114 results about "Hand injury" patented technology

The utility model provides a clamp type grain surface sealing device. The clamp type grain surface sealing device mainly comprises a base and an extrusion component, and a pincerlike structure is formed through the hinge. The jaw can stably clamp an operated object (a U-shaped groove, a hose and a film). By pinching and pressing the handle, the extrusion part of the jaw can extrude the hose, and the hose and the film are pressed into the U-shaped groove together, so that sealing operation is realized. When the handle is released, the handle and the extrusion component automatically reset under the elastic action of the spring. And when the device is moved to the next position, the sealing operation can be continued. Automatic processing of the grain surface sealing process is achieved, operation is easy, and the working efficiency is effectively improved; the extrusion effect on the thin film and the hose can be reduced, and the service life of related facilities is prolonged; and the safety is good, and hands of operators can be prevented from being hurt in the construction process.

The utility model provides a saw changing mechanism for a sawing machine, which belongs to the technical field of sawing machine saw changing equipment and comprises a supporting plate, a movable column is mounted at the axis of the supporting plate, a hexagonal block is fixedly connected to the end of the movable column, a plurality of groups of connecting pipes are mounted on the supporting plate, suckers are arranged at the ends of the connecting pipes, and a connecting piece is further fixedly connected to the supporting plate. The connecting pipe and the suction cup are arranged on the supporting plate, the supporting plate is adsorbed on the saw blade through the action of the suction cup, and therefore the rotation direction of the saw blade is consistent with the rotation direction of the supporting plate; and anticlockwise force can be applied to the saw blade by applying anticlockwise force to the supporting plate by holding the grip, so that the hand of an operator is prevented from being in direct contact with the saw blade, the risk of hand injury is reduced, and the problem that the hand of the operator is easily injured when the saw blade is mounted in the prior art is solved.

The utility model discloses a grafting device for citrus reiculata Blanco planting, and relates to the technical field of forest tree grafting. The cutting device comprises a mounting frame, a baffle is fixedly connected to the left end of the mounting frame, a mounting block is arranged on the inner side of the mounting frame, an adjusting assembly used for controlling the position of the mounting block is arranged on the surface of the mounting frame, a cutting assembly is vertically and movably mounted on the surface of the mounting block, and a positioning assembly is arranged on the surface of the cutting assembly. The positioning assembly is used for controlling the descending height of the cutting assembly, the adjusting assembly comprises a lead screw, the lead screw is rotationally connected with the inner wall of the mounting frame and is in threaded connection with the mounting block, and one end of the lead screw is fixedly connected with a rotary knob. The cutting depth can be accurately controlled, the cutting process is more stable, hands are not prone to being injured, and using is safer.

The utility model provides an improved restraining bat which comprises a bat body and an elastic restraining ball, the front end of the bat body is oval, and the bat body is used for placing and restraining the hand of a patient; the racket body comprises an upper covering piece and a lower covering piece, and the front portion of the upper covering piece and the front portion of the lower covering piece are connected through a first zipper, so that medical staff can conveniently observe hand skin and conduct operations such as finger pulse oxygen monitoring on a patient; the elastic constraint ball is arranged in the palm placing area, and through the arrangement of the elastic constraint ball, the elastic constraint ball can be grabbed when the hand of a patient is placed in the bat, so that the functions of hand injury rehabilitation, hand consciousness exercising and the like are realized, and the hand rehabilitation training of the patient is improved; meanwhile, when the patient is impatient, decompression can be conducted by grabbing the elastic constraint ball, and attention is distracted; in this way, the improved restraining hand bat which can conduct exercise and rehabilitation on the consciousness of the hand while restraining the hand of the patient is constructed, and the functionality and the comfort degree of the hand restraining device are improved.

This utility model discloses a single-pitch shift fork mechanism for sign assembly, relating to the field of sign assembly technology. It includes a mounting plate with a mounting rod fixedly connected to the top, and a guide plate three fixedly connected to the top of the mounting rod. In this utility model, the insertion rod is slidably connected to an auxiliary component, and the guide plate two is slidably connected to the guide plate one. A shift fork pitch cylinder drives the shift fork body to move, and the insertion rod slides along the auxiliary component, achieving distance adjustment between the two shift fork bodies. The shift fork cylinder drives the shift fork body and guide plate two to move, and the shift fork mechanism transfer cylinder drives the guide plate one to move along the guide rail, enabling the insertion and movement of signs, thereby assisting in sign assembly, reducing manual labor, preventing hand injuries, and ensuring assembly safety. A buffer plate is used to cushion and protect the sides of the guide plate one and limit its movement range, preventing the bottom of the guide plate one from separating from the guide rail.

The utility model belongs to the technical field of traditional Chinese medicine slicing, and particularly relates to a slicing machine for slicing traditional Chinese medicine, which comprises a body, a blade and a discharging groove, the discharging groove is arranged on the surface of the body, the blade is arranged in the discharging groove through an electric telescopic rod and reciprocates up and down, an empty groove is arranged in the discharging groove, and the blade is arranged in the empty groove. Two empty grooves are formed, a pair of the empty grooves are symmetrically arranged about the center axis of the discharging groove, the push plate is arranged between the two empty grooves, the two ends of the push plate penetrate through the empty grooves, the push plate is slidably connected in the empty grooves through springs, and a pressing plate is arranged on the surface of the push plate through a fixing mechanism and used for pressing traditional Chinese medicinal materials. The traditional Chinese medicinal materials can be fixed through cooperation of the push plate and the pressing plate, manual pushing is replaced, the feeding stability is guaranteed, the problem that the slicing thickness is not uniform easily is solved, and meanwhile the situation that the hands of workers are too close to the blades, and consequently the hands of the workers are injured easily is avoided.

The utility model discloses a DVI connecting line with an auxiliary pull-out function, which relates to the technical field of connecting lines and comprises a connecting line, joints at two ends of the connecting line, a top plate at one side end of each joint and an interface on the top plate. Fixing columns are arranged at the four corners of the side end, away from the connector, of the top plate, movable grooves are formed in the side ends, facing the top plate, of the fixing columns, ejector rods are arranged in the movable grooves, penetrating holes allowing the ejector rods to stretch out are formed in the four corners of the top plate, and elastic pieces are arranged between the ejector rods and the inner walls of the movable grooves; when the connector needs to be pulled out of the inserting opening, the elastic piece pushes the ejector rod through elastic force, the ejector plate exerts thrust on the bottom plate at the inserting opening end to generate counter-acting force, and therefore force needed by separation of the connector and the inserting opening is reduced, and pulling-out force needed by a user is reduced. And a user is assisted to pull out the interface of the connector from the socket, so that the risk of equipment damage or hand injury caused by overexertion is avoided.

The utility model relates to the technical field of nursing materials, and discloses a hand injury prevention ampoule bottle opener for nursing, which comprises a device main body, a positioning circular ring arranged on the inner side of the device main body, a frosted ring arranged in the middle of the positioning circular ring, a connecting groove arranged on the surface of one side of the device main body, and a device auxiliary block arranged on one side of the device main body. The other side of the device body and the other side of the device auxiliary block are each provided with a fixing ring, the inner side of each fixing ring is provided with an anti-skid soft face, one side of each fixing ring is provided with a connecting block, the top end of the device body is provided with a supporting block, and the top end of each supporting block is provided with a protection soft block. According to the ampoule bottle opening device, through the arrangement of the device main body, the device auxiliary block and the supporting block, the ampoule bottle opening device can conveniently and rapidly open an ampoule bottle, and meanwhile the situation that the hands of medical staff are cut when the ampoule bottle is opened is conveniently reduced.

The invention discloses an environment-friendly hairpin assembly machine, and relates to the technical field of hairpin assembly, the environment-friendly hairpin assembly machine comprises a conveying assembly, the conveying assembly comprises a mounting table, and a second rotating motor is mounted at the top of the mounting table. By arranging the conveying assembly, multi-station assembling of the environment-friendly hairpins can be achieved, different stations can be switched for efficient assembling, the environment-friendly hairpins can be clamped and fixed through a buffer pad, unnecessary displacement of the hairpins in the assembling process is avoided, the assembling precision can be effectively improved, flaws are avoided in the assembling process, and the assembling efficiency is improved. The problem that the environment-friendly hairpin needs to be manually supported to be assembled is solved, the requirement for manpower is reduced, the assembling efficiency is greatly improved, meanwhile, potential safety hazards are reduced, the situation that the hand is injured during supporting is avoided, the buffering protection effect can be achieved when the environment-friendly hairpin is clamped and fixed through a buffering pad made of silica gel, and the environment-friendly hairpin is convenient to assemble. And damage to the hairpin due to large clamping force is avoided.

The invention discloses a hand injury monitoring system, which comprises a multi-mode acquisition device, a signal processing unit, a signal processing unit, a signal processing unit, a signal processing unit, a signal processing unit and a signal processing unit, and is characterized in that the multi-mode acquisition device comprises a finger data acquisition device and a myoelectricity acquisition device; the finger data acquisition device acquires a finger curvature signal; the myoelectricity acquisition device adopts a myoelectricity electrode to acquire a myoelectricity signal; the signal processing unit carries out amplification, filtering and digital conversion on the electromyographic signals to obtain processed electromyographic signals, and carries out resistance voltage division on the finger curvature signals to obtain processed finger curvature signals; and the data processing device preprocesses the processed electromyographic signals to obtain frequency spectrum features, preprocesses the processed finger curvature signals to obtain time sequence features, performs cross-modal fusion on the frequency spectrum features and the time sequence features, and outputs a hand motion function recognition result. And the data processing device fuses myoelectricity and kinematics information, so that cross-modal feature complementary enhancement is realized, and the robustness of the model for identifying the hand motion function is improved.

The utility model relates to a meat cutter capable of preventing hand injury, which comprises a cutting knife row, a model capable of containing meat and a base capable of being placed on a table top, the model is arranged on the base, the cutting knife row comprises a plurality of long-strip-shaped blades which are arranged side by side at intervals, the model is provided with a placing cavity, and the placing cavity is provided with a handle. A plurality of cutter grooves which are arranged side by side at intervals are vertically formed in the front side wall and the rear side wall, opposite to each other, of the containing cavity. During normal use, the blades can enter the corresponding cutter grooves and slide back and forth to cut meat in the containing cavity; the chair is characterized in that the base is provided with a handrail part which extends laterally and is used for a hand to hold. The handrail part is arranged on the base and is separated from the blade, so that the blade is effectively prevented from scratching a hand, the holding force when the blade is held by the hand cannot act on the model, the model cannot be driven by the holding force to shake, deformation and deviation of the groove wall of the cutter groove are avoided, a cutter row is not easily clamped by the groove wall of the cutter groove when entering the model, and cutter feeding is smooth; when the blade is pulled, clamping stagnation is avoided, and meat cutting is easy.

A dish-washing machine capable of automatically opening a door and preventing hands from being pinched comprises a machine body of the dish-washing machine, a controller installed in the machine body, a door plate installed on the front side of the machine body, a telescopic mechanism installed on the top of the machine body, a lock catch arranged at the front end of the telescopic mechanism, and a lock body arranged on the door plate. After receiving a door opening instruction, the controller firstly controls the telescopic mechanism to drive the lock catch to retract, so that the lock cylinder in the lock body unlocks the lock catch, and the lock catch leaves the lock body; the damping force at the hinged position of the door plate is small, the door plate is pushed to be opened after the lock catch makes contact with the lock cylinder, and finally the controller controls the telescopic mechanism to retract, and the lock catch is reset to the initial position. According to the utility model, the door can be automatically opened by knocking the door plate or the control button, the lock catch is separated from the lock cylinder when the door is opened, the door plate is pulled in a more labor-saving manner by hand, and meanwhile, the hand injury caused by the fact that the door plate is pulled back by the lock catch accidentally and the door plate is suddenly closed when a user pulls the door by hand is avoided.

The utility model relates to a stay wire binding device for binding a steel wire rope, and belongs to the technical field of electric power. The aluminum coil winding device mainly comprises an aluminum coil limiting shell, a supporting column, a winding handle, a winding reel and a connecting rod, the connecting rod is arranged at the end of the limiting shell, the limiting shell is installed on the winding handle through the connecting rod, the limiting shell is of a hollow structure with an opening in the bottom, the supporting column is arranged on one side of the limiting shell, and the supporting column is sleeved with the rotatable winding reel. A wire inlet hole for a steel wire rope to penetrate is formed in the top end of the limiting shell. According to the utility model, an operator can conveniently, quickly and uniformly bind a steel wire rope on a wire, the tightness of a wire joint and the stability in a tension test process are ensured, the problems of repeated operation and non-uniformity during manual binding are avoided, the working efficiency is greatly improved, the labor intensity is effectively reduced, the binding effect is ensured, and in addition, the labor intensity is reduced. And the risk of hand injury is reduced, and the working safety is improved.

The purpose of this invention is to provide a device for convenient sampling of durian peel samples, relating to the field of agricultural safety testing equipment technology. By rotating the clamping screw, the telescopic horizontal plate can be retracted, allowing the fixing block to clamp and fix both ends of the durian. The telescopic vertical plate allows for flexible control of the durian's proximity to or distance from the cutting blade. The rotating connection between the telescopic horizontal and vertical plates allows for flexible rotation of the fixed durian, ensuring the cutting blade cuts as much of the roughly elliptical durian peel as possible. An auxiliary motor drives the durian to rotate. This solves the problem of hand injuries from holding a durian. The handle allows for easy adjustment of the contact surface between the durian peel and the cutting blade, facilitating operation. A collection box on the main motor collects the peel, which falls into a weighing pan below for weighing, facilitating observation of the sample quantity. A rinsing assembly washes the collection cover and the cutting blade.

The invention belongs to the technical field of hand rehabilitation training, and particularly relates to a hand rehabilitation training system supporting finger joint angle acquisition and finger pulp force feedback, which comprises a hardware module, and the hardware module comprises a wearable acquisition device, an interactive display device and a data processing terminal. The data acquisition module synchronously acquires and preprocesses electromyographic signals, finger joint angle data and finger pulp force feedback data, the data acquisition module synchronously acquires and preprocesses the electromyographic signals, the finger joint angle data and the finger pulp force feedback data, and the data acquisition module synchronously acquires and preprocesses the electromyographic signals, the finger joint angle data and the finger pulp force feedback data, so that guarantee is provided for subsequent training and calibration; then the multi-modal closed-loop calibration module constructs a three-closed-loop model by means of a Kalman filtering algorithm, the acquisition error is corrected in real time, the data reliability is greatly improved, a customized scheme is provided for different hand trauma and rehabilitation stages through a trauma exclusive force feedback model library, and the problem of insufficient training or excessive injury caused by a general model is avoided.

The invention relates to the technical field of chain machining, and discloses a multi-specification handheld chain joint disassembling device which comprises an assembling table, a joint disassembling mechanism and a positioning mechanism, a semi-open assembling cavity of the assembling table is used for laterally placing a chain, and a multi-specification ejector pin of the joint disassembling mechanism is switched through an adjusting disc and is driven by an electric cylinder to press downwards; a side supporting assembly and a side pushing assembly of the positioning mechanism clamp the rollers through rolling wheels and ejector balls, the distance between the rolling wheels is controlled through an adjusting screw rod, and pin shafts of the rollers with different diameters are made to be aligned with ejector pins all the time. And the pin shaft falls into the blanking cavity through the nail removing groove of the base, so that quick, accurate and safe joint disassembly of the chain with multiple specifications is realized. The invention solves the problems of difficulty in controlling manual impact, easiness in causing deformation of a chain plate, breakage of a pin shaft, injury to hands due to non-uniform tightness of a riveting head, potential safety hazards, low efficiency and poor quality in the process of disassembling and riveting the chain package product.

The application belongs to the technical field of automobile processing, in particular to a stamping device for new energy automobile seat steel plate processing, which comprises a guide device, a counterweight device is arranged at the middle of the inner wall of the guide device, and a plasticizing device is arranged at the bottom of the guide device; the guide device comprises a side position guide plate, hydraulic pumps are uniformly arranged at the upper part of the inner wall of the side position guide plate through sliding grooves, and a sliding frame is fixedly connected to the bottom end of the hydraulic pump. When the seat steel plate of the automobile is subjected to stamping work, the edge part of the cut plate part has a curved surface and is relatively sharp. When the device is used, the side edge part of the stamped steel plate can be subjected to grinding work through the grinding roller shafts on both sides, so that the relatively sharp side edge part of the stamped steel plate is passivated, obvious scratching problems do not occur in subsequent transportation work, the effect of protecting the transportation line is achieved, manual carrying is facilitated, and the problem of hand injury is avoided.

The utility model discloses a buttonhole opening device for garment processing. The buttonhole opening device comprises an operation table. A transmission mechanism is movably mounted on the surface of the operation table, a supporting frame is mounted at the position, located above the operation table and the transmission mechanism, of one side of the ironing mechanism, and a holing mechanism is mounted at the inner top of the supporting frame; the connecting spring, the pressing ring, the microswitch and the correlation type sensor are used in cooperation, when the hole opening mechanism moves downwards to conduct hole opening treatment on clothes, the pressing ring can be pressed on the surface of the clothes, the connecting spring is compressed, meanwhile, the microswitch is extruded, and an instruction can be sent to an external controller; the external controller controls the correlation type sensors to emit laser, it is indicated that the eye opening mechanism is working, when a person enters the area of the eye opening mechanism and the laser between the correlation type sensors cannot receive a signal, the device can control the eye opening mechanism to stop working and moving, and hand injury caused by later mistaken touch of the person is avoided; and the safety performance of the device can be improved.

The utility model discloses a rubber sealing ring which comprises a sealing ring body, a plurality of sealing rings are fixedly connected to the surface of the outer wall of the sealing ring body, and guide circles are arranged at the joints of the upper end faces and the lower end faces of the sealing rings and the sealing ring body. According to the structural design of the rubber sealing ring, the guide circles are arranged at the joints of the upper end face and the lower end face of the sealing ring and the sealing ring body, so that the possibility that hands of an operator are scratched can be effectively prevented in the process that the rubber sealing ring is separated from an injection molding grinding tool after injection molding, the operation safety is improved, and the practicability is better.

1. This product is used for covering the sharp corner of a window to prevent impact and injury.; 2. This product is used for installation on the handles on both sides of a door, where it is clamped within the door gap to cushion the closing impact and reduce noise.; 3. This product is used for installation beside a door to prevent accidental closure and avoid hand injuries; fig. 3.7 shows the state in which the block is extended, inserted into the door gap to block the door from closing.

The utility model discloses a palm back restraining glove which is applied to the field of medical instruments and comprises a glove body, and a flexible body and a hard body are arranged in the glove body. Rope penetrating grooves are formed in the flexible body, the hard body and the glove, a binding rope is arranged in the flexible body, and the binding rope is arranged in the rope penetrating grooves in a sleeved mode. According to the utility model, the flexible body is arranged to provide flexible support for the hand of a patient; by arranging the hard body, the situation that the hand of the patient is connected with the glove and knocks the hard object together, and consequently the hand of the patient is injured can be avoided in the struggling process of the patient through the hard material; by arranging the binding rope, after the glove is connected with the hand of a patient, the binding rope can be bound to the head of a sickbed, so that the hand movement of the patient is limited, and the palm back, the palm center and the arm of the patient are integrally limited; the situation that the patient struggles and scratches to hurt himself or herself or medical staff is avoided; and the lashing rope can be replaced conveniently through the arrangement of the lashing groove.

The present invention relates to the field of cutting of polyvinyl chloride pipes, and specifically to a polyvinyl chloride pipe cutting auxiliary device, comprising a main support column, wherein the main support column is a telescopic adjustment structure, the main support column uses a fixed sleeve as a node, the upper end of the main support column is inserted into the interior of the fixed sleeve, the upper end of the main support column is horizontally fixedly connected to a secondary cross plate, the lower end of the main support column is fixedly connected to a counterweight base, the upper end of the main support column is installed with a carrier plate near the bottom of the secondary cross plate, and an auxiliary pipe clamping mechanism is provided on the right side of the secondary cross plate. This setting provides a relatively firm clamping force for the pipe cutting process, making it convenient for workers to use a cutting machine to effectively and stably cut the pipe, and during the process, the workers do not need to hold the pipe, so that the workers can use both hands to better cut the pipe, and at the same time, it can also reduce the situation where the workers suffer hand injuries due to holding the pipe during cutting.

The utility model relates to the technical field of electric shears, and particularly discloses an electric shear which comprises an electric shear shell, a charging circulating battery is installed at the lower end of the electric shear shell, a trigger retainer is fixedly connected to the side surface of the upper end of the electric shear shell, a trigger body is installed on the inner wall of the trigger retainer, and a cutting knife assembly is installed on the upper surface of the electric shear shell. A hand injury prevention structure is arranged on the surface of the electric shear shell and is controlled by receiving signals sent by the ultrasonic distance sensors on the surfaces of the auxiliary gloves through the signal receivers. The electric scissors are provided with a signal receiver and an ultrasonic distance sensor, so that when the electric scissors work, the left hand wears an auxiliary glove, and when the hand is close to the cutting knife assembly, the signal receiver is alarmed through the ultrasonic distance sensor; the signal receiver can conveniently control the circuit board of the electric shear shell so as to stop working of the cutting knife assembly, and therefore the purpose of preventing the holding hand from being injured is achieved.

The utility model discloses a pair of protective gloves specially designed for a computerized embroidery machine operator and aims to improve hand safety protection and operation efficiency. The glove is designed to be of a quadrilateral structure and comprises a first pasting area, a thumb leaking hole, a flapping area and a second pasting area, fillers are arranged in the flapping area to form protrusions, impact force generated when a clip is hit is effectively dispersed, and hand injuries are reduced; the first pasting area and the second pasting area are connected through a hook-and-loop fastener, and tightness is convenient to adjust; the design of the thumb leak hole and the folding area ensures the flexibility and comfort of the hand; the flapping area can be filled at a time or is provided with a zipper, and maintenance and cleaning are convenient. According to the glove, the safety and the working efficiency of an operator in the clamping process are remarkably improved, meanwhile, the wearing comfort and convenience are guaranteed, and the glove is ideal personal protection equipment in the computerized embroidery industry.

This utility model discloses a golf grip and swing posture positioning device, including a grip positioning device and a swing posture wrist fixation device. The grip positioning device includes a positioning body, which is installed on the upper part of the golf club. The positioning body is provided with a grip positioning assembly. The swing posture wrist fixation device includes a rotating connector and a cross-section. The rotating connector is provided with a first limiting part and a second limiting part. This utility model combines the grip positioning device and the swing posture wrist fixation device into one unit. The grip positioning device assists both hands in correctly gripping the golf club and forming a correct grip posture. The swing posture wrist fixation device assists in restricting the inner side and upper surface of the wrist when swinging, thus restricting the swing and ensuring the correct swing posture and wrist angle after the swing. This utility model is easy to install and use. The grip positioning device solves the problem of hand discomfort caused by traditional positioning devices, providing a comfortable grip and making it very comfortable to use. The design of the two soft components restricts the wrist while minimizing hand injury.

The utility model belongs to the technical field of clothing button sewing machines, and particularly relates to a button sewing machine convenient to operate, which comprises a body, a button feeding machine, a machine head and an adjusting mechanism, the button feeding machine and the machine head are both mounted on the surface of the body and used for feeding and sewing buttons, a base is fixedly connected to the surface of the body and used for supporting the buttons and the adjusting mechanism, and the adjusting mechanism is fixedly connected with the base. The adjusting mechanism comprises a mounting block, the mounting block is mounted on the base, a sliding plate is matched with the mounting block to assist a worker in moving cloth to sew buttons, skew sewing is avoided, the yield is increased, the risk of hand injury of the worker is reduced, a positioning hole is driven to extrude a top shaft while the sliding plate slides, and the positioning hole is prevented from being damaged. Due to the fact that the surface of the top shaft is provided with the arc angle, through cooperation of the top shaft and the positioning hole, an interval can be generated when the sliding plate slides, for long cloth with the fixed button interval, a worker can be assisted in positioning, and then the button sewing accuracy is guaranteed.

The utility model relates to a blanking mechanism of a compression molding die, which belongs to the technical field of forming dies and comprises a box body, a U-shaped plate and a fixing rod are fixedly mounted on the box body, an L-shaped plate is slidably mounted in the U-shaped plate, a rotating shaft is rotatably mounted on one side of the L-shaped plate, a driving mechanism is arranged between the box body and the rotating shaft, and the fixing rod is fixedly mounted on the box body. A gear is fixedly installed at the end, close to the box body, of the other side of the L-shaped plate, a rack is fixedly installed at the top end of the fixing rod, the height of the bottom end of the rack is larger than that of the top end of the L-shaped plate, and the gear is meshed with the rack. Through the mutual cooperation of the driving mechanism, the rotating shaft, the gear and the rack, after materials in the cavity are subjected to compression molding and curing, the work of automatic blanking can be completed, and the problems that an existing compression molding mold needs manual blanking of workers, and the risk that the hands of the workers are injured is increased are solved.

The application discloses a hand injury rehabilitation training cup teaching aid, which comprises a quadrangular prism structure with a cavity, and the cross section of the quadrangular prism is trapezoidal; the teaching aid comprises a top plate, side plates and a base, the base is integrally formed by three side surfaces and a bottom surface except the side plates, the top plate and the side plates are detachably connected with the base to close the cavity; the top plate and the side plates are respectively provided with finger joint fixing rings with sliding rails, two fixing rings are alternatively assembled for use to realize finger joint fixing training at different angles; at least four third sliding rails are arranged side by side on the side surface of the base opposite to the side plates, at least one third finger joint fixing ring capable of sliding and being fixed on each third sliding rail is arranged on each third sliding rail; mirror surfaces are arranged on the inner walls of the three side surfaces of the base, and the mirror surfaces are perpendicular to each other.

The utility model belongs to the technical field of tool parts, and particularly relates to a dismounting device for a self-sealing valve of an oil receiving plug, which comprises a mounting supporting seat, a dismounting pressing seat and a press machine, the mounting supporting seat is placed on a table board of a press machine, and a to-be-disassembled oil receiving plug is mounted on the mounting supporting seat; the disassembly pressing seat is positioned in a groove of the self-sealing valve spring seat to be disassembled; the mounting supporting seat comprises an upper supporting seat, a lower supporting seat, an annular felt and a supporting rod; a supporting rod is fixed on the lower supporting seat, and an upper supporting seat is fixed at the upper end of the supporting rod; the middle of the upper supporting seat is hollow, and an annular felt is fixed on the hollow surface; the dismounting and pressing base is of a hollow cylinder structure and is formed by integral welding, the bottom of the dismounting and pressing base is of a four-jaw structure, and the jaws are matched with grooves of the self-sealing valve spring base to be dismounted. According to the utility model, the problems that the spring clamps hands and pops up to hurt people in the dismounting process are solved, the oil receiving plug is prevented from being crushed, and the dismounting quality and efficiency are improved.