87 results about "Little finger" patented technology

This utility model relates to the technical field of mobile phone holders, and more particularly to a magnetic finger ring holder, including a magnetic base, an irregularly shaped finger ring, and a finger plate. The magnetic base has a built-in first magnet, which can be magnetically connected to a mobile phone or mobile phone case. The irregularly shaped finger ring is hinged to the surface of the magnetic base, allowing at least two fingers to pass through. It can be rotated and unfolded or folded to help distribute the load when holding the phone, improving comfort and stability. The finger plate is hinged to the surface of the magnetic base, forming a support surface when unfolded, allowing the fingers to support the phone and preventing stress concentration in the little finger, which can lead to pain and deformation. Furthermore, this utility model also achieves folding and storage of the irregularly shaped finger ring and finger plate through the hinge structure, reducing space occupation. When unfolded, it can be used as a mobile phone holder, offering rich functionality and convenient switching. It effectively solves the problems of insufficient grip comfort and stress concentration in existing products, significantly reducing finger discomfort during prolonged mobile phone use, and combining practicality and portability.

The invention discloses an electric thyroid puncture suction device which comprises a needle cylinder, a piston, a piston rod, a shell and a driving device. The shell and the driving device are detachably connected, the driving device is installed in the shell in an embedded mode, the tail of the piston rod is connected with an execution part of the driving device, and a switch connected with the driving device is arranged on the outer side of the shell; the appearance of the shell is a cylinder, the shell and the needle cylinder are coaxially connected, and the outer diameter of the shell meets the following use conditions that an operator can use a thumb, an index finger and a middle finger to hold the shell to execute a puncture operation. A doctor can directly operate the electric thyroid puncture and suction device by using the habitual gestures of the doctor, and the doctor can successfully puncture without changing the holding posture and only needs to operate the switch by using a thumb or a little finger, so that the suction operation is easily carried out, and the large hand action and physical output of the doctor are reduced.

The utility model relates to the technical field of medical rehabilitation instruments, and provides a pneumatic size-adjustable flexible rehabilitation glove which comprises a rehabilitation glove body, a thumb driver, an index finger driver, a middle finger driver, a ring finger driver and a little finger driver, each of the thumb driver, the index finger driver, the middle finger driver, the ring finger driver and the little finger driver comprises a metacarpal joint driving structure, a near finger and far finger joint driving structure and a sliding adaptive block; the metacarpal joint driving structure is arranged on the rehabilitation glove body; the metacarpal joint driving structure is connected with the near finger and far finger joint driving structure through the sliding adapting block. The near finger and far finger joint driving structure and the metacarpal joint driving structure are of a cavity structure. The length between the metacarpal joint driving structure and the near finger and far finger joint driving structure can be adjusted, so that the position of each section of driving structure corresponds to each finger joint, and the efficiency of hand rehabilitation exercise is improved.

The utility model discloses an efficient morchella picking device, which belongs to the field of agricultural tools and comprises a picking tube, a cutting component and a stabilizing component, the cutting component and the stabilizing component are used for picking morchella, a handle is fixedly connected onto the picking tube, a longitudinal groove, a front groove and a rear groove are arranged on the picking tube, the cutting component is mounted on the outer side of the picking tube, and the stabilizing component is mounted on the outer side of the picking tube. The stabilizing assembly is installed in the picking pipe. By means of the mode, during picking, an operator holds the handle by hand, aligns the bottom of the picking pipe to morchella esculenta and lifts the lifting rod through the little finger and the ring finger to enable the moving plate to move upwards, so that the bottom plate ascends under the action of the guide rod, the stabilizing claw clamps the head of the morchella esculenta, stability of the morchella esculenta is kept, and cutting is convenient; and meanwhile, after cutting is completed, the materials can be directly placed in a collecting box conveniently, the whole process can be operated with one hand, and bending down is not needed.

The utility model relates to a needle selection roller and a glove knitting machine. The needle selection roller comprises a roller body and a needle selection pin area arranged on the roller body. The needle selection pin area comprises a first little finger area, a ring finger area, a middle finger area, an index finger area, a three-finger-palm area, a second little finger area, a four-finger-palm area, a thumb area, a five-finger-palm area and a rib top area; the first little finger region, the ring finger region, the middle finger region, the index finger region, the four-finger region, the thumb region, the five-finger region and the rib top region are matched to weave the flat fork glove; the ring finger area, the middle finger area, the index finger area, the three-finger palm area, the second little finger area, the four-finger palm area, the thumb area and the five-finger palm and rib top area are matched to weave the low-fork glove. According to the needle selection roller in the glove machine, needle selection areas for knitting low-fork gloves and flat-fork gloves are sequentially fused, so that switching between the low-fork gloves and common gloves is realized.

The utility model relates to a finger exerciser which comprises an elastic bag body, the elastic bag body is in an ellipsoid shape, one end of the elastic bag body is large, the other end of the elastic bag body is small so as to adapt to deformation when a palm makes a fist, and five concave areas are arranged on the elastic bag body and correspond to the thumb, the index finger, the middle finger, the ring finger and the little finger in position respectively. Binding belts are fixedly connected to the positions, corresponding to the concave areas, of the elastic bag body, and finger sleeve areas used for limiting fingers are formed between the binding belts and the corresponding concave areas. According to the utility model, fingers are respectively inserted into the finger sleeve areas, the elastic bag body is held and pressed forcibly, the elastic bag body provides elastic force, the action of grabbing an object can be effectively simulated, when the fingers are straightened, the elastic bag body is pulled, the elastic bag body provides elastic impedance, and the action of opening a palm can be effectively simulated; therefore, the finger bending and stretching actions can be fully simulated, the real life scene can be well simulated, the exercise effect is improved, meanwhile, the heating and vibration relaxing functions are achieved, and the functions are more complete.

The utility model discloses wear-resistant abrasive paper, belongs to the technical field of abrasive paper, and solves the problems that an operator feels obvious granular sensation in the holding process of the abrasive paper with lower mesh number, the pain is increased when the operator holds the abrasive paper with higher mesh number, and the palm of the operator is abraded by the abrasive paper if the operator holds the abrasive paper improperly. Comprising an abrasive paper layer and a reinforcing paper layer fixedly connected to the abrasive paper layer through mucilage glue, the edge of the bottom face of the reinforcing paper layer is fixedly connected with the edge of the top face of the abrasive paper layer, a cavity is formed between the reinforcing paper layer and the abrasive paper layer, a three-finger opening, a thumb opening and a little finger opening are formed in the reinforcing paper layer, and the thumb opening and the little finger opening are located on the two sides of the three-finger opening. When the abrasive paper is used, an operator can select modes according to holding habits, fingers can be inserted into the corresponding openings, the abrasive paper is sleeved on the palm, the reinforcing pieces prevent the openings from being torn, if the operator is used to hold, the holding part can be pinched to drive the abrasive paper to polish, and the abrasive paper is ensured not to be damaged during use.

The present application relates to the technical field of dispensing, and discloses a dispensing equipment for labor protection gloves production and a dispensing process thereof, which comprises a dispensing machine, and a multi-station turntable is rotatably installed on the dispensing machine. The dispensing equipment can realize self-adaptive deflection of each displacement finger according to the physiological structure of fingers through linkage driving of the guide plate slope, the push rod, the pressing arm, the guide block and the arc surface. The curvature of the arc surface gradually increases along the positioning finger to the two sides, so that the deflection angle of the displacement finger corresponding to the thumb and the little finger is relatively larger, the fingers and the web space of the gloves can be fully stretched and tightened, the adverse effects caused by the glove wrinkles and the material shrinkage are effectively reduced, the structure design is helpful to keep the surface of the gloves flat, and then the dispensing glue path is more uniform and continuous, the problems such as glue path breakage and gap are reduced, and the dispensing precision and firmness of the overlap reinforcing area of the web space and the fingers are improved, so that the dispensing quality of the labor protection gloves is better guaranteed.

Provided is a hand emulator and an acoustic testing system. The hand emulator includes: a main support configured to support a device under test, the main support includes a palm, a thumb, an index finger, a middle finger, a ring finger and a little finger that are movably arranged at an end of the palm; a stopper including a plurality of limit pillars, at least some of the plurality of limit pillars are arranged on the palm, several limit pillars of the plurality of limit pillars enclose to form an accommodating space, and the device under test is limited within the accommodating space. The hand emulator can measure the frequency response of the speaker and / or the microphone of the device under test, emulate acoustic characteristics similar to the user's hand, and accurately and repetitively position the device under test, which improves existing measurement standards and creates new testing methods.

The utility model provides a swimming finger tip web, and relates to the technical field of sports auxiliary equipment, the swimming finger tip web is mainly composed of a finger tip web body, the finger tip web body is used for being sleeved on an index finger, a middle finger, a ring finger and a little finger at the same time, the finger tip web body is of a hollow cylindrical structure with two open ends, comprising a first opening end and a second opening end, the first opening end is a finger stretching-in end, the second opening end is a finger stretching-out end, and the size of the first opening end is larger than that of the second opening end. The water flow of the controllable area of the four fingers is gathered, and the pressure sense of the water flow can be transmitted to the finger faces due to the fact that the material is thin and soft, so that an athlete can clearly feel the pressure sense of the whole faces generated by gathering.

The utility model discloses an adjustable flexor tendon injury orthosis which comprises an orthosis forearm cylinder, a knob shoelace buckle, a thumb sleeve, an index finger sleeve, a middle finger sleeve, a ring finger sleeve and a little finger sleeve, and the thumb sleeve, the index finger sleeve, the middle finger sleeve, the ring finger sleeve and the little finger sleeve are connected with clamping grooves of the knob shoelace buckle through ropes respectively. The knob shoelace buckle is additionally arranged on the front arm cylinder of the orthosis to adjust the length of the rope, so that the use requirements of flexor tendon injury in different recovery periods can be met, and the service life of the orthosis is prolonged as much as possible; when the flexor tendon is damaged, the orthosis enables the flexor tendon to slide and promote joint movement through active stretching and passive buckling processes, and tendon adhesion and joint stiffness caused by long-term braking can be reduced to the maximum extent; along with the progress of rehabilitation treatment, the passive buckling strength can be adjusted by turning the shoelace buckle to increase or decrease the length of the rope.

The utility model relates to a humanoid robot hand structure which comprises five fingers, a finger base, a wrist and a finger diverging device. Each finger joint (totally 14 joints) can be controlled by the finger joint bending device of the joint to bend or unbend towards the palm, and the thumb can be controlled by the finger base bending device to bend or unbend towards the palm. The wrist can be controlled by the wrist bending device to bend or unbend towards the palm surface, the thumb, the index finger, the ring finger and the little finger (totally four fingers) can be controlled by respective finger diverging devices 7 to complete finger diverging or folding actions, and the middle finger is fixed with the finger base. The movement freedom degree of the hand is 19, the space of the hand is limited, and in order to achieve finger forking or folding control, a finger forking driving element is installed in the small arm. The finger is flexible, the structure is compact, the number of components of the same structure is large, and production and manufacturing are facilitated.

The multi-joint cooperative intelligent dexterous hand comprises a palm shell, and the palm shell is movably connected with a thumb, an index finger, a middle finger, a ring finger and a little finger; the palm shell is provided with a thumb metacarpal bone driving mechanism which is used for enabling the thumb to rotate around the side edge of the palm shell; the thumb is connected with a thumb cooperative driving mechanism which is used for bending the thumb; the index finger, the middle finger, the ring finger and the little finger are all connected with finger cooperation driving mechanisms which are used for enabling the index finger, the middle finger, the ring finger or the little finger to bend. The dexterous hand has six degrees of freedom, the thumb has two degrees of freedom and is used for bending and side swaying, each of the other four fingers has one degree of freedom and is used for finger bending, and through a multi-joint coupling structure, all joint actions are well coordinated, and human hand actions are finely simulated.

A glove including a body having a wrist end, a palm side, and a back side joined to the palm side at a side edge, a thumb finger part, an index finger part, a middle finger part, a ring finger part, a pinky finger part, wherein the body encloses a hand and fingers. A webbing portion disposed between each finger part. A spacer connected to each webbing portion, each spacer separates the finger parts a fixed distance apart to restrict lateral movement of each finger, the spacers position fingers of the user such that an angle of a thumb and a pinky finger is 90-135 degrees.

A hand covering with a mitten shell, a thumb portion extending laterally from the mitten shell, and abbreviated index, middle, ring, and pinkie finger fingertip segments configured to receive only the distal phalanx portions of the index, middle, ring, and pinkie fingers of the hand, respectively. Each fingertip segment has a distal end portion and a tubular peripheral wall that define an inner volume configured to receive only the distal phalanx portion the respective finger up to the distal interphalangeal joint. The inner volumes of the fingertip segments have lengths comprising a distance DD that are at least 20% but not more than 35% of a distance DT for the respective fingertip segment wherein the distance DT for each fingertip segment extends from the distal end of the inner volume to a line traveling laterally across the hand covering crossing a junction where the thumb portion meets the mitten shell.

A novel straight-grip table tennis bat is characterized in that the bat is in an integral structural shape composed of a ball hitting plate, a bat shoulder, a bat neck and a bat handle, the ball hitting plate is basically oval, the bat shoulder is connected with the ball hitting plate, the bat neck is connected with the bat handle, the bat shoulder passes through the bat neck to the front portion of a handle strip of the bat handle and is gradually narrowed, and the front portion from the bat shoulder to the bat neck is wider than the rear portion of the bat handle. The front section of the handle strip of the racket neck is the narrowest part of the racket handle, two sides of the racket neck are concave curves inwards, the racket shoulder and the racket neck are integrally and obviously thinner than a traditional racket, the handle strip is in a wedge shape and is narrow in front, wide in rear, thin in front and thick in rear, the front end of the handle strip is narrower than the racket neck, and an upper handle strip and a lower handle strip of the racket handle are bilaterally symmetrical along the central axis, thick close to the central axis and thin on two sides. When the racket is held, the jaw obliquely faces the middle of the racket handle, the middle finger is naturally attached to the rear racket face, the thumb and the index finger clamp and buckle the racket handle in front of the racket, the ring finger and the little finger lean against the racket shoulder edge, and the two-face racket holding method is scientific, advanced and applicable.

The hand tool 50 is equipped with sensor groups with different information acquisition functions on each of the fingers 22A, 22B, 22C, 22D, and 22E. In other words, it is equipped with sensor groups for acquiring various information required for multimodal robot control. A visual sensor 51A for detecting visual information is installed on the thumb, an auditory sensor 51B for detecting auditory information is installed on the index finger, an olfactory sensor 51C is installed on the middle finger, a tactile sensor 51D for detecting tactile information is installed on the ring finger, and a taste sensor 51E for detecting taste information is installed on the little finger.

We provide gloves with a zipper that make it easy to put on and take off five-finger gloves. [Solution] Open zipper 1 attached to the index finger side and zipper 2 attached to the little finger side of the five-finger glove all the way, fully extend the glove, and once the finger pockets are visible, insert your hand and make sure that your fingertips are securely in place, then close zippers 1 and 2. This reduces the time and effort required to put on and take off the gloves, and in particular, when assisting people with disabilities or paralysis, or their caregivers, to put on gloves, it reduces the effort of fumbling around to place each finger into the finger pocket, and allows for quick preparation.

An ergonomic hand grip strengthener includes a front operation handle for ergonomic placement of an index finger, a middle finger, a ring finger and a pinky finger of the holding hand of the user, a rear operation handle for abutting against a thumb and a palm of the holding hand of the user, and a strength adjustment assembly for adjusting a resistance applied to approaching movement between the front operation handle and the rear operation handle.

A hospital-type gown or surgical gown, featuring a new sleeve end or cuff design and method of manufacture. The garment includes a main body and sleeves, with the distal end of each sleeve or cuff is constructed to provide optional superior protection and retention within a glove. The novel cuff or sleeve end design provides for perforations within an intact cuff that may allow the passage of a finger, and yet that integrity of wrist and glove junction has not been compromised when not used, and when used provides superior anchor to the wearer's thumb, and pinkie and or finger(s), inside the glove, offering improved protection and / or padding for the hand and wrist.

This invention discloses a humanoid dexterous hand and robot, specifically relating to the field of humanoid robot technology. It includes a hand support, finger modules mounted on the hand support, and a control module signal-connected to the finger modules. The finger modules include a thumb assembly, an index finger assembly, a middle finger assembly, a ring finger assembly, and a little finger assembly. The thumb assembly includes a flexible thumb and a thumb drive device for bending and retracting the thumb. The index finger assembly includes a flexible index finger and an index finger drive device for bending and retracting the index finger. The middle finger assembly includes a flexible middle finger and a middle finger drive device for bending and retracting the middle finger. The ring finger assembly includes a flexible ring finger and a ring finger drive device for bending the ring finger. The little finger assembly includes an octopus-tentacle-like appendage and an octopus-tentacle drive device for bending the appendage. This invention improves the dexterity of the little finger, enhances the grasping ability and operational versatility of the entire hand, and features low manufacturing cost and high maintenance convenience.

(1) The article to which the design relates (hereinafter, sometimes referred to as the "Article") is a pair of scissors used by barbers, hairdressers, groomers, etc. to cut human hair or pet hair. (2) That is, as shown in the reference exploded perspective view, reference perspective view, and reference cross-sectional view of the threaded portion, the moving blade 20 and the stationary blade 22 intersect with each other around a screw member 8 formed by threading a male screw 6 having central hollow portions 3, 1 with a female screw 2. When the handle portions 24, 26 having finger holes 32, 34 are closed, the scissors bodies 28, 29 overlap. (3) Specifically, the male screw 6 is a hollow, rivet-shaped member having slits 5 on all four sides of a circular tube 11, a male screw portion 7 with an outer thread groove, and a caldera-shaped flange portion 10. The flange 10 has recesses 12 on all four sides that engage with a tool for attachment and detachment. (4) On the other hand, the female screw 2 is a hollow rivet-shaped member consisting of a female screw portion 9 provided with a thread groove on the inside of a circular tube to screw with the male screw 7, and a caldera-shaped flange portion 14. Like the male screw 6, the flange 14 has recesses 16 on all four sides that engage with a tool for attachment and removal. (5) The moving blade 20 and the stationary blade 22 are screwed together with the screw members 2 and 6 via the resin ring 4, thereby minimizing play between the blades and allowing them to be opened and closed smoothly with little force. (6) The handle portion 24 of the moving blade 20 is provided with a stopper portion 30 that acts as a buffer member when it hits the stationary blade 22, and the handle portion 26 of the stationary blade is provided with a little finger hook 38 that protrudes in a hook-like shape on the side opposite the scissors body 29. (7) The handle portions 24, 26 of the moving blade 20 and the stationary blade 22 of this tool are provided with finger holes 32, 34 with intricately twisted, streamlined surfaces, and a branch-like bent knob 36 is provided between the finger holes 34 and the scissors body 29. (8) As a result, when the tool is viewed from the front, the opposite side can be seen through the hollow part of the screw member, giving it a delicate impression. (9) Furthermore, the moving blade and the stationary blade open and close using the hollow screw member as a fulcrum, giving it an intricate, mechanical appearance.(10) In addition, since the flange of the screw member has predetermined recesses on all four sides, the user can be made aware of the presence of the screw member, giving a more refined impression and contributing to improving the aesthetic appeal of the design. (11) Therefore, not only can it be used for cutting scissors, but also for thinning scissors, as shown in the reference perspective view of another embodiment, by making part of the stationary blade serrated, it can give a more sophisticated and refined impression.

The utility model discloses a glove type gripping tool. The glove type gripping tool comprises a gripping sleeve and a cotton cushion, wherein the gripping sleeve is matched with a palm in wearing, and the cotton cushion is fixed at the palm center of the gripping sleeve. The cotton cushion has elasticity, the cotton cushion shrinks when force is applied to pinch and hold, the thumb is separated from other fingers when the cotton cushion is relaxed, and dangerous behaviors such as skin scratching and catheter pulling of a patient in an unconscious state are avoided. The holding sleeve comprises a thumb wearing part, an index finger wearing part, a middle finger wearing part, a ring finger wearing part and a little finger wearing part, the cotton pad and the root of the finger wearing parts are sewn and fixed, and gaps are reserved between adjacent sewing parts so as to prevent friction and compression between fingers. A thickening layer is arranged on the inner side of the head end of the holding sleeve and extends to the finger pulp, and a protruding structure is arranged on the surface to provide buffering, protecting and massaging effects. The holding sleeve is made of breathable flexible materials, is comfortable, breathable and durable, and is suitable for daily wearing and nursing of dementia and disabled patients.

The utility model relates to the field of humanoid robots, in particular to a humanoid robot dexterous hand which comprises a palm, a thumb and four grabbing fingers. A steering engine connected with the thumb, a first index finger active joint motor, a first middle finger active joint motor, a first ring finger active joint motor, a first little finger active joint motor and a first thumb active joint motor are installed in the palm, wherein the first index finger active joint motor, the first middle finger active joint motor, the first ring finger active joint motor, the first little finger active joint motor and the first thumb active joint motor correspond to the four grabbing fingers in a one-to-one mode. According to the humanoid robot dexterous hand, due to the fact that the pushing mechanisms between the fingers are mutually independent, the fingers do not interfere with one another in the working process, the situation that wires are wound together like a traditional wire pulling mode is avoided, and reliability is higher.

The embodiment of the present application discloses a mechanical hand, which comprises a palm, fingers and a plurality of joint modules; the fingers comprise an index finger, a middle finger, a ring finger and a little finger, each of the index finger, the middle finger, the ring finger and the little finger comprises a knuckle base, a proximal knuckle and a distal knuckle which are rotatably connected in sequence, the plurality of joint modules are arranged on the palm and correspond to the index finger, the middle finger, the ring finger and the little finger one by one, the joint module comprises a driving part and a transmission part, the knuckle base is arranged on the driving part, at least part of the driving part is rotatably connected with the proximal knuckle, the output end of the driving part can drive the proximal knuckle to rotate relative to the palm to bend and contract the proximal knuckle, the transmission part is rotatably connected between the distal knuckle and the knuckle base, and the proximal knuckle can be coupled to drive the distal knuckle to bend relative to the palm. The single driving unit of the mechanical hand of the embodiment of the present application can control the movement of a plurality of knuckles at the same time, the synchronous movement of the multiple knuckles is realized through mechanical coupling, and the complexity of the control system is simplified.

The handheld auxiliary device comprises a guide sleeve, a supporting piece and two rings, the supporting piece is arranged around an end opening of the guide sleeve and integrally formed with the guide sleeve, and the two rings are arranged on the two sides of the guide sleeve respectively and connected with the guide sleeve. Through the combined action of the guide sleeve and the supporting piece, one end of the endoscope penetrates through the cavity, and the other end of the endoscope is stably placed on the supporting piece; the little finger and the ring finger of a surgeon penetrate through the different finger rings respectively, the middle finger, the index finger and the thumb of the surgeon can be matched with the other hand to conduct a single-side double-channel endoscopic spine minimally invasive surgery, compared with single-hand operation, the single-hand operation is more stable, nerve injury is not prone to being caused, enough axial pressure and torque can be provided, and the surgical efficiency is improved. And the bony structure processing efficiency is improved.

An auxiliary writing tool, including a first receiving component, defined with a first channel and a first receiving section, The first channel extends through the first receiving component along its main longitudinal direction and is configured to receive a writing tool. The first receiving section is configured to receive the distal ends of the thumb and index finger. A second receiving component, made of elastic material, and connected to the first receiving component. The second receiving component includes a through-hole, a first abutment portion, and a second placement portion; the first abutment portion is configured to abut against the user's palm; the second placement portion is configured to accommodate the distal ends of the middle finger, ring finger, and little finger. The auxiliary writing tool is comprehensively and comfortably assisted in correcting and supporting proper finger posture for writing, with a broad range of adaptability.

The application relates to the technical field of robots, in particular to a dexterous hand and a robot to solve the problem that a dexterous hand cannot simultaneously have high flexibility and small size due to a side swing structure. The dexterous hand has independent swing functions of small fingers and / or ring fingers through at least one first side swing driving assembly and one second side swing driving assembly, and the index finger also has an independent swing function. The extension direction of the first side swing driving assembly is parallel to the extension direction of the finger when the first side swing driving assembly is arranged to stretch, the extension direction of the second side swing driving assembly is crossed with the extension direction of the index finger when the second side swing driving assembly is arranged to stretch, and one end of the second side swing driving assembly extends towards the middle finger, so that the mounting position of the thumb is closer to the middle finger and the index finger. The compact structure of the dexterous hand enables the multiple fingers of the dexterous hand to have independent side swing functions while also considering small size, so that the dexterous hand is suitable for more extensive application scenarios.

The invention discloses a humanoid dexterous hand and a robot, and particularly relates to the technical field of humanoid robotics.The humanoid dexterous hand comprises a palm support, a finger module installed on the palm support and a control module in signal connection with the finger module, and the finger module comprises a thumb assembly, an index finger assembly, a middle finger assembly, a ring finger assembly and a little finger assembly; the thumb assembly comprises a flexible thumb and a thumb driving device for driving the thumb to bend, fold and unfold, the index finger assembly comprises a flexible index finger and an index finger driving device for driving the index finger to bend, fold and unfold, and the middle finger assembly comprises a flexible middle finger and a middle finger driving device for driving the middle finger to bend, fold and unfold. The ring finger assembly comprises a flexible ring finger and a ring finger driving device for driving the ring finger to bend, and the little finger assembly comprises an octopus-imitated tentacle and an octopus tentacle driving device for driving the octopus-imitated tentacle to bend. The flexibility of the little finger can be improved, the grabbing capacity and operation diversity of the whole hand are enhanced, the manufacturing cost is low, and the maintenance convenience is high.

The utility model discloses a pen holding corrector for supporting fingers in the technical field of pen grippers, which comprises a position control ball, a positioning ring and a supporting gasket, the position control ball is a ball body, the positioning ring is a circular ring, the supporting gasket is of an arc-shaped long strip structure, the positioning ring is arranged at the top of the supporting gasket, and the supporting gasket is arranged at the bottom of the positioning ring. The pen holding posture of the ring finger and the little finger can be corrected, correct annular holding is formed, the correct pen holding posture is formed, more stable support is provided for pen holding, a larger pen wielding space is provided for the three fingers for pen holding, enough push-pull pen wielding space can be provided for transverse, vertical, left-falling and right-falling fingers, and the fingers are assisted in writing more smoothly.