CN204181749U - A kind of novel without externally energized prosthesis hands - Google Patents
A kind of novel without externally energized prosthesis hands Download PDFInfo
- Publication number
- CN204181749U CN204181749U CN201420579450.6U CN201420579450U CN204181749U CN 204181749 U CN204181749 U CN 204181749U CN 201420579450 U CN201420579450 U CN 201420579450U CN 204181749 U CN204181749 U CN 204181749U
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- dactylus
- flange disk
- hole
- bracing wire
- line bar
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Abstract
A kind of novel without externally energized prosthesis hands, belong to apparatus technical field of helping the disabled, comprise mechanical finger, palm holder and selection mechanism; Described mechanical finger comprises two or three dactylus, described dactylus is articulated and connected successively, last knucklejoint is on palm holder, the inside of dactylus bottom is provided with bracing wire, one end of described bracing wire is fixed on the inside of first dactylus bottom, the through hole that bracing wire can be made to pass through is provided with in the bottom of all the other one or two dactylus, the other end of bracing wire is successively through the through hole of dactylus bottom, and be connected to selection mechanism by the through hole of palm holder, the inside on dactylus top is provided with elastica; Described palm holder is provided with fixing band, and the power of digital flexion comes from the strength of palm, and selection mechanism can control the finger quantity bent.This utility model is worn comfortable, simple and reliable for structure, manipulation is simple, highly versatile, provide power by human arm strength, and without the need to external motive device, cost is low.
Description
Technical field:
This utility model belongs to apparatus technical field of helping the disabled, particularly a kind of people with disability novel without externally energized prosthesis hands being applicable to Toe Transplantation for Segmental Finger or all fingers disappearance.
Background technology:
Prosthetic hand is a kind of conventional apparatus of helping the disabled.In early stage in 20th century, western industrial developed country has carried out large-scale research to apparatus of helping the disabled and has achieved great progress, the prosthetic hand in west is mainly towards automatization and intelligentized future development, the action that its prosthetic hand product can realize is more, motility is strong, but its cost and price are all higher, complex structure and being easily out of order, maintenance all comparatively bothers.Domestic prosthetic hand research and development is comparatively slow, and product ubiquity of helping the disabled the problems such as the poor and poor practicability of poor universality, motility.Due to the small volume of prosthetic hand, so require high to the actuating unit on prosthetic hand, should meet the requirement that volume is little, meet high-power requirement again, cost also can improve thereupon.
Utility model content:
For solving prior art Problems existing, the utility model proposes a kind of by human arm strength provide power, structure reliable, wear the novel without externally energized prosthesis hands of comfortable and highly versatile.
For achieving the above object, this utility model by the following technical solutions: one is novel without externally energized prosthesis hands, comprises mechanical finger, palm holder and selection mechanism; Described mechanical finger comprises two or three dactylus, described dactylus is articulated and connected successively, last knucklejoint is on palm holder, the inside of dactylus bottom is provided with bracing wire, one end of described bracing wire is fixed on the inside of first dactylus bottom, the through hole that bracing wire can be made to pass through is provided with in the bottom of all the other one or two dactylus, the other end of bracing wire is successively through the through hole of dactylus bottom, and be connected to selection mechanism by the through hole of palm holder, the inside on dactylus top is provided with elastica; Described palm holder is provided with fixing band;
Described selection mechanism comprises forward flange disk, rear flange disk, baffle rings and line bar, described forward flange disk is flexibly connected with rear flange disk, ratchet is provided with between forward flange disk and rear flange disk, rear flange disk can one-directional rotation, described baffle rings is band breach annulus, it is arranged on rear flange disk, the front end connecting stay wire of described line bar, rear end is provided with the buckle matched with baffle rings, the through hole corresponding with line bar is provided with in forward flange disk, line bar is arranged in this through hole, the back-moving spring of line bar is provided with in through hole.
Describedly novelly also comprise cable buncher without externally energized prosthesis hands, described cable buncher is arranged between forward flange disk and palm holder, cable buncher is provided with bunch ring, is drawstring through bunch ring and is connected with line bar.
The Notch angle of described baffle rings is 45 °.
The finger outer setting of described first dactylus has rubber layer.
The beneficial effects of the utility model: wear comfortable, simple and reliable for structure, manipulation is simple, highly versatile, provide power by human arm strength, without the need to external motive device, cost is low.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is the sectional side view that Fig. 1 is arranged in human arm;
Fig. 3 is the structural representation of the selection mechanism of Fig. 1;
Fig. 4 is the structural representation after baffle rings of the present utility model, buckle and rear flange disk connect;
Wherein: 1-mechanical finger, 2-bracing wire, 3-palm holder, 4-forward flange disk, 5-rear flange disk, 6-baffle rings, 7-buckle, 8-cable buncher, 9-bunch ring, 10-line bar, 11-back-moving spring, 12-arm, 13-fixing band, 14-elastica, 15-ratchet, 16-rotational pin.
Detailed description of the invention:
Below in conjunction with drawings and Examples, this utility model is described in further details: as shown in Figure 1 to 4, a kind of novel without externally energized prosthesis hands, comprise mechanical finger 1, palm holder 3 and selection mechanism, described mechanical finger 1 comprises two or three dactylus, wherein thumb is two dactylus, other fingers are three dactylus, described dactylus is articulated and connected successively, last knucklejoint is on palm holder 3, between dactylus, the bottom of adjacent position is for band oblique angle structure is to ensure that each dactylus can bend smoothly, the inside of dactylus bottom is provided with bracing wire 2, one end of described bracing wire 2 is fixed on the inside of first dactylus bottom, the bottom of all the other one or two dactylus is provided with the through hole that bracing wire 2 can be made to pass through, the other end of bracing wire 2 is connected to selection mechanism through the through hole of dactylus and the through hole of palm holder 3 successively, the inside on dactylus top is provided with elastica 14, when bracing wire 2 does not exert a force, elastica 14 can by stretching for mechanical finger 1, described palm holder 3 is provided with the fixing band 13 for fixing palm,
Described selection mechanism comprises forward flange disk 4, rear flange disk 5, baffle rings 6 and line bar 10, forward flange disk 4 and rear flange disk 5 are flexibly connected by bearing and are provided with ratchet 15 between, rear flange disk 5 can one-directional rotation, described baffle rings 6 is band breach annulus, Notch angle is 45 °, it is arranged on rear flange disk 5, the front end connecting stay wire 2 of described line bar 10, rear end is provided with the buckle 7 matched with baffle rings 6, the through hole corresponding with line bar 10 is provided with in forward flange disk 4, line bar 10 is arranged in this through hole, the back-moving spring 11 matched with line bar 10 is also provided with in through hole.
Describedly novelly also comprise cable buncher 8 without externally energized prosthesis hands, described cable buncher 8 is arranged on the arm between forward flange disk 4 and palm holder 3, cable buncher 8 is provided with bunch ring 9, and bracing wire 2 is connected with line bar 10 through bunch ring 9.
Different according to the situation of disabled, this utility model can arrange arbitrarily the quantity of mechanical finger 1, in the present embodiment, supposes that all fingers of people using prosthetic hand of the present utility model have all lacked.
First palm holder 3 is needed to be arranged on palm by fixing band 13, then cable buncher 8 and forward and backward flange disk are separately fixed on arm 12, the neat of bracing wire 2 is noted in fixation procedure, when fixing forward and backward flange disk, palm upwards lifts about 60 degree, fixes forward and backward flange disk under mechanical finger 1 is in straight configuration.
Rotational pin 16 is arranged on rear flange disk 5, the breach of baffle rings 6 can be made to rotate by rotary motion pin 16, and 45 ° of breach of baffle rings 6 can make one or two buckle 7 can not be blocked by baffle rings 6.When needs mechanical finger 1 captures object or does click action, the power bending by pronation pulls bracing wire 2, mechanical finger 1 corresponding to the buckle 7 that baffle rings 6 is blocked can do corresponding flexure operation, mechanical finger 1 corresponding to the buckle 7 do not blocked by baffle rings 6 then can not bend, thus different hand motions can be made, if need whole mechanical finger 1 all bending, then need to block whole buckles 7 by baffle rings 6.There is rubber layer in the finger outer setting of first dactylus of mechanical finger 1, add frictional force, contribute to grabbing object.
Claims (4)
1. novel without an externally energized prosthesis hands, it is characterized in that: comprise mechanical finger, palm holder and selection mechanism; Described mechanical finger comprises two or three dactylus, described dactylus is articulated and connected successively, last knucklejoint is on palm holder, the inside of dactylus bottom is provided with bracing wire, one end of described bracing wire is fixed on the inside of first dactylus bottom, the through hole that bracing wire can be made to pass through is provided with in the bottom of all the other one or two dactylus, the other end of bracing wire is successively through the through hole of dactylus bottom, and be connected to selection mechanism by the through hole of palm holder, the inside on dactylus top is provided with elastica; Described palm holder is provided with fixing band;
Described selection mechanism comprises forward flange disk, rear flange disk, baffle rings and line bar, described forward flange disk is flexibly connected with rear flange disk, ratchet is provided with between forward flange disk and rear flange disk, rear flange disk can one-directional rotation, described baffle rings is band breach annulus, it is arranged on rear flange disk, the front end connecting stay wire of described line bar, rear end is provided with the buckle matched with baffle rings, the through hole corresponding with line bar is provided with in forward flange disk, line bar is arranged in this through hole, the back-moving spring of line bar is provided with in through hole.
2. according to claim 1 novel without externally energized prosthesis hands, it is characterized in that: also comprise cable buncher, described cable buncher is arranged between forward flange disk and palm holder, cable buncher is provided with bunch ring, is drawstring through bunch ring and is connected with line bar.
3. according to claim 1 novel without externally energized prosthesis hands, it is characterized in that: the Notch angle of described baffle rings is 45 °.
4. according to claim 1 novel without externally energized prosthesis hands, it is characterized in that: the finger outer setting of described first dactylus has rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579450.6U CN204181749U (en) | 2014-09-30 | 2014-09-30 | A kind of novel without externally energized prosthesis hands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579450.6U CN204181749U (en) | 2014-09-30 | 2014-09-30 | A kind of novel without externally energized prosthesis hands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204181749U true CN204181749U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579450.6U Active CN204181749U (en) | 2014-09-30 | 2014-09-30 | A kind of novel without externally energized prosthesis hands |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204181749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306086A (en) * | 2014-09-30 | 2015-01-28 | 东北大学 | Novel prosthetic hand without external power |
| CN104997579A (en) * | 2015-07-30 | 2015-10-28 | 沈阳工业大学 | Intelligent electrical prosthetic hand with high-precision small line-pull control system |
| CN106880426A (en) * | 2017-04-02 | 2017-06-23 | 徐荣华 | A kind of artificial limb manipulator |
-
2014
- 2014-09-30 CN CN201420579450.6U patent/CN204181749U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306086A (en) * | 2014-09-30 | 2015-01-28 | 东北大学 | Novel prosthetic hand without external power |
| CN104997579A (en) * | 2015-07-30 | 2015-10-28 | 沈阳工业大学 | Intelligent electrical prosthetic hand with high-precision small line-pull control system |
| CN106880426A (en) * | 2017-04-02 | 2017-06-23 | 徐荣华 | A kind of artificial limb manipulator |
| CN106880426B (en) * | 2017-04-02 | 2018-05-29 | 中国人民解放军第四军医大学 | A kind of artificial limb manipulator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |