CN217430030U

CN217430030U - Mechanical arm, high-frequency digital electroencephalograph and event potential system

Info

Publication number: CN217430030U
Application number: CN202220234525.1U
Authority: CN
Inventors: 刘晓玲; 陈烨; 寇宇畅
Original assignee: Neuracle Technology Changzhou Co ltd
Current assignee: Neuracle Technology Changzhou Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-09-16
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a mechanical arm, a high-frequency digital electroencephalograph and an event potential system. The arm includes: the first support arm is arranged on the fixing mechanism; one end of the second support arm is connected with the first support arm through a damping mechanism, and the damping mechanism enables the second support arm to easily rotate relative to the first support arm; and one end of the third support arm is connected with the other end of the second support arm, and the third support arm can rotate relative to the second support arm. The utility model discloses a damping mechanism can realize the holistic angle modulation of second support arm and third support arm, when clockwise and anticlockwise rotation, all can easily operate, promotes user's experience and feels.

Description

Mechanical arm, high-frequency digital electroencephalograph and event potential system

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a mechanical arm, high frequency digital electroencephalogram machine, incident potential system.

Background

Mechanical arms, such as ventilator arms, are devices that assist a patient in using medical equipment.

For example, chinese patent publication No. CN209645589U discloses a medical ventilator arm with joint damping, comprising: the two rotating discs are connected through a rotating shaft, the stainless steel sheet and the two friction sheets are respectively sleeved on the side wall of the rotating shaft, the stainless steel sheet is arranged between the two rotating discs, the two friction sheets are respectively arranged on two sides of one rotating disc, and the two rotating discs can be matched with each other in a rotating mode around the axis of the rotating shaft; two ends of the first supporting pipe are connected with the first turntable assembly and the second turntable assembly respectively, and two ends of the second supporting pipe are connected with the second turntable assembly and the third turntable assembly respectively. According to the scheme, two friction plates are arranged at the turntable assembly, and the rotating resistance of the turntable assembly is increased through the two friction plates to support a breathing machine accessory on the support arm.

However, this solution still has the following disadvantages: (1) the damping structure is poor in use feeling and convenient to rotate clockwise, but is labor-consuming to rotate anticlockwise; (2) the front end of the supporting arm adopts a hook, so that the supporting arm can be hung intelligently and has a single function; (3) the wiring is arranged outside the support arm, so that the appearance is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a mechanical arm, high frequency digital electroencephalograph, incident potential system can adjust the rotation angle of support arm in a flexible way, operate more laborsavingly.

The utility model provides a technical scheme that its technical problem adopted is: a robotic arm, comprising:

the first support arm is arranged on the fixing mechanism; the damping mechanism enables the second support arm to easily rotate relative to the first support arm; and one end of the third support arm is connected with the other end of the second support arm, and the third support arm can rotate relative to the second support arm. The utility model discloses a damping mechanism can realize the holistic angle modulation of second support arm and third support arm, when clockwise and anticlockwise rotation, all can easily operate.

In one embodiment, the robotic arm further comprises: and the connecting mechanism is connected with the other end of the third support arm.

In one embodiment, the damping mechanism comprises:

one end of the rotating shaft is connected with the first support arm, and the other end of the rotating shaft is connected with the second support arm;

and the torsion spring is arranged on the second support arm, and the rotating shaft penetrates through the torsion spring.

In one embodiment, the damping mechanism further comprises:

the shaft sleeve is connected with the first supporting arm and sleeved on the rotating shaft;

the gasket is sleeved on the rotating shaft and is located on one side, away from the second support arm, of the shaft sleeve.

In one embodiment, a first fixing cover is disposed at an end of the second arm, a protruding portion is disposed on a side of the first fixing cover facing the first arm, and a first through hole is formed in the protruding portion.

In an embodiment, the rotating shaft penetrates through the first through hole, and one end of the rotating shaft is connected with the first fixing cover.

In one embodiment, the torsion spring is sleeved on the outer peripheral surface of the boss.

In one embodiment, a second fixing cover is arranged at one end of the first support arm, a limiting part is arranged on one side, close to the second support arm, of the second fixing cover, and the shaft sleeve is mounted on the limiting part.

In one embodiment, the securing mechanism comprises:

a base, and

the fixed block is installed on the base, and the first support arm is connected with the fixed block.

The utility model also provides a high frequency digital electroencephalograph, which comprises the mechanical arm and a flash stimulator adapted to the high frequency digital electroencephalograph through the adapter.

The utility model also provides an incident current potential system includes foretell arm, through adaptor adaptation incident current potential system's flash of light stimulator.

The beneficial effect of the utility model is that,

the utility model discloses a damping mechanism can realize the holistic angle modulation of second support arm and third support arm, when clockwise and anticlockwise rotation, all can easily operate. When the second support arm rotates anticlockwise, the force generated by the torsion spring can offset the gravity of the whole mechanical arm and the equipment, so that the second support arm can be easily operated when rotating anticlockwise, and the operation is not very laborious.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the robot arm of the present invention.

Fig. 2 is a schematic structural diagram of the connection mechanism of the present invention.

Fig. 3 is a sectional view of the damping mechanism of the present invention.

Fig. 4 is a sectional perspective view of the damping mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the fixing mechanism of the present invention.

In the figure: 1. a fixing mechanism; 2. a first support arm; 3. a second support arm; 4. a damping mechanism; 5. a third support arm; 6. a connecting mechanism; 7. a nut; 8. a decorative cover; 11. a base; 12. a fixed block; 21. a second stationary cover; 22. a limiting part; 211. a second annular sidewall; 31. a first fixed cover; 32. a boss portion; 33. a first through hole; 311. a first base plate; 312. a first annular sidewall; 41. a rotating shaft; 42. a torsion spring; 43. a shaft sleeve; 44. a gasket; 61. a first connecting member; 62. a second connecting member; 63. and a third connecting member.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to fig. 5, the utility model provides a mechanical arm, include: fixed establishment 1, first support arm 2, second support arm 3 and third support arm 5, first support arm 2 is installed on fixed establishment 1, and the one end of second support arm 3 is connected through damping mechanism 4 with first support arm 2, and second support arm 3 can easily rotate for first support arm 2, and the one end of third support arm 5 is connected with the other end of second support arm 3, and third support arm 5 can rotate for second support arm 3. The utility model discloses a damping mechanism 4 can realize the holistic angle modulation of second support arm 3 and third support arm 5, when clockwise and anticlockwise rotation, all can easily operate.

According to an embodiment of the present invention, see fig. 2, the mechanical arm may further comprise a connecting mechanism 6, and the connecting mechanism 6 is connected with the other end of the third support arm 5. The connecting mechanism 6 can be customized according to different devices, and diversification of connecting functions is realized. Specifically, coupling mechanism 6 includes first connecting piece 61, second connecting piece 62 and third connecting piece 63, and first connecting piece 61 rotates with the other end of third support arm 5 to be connected, and second connecting piece 62 rotates with first connecting piece 61 to be connected, and third connecting piece 63 can dismantle with second connecting piece 62 and be connected, and third connecting piece 63 can customize according to the connection structure of different equipment to realize the arm and be applicable to the mounting structure of different equipment.

According to an embodiment of the present invention, as shown in fig. 3-4, the damping mechanism 4 includes a rotating shaft 41 and a torsion spring 42, one end of the rotating shaft 41 is connected to the first support arm 2, the other end of the rotating shaft 41 is connected to the second support arm 3, the torsion spring 42 is installed on the first support arm 2, and the rotating shaft 41 passes through the torsion spring 42. The damping mechanism 4 further includes a shaft sleeve 43 and a gasket 44, the shaft sleeve 43 is connected to the second support arm 3, the shaft sleeve 43 is sleeved on the rotating shaft 41, the gasket 44 is sleeved on the rotating shaft 41, and the gasket 44 is located on one side of the shaft sleeve 43 away from the second support arm 3. Specifically, one end of the rotating shaft 41 is fixedly connected with the second support arm 3, the other end of the rotating shaft 41 is connected with the first support arm 2, and the second support arm 3 can rotate relative to the first support arm 2. The rotating shaft 41 may be a screw, for example, and has one end fixed to the second arm 3 and the other end passing through the first arm 2 to be screwed with the nut 7. Specifically, the torsion spring 42 is made of, for example, a steel wire, and the number of turns and the diameter thereof are such that it can be installed between the first arm 2 and the second arm 3. For example, the number of turns of the torsion spring 42 may be three turns with a diameter of 3 mm. When the second arm 3 rotates counterclockwise, the force generated by the torsion spring 42 can counteract the gravity of the whole mechanical arm and the whole equipment, so that the second arm 3 can be easily operated during counterclockwise rotation without great effort. In other words, in the damping structure of the prior art, when the second arm 3 rotates counterclockwise (i.e. when the second arm 3 is lifted), the force twice the self weight of the whole robot arm and the whole equipment needs to be overcome, and the rotation is very difficult, which results in low working efficiency.

According to the utility model discloses an embodiment, the tip of second support arm 3 is equipped with first fixed lid 31, and first fixed lid 31 is equipped with bellying 32 towards one side of first support arm 2, has seted up first through-hole 33 on the bellying 32. The rotating shaft 41 penetrates the first through hole 33, and one end of the rotating shaft 41 is connected to the first fixing cover 31. Specifically, the first fixing cover 31 includes a first bottom plate 311 and a first annular sidewall 312, the first annular sidewall 312 is fixedly connected to the first bottom plate 311, for example, the first annular sidewall 312 and the first bottom plate 311 may have a "concave" shape. The boss 32 is disposed in the middle of the first base plate 311, the boss 32 extends toward the first arm 2, the first through hole 33 penetrates the boss 32 and the first base plate 311, and the rotation shaft 41 can penetrate the first through hole 33. The torsion spring 42 may be fitted over the outer peripheral surface of the boss 32. One end of the rotating shaft 41 is fixedly connected to the first base plate 311, in other words, when the first fixing cover 31 rotates, the rotating shaft 41 can rotate together with the first fixing cover 31.

According to the utility model discloses an embodiment, the one end of first support arm 2 is equipped with the fixed lid 21 of second, and the fixed lid 21 of second is equipped with spacing portion 22 near one side of second support arm 3, and axle sleeve 43 installs on spacing portion 22. Specifically, the second fixing cover 21 includes a second annular sidewall 211, the limiting portion 22 is disposed on an inner side of the second annular sidewall 211, and the limiting portion 22 is located at an end of the second annular sidewall 211 close to the second arm 3. The shaft sleeve 43 may be mounted on the limiting portion 22, for example, the shaft sleeve 43 may be in an i-shape, and the limiting portion 22 may be embedded between the upper end and the lower end of the shaft sleeve 43 to limit and support the shaft sleeve 43. A spacer 44 is located between the sleeve 43 and the nut 7, and the nut 7 can limit the spacer 44, and the spacer 44 is, for example, a damping spacer. The inner diameter of the second annular side wall 211 is larger than the outer diameter of the nut 7 so that the nut 7 can rotate following the rotation shaft 41. The first fixing cover 31 and the second fixing cover 21 can be provided with the decorative covers 8, so that the internal structure can be hidden, and the appearance is more attractive.

When the second arm 3 and the first arm 2 are mounted together, the end of the first annular side wall 312 and the end of the second annular side wall 211 abut against each other, but do not prevent the first annular side wall 312 and the second annular side wall 211 from being able to rotate relative to each other, and the rotating shaft 41 passes through the boss 32 and the stopper 22 at the same time to connect the first fixing cover 31 and the second fixing cover 21. At this time, a gap is left between the boss 32 and the boss 43 to avoid interference during rotation.

According to an embodiment of the present invention, see fig. 5, the fixing mechanism 1 includes a base 11 and a fixing block 12, the fixing block 12 is installed on the base 11, and the first support arm 2 is connected to the fixing block 12. The base 11 is, for example, a square plate, a circular plate, etc., having a certain area capable of being mounted to various devices. The fixed block 12 is embedded on the base 11, and the first support arm 2 can be installed on the fixed block 12 through a shaft sleeve. Specifically, the length of the first support arm 2 is far shorter than that of the second support arm 3, so that when the second support arm 3 is to be rotated, the rotation is more labor-saving and more stable. The utility model discloses in, first support arm 2, second support arm 3 and third support arm 5 when a straight line, total length can reach 1.5m, through setting up damping mechanism 4, can make second support arm 3 easily rotatory, damping member between second support arm 3 and the third support arm 5 adopt ordinary damping structure can. And, the utility model discloses a mechanical arm adopts inside the line of walking, and the electric wire can be followed first support arm 2, second support arm 3 and the inside passing of third support arm 5, and is more pleasing to the eye.

The utility model discloses a working process is, when clockwise rotation second support arm 3, second support arm 3 rotation can be followed to pivot 41, and pivot 41 is followed to bellying 32 and is rotated together to realize angle modulation. When the second support arm 3 is rotated counterclockwise, the rotating shaft 41 rotates along with the second support arm 3, the protruding portion 32 rotates along with the rotating shaft 41, and at this time, the torsion spring 42 can generate a force to offset the gravity of the whole mechanical arm and the whole equipment, so that the second support arm 3 can be lifted more easily, the operation is easier, and the experience feeling is better.

The utility model also provides a high frequency digital electroencephalograph or event potential system, which comprises the mechanical arm. For example, the mechanical arm can be connected with a flash stimulator on any one of a high-frequency digital electroencephalograph or an event potential system through a screw hole on the connecting mechanism 6, so that the flash stimulator can move and rotate, and particularly 360-degree rotation without dead angles can be realized; the flash stimulator is the prior art, and different flash stimulators can be selected corresponding to different devices. Of course, the mechanical arm can also be used as other medical equipment or a trolley, and is not limited herein, and the adaptation mode thereof can refer to the connection mode.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. A robot arm, comprising:

fixing means (1), and

the first support arm (2), the said first support arm (2) is installed on said fixed mechanism (1);

a second support arm (3), wherein one end of the second support arm (3) is connected with the first support arm (2) through a damping mechanism (4), and the damping mechanism (4) enables the second support arm (3) to rotate relative to the first support arm (2);

the third support arm (5), one end of third support arm (5) with the other end of second support arm (3) is connected, third support arm (5) can rotate for second support arm (3).

2. The robotic arm of claim 1, further comprising:

and the connecting mechanism (6) is connected with the other end of the third supporting arm (5).

3. A robot arm as claimed in claim 1, characterized in that said damping mechanism (4) comprises:

one end of the rotating shaft (41) is connected with the first support arm (2), and the other end of the rotating shaft (41) is connected with the second support arm (3);

a torsion spring (42), wherein the torsion spring (42) is installed on the second support arm (3), and the rotating shaft (41) penetrates through the torsion spring (42).

4. A robot arm as claimed in claim 3, characterized in that said damping mechanism (4) further comprises:

the shaft sleeve (43), the shaft sleeve (43) is connected with the first support arm (2), and the shaft sleeve (43) is sleeved on the rotating shaft (41);

the gasket (44) is sleeved on the rotating shaft (41), and the gasket (44) is located on one side, away from the second support arm (3), of the shaft sleeve (43).

5. A robot arm as claimed in claim 4, characterized in that the end of the second arm (3) is provided with a first fixed cover (31), the side of the first fixed cover (31) facing the first arm (2) is provided with a boss (32), and the boss (32) is provided with a first through hole (34).

6. A robot arm as claimed in claim 5, characterized in that said shaft (41) extends through said first through hole (34), one end of said shaft (41) being connected to said first fixed cover (31); the torsion spring (42) is sleeved on the peripheral surface of the bulge part (32).

7. A robot arm according to claim 4, characterized in that a second fixed cover (21) is provided at one end of the first arm (2), a limiting part (22) is provided at the side of the second fixed cover (21) close to the second arm (3), and the bushing (43) is mounted on the limiting part (22).

8. A robot arm as claimed in claim 1, characterized in that said securing mechanism (1) comprises:

a base (11), and

the fixing block (12), the fixing block (12) is installed on the base (11), and the first supporting arm (2) is connected with the fixing block (12).

9. A high frequency digital electroencephalograph comprising the robotic arm of any one of claims 1 to 8.

10. An event potential system comprising a robotic arm as claimed in any one of claims 1 to 8.