CN218652006U - Locking mechanism and medical equipment - Google Patents

Abstract

The utility model provides a locking mechanism and medical equipment, which comprises a main body, a locking mechanism and a locking mechanism, wherein the main body comprises a mounting groove; a locking member; and the butt piece, butt piece slidable install in the mounting groove, the butt piece is close to relatively the one end of mounting groove notch is equipped with butt portion, butt portion is from being close to relatively the one end orientation of mounting groove notch is kept away from the direction of mounting groove notch contracts gradually, butt piece orientation and keeping away from the motion of mounting groove notch is realized the locking and the unblock of retaining member, through setting up butt piece and retaining member to through the cooperation of butt piece and retaining member, realize stable locking and unblock.

Description

Locking mechanism and medical equipment

Technical Field

The application relates to the field of medical instruments, in particular to a locking mechanism and medical equipment.

Background

The laparoscopic minimally invasive surgery is more and more popular among doctors and patients due to the advantages of small wound, light pain, quick recovery, less bleeding, short hospitalization time and the like. Meanwhile, with the progress of scientific technology, a trend of performing laparoscopic minimally invasive surgery by a robot-assisted surgeon has been developed. The doctor operates the robot, and then the corresponding control mechanism, the sensor and other components in the robot perform response feedback, so that the hand action of the doctor is reproduced by the instrument end of the robot, and the treatment such as cutting, suturing and the like of the pathological tissue is achieved. The locking mode of the existing laparoscope is that a clamping jaw is driven by a cam mechanism to rotate to clamp a sleeve, but the cam mechanism is not stable enough, the rotation can happen, and the locking can be released in the working process.

Disclosure of Invention

Based on this, the utility model provides a modified locking mechanism and medical equipment, this locking mechanism locking is stable, and easy operation.

The utility model provides a locking mechanism, which comprises a main body and a locking mechanism, wherein the main body comprises a mounting groove; a locking member; and the butt joint piece, the butt joint piece slidable install in the mounting groove, the butt joint piece is close to relatively the one end of mounting groove notch is equipped with butt joint portion, butt joint portion is from being close to relatively the one end orientation of mounting groove notch is kept away from the direction of mounting groove notch is shrunk gradually, the butt joint piece orientation is kept away from the motion of mounting groove notch is realized the locking and the unblock of retaining member.

It can be understood that stable locking and unlocking can be realized by arranging the abutting part and the locking part and matching the abutting part and the locking part.

Further, locking mechanism includes base and elastic component, base fixed mounting in the mounting groove is kept away from relatively the inner wall of mounting groove notch, the elastic component set up in the base with between the butt piece, elastic component one end connect in the base, the other end connect in the butt piece, just the butt piece is in the orientation has all the time under the elastic action of elastic component the trend of mounting groove notch motion, the butt piece butt all the time the retaining member makes the retaining member is in locking state.

It can be understood that, through setting up base and elastic component for the butt has the direction motion of the notch that is close to the mounting groove of orientation all the time under the effect of elastic component, makes butt retaining member, thereby makes the retaining member remain the locking state all the time.

Further, locking mechanism still includes helical pitch pole and slider, the helical pitch pole reaches the slider is in the base with between the butt, the one end fixed mounting of helical pitch pole in the base, the slider cover is located the helical pitch pole, and can follow the helical pitch pole slides, the helical pitch pole is located to the elastic component cover, just the one end butt of elastic component in the base, other end butt in the slider, the slider is in butt all the time under the effect of elastic component the butt makes the butt has the orientation all the time the trend of mounting groove notch motion.

It can be understood that the elastic piece pushes the abutting part along the laying direction of the lead rods by arranging the lead rods and the sliding piece and sleeving the sliding piece on the lead rods, so that the elastic piece is prevented from being bent or twisted in the working process to cause the sliding limitation of the abutting part.

Furthermore, the locking mechanism further comprises a locking mounting seat, the locking mounting seat is fixed on the inner wall of the mounting groove, a moving groove is formed in the locking mounting seat along the radial direction, and the locking piece is mounted in the moving groove and can move in the moving groove along the radial direction.

It can be understood that, by providing the locking mounting seat and forming the moving groove in the locking mounting seat, the locking member can slide along the preset moving groove.

Further, the locking mounting base is relatively close to one side of the axis of the mounting groove is provided with a limiting part, and the limiting part can limit the moving range of the locking part.

It can be understood that the lock mounting seat is provided with a limiting part to prevent the lock piece from falling from the moving groove.

Further, locking mechanism still includes handle and antifriction bearing, antifriction bearing rotate install in the butt piece, the one end of handle rotate install in the mounting groove inner wall, just the handle butt antifriction bearing, the handle rotates and drives the butt piece orientation is kept away from the direction of mounting groove notch removes, so that the locking piece realizes the unblock.

It can be understood that the handle and the rolling bearing are arranged, so that the locking mechanism can be unlocked by pulling the handle.

The utility model also provides a medical equipment, including arm and sleeve pipe, the arm includes as above-mentioned arbitrary one locking mechanism, the protruding locking portion that is equipped with in sheathed tube one side, locking portion dock in the mounting groove of arm, just locking mechanism can lock locking portion.

Further, the medical device further comprises an adapter fixedly mounted in the notch of the mounting groove, and the adapter is adapted to the locking portion.

It will be appreciated that the adapter is provided through the notch of the mounting groove to separate the inner space of the mounting groove from the outer space of the mounting groove.

Furthermore, the locking part is provided with a locking groove corresponding to the clamping jaw, the adapting piece is provided with a locking recess matched with the locking groove, and the clamping jaw can be buckled into the locking recess to lock the locking part.

It will be appreciated that the adaptor member engages the locking portion of the sleeve by being arranged to fit into the locking recess of the locking slot, the clamping jaws being able to lock the locking portion of the sleeve when snapped into the locking recess.

Further, the adapter periphery has been seted up the fixed orifices, the protruding fixed column that is equipped with of periphery wall of arm, the fixed column butt joint in the fixed orifices, so that the adapter joint in the arm.

It can be understood that the adaptor is fixedly mounted on the robot arm by forming the fixing hole in the adaptor and providing the fixing post on the outer periphery of the robot arm.

Furthermore, the medical equipment further comprises a power assembly and a surgical instrument, wherein the surgical instrument is fixedly arranged on the power assembly, the surgical instrument can penetrate through the sleeve, and the power assembly is arranged on the mechanical arm.

It can be understood that the power assembly and the surgical instrument can be matched with the sleeve for use, and a more convenient surgical operation environment can be provided for the operation.

Furthermore, the mechanical arm is provided with a sliding track along the length direction, and the power assembly is slidably mounted on the sliding track.

It will be appreciated that the power assembly is slidably mounted to the slide track to enable adjustment of the depth of the surgical instrument extending into the cannula.

The utility model provides a modified locking mechanism and medical equipment compares with prior art, locking mechanism can provide more stable clamping function for the centre gripping sleeve pipe that the arm can be stable in the course of the work, and can be convenient after work take off the sleeve pipe.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic mechanism diagram of a medical device provided by the present invention;

fig. 2 is a schematic structural view of the medical device provided by the present invention at another viewing angle;

fig. 3 is a cross-sectional view of a locking mechanism provided by the present invention;

fig. 4 is a cross-sectional view of the locking mechanism of the present invention along another viewing angle.

Reference numerals: 100. a locking mechanism; 10. an abutting member; 11. an abutting portion; 20. a locking member; 30. a base; 31. a through hole; 32. mounting holes; 40. an elastic member; 50. a lead rod; 60. a slider; 70. locking the mounting seat; 71. a limiting part; 72. a moving groove; 80. a handle; 90. a rolling bearing; 200. a medical device; 210. a sleeve; 2101. a locking portion; 21011. a locking groove; 220. a mechanical arm; 2201. mounting grooves; 2202. fixing a column; 2203. a sliding track; 2204. a rotating groove; 230. a power assembly; 240. a surgical instrument; 250. an adapter; 2501. a fixed part; 25011. a fixing hole; 25012. a butt joint groove; 2502. an adapting section; 25021. and locking the recess.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used 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 defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The laparoscopic minimally invasive surgery is more and more popular among doctors and patients due to the advantages of small wound, light pain, quick recovery, less bleeding, short hospitalization time and the like. Meanwhile, with the progress of scientific technology, it has become a trend to assist a machine to assist a surgeon in performing laparoscopic minimally invasive surgery. The doctor operates the auxiliary machine, and then the corresponding control mechanism, the sensor and other components in the auxiliary machine perform response feedback, so that the hand action of the doctor is reproduced by the aid of the surgical instrument end, and the treatment such as cutting, sewing and the like on the pathological tissue is achieved. The locking mode of the existing laparoscope is that a clamping jaw is driven by a cam mechanism to rotate to clamp a sleeve, but the cam mechanism is not stable enough and can rotate, and the phenomenon of releasing locking can occur in the working process, so that hidden troubles are brought to the operation.

In order to solve the technical problem, the utility model provides a locking mechanism, this locking mechanism can provide stable locking environment, realizes the locking of sheathed tube stability to avoid the phenomenon that becomes flexible to appear in the operation in-process sleeve pipe.

It should be noted that the locking mechanism provided by the present invention is not limited to be used in the field of medical devices, but in other embodiments, the locking mechanism can also be used in the field of agricultural production or engineering equipment, for example, when the spraying area needs to be enlarged in the large-scale pesticide spraying operation, another spraying unit is locked by the locking mechanism, so as to increase the spraying area; as long as the locking mechanism can achieve the locking function.

Referring to fig. 1 to 4, the present invention provides a locking mechanism 100, the locking mechanism 100 is installed in an installation groove 2201 of a mechanical arm 220 for locking a sleeve 210, the locking mechanism 100 includes a locking member 20 and an abutting member 10, the locking member 20 abuts against the abutting member 10, the abutting member 10 is used for driving the locking member 20 to move, and the locking member 20 is used for locking.

Specifically, the abutting member 10 is slidably mounted in the mounting groove 2201 of the robot arm 220, the abutting member 10 is provided with an abutting portion 11 at one end relatively close to the notch of the mounting groove 2201, the abutting portion 11 is substantially horn-shaped, the abutting portion 11 gradually shrinks from one end relatively close to the notch of the mounting groove 2201 of the abutting member 10 to one end far away from the notch of the mounting groove 2201, and the locking member 20 can abut against the abutting portion 11; wherein when the butt piece 10 moves towards the notch of mounting groove 2201, butt portion 11 can butt retaining member 20 all the time, make retaining member 20 can move all the time towards the axis direction of mounting groove 2201, thereby realize locking, and when the butt piece 10 moves away from the notch of mounting groove 2201, butt portion 11 can keep away from retaining member 20 gradually, retaining member 20 breaks away from gradually with butt portion 11, make retaining member 20 along the activity space grow of the radial direction of mounting groove 2201, thereby realize the unblock.

With the arrangement, stable locking and unlocking can be realized by arranging the abutting part 10 and the locking part 20 and matching the abutting part 10 and the locking part 20.

It is understood that the present invention does not limit the shape of the abutting member 10 to be cylindrical, and in other embodiments, the abutting member 10 may be further configured to be trumpet-shaped as long as the abutting member 10 can abut against the locking member 20 in the process of sliding in the mounting groove 2201, so that the locking member 20 can move toward the central axis of the mounting groove 2201.

Further, the locking mechanism 100 further includes a base 30 and an elastic member 40, the base 30 is fixedly installed on a sidewall of the installation groove 2201 relatively far away from the notch of the installation groove 2201, the base 30 is used for installing the locking mechanism 100, and the elastic member 40 is installed between the base 30 and the abutting member 10 and is used for pushing the abutting member 10, so that the abutting member 10 has a tendency to move towards the notch of the installation groove 2201.

Specifically, the base 30 is substantially rectangular, one end of the base 30 is fixedly mounted on the inner wall of the mounting groove 2201, so that the base 30 is perpendicular to the inner wall of the mounting groove 2201, a through hole 31 is formed in the middle of the base 30, and the abutting piece 10 can partially penetrate through the through hole 31; the elastic member 40 is selected as a spring, the elastic member 40 is located between the base 30 and the abutting member 10, one end of the elastic member 40 is connected to the base 30, the other end of the elastic member is connected to the abutting member 10, and the abutting member 10 always has a trend of moving towards the notch of the mounting groove 2201 under the elastic action of the elastic member 40, so that the locking member 20 always keeps a locking state.

So set up, through setting up base 30 and elastic component 40 for abutment 10 has the direction motion of the notch towards being close to mounting groove 2201 all the time under the effect of elastic component 40, makes abutment 10 butt retaining member 20, thereby makes retaining member 20 remain the locking state all the time.

It is understood that the present invention is not limited to the shape of the base 30, and in other embodiments, the base 30 may be configured as a disc or a triangular prism as long as the lead rod 50 can slide in the sliding hole of the base 30.

In addition, in order to make elastic component 40 and abutment 10 slide according to predetermined direction in mounting groove 2201, the utility model provides a locking mechanism 100 still includes lead pole 50 and slider 60, and lead pole 50 and slider 60 are installed between base 30 and abutment 10, and slider 60 cover is located lead pole 50, and lead pole 50 is used for providing predetermined slip direction for elastic component 40 and abutment 10, and slider 60 is used for abutment 10.

Specifically, the lead rod 50 is a cylindrical rod, the base 30 is provided with a mounting hole 32 for mounting the lead rod 50, one end of the lead rod 50 is fixedly mounted in the mounting hole 32 and is perpendicular to the base 30, wherein the sliding member 60 is substantially cylindrical and is sleeved on the lead rod 50, the elastic member 40 is also sleeved on the lead rod 50, one end of the elastic member 40 abuts against the base 30, the other end of the elastic member 40 abuts against the sliding member 60, the sliding member 60 is always abutted against the abutting member 10 under the elastic action of the elastic member 40, and the sliding member 60 is pushed by the elastic member 40, so that the sliding member 60 and the abutting member 10 always have a tendency of moving towards the notch of the mounting groove 2201.

By such an arrangement, the lead rod 50 and the sliding element 60 are arranged, and the sliding element 60 is slidably sleeved on the lead rod 50, so that a preset sliding direction is provided for the elastic element 40 and the abutting element 10, and the elastic element 40 is prevented from being bent or twisted in the working process, so that the abutting element 10 is prevented from being limited in sliding.

Further, in the present embodiment, the locking mechanism 100 further includes a locking mounting seat 70, and the locking mounting seat 70 is fixedly mounted on the inner wall of the mounting groove 2201 for mounting the locking member 20.

Specifically, the locking mounting seat 70 is adapted to the notch of the mounting groove 2201 and is fixedly mounted on the inner wall of the notch of the mounting groove 2201, the locking mounting seat 70 is provided with moving grooves 72 distributed along the radial direction of the mounting groove 2201, and the locking member 20 is mounted in the moving grooves 72 and can slide in the moving grooves 72, so that locking or unlocking can be performed.

With such an arrangement, by providing the locking mounting seat 70 and providing the mounting groove 2201 for the movement of the locking member 20 in the locking mounting seat 70, the locking member 20 can move along the predetermined moving groove 72.

In addition, in order to improve the locking ability, the number of the locker 20 is provided in plurality, and in the present embodiment, the number of the locker 20 is provided in two, which are respectively provided in the moving grooves 72 of opposite sides of the mounting groove 2201, and the two lockers 20 can be moved toward each other toward the central axis of the mounting groove 2201 by the abutment members 10, thereby improving the locking ability.

It should be noted that, in the present embodiment, the locking member 20 is configured as a locking ball to facilitate the movement of the locking member 20 in the moving slot 72, and in other embodiments, the locking member 20 may also be configured as a cylinder or an ellipsoid, as long as the locking member 20 can move along the moving slot 72 under the action of the abutting member 10 to achieve the locking.

In order to prevent the locking member 20 from falling from the moving groove 72, the locking mounting seat 70 is further provided with a stopper portion 71, and the stopper portion 71 is disposed at a side of the locking mounting seat 70 relatively close to the central axis of the mounting groove 2201 to prevent the locking member 20 from falling from the moving groove 72 when there is no locking task.

The utility model provides a locking mechanism 100 still needs to unblock locking mechanism 100 after realizing locking, and locking mechanism 100 still includes handle 80 and antifriction bearing 90, and handle 80 is used for driving locking mechanism 100 unblock, and antifriction bearing 90 is used for butt handle 80, drives butt 10 and slides in mounting groove 2201.

Specifically, a rotating groove 2204 penetrating through the mechanical arm 220 is formed in the side wall of the mounting groove 2201 of the mechanical arm 220, the handle 80 is inserted into the mounting groove 2201 through the rotating groove 2204, and one end of the handle 80 is rotatably mounted on the inner wall of the mounting groove 2201, so that the handle 80 can swing relative to the inner wall of the mounting groove 2201; the rolling bearing 90 is rotatably mounted on the side wall of the abutting part 10 and can rotate relative to the abutting part 10, the middle part of the handle 80 can abut against the rolling bearing 90 and push the rolling bearing 90 to swing, so that the abutting part 10 connected with the rolling bearing 90 is driven to slide along the mounting groove 2201; that is, by pressing the handle 80, the handle 80 swings relative to the mechanical arm 220, abuts against the rolling bearing 90, and drives the rolling bearing 90 to swing, that is, drives the abutting piece 10 to swing, so that the abutting piece 10 moves towards the direction away from the notch of the mounting groove 2201, so that the locking piece 20 gradually disengages from the abutting piece 10, and thus the unlocking is realized.

So set up, through mutually supporting of handle 80 and antifriction bearing 90 for just can make butt 10 remove towards the direction of keeping away from mounting groove 2201 notch through pulling handle 80, realize the unblock.

The utility model also provides a medical device 200, the medical device 200 comprises a mechanical arm 220 and a sleeve 210, the mechanical arm 220 comprises the locking mechanism 100 as described in any one of the above, the sleeve 210 is butted at one end of the mechanical arm 220 for providing a window for an operation; the robotic arm 220 is used to carry the cannula 210.

Specifically, the locking mechanism 100 is arranged at the end of the mechanical arm 220, one side of the sleeve 210 is convexly provided with a locking part 2101 perpendicular to the sleeve 210, the locking part 2101 is roughly in a circular truncated cone shape, and the outer circumferential side of the locking part 2101 is sunken towards the central axis of the locking part 2101 to form a locking groove 21011; the number of the locking grooves 21011 is two, and the two locking grooves 21011 are symmetrically arranged about a central axis of the locking part 2101, the locking part 2101 is butted against the installation groove 2201, and the locking groove 2101 is clamped by the locking mechanism 100 to lock the locking part 2101, so that the sleeve 210 and the mechanical arm 220 are relatively fixed.

With such an arrangement, the locking mechanism 100 is arranged on the mechanical arm 220, and the locking mechanism 100 is matched with the locking part 2101 of the sleeve 210, so that the mechanical transmission structure is relatively isolated from the medical environment, and the mechanical transmission structure is prevented from polluting the medical environment.

It should be understood that the present invention is not limited to the shape of the mechanical arm 220, and in other embodiments, the mechanical arm 220 may be configured in other shapes such as a cylinder shape, as long as the mechanical arm 220 can be fixedly installed with the sleeve 210.

In addition, because the locking device's that this application provided use scene often is the medical operation, for the environmental requirement of further guarantee operation scene, the utility model also provides an adapter 250, adapter 250 installs in arm 220 for separate arm 220's mounting groove 2201 inner space and exterior space.

Specifically, the adaptor 250 is sleeved on the notch of the mounting groove 2201 to isolate the internal space of the mounting groove 2201 from the external space, the adaptor 250 includes a fixing portion 2501 and an adapting portion 2502, the adapting portion 2502 is substantially in a circular truncated cone shape, a cavity of the adapting locking portion 2101 is formed inside the adapting portion 2502, the adapting portion 2502 can be attached to the outer wall of the locking portion 2101, the adapting portion 2502 is provided with a locking recess 25021 attached to the mounting groove 2201 corresponding to the mounting groove 2201, and the locking member 25020 of the locking mechanism 100 can lock the locking portion 2101 by being buckled into the locking recess 25021. The fixing portion 2501 is annularly arranged on the outer periphery of the adapting portion 2502, the fixing portion 2501 is provided with a butting groove 25012, and the side wall of the mounting groove 2201 can be clamped in the butting groove 25012, so that the adapting piece 250 is pre-fixed in the notch of the mounting groove 2201; in addition, the outer side of the abutting joint slot 25012 relatively far away from the adapting portion 2502 is provided with a fixing hole 25011 penetrating through the side edge, the outer wall of the mechanical arm 220 is provided with a fixing column 2202 in a protruding manner along the radial direction, and the fixing column 2202 can be clamped to the fixing hole 25011 of the fixing portion 2501, so that the adapter 250 is fixedly mounted in the notch of the mounting slot 2201.

So set up, set up adapter 250 through the notch at mounting groove 2201 to the mechanical environment of isolated mounting groove 2201 inside, medical environment when can be better the guarantee operation.

It should be noted that, in the present embodiment, the adaptor 250 is a flexible material, such as rubber, and can be deformed appropriately, and when the adaptor 250 is installed, the adaptor 250 can be fixedly installed in the notch of the installation groove 2201 by deforming appropriately the adaptor 250.

The medical apparatus 200 further comprises a power assembly 230 and a surgical instrument 240, wherein the surgical instrument 240 is mounted on the power assembly 230, the power assembly 230 is mounted on the mechanical arm 220, and the power assembly 230 is used for driving the surgical instrument 240.

Specifically, the mechanical arm 220 is provided with a sliding track 2203 along the length direction, and the power assembly 230 is slidably mounted on the sliding track 2203 and can slide along the sliding track 2203; the sleeve 210 is fixedly mounted at one end of the mechanical arm 220 through the locking mechanism 100, and the power assembly 230 can drive the surgical instrument 240 to move through the sleeve 210 and along the puncture direction of the sleeve 210, so that the surgical operation can be performed in the body of the patient, convenience is provided for the surgical operation, and meanwhile, a large wound can be prevented from being formed on the body surface of the patient.

So set up, through setting up surgical instruments 240 and power component 230 for can provide more convenient helping hand for the operation process, improve the success rate of operation.

To facilitate understanding of the movement of the locking mechanism 100, the following is a description of the locking and unlocking process of the locking mechanism 100:

an unlocking process: the handle 80 is pressed, so that the handle 80 can swing towards the direction of the notch far away from the mounting groove 2201, and the handle 80 is abutted against the rolling bearing 90 and drives the rolling bearing 90 and the abutting piece 10 connected with the rolling bearing 90 to swing towards the direction of the notch far away from the mounting groove 2201, so that the abutting piece 10 is gradually separated from the locking piece 20, the moving space of the locking piece 20 is enlarged, the locking part 2101 can be loosened, and unlocking is realized;

in the locking process, the sliding member 60 has a tendency of moving toward the direction close to the notch of the mounting groove 2201 under the elastic action of the elastic member 40 sleeved on the lead rod 50, and after the handle 80 is released, the sliding member 60 moves toward the direction close to the notch of the mounting groove 2201 under the action of the elastic member 40 and simultaneously pushes the abutting member 10 to move toward the direction close to the notch of the mounting groove 2201, so that the abutting member 10 is always abutted against the locking member 20, and the locking member 20 is kept in the locking state.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. A locking mechanism, comprising:

a main body including a mounting groove (2201);

a retaining member (20); and the number of the first and second groups,

the abutting part (10) is slidably installed in the installation groove (2201), one end, close to the notch of the installation groove (2201), of the abutting part (10) is provided with an abutting part (11), the abutting part (11) gradually shrinks from the direction, close to the notch of the installation groove (2201), towards the direction far away from the notch of the installation groove (2201), and the abutting part (10) moves towards and far away from the notch of the installation groove (2201) to lock and unlock the locking part (20).

2. The locking mechanism according to claim 1, wherein the locking mechanism comprises a base (30) and an elastic member (40), the base (30) is fixedly installed on the mounting groove (2201) and relatively far away from the inner wall of the notch of the mounting groove (2201), the elastic member (40) is disposed between the base (30) and the abutting member (10), one end of the elastic member (40) is connected to the base (30), the other end of the elastic member is connected to the abutting member (10), and the abutting member (10) abuts against the locking member (20) under the elastic action of the elastic member (40), so that the locking member (20) is in the locking state.

3. The locking mechanism according to claim 2, further comprising a lead rod (50) and a sliding member (60), wherein the lead rod (50) and the sliding member (60) are disposed between the base (30) and the abutting member (10), one end of the lead rod (50) is fixedly mounted on the base (30), the sliding member (60) is sleeved on the lead rod (50) and can slide along the lead rod (50), the elastic member (40) is sleeved on the lead rod (50), one end of the elastic member (40) abuts against the base (30), and the other end of the elastic member is connected to the abutting member (10) through the sliding member (60).

4. The locking mechanism according to claim 1, further comprising a locking mounting seat (70), wherein the locking mounting seat (70) is fixed on an inner wall of the mounting groove (2201), the locking mounting seat (70) is provided with a moving groove (72) along a radial direction, and the locking member (20) is mounted in the moving groove (72) and can move along the radial direction in the moving groove (72).

5. The locking mechanism according to claim 4, wherein a limiting portion (71) is provided on one side of the locking mounting seat (70) relatively close to the central axis of the mounting groove (2201), and the limiting portion (71) can limit the moving range of the locking member (20).

6. The locking mechanism of claim 1, further comprising a handle (80) and a rolling bearing (90), wherein the rolling bearing (90) is rotatably mounted on the abutting part (10), one end of the handle (80) is rotatably mounted on the inner wall of the mounting groove (2201), the handle (80) abuts against the rolling bearing (90), and the handle (80) is rotated to drive the abutting part (10) to move towards a direction away from the notch of the mounting groove (2201) so as to unlock the locking member (20).

7. A medical apparatus, comprising a mechanical arm (220) and a sleeve (210), wherein the mechanical arm (220) comprises a locking mechanism as claimed in any one of claims 1 to 6, a locking part (2101) is convexly arranged on one side of the sleeve (210), the locking part (2101) is butted with a mounting groove (2201) of the mechanical arm (220), and the locking mechanism can lock the locking part (2101).

8. The medical apparatus according to claim 7, further comprising an adaptor (250), wherein the adaptor (250) is mounted to the notch of the mounting groove (2201) to close the notch of the mounting groove (2201), the locking part (2101) is opened with a locking groove (21011), the adaptor (250) is fitted to the locking part (2101), and a locking recess (25021) is provided corresponding to the locking groove (21011), and the locker (20) can lock the locking part (2101) by being snapped into the locking recess (25021).

9. The medical device according to claim 7, further comprising a power assembly (230) and a surgical instrument (240), wherein the surgical instrument (240) is fixedly mounted to the power assembly (230), wherein the surgical instrument (240) is capable of being inserted through the cannula (210), and wherein the power assembly (230) is mounted to the robotic arm (220).

10. The medical device of claim 9, wherein the robotic arm (220) is provided with a sliding track (2203) along a length thereof, and the power assembly (230) is slidably mounted to the sliding track (2203).

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