CN105769394A - Four-bar linkage knee joint mechanism - Google Patents
Four-bar linkage knee joint mechanism Download PDFInfo
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- CN105769394A CN105769394A CN201410792879.8A CN201410792879A CN105769394A CN 105769394 A CN105769394 A CN 105769394A CN 201410792879 A CN201410792879 A CN 201410792879A CN 105769394 A CN105769394 A CN 105769394A
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- mounting seat
- knee joint
- bar linkage
- joint mechanism
- flakes
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Abstract
The invention discloses a four-bar linkage knee joint mechanism which comprises a lower support and an upper support, wherein a first upper installation base and a first lower installation base are disposed on the upper support respectively; a second upper installation base and a second lower installation base are disposed on the lower support respectively; middle connecting rods are installed on inner sides of the first upper installation base and the second upper installation base; and a left outer connecting plate and a right outer connecting plate are installed on both sides outside the first lower installation base and the second lower installation base respectively. The four-bar linkage knee joint mechanism disclosed by the invention is characterized in that the four-bar linkage knee joint mechanism takes the place of a knee joint of a wounded person to carry out lower limb motion. The mechanism has the advantages that structural assembly is simple; the mechanism can move flexibly; and the mechanism is suitable for patients.
Description
Technical field
The present invention relates to a kind of four bar linkage knee joint mechanism, belong to human body prostheses component technical field.
Background technology
Knee joint is that human body is maximum and structure is the most complicated, the joint that damage chance is also more.For this point, the kneed medical apparatus and instruments that the many wounded of replacement of respective design damage.nullThe artificial limb exoskeleton knee joint in a kind of rehabilitative engineering technology field disclosed in Chinese Patent Application No. 200810034001.2,Including servomotor、Drive mechanism、Quadric chain,Quadric chain includes thigh ectoskeleton、Shank ectoskeleton、Back link、Worm gear,Drive mechanism includes driving gear、Driven gear and worm screw,Thigh ectoskeleton includes two boards,Inside and outside the fixing thigh ectoskeleton of servomotor in the middle of two plates,The output shaft of driving gear and servomotor is affixed,And and driven gear engagement,Driven gear is arranged on the axle head of worm screw,Worm screw is fixed between the ectoskeletal two boards of thigh,Worm and wheel is meshed,The other end and the shank ectoskeleton of worm gear are connected by bearing,The center of rotation of worm gear is connected by support axle and the thigh ectoskeleton of worm gear,Back link and thigh ectoskeleton、The ectoskeletal support axle of shank connects.Apparatus of the present invention compact conformation, whole drive system is all placed in inside two lower limb ectoskeletons, it is possible to protection patient is not by the impact of frame for movement.But technique scheme, structure is complex, it is more difficult to safeguard.
Summary of the invention
(1) to solve the technical problem that
For solving the problems referred to above, the present invention proposes a kind of four bar linkage knee joint mechanism, and combination is flexible, and sound construction is beneficial to knee joint injury patient and carries out lower extremity movement.
(2) technical scheme
The four bar linkage knee joint mechanism of the present invention, including lower carriage and upper bracket；Described upper bracket is respectively arranged with on first mounting seat and first time mounting seat；Described lower carriage is respectively arranged with on second mounting seat and second time mounting seat；Mounting seat and second is provided with inside mounting seat on described first middle connecting rod；Described first time mounting seat and second time mounting seat both sides external be separately installed with left outside in flakes with the right side outside in flakes.
Further, described sub-mount frontside is provided with the 3rd mounting seat；Described 3rd mounting seat has lower carriage activity template by activity template screw rod pressing.
Further, described upper bracket side gum application reel connects pogo barrel；It is provided with spring inside described pogo barrel；Spring top mother it is provided with on front side of described spring.
Further, mounting seat and second is separately installed with upper bracket axle and lower carriage axle inside mounting seat on described first；Described upper bracket axle and lower carriage axle arranged outside have axle sleeve.
Further, described left outside installation is coordinated by screw rod in flakes with first time mounting seat and second time mounting seat in flakes with outside the right side in flakes.
(3) beneficial effect
The four bar linkage knee joint mechanism of the present invention, utilizes four bar linkage knee joint mechanism to replace the knee joint of the wounded to carry out the motion of lower limb, and structure assembles simple, and motion is got up flexibly, is suitable for patient and uses.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of the present invention；
Fig. 2 is the package assembly schematic diagram of the present invention.
Detailed description of the invention
A kind of four bar linkage knee joint mechanism as depicted in figs. 1 and 2, including upper bracket 1 and lower carriage 2；Described upper bracket 1 is respectively arranged with on first mounting seat 3 and first time mounting seat 4；Described lower carriage 2 is respectively arranged with on second mounting seat 5 and second time mounting seat 6；Mounting seat 3 and second is provided with inside mounting seat 5 on described first middle connecting rod 7；Described first time mounting seat 4 and second time mounting seat 6 both sides external be separately installed with left outside in flakes 8 and the right side outside in flakes 9.
It is provided with the 3rd mounting seat 10 on front side of described lower carriage 1；Described 3rd mounting seat 10 has lower carriage activity template 12 by activity template screw rod 11 pressing.
Described upper bracket 1 side gum application reel 13 connects pogo barrel 14；It is provided with spring inside described pogo barrel 14；Spring top mother 15 it is provided with on front side of described spring.
Mounting seat 3 and second is separately installed with inside mounting seat 5 on described first upper bracket axle 17 and lower carriage axle 18；Described upper bracket axle 17 and lower carriage axle 18 arranged outside have axle sleeve 19.
Described left outside in flakes 8 and the right side outside 9 coordinate installation by screw rod 16 in flakes with first time mounting seat 4 and second time mounting seat 6 in flakes.
During use, upper bracket and lower carriage are connected with thigh and shank respectively, utilize thigh to drive upper bracket and lower carriage, and drive shank to move, replace knee joint to carry out the motion of lower limb four bar linkage knee joint mechanism.
Embodiment described above is only that the preferred embodiment of the present invention is described, and not the spirit and scope of the present invention is defined.Under the premise without departing from design concept of the present invention; various modification that technical scheme is made by this area ordinary person and improvement; protection scope of the present invention all should be dropped into, the technology contents that the present invention is claimed, all record in detail in the claims.
Claims (5)
1. a four bar linkage knee joint mechanism, it is characterised in that: include lower carriage and upper bracket；Described upper bracket is respectively arranged with on first mounting seat and first time mounting seat；Described lower carriage is respectively arranged with on second mounting seat and second time mounting seat；Mounting seat and second is provided with inside mounting seat on described first middle connecting rod；Described first time mounting seat and second time mounting seat both sides external be separately installed with left outside in flakes with the right side outside in flakes.
2. four bar linkage knee joint mechanism according to claim 1, it is characterised in that: described sub-mount frontside is provided with the 3rd mounting seat；Described 3rd mounting seat has lower carriage activity template by activity template screw rod pressing.
3. four bar linkage knee joint mechanism according to claim 1, it is characterised in that: described upper bracket side gum application reel connects pogo barrel；It is provided with spring inside described pogo barrel；Spring top mother it is provided with on front side of described spring.
4. four bar linkage knee joint mechanism according to claim 1, it is characterised in that: mounting seat and second is separately installed with inside mounting seat on described first upper bracket axle and lower carriage axle；Described upper bracket axle and lower carriage axle arranged outside have axle sleeve.
5. four bar linkage knee joint mechanism according to claim 1, it is characterised in that: described left outside coordinate installation by screw rod in flakes with first time mounting seat and second time mounting seat in flakes with outside the right side in flakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792879.8A CN105769394A (en) | 2014-12-20 | 2014-12-20 | Four-bar linkage knee joint mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792879.8A CN105769394A (en) | 2014-12-20 | 2014-12-20 | Four-bar linkage knee joint mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105769394A true CN105769394A (en) | 2016-07-20 |
Family
ID=56374953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410792879.8A Pending CN105769394A (en) | 2014-12-20 | 2014-12-20 | Four-bar linkage knee joint mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105769394A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106074094A (en) * | 2016-08-17 | 2016-11-09 | 电子科技大学 | A kind of self adaptation ectoskeleton knee joint gripper shoe unlocked |
| CN106691784A (en) * | 2016-12-02 | 2017-05-24 | 同济大学 | Wearable knee exoskeleton assist |
| CN109717990A (en) * | 2018-12-29 | 2019-05-07 | 攀枝花市午跃科技有限公司 | A kind of new titanium alloy geometry lock knee joint |
| CN112914958A (en) * | 2021-01-21 | 2021-06-08 | 武汉理工大学 | Walking is equipped in coordination |
-
2014
- 2014-12-20 CN CN201410792879.8A patent/CN105769394A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106074094A (en) * | 2016-08-17 | 2016-11-09 | 电子科技大学 | A kind of self adaptation ectoskeleton knee joint gripper shoe unlocked |
| CN106691784A (en) * | 2016-12-02 | 2017-05-24 | 同济大学 | Wearable knee exoskeleton assist |
| CN109717990A (en) * | 2018-12-29 | 2019-05-07 | 攀枝花市午跃科技有限公司 | A kind of new titanium alloy geometry lock knee joint |
| CN109717990B (en) * | 2018-12-29 | 2020-08-28 | 攀枝花市午跃科技有限公司 | Titanium alloy geometric lock knee joint |
| CN112914958A (en) * | 2021-01-21 | 2021-06-08 | 武汉理工大学 | Walking is equipped in coordination |
| CN112914958B (en) * | 2021-01-21 | 2022-02-15 | 武汉理工大学 | Walking is equipped in coordination |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160720 |