CN110170987B - One-way locking joint hinge - Google Patents
One-way locking joint hinge Download PDFInfo
- Publication number
- CN110170987B CN110170987B CN201910487321.1A CN201910487321A CN110170987B CN 110170987 B CN110170987 B CN 110170987B CN 201910487321 A CN201910487321 A CN 201910487321A CN 110170987 B CN110170987 B CN 110170987B
- Authority
- CN
- China
- Prior art keywords
- slat
- wedge
- shaped
- fixed plate
- cam disc
- 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.)
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Links
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 2
- 210000002414 leg Anatomy 0.000 description 12
- 210000000629 knee joint Anatomy 0.000 description 9
- 230000036544 posture Effects 0.000 description 7
- 210000000689 upper leg Anatomy 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 210000001217 buttock Anatomy 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J17/00—Joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/0006—Exoskeletons, i.e. resembling a human figure
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model provides a one-way locking joint hinge, including first fixed plate, the second fixed plate, the fly leaf, the cam disc, wedge slat, preceding deflector strip and back deflector strip, fly leaf and cam disc are made as an organic wholely, form a guide way between preceding deflector strip and the back deflector strip, be provided with a minor axis between the lower part of first fixed plate and second fixed plate, the eccentric department rotation of cam disc is connected on the minor axis, wedge slat's upper portion slides and sets up in the guide way, wedge slat's lower part rear side edge is provided with the wedge face with cam disc complex, the slot hole has been seted up on upper portion in the second fixed plate, the length direction of slot hole is parallel to the length direction of guide way, wedge slat lateral part is connected with the manual regulation locating component who wears out the slot hole. The invention has scientific principle, simple structure and convenient use, adopts the mechanical structure of the wedge-shaped surface and the cam to adjust the sitting posture, and the pure mechanical mechanism realizes the stability of the portable seat, thereby ensuring the safety and the reliability of the seat in the use process.
Description
Technical Field
The invention belongs to the technical field of mechanical exoskeleton, and particularly relates to a one-way locking joint hinge.
Background
Currently, many labor intensive business workers are required to constantly perform a bowing or squatting action during assembly lines or in some special work environments, and many work is performed in a squatting position for a long period of time, with the symptoms of lumbar and knee drops over time. The conventional seat cannot adapt to the postures of workers at different heights during operation, and the prior art also has a wearable seat such as the wearable seat disclosed by the publication No. CN104970607A, CN104473486A, but the conventional wearable seat has a structure that main stress points in the use process are at positions corresponding to leg knee joints, the conventional wearable seat is generally complex in structure, and electric control devices such as an electromagnet, a damper (pneumatic or hydraulic), a pressure sensor and a controller are used, so that the novel wearable seat is not a purely mechanical structure, is high in cost, and can be used only by requiring skilled operation of workers in the use process, and in addition, the electric control device needs a power supply, so that the stability and the reliability of a control element are poor and faults often occur.
Disclosure of Invention
The unidirectional locking joint hinge provided by the invention has the advantages of simple structure, convenience in operation, high stability and reliability and low cost, and aims to solve the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a one-way locking joint hinge, including first fixed plate, the second fixed plate, the fly leaf, the cam disc, wedge slat, preceding guide slat and back guide slat, the cam disc, the wedge slat, preceding guide slat and back guide slat are located between first fixed plate and the second fixed plate, first fixed plate, the second fixed plate, preceding guide slat and back guide slat pass through a plurality of fastening bolt fixed connection as an organic wholely, fly leaf and cam disc are made as an organic wholely, fly leaf upper portion and cam disc lower part fixed connection, form a guide way between preceding guide slat and the back guide slat, the length of preceding guide slat is greater than the length of back guide slat, preceding guide slat flushes with back guide slat upper end, be provided with a minor axis between the lower part of first fixed plate and the second fixed plate, the eccentric department rotation of cam disc is connected on the minor axis, the upper portion slip setting of wedge slat is in the guide way, the lower part rear side of wedge is provided with the wedge face with cam disc complex wedge face, the preceding side and the preceding guide sliding fit of wedge slat, slot has been seted up at the upper portion in the second fixed plate, the length direction parallel to the length direction of slot is connected with the wedge-shaped side of slot, the manual regulation subassembly.
The manual adjusting and positioning assembly comprises a T-shaped unlocking rod, a spring, a gasket and a connecting screw, wherein the T-shaped unlocking rod comprises a head with a thicker outer diameter and a thinner rod part, a through hole and a countersunk hole positioned at the head are formed in the center of the T-shaped unlocking rod, a threaded hole corresponding to the long hole is formed in the wedge-shaped slat, the diameter of the threaded hole is smaller than the width of the long hole, one end of the rod part of the T-shaped unlocking rod stretches into the long hole and contacts with the surface of the wedge-shaped slat, the connecting screw penetrates through the through hole and is in threaded connection with the threaded hole through the countersunk hole, the gasket and the spring are sleeved on the rod part of the T-shaped unlocking rod, the gasket contacts with the second fixing plate, and two ends of the spring are respectively in pressing fit with the gasket and the head of the T-shaped unlocking rod.
The outside upper portion of first fixed plate is provided with the welt, and the lower part of welt is connected with the second fixed plate together through fastening bolt with first fixed plate.
The upper side part of the gasket is connected with a quick unlocking pull belt.
By adopting the technical scheme, the upper portion of first fixed plate and welt is connected with flexible regulation member through a plurality of first connecting bolt, the fly leaf lower part is connected with flexible regulation member down through a plurality of second connecting bolt, flexible regulation member lower extreme articulates there is foot connection support assembly down, flexible regulation member upper portion is provided with first connecting plate down, be equipped with the shank bandage on the first connecting plate, flexible regulation member lower part is provided with the second connecting plate, be equipped with the thigh bandage on the second connecting plate, flexible regulation member upper portion is provided with the third connecting plate, flexible regulation member, one-way locking joint hinge, flexible regulation member and foot connection support assembly form a set of shank exoskeleton support frame down, set up waist buttockss bandage between the third connecting plate of the flexible regulation member of two sets of shank exoskeleton support frames, just so form the personal seat.
When the leg exoskeleton device is used, the two groups of leg exoskeleton supporting frames are respectively and fixedly connected to the left side of the left leg and the right side of the right leg of an operator, the lengths of the upper telescopic adjusting rod piece and the lower telescopic adjusting rod piece are adjusted firstly to be suitable for the leg length of the operator, the position of the unidirectional locking joint hinge is equal to the height of a knee joint, the foot is bound on the foot connecting supporting component, the shank binding band is bound on the upper part of the shank, the thigh binding band is bound on the lower part of the thigh, and the waist-hip binding band is bound on the waist.
Then through driving T type unlocking rod, drive wedge slat position in the guide way, the shank is when crooked, drive flexible adjusting lever backward rotation down, the fly leaf of being connected with the lower connecting rod upper end of flexible adjusting lever down drives the cam dish and uses the minor axis as the center also backward rotation, the cam dish is rotated after certain angle, cam dish upper portion and wedge face roof pressure of wedge slat, the cam dish can not be at backward rotation, the contained angle between flexible adjusting lever and the flexible adjusting lever down is fixed this moment, foot connection supporting component, flexible adjusting lever down, one-way locking joint hinge and flexible adjusting lever just are fixed to the structure of crooked support down, waist buttockss bandage just supports the operator and is operated with the mode of position of sitting, the atress of knee joint has been alleviateed like this.
When the user needs to walk normally, the quick unlocking pull belt is pulled upwards, the T-shaped unlocking rod is pulled to the uppermost end of the long hole, the wedge-shaped slat moves upwards along the guide groove, and the cam plate does not contact with the wedge-shaped slat when rotating backwards by 180 degrees, so that the flexibility of walking is ensured. When a sitting posture with a certain posture is needed, the T-shaped unlocking rod is manually operated, the position of the wedge-shaped slat in the guide groove is adjusted, and the wedge-shaped slat is propped against the cam plate to be positioned after the cam plate rotates backwards.
The quick release pull strap also has a safety function: if the center of gravity of a person is unstable in a locked state of the knee joint and is to be tilted backward in use of the seat, it is difficult to adjust the state to avoid falling due to limited movement of the knee joint. At the moment, the quick unlocking pull belt can be pulled, so that the wedge-shaped slat can quickly move upwards to finish unlocking. The quick release pull strap may also be attached to an arm or other limb, such as in a natural swing of the arm (up or forward swing to maintain balance) during a quick fall, for example, with a ganged release.
The spring plays a role in keeping the wedge-shaped slat and the inner surface of the second fixed plate in a pressure connection state all the time, so that the wedge-shaped slat is prevented from moving downwards under the self gravity to influence the flexibility in normal walking.
In conclusion, the invention has scientific principle, simple structure and convenient use, adopts the mechanical structure of the wedge-shaped surface and the cam to adjust the sitting posture, and the pure mechanical mechanism realizes the stability of the portable seat, thereby ensuring the safety and the reliability of the seat in the use process.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1 along the length of the slot;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of the structure of the present invention mounted on a carry-on seat;
Fig. 5 is a schematic view of the carry-on seat in a use state.
Detailed Description
As shown in fig. 1-5, the unidirectional locking joint hinge of the invention comprises a first fixed plate 1, a second fixed plate 2, a movable plate 3, a cam disc 4, a wedge-shaped slat 5, a front guide slat 6 and a rear guide slat 7, wherein the cam disc 4, the wedge-shaped slat 5, the front guide slat 6 and the rear guide slat 7 are positioned between the first fixed plate 1 and the second fixed plate 2, the first fixed plate 1, the second fixed plate 2, the front guide slat 6 and the rear guide slat 7 are fixedly connected into a whole through a plurality of fastening bolts 8, the movable plate 3 and the cam disc 4 are integrally made, the upper part of the movable plate 3 is fixedly connected with the lower part of the cam disc 4, a guide groove 11 is formed between the front guide slat 6 and the rear guide slat 7, the length of the front guide slat 6 is longer than the length of the rear guide slat 7, a short shaft 12 is arranged between the lower parts of the first fixed plate 1 and the second fixed plate 2, the eccentric part of the cam disc 4 is rotationally connected onto the short shaft 12, the upper part of the wedge-shaped slat 5 is slidably arranged on the guide groove 11, the lower part of the wedge-shaped slat 5 is matched with the length of the wedge-shaped slat 4, the wedge-shaped member 14 is arranged on the side part of the wedge-shaped member 14, and the wedge-shaped member 14 is arranged in parallel to the length of the front guide slat 7 and is matched with the length of the wedge-shaped member 14 in the side of the wedge-shaped member 4.
The manual adjusting and positioning assembly comprises a T-shaped unlocking rod 16, a spring 17, a gasket 18 and a connecting screw 19, wherein the T-shaped unlocking rod 16 comprises a head part with a thicker outer diameter and a thinner rod part, a through hole and a countersunk hole positioned at the head part are formed in the center of the T-shaped unlocking rod 16, a threaded hole corresponding to the long hole 14 is formed in the wedge-shaped slat 5, the diameter of the threaded hole is smaller than the width of the long hole 14, one end of the rod part of the T-shaped unlocking rod 16 extends into the long hole 14 and is in surface contact with the wedge-shaped slat 5, the connecting screw 19 penetrates through the through hole through the countersunk hole and is in threaded connection with the threaded hole, the gasket 18 and the spring 17 are sleeved on the rod part of the T-shaped unlocking rod 16, the gasket 18 is in contact with the second fixed plate 2, and two ends of the spring 17 are respectively in pressing fit with the gasket 18 and the head part of the T-shaped unlocking rod 16.
The outside upper portion of the first fixing plate 1 is provided with a lining plate 20 (which plays a role in enhancing the connection strength of the first fixing plate 1), and the lower portion of the lining plate 20 is connected with the second fixing plate 2 together with the first fixing plate 1 through a fastening bolt 8.
The upper side of the gasket 18 is connected with a quick unlocking pull strap 21.
The upper parts of the first fixing plate 1 and the lining plate 20 are connected with an upper telescopic adjusting rod piece 22 through a plurality of first connecting bolts 9, the lower part of the movable plate 3 is connected with a lower telescopic adjusting rod piece 23 through a plurality of second connecting bolts 10, the lower end of the lower telescopic adjusting rod piece 23 is hinged with a foot connecting support assembly 24, the upper part of the lower telescopic adjusting rod piece 23 is provided with a first connecting plate, a shank binding belt 25 is arranged on the first connecting plate, the lower part of the upper telescopic adjusting rod piece 22 is provided with a second connecting plate, a thigh binding belt 26 is arranged on the second connecting plate, the upper part of the upper telescopic adjusting rod piece 22 is provided with a third connecting plate, the upper telescopic adjusting rod piece 22, the unidirectional locking joint hinge, the lower telescopic adjusting rod piece 23 and the foot connecting support assembly 24 form a group of leg exoskeleton support frames, and a waist-hip binding belt 32 is arranged between the third connecting plates of the upper telescopic adjusting rod pieces 22 of the two groups of leg exoskeleton support frames, so that the portable seat is formed.
Since the present invention is directed to a one-way locking knuckle hinge 27, such as the upper telescoping adjustment lever 22, the lower telescoping adjustment lever 23, and the foot link support assembly 24 are described for purposes of describing the specific installation of the one-way locking knuckle hinge 27 and the manner in which it is used to operate. Accordingly, the specific configurations of the upper telescoping adjustment lever 22, the lower telescoping adjustment lever 23, and the foot link support assembly 24 are not described in detail herein.
When the leg exoskeleton supporting frame is used, two groups of leg exoskeleton supporting frames are respectively and fixedly connected to the left side of the left leg and the right side of the right leg of an operator, the lengths of the upper telescopic adjusting rod piece 22 and the lower telescopic adjusting rod piece 23 are adjusted firstly to be suitable for the leg length of the operator, the position of the unidirectional locking joint hinge 27 is equal to the height of a knee joint, the feet are bound on the foot connecting supporting component 24 (comprising the foot pedal 28, the connecting plate 29, the instep binding belt 30, the heel binding belt 31 and the like), the lower leg binding belt 25 is bound on the upper portion of the lower leg, the thigh binding belt 26 is bound on the lower portion of the thigh, and the waist and hip binding belt 32 is bound on the waist.
Then, the T-shaped unlocking rod 16 is driven to drive the wedge-shaped lath 5 to be positioned in the guide groove 11, when the lower leg is bent, the lower telescopic adjusting rod 23 is driven to rotate backwards, the movable plate 3 connected with the upper end of the lower connecting rod of the lower telescopic adjusting rod 23 drives the cam plate 4 to rotate backwards by taking the short shaft 12 as the center, after the cam plate 4 rotates to a certain angle, the upper part of the cam plate 4 is pressed against the wedge-shaped surface 13 of the wedge-shaped lath 5, the cam plate 4 cannot rotate backwards, at the moment, the included angle between the upper telescopic adjusting rod 22 and the lower telescopic adjusting rod 23 is fixed, the foot connecting supporting component 24, the lower telescopic adjusting rod 23, the unidirectional locking joint hinge 27 and the upper telescopic adjusting rod 22 are fixed to be in a bending supporting structure, and the waist and hip binding belt 32 supports an operator to work in a sitting posture mode, so that the stress of knee joints is relieved.
When normal walking is required, the quick unlocking pull belt 21 is pulled upwards, the T-shaped unlocking rod 16 is pulled to the uppermost end of the long hole 14, the wedge-shaped slat 5 moves upwards along the guide groove 11, and the cam plate 4 does not contact with the wedge-shaped slat 5 when rotating backwards by 180 degrees, so that the flexibility in walking is ensured. When a sitting posture with a certain posture is needed, the T-shaped unlocking rod 16 is manually operated, the position of the wedge-shaped slat 5 in the guide groove 11 is adjusted, and the wedge-shaped slat 5 is propped against and positioned after the cam plate 4 rotates backwards.
The quick release pull strap 21 also has a safety function: if the center of gravity of a person is unstable in a locked state of the knee joint and is to be tilted backward in use of the seat, it is difficult to adjust the state to avoid falling due to limited movement of the knee joint. At this time, the quick unlocking pull strap 21 can be pulled, so that the wedge slat 5 moves upward quickly to complete unlocking. The quick release pull strap 21 may also be attached to an arm or other limb, such as in a natural swing of the arm (upward or forward swing to maintain balance) during a quick fall, for example, with a ganged release.
The spring 17 is used for keeping the wedge-shaped slat 5 in a pressure contact state with the inner surface of the second fixed plate 2 all the time, so that the wedge-shaped slat 5 is prevented from moving downwards under the self gravity to influence the flexibility in normal walking.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (1)
1. One-way locking joint hinge, its characterized in that: the cam disc, the wedge-shaped slat, the front guide slat and the rear guide slat are positioned between the first fixed plate and the second fixed plate, the first fixed plate, the second fixed plate, the front guide slat and the rear guide slat are fixedly connected into a whole through a plurality of fastening bolts, the movable plate and the cam disc are integrally manufactured, the upper part of the movable plate is fixedly connected with the lower part of the cam disc, a guide groove is formed between the front guide slat and the rear guide slat, the length of the front guide slat is larger than that of the rear guide slat, the upper ends of the front guide slat and the rear guide slat are flush, a short shaft is arranged between the lower parts of the first fixed plate and the second fixed plate, the eccentric part of the cam disc is rotationally connected onto the short shaft, the upper part of the wedge-shaped slat is slidably arranged in the guide groove, the rear side edge of the lower part of the wedge-shaped slat is provided with a wedge-shaped surface matched with the cam disc, the front side edge of the wedge-shaped slat is slidably matched with the front guide slat, the upper part of the second fixed plate is provided with a long hole, the length direction of the long hole is parallel to the length direction of the guide groove, and a wedge-shaped positioning assembly is connected with the side part of the wedge-shaped positioning assembly;
the manual adjusting and positioning assembly comprises a T-shaped unlocking rod, a spring, a gasket and a connecting screw rod, wherein the T-shaped unlocking rod comprises a head part with a thicker outer diameter and a thinner rod part, a through hole and a countersunk hole positioned at the head part are formed in the center of the T-shaped unlocking rod, a threaded hole corresponding to the long hole is formed in the wedge-shaped slat, the diameter of the threaded hole is smaller than the width of the long hole, one end of the rod part of the T-shaped unlocking rod stretches into the long hole and contacts with the surface of the wedge-shaped slat, the connecting screw rod passes through the through hole through the countersunk hole and is in threaded connection with the threaded hole, the gasket and the spring are sleeved on the rod part of the T-shaped unlocking rod, the gasket is in contact with the second fixing plate, and two ends of the spring are respectively in pressing fit with the gasket and the head part of the T-shaped unlocking rod;
The upper part of the outer side of the first fixed plate is provided with a lining plate, and the lower part of the lining plate is connected with the second fixed plate together with the first fixed plate through a fastening bolt;
the upper side part of the gasket is connected with a quick unlocking pull belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487321.1A CN110170987B (en) | 2019-06-05 | 2019-06-05 | One-way locking joint hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487321.1A CN110170987B (en) | 2019-06-05 | 2019-06-05 | One-way locking joint hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110170987A CN110170987A (en) | 2019-08-27 |
| CN110170987B true CN110170987B (en) | 2024-06-21 |
Family
ID=67697137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487321.1A Active CN110170987B (en) | 2019-06-05 | 2019-06-05 | One-way locking joint hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110170987B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11771612B2 (en) * | 2019-09-17 | 2023-10-03 | Jtekt Corporation | Assist device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200412396Y1 (en) * | 2006-01-09 | 2006-03-27 | 조상덕 | Orthopedic knee joint brace |
| CN210282274U (en) * | 2019-06-05 | 2020-04-10 | 王震虎 | One-way locking joint hinge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2664493B1 (en) * | 1990-07-10 | 1997-10-10 | Proteor Sa | ARTICULATION FOR ORTHESIS OF LOCKING LOWER MEMBERS IN THE EXTENSION POSITION OF THESE MEMBERS. |
| DE19605734C2 (en) * | 1996-02-16 | 2000-01-20 | Beiersdorf Ag | Knee joint orthosis with different lateral and medial orthotic joint |
| JP3547632B2 (en) * | 1998-12-11 | 2004-07-28 | ダイハツ工業株式会社 | Car seat equipment |
| KR100680655B1 (en) * | 2005-04-18 | 2007-02-09 | 조상덕 | Hinged knee brace for reducing pain and shock of knee-joint |
| CN106983638B (en) * | 2017-05-12 | 2023-08-25 | 华中科技大学 | Passive weight-supporting exoskeleton device based on gait phase self-unlocking |
| CN109545610A (en) * | 2018-12-07 | 2019-03-29 | 浙江正东机车部件有限公司 | Locomotive smart lock |
-
2019
- 2019-06-05 CN CN201910487321.1A patent/CN110170987B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200412396Y1 (en) * | 2006-01-09 | 2006-03-27 | 조상덕 | Orthopedic knee joint brace |
| CN210282274U (en) * | 2019-06-05 | 2020-04-10 | 王震虎 | One-way locking joint hinge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110170987A (en) | 2019-08-27 |
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