CN219788363U - Connecting rod exoskeleton type data glove - Google Patents
Connecting rod exoskeleton type data glove Download PDFInfo
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- CN219788363U CN219788363U CN202320729435.4U CN202320729435U CN219788363U CN 219788363 U CN219788363 U CN 219788363U CN 202320729435 U CN202320729435 U CN 202320729435U CN 219788363 U CN219788363 U CN 219788363U
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- 210000003813 thumb Anatomy 0.000 claims abstract description 179
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- 230000033001 locomotion Effects 0.000 claims abstract description 40
- 210000004932 little finger Anatomy 0.000 claims abstract description 27
- 101100291369 Mus musculus Mip gene Proteins 0.000 claims description 79
- 101150116466 PALM gene Proteins 0.000 claims description 79
- 238000005452 bending Methods 0.000 claims description 30
- 210000000811 metacarpophalangeal joint Anatomy 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 18
- 230000000875 corresponding effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 210000004247 hand Anatomy 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005057 finger movement Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000000236 metacarpal bone Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of robots, and relates to a connecting rod exoskeleton type data glove which comprises a palm backboard structure and a thumb joint monitoring finger sleeve, an index finger joint monitoring finger sleeve, a middle finger joint monitoring finger sleeve, a ring finger joint monitoring finger sleeve and a little finger joint monitoring finger sleeve which are connected with the palm backboard structure; the connection positions of the thumb joint monitoring fingerstall, the index finger joint monitoring fingerstall, the middle finger joint monitoring fingerstall, the ring finger joint monitoring fingerstall and the little finger joint monitoring fingerstall and the palm backboard structure are adjustable, so that universality of the palm size of an operator is met. The palm backboard structure, the thumb joint monitoring fingerstall, the index finger joint monitoring fingerstall, the middle finger joint monitoring fingerstall, the ring finger joint monitoring fingerstall and the little finger joint monitoring fingerstall are respectively provided with fastening devices. The data glove provided by the utility model can realize complete acquisition of data of 21 degrees of freedom of a human hand, and particularly can realize motion monitoring of 5 degrees of freedom of the thumb.
Description
Technical Field
The utility model belongs to the technical field of robots, and relates to a connecting rod exoskeleton type data glove.
Background
With the development of robot technology, the application scene of the robot is more and more complicated and diversified, and is limited by the technical levels of mechanisms, control, artificial intelligence and sensing, and the interaction of people and computers is more and more an important component of people's daily life. The gesture is a natural, visual and easy-to-learn man-machine interaction means, the data glove is important man-machine interaction equipment in the virtual reality system, the gesture can capture the action and gesture information of a human hand, the information is transmitted to the virtual reality system, and the action and gesture of the hand are reproduced in the system. In order to improve the compatibility of man-machine wearing, ensure that the hand exoskeleton mechanism can adapt to different hands, keep the original motion capability of the hands as far as possible, and often adopt the effect of excessively pursuing force feedback, namely adopt a determined exoskeleton configuration to read joint angles.
The human hand is a movable body with multiple redundant information, and the inter-joint motion of the movable body has correlation. The human hand is a complex structure, the acting force and the movement between the hand and the operation object are complex, the difference exists between different objects of different hands, the human hand has elasticity, and accurate modeling is difficult. For the existing force feedback data glove, a rope transmission device which is provided with a spring tube is adopted, so that friction and hysteresis problems are easily generated, and the control is not easy; the existing force feedback data glove can perform force feedback on fingers, but can only apply main force in the direction of the abdomen of the finger tips of the fingers, and cannot perform feedback processing on the force in the direction of the back of the fingers; most data gloves are not highly integrated, i.e. the drive and exoskeleton mechanisms are not integrated, and the whole device requires a plurality of accessories, which is inconvenient for operators.
Disclosure of Invention
The utility model provides a connecting rod exoskeleton type data glove which is used for overcoming the defect that the existing data glove is poor in compatibility between bones and hands and the defect that a transmission mechanism is too complex and heavy.
The technical scheme for solving the problems is as follows: a connecting rod exoskeleton type data glove is characterized in that:
the finger-joint monitoring finger stall comprises a palm backboard structure, and a thumb joint monitoring finger stall, a index finger joint monitoring finger stall, a middle finger joint monitoring finger stall, a ring finger joint monitoring finger stall and a little finger joint monitoring finger stall which are connected with the palm backboard structure;
the connection positions of the thumb joint monitoring fingerstall, the index finger joint monitoring fingerstall, the middle finger joint monitoring fingerstall, the ring finger joint monitoring fingerstall and the little finger joint monitoring fingerstall and the palm backboard structure are adjustable, so that universality of the palm size of an operator is met.
The palm backboard structure, the thumb joint monitoring fingerstall, the index finger joint monitoring fingerstall, the middle finger joint monitoring fingerstall, the ring finger joint monitoring fingerstall and the little finger joint monitoring fingerstall are respectively provided with fastening devices.
Preferably, the palm backboard structure is respectively connected with the positions of the index finger, the middle finger, the ring finger and the little finger to form two through holes, and the index finger joint monitoring fingerstall, the middle finger joint monitoring fingerstall, the ring finger joint monitoring fingerstall and the little finger joint monitoring fingerstall are respectively connected with the palm backboard structure through one corresponding through hole, so that the universality of the palm size of an operator is met by adjusting the positions of the metacarpophalangeal joints.
Preferably, the fastening device of the palm back plate structure comprises through holes respectively arranged at two sides of the palm back plate structure, and the palm binding band passes through the through holes to fix the palm back plate structure at the back of the palm.
Preferably, the thumb joint monitoring fingerstall comprises a thumb connecting piece, a thumb fixing plate, a near knuckle annular fingerstall and a thumb far knuckle annular fingerstall;
the thumb connecting piece is connected with the parallel rack of the palm backboard structure; the thumb connecting base is rotationally connected with the thumb connecting piece through a thumb connecting rotating shaft; the thumb connecting base is connected with the thumb first rocker arm through a pin shaft;
the thumb fixing plate is provided with a thumb hole seat, the thumb hole seat is connected with one end of a thumb first connecting rod through a pin shaft, and the other end of the thumb first connecting rod is connected with a thumb first rocker arm through a pin shaft; the upper end of the thumb hole seat is rotationally connected with the thumb rotating hole seat, the back of the thumb rotating hole seat is provided with a groove for installing a potentiometer, and the potentiometer monitors the real-time change of the finger joint of the palm of the person relative to the bending angle of the palm in real time. The thumb rotating hole seat is connected with one end of the thumb second rocker arm through a pin shaft, the other end of the thumb second rocker arm is connected with one end of the thumb second connecting rod through a pin shaft, the other end of the thumb second connecting rod is connected with the near knuckle annular finger sleeve through a pin shaft, one end of the thumb third rocker arm is connected with the near knuckle annular finger sleeve through a pin shaft, the other end of the thumb third rocker arm is connected with one end of the potentiometer base through a pin shaft, the other end of the potentiometer base is connected with the thumb far knuckle annular finger sleeve through a pin shaft, a potentiometer is arranged on the potentiometer base, and the potentiometer is used for monitoring the bending degree of the thumb far knuckle.
Preferably, the fastening device on the thumb joint monitoring fingerstall comprises through holes respectively arranged at two sides of the thumb distal knuckle annular fingerstall and the proximal knuckle annular fingerstall, and the through holes of the thumb distal knuckle annular fingerstall and the proximal knuckle annular fingerstall are respectively connected with the binding belt.
Preferably, the thumb far knuckle annular finger sleeve and the near knuckle annular finger sleeve are of arc-shaped structures, so that the thumb far knuckle annular finger sleeve can be better attached to the back of the thumb.
Preferably, the index finger joint monitoring finger sleeve comprises an index finger metacarpal joint hole seat, wherein the index finger metacarpal joint hole seat is rotatably connected with the palm back plate structure through an index finger joint rotating shaft, and an index finger metacarpal joint potentiometer is arranged at a position below the palm back plate structure corresponding to the index finger joint rotating shaft, so that the purpose of monitoring the bending degree of a near joint of a finger relative to the palm back plate structure is achieved.
The index finger palm joint hole seat is connected with one end of an index finger first rocker arm through a rotating shaft, the other end of the index finger first rocker arm is connected with an index finger first connecting rod through a pin shaft, and the other end of the index finger first connecting rod is connected with an index finger near knuckle annular fingerstall through a pin shaft; one end of the index finger second rocker arm is connected with the index finger near knuckle annular fingerstall through a pin shaft, the other end of the index finger second rocker arm is connected with one end of the index finger middle knuckle hole seat through a pin shaft, the other end of the index finger middle knuckle hole seat is connected with the index finger middle knuckle fingerstall through a pin shaft, a potentiometer is arranged on the side face of the index finger middle knuckle hole seat, and abduction and adduction movements of the index finger middle knuckle are monitored.
One end of the index finger third rocker arm is connected with the index finger middle knuckle fingerstall through a rotating shaft, the other end of the index finger third rocker arm is connected with one end of the index finger far knuckle hole seat through a pin shaft, the side surface of the index finger far knuckle hole seat is provided with an index finger far knuckle potentiometer, and the other end of the index finger far knuckle hole seat is connected with the index finger far knuckle annular fingerstall through the rotating shaft.
Preferably, the fastening device on the index finger joint monitoring fingerstall comprises through holes respectively arranged at two sides of the index finger near knuckle annular fingerstall, the index finger middle knuckle fingerstall and the index finger far knuckle annular fingerstall, and the through holes of the index finger near knuckle annular fingerstall, the index finger middle knuckle annular fingerstall and the index finger far knuckle annular fingerstall are respectively connected with the binding belt.
Preferably, the index finger near knuckle annular fingerstall, the index finger middle knuckle fingerstall and the index finger far knuckle annular fingerstall are arc structures, so that the index finger near knuckle annular fingerstall and the index finger far knuckle annular fingerstall can be better attached to the back of the index finger.
Preferably, the finger joint monitoring finger stall, the ring finger joint monitoring finger stall and the little finger joint monitoring finger stall have the same structure as the index finger joint monitoring finger stall.
The utility model has the advantages that:
1) The data glove provided by the utility model can realize complete acquisition of data of 21 degrees of freedom of a human hand, and particularly can realize motion monitoring of 5 degrees of freedom of a thumb;
2) The data glove provided by the utility model adopts the potentiometer to acquire the signals of the bending angles of the joints, so that compared with other sensors, the data glove has the advantages that the problem of excessive redundancy caused by the overlarge problem of an external sensor is avoided, and the cost is reduced;
3) The data glove provided by the utility model has lighter weight, and reduces the extra burden of the weight to the human hand;
4) The data glove provided by the utility model can sensitively and accurately monitor the position and the motion state of each knuckle in a three-dimensional space, and can analyze the cooperative motion rule between two adjacent knuckles through the potentiometer positioned in the adjacent knuckle;
5) According to the data glove, the finger monitoring mechanism adopts the mode of wearing on the back of the hand, so that the movement among the fingers is not interfered, and the restriction and obstruction of the mechanism to the hand are reduced.
Drawings
FIG. 1 is a diagram of an axis measurement structure of a data glove according to the present utility model;
FIG. 2 is a front view of a data glove mechanism according to the present utility model;
FIG. 3 is a block diagram of the thumb mechanism of FIG. 2;
FIG. 4 is a schematic diagram of the thumb mechanism bending;
FIG. 5 is a block diagram of the index finger mechanism of FIG. 2;
fig. 6 is a bending schematic diagram of the index finger mechanism.
Wherein: thumb joint monitoring finger sleeve-1, index finger joint monitoring finger sleeve-2, middle finger joint monitoring finger sleeve-3, ring finger joint monitoring finger sleeve-4, little finger joint monitoring finger sleeve-5, palm back plate structure-6, potentiometer-7, potentiometer base-8, thumb far knuckle strap-9, near knuckle ring finger sleeve-10, palm strap-11, thumb connecting piece-12, thumb connecting rotating shaft-13, thumb connecting base-14, thumb first rocker-15, thumb first connecting rod-16, thumb hole seat-17, thumb fixing plate-18, thumb far knuckle ring finger sleeve-19, far knuckle rotating shaft-20, thumb third rocker-21, thumb second connecting rod-22 the thumb second rocker arm-23, the rotating shaft-24, the thumb rotating hole seat-25, the rotating shaft-26, the thumb proximal knuckle binding belt-27, the rotating shaft gasket-28, the index finger distal knuckle hole seat-29, the index finger third rocker arm-30, the index finger middle knuckle hole seat-31, the index finger second rocker arm-32, the index finger first connecting rod-33, the index finger first rocker arm-34, the rotating shaft-35, the index finger palm knuckle hole seat-36, the index finger joint rotating shaft-37, the index finger palm knuckle potentiometer-38, the index finger proximal knuckle ring finger stall-39, the index finger proximal knuckle binding belt-40, the rotating shaft-41, the index finger middle knuckle binding belt-42, the index finger middle knuckle finger stall-43, the rotating shaft-44, the index finger distal knuckle ring finger stall-45, the index finger distal knuckle binding belt-46, the device comprises an index finger joint potentiometer-47, a gasket-48, a pressure spring-49, an index finger middle knuckle potentiometer-50 and an index finger far knuckle potentiometer-51.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
When a human hand grabs, the grabbing mode is often changed according to the shape and the pose of the object to be grabbed. The grabbing mode of the utility model relies on a human hand, and the human hand has 21 degrees of freedom, wherein 4 degrees of freedom exist in the index finger, the middle finger, the ring finger and the little finger, and 5 degrees of freedom exist in the thumb. The thumb is the most important finger in the human hand, not only can complete the movements of bending and stretching, abduction, adduction, finger turning and the like, but also can realize complex and fine movements of fingers, palm and the like by matching with other four fingers, and the capability of the human hand to grasp objects mainly comes from the functions of the thumb, the fingers and the palm of the other four fingers. The device is characterized in that the device corresponds to each joint of a human hand, and completes the operation of the human hand with full 21 degrees of freedom, so that when an operator wears the device, the structural limitation and restraint of the device are reduced, and the fingers can normally complete the normal movements of adduction, abduction, bending and the like.
Referring to fig. 1 and 2, a connecting rod exoskeleton type data glove comprises a palm backboard structure-6, and a thumb joint monitoring finger sleeve-1, an index finger joint monitoring finger sleeve-2, a middle finger joint monitoring finger sleeve-3, a ring finger joint monitoring finger sleeve-4 and a little finger joint monitoring finger sleeve-5 which are connected with the palm backboard structure.
The connection positions of the thumb joint monitoring fingerstall-1, the index finger joint monitoring fingerstall-2, the middle finger joint monitoring fingerstall-3, the ring finger joint monitoring fingerstall-4 and the little finger joint monitoring fingerstall-5 and the palm backboard structure-6 are adjustable so as to meet the universality of the palm size of an operator.
The palm backboard structure-6, the thumb joint monitoring finger stall-1, the index finger joint monitoring finger stall-2, the middle finger joint monitoring finger stall-3, the ring finger joint monitoring finger stall-4 and the little finger joint monitoring finger stall-5 are respectively provided with fastening devices for respectively fixing the palm backboard structure-6, the thumb joint monitoring finger stall-1, the index finger joint monitoring finger stall-2, the middle finger joint monitoring finger stall-3, the ring finger joint monitoring finger stall-4 and the little finger joint monitoring finger stall-5 on the back surfaces of a palm, a thumb, an index finger, a middle finger, a ring finger and a little finger.
Taking the fastening device of the palm back plate structure-6 as an example, the fastening device of the palm back plate structure-6 includes through holes respectively arranged at two sides of the palm back plate structure-6, and the palm binding band-11 passes through the through holes to fix the palm back plate structure-6 at the back of the palm.
As a preferred embodiment of the utility model, the palm backboard structure-6 is provided with two through holes at positions respectively connected with the index finger, the middle finger, the ring finger and the little finger, and the index finger joint monitoring finger sleeve-2, the middle finger joint monitoring finger sleeve-3, the ring finger joint monitoring finger sleeve-4 and the little finger joint monitoring finger sleeve-5 are respectively connected with the palm backboard structure-6 through the corresponding through holes, so that the universality of the palm size of an operator can be met by adjusting the positions of the palm joints.
The utility model applies the connecting rod device to the finger design of the data glove, and is connected with the adjacent base through the connecting rod, so that when the grasping action is completed, the bending angle of two adjacent knuckles on one finger and the bending angle of the finger palm knuckle relative to the palm are measured, and the cooperative movement of each knuckle is analyzed.
As a preferred embodiment of the present utility model, referring to FIGS. 3 and 4, the above-described thumb joint monitoring cuff-1 comprises a thumb connector-12, a thumb fixing plate-18, a proximal knuckle annular cuff-10, and a distal knuckle annular cuff-19. In use, the thumb fixing plate-18 is fixed with the metacarpophalangeal joint of the thumb, the proximal knuckle annular finger sleeve-10 is fixed with the proximal fingertip joint of the thumb, and the distal knuckle annular finger sleeve-19 of the thumb and the distal fingertip joint of the thumb are fixed.
The thumb connecting piece-12 is fixedly connected with the parallel rack of the palm backboard structure-6; the thumb connecting base-14 is rotatably connected to the thumb connecting piece-12 through the thumb connecting rotating shaft-13, a groove is formed in the thumb connecting rotating shaft-13, a rotating shaft gasket-28 is arranged in the groove, a potentiometer is arranged at the position, corresponding to the thumb connecting rotating shaft-13, of the thumb connecting piece-12, and the relative position of the palm backboard structure-6 and the thumb joint monitoring fingerstall-1 is determined through rotation of the thumb connecting rotating shaft-13. The thumb connecting base-14 and the thumb first rocker-15 are connected by a rotating shaft 26; the thumb fixing plate-18 is provided with a thumb hole seat-17, the thumb hole seat-17 is connected with one end of the thumb first connecting rod-16 through a pin shaft, and the other end of the thumb first connecting rod-16 is connected with the thumb first rocker arm-15 through a pin shaft. The cross section of the thumb fixing plate-18 is of a square structure, the thumb fixing plate-18 is fixed on the surface of the palm through glue, and the upper surface of the thumb fixing plate-18 is provided with a mounting groove for fixing the thumb hole seat-17, so that the relative movement between the thumb hole seat-17 and the thumb fixing plate-18 is avoided.
The upper end of the thumb hole seat-17 is rotationally connected with the thumb rotating hole seat-25, the back of the thumb rotating hole seat-25 is provided with a groove for installing a potentiometer, and the potentiometer monitors the real-time change of the bending angle of the finger joints of the human palm relative to the palm in real time. The thumb rotating hole seat-25 is connected with one end of the thumb second rocker arm-23 through a rotating shaft 24, the other end of the thumb second rocker arm-23 is connected with one end of the thumb second connecting rod-22 through a pin shaft, the other end of the thumb second connecting rod-22 is connected with the near knuckle annular finger sleeve-10 through a pin shaft, one end of the thumb third rocker arm-21 is connected with the near knuckle annular finger sleeve-10 through a pin shaft, the other end of the thumb third rocker arm-21 is connected with one end of the potentiometer base-8 through a pin shaft, the other end of the potentiometer base-8 is connected with the thumb far knuckle annular finger sleeve-19 through a pin shaft, a groove is formed in the potentiometer base-8, the potentiometer-7 is arranged in the groove, and the potentiometer-7 is used for monitoring the bending degree of the thumb far knuckle. Potentiometer for measuring the rotation angle belongs to the prior art, for example, chinese patent publication No. CN102773861B has disclosed measuring the angle of motion of the wrist-palm joint CP of the operator with a potentiometer.
The thumb joint monitoring fingerstall-1 of the data glove is a height collecting mechanism with 5 degrees of freedom, can realize the abduction and adduction of the palm, and is matched with other fingers at the same time so as to finish corresponding actions such as clamping, bending and the like.
As a preferred embodiment of the present utility model, referring to fig. 3 and 4, the fastening device on the thumb joint monitoring finger stall-1 includes through holes respectively provided at both sides of the thumb distal knuckle annular finger stall-19 and the proximal knuckle annular finger stall-10, and the through holes of the two are respectively connected with the binding band. The fastening device on the ring finger sleeve-10 of the proximal knuckle comprises through holes arranged on two sides of the ring finger sleeve-10 of the proximal knuckle, and the ring finger sleeve-10 of the proximal knuckle of the thumb is fixed with the proximal knuckle of the thumb through the through holes by the thumb proximal knuckle binding belt-27, so that measurement errors caused by relative movement of the ring finger sleeve-10 of the proximal knuckle of the thumb and the proximal knuckle of the thumb are avoided. The fastening device on the thumb distal knuckle annular fingerstall-19 comprises through holes arranged on two sides of the thumb distal knuckle annular fingerstall-19, and the thumb distal knuckle is fixed by the thumb distal knuckle binding band-9 through the through holes, so that the interference of the movement of the mechanism to the movement of the fingers of the human hand is reduced.
As a preferred embodiment of the present utility model, referring to FIGS. 3 and 4, the distal knuckle annular finger cuff-19 and the proximal knuckle annular finger cuff-10 are each of an arc-shaped structure, so that they can be better fitted to the back of the thumb.
The bending principle of the thumb mechanism is shown in fig. 4, and the thumb proximal knuckle binding band-27 is connected with the thumb proximal ring knuckle fingerstall-10 and is used for monitoring the bending angle of the thumb proximal knuckle in real time and monitoring the pose position of the thumb proximal knuckle in a three-dimensional space; the proximal knuckle of a human hand can be broken down into two directions of partial movements, one being flexion and extension movements parallel to the sides of the proximal knuckle of the thumb and the other being abduction and adduction movements parallel to the back of the proximal knuckle of the thumb. The thumb fixing plate-18 is fixed with the metacarpophalangeal joint of the thumb, and when the metacarpophalangeal joint performs flexion and extension movements, the thumb rotating hole seat-25 attached to the thumb fixing plate-18 drives the thumb second rocker arm-23, drives the thumb second connecting rod-22 fixedly connected with the thumb second rocker arm-23 to move with the thumb second connecting rod-22, and measures the bending angle of the near-knuckle joint of the thumb in real time. When the joint of the finger tip of the thumb makes flexion and extension movements, the potentiometer base-8 attached to the distal knuckle of the thumb moves along with the joint, so that the angle and the state of the flexion and extension of the joint of the distal knuckle of the thumb can be measured in real time by the potentiometer-7 in the potentiometer base-8.
Referring to fig. 5, the index finger joint monitoring fingerstall-2 of the data glove has the following structure: the index finger joint monitoring glove-2 is fixed on the corresponding through hole on the palm backboard structure-6 through the index finger joint rotating shaft-37, and an index finger metacarpophalangeal joint potentiometer-38 is arranged below the palm backboard structure-6, so as to monitor the bending degree of the near joint of the finger relative to the palm backboard structure-6. The index finger metacarpal joint hole seat-36 is connected with the index finger joint of the palm backboard structure-6, the side surface of the index finger metacarpal joint hole seat-36 is provided with an index finger joint potentiometer-47 for measuring the bending angle, the index finger joint rotating shaft-37 is provided with a groove for installing a gasket-48 and a pressure spring-49, and the elasticity provided by the pressure spring can prevent the index finger metacarpal joint hole seat-36 from moving back and forth relative to the palm backboard structure-6. The index finger palm joint hole seat-36 is connected with the index finger first rocker arm-34 through the rotating shaft-35, the other end of the index finger first rocker arm-34 is connected with the index finger first connecting rod-33, and the two can rotate relatively.
The metacarpophalangeal joint part of the index finger is externally arranged on the index finger and is connected with the ring-shaped finger sleeve of the index finger proximal knuckle-39 through the first connecting rod-33 of the index finger, and the fastening device of the ring-shaped finger sleeve of the index finger proximal knuckle-39 comprises through holes at two sides, so that the proximal finger binding belt-40 passes through the through holes, and the parts of the finger sleeve of the proximal knuckle and the proximal knuckle are fixed.
The second rocker arm-32 of the index finger is connected with the other end of the annular finger sleeve-39 of the index finger near the knuckle, and the pushing and pulling of the second rocker arm-32 of the index finger drives the relative movement of the knuckle hole seat-31 of the index finger at the other end. Grooves are arranged on the side surface of the middle knuckle hole seat-31 of the index finger, and the middle knuckle potentiometer-50 of the index finger is arranged in the grooves and monitors the abduction and adduction movements of the middle knuckle of the finger. The index finger middle knuckle finger sleeve-43 is arranged below the index finger middle knuckle hole seat-31, the index finger middle knuckle finger sleeve-43 and the index finger middle knuckle binding belt-42 fix the index finger middle knuckle, and when the index finger near knuckle makes a bending and stretching motion, the index finger middle knuckle moves along with the index finger middle knuckle, so that the index finger middle knuckle potentiometer-50 on the back of the index finger middle knuckle hole seat-31 is driven to measure the abduction and adduction angles of the index finger middle knuckle in real time and monitor the motion state of the index finger middle knuckle in real time. The third rocker arm-30 of the index finger is connected with the middle knuckle finger stall-43 of the index finger through a rotating shaft-41, the other end of the third rocker arm-30 of the index finger is connected with the far knuckle hole seat-29 of the index finger, a groove for placing the far knuckle potentiometer-51 of the index finger is arranged on the side face of the far knuckle hole seat-29 of the index finger, and the third rocker arm-30 of the index finger is connected with the annular knuckle finger stall-45 of the far knuckle of the index finger through a rotating shaft-44. The side surface of the index finger distal knuckle ring-shaped fingerstall-45 is provided with a through hole, and the purpose of the through hole is to penetrate through the index finger distal knuckle binding band-46 to be fixed with the index finger distal knuckle, when the index finger distal knuckle is subjected to bending and stretching movement, the index finger distal knuckle hole seat-29 attached above the distal knuckle moves together with the index finger distal knuckle, and the state of the abduction and adduction of the index finger distal knuckle is measured through the rotation of the rotating shaft-44.
Referring to fig. 6, the index finger structure bending principle is: when the metacarpophalangeal joint of the index finger makes flexion and extension movements, a proximal knuckle structure formed by the index finger proximal knuckle binding belt-40 and the index finger proximal knuckle annular fingerstall-39 moves along with the metacarpophalangeal joint structure, and the proximal knuckle joint makes flexion and extension movements by driving the shaft where the proximal knuckle structure is positioned to rotate through the first connecting rod-33 of the index finger; thereby driving the finger sleeve-43 attached to the middle knuckle of the index finger to move along with the finger sleeve, at the moment, driving the shaft of the middle knuckle hole seat-31 of the index finger fixedly connected with the finger sleeve-43 to rotate, and the potentiometer-50 of the middle knuckle of the index finger attached to the middle knuckle hole seat-31 of the index finger monitors the bending and stretching degree of the middle knuckle in real time and measures the bending and stretching angle and the movement state of the middle knuckle in real time; the longitudinal section of the index finger distal knuckle annular fingerstall-45 is similar to the section of the index finger distal knuckle, the index finger distal knuckle strap-46 is used for fixing, and due to the change of the bending angle of the middle knuckle, when the index finger distal knuckle makes a bending and stretching motion, the angle of the index finger distal knuckle hole seat-29 attached to the index finger distal knuckle is changed, the change of the rotating angle of the rotating shaft-44 is driven, and the index finger distal knuckle potentiometer-51 fixed in the index finger distal knuckle hole seat-29 can monitor the angle and the state of the index finger distal knuckle in real time. By analyzing the numerical changes of the index finger metacarpal joint potentiometer-38, the index finger middle knuckle potentiometer-5 and the index finger far knuckle potentiometer-51, the movement state of the index finger can be accurately monitored under the condition that the index finger of a human hand is gripped and bent, and the synergistic effect of all fingertips can be analyzed.
In particular, the utility model only provides a novel data acquisition glove based on a human hand structure, and the change of the bending angle of each knuckle is analyzed based on the change of the potential value of the potentiometer, so that the motion rule in the glove is analyzed. However, the potentiometer is adopted as a data acquisition mechanism for economic consideration, the potentiometer in the data glove structure can be replaced with an angle sensor, and the same principle is used for monitoring the position and the motion state of each knuckle in the three-dimensional space of a human hand.
As a preferred embodiment of the present utility model, referring to FIGS. 3 and 4, the index finger proximal knuckle annular finger cuff-39, the index finger middle knuckle finger cuff-43 and the index finger distal knuckle annular finger cuff-45 are all arc-shaped structures, so that they can be better attached to the back of the index finger.
The structures of the middle finger joint monitoring finger sleeve-3, the ring finger joint monitoring finger sleeve-4 and the little finger joint monitoring finger sleeve-5 are the same as those of the index finger joint monitoring finger sleeve-2.
In summary, the utility model applies the linkage mechanisms such as the rocker arm, the connecting rod and the like to the data glove, and consists of the palm base plate, the thumb mechanism, the index finger structure, the middle finger structure, the ring finger structure and the little finger structure, wherein each finger structure mainly consists of the near knuckle base, the middle knuckle base, the far knuckle base, the connecting rod, the potentiometer and the like, and when the finger bends and stretches, the movement angle of each joint on the finger is measured by the corresponding potentiometer arranged on the finger through the corresponding mathematical algorithm, so that the pose change of each knuckle of the thumb, the index finger, the middle finger, the ring finger and the little finger is monitored, and the interference of the linkage mechanisms such as the rocker arm, the connecting rod and the like to the finger movement is reduced.
The metacarpophalangeal joints are formed by connecting metacarpal bones and phalangeal bones, are important joints of the hands, and participate in bending and stretching actions. The palm base plate is fixed in palm back position, and there are two connecting holes along sharp range in the palm base plate, and its connecting hole is fixed in metacarpophalangeal joint department for the operator can select suitable position according to actual conditions and connect each part, makes the relative position of each articulation point of data glove and each articulation point of operator's finger reach the best state. The glove finger parts are connected through the rocker arm, the connecting rod and the like, and after an operator wears the glove, the data glove is driven to acquire real-time data through the movement of the finger, and meanwhile, flexible movement of each joint of the finger is ensured. Potentiometers with measuring joints are arranged between bases among fingers so as to monitor data changes generated in the processes of bending, extending and the like of each knuckle and monitor the changes of the positions and the motion states of the knuckles in a three-dimensional space.
The foregoing description is only exemplary embodiments of the present utility model, and is not intended to limit the scope of the present utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model, or direct or indirect application in other related system fields are included in the scope of the present utility model.
Claims (10)
1. A connecting rod exoskeleton type data glove, which is characterized in that:
the finger-joint monitoring device comprises a palm backboard structure (6), and a thumb joint monitoring finger sleeve (1), an index finger joint monitoring finger sleeve (2), a middle finger joint monitoring finger sleeve (3), a ring finger joint monitoring finger sleeve (4) and a little finger joint monitoring finger sleeve (5) which are connected with the palm backboard structure;
the connection positions of the thumb joint monitoring fingerstall (1), the index finger joint monitoring fingerstall (2), the middle finger joint monitoring fingerstall (3), the ring finger joint monitoring fingerstall (4), the little finger joint monitoring fingerstall (5) and the palm backboard structure (6) are adjustable so as to meet the universality of the palm size of an operator;
the palm backboard structure (6), the thumb joint monitoring finger sleeve (1), the index finger joint monitoring finger sleeve (2), the middle finger joint monitoring finger sleeve (3), the ring finger joint monitoring finger sleeve (4) and the little finger joint monitoring finger sleeve (5) are respectively provided with fastening devices.
2. A connecting rod exoskeleton data glove as defined in claim 1, wherein:
the palm backboard structure (6) is respectively connected with the positions of an index finger, a middle finger, a ring finger and a little finger to be provided with two through holes, and the index finger joint monitoring fingerstall (2), the middle finger joint monitoring fingerstall (3), the ring finger joint monitoring fingerstall (4) and the little finger joint monitoring fingerstall (5) are respectively connected with the palm backboard structure (6) through one corresponding through hole.
3. A connecting rod exoskeleton data glove as defined in claim 2, wherein:
the fastening device of the palm backboard structure (6) comprises through holes which are respectively arranged at two sides of the palm backboard structure (6), and the palm binding bands (11) pass through the through holes to fix the palm backboard structure (6) at the back of the palm.
4. A connecting rod exoskeleton data glove as claimed in any one of claims 1 to 3 wherein:
the thumb joint monitoring fingerstall (1) comprises a thumb connecting piece (12), a thumb fixing plate (18), a near knuckle annular fingerstall (10) and a thumb far knuckle annular fingerstall (19);
the thumb connecting piece (12) is connected with the parallel rack of the palm backboard structure (6); the thumb connecting base (14) is rotatably connected to the thumb connecting piece (12) through a thumb connecting rotating shaft (13); the thumb connecting base (14) is connected with the thumb first rocker arm (15) through a pin shaft;
the thumb fixing plate (18) is provided with a thumb hole seat (17), the thumb hole seat (17) is connected with one end of a thumb first connecting rod (16) through a pin shaft, and the other end of the thumb first connecting rod (16) is connected with a thumb first rocker arm (15) through a pin shaft; the upper end of the thumb hole seat (17) is rotationally connected with a thumb rotating hole seat (25), and a potentiometer is arranged at the back of the thumb rotating hole seat (25) to monitor the real-time change of the bending angle of the finger joints of the human palm relative to the palm in real time; the thumb rotating hole seat (25) is connected with one end of the thumb second rocker arm (23) through a pin shaft, the other end of the thumb second rocker arm (23) is connected with one end of the thumb second connecting rod (22) through a pin shaft, the other end of the thumb second connecting rod (22) is connected with the near knuckle annular finger sleeve (10) through a pin shaft, one end of the thumb third rocker arm (21) is connected with the near knuckle annular finger sleeve (10) through a pin shaft, the other end of the thumb third rocker arm is connected with one end of the potentiometer base (8) through a pin shaft, the other end of the potentiometer base (8) is connected with the thumb far knuckle annular finger sleeve (19) through a pin shaft, a potentiometer is arranged on the potentiometer base (8), and the potentiometer is used for monitoring the bending degree of the thumb far knuckle.
5. A connecting rod exoskeleton data glove as defined in claim 4, wherein:
the fastening device on the thumb joint monitoring fingerstall (1) comprises through holes which are respectively arranged at two sides of the thumb far knuckle annular fingerstall (19) and the near knuckle annular fingerstall (10), and the through holes of the thumb far knuckle annular fingerstall and the near knuckle annular fingerstall are respectively connected with the binding belt.
6. A connecting rod exoskeleton data glove as defined in claim 5, wherein:
the thumb far knuckle annular finger sleeve (19) and the near knuckle annular finger sleeve (10) are arc structures.
7. A connecting rod exoskeleton data glove as claimed in any one of claims 1 to 3 wherein:
the index finger joint monitoring fingerstall (2) comprises an index finger metacarpophalangeal joint hole seat (36), the index finger metacarpophalangeal joint hole seat (36) is rotationally connected with the palm back plate structure (6) through an index finger joint rotating shaft (37), and an index finger metacarpophalangeal joint potentiometer (38) is arranged below the palm back plate structure (6) and corresponds to the index finger joint rotating shaft (37);
the index finger palm joint hole seat (36) is connected with one end of the index finger first rocker arm (34) through a rotating shaft, the other end of the index finger first rocker arm (34) is connected with the index finger first connecting rod (33) through a pin shaft, and the other end of the index finger first connecting rod (33) is connected with the index finger near knuckle annular fingerstall (39) through a pin shaft; one end of the index finger second rocker arm (32) is connected with an index finger near knuckle annular fingerstall (39) through a pin shaft, the other end of the index finger second rocker arm is connected with one end of the index finger middle knuckle hole seat (31) through a pin shaft, the other end of the index finger middle knuckle hole seat (31) is connected with the index finger middle knuckle fingerstall (43) through a pin shaft, a potentiometer is arranged on the side surface of the index finger middle knuckle hole seat (31), and abduction and adduction movements of the index middle knuckle are monitored;
one end of the index finger third rocker arm (30) is connected with the index finger middle knuckle fingerstall (43) through a rotating shaft, the other end of the index finger third rocker arm (30) is connected with one end of the index finger far knuckle hole seat (29) through a pin shaft, an index finger far knuckle potentiometer (51) is arranged on the side face of the index finger far knuckle hole seat (29), and the other end of the index finger far knuckle hole seat (29) is connected with the index finger far knuckle annular fingerstall (45) through the rotating shaft.
8. A connecting rod exoskeleton data glove as defined in claim 7, wherein:
the fastening device on the index finger joint monitoring fingerstall (2) comprises through holes which are respectively arranged at two sides of the index finger near knuckle annular fingerstall (39), the index finger middle knuckle fingerstall (43) and the index finger far knuckle annular fingerstall (45), and the through holes of the three are respectively connected with the binding belt.
9. A connecting rod exoskeleton data glove as defined in claim 8, wherein:
the index finger near knuckle annular fingerstall (39), the index finger middle knuckle fingerstall (43) and the index finger far knuckle annular fingerstall (45) are all arc-shaped structures.
10. A connecting rod exoskeleton data glove as defined in claim 7, wherein:
the middle finger joint monitoring fingerstall (3), the ring finger joint monitoring fingerstall (4), the little finger joint monitoring fingerstall (5) and the index finger joint monitoring fingerstall (2) have the same structure.
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| CN202320729435.4U CN219788363U (en) | 2023-03-27 | 2023-03-27 | Connecting rod exoskeleton type data glove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116372956A (en) * | 2023-03-27 | 2023-07-04 | 深圳先进技术研究院 | Connecting rod exoskeleton type data glove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116372956A (en) * | 2023-03-27 | 2023-07-04 | 深圳先进技术研究院 | Connecting rod exoskeleton type data glove |
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