CN102885662B - Continuous flexible toe joint based on whole sole - Google Patents
Continuous flexible toe joint based on whole sole Download PDFInfo
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- CN102885662B CN102885662B CN201210410366.7A CN201210410366A CN102885662B CN 102885662 B CN102885662 B CN 102885662B CN 201210410366 A CN201210410366 A CN 201210410366A CN 102885662 B CN102885662 B CN 102885662B
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- toe joint
- continuous flexible
- overall sole
- motor
- sole
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Abstract
The invention relates to a continuous flexible toe joint based on a whole sole. The continuous flexible toe joint comprises a motor fixedly connected to the whole sole, the output end of the motor is connected with a connecting rod through a sliding pair, and the other end of the connecting rod is fixedly connected with a pressing block. The continuous flexible toe joint has the advantages of high movement coherence, capability of being independently installed or replaced and capability of providing continuous flexible power for movement of a shank of a user, and can be widely applied to various prosthetic feet.
Description
Technical field
The present invention relates to a kind of below-knee prosthesis, particularly a kind of continuous flexible toe joint based on overall sole.
Background technology
Along with the increase of various natural disasters, disease and vehicle accident, individuals with disabilities's increasing year by year, the demand of artificial limb also increases day by day.Toe joint is activity position the most frequently in human motion, is also main force part of when motion, and especially landing at human body is in a flash the position landing at first, and it has larger elasticity and cushioning effect, also for the motion of shank provides flexible dynamic.If do not have toe joint in the below-knee prosthesis that people with disability uses, people with disability not only can not realize a lot of actions in motor process so, and the inadequate harmonizing nature of gait, has also reduced energy efficiency when walking.Multiformity and the naturality of the energy efficiency while moving in order to improve and increase motion, the below-knee prosthesis that contains toe joint becomes the new demand of user.Be a kind of toe joint of the disconnection sole based on sole and the disconnection of toe position with the below-knee prosthesis of toe joint at present, and the structure of this sole breakaway-element make the continuity of motion good not.
For the problems referred to above, the applicant provides a kind of overall sole 1(to apply for patent of invention simultaneously), as shown in Figure 3, entirety sole 1 comprises a upper sole 11 being inclined to set, the middle part of upper sole 11 has lower arching, one heel shell fragment 12 is set below upper sole 11, and the front portion of heel shell fragment 12 is fixedly connected on the middle part of sole 11 bottom surfaces, between the rear portion of heel shell fragment 12 and upper sole 11, leaves elasticity activity space.As shown in Figure 4, the applicant also provides another kind of overall sole 1, and it only comprises a sole, and the middle part of sole has higher arching.Can be sole and toe split movement and how to arrange one on overall sole, and can be the problem that the present invention need to solve for different kinestates provides the toe joint of continuous flexible.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of good continuous flexible toe joint based on overall sole of continuity of motion.
For achieving the above object, the present invention takes following technical scheme: a kind of continuous flexible toe joint based on overall sole, it is characterized in that: it comprises the motor being fixedly connected on overall sole, the outfan of described motor is by the hinged connecting rod of a sliding pair, the other end of the described connecting rod briquetting that is fixedly hinged.
Described motor is fixedly connected on described overall sole by a bearing.
The shape of described briquetting is cylindrical or spherical.
Described sliding pair comprises the leading screw by described driven by motor, and one connects the thick stick nut of described leading screw silk, and one is fixedly connected with described feed screw nut's slide block, the hinged described connecting rod of described slide block.
Described sliding pair comprises that described bevel gear engages another bevel gear by a bevel gear of described driven by motor, the coaxial gear that connects of the outfan of bevel gear described in this, and described gear engages with the tooth bar of a connection sliding block, the hinged described connecting rod of described slide block.
The output shaft of described motor and described link motion direction are vertically arranged on described overall sole, and described sliding pair comprises a gear that is connected to described motor output end, and described gear engages with the tooth bar of a connection sliding block, the hinged described connecting rod of described slide block.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to being provided with a motor on overall sole, motor drives a connecting rod by a sliding pair, connect a briquetting that can move continuously by connecting rod between two kinds of limit holding states, therefore the present invention can be according to the taste of the kinestate of human body or user, regulate the different holding states of briquetting, for the motion of shank provides needed flexible degree, thereby make the motion continuity of user better, activity more freely.2, the present invention is owing to being provided with a motor as independent power source on overall sole, the variation of contact point by driving briquetting and overall sole in limit state a and b scope, the contact point that is to say toe joint and overall sole is continuous, thereby makes the also difference along with the position of briquetting of maximum distortion of the sole front end of overall sole; Therefore not only realize the power that continuous flexible is provided for the shank of user, and can adapt to the demand of different crowd toe joint bionic movement.3, the present invention is because briquetting can move continuously between two kinds of limit holding states, therefore in the time that briquetting moves to the rear end of sole, user can feel that sole has better flexibility, and perk sole moves forward more easily, make user feel when walking lighter, comfortable; And in the time that briquetting moves to the front end of sole, user can feel that sole is harder, and then can put aside more kinergety, then be released in subsequent motion.4, the present invention due to using the whole toe joints including power source, drive mechanism and actuator as an integral installation on overall sole, therefore install or change very convenient.The present invention has advantages of that motion continuity is good, can independently install or change, can provide continuous flexible power for the shank motion of user, can be widely used in the middle of various foot artificial limbs.
Brief description of the drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the schematic diagram of the another kind of duty of the present invention
Fig. 3 is a kind of structural representation of overall sole
Fig. 4 is the structural representation of another kind of overall sole
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention includes the motor 2 being fixedly installed on overall sole 1, motor 2 drives a leading screw 4 to rotate by a shaft coupling 3, on leading screw 4, connect a feed screw nut 5, the outer ring of feed screw nut 5 is fixedly connected with a slide block 6, the hinged connecting rod 7 of slide block 6, the hinged briquetting 8 of the other end of connecting rod 7.
In above-described embodiment, motor 2 can be fixedly connected on overall sole 1 by a bearing 9.
In above-described embodiment, the shape of briquetting 8 can cylindrical, spherical or other shape.
In above-described embodiment, the sliding pair that motor 2 consists of leading screw 4, feed screw nut 5 and slide block 6, is to move forward and backward in order to promote connecting rod 7.Sliding pair can be also the bevel gear being driven by motor 2, bevel gear engages another bevel gear, the coaxial gear that connects of outfan of this another bevel gear, and this gear engages with the tooth bar of a connection sliding block 6, slide block 6 connects connecting rod 7, and then promotion connecting rod 7 moves forward and backward.The output shaft of motor 2 and connecting rod 7 directions of motion are vertically arranged on overall sole 1, now sliding pair can also be a gear that is connected to motor 2 outfans, this gear engages with the tooth bar of a connection sliding block 6, and slide block 6 connects connecting rod 7, and then promotion connecting rod 7 moves forward and backward.
When the present invention works, motor 2 drives the slide block 6 of sliding pair to move forward by shaft coupling 3, is connected to connecting rod 7 on slide block 6 and promotes briquetting 8 and move at overall sole 1 front end, and the present invention is changed continuously in the scope of limit state a and limit state b.As shown in Figure 1, when the present invention is operated in limit state a, the flexibility ratio of overall sole 1 is large while being operated in limit state b, is suitable for user walking speed when slower; Dotted line in figure is the front end of overall sole 1 maximum distortion in the time of limit state a.As shown in Figure 2, when the present invention is operated in limit state b, the flexibility ratio of overall sole 1 is little while being operated in limit state a, and the maximum distortion of the front end of overall sole 1 also reduces (as shown in the dotted line in figure), is suitable for user walking speed when very fast.Also the contact point that is the present invention and overall sole 1 is continually varying, thereby makes the also difference along with the position of briquetting 8 of maximum distortion of the front end of overall sole 1; Therefore, the present invention can adapt to the demand of different crowd toe joint bionic movement.
The various embodiments described above are only for illustrating the present invention, and wherein structure, the connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (5)
1. the continuous flexible toe joint based on overall sole, is characterized in that: it comprises the motor being fixedly connected on overall sole, and the outfan of described motor is by the hinged connecting rod of a sliding pair, the other end of the described connecting rod briquetting that is fixedly hinged; The shape of described briquetting is cylindrical or spherical; Described connecting rod promotes described briquetting and moves at described overall sole front end, and the described continuous flexible toe joint based on overall sole is changed continuously within the scope of limit state, and the contact point of continuous flexible toe joint and overall sole is continuous.
2. a kind of continuous flexible toe joint based on overall sole as claimed in claim 1, is characterized in that: described motor is fixedly connected on described overall sole by a bearing.
3. a kind of continuous flexible toe joint based on overall sole as claimed in claim 1 or 2, it is characterized in that: described sliding pair comprises the leading screw by described driven by motor, one connects the feed screw nut of described leading screw, one is fixedly connected with the slide block of described feed screw nut, the hinged described connecting rod of described slide block.
4. a kind of continuous flexible toe joint based on overall sole as claimed in claim 1 or 2, it is characterized in that: described sliding pair comprises the bevel gear by described driven by motor, described bevel gear engages another bevel gear, the coaxial gear that connects of the outfan of another bevel gear described in this, described gear engages with the tooth bar of a connection sliding block, the hinged described connecting rod of described slide block.
5. a kind of continuous flexible toe joint based on overall sole as claimed in claim 1 or 2, it is characterized in that: the output shaft of described motor and described link motion direction are vertically arranged on described overall sole, described sliding pair comprises a gear that is connected to described motor output end, described gear engages with the tooth bar of a connection sliding block, the hinged described connecting rod of described slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410366.7A CN102885662B (en) | 2012-10-24 | 2012-10-24 | Continuous flexible toe joint based on whole sole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410366.7A CN102885662B (en) | 2012-10-24 | 2012-10-24 | Continuous flexible toe joint based on whole sole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102885662A CN102885662A (en) | 2013-01-23 |
| CN102885662B true CN102885662B (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210410366.7A Active CN102885662B (en) | 2012-10-24 | 2012-10-24 | Continuous flexible toe joint based on whole sole |
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| Country | Link |
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| CN (1) | CN102885662B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111671624B (en) * | 2020-06-22 | 2021-08-27 | 山东大学 | Wearable metatarsophalangeal joint walking power assisting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1532026A1 (en) * | 1988-04-12 | 1989-12-30 | Институт Механики Ан Усср | Artificial foot |
| US6007582A (en) * | 1996-03-29 | 1999-12-28 | Ortho Europe Limited | Prosthetic foot with means for energy storage and release |
| RU2163792C1 (en) * | 1999-06-21 | 2001-03-10 | Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" им. С.П. Королева" | Foot prosthesis |
| DE102004062957A1 (en) * | 2004-12-28 | 2006-07-06 | Müller-Mahn, Werner | Controllable dynamic artificial foot for leg amputees comprises a round flat electric motor with a lateral drive wheel and fixed to a flat head plate |
| CN101569567A (en) * | 2008-02-07 | 2009-11-04 | 奥托·博克保健有限公司 | Orthopaedic foot component and method for controlling an artificial foot |
| CN101912320A (en) * | 2010-08-24 | 2010-12-15 | 北京大学 | Dynamic below-knee artificial limb containing flexible dynamic ankle joints and toe joints |
-
2012
- 2012-10-24 CN CN201210410366.7A patent/CN102885662B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1532026A1 (en) * | 1988-04-12 | 1989-12-30 | Институт Механики Ан Усср | Artificial foot |
| US6007582A (en) * | 1996-03-29 | 1999-12-28 | Ortho Europe Limited | Prosthetic foot with means for energy storage and release |
| RU2163792C1 (en) * | 1999-06-21 | 2001-03-10 | Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" им. С.П. Королева" | Foot prosthesis |
| DE102004062957A1 (en) * | 2004-12-28 | 2006-07-06 | Müller-Mahn, Werner | Controllable dynamic artificial foot for leg amputees comprises a round flat electric motor with a lateral drive wheel and fixed to a flat head plate |
| CN101569567A (en) * | 2008-02-07 | 2009-11-04 | 奥托·博克保健有限公司 | Orthopaedic foot component and method for controlling an artificial foot |
| CN101912320A (en) * | 2010-08-24 | 2010-12-15 | 北京大学 | Dynamic below-knee artificial limb containing flexible dynamic ankle joints and toe joints |
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| Publication number | Publication date |
|---|---|
| CN102885662A (en) | 2013-01-23 |
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