CN219331915U

CN219331915U - Structure of medical mechanical arm

Info

Publication number: CN219331915U
Application number: CN202222813710.9U
Authority: CN
Inventors: 卢革委; 卢如栩
Original assignee: Lishui Jinbeiju Medical Equipment Co ltd
Current assignee: Lishui Jinbeiju Medical Equipment Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-07-14
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field related to medical instruments, in particular to a structure of a medical mechanical arm, wherein a joint ball chain is arranged on a base, one end of the joint ball chain is connected with a clamp, the other end of the joint ball chain is connected with the base, a steel wire penetrates through the joint ball chain, a locking mechanism for limiting the steel wire is arranged on the base, a sliding plate is connected onto the locking mechanism in a sliding manner, a movable shaft is fixedly connected onto the sliding plate, the movable shaft is used for adjusting the tensioning degree of the steel wire in an initial state, and the movable shaft is abutted against the steel wire; the steel wire is arranged in the joint ball chain, penetrates through the joint ball chain, the steel wire is connected with the clamp and the base, and the locking mechanism on the base controls the tensioning and the loosening of the steel wire, so that the joint ball chain is changed between fixed and adjustable, and the movable range of the steel wire is changed and limited through the movable shaft on the sliding plate, so that the requirement of a user is better met.

Description

Structure of medical mechanical arm

Technical Field

The utility model relates to the technical field related to medical instruments, in particular to a structure of a medical mechanical arm.

Background

In medical work, doctors use many medical instruments to perform the treatment work. In the working process of certain operations, even a certain medical instrument needs to be kept to work fixedly for a long time, so that the normal operation of the operations is ensured. Generally, in order to ensure the lasting use, a single doctor or nurse holds the device, but the problem of acid hand and inattention easily occurs during the operation for a long time, which affects the work. The degree of freedom of the medical auxiliary mechanical arm is higher in the market at present, a user can manually control the shape of the mechanical arm, the mechanical arm can change the state through the tightness degree of an internal rope, and the state of the mechanical arm is changed, but the existing mechanical arm can only realize locking and unlocking, the tightness degree adjustment is more troublesome, and medical staff cannot well process.

Disclosure of Invention

In order to solve the technical problems mentioned in the background art, the utility model aims to provide a structure of a medical mechanical arm.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a structure of medical arm, including base and anchor clamps, be equipped with the joint ball chain on the base, the one end of joint ball chain with anchor clamps are connected, the other end of joint ball chain with pedestal connection, pass there is the steel wire in the joint ball chain, be equipped with on the base and be used for the restriction locking mechanical system of steel wire, the one end of steel wire with anchor clamps are connected, the other end of steel wire with locking mechanical system connects, sliding connection has the slide on the locking mechanical system, fixedly connected with loose axle on the slide, the loose axle is used for adjusting the tensioning degree under the steel wire initial state, the loose axle with the steel wire butt.

Compared with the prior art, the utility model has the beneficial effects that: through the setting of joint ball chain, but make the free adjustment between anchor clamps and the base, satisfy the work demand under the different states, make the centre gripping work better go on, be equipped with the steel wire in the joint ball chain, the steel wire runs through joint ball chain, steel wire connection anchor clamps and base, locking mechanical system control steel wire's tensioning and lax on the base to make joint ball chain change between fixed and adjustable, can be faster change adjustment, satisfy the work demand, change and restrict the range of motion of steel wire through the loose axle on the slide, better satisfy user's demand.

Further, the locking mechanism further comprises a driving device, a driving cavity is formed in the base, and the steel wire stretches into the driving cavity to be connected with the driving device.

Further, a mounting plate is fixedly mounted on the side wall of the driving cavity, a shearing mechanism is rotatably mounted on the mounting plate and comprises two rocking bars, the steel wire is fixedly connected with one of the rocking bars, the steel wire is slidably connected with the other rocking bar, and the shearing mechanism is connected with the driving device.

Further, sliding mounting on the lateral wall of mounting panel the screw thread is connected with the locking screw on the slide, when the slide can't slide, locking screw with the mounting panel butt.

Further, the driving device comprises an air pump, a telescopic rod is connected to the air pump, a first connecting rod is connected to the telescopic rod in a rotating mode, and the first connecting rod is connected with the shearing mechanism in a rotating mode.

Further, the joint ball chain comprises a plurality of movable joint balls which are connected with each other, the inside of each joint ball is hollow, every two of the movable joint balls can rotate freely, through holes are formed in the movable joint balls, and the steel wires penetrate through the through holes.

Further, be equipped with the joint chain on the base, the joint chain is including being fixed in the ball cover of base, be equipped with the joint ball fixed block on the base, rotate on the joint ball fixed block and be connected with adjusting nut, be connected with the extension joint ball on the joint ball chain, the extension joint ball with adjusting nut threaded connection.

Further, be equipped with the second connecting rod between anchor clamps with the joint ball chain, the joint ball chain with second connecting rod swing joint is equipped with the plug wire hole on the second connecting rod, the steel wire stretches into the plug wire hole with the second connecting rod is connected.

Further, a table clamp is connected to the side wall of the base.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a cross-sectional structure of a clamp according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a base according to an embodiment of the utility model;

fig. 4 is a schematic cross-sectional view of an articulated ball chain according to an embodiment of the utility model.

In the figure: 11. a base; 12. a table clamp; 13. a drive chamber; 21. a movable joint ball; 22. a plug wire hole; 23. a steel wire; 24. a through hole; 25. clamping blocks; 31. a clamp; 32. a second connecting rod; 33. a rotating shaft; 34. a grip; 42. an adjusting nut; 43. lengthening the joint ball; 44. a joint ball fixing block; 51. an air pump; 52. a shearing mechanism; 53. a clamping rod; 54. a mounting plate; 55. a first connecting rod; 56. a telescopic rod; 61. a movable shaft; 62. a slide plate; 63. locking the screw.

Detailed Description

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.

Examples:

referring to fig. 1, the utility model provides a medical mechanical arm structure, which comprises a base 11 and a clamp 31, wherein the clamp 31 is used for fixing medical equipment, the base 11 is used for driving the clamp 31 to move, a table clamp 12 is connected to the side wall of the base 11, the table clamp 12 comprises a C-shaped fixing block and a screw rod, the edge of a table extends into the inner side of the fixing block and is fixed through the screw rod, and the base 11 can be stable and is convenient to connect.

The base 11 and the clamp 31 are connected through a joint ball chain, the joint ball chain is formed by combining a plurality of movable joint balls 21, the inside of the movable joint balls 21 is hollow, one end of each movable joint ball 21 is in a round ball shape, the other end of each movable joint ball is in a cylindrical shape, an opening is formed in the cylindrical position, the round ball ends of the movable joint balls 21 are clamped into the openings of the cylindrical ends, and the movable joint balls 21 can move like universal balls.

The movable joint balls 21 are not limited, so that the movable joint balls 21 are provided with through holes 24 at the round ball ends, the joint ball chain comprises iron wires 23, the iron wires penetrate through the movable joint balls 21 from the through holes, when the iron wires are tightened, the movable joint balls 21 can not move at will, the joint ball chain is fixed, the work of medical staff is facilitated, and the iron wires 23 penetrate through the joint ball chain and the clamp 31 and the base 11 to be connected.

The end face of the base 11 is provided with a ball sleeve, the ball sleeve is a hollow cylinder, the base 11 is connected with the joint ball chain in the ball sleeve, the joint ball chain is connected with a lengthened joint ball 43 in the ball sleeve, the lengthened joint ball 43 is different from a common joint ball 24 in that the cylindrical end of the lengthened joint ball 43 is far longer than the joint ball 24, the lengthened end is used for connection, the base 11 is provided with a joint ball fixing block 44, the joint ball fixing block 44 is connected with a screw rod in a threaded manner, the screw rod is connected with the lengthened joint ball 43 in a threaded manner, an adjusting nut 42 is connected between the screw rod and the joint ball fixing block 44 in a threaded manner, and the movable range of the screw rod is adjusted through rotation of the adjusting nut 42, so that the adjusting work is realized, as shown in fig. 4.

Further, the inside driving chamber 13 that has of base 11, steel wire 23 can pass the joint ball chain and stretch into in the driving chamber 13, base 11 in be equipped with locking device in the driving chamber 13, through locking device control wire's tensity, locking mechanism includes mounting panel 54, mounting panel 54 is fixed in on the lateral wall of driving chamber 13, install shearing mechanism 52 on the lateral wall of mounting panel 54 rotation, shearing mechanism 52 is formed by the rocker rotation connection of two crisscross settings, shearing mechanism 52 is connected respectively through the both ends of rocker wire 23 and actuating mechanism, wire 23 with one rocker fixed connection in the shearing mechanism 52, the wire with another rocker rotation connection in the shearing mechanism 52, during the shearing mechanism 52 work, the one end of two rockers can be close to or separate, when close to, wire 23 is loose, during the separation, wire 23 can be taut, thereby change the state of joint ball chain realizes locking and unblock of arm.

Further, a sliding plate 62 is slidably mounted on the side wall of the mounting plate 54, the sliding plate 62 is located between two rockers in the shearing mechanism 52, a movable shaft 61 is fixedly connected to the sliding plate 62, the movable shaft 61 abuts against the iron wire 23, the sliding plate 62 can slide up and down, the tension degree of the iron wire 23 is changed, so that the friction force between movable joint balls is changed, the adjustability of a joint ball chain is changed, a locking screw 63 is connected to the sliding plate 62 in a threaded manner, the locking screw 63 penetrates through the sliding plate 62, and the locking screw 63 abuts against the mounting plate 54 to change the friction force, so that the locking and unlocking of the sliding plate 62 are realized.

The driving device comprises an air pump 51, a telescopic rod 56 is connected to the air pump 51, a first connecting rod 55 is rotatably connected to the telescopic rod 56, the first connecting rod 55 is rotatably connected with one side of the shearing mechanism 52, and the shearing mechanism 52 is driven to move through the connecting rod, so that the change of locking and unlocking states is realized.

Further, be equipped with second connecting rod 32 between anchor clamps 31 with the joint ball chain, the joint ball chain with second connecting rod 32 swing joint, the one end of second connecting rod 32 has the recess, the joint ball of joint ball chain one end stretches into in the recess, joint ball and groove connection, simultaneously, be equipped with plug wire hole 22 on the second connecting rod 32, be equipped with the recess with plug wire hole 22 intercommunication on the second connecting rod 32, be equipped with briquetting 25 in the recess, briquetting 25 and second connecting rod 32 pass through screw tightening and connect, wire 23 stretches into plug wire hole 22, screw tightening briquetting 25 in the recess through the screw, briquetting 25 extrusion is fixed wire 23 realizes fixed work.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a structure of medical arm, includes joint ball chain, its characterized in that: the steel wire (23) penetrates through the joint ball chain, the joint ball chain is connected with a locking mechanism used for limiting the steel wire, the steel wire (23) is connected with the locking mechanism, a sliding plate (62) is connected to the locking mechanism in a sliding mode, a movable shaft (61) is fixedly connected to the sliding plate (62), the movable shaft (61) is used for adjusting the tensioning degree of the steel wire (23) in an initial state, and the movable shaft (61) is in butt joint with the steel wire (23).

2. The medical manipulator structure according to claim 1, wherein: the locking mechanism comprises a mounting plate (54), a shearing mechanism (52) is rotatably mounted on the mounting plate (54), the shearing mechanism (52) comprises two rocking bars, a steel wire (23) is fixedly connected with one rocking bar, the steel wire (23) is slidably connected with the other rocking bar, the locking mechanism further comprises a driving device, and the shearing mechanism (52) is connected with the driving device.

3. The structure of a medical manipulator according to claim 2, wherein: the sliding plate (62) is slidably mounted on the side wall of the mounting plate (54), the sliding plate (62) is connected with a locking screw rod (63) in a threaded mode, and when the sliding plate (62) cannot slide, the locking screw rod (63) is abutted to the mounting plate (54).

4. The structure of a medical manipulator according to claim 2, wherein: the driving device comprises an air pump (51), a telescopic rod (56) is connected to the air pump (51), a first connecting rod (55) is connected to the telescopic rod (56) in a rotating mode, and the first connecting rod (55) is connected with the shearing mechanism (52) in a rotating mode.

5. The medical manipulator structure according to claim 1, wherein: the joint ball chain comprises a plurality of movable joint balls (21) which are connected with each other, the inside of each joint ball (21) is hollow, every two movable joint balls (21) can rotate freely, through holes (24) are formed in the movable joint balls (21), and the steel wires (23) penetrate through the through holes (24).

6. The medical manipulator structure according to claim 1, wherein: be equipped with second connecting rod (32) on the joint ball chain, be connected with anchor clamps (31) that are used for the centre gripping on second connecting rod (32), the joint ball chain with second connecting rod (32) swing joint, be equipped with plug wire hole (22) on second connecting rod (32), wire (23) stretch into plug wire hole (22) with second connecting rod (32) are connected.

7. The medical manipulator structure according to claim 1, wherein: the mechanical arm is characterized by further comprising a base (11), wherein a joint chain is arranged on the base (11), the joint chain comprises a ball sleeve fixed on the base (11), a joint ball fixing block (44) is arranged on the base (11), an adjusting nut (42) is rotationally connected to the joint ball fixing block (44), an elongated joint ball (43) is connected to the joint ball chain, and the elongated joint ball (43) is in threaded connection with the adjusting nut (42).

8. The medical manipulator structure of claim 7, wherein: a driving cavity (13) is arranged in the base (11), and the locking mechanism is positioned in the driving cavity (13).

9. The medical manipulator structure of claim 7, wherein: the side wall of the base (11) is connected with a table clamp (12).