CN216777685U - Medical auxiliary mechanical arm - Google Patents

Abstract

The utility model discloses a medical auxiliary mechanical arm, which belongs to the field of medical instruments and comprises a fixed arm, a transition arm, a movable arm and at least one knob joint, wherein the transition arm and the fixed arm and/or the transition arm and the movable arm are connected through the knob joint, the knob joint comprises a first swing arm, a second swing arm and a tightening knob, a first rotating part of the first swing arm and a second rotating part of the second swing arm are oppositely arranged, and the tightening knob penetrates through the first rotating part and the second rotating part to enable the first swing arm and the second swing arm to be rotatably connected. The medical auxiliary mechanical arm can freely adjust the angle and the rotating tightness of each section of arm of the mechanical arm, and can lock the determined position, so that the usability and the use experience of the mechanical arm are greatly improved.

Description

Medical auxiliary mechanical arm

Technical Field

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

Background

With the development of modern medical level, the use of mechanical arms in clinic is more and more frequent, the existing mechanical arms are mostly used in environments such as clinical operations and the like, the structures of the mechanical arms are relatively complex, but in use environments such as patient wards or patient nursing, the mechanical arms which are relatively simple in structure but can freely change the shapes are often needed, so that the mechanical arms can conveniently assist the breathing machine, the infusion bottle and the like to arrange pipelines and the like. In the prior art, the support for devices such as pipelines is often realized through a support, and the support is difficult to deform and is difficult to adapt to patients with different body positions.

Chinese patent document publication No. CN209951983U discloses a arm for breathing machine, including bed plate, the vertical support telescopic link of arranging, one side and the exterior wall connection that supports the telescopic link and be the vertical regulation telescopic link of arranging and hang the telescopic link, it constitutes at the intraductal interior side sleeve pipe of outside sleeve pipe by foreign side sleeve pipe and pot head to support the telescopic link, interior side sleeve pipe and foreign side sleeve pipe upper and lower damping formula sliding connection, foreign side sleeve pipe outer wall top is provided with the spliced pole, it constitutes by a plurality of telescopic sections to adjust the telescopic link. The adjustment is realized through the regulation telescopic link of vertical arrangement and hanging the telescopic link to above-mentioned patent, and this kind of telescopic link only can stretch out and draw back along vertical or horizontal direction, can be adapted to complicated clinical scene, also is difficult to satisfy the patient and stands up the demand such as.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a medical auxiliary mechanical arm which can freely adjust the angle and the rotating tightness of each section of arm of the mechanical arm and can lock the determined position, so that the usability and the use experience of the mechanical arm are greatly improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a medical auxiliary mechanical arm which comprises a fixed arm, a transition arm, a movable arm and at least one knob joint, wherein the transition arm and the fixed arm and/or the transition arm and the movable arm are connected through the knob joint, the knob joint comprises a first swing arm, a second swing arm and a tightening knob, a first rotating part of the first swing arm and a second rotating part of the second swing arm are oppositely arranged, and the tightening knob penetrates through the first rotating part and the second rotating part to enable the first swing arm to be rotatably connected with the second swing arm.

The utility model further adopts the technical scheme that the elastic knob comprises a threaded sleeve and a first screw rod, and the threaded sleeve is in threaded fit with the first screw rod.

The utility model has the further technical scheme that the threaded sleeve comprises a baffle, a cylindrical shaft and a square bolt, the baffle is positioned at one end of the cylindrical shaft, the square bolt is positioned at the other end of the cylindrical shaft, a round through hole in the middle of the first rotating part is sleeved on the cylindrical shaft, and a square through hole in the middle of the second rotating part is sleeved on the square bolt.

The utility model has the further technical scheme that a containing groove for containing the baffle is arranged on the outer side wall of the first rotating part.

The utility model has the further technical scheme that a rudder handle is arranged on the first screw rod, and at least one extension arm is arranged on the rudder handle.

The utility model has the further technical scheme that a snake neck pipe used for adjusting the direction of the pipe clamp is arranged at the bottom of the movable arm.

The utility model further adopts the technical scheme that a swinging regulator and a pipe clamp assembly are arranged at the tail end of the snake neck pipe, and the pipe clamp assembly is connected with the tail end of the snake neck pipe through the swinging regulator.

The further technical scheme of the utility model is that the swinging adjuster comprises a first jacket, a second jacket and an adjusting nut, wherein the first jacket is fixedly connected with the second jacket through the adjusting nut. The pipe clamp comprises a first clamp sleeve and a second clamp sleeve, wherein the first clamp sleeve and the second clamp sleeve are symmetrically arranged, an accommodating opening is formed between the first clamp sleeve and the second clamp sleeve, a first limiting groove is formed in the first clamp sleeve on one side of the accommodating opening, a second limiting groove is formed in the second clamp sleeve on the other side of the accommodating opening, the pipe clamp assembly comprises a swing rod and a ball head located at the first end of the swing rod, the ball head is located in the accommodating opening, and two sides of the ball head are respectively abutted against the first limiting groove and the second limiting groove.

The utility model further adopts the technical scheme that the pipe clamp assembly further comprises at least one pipe clamp and a fixing plate for fixing the pipe clamp, the second end of the swing rod is connected with the fixing plate, and the at least one pipe clamp is fixed on the fixing plate.

The further technical scheme of the utility model is that the bottom of the fixed arm is provided with a clamp, the clamp comprises a structure block with a clamping groove, a second screw and a sliding block, the second screw is in threaded fit with the bottom wall of the clamping groove, the sliding block is fixed at one end of the second screw, and the sliding block is positioned in the clamping groove and is in sliding fit with the clamping groove.

The utility model has the beneficial effects that:

according to the medical auxiliary mechanical arm provided by the utility model, the knob joints are arranged among the fixed arm, the transition arm and the movable arm, so that the fixed arm, the transition arm and the movable arm can be rotatably connected, and the tightness of the first swing arm and the second swing arm can be adjusted through the tightness knobs of the knob joints, so that the purposes of automatically adjusting the angle and the height of each section of arm of the mechanical arm are achieved. In addition, this application still is provided with the snake neck pipe and swings to the regulator, can further increase the degree of freedom of pipe clamp, and the use of better increase medical treatment auxiliary machinery arm is experienced.

Drawings

FIG. 1 is an elevation view of a medical assist arm provided in an embodiment of the present invention;

FIG. 2 is a rear view of a medical assist arm provided in an embodiment of the present invention;

FIG. 3 is a schematic view of part A of a medical assist arm provided in an embodiment of the present invention;

FIG. 4 is a perspective view of a medical assist arm provided in an embodiment of the present invention;

FIG. 5 is a partial schematic view B of a medical assist arm provided in an embodiment of the present invention;

FIG. 6 is a block diagram of a pendulum adjuster and tube clamp assembly provided in an embodiment of the present invention;

FIG. 7 is a first exploded view of a knob joint provided in an embodiment of the present invention;

fig. 8 is a second exploded view of a knob joint provided in an embodiment of the present invention.

In the figure:

1. a fixed arm; 2. a transition arm; 3. a movable arm; 4. a knob joint; 41. a first swing arm; 42. a second swing arm; 43. tightening and loosening the knob; 411. a first rotating section; 421. a second rotating section; 431. a threaded sleeve; 432. a first screw; 311. a baffle plate; 312. a cylindrical shaft; 313. a square bolt; 110. a circular through hole; 210. a square through hole; 111. accommodating grooves; 320. a rudder handle; 321. an extension arm; 8. snake neck tube; 5. a swing direction regulator; 6. a pipe clamp assembly; 51. a first jacket; 52. a second jacket; 53. adjusting the nut; 54. an accommodation opening; 511. a first limit groove; 61. a swing rod; 62. a ball head; 63. a pipe clamp; 64. a fixing plate; 10. a clamp; 101. a structural block; 102. a second screw; 103. a slider; 104. a clamping groove.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 8, the medical auxiliary mechanical arm provided by the utility model comprises a fixed arm 1, a transition arm 2, a movable arm 3 and at least one knob joint 4, wherein the transition arm 2 is connected with the fixed arm 1 through the knob joint 4, or the transition arm 2 is connected with the movable arm 3 through the knob joint 4, or the transition arm 2 is connected with the fixed arm 1 and the transition arm 2 is connected with the movable arm 3 through the knob joint 4, and the fixed arm 1, the transition arm 2 and the movable arm 3 can rotate relative to each other due to the knob joint 4, so that the posture of the medical auxiliary mechanical arm can be adjusted at will. The knob joint 4 includes a first swing arm 41, a second swing arm 42, and a tightening knob 43, wherein a first rotating portion 411 of the first swing arm 41 is disposed opposite to a second rotating portion 421 of the second swing arm 42, and the first rotating portion 411 and the second rotating portion 421 are generally symmetrically distributed, the tightening knob 43 passes through the first rotating portion 411 and the second rotating portion 421 so that the first swing arm 41 and the second swing arm 42 can be rotatably connected, specifically, when the tightening knob 43 is loosened, the first rotating portion 411 can rotate relative to the second rotating portion 421 under the action of an external force; when the tightening knob 43 is tightened, the relative movement between the first rotating portion 411 and the second rotating portion 421 is locked, that is, the degree of tightness of the contact between the first rotating portion 411 and the second rotating portion 421 can be adjusted by the tightening knob 43, and when the fastening force of the tightening knob 43 exerted on the first rotating portion 411 and the second rotating portion 421 is large, the first rotating portion 411 cannot rotate relative to the second rotating portion 421, so that the purpose of locking the relative movement is achieved. Therefore, the angle and the height of each section of arm of medical auxiliary mechanical arm automatically regulated arm that this application provided compare in the mode that the helicopter that adopts among the prior art, level extended, the medical auxiliary mechanical arm that this application provided is more nimble, can improve the ability that medical auxiliary mechanical arm articulated devices such as pipeline according to the different gestures of patient's position adjustment.

In order to facilitate the tightness adjustment of the tightness knob 43, further, the tightness knob 43 includes a threaded sleeve 431 and a first screw 432, the threaded sleeve 431 is in threaded fit with the first screw 432, and the first rotating portion 411 and the second rotating portion 421 are both sleeved on the threaded sleeve 431, so that when the tightness knob 43 is locked, the pressure on the contact surface of the first rotating portion 411 and the second rotating portion 421 is increased, so that the two portions cannot rotate relatively. Further preferably, the threaded sleeve 431 comprises a baffle 311, a cylindrical shaft 312 and a square bolt 313, the baffle 311 is located at one end of the cylindrical shaft 312, the square bolt 313 is located at the other end of the cylindrical shaft 312, the circular through hole 110 in the middle of the first rotating part 411 is sleeved on the cylindrical shaft 312, the square through hole 210 in the middle of the second rotating part 421 is sleeved on the square bolt 313, the relative rotation between the first rotating part 411 and the second rotating part 421 results in the angle change between the fixed arm 1, the transition arm 2 and the movable arm 3, and the like, so the square through hole 210 can ensure that the threaded sleeve 431 can not rotate along with the rotation of the first rotating part 411, the arrangement is more convenient for the tightening of the first screw 432, that is, the first screw 432 does not need to press the threaded sleeve 431 during the tightening process, the threaded sleeve 431 and the second rotating part 421 move in the same during the rotation through the square through hole 210 and the square bolt 313, and the first rotating part 411 can rotate freely relative to the threaded sleeve 431, this ensures that the stationary arm 1, the transition arm 2, and the movable arm 3 connected to the first rotating portion 411 and the second rotating portion 421 can rotate freely between each two, and the tightness can be adjusted when the tightening knob 43 is tightened. In order to prevent the baffle 311 from protruding outward, it is further preferable that an accommodating groove 111 for accommodating the baffle 311 is provided on an outer side wall of the first rotating portion 411, so that the middle portion of the knob joint 4 looks more beautiful in appearance, and generally, the first rotating portion 411 and the accommodating baffle 311 are configured with different colors, which is more beautiful in vision. Further preferably, the first screw rod 432 is provided with a rudder handle 320, the rudder handle 320 is provided with at least one extension arm 321, the first screw rod 432 can be conveniently rotated by a hand through the rudder handle 320, a structure similar to a rudder is formed, fingers can be placed between two adjacent extension arms 321 to facilitate better exertion when the rudder handle 320 rotates, and the structure can enable tightness adjustment of the tightness knob 43 to be easy.

The bottom of digging arm 3 is provided with the snake neck pipe 8 that is used for adjusting the pipe clamp 63 direction, and snake neck pipe 8 can make things convenient for pipe clamp subassembly 6 to crooked towards a plurality of directions, especially to the medical auxiliary machinery arm that elasticity knob 43 has been screwed up, because elasticity knob 43 has been screwed up this moment can the patient shift the position or during effect such as swing removal needs the position and the direction of the pipe clamp subassembly 6 of digging arm 3 of small amplitude regulation, snake neck pipe 8 can its arbitrary bending just can be fine undertake this role. In a further embodiment, the snake neck 8 is provided at its distal end with a yaw adjuster 5 and a tube clamp assembly 6, the tube clamp assembly 6 being connected to the distal end of the snake neck 8 by the yaw adjuster 5, the yaw adjuster 5 being capable of adjusting and locking the orientation of the tube clamp assembly 6. Further preferably, the pendulum adjuster 5 includes a first jacket 51, a second jacket 52 and an adjusting nut 53, the first jacket 51 is fixedly connected to the second jacket 52 through the adjusting nut 53, the first jacket 51 and the second jacket 52 are symmetrically disposed, an accommodating opening 54 is disposed between the first jacket 51 and the second jacket 52, a first limiting groove 511 is disposed in the first jacket 51 on one side of the accommodating opening 54, a second limiting groove is disposed in the second jacket 52 on the other side of the accommodating opening 54, the second limiting groove is symmetrically disposed with the first limiting groove 511, which is not shown in the figure, so as to clamp the ball 62, the pipe clamp assembly 6 includes a pendulum rod 61 and a ball 62 located at a first end of the pendulum rod 61, the ball 62 is located in the accommodating opening 54, two sides of the ball 62 are respectively abutted against the first limiting groove 511 and the second limiting groove, because two sides of the ball 62 are provided with the first limiting groove 511 and the second limiting groove, the pendulum rod 61 can swing along the accommodating opening 54, however, the ball 62 cannot be separated from the receiving opening 54, the swing rod 61 can swing along the groove direction of the receiving opening 54 due to the structure, the function of the adjusting nut 53 is similar to that of the loosening and tightening knob 43, when a certain angle of movement of the swing rod 61 needs to be positioned, the friction force between the first limiting groove 511 and the second limiting groove and the ball 62 can be increased through the adjusting nut 53, so that the ball 62 cannot rotate, and the orientation of the pipe clamp assembly 6 is locked. Further preferably, the pipe clamp assembly 6 further comprises at least one pipe clamp 63 and a fixing plate 64 for fixing the pipe clamp 63, the second end of the swing rod 61 is connected to the fixing plate 64, the at least one pipe clamp 63 is fixed to the fixing plate 64, a plurality of pipe clamps 63 can be installed by arranging the fixing plate 64, and the pipe clamps 63 can be used for clamping both pipes and objects.

In order to facilitate the fixing or connection of the medical auxiliary mechanical arm and other articles, further, a clamp 10 is arranged at the bottom of the fixing arm 1, the clamp 10 includes a structure block 101 having a clamping groove 104, a second screw 102 and a slider 103, the second screw 102 is in threaded fit with the bottom wall of the clamping groove 104, the slider 103 is fixed at one end of the second screw 102, and the slider 103 is located in the clamping groove 104 and is in sliding fit with the clamping groove 104. When the novel desk is used specifically, the knob at the tail end of the second screw rod 102 is rotated to enable the sliding block 103 to slide along the clamping groove 104, the edges of other articles such as a desk board are placed on the upper portion of the clamping groove 104, then the tail end of the second screw rod 102 is rotated and screwed, and the sliding block 103 is enabled to be propped against the bottom plane of the edges of the other articles to be fixed.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims (10)

1. A medical assist mechanical arm, comprising:

the device comprises a fixed arm (1), a transition arm (2) and a movable arm (3);

at least one knob joint (4), wherein the transition arm (2) is connected with the fixed arm (1) and/or the transition arm (2) is connected with the movable arm (3) through the knob joint (4);

the knob joint (4) comprises a first swing arm (41), a second swing arm (42) and an elastic knob (43), a first rotating portion (411) of the first swing arm (41) and a second rotating portion (421) of the second swing arm (42) are arranged oppositely, and the elastic knob (43) penetrates through the first rotating portion (411) and the second rotating portion (421) to enable the first swing arm (41) and the second swing arm (42) to be rotatably connected.

2. The medical assist mechanical arm of claim 1, wherein:

the tightening and loosening knob (43) comprises a threaded sleeve (431) and a first screw rod (432), and the threaded sleeve (431) is in threaded fit with the first screw rod (432).

3. The medical assist mechanical arm of claim 2, wherein:

the threaded sleeve (431) comprises a baffle (311), a cylindrical shaft (312) and a square bolt (313), the baffle (311) is located at one end of the cylindrical shaft (312), the square bolt (313) is located at the other end of the cylindrical shaft (312), a round through hole (110) in the middle of the first rotating portion (411) is sleeved on the cylindrical shaft (312), and a square through hole (210) in the middle of the second rotating portion (421) is sleeved on the square bolt (313).

4. The medical assist mechanical arm of claim 3, wherein:

the outer side wall of the first rotating part (411) is provided with a containing groove (111) used for containing the baffle (311).

5. The medical assistive robotic arm of claim 2, 3, or 4, wherein:

the first screw rod (432) is provided with a rudder handle (320), and the rudder handle (320) is provided with at least one extension arm (321).

6. The medical assist mechanical arm according to claim 1, wherein:

the bottom of the movable arm (3) is provided with a snake neck tube (8) used for adjusting the direction of the pipe clamp (63).

7. The medical assist mechanical arm of claim 6, wherein:

the tail end of the snake neck pipe (8) is provided with a swinging regulator (5) and a pipe clamp assembly (6);

the pipe clamp assembly (6) is connected with the tail end of the snake neck pipe (8) through the swinging direction regulator (5).

8. The medical assist mechanical arm of claim 7, wherein:

the swinging regulator (5) comprises a first jacket (51), a second jacket (52) and a regulating nut (53);

the first jacket (51) is fixedly connected with the second jacket (52) through the adjusting nut (53);

the first jacket (51) and the second jacket (52) are symmetrically arranged, an accommodating opening (54) is arranged between the first jacket (51) and the second jacket (52), a first limiting groove (511) is arranged in the first jacket (51) on one side of the accommodating opening (54), and a second limiting groove is arranged in the second jacket (52) on the other side of the accommodating opening (54);

the pipe clamp assembly (6) comprises a swing rod (61) and a ball head (62) positioned at the first end of the swing rod (61);

the ball head (62) is located in the accommodating opening (54), and two sides of the ball head (62) are respectively abutted against the first limiting groove (511) and the second limiting groove.

9. The medical assist mechanical arm of claim 8, wherein:

the pipe clamp assembly (6) further comprises at least one pipe clamp (63) and a fixing plate (64) for fixing the pipe clamp (63);

the second end of the swing rod (61) is connected with the fixed plate (64);

at least one pipe clamp (63) is fixed on the fixing plate (64).

10. The medical assist mechanical arm of claim 1, wherein:

the bottom of the fixed arm (1) is provided with a clamp (10);

the clamp (10) comprises a structure block (101) with a clamping groove (104), a second screw rod (102) and a sliding block (103);

the second screw rod (102) is in threaded fit with the bottom wall of the clamping groove (104), the sliding block (103) is fixed at one end of the second screw rod (102), and the sliding block (103) is located in the clamping groove (104) and is in sliding fit with the clamping groove (104).

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