drive the flexible instrument to move.

Preferably, in the flexible device delivery apparatus, the flexible device delivery apparatus further includes:

the detection torque transmission mechanism is used for being fixedly connected with the wheel shaft of the first driven omnidirectional wheel;

and detecting a butt joint shafting, wherein the butt joint shafting is connected with the detection torque transmission mechanism and detects the rotation angle of the first driven omnidirectional wheel.

Preferably, in the flexible device delivery apparatus, the flexible device delivery apparatus further includes:

a lubrication mechanism for lubricating the flexible instrument;

and the cleaning mechanism is used for cleaning the flexible instrument.

The utility model discloses a flexible instrument conveying device, which is characterized in that conveying execution mechanisms are arranged into at least two groups, so that the driving force of a flexible instrument in the conveying process can be increased, namely the conveying strength is improved, and the stability of the flexible instrument in the conveying process is improved; in addition, the conveying execution mechanisms are at least two groups, and if the conveying execution mechanisms are damaged, other conveying execution mechanisms can continue to work without influencing the conveying function.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a flexible instrument delivery device disclosed in an embodiment of the present utility model;

FIG. 2 is a schematic view of another directional structure of the flexible instrument delivery device disclosed in an embodiment of the present utility model;

FIG. 3 is a schematic view of a drive mechanism of the flexible instrument delivery device disclosed in an embodiment of the present utility model;

FIG. 4 is a schematic view of the internal structure of a drive mechanism of the flexible instrument delivery device disclosed in an embodiment of the present utility model;

FIG. 5 is a schematic view of a first conveyor driving assembly according to an embodiment of the utility model;

FIG. 6 is a schematic diagram of a second conveyor drive assembly disclosed in an embodiment of this utility model;

FIG. 7 is a schematic view of a clamp drive assembly disclosed in an embodiment of the present utility model;

FIG. 8 is an exploded view of the clamping drive assembly disclosed in an embodiment of the present utility model;

FIG. 9 is a schematic view of another configuration of the clamping drive assembly disclosed in an embodiment of the present utility model;

FIG. 10 is an assembly view of a docking assembly disclosed in an embodiment of the present utility model;

FIG. 11 is another assembly view of the docking assembly disclosed in an embodiment of the present utility model;

FIG. 12 is a side view of a docking assembly disclosed in an embodiment of the present utility model;

FIG. 13 is a cross-sectional view taken along the direction A-A in FIG. 12;

FIG. 14 is an assembled side view of a test docking shaft disclosed in an embodiment of the present utility model;

FIG. 15 is a schematic diagram of an actuator disclosed in an embodiment of the present utility model;

FIG. 16 is a front view of an actuator disclosed in an embodiment of the present utility model in a housing open position;

FIG. 17 is a schematic view of the structure of the interior of the actuator disclosed in an embodiment of the present utility model;

FIG. 18 is a schematic diagram of a transport actuator disclosed in an embodiment of the present utility model;

fig. 19 is a schematic structural diagram of a first active omni-wheel disclosed in an embodiment of the present utility model;

fig. 20 is a split view of a first active omni-wheel disclosed in an embodiment of the present utility model;

fig. 21 is another schematic structural view of a first active omni-wheel disclosed in an embodiment of the present utility model;

FIG. 22 is a schematic view of a clamp actuator disclosed in an embodiment of the present utility model;

FIG. 23 is a top view of a clamp actuator in contact with a compression block as disclosed in an embodiment of the present utility model;

FIG. 24 is a schematic diagram of a detection torque-transmitting mechanism according to an embodiment of the present utility model;

FIG. 25 is a schematic view of a quick connector assembly according to an embodiment of the present utility model;

FIG. 26 is a diagram illustrating the assembly of an actuator and a drive mechanism as disclosed in an embodiment of the present utility model;

FIG. 27 is a schematic view of a cleaning mechanism disclosed in an embodiment of the present utility model;

fig. 28 is a schematic structural view of a lubrication mechanism disclosed in an embodiment of the present utility model.

Detailed Description

The utility model discloses a flexible instrument conveying device which is used for improving stability in a soft endoscope conveying process.

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.

The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

The embodiment of the utility model discloses a flexible instrument conveying device, which aims at a flexible instrument to execute reliable transfer movement so as to meet the clinical requirement on flexible instrument conveying.

It should be noted that the flexible instrument herein includes, but is not limited to, a soft endoscope.

The flexible instrument delivery device shown in fig. 1 and 2 includes an actuator 300 and a driving mechanism 400, wherein the flexible instrument 100 passes through the actuator 300, and the lubrication mechanism 200 is sleeved outside the flexible instrument 100. The actuator 300 is connected to the drive mechanism 400.

In some embodiments, the drive mechanism 400 is mounted at the end of the robotic arm, and is coupled to the end of the robotic arm via a six-dimensional force sensor.

The drive mechanism 400 provides a driving force to the actuator 300 to effect a delivery operation of the flexible instrument 100 by the actuator 300. After the actuator 300 clamps the flexible instrument 100, the actuator 300 may be driven to perform a movement of the flexible instrument 100.

It should be noted that: "take-off motion" refers to take-off along the direction of extension of the flexible instrument 100.

As shown in fig. 3 and 4, the driving mechanism 400 of the present utility model includes: a housing assembly 401, a mounting slot 402, a connection assembly 403, a docking assembly 404, a clamping drive assembly 405, a first transport drive assembly 407, a second transport drive assembly 408, a body frame 409, a radio frequency identification module 4061, and a position sensor 4062.

The housing assembly 401 includes a housing 4011 and an upper cover plate 4012, the housing 4011 has an L-shaped structure, and the housing 4011 is detachably connected with the upper cover plate 4012 and forms an L-shaped accommodating space therein. The clamping driving assembly 405, the first conveying driving assembly 407, the second conveying driving assembly 408 and the main body frame 409 are all installed in the L-shaped accommodating space.

In fig. 3, the connection assembly 403 includes: vertical guide rail 4031, quick connector 4032 and guide post 4033. Wherein, the quick connectors 4032 and the guide posts 4033 protrude from the upper cover plate 4012, the number of the quick connectors 4032 is two, and the two quick connectors 4032 and the guide posts 4033 are arranged on the upper cover plate 4012 in a triangle; the vertical guide rail 4031 is arranged perpendicular to the upper cover plate 4012.

The connection assembly 403 is used to connect the drive mechanism 400 and the actuator 300. The connection assembly 403 in the present utility model includes, but is not limited to, the above-described structure, so long as the manner in which the actuator 300 is connected to the connection assembly 403 can be achieved.

In some embodiments, the quick connector 4032 is a fixed connector tab and has a connector through hole.

As shown in connection with FIG. 25, the actuator 300 of the present utility model has a quick connector assembly 3014 thereon. Wherein, quick connector assembly 3014 comprises: a biasing portion 30141, a movable hook 30142, and a return spring 30143.

The quick connector assembly 3014 is fixed on the actuator 300, and the movable hook 30142 is exposed out of the actuator 300 and can be hooked in a fastening through hole of the quick connector 4032. The urging portion 30141 is exposed to the actuator 300.

Referring to fig. 26, in the process of inserting and abutting the actuator 300 with the driving mechanism 400, after the vertical guide rail 4031 and the guide post 4033 guide the connection of the actuator 300, the movable hook 30142 can press against the fixed quick connector 4032, and the movable hook 30142 moves along the inner side of the actuator 300 in the first direction, and the return spring 30143 is deformed by compression; as the hook portion of the movable hook 30142 is gradually aligned with the engaging hole of the quick connector 4032, under the action of the return spring 30143, the hook portion of the movable hook 30142 can move along the outer side of the actuator 300 in the first direction and is engaged with the engaging hole of the movable hook 30142, thereby realizing quick connection between the actuator 300 and the driving mechanism 400.

In some embodiments, the first direction is the direction of extension of the flexible instrument 100; when the flexible instrument 100 is a circular tube, the extending direction of the flexible instrument 100 is the axial direction of the flexible instrument 100.

During the connection of the actuator 300 to the driving mechanism 400, the vertical guide rail 4031 guides the process of plugging the actuator 300 from top to bottom, so as to ensure the quick connector 4032 and the quick connector assembly 3014 to be quickly positioned.

The quick connector 4032 and the quick connector assembly 3014 of the present utility model form a quick connect device for the actuator 300 and the drive mechanism 400, which in this aspect includes, but is not limited to, the structures described above.

In the process of detaching the actuator 300, the operator presses the force application portion 30141 to push the movable hook 30142 to move along the first direction inside the actuator 300 until the movable hook 30142 is disengaged from the engaging hole of the quick connector 4032, thereby detaching the actuator 300 from the driving mechanism 400.

By adopting the connecting mode, the operation of dismantling or replacing can be rapidly performed in and after the operation, so that the operation preparation time or operation time can be reduced, and the cross contamination can be effectively avoided.

The process by which the driving mechanism 400 provides the driving force to the actuator 300 will be described in detail.

With continued reference to fig. 4, wherein the body frame 409 includes: an L-shaped motherboard 4091 and a connection post 4092.

One end of the connecting column 4092 is fixedly connected with the horizontal plate of the L-shaped main board 4091, the other end of the connecting column 4092 is fixedly connected with the upper cover plate 4012, a space is formed between the horizontal plate of the L-shaped main board 4091 and the upper cover plate 4012, and the height of the space is determined by the height of the connecting column 4092.

The quick connector 4032, the guide post 4033 and the position sensor 4062 are all fixed on the upper cover plate 4012. The position sensor 4062 is used to detect whether the actuator 300 is mounted to the upper cover 4012.

As described in connection with fig. 5, the first conveyance driving assembly 407 in the present utility model includes: the first drive motor 4071, the first motor bracket 4072, the first drive timing pulley 4073, the first timing belt 4074, the first tensioning mechanism 4075, the first support plate 4077, the first output shaft 4078, and the first driven timing pulley 4079.

Wherein, the first driving motor 4071 is fixed on the vertical plate of the L-shaped main board 4091 through the first motor bracket 4072, and the output end of the first driving motor 4071 is connected with a first driving synchronous pulley 4073; the horizontal plate of the L-shaped main plate 4091 is connected with a first driven timing pulley 4079 and a first support plate 4077.

The first driven timing pulley 4079 is mounted on the first output shaft 4078, the first output shaft 4078 is rotatably mounted on the first support plate 4077, and the first driving timing pulley 4073 and the first driven timing pulley 4079 are drivingly connected by the first timing belt 4074.

The first tensioning mechanism 4075 is fixed to the L-shaped main plate 4091 and is used for adjusting the tensioning force of the first timing belt 4074. It should be noted that, the specific structure of the first tensioning mechanism 4075 is not specifically limited in the present utility model, and any manner that can achieve the adjustment of the tensioning force of the first synchronous belt 4074 is within the scope of the present utility model.

The first support plate 4077 in some embodiments is a Z-shaped plate that includes a first section, a second section, and a third section. The first section is parallel to the horizontal plate of the L-shaped main board 4091 and is fixedly connected with the horizontal plate; the second section connects the first section and the third section. In some embodiments, the third section is parallel to the first section. The first output shaft 4078 passes through the third section.

The actuator 300 may be powered for movement by the first conveyor drive assembly 407 described above.

In some embodiments, the first transport drive assembly 407 further includes a first position sensor 4076. In some embodiments, the first position sensors 4076 are two and are each fixed to the first support plate 4077 and arranged at different positions along the extending direction of the first timing belt 4074.

In some embodiments, one of the two first position sensors 4076 corresponds to a set of drive docking shafts 4041 and the other corresponds to a set of detection docking shafts 4042 to detect whether the actuator 300 and the first docking plate 40411 and the second docking plate 40421 are in place.

As shown in fig. 6, the second conveyance driving assembly 408 in the present utility model includes: a second drive motor 4081, a second motor bracket 4082, a second driving synchronous pulley 4083, a second synchronous belt 4084, a second tensioning mechanism 4085, a second support plate 4087, a second output shaft 4088, and a second driven synchronous pulley 4089.

The connection relationship of the second conveying driving assembly 408 in the present utility model is the same as that of the first conveying driving assembly 407, and is not described herein, but only referred to above. The first and second transport driving assemblies 407 and 408 are distributed at both ends of the L-shaped main board 4091 in the first direction.

One of the two second position sensors 4086 of the second conveyor drive assembly 408 corresponds to the other one of the drive docking shafts 4041, and the other one corresponds to the other one of the test docking shafts 4042, to detect whether the actuator 300 is in place.

The second conveyor drive assembly 408 of the present utility model may provide motive power for the movement of the actuator 300.

As shown in connection with fig. 7 and 8, the clamp driving assembly 405 of the present utility model includes: the lead screw assembly 4051, the third driving synchronous pulley 4058, the third tensioning mechanism 4053, the third motor bracket 4054, the third driving motor 4055, the third synchronous belt 4056, the compression block 4057 and the third driven synchronous pulley 4052.

Wherein the lead screw assembly 4051 includes: screw support 40511, limiting plate 40512, nut 40513 and screw 40514.

The third driving motor 4055 is fixed on the horizontal plate of the L-shaped main board 4091 through a third motor bracket 4054, and an output shaft of the third driving motor 4055 is in transmission connection with a third driving synchronous pulley 4058, and a third driven synchronous pulley 4052 is in coaxial connection with the screw 40514, so that synchronous rotation is realized. The third driving pulley 4058 is in driving connection with the third driven pulley 4052 via a third timing belt 4056.

The third tensioning mechanism 4053 is mounted on the vertical plate of the L-shaped main plate 4091 for adjusting the tensioning force of the third timing belt 4056. The specific structure of the third tensioning mechanism 4053 is not particularly limited in the present utility model, and any manner that can adjust the tensioning force of the third timing belt 4056 is within the scope of the present utility model.

The lead screw support 40511 is L-shaped plate, and including spacing portion and assembly portion, wherein, spacing portion and the vertical board fixed connection of L type mainboard 4091, assembly portion is parallel with the vertical board of L type mainboard 4091, and two rod ends of lead screw 40514 rotate and connect on the assembly portion of the vertical board of L type mainboard 4091 and lead screw support 40511, and nut 40513 is connected with lead screw 40514 cooperation.

The nut 40513 of the present utility model is capable of being in limited connection with the limit portion of the screw support 40511 and converting the rotation of the nut 40513 about the screw 40514 into movement along the screw 40514. The nut 40513 is fixedly connected with the pressing block 4057, and can drive the pressing block 4057 to move along the axial direction of the screw 40514.

In some embodiments, a limiting plate 40512 is disposed between the nut 40513 and the limiting portion of the screw support 40511, and a circumferential rotation limiting pair is formed by attaching the limiting plate 40512 to the nut 40513 to limit the rotation of the nut 40513. The limiting plate 40512 can be made of self-lubricating nylon materials, on one hand, the nut 40513 is smooth when moving relative to the screw rod 40514, the clamping stagnation phenomenon is avoided, meanwhile, based on the configuration of the limiting plate 40512, the screw rod assembly 4051 can be widely used for different product designs and also can be suitable for different product types, and good interchangeability is achieved.

It should be noted that, the limiting pair limiting the circumferential rotation of the nut 40513 in the present utility model includes, but is not limited to, the above-mentioned manner.

The third driving motor 4055 drives the third driving synchronous pulley 4058 to rotate, and power is transmitted to the third driven synchronous pulley 4052 through the third synchronous belt 4056, so that the screw 40514 is driven to rotate, the nut 40513 moves on the screw 40514, and the pressing block 4057 is pushed to do linear motion. The axial direction of the screw 40514 is a moving direction of the outer support 3043 hereinafter.

When applied to the actuator 300, the clamp drive assembly 405 may simultaneously adjust the clamping force of the first and second transport actuators 302, 303.

In other implementations, the clamp drive assembly 405 may also be configured as a link clamp drive assembly, see fig. 9.

As shown in fig. 9, the clamping driving assembly 405 may adopt a linear motor or a linear steering engine or the like to output a clamping driving component 40501 of driving force along a straight line, and the clamping transmission mechanism is a link mechanism and includes a first link 40502, a second link 40503 and a third link 40504 which are sequentially hinged. Wherein the first link 40502 is fixedly coupled to the output end of the clamp driving member 40501 and the third link 40504 is coupled to a sliding adapter pair such that the third link 40504 provides a clamping force to the actuator 300. When a clamping operation is required, the output end of the clamping driving component 40501 moves linearly to drive the third connecting rod 40504 to move towards the actuator 300, so as to provide a clamping force for the actuator 300.

The process of the first transport drive assembly 407 providing motive movement to the actuator 300, the second transport drive assembly 408 providing motive movement to the actuator 300, and the clamp drive assembly 405 adjusting the actuator 300 to provide the outward transmission of the clamping force clamping the flexible instrument 100 is described in connection with fig. 4 and in connection with fig. 10-14.

Docking assembly 404 in the present utility model includes: a drive docking shaft 4041 and a sense docking shaft 4042.

Wherein, the two groups of driving docking shafting 4041 are arranged, and one group is connected with the first output shaft 4078 of the first conveying driving assembly 407; the other set is connected to a second output shaft 4088 of the second conveyor drive assembly 408. It should be noted that, the structures of the first conveying driving assembly 407 and the second conveying driving assembly 408 are identical, and in order to simplify the structure, in some embodiments, the structures of the two sets of driving docking shafts 4041 are identical, and only the structure of the driving docking shaft 4041 connected to the first conveying driving assembly 407 is described here for simplifying the description.

As shown in fig. 12 and 13, the drive docking shaft 4041 includes: first interface disk 40411, first spring 40412, spline sleeve 40413, and spline 40414.

The first docking tray 40411 is exposed to the upper cover 4012 of the driving mechanism 400 and is configured to dock with the actuator 300. The spline shaft 40413 is fixed on the upper cover plate 4012 and is located at one side of the L-shaped accommodating space, and a first end of the spline shaft 40413 extends out of the upper cover plate 4012, the first end of the spline shaft 40413 is sleeved with the first abutting disc 40411, and the first spring 40412 abuts against between the first abutting disc 40411 and the upper cover plate 4012.

The second end of the first docking plate 40411 is sleeved outside the spline 40414 and is in fit connection with the spline 40414. The first output shaft 4078 of the first transfer drive assembly 407 is fixedly coupled to the spline 40414 such that power from the first output shaft 4078 is transferred to the first docking plate 40411 via the spline sleeve 40413 via the spline 40414. The actuator 300 is coupled to the first docking plate 40411 to transfer power to the actuator 300 to drive the flexible instrument 100 for a transfer motion.

After the second output shaft 4088 of the second conveying drive assembly 408 is connected to another set of drive docking shafting, the transfer power of the second conveying drive assembly 408 is transferred to the actuator 300 to drive the flexible instrument 100 to perform a movement motion.

The two detection docking shafting 4042 in the present utility model are respectively used for detecting the transfer length in the moving process of the flexible apparatus 100.

In order to simplify the structure, the two groups of detection docking shafting 4042 in the utility model have the same structure and are arranged in one-to-one correspondence with the driving docking shafting 4041.

In the present utility model, only the structure of one set of the detecting docking shafts 4042 is described, and the structure of the other set of detecting docking shafts 4042 is described with reference to this description.

As shown in fig. 13 and 14, the detection docking shaft 4042 in the present utility model includes: the second docking plate 40421, the second spring 40422, the magnetic encoder holder 40423, the magnetic encoder 40424, the self-lubricating sleeve 40425, the shaft snap spring 40426, the guide shaft 40427, and the magnetic block 40428.

The second docking plate 40421 is exposed to the upper cover 4012 of the driving mechanism 400 and is configured to dock with the actuator 300.

The second docking plate 40421 penetrates through the upper cover plate 4012 through the self-lubricating shaft sleeve 40425, and the self-lubricating shaft sleeve 40425 can improve the rotating smoothness of the second docking plate 40421, so that the problem of clamping stagnation is prevented.

The magnetic encoder housing 40423 is mounted to the second docking plate 40421 at one end of the L-shaped receiving space, and the magnetic encoder 40424 is mounted to the magnetic encoder housing 40423. In some embodiments, the magnetic encoder 40424 is fixedly connected to the magnetic encoder seat 40423 through threads, the magnetic encoder seat 40423 is connected to the shaft of the second docking plate 40421 through a bearing and can rotate relatively, and the magnetic block 40428 is fixed in the shaft hole of the second docking plate 40421 at one end of the L-shaped accommodating space, so that the magnetic encoder 40424 and the magnetic block 40428 can rotate relatively.

The shaft clamp spring 40426 is clamped in a groove on the shaft of the second butt joint disc 40421, one end of the second spring 40422 is extruded with the lower side of the disc of the second butt joint disc 40421, and the other end of the second spring 40422 is extruded with the upper surface of the upper cover plate 4012, so that the whole detection butt joint shaft system 4042 is jacked up under the action of the second spring 40422, and the magnetic encoder seat 40423 does not rotate along with the detection butt joint shaft system 4042 under the constraint of the guide shaft 40427 and only slides up and down.

During movement of the flexible instrument 100, the actuator 300 rotates the second docking plate 40421 and the magnetic encoder 40424 can acquire a corresponding signal based on the rotation of the magnetic block 40428 and thereby determine the transfer length. When in use, different reference information can be provided for doctors, so that the doctors can make accurate judgment and corresponding operation.

It can be appreciated that the magnetic block 40428 and the magnetic encoder 40424 can be implemented by using the prior art, and thus will not be described in detail.

Other forms of acquisition devices may also be employed for the detection device formed using the magnetic block 40428 and the magnetic encoder 40424, all within the scope of protection.

Referring to fig. 4, the rfid module 4061 is configured to detect whether the actuator 300 is in place, and the rfid module 4061 includes, but is not limited to, being mounted on the upper cover 4012.

The specific structure and operation of the driving mechanism 400 are described above, and the structure of the actuator 300 is described below with reference to fig. 15 to 27.

As shown in fig. 15 to 17, 22 and 24, the actuator 300 of the present utility model includes: a housing 301, a first transport actuator 302, a second transport actuator 303, a clamping actuator 304, a detection torque transmission mechanism 305, and a cleaning mechanism 306.

Wherein the first transport actuator 302, the second transport actuator 303, the clamping actuator 304, and the detection torque transmitting mechanism 305 are all located inside the housing 301. The cleaning mechanism 306 is fixed to the outside of the housing 301 and is used to be sleeved on the outer surface of the flexible instrument 100, and the first conveying actuator 302 and the second conveying actuator 303 are arranged along the extending direction of the flexible instrument 100.

As shown in fig. 15, the housing 301 includes: a first section 3011, a second section 3012, a side-lift mechanism 3013, and a quick connector assembly 3014.

The first section 3011 and the second section 3012 are hinged and detachably and fixedly connected by a side-lift mechanism 3013. When it is desired to open the housing 301, the connection of the first portion 3011 and the second portion 3012 is released by the side-on mechanism 3013 to enable the second portion 3012 to rotate about the hinge point relative to the first portion 3011.

As shown in fig. 16, the side-on mechanism 3013 according to the present utility model includes: a card 30131 secured to an edge of the first portion 3011 and a pressing block 30132 secured to an edge of the second portion 3012.

The card 30131 can be clamped with the pressing block 30132 to realize the buckling of the shell 301; the operator presses the pressing block 30132 described above, thereby deforming the pressing block 30132 and separating the card 30131 from the pressing block 30132, and opening the housing 301 is achieved.

The quick connector assembly 3014 is mounted on the outside of the housing 301 and is capable of quick connection with the docking assembly 404 of the drive mechanism 400 to secure the drive mechanism 400 to the actuator 300.

As shown in connection with fig. 25, the construction of the quick connector assembly 3014 has been previously described and will not be described in detail herein.

Referring to fig. 18, a first transport actuator 302 according to the present utility model includes: first drive gear 3022, first driven gear 3026, first drive omni 3021, first driven omni 3023, first mount 3024, and first dock 3025.

Wherein the first driving gear 3022 and the first driven gear 3026 are in meshed connection, and the axle of the first driving gear 3022 and the axle of the first driven gear 3026 are perpendicular to the extending direction of the flexible instrument 100. The first dock 3025 is configured to connect with the first docking plate 40411 of the drive docking shaft 4041 connected with the first transport drive assembly 407 to transfer power from the first transport drive assembly 407 to the first transport actuator 302.

The axle of first driving gear 3022 is connected to first abutting part 3025 through a coupling, first bracket 3024 is mounted inside housing 301 of actuator 300, first abutting part 3025 is connected to first bracket 3024, and the axle of first driving gear 3022 is connected to first bracket 3024.

The first passive gear 3026 is coaxially connected to the first active omni wheel 3021 and rotates in synchronization.

First driving omni wheel 3021 and first driven omni wheel 3023 are distributed on both sides of flexible instrument 100, and the rotation planes of first driving omni wheel 3021 and first driven omni wheel 3023 are parallel to the extending direction of flexible instrument 100.

The first driving omnidirectional wheel 3021 rotates under the drive of the first driven gear 3026, and friction force is formed between the rim of the first driving omnidirectional wheel 3021 and the surface of the flexible instrument 100 to drive the flexible instrument 100 to realize movement; that is, bi-directional movement of the flexible instrument 100 in its direction of extension may be achieved by changing the direction of the resulting frictional force.

Flexible instrument 100 is driven to move in the direction of extension of flexible instrument 100 by first active omni wheel 3021.

During the movement of the flexible apparatus 100, the first driven omni wheel 3023 rotates synchronously, so as to ensure that the circumferential stress is uniform during the movement of the flexible apparatus 100, and prevent the flexible apparatus 100 from shifting.

It should be noted that the number of the first driven gears 3026, the first driving omni wheel 3021 and the first driven omni wheel 3023 in the present utility model includes, but is not limited to, the disclosure above.

The second transport actuator 303 includes: a second interface, a second driving gear, a second driven gear, a second driving omni wheel 3031, and a second driven omni wheel 3032.

The connection manner of the second conveying actuator 303 is the same as that of the first conveying actuator 302, and is not described herein, and the description of the first conveying actuator 302 is omitted.

As shown in fig. 19 and 20, an omni-wheel structure is disclosed, and the omni-wheel may be the first driving omni-wheel 3021 or the first driven omni-wheel 3023, or may be other omni-wheels herein.

The structure of the first active omni wheel 3021 is described herein as an example, and other omni wheels are referred to in this description.

The first active omni wheel 3021 includes first and second active hubs 30211 and 30213 fixedly disposed coaxially for coupling with respective stationary shafts for unitary rotation thereabout. The first active steering wheel hub 30211 and the second active steering wheel hub 30213 may be of a split type structure or may be of an integrally formed structure.

A plurality of auxiliary steering wheels 30212 are arranged on each of the first driving wheel hub 30211 and the second driving wheel hub 30213, and the auxiliary steering wheels 30212 on the first driving wheel hub 30211 and the auxiliary steering wheels 30212 on the second driving wheel hub 30213 are staggered in the circumferential direction; each auxiliary steering wheel 30212 can also rotate along the axial direction thereof without interfering with each other.

Specifically, the auxiliary steering wheel 30212 is drum-shaped with a gradual diameter so as to perform adaptive rotation in an actual use state. In order to obtain good transmission efficiency, the outer surfaces of the auxiliary steering wheels 30212 of the embodiment are all coated with rubber coating pieces, so that the friction coefficient between the omni-directional wheel and the surface of the flexible instrument body is improved, and the transmission efficiency is improved.

It will be appreciated that for an omni-wheel auxiliary steering wheel, at least the outer surface thereof is formed of a soft material that increases friction, or in the form of a surface texture that increases friction.

In addition, in other implementations, first active omni wheel 3021 may also employ other configurations of omni wheels. Such as, but not limited to, the mecanum omni-wheel shown in fig. 21.

As shown in fig. 22 and 23, the clamp actuator 304 of the present utility model includes:

the driving device comprises a sliding block 3041, a sliding rail 3042, an outer support 3043, a driven wheel support 3044, a tension spring 3045 and an elastic piece 3046.

The slider 3041 and the external support 3043 are fixed to the first portion 3011, the slide rail 3042 is fixed to the external support 3043, and the slider 3041 is movable along the slide rail 3042. The driven wheel support 3044 is movably mounted on the outer support 3043, and the driven wheel support 3044 has a mounting hole with an axis direction perpendicular to the extending direction of the flexible instrument 100. The driven wheel support 3044 is two, and the first driven omni wheel 3023 and the second driven omni wheel 3032 are respectively mounted on one driven wheel support 3044.

The outer support 3043 has a waist-shaped hole arranged along the extending direction of the slide rail 3042, and the driven wheel support 3044 is movably installed in the waist-shaped hole.

The extending direction of the slide rail 3042 is not particularly limited herein, as long as the distances of the first driven omni wheel 3023 and the second driven omni wheel 3032, respectively, with respect to the flexible instrument 100 can be adjusted.

The elastic member 3046 connects the outer support 3043 and the driven wheel support 3044, which realizes elastic connection of the driven wheel support 3044 and the outer support 3043, and prevents the first driven omni wheel 3023 and the second driven omni wheel 3032 from being locked with the flexible instrument 100, respectively.

A tension spring 3045 that stretches and contracts along the extending direction of the slide rail 3042 is connected between the external support 3043 and the first portion 3011, so that after the external support 3043 moves relative to the first portion 3011, the external support 3043 can automatically reset under the restoring force of the tension spring 3045.

In some embodiments, the number of the tension springs 3045 is four, and are connected to the four corners of the outer frame 3043.

In the present utility model, the outer support 3043 abuts against the pressing block 4057 of the clamping driving assembly 405, and the outer support 3043 is driven to move relative to the first portion 3011 by the clamping driving assembly 405.

As shown in connection with fig. 24, the detection torque transmitting mechanism 305 in the present utility model includes: a torque spring tube 3051, a torque output shaft 3052, and a third interface 3053.

One end of the torque spring tube 3051 passes through the mounting hole of the driven wheel support 3044 and is fixedly connected with the axle of the second driven omni wheel 3032, the other end of the torque spring tube is fixedly connected with the torque output shaft 3052, the torque output shaft 3052 is fixedly connected with the third butting piece 3053, and the third butting piece 3053 is fixedly connected with the second butting disc 40421 of the detection butting shafting 4042.

In the rotation process of the second driven omni wheel 3032, the torque spring tube 3051 is driven to rotate, so that the rotation of the second driven omni wheel 3032 is transmitted to the detection docking shafting 4042, and the transfer length of the flexible instrument 100 is detected by detecting the rotation angle of the second driven omni wheel 3032.

It should be noted that, the two sets of detection torque transmission mechanisms 305 are connected to the other driven wheel support 3044, and are fixedly connected to the first driven omni wheel 3023 through the mounting hole, and the docking member of the set is fixedly connected to the second docking plate 40421 of the other detection docking shaft 4042, so as to detect the transfer length of the flexible apparatus 100 by detecting the rotation angle of the first driven omni wheel 3023.

The specific calculation method for detecting the transfer length of the detection torque transmitting mechanism 305 is not limited to this, and may be performed by referring to a conventionally known method. The transfer length is herein defined as the distance of movement of the flexible instrument 100 during movement.

Referring to FIG. 27, a cleaning mechanism 306 of the present utility model includes a cleaning support 3061 and two cleaning sponges 3062 disposed on the cleaning support 3061. The cleaning mechanism 306 is mounted outside of the housing for the flexible instrument 100.

Referring to fig. 15, a cleaning support 3061 is removably positioned on the first portion 3011, and the flexible instrument 100 is passed between two cleaning sponges 3062 during delivery of the flexible instrument 100, with surface contact to effect cleaning. In particular implementations, the cleaning support 3061 can be formed in two parts that snap together to form a receiving cavity into which the cleaning sponge 3062 can be installed and the cleaning sponge 3062 can be replaced as desired. In other implementations, the cleaning sponge 3062 may also be configured in one, or other, configuration.

Referring to fig. 28, a lubrication mechanism 200 in the present utility model includes a lubrication driving mechanism and a lubrication executing mechanism.

Wherein the lubrication actuators are wrapped around the outer surface of the flexible instrument 100.

The lubrication driving mechanism includes: a driving cylinder 202, a cylinder holder 201, a lubricating oil pipe 203, and a connecting hose 204. The lubrication tube 203 is a consumable material, and can be replaced at any time according to the usage amount in the preoperative operation; the driving cylinder 202 is fixed to the mounting groove 402 of the driving mechanism 400 through the cylinder bracket 201, the driving cylinder 202 directly pushes the piston of the lubrication oil pipe 203, extrudes the lubrication oil into the connection hose 204, and the lubrication oil enters the lubrication actuator through the lubrication driving mechanism, thereby achieving surface lubrication of the flexible device 100.

It should be noted that, the rotation of the flexible apparatus 100 may be achieved by other components, such as an operating handle, other than the flexible apparatus conveying device, that is, the rotating wheel for driving the flexible apparatus 100 to rotate is omitted in the flexible apparatus conveying device, so that the resistance problem caused by the rotating wheel is eliminated, the resistance caused by the rotating wheel during conveying the flexible apparatus 100 is avoided, the resistance caused by the conveying wheel is overcome during the rotation of the flexible apparatus 100, and the problem that the effect is poor during conveying and rotation is solved.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A flexible instrument delivery device, comprising:

a housing through which a flexible instrument passes;

and the conveying execution mechanisms are positioned in the shell, are used for clamping the flexible instrument and conveying the flexible instrument along the extending direction of the flexible instrument, and are at least two groups of conveying execution mechanisms and are arranged along the extending direction of the flexible instrument.

2. The flexible instrument delivery device of claim 1, wherein the delivery actuators are in two groups and are a first delivery actuator and a second delivery actuator, respectively.

3. The flexible instrument delivery device of claim 2, wherein the first delivery actuator comprises:

the first driving gear and the first driven gear are meshed for transmission;

the first driven gear is coaxially connected with the first driving omnidirectional wheel;

the first driving omni-wheel and the first driven omni-wheel are distributed on two sides of the flexible instrument and clamp the flexible instrument, and the first driving omni-wheel drives the flexible instrument to move along the extending direction of the flexible instrument;

the first butt joint piece is used for transmitting power to the first driving gear.

4. The flexible instrument delivery device of claim 3, wherein the second delivery actuator comprises:

the second driving gear and the second driven gear are meshed for transmission;

the second driven gear is coaxially connected with the second driving omnidirectional wheel;

the second driving omni-wheel and the second driven omni-wheel are distributed on two sides of the flexible instrument and clamp the flexible instrument, and the second driving omni-wheel drives the flexible instrument to move along the extending direction of the flexible instrument;

and a second docking member for transmitting power to the second drive gear.

5. The flexible instrument delivery device of claim 4, wherein the second active omni-wheel and the first active omni-wheel are on the same side of the flexible instrument.

6. The flexible instrument delivery device of claim 4, further comprising:

and the conveying adjusting mechanism is used for adjusting the clamping force of the conveying executing mechanism on the flexible instrument.

7. The flexible instrument delivery device of claim 6, wherein the delivery adjustment mechanism comprises:

the conveying clamping executing mechanism is rotatably arranged on the conveying clamping executing mechanism, and the conveying clamping executing mechanism can drive the first driven omnidirectional wheel and the second driven omnidirectional wheel to move;

and the conveying clamping driving mechanism is used for propping against the conveying clamping executing mechanism and providing power for the conveying clamping executing mechanism to drive the first driven omnidirectional wheel and the second driven omnidirectional wheel to move.

8. The flexible instrument delivery device of any one of claims 1 to 7, further comprising:

and the conveying driving mechanisms are connected with the conveying executing mechanisms in a one-to-one correspondence manner and respectively provide power for the conveying executing mechanisms to drive the flexible instrument to move.

9. The flexible instrument delivery device of any one of claims 3 to 7, further comprising:

the detection torque transmission mechanism is used for being fixedly connected with the wheel shaft of the first driven omnidirectional wheel;

and detecting a butt joint shafting, wherein the butt joint shafting is connected with the detection torque transmission mechanism and detects the rotation angle of the first driven omnidirectional wheel.

10. The flexible instrument delivery device of any one of claims 1 to 7, further comprising:

a lubrication mechanism for lubricating the flexible instrument;

and the cleaning mechanism is used for cleaning the flexible instrument.