CN215080314U - Thumb structure of bionic hand - Google Patents
Thumb structure of bionic hand Download PDFInfo
- Publication number
- CN215080314U CN215080314U CN202121517300.9U CN202121517300U CN215080314U CN 215080314 U CN215080314 U CN 215080314U CN 202121517300 U CN202121517300 U CN 202121517300U CN 215080314 U CN215080314 U CN 215080314U
- Authority
- CN
- China
- Prior art keywords
- layer
- fingertip
- bionic hand
- surface layer
- thumb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000003813 thumb Anatomy 0.000 title claims abstract description 31
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 239000006260 foam Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 48
- 239000002344 surface layer Substances 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
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- Prostheses (AREA)
- Rehabilitation Tools (AREA)
Abstract
The utility model discloses a thumb structure of bionic hand, including driving motor, swing piece, bevel gear drive assembly, fingertip structure and protection surface course, the utility model discloses be provided with the protection surface course to fingertip structure bottom position in swing piece bottom, the protection surface course can protect both ends active position, contact surface course and active position in the protection surface course inside paste, are fixed by gluing the strip, are equipped with foam blanket and silica gel layer respectively at contact surface course bottom, and cushioning nature, energy-absorbing nature are strong, are convenient for protect the active position when receiving external force; a transmission structure is arranged in the fingertip structure, the transmission structure is driven by an independent motor, and the pressing block at the fingertip position can swing under the driving of the transmission structure, so that the object can be more conveniently grabbed; the briquetting bottom is equipped with the contact block, and the contact block is inside to be equipped with the rubber layer, has the cushioning effect to and the rubber layer bottom is equipped with the inoxidizing coating that high strength fiber woven, can cooperate the rubber layer to provide stable frictional force when contacting the article, prevents the skew.
Description
Technical Field
The utility model particularly relates to a thumb structure of bionic hand relates to the relevant field of bionic hand.
Background
The bionic hand is still a new and popular product as a main means for solving the problem of self-care after amputation of patients, the types of products on the market are different, the industry has no clear requirements and standards for the products, five groups of finger assemblies need to be installed on the bionic hand, and the thumb structure is also indispensable.
Carry out the in-service use at the thumb structure of current bionic hand, thumb joint active position is less, and stability is lower when leading to snatching to for the active position is exposing mostly, receive external force to cause the damage easily, influence the use.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a thumb structure of bionic hand here.
The utility model discloses a realize like this, construct the thumb structure of a bionic hand, the device includes driving motor, the driving motor output meets with the swing piece, driving motor one end meets with the connecting rod through bevel gear drive assembly, the bevel gear drive assembly other end is connected with driving motor, the connecting rod other end is connected with the fingertip structure, swing piece and fingertip structure bottom meet with the protective surface layer, the fingertip structure includes transmission structure, connecting block, bellows, briquetting and contact block, transmission structure rear end is articulated with the swing piece, it is articulated mutually with the connecting rod through the connecting block in transmission structure top, the transmission structure front end meets with the briquetting through the bellows, the briquetting bottom is equipped with contact block.
Preferably, the transmission structure includes casing, step motor, rolling wheel, stretching strap and swing arm, step motor is installed to the rear end in the casing, the step motor output shaft meets with the rolling wheel, the rolling wheel outside is connected with the stretching strap, the stretching strap other end is fixed with the interior rear end of clamp block, rear end middle part is articulated through swing arm and casing inboard in the clamp block.
Preferably, the contact block comprises a connecting layer, an inserting rod, a rubber layer and a protective layer, the inserting rod is fixed at the rear end of the connecting layer, the back of the inserting rod is connected with the pressing block, and the front end of the connecting layer is connected with the protective layer through the rubber layer.
Preferably, the protection surface course includes the contact surface layer, glues glutinous strip, foam blanket and silica gel layer, contact surface layer top and swing piece and fingertip structure bottom laminate mutually, glue glutinous strip and locate contact surface layer both ends to contact surface layer top bonds with swing piece and fingertip structure bottom, the laminating of contact surface layer bottom has the foam blanket, the foam blanket bottom is fixed with the silica gel layer.
Preferably, the bellows has a maximum stretched length of three times that of the unstretched state.
Preferably, two groups of slots are formed in the lower end of the pressing block, and the inserted rod is tightly inserted into the slots.
Preferably, the draw tape has elasticity, and the draw tape width is less than rolling wheel thickness.
Preferably, the protective layer is formed by interweaving high-strength fibers, and the protective layer is fixed at the bottom of the rubber layer.
Preferably, the corrugated pipe is made of PVC plastic.
Preferably, the briquetting adopts stainless steel material.
The utility model has the advantages of as follows: the utility model discloses an improve and provide a thumb structure of imitative hand here, compare with equipment of the same type, have following improvement:
the utility model relates to a thumb structure of bionic hand, is provided with the protection surface course to fingertip structure bottom position in swing piece bottom, and the protection surface course can protect both ends active position, and the contact surface course in the protection surface course is pasted with the active position, is fixed by gluing the strip, is equipped with foam blanket and silica gel layer respectively bottom the contact surface course, and the cushioning nature, energy-absorbing nature are strong, are convenient for protect the active position when receiving external force; a transmission structure is arranged in the fingertip structure, the transmission structure is driven by an independent motor, and the pressing block at the fingertip position can swing under the driving of the transmission structure, so that the object can be more conveniently grabbed; the briquetting bottom is equipped with the contact block, and the contact block is inside to be equipped with the rubber layer, has the cushioning effect to and the rubber layer bottom is equipped with the inoxidizing coating that high strength fiber woven, can cooperate the rubber layer to provide stable frictional force when contacting the article, prevents the skew.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the fingertip structure of the present invention;
FIG. 3 is an internal schematic view of the transmission structure of the present invention;
fig. 4 is a schematic view of the contact block structure of the present invention;
fig. 5 is a schematic view of the structure of the protective surface layer of the present invention.
Wherein: the device comprises a driving motor-1, a swinging piece-2, a bevel gear transmission component-3, a connecting rod-4, a fingertip structure-5, a driving motor-6, a protective surface layer-7, a transmission structure-51, a connecting block-52, a corrugated pipe-53, a pressing block-54, a contact block-55, a shell-511, a stepping motor-512, a winding wheel-513, a pull belt-514, a swinging arm-515, a connecting layer-551, an inserting rod-552, a rubber layer-553, a protective layer-554, a contact surface layer-71, a sticky strip-72, a foam layer-73 and a silica gel layer-74.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, the present invention provides a thumb structure of a bionic hand through an improvement, which includes a driving motor 1, an output end of the driving motor 1 is connected to a swinging member 2, one end of the driving motor 1 is connected to a connecting rod 4 through a bevel gear transmission component 3, the other end of the bevel gear transmission component 3 is connected to a driving motor 6, the other end of the connecting rod 4 is connected to a fingertip structure 5, and the bottoms of the swinging member 2 and the fingertip structure 5 are connected to a protective surface layer 7.
Please refer to fig. 2, the utility model provides a thumb structure of bionic hand here through the improvement, fingertip structure 5 includes transmission structure 51, connecting block 52, bellows 53, briquetting 54 and contact piece 55, transmission structure 51 rear end is articulated with swinging piece 2, transmission structure 51 top is articulated mutually through connecting block 52 and connecting rod 4, transmission structure 51 front end meets with briquetting 54 through bellows 53, briquetting 54 bottom is equipped with contact piece 55, bellows 53 maximum tensile length is the triple under the not tensile state, deformation is effectual, the cover is stable, bellows 53 adopts PVC plastics material, high strength, strong durability, two sets of slots have been seted up to the lower extreme in the briquetting 54, and inserted bar 552 closely inserts inside the slot, easy dismounting, it is swift, briquetting 54 adopts stainless steel material, prevent that long-term use from leading to the rusty.
Please refer to fig. 3, the utility model provides a thumb structure of bionic hand here through the improvement, transmission structure 51 includes casing 511, step motor 512, wind-up wheel 513, stretching strap 514 and swing arm 515, step motor 512 is installed to the rear end in the casing 511, step motor 512 output shaft meets with wind-up wheel 513, the wind-up wheel 513 outside is connected with stretching strap 514, the stretching strap 514 other end is fixed with briquetting 54 inside rear end, rear end middle part is articulated with casing 511 inboard through swing arm 515 in the briquetting 54, stretching strap 514 has elasticity, and stretching strap 514 width is less than wind-up wheel 513 thickness, be convenient for carry out effectual reseing.
Referring to fig. 4, the present invention provides a thumb structure of a bionic hand by improving the thumb structure, the contact block 55 includes a connection layer 551, an insertion rod 552, a rubber layer 553 and a protection layer 554, the insertion rod 552 is fixed at the rear end of the connection layer 551, the back of the insertion rod 552 is connected with the press block 54, the front end of the connection layer 551 is connected with the protection layer 554 through the rubber layer 553, the protection layer 554 is formed by interlacing and weaving high strength fibers, and the protection layer 554 is fixed at the bottom of the rubber layer 553, and the friction force is large and stable.
Please refer to fig. 5, the utility model provides a thumb structure of bionic hand here through the improvement, protective surface layer 7 includes contact surface layer 71, glues glutinous strip 72, foam layer 73 and silica gel layer 74, contact surface layer 71 top and swing 2 and 5 bottoms of fingertip structure are laminated mutually, glue glutinous strip 72 and locate contact surface layer 71 both ends to contact surface layer 71 top and swing 2 and 5 bottoms of fingertip structure bond, contact surface layer 71 bottom laminating has foam layer 73, foam layer 73 bottom is fixed with silica gel layer 74.
The utility model provides a thumb structure of a bionic hand through improvement, and the working principle is as follows;
firstly, when the thumb structure needs to be used, the driving motor 1 is installed on the palm of the bionic hand, and then is connected with the thumb structure through a connecting wire, so that the required electric energy can be provided for the work of the thumb structure, and the thumb structure can be effectively controlled;
secondly, starting the driving motor 1 to start working, driving the swinging piece 2 to swing, and starting the driving motor 6 to work to drive the bevel gear transmission component 3 to rotate if the front end fingertip structure 5 needs to be driven to move, and then pulling the fingertip structure 5 through the connecting rod 4;
thirdly, when the fingertip position at the front end of the fingertip structure 5 needs to be swung, a user starts the stepping motor 512 to work, the stepping motor 512 drives the winding wheel 513 to rotate, then the pull belt 514 moves in the rotating process of the winding wheel 513, the pressing block 54 can be pulled, and when the resetting is needed, the stepping motor 512 is only started to rotate reversely, and the pressing block 54 is reset under the elastic action of the pull belt 514;
fourthly, a contact block 55 is arranged at the bottom of the pressing block 54, a rubber layer 553 is arranged in the contact block 55 and has a buffering function, and a protective layer 554 which is formed by weaving high-strength fibers is arranged at the bottom of the rubber layer 553 and can provide stable friction force to prevent deviation by matching with the rubber layer 553 when contacting objects;
fifthly, the bottom of the swinging piece 2 is provided with a protective surface layer 7 to the bottom of the fingertip structure 5, the protective surface layer 7 can protect the moving positions at two ends, a contact surface layer 71 inside the protective surface layer 7 is attached to the moving positions, the contact surface layer is fixedly connected with a sticky strip 72, a foam layer 73 and a silica gel layer 74 are respectively arranged at the bottom of the contact surface layer 71, the cushioning property is good, the energy absorption property is strong, and the moving positions can be protected conveniently when external force is applied.
The utility model provides a thumb structure of a bionic hand through improvement, a protective surface layer 7 is arranged from the bottom of a swinging piece 2 to the bottom of a fingertip structure 5, the protective surface layer 7 can protect the moving positions at two ends, a contact surface layer 71 inside the protective surface layer 7 is adhered to the moving positions and is fixed by an adhesive strip 72, a foam layer 73 and a silica gel layer 74 are respectively arranged at the bottom of the contact surface layer 71, the buffering performance is good, the energy absorption performance is strong, and the moving positions can be protected conveniently when being subjected to external force; a transmission structure 51 is arranged in the fingertip structure 5, the transmission structure 51 is driven by an independent motor, and the pressing block 54 at the fingertip position can swing under the driving, so that the moving position is increased, and the object can be more conveniently grabbed; the contact block 55 is provided at the bottom of the press block 54, the rubber layer 553 is provided inside the contact block 55 to have a buffering function, and the protective layer 554 of high strength fiber weave is provided at the bottom of the rubber layer 553 to provide a stable friction force against deflection in cooperation with the rubber layer 553 when contacting an object.
Claims (8)
1. The thumb structure of the bionic hand comprises a driving motor (1), wherein the output end of the driving motor (1) is connected with a swinging piece (2), one end of the driving motor (1) is connected with a connecting rod (4) through a bevel gear transmission component (3), and the other end of the bevel gear transmission component (3) is connected with a driving motor (6);
the method is characterized in that: still include fingertip structure (5) and protective surface layer (7), the connecting rod (4) other end is connected with fingertip structure (5), swing piece (2) and fingertip structure (5) bottom meet with protective surface layer (7), fingertip structure (5) are including drive structure (51), connecting block (52), bellows (53), briquetting (54) and contact piece (55), drive structure (51) rear end is articulated with swing piece (2), drive structure (51) top is articulated mutually with connecting rod (4) through connecting block (52), drive structure (51) front end passes through bellows (53) and meets with briquetting (54), briquetting (54) bottom is equipped with contact piece (55).
2. The thumb structure of a bionic hand according to claim 1, wherein: drive structure (51) include casing (511), step motor (512), rolling wheel (513), stretching strap (514) and swing arm (515), step motor (512) are installed to the rear end in casing (511), step motor (512) output shaft meets with rolling wheel (513), the rolling wheel (513) outside is connected with stretching strap (514), the rear end is fixed in stretching strap (514) other end and briquetting (54), rear end middle part is passed through swing arm (515) and is articulated with casing (511) inboard in briquetting (54).
3. The thumb structure of a bionic hand according to claim 2, wherein: the contact block (55) comprises a connecting layer (551), an insert rod (552), a rubber layer (553) and a protective layer (554), wherein the insert rod (552) is fixed at the rear end of the connecting layer (551), the back surface of the insert rod (552) is connected with the pressing block (54), and the front end of the connecting layer (551) is connected with the protective layer (554) through the rubber layer (553).
4. The thumb structure of a bionic hand according to claim 1, wherein: protection surface layer (7) include contact surface layer (71), glue glutinous strip (72), foam layer (73) and silica gel layer (74), contact surface layer (71) top is laminated with swing piece (2) and fingertip structure (5) bottom, glue glutinous strip (72) and locate contact surface layer (71) both ends to contact surface layer (71) top bonds with swing piece (2) and fingertip structure (5) bottom, the laminating of contact surface layer (71) bottom has foam layer (73), foam layer (73) bottom is fixed with silica gel layer (74).
5. The thumb structure of a bionic hand according to claim 1, wherein: the bellows (53) has a maximum stretched length of three times that of the unstretched state.
6. The thumb structure of a bionic hand according to claim 3, wherein: two groups of slots are formed in the lower end of the pressing block (54), and the inserting rod (552) is tightly inserted into the slots.
7. The thumb structure of a bionic hand according to claim 2, wherein: the drawing belt (514) is elastic, and the width of the drawing belt (514) is smaller than the thickness of the winding wheel (513).
8. The thumb structure of a bionic hand according to claim 3, wherein: the protective layer (554) is formed by interweaving high-strength fibers, and the protective layer (554) is fixed at the bottom of the rubber layer (553).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517300.9U CN215080314U (en) | 2021-07-05 | 2021-07-05 | Thumb structure of bionic hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517300.9U CN215080314U (en) | 2021-07-05 | 2021-07-05 | Thumb structure of bionic hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215080314U true CN215080314U (en) | 2021-12-10 |
Family
ID=79313764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121517300.9U Expired - Fee Related CN215080314U (en) | 2021-07-05 | 2021-07-05 | Thumb structure of bionic hand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215080314U (en) |
-
2021
- 2021-07-05 CN CN202121517300.9U patent/CN215080314U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |