87 results about "Foot structure" patented technology

The invention discloses a leg and foot structure and a humanoid robot, and belongs to the field of humanoid robots. The leg-foot structure comprises a leg component, a foot component, a first driving component, a second driving component and a third driving component, the foot component comprises a heel part and a sole part, the heel part is movably connected with the sole part, and the heel part is movably connected with the leg component; the first driving assembly is arranged on the leg assembly and connected with the heel part, the second driving assembly is arranged on the heel part, the third driving assembly is arranged on the sole part, the first driving assembly is used for driving the foot assembly to do pitching motion relative to the leg assembly, and the second driving assembly is used for driving the heel part to do side-sway motion relative to the leg assembly. The third driving assembly is used for driving the foot sole part to do pitching motion relative to the heel part.

The utility model provides a controllable micro-motion elastic internal fixation device with a bidirectional locking pressing plate structure, and belongs to the technical field of orthopedic medical instruments. Comprising a plurality of bridging rods; and the two end blocks are arranged at the two ends of the bridging rod. A stable frame structure is constructed through the combination of the bridging rod, the end block and the fixing screw, a fracture part is effectively connected and fixed in the axial direction, then a bidirectional locking mechanism is formed through the upper pressing plate, the lower pressing plate, the adjusting lead screw and the locknut, and the fracture part is locked by screwing the locknut. The distance and pressure between the pressing plates can be accurately adjusted and locked, dynamic force generated by factors such as muscle contraction and limb movement can be effectively resisted in the long-term use process, the pressing plates are prevented from loosening or displacing, and it is ensured that the fixing device always keeps the stable fixing effect; and the problems of poor fracture healing or malformation healing and the like caused by fixation failure are avoided.

The invention discloses a leg and foot structure and a humanoid robot, and belongs to the field of humanoid robots. The leg-foot structure comprises a leg component, a foot component, a first driving component and a second driving component, the first driving assembly is arranged at one end of the leg assembly, the second driving assembly is arranged on the foot assembly, and the first driving assembly is connected with the second driving assembly; the first driving assembly is used for driving the second driving assembly to do pitching motion relative to the leg assembly, so that the second driving assembly drives the foot assembly to do pitching motion, and the second driving assembly is used for driving the foot assembly to do side-sway motion relative to the leg assembly.

The invention discloses a lower limb rehabilitation auxiliary robot, which relates to the technical field of rehabilitation medical instruments and comprises a waist structure, a crotch structure, a leg structure, a knee joint structure, an ankle structure and a foot structure. The leg structure is provided with an upper plate, a lower plate and a leg limiting structure, the upper plate and the lower plate are arranged up and down, an inserting groove is formed in the lower end of the upper plate, the upper end of the lower plate is inserted into the inserting groove in a sliding fit mode, a clamping groove penetrating into the inserting groove is further formed in the upper plate, and the leg limiting structure is installed at the clamping groove and used for limiting relative sliding of the upper plate and the lower plate during locking. The leg structures and the waist structure have the functions of flexibly adjusting and locking the length and the width respectively, and SEA series elastic actuators in the knee joint structures provide an elastic receding interval within a certain range for a patient on the included angle parameters of the thigh structures and the shank structures. Full-parameter adaptation, safe elastic driving and efficient rehabilitation training of the body type of the patient can be achieved, and the device is suitable for full-process rehabilitation treatment of different dyskinesia patients.

The invention provides a soft crawling robot and a preparation method thereof, and relates to the technical field of robots, the soft crawling robot comprises two spring drivers and two foot structures; each spring driver comprises a rear end cover and a front end cover, a rear end ventilation sleeve is arranged in the rear end cover, a front end ventilation sleeve is arranged in the front end cover, a spring is arranged between the rear end ventilation sleeve and the front end ventilation sleeve, and the rear end ventilation sleeve and the front end ventilation sleeve are arranged outside the spring in a sleeving mode. The rear end ventilation sleeve, the front end ventilation sleeve, the rear end cover and the front end cover are jointly closed to form a vacuum air bag with a sealed cavity. The vacuum air bag is connected with an air pipe and is connected with an external vacuum pump through the air pipe to provide negative pressure; and foot structures are respectively arranged at the bottom of the front end cover and the bottom of the rear end cover of the spring driver. By adopting a double-driver structure and a driving mode that the vacuum air bag is matched with the spring, linear motion and steering motion can be achieved, and motion flexibility and terrain adaptability are remarkably improved.

The utility model discloses a selfie stick with a telescopic support leg structure, which comprises a main rod and a plurality of support legs, the plurality of support legs are arranged around the peripheral surface of the main rod, and the plurality of support legs can rotate relative to the main rod so as to be unfolded or folded; the clamping part is used for clamping an electronic terminal, the clamping part is fixedly connected with the upper end of the main rod, and the clamping part can rotate around the upper end of the main rod; telescopic supporting legs are arranged at the tail ends of the supporting legs, and the telescopic supporting legs can movably extend relative to the supporting legs. By designing the telescopic supporting leg structure, the length of the selfie stick main rod can be further reduced through the telescopic function of the supporting leg, a user can carry and store the selfie stick conveniently, and the selfie stick has the advantages of being simple in structure and convenient to assemble.

The invention discloses a robot leg and foot structure capable of reversing front and back based on double-connecting-rod transmission. The leg and foot structure comprises a thigh component, a hip joint, a shank component and a knee joint. The thigh component comprises a thigh component outer side piece and a thigh component inner side piece; the thigh component outer side piece and the thigh component inner side piece are fixedly connected, and other parts in the thigh component are enveloped by the thigh component outer side piece and the thigh component inner side piece; the hip joint is arranged at the upper end of the thigh component and is a rotational degree of freedom joint, and the knee joint is arranged at the lower end of the thigh component and is a rotational degree of freedom joint; the upper end of the shank component is of a three-axis hinged structure connected with the thigh component and the double-connecting-rod structure, the lower end of the shank component is a part making contact with the ground, and the position making contact with the ground is a semi-cylinder. The large-range forward and backward movement of the shank component relative to the thigh component is achieved through the double-connecting-rod structure, that is, the knee joint can bend forwards or backwards, and no dead point position exists.

The invention relates to the technical field of humanoid robots, and discloses a humanoid robot leg structure which comprises a hip structure and further comprises a thigh structure which comprises a rotating part and an extending part, the rotating part is connected with the hip structure, and the extending part is connected with the rotating part; the rotating part and the extending part are respectively used for driving the thigh to rotate and adjusting the length of the thigh; the knee structure is mounted on the extension part, can rotate relative to the thigh structure and can swing back and forth along the thigh structure; the shank structure is mounted on the knee structure and used for adjusting the length of the shank; the foot structure comprises an autorotation part, an adjusting part and a foot plate, the autorotation part is connected with the shank structure, the adjusting part is connected with the autorotation part, and the foot plate is connected with the adjusting part; according to the robot, more movement automation degrees, variable limb lengths and better bionic characteristics can be realized while compact structure and accurate control are ensured, and the movement performance and adaptive capacity of the robot are improved.

The utility model relates to the technical field of office chair accessories, in particular to a compression-resistant and wear-resistant five-star foot of an office chair. Comprising a five-star foot base, sliding clamping grooves are formed in the bottoms of the ends of five supporting legs of the five-star foot base, trundle top plates are clamped in the sliding clamping grooves, fixing bases are rotationally connected to the bottoms of the trundle top plates through rotating shafts, and movable trundles are installed in the fixing bases; fixing grooves are formed in the tops of the five supporting leg ends of the five-star foot base, and limiting locking mechanisms matched with the trundle top plates are arranged in the fixing grooves. The five-star foot structure provided by the utility model has compression-resistant and wear-resistant characteristics and a convenient disassembly function, and the maintenance process is simplified and the use cost is reduced while the running stability of the trundle is ensured, so that the overall practicability and economical efficiency of the office chair are improved.

The invention discloses a self-adaptive ankle joint mechanism and foot structure for a mobile exoskeleton, which is used for assisting a wearer to realize autonomous movement and comprises a rear insole, a rear cover, a front insole, a front cover, a steel rope buckle, a rotating column, a motor, a rotor connecting piece, a rotor foot connecting piece, a motor mounting plate, a tibia shield, a sliding rod, a telescopic buckle, a spring buckle and a spring, the rear insole, the rear cover, the front insole and the front cover form a bottom plate structure for supporting a foot, the bottom plate structure adopts a double-section split structure and is divided into a front sole area and a heel area, and the front sole area and the heel area are connected through a detachable and deformable soft rubber material. Through one active degree of freedom and a plurality of additional passive degrees of freedom, the movement flexibility of the human body is remarkably improved, and then the walking stability and the adaptability to the uneven ground are enhanced.

This utility model relates to the field of machine tool feet, and discloses an embedded machine tool foot structure, including a foot body, two nuts threaded onto the foot body, and two washers disposed between opposite sides of the two nuts; a positioning mechanism is provided on the lower side of the foot body; the positioning mechanism includes a pre-embedded base disposed on the lower side of the foot body, two reinforcing plates fixed on the left and right sides of the pre-embedded base, an assembly groove formed at the center of the upper surface of the pre-embedded base, and a connecting piece for fixing the foot body and the pre-embedded base. This utility model, through the rigid connection between the pre-embedded base and the ground, can withstand greater loads; the four reinforcing plates form a rigid frame with the pre-embedded base, further improving the stability of the pre-embedded base; and fixing the pre-embedded base to the foot body through the connecting piece prevents horizontal displacement of the foot during machine tool operation, thereby avoiding affecting the machining accuracy of the machine tool.

The utility model relates to the related technical field of seat disassembly and assembly feet, and discloses a modularized seat disassembly and assembly foot assembly, which comprises a supporting foot stand, the supporting foot stand comprises three connecting feet, and a fixing disc and a fixing shaft which are used for sequentially and rotatably sleeving one ends, close to each other, of the three connecting feet, and fixing pieces are arranged on the upper sides of the three connecting feet. A stable supporting structure is formed by arranging the supporting foot stands, the connecting feet, the fixing disc and the fixing shaft, the purpose of rapidly installing and fixing the supporting foot structure can be achieved by arranging the limiting disc, the protruding block and the clamping groove in the fixing piece, and the whole fixing effect is relatively stable; and through the arrangement of a pedal in the pedal assembly, the pedal can be conveniently unfolded or folded through manual selection after installation, so that the function of the whole disassembly and assembly foot is supplemented, the feet of people can be conveniently placed when people sit, and the practicability and stability of the whole disassembly and assembly foot assembly are greatly improved.

The utility model relates to an aluminum alloy component, in particular to an aluminum alloy component used as a wall support, which comprises a base, a first support portion and a second support portion, a first foot structure is arranged at the top of the base, and a second foot structure and a third foot structure are respectively arranged at two ends of the first support portion. A fourth leg structure is arranged at the bottom end of the second supporting part, the base, the first supporting part and the second supporting part are sequentially connected end to end, the first leg structure is in butt joint with the second leg structure, and the third leg structure is in butt joint with the fourth leg structure; each of the first leg structure, the second leg structure, the third leg structure and the fourth leg structure comprises a first butt joint leg and a second butt joint leg which are arranged in parallel. The aluminum alloy assembly used as the wall body support is high in supporting strength and stability.

The utility model relates to a foot skeleton, a foot structure, a mechanical leg and a foot type robot, the foot skeleton is provided with at least one deformation arm, and the at least one deformation arm is arranged in at least one of the length direction and the width direction of the foot skeleton. A deformation hole is formed in the side part of the deformation arm, and the axial direction of the deformation hole extends along the width direction of the foot skeleton; the section of the deformation hole in the direction perpendicular to the axial direction of the deformation hole is an annular hole. At least one deformation arm is provided with at least one force detection module. The foot skeleton is further provided with at least one installation part used for being connected with an external component. According to the foot skeleton, the force detection module is arranged at the position of at least one deformation arm, so that the stress path of the foot sole is changed, external force borne by the foot sole can be transmitted to the positions of the force detection modules, the sensing accuracy of the force detection modules is improved, the structural difficulty is simplified, the integration level and the space utilization rate of a foot structure are improved, and the foot skeleton is suitable for being popularized and applied. And the structural volume and the weight are reduced.

The utility model provides a kind of foot structure and humanoid robot for humanoid robot, including sole, heel, direct drive motor and flange bearing.Sole is contacted with ground, realizes left and right rotation;Heel is connected with calf, realizes front and back rotation.Direct drive motor is installed in sole front end, is connected heel by motor rotor, controls left and right rotation.Flange bearing is installed in heel upper end, is connected with calf, controls front and back rotation.Single-double ankle conversion mechanism is fixed or releases rotation by screw through sole side surface through-hole and heel screw hole.When sole and heel are loosened, motor drives sole to rotate relative to heel, realizes double ankle function;Screw fixation is single-ankle state.This design not only simplifies the complexity of traditional double-ankle design, reduces production cost and time consumption, but also improves the adaptability and flexibility of foot, so that robot can better adapt to complex terrain and diversified environment.

The application discloses a wearable foot type structure based on a self-locking tensegrity structure, which comprises a supporting structure, a treading plate, a tensegrity structure and a locking structure, wherein the supporting structure comprises a top plate and a bottom plate below the top plate; the top plate and the bottom plate are rotationally connected through a rotating structure; the treading plate is installed above the rear side of the top plate through an elastic component; the top plate and the bottom plate are flexibly connected through the tensegrity structure; the locking structure comprises four ratchets, four pawls and a first guide wheel, the four ratchets are installed on the rear side of the top plate through rotating shafts respectively; the four pawls are fixed at the bottom of the treading plate respectively and correspond to the four ratchets respectively; the first guide wheel is installed on the front side of the top plate through a rotating shaft; the two ratchets which are symmetrically distributed are transmissionally connected through a first transmission rope, the ratchet located on the front side is connected with the bottom plate through a second transmission rope around the first guide wheel, and the remaining three ratchets are connected with the bottom plate through third transmission ropes respectively. The application has the characteristics of flexibility and stability.

The utility model relates to a foot structure, a mechanical leg and a foot type robot, the foot structure comprises a force uniformizing plate, and the middle of the force uniformizing plate is concaved inwards to form a containing part. The foot skeleton is located in the containing part, and a gap is formed between the foot skeleton and the force equalizing plate. The cantilever beam assemblies are arranged in the circumferential direction of the foot framework at intervals; one end of the cantilever beam assembly is connected to the force equalizing plate, and the other end of the cantilever beam assembly is connected to the foot framework. At least one cantilever beam assembly is provided with at least one force detection module. According to the foot bone structure, the force detection modules are arranged on the cantilever beam assembly, external force borne by the foot bottom can be transmitted to the positions of the force detection modules, the sensing accuracy of the force detection modules is improved, the structural difficulty is simplified, the integration level and the space utilization rate of the foot structure are improved, and the structural size and weight are reduced.

The utility model discloses a robot foot device with terrain adaptability. The device is composed of a hooke joint, a connecting platform and four contact feet, the hooke joint is composed of a first hinge seat, a second hinge seat and two rotating pairs, each contact foot is composed of a first component, a second component and a circular arc dovetail groove, and torsion return springs are installed at the positions of the two rotating pairs of the hooke joint and used for achieving the reset function. A buffering and damping device is arranged between the connecting platform and the first component, one end of the connecting platform is fixedly connected with the second hinge seat, the other end of the connecting platform is connected with one end of the first component through a first moving pair, the other end of the first component is connected with one end of the second component through an arc-shaped dovetail groove, and the four contact feet are symmetrically arranged below the connecting platform. The contact foot structure can be automatically adjusted, the terrain adaptive capacity is improved, and the contact foot structure has the advantages of being good in terrain adaptive capacity, high in buffering and damping capacity and the like.

The utility model relates to a presser foot structure of a template sewing machine, which comprises a body, the body is provided with an arc groove, the bottom of the body is a plane part used for preventing cloth from tilting, the plane part is of a plane structure, the plane part is provided with a through opening, and the opening is used for a needle to penetrate. A guide rod integrally arranged with the body is arranged on the outer side of the body, one end of the guide rod extends towards the outer side to serve as an extending end, the other end of the guide rod extends towards the opening and is connected with the opening, and the guide rod is used for guiding sewing adhesive tape to the position below the needle head. The adhesive tape sewing machine has the advantages that the sewing efficiency of the sewing adhesive tape can be improved.

1. The name of the design product: floor drain foot structure. 2. The use of the design product: installed on the ground in the bathroom, kitchen, balcony, etc. for placing floor drain cover plate. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The right view is symmetrical with the left view, and the right view is omitted; the bottom view is symmetrical with the top view, and the bottom view is omitted.

The utility model provides an adjustable footing structure and a household electrical appliance, the adjustable footing structure comprises a first footing assembly, the first footing assembly comprises a seat body, a support leg movably connected to the seat body along the height direction, and a driving part installed on the seat body and used for driving the support leg to move along the height direction; the fixing piece and the first bottom foot assembly are arranged at an interval, and the fixing piece is provided with a clamping groove; the driving rod is connected into the clamping groove, and the end, away from the fixing piece, of the driving rod is connected with the driving component. The driving rod extends from the first bottom foot assembly and is connected to the fixing piece, so that the driving rod can be adjusted at the position where the fixing piece is located so as to achieve height adjustment of the first bottom foot assembly, namely remote adjustment of the first bottom foot assembly can be achieved.

The utility model discloses a kind of hub decoration center cover and its card foot structure, including hub decoration center cover body, several card foot bodies are integrally formed on hub decoration center cover body, several card foot bodies are annular array, card foot body includes arc plate, arc-shaped block integrally formed with the outer contour of arc plate, arc-shaped block is used to be clamped into the recess of hub body, arc-shaped block is spaced distribution on arc plate, interval is equipped between arc plate and hub decoration center cover body, card mouth is also equipped on card foot body, annular snap spring is clamped in card mouth, and snap spring is used to support arc-shaped block. The structure is integrally formed by card foot body and center cover body, and arc-shaped block is elastically supported using snap spring, which significantly improves the clamping stability, reduces the possibility of falling off during later use process;At the same time, the interval design between arc plate and body gives card foot elastic deformation space, effectively buffers stress during pressing installation process, avoids the fracture caused by excessive rigidity.

The application discloses a kind of complex terrain-oriented adaptive passive wearable hemodialysis machine load devices, including the load platform of wearing in the waist of user, hemodialysis machine is carried in the inside of load platform, outside is equipped with wearing fixed structure, two ends are respectively equipped with leg structure;The leg structure includes the spring recovery device A of being adapted to swing inside and outside of thigh inside measurement, femoral skeleton and calf skeleton;The rear end of the femoral skeleton is equipped with load-bearing connecting rod device, and the rear end of calf skeleton is equipped with power-assisted connecting rod device;The spring energy storage device B is equipped in the hip joint of the femoral skeleton and load platform connection, and the spring energy storage device C is equipped in the knee joint of the femoral skeleton and calf skeleton connection;Femoral skeleton and calf skeleton inside are equipped with the structure of adjustable leg binding height of different body type wearers;The lower end of the leg structure is equipped with foot structure;Spring recovery device D that can be adapted to swing inside and outside of ankle is equipped in the ankle joint of foot structure.

This utility model discloses a robot foot structure, comprising: a foot body; a cushioning component connected to the bottom of the foot body; an anti-slip component disposed on the side of the cushioning component opposite to the foot body; and a sensor component, at least a portion of which is disposed between the anti-slip component and the cushioning component. According to the robot foot structure of this utility model embodiment, by providing a cushioning component at the bottom of the foot body and an anti-slip component on the side of the cushioning component opposite to the foot body, the friction between the foot structure and the ground can be increased, and impact energy can be attenuated. This prevents damage to the robot due to large impacts on the foot structure, improves the wear resistance of the foot structure, facilitates maintenance, and extends the robot's service life.

The utility model relates to a foot skeleton, a foot structure, a mechanical leg and a foot type robot, the foot skeleton is provided with at least one deformation arm, and the at least one deformation arm is arranged in at least one of the length direction and the width direction of the foot skeleton. A deformation hole is formed in the side part of the deformation arm, and the axial direction of the deformation hole extends along the width direction of the foot skeleton; the deformation hole comprises an opening end which penetrates through the bottom face of the deformation arm. At least one deformation arm is provided with at least one force detection module. The foot skeleton is further provided with at least one installation part used for being connected with an external component. According to the foot skeleton, the force detection module is arranged at the position of at least one deformation arm, so that the stress path of the foot sole is changed, external force borne by the foot sole can be transmitted to the positions of the force detection modules, the sensing accuracy of the force detection modules is improved, the structural difficulty is simplified, the integration level and the space utilization rate of a foot structure are improved, and the foot skeleton is suitable for being popularized and applied. And the structural volume and the weight are reduced.

The invention belongs to the technical field of doll elements, and particularly relates to a movable doll element which comprises a chest and neck structure, elbow structures, an abdomen wearing prevention structure, hip and leg structures, shank structures and foot structures, the chest and neck structure comprises a chest body and neck joints, the elbow structures comprise elbow joints, the elbow joints are sleeved with big arm outer sleeves on big arm inner supporting piles, and the hip and leg structures are connected with the big arm outer sleeves. The forearm inner supporting pile is sleeved with a forearm outer sleeve, the lower end of the forearm inner supporting pile is connected with a hand structure, the abdomen anti-wearing structure comprises an abdomen inner joint, an abdomen outer sleeve and an anti-wearing outer sleeve, the hip-leg structure comprises a hip-leg joint, and the top of the hip-leg joint is sleeved with a hip outer sleeve and a thigh outer sleeve. The shank structure is hinged to the bottom of the thigh jacket, the movable doll element body integrates modeling and mobility, good durability is achieved through material matching, and the movable doll element body can also be matched in special scenes such as armor dolls; and the industrial pain point that'attractiveness' and'mobility 'are difficult to balance is solved.

The application discloses a deformable wheel-foot structure based on a tensegrity structure, a robot and a working method, and relates to the technical field of robots, and comprises a structural basic unit, a plurality of structural basic units are sequentially connected in series through elastic ropes to form a semi-ring-shaped tensegrity structure, one end of two semi-ring-shaped tensegrity structures is connected through a driving mechanism, and the other end is connected through a fitting interface, thereby forming a ring-shaped tensegrity structure, the driving mechanism is used for driving the stretching and contraction of the elastic ropes on the ring-shaped tensegrity structure, so that the deformation is realized through the opening and closing of the fitting interface. Through the switching between the wheel mode and the leg-foot mode, the robot has the rapid moving ability of a wheeled robot and the obstacle-crossing ability of a leg-foot robot, and further forms multiple motion modes.

The application provides a wheel-foot structure and a robot, which are used for being installed on one side of a thoracic cavity main body structure, the thoracic cavity main body structure comprising a first driving member; the wheel-foot structure comprising a thigh, a rocker, a connecting rod, a shank and a wheel assembly; one end of the thigh is fixedly connected with a fixed part of the first driving member, and the other end of the thigh is hingedly connected with a non-end part of the shank; one end of the rocker is fixedly connected with a rotating part of the first driving member, and the other end of the rocker is hingedly connected with one end of the connecting rod; one end of the shank is hingedly connected with the other end of the connecting rod, and the other end of the shank is rotatably connected with the wheel assembly. The robot comprises the thoracic cavity main body structure and the wheel-foot structure, and the thoracic cavity main body structure is movably connected with the wheel-foot structure. In the application, the knee joint rotating pair of the robot is moved upward by using the equivalent structure of the parallel four-bar mechanism, the inertia of the wheel-foot structure relative to the knee joint is reduced, and the volume of the overall structure of the robot is compressed.