CN111135019A

CN111135019A - Capsular finger and hand rehabilitation training device

Info

Publication number: CN111135019A
Application number: CN202010111073.3A
Authority: CN
Inventors: 王勇; 张健; 陈宝亮; 肖飞云; 张春涛; 刘正士
Original assignee: Hefei University of Technology
Current assignee: Hefei University of Technology
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-05-12
Also published as: CN212326883U; CN215504101U; CN212522360U; CN212326882U; CN111939000A; CN111920649A; CN111939001A; CN112402187A

Abstract

The invention discloses a capsular finger and hand rehabilitation trainer. The bag finger comprises a fold structure and a connecting surface, a plurality of bulges are arranged on the fold structure, the connecting surface is arranged on the fold structure to form a finger-shaped structure with a cavity inside, and the connecting surface is a fold surface or a non-fold surface. The hand rehabilitation training device comprises at least one sac finger, and the sac finger is installed on the palm template. The capsule finger of the invention has simple structure, easy sealing and low cost.

Description

Capsular finger and hand rehabilitation training device

Technical Field

The invention belongs to the technical field of bionic machinery, and particularly relates to a capsular finger and hand rehabilitation trainer.

Background

At present, the number of patients with hand disabilities caused by stroke, cerebral hemorrhage, cerebral infarction, cerebral thrombosis, cerebral palsy, burn, scald and other various accidents is gradually increased in China every year. The symptoms are usually manifested as convulsion, spasm, weakness in grasping, failure of normal stretching, and "eagle hooking". The hand rehabilitation needs to be progressive, and the hand rehabilitation instrument is usually adopted for rehabilitation training. The key of the hand rehabilitation instrument is the finger part, and the existing hand rehabilitation training instrument has the defects of complicated finger structure, high sealing cost, high price, large structural size, low bearing capacity and poor fitting effect with hands.

In addition, the existing mechanical gripper usually adopts a rigid structure, and the problems that the gripped object is damaged and the running noise is large when the gripped object is faced are solved, so that the improvement is urgently needed.

Disclosure of Invention

In view of the above disadvantages of the prior art, an object of the present invention is to provide a capsular finger and a hand rehabilitation training device, which are used to solve the problems of complicated finger structure, high sealing cost, high price, large structural size, low bearing capacity, poor fitting effect with human hands, etc. of the hand rehabilitation training device in the prior art.

To achieve the above and other related objects, the present invention provides a capsular finger, comprising:

a corrugated structure having a plurality of protrusions disposed thereon; and

and the connecting surface is arranged on the corrugated structure to form a finger-shaped structure with a cavity inside.

In an embodiment of the invention, the connecting surface is a corrugated surface or a non-corrugated surface.

In one embodiment of the invention, one end of the finger structure is closed, and the other end of the finger structure is provided with a first through opening.

In an embodiment of the invention, the first port is connected with an external device.

In one embodiment of the invention, the external device comprises a pump or a palm template.

In an embodiment of the invention, the material of the corrugated structure and the connecting surface is an elastic material.

In an embodiment of the present invention, the finger structure is an integrally formed structure.

In one embodiment of the invention, the bladder is a non-rotating body structure.

In an embodiment of the present invention, the capsule finger further comprises:

a securing device mounted on the pleated face or non-pleated face.

The invention also provides a hand rehabilitation training device, comprising:

at least one bladder finger mounted on the palm template.

As described above, the capsular finger and hand rehabilitation training device of the present invention has the following beneficial effects:

the capsular finger comprises a fold structure and a connecting surface, wherein a plurality of bulges are arranged on the fold structure, and the connecting surface is arranged on the fold structure to form a finger-shaped structure with a cavity inside. The capsule finger has the advantages of simple structure, easy sealing and low cost, can not cause the problems of damage to a gripped object, high running noise and the like when facing the gripping of the object, and has longer service life.

The capsule finger adopts an integrated structure, and the lengths and the positions of the finger joints of different people do not need to be distinguished intentionally.

The capsule finger can be made of elastic materials, when the capsule finger is used as a hand rehabilitation trainer, rigid restraint and compression on blood vessels, muscles and the like of hands are avoided, the using effect is good, and the capsule finger is suitable for batch production.

When the capsule finger is used as a hand rehabilitation trainer, the capsule finger can be directly attached to the finger, the structure stress is reasonable, the support force is better, the fatigue life is longer, the structure is compact, the contact area between the connecting surface and the finger is large, the deformation is small, the attachment is more comfortable, and the problems of air leakage, complex process, uncomfortable hand attachment, large structure size and the like caused by the fact that the finger part of the traditional hand rehabilitation instrument is sealed at multiple positions are solved.

The capsule finger can also be used as a bionic paw to realize the actions of grabbing, holding, stretching and the like, has high action precision, and cannot damage a grabbed object by adopting the elastic material for manufacturing.

The capsule finger of the invention has simple and compact structure, easy manufacture and wide market prospect.

Drawings

Fig. 1 is a schematic structural diagram of a capsular finger provided in an embodiment of the present application.

Fig. 2 is a sectional structural view of a capsular finger according to an embodiment of the present application.

FIG. 3 is an axial cross-sectional view of a protuberance of a capsular finger provided in accordance with an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a hand rehabilitation training device according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a hand rehabilitation training device according to another embodiment of the present application.

Fig. 6 is a schematic structural diagram of a hand rehabilitation training device according to another embodiment of the present application.

Fig. 7 is a sectional structural view of a capsular finger according to an embodiment of the present application.

Fig. 8 is a sectional structural view of a capsular finger according to an embodiment of the present application.

Description of the element reference numerals

1 projection

2 connecting surface

3 first through opening

4 fixing device

5 palm template

6 second through hole

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

Referring to fig. 1, fig. 2, fig. 3, fig. 7, and fig. 8, fig. 1 is a schematic structural diagram of a capsular finger according to an embodiment of the present application. Fig. 2 is a sectional structural view of a capsular finger according to an embodiment of the present application. FIG. 3 is an axial cross-sectional view of a protuberance of a capsular finger provided in accordance with an embodiment of the present application. Fig. 7 is a sectional structural view of a capsular finger according to an embodiment of the present application. Fig. 8 is a sectional structural view of a capsular finger according to an embodiment of the present application. The present invention provides a capsular finger including, but not limited to, a corrugated structure, an attachment surface 2. Specifically, the connecting surface 2 is a corrugated surface or a non-corrugated surface. The non-corrugated surface is shown in figures 1 to 3, and the corrugated surface is shown in figures 7 and 8. When the connecting surface 2 is a wrinkled surface, the connecting surface 2 is a micro-wrinkled surface. The capsule finger further comprises a fixing device 4, wherein the fixing device 4 is arranged on the folding structure or the folding surface or the non-folding surface. Specifically, the material of the whole bladder finger, that is, the material of the corrugated structure and the connecting surface 2, may be, but is not limited to, an elastic material, and may also be made of other materials, and may be set according to specific needs. One side of the sac finger is of a folded structure, the other side of the sac finger is of a connecting surface 2, a plurality of protrusions 1 are arranged on the folded structure, the connecting surface 2 is installed on the folded structure to form a finger-shaped structure with a cavity inside, and the connecting surface 2 can be but is not limited to a structure with a plane surface. One end of the finger-shaped structure is closed, and the other end of the finger-shaped structure is provided with a first through opening 3. The first port 3 is connected to an external device. In particular, the external device may include, but is not limited to, a pump or a palm template 5. When the first port 3 is connected to a pump, a working medium, which may be, but not limited to, a fluid such as gas, water, hydraulic oil, etc., may flow in and out through the first port 3. The whole capsule finger, namely the finger-shaped structure, is of an integrally formed structure, and the whole capsule finger is of an integral non-rotating body structure. The cross section of the whole capsule finger is in a left-right symmetrical figure, the depth of the bulge 1 on the symmetrical plane is the largest, and the depth extending from the symmetrical plane to the two side surfaces is gradually reduced. The bag finger has a specific bending direction, when the pump sucks air from the first through opening 3, the distance between the protrusions 1 is reduced, the whole bag is bent towards one side of the corrugated structure, when the pump inflates air from the first through opening 3, the distance between the protrusions 1 is increased, and the whole bag is bent towards one side of the connecting surface 2.

Referring to fig. 4, fig. 4 is a schematic structural view of a hand rehabilitation training device according to an embodiment of the present application. The capsule fingers can be applied to a hand rehabilitation trainer in a non-limiting manner, the hand rehabilitation trainer also comprises at least one capsule finger, the hand rehabilitation trainer can comprise five capsule fingers, the five capsule fingers correspond to five fingers of a human body, so that the human body fingers can be rehabilitated, and the capsule fingers can be mounted on the palm template 5 in a non-limiting manner. The capsule finger comprises a fold structure and a connecting surface 2, a plurality of protrusions 1 are arranged on the fold structure, and the connecting surface 2 is installed on the fold structure to form a finger-shaped structure with a cavity inside. Specifically, each of the bladder fingers may be screwed or interference-fitted with the palm template 5, bonded or the like by providing a thread, a connection structure or the like at the first through opening 3. The bottom of the palm template 5 is provided with a second through hole 6, and the second through hole 6 can be connected with external equipment, such as but not limited to a pump. When the second through hole 6 is connected to a pump, a working medium, which may be, but not limited to, a fluid such as gas, water, hydraulic oil, etc., may flow in and out through the second through hole 6. The material of the palm template 5 may be, but is not limited to, metal and plastic. When the capsular fingers are used in the hand rehabilitation trainer, the capsular fingers can be assembled into fingers of a human body, and five capsular fingers respectively simulate the thumb, the index finger, the middle finger, the ring finger and the little finger of a human hand. Hand rehabilitation training ware is when using, the palm one side of human finger with the bag indicates is connected 2 laminating of face, and is right through the pump second through-hole 6 is bled, and the distance between the arch 1 reduces, and the directional fold structure of bag one side is crooked, when second through-hole 6 aerifys, the distance increase between the arch 1, the bag is directional connect the face 2 one side is crooked.

Referring to fig. 5 and 6, fig. 5 is a schematic structural view of a hand rehabilitation training device according to another embodiment of the present application. Fig. 6 is a schematic structural diagram of a hand rehabilitation training device according to another embodiment of the present application. The hand rehabilitation training device comprises at least one sac finger, and the hand rehabilitation training device can comprise five sac fingers, wherein the five sac fingers correspond to five fingers of a human body so as to perform rehabilitation training on the fingers of the human body, and the sac fingers can be installed on the palm template 5 in a non-limiting mode. The bag indicates including fold structure, connection face 2 and fixing device 4, be provided with a plurality of archs 1 on the fold structure, connection face 2 install in on the fold structure to form inside finger structure for the cavity, fixing device 4 install in on fold structure or connection face 2, be used for on being fixed in human finger each bag indicates, fixing device 4 can be but not limited to for elastic bandage. Specifically, each of the bladder fingers may be screwed or interference-fitted, bonded, or the like with the palm form 5 by providing a screw thread or a connection structure, or the like at the first through opening 3. The bottom of the palm template 5 is provided with a second through hole 6, and the second through hole 6 can be connected with external equipment, such as but not limited to a pump. When the second through hole 6 is connected to a pump, a working medium, which may be, but not limited to, a fluid such as gas, water, hydraulic oil, etc., may flow in and out through the second through hole 6. The material of the palm template 5 may be, but is not limited to, metal material and plastic. When the capsular fingers are used in the hand rehabilitation trainer, the capsular fingers can be assembled into fingers of a human body, and five capsular fingers respectively simulate the thumb, the index finger, the middle finger, the ring finger and the little finger of a human hand. Hand rehabilitation training ware is when using, the palm one side of human finger with the bag indicates is connected 2 laminating of face, and passes through fixing device 4 is fixed, and is right through the pump second through-hole 6 is bled, and the distance between the arch 1 reduces, and the one side bending of the directional fold structure of bag, when second through-hole 6 aerifys, the distance increase between the arch 1, the bag is directional connect the one side bending of face 2. When the capsule indicates to use as hand rehabilitation training ware, can be directly with the laminating of finger, have better holding power, fatigue life is higher, connect the face big with finger area of contact, warp for a short time, the laminating is more comfortable, has avoided traditional hand rehabilitation apparatus finger part many places to seal, gas leakage, the technology that leads to is complicated, the staff laminating is uncomfortable, the big scheduling problem of structure size. The present invention may also provide an anthropomorphic gripper comprising at least one capsular finger, which may comprise five capsular fingers corresponding to five fingers of a human body for rehabilitation training of the human fingers, which may be, but is not limited to, mounted on a palm template 5.

Referring to fig. 1 to 6, the operating principle of the capsular finger of the present invention is as follows: through when first opening 3 or second through-hole 6 bleed, the distance between the arch 1 reduces, and one side of the directional fold structure of bag is crooked, when second through-hole 6 aerifys, the distance increase between the arch 1, the bag is directional connect one side of face 2 to be crooked, the bag indicates to assemble for hand claw or hand rehabilitation training ware. When the capsular fingers are used as the paw, the five capsular fingers respectively simulate the functions of the thumb, the index finger, the middle finger, the ring finger and the little finger of the hand of a human body, when the capsular fingers are used as the hand rehabilitation trainer, one side of the palm center of the human finger is in contact with and fixed to the connecting surface 2 of the capsular fingers, the capsular fingers are inflated and deflated repeatedly, and are bent and straightened repeatedly, so that the human fingers are driven to be bent and straightened repeatedly, and the effect of passive rehabilitation training of the fingers is achieved.

In summary, the capsular finger of the present invention includes a corrugated structure and a connection surface 2, wherein the corrugated structure is provided with a plurality of protrusions 1, and the connection surface 2 is mounted on the corrugated structure to form a finger-shaped structure with a cavity inside. The capsule finger has the advantages of simple structure, easy sealing and low cost, can not cause the problems of damage to a gripped object, high running noise and the like when facing the gripping of the object, and has longer service life.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A capsular finger, comprising:

a corrugated structure having a plurality of protrusions disposed thereon; and

2. A capsule finger according to claim 1, characterised in that: the connecting surface is a wrinkled surface or a non-wrinkled surface.

3. A capsule finger according to claim 1, characterised in that: one end of the finger-shaped structure is closed, and the other end of the finger-shaped structure is provided with a first through hole.

4. A capsule finger according to claim 3, characterised in that: the first port is connected with an external device.

5. A capsule according to claim 4, wherein: the external device includes a pump or a palm template.

6. A capsule finger according to claim 1, characterised in that: the material of fold structure and connection face is elastic material.

7. A capsule finger according to claim 1, characterised in that: the finger-shaped structure is an integrally formed structure.

8. A capsule finger according to claim 1, characterised in that: the capsule is of a non-rotating body structure.

9. A capsular finger according to claim 2, further comprising:

a securing device mounted on the pleated face or non-pleated face.

10. A hand rehabilitation training device, characterized in that, hand rehabilitation training device includes:

at least one bladder finger mounted on the palm template.