92 results about "Leg cushion" patented technology

An infant safety seat with an adjustable accommodating space includes a multi-layer cushioning insert which is detachably insertable into an infant safety seat for accommodating an infant in different stages of growth with different sizes. The multi-layer cushioning insert comprises a first cushioning part and a second cushioning part both may detachably to overlap each other and connect into the accommodating space to provide the necessary support for keeping an infant in proper postural position. The first cushioning part includes a U-shaped head cushion part, U-shaped body cushion part and U-shaped leg cushion part for restricting the side moving of the infant. Further, for accommodating a smaller infant, the second cushioning part can be detachably overlapped onto the first cushioning part for further reducing the side moving space and upright moving space of the baby in the infant safety seat.

An infant safety seat with an adjustable accommodating space includes a multi-layer cushioning insert which is detachably insertable into an infant safety seat for accommodating an infant in different stages of growth with different sizes. The multi-layer cushioning insert comprises a first cushioning part and a second cushioning part both may detachably to overlap each other and connect into the accommodating space to provide the necessary support for keeping an infant in proper postural position. The first cushioning part includes a U-shaped head cushion part, U-shaped body cushion part and U-shaped leg cushion part for restricting the side moving of the infant. Further, for accommodating a smaller infant, the second cushioning part can be detachably overlapped onto the first cushioning part for further reducing the side moving space and upright moving space of the baby in the infant safety seat.

An infant safety seat with an adjustable accommodating space includes a multi-layer cushioning insert which is detachably insertable into an infant safety seat for accommodating an infant in different stages of growth with different sizes. The multi-layer cushioning insert comprises a first cushioning part and a second cushioning part both may detachably to overlap each other and connect into the accommodating space to provide the necessary support for keeping an infant in proper postural position. The first cushioning part includes a U-shaped head cushion part, U-shaped body cushion part and U-shaped leg cushion part for restricting the side moving of the infant. Further, for accommodating a smaller infant, the second cushioning part can be detachably overlapped onto the first cushioning part for further reducing the side moving space and upright moving space of the baby in the infant safety seat.

The invention discloses an electric medical bed, wherein a mattress on a bed frame compises a back cushion on the front section, a seat cushion on the middle section and a leg cushion on the rear section; a lifting motor used for supporting the seat cushion to lift to descend is arranged at the bottom of the seat cushion, so that a patient can adapt to various medical examination items by different postures, the examination becomes simpler and more convenient, and operations of a doctor can be better examined in a matched manner, and in addition, better comfort is provided for the patient lying on the medical bed.

The invention provides an injection mold of a large-angle arc circular pipe. The injection mold comprises an upper mold seat plate, a molding cavity fixing plate, a molding core fixing plate, a mold leg cushion block, a thimble cover plate, a thimble push plate, a lower mold seat plate, a molding core insert, a molding cavity insert, an elbow core-pulling oil cylinder, an oil cylinder pull strip, a first connection pin, a central small pull block, a second connection pin, an arc sliding block, an arc guide block, an elbow molding core, a straight pipe molding core, a sliding block body, an inclined guide column and a sliding block reinforcement bracket. According to the injection mold adopting above technical solution, the defects that a product cannot be fully injected and is under-injected during injection molding in the prior art in a two-section elbow product molding injection molding technology are overcome, and the actual production problems that the pressure on a mold cavity is hard to balance, multiple flanges are formed, injection is not full, more flanges are formed, the uniformity of the wall thickness is hard to guarantee, the efficiency is low and the like are solved; zero-defect automatic molding production of the product is realized by a simple mechanism, so that the forming quality of the product is effectively guaranteed; the injection mold is reasonable in structural design, compact in structure and stable in work.

A multifunctional neurosurgical operation bed convenient to operate can facilitate operation and improve the multifunctionality while facilitating postoperative transfer of a patient and comprises a bed base, a disinfection assembly and a bed body, wherein the disinfection assembly is arranged on the right side of the bed base, a leg constraint mechanism is arranged on the left side of the bed base, the bed body mainly comprises a hip plate, a leg plate, a backrest, supporting legs, a backrest locking mechanism, a hip cushion, a leg cushion and a back cushion, the leg plate is hinged to the left side of the hip plate, the supporting legs are fixed to the bottom of the hip plate, the backrest is hinged to the right side of the hip plate, and the backrest locking mechanism for achieving relatively fixed connection of the backrest and the hip plate is arranged on the backrest. A positioning plate is arranged at the bottom of the hip plate, a limiting plate is arranged in the positioning plate, and a limiting spring is arranged between the limiting plate and the positioning plate. The hip cushion is arranged on the hip plate, and the leg cushion is arranged on the leg plate. A craniotomy assembly is arranged on the right side of the bed base. The multifunctional neurosurgical operation bed can facilitate postoperative transfer of the patient and has multiple functions.

The invention discloses an incubator inside turn-over device for a newborn baby. The incubator inside turn-over device comprises an incubator and a mattress, wherein the mattress is arranged in the incubator, a rotating shaft is arranged at one side of the mattress along an axial direction and is inserted in the mattress, the mattress is divided into a headrest, a back cushion and a leg rest alongthe axial direction, and the back cushion is fixedly arranged in the incubator. The incubator inside turn-over device further comprises lifting devices, wherein the lifting devices are separately arranged below the headrest and the leg rest, sliding grooves are separately formed in bottoms of the headrest and the leg rest and are vertical to the rotating shaft, each lifting device comprises an air cylinder and a link, the air cylinders are fixedly arranged at the bottom of the incubator, one end of each link is connected with the corresponding air cylinder, and the other end of each link is in slip connection with the corresponding sliding groove. The incubator inside turn-over device for the newborn baby can assist medical care personnel turning over the baby and provide a support, so that the working strength of the medical care personnel is alleviated, and physical force is saved.

An apparatus for securing a cushion to the lower leg cradles of a wheelchair. The apparatus includes a rectangular back section that rests against the leg cradles, and is easily secured to a wheelchair by mounting straps and footrest straps. Adjustable holding straps are positioned along the edges of the apparatus to secure a leg cushion of variable size between a passenger's calves and the back section. The apparatus can also be stored on back steering handles of a wheelchair by using the footrest straps as hangers.

The invention discloses an intelligent electric wheelchair. The intelligent electric wheelchair comprises a seat, idler wheels, armrests, a remote controller, a driving mechanism, a base, a shear-forktype hydraulic lifting mechanism, a slope sensor and obstacle sensors; the idler wheels comprise the two rear idler wheels and the two universal front idler wheels, the rear idler wheels are rotatably mounted on the left side and the right side of the rear part of the base, and a driving motor is arranged in the base and is in transmission connection with the rear idler wheels; two connecting rods are mounted on the left side and the right side of the front part of the base correspondingly, and the two universal front idler wheels are mounted at the bottoms of the two connecting rods correspondingly; the seat is arranged on the upper part of the base in an up-down movable mode through the shear-fork type hydraulic lifting mechanism; two L-shaped mounting rods are mounted on the front partof the seat, pedals are arranged at the bottoms of the mounting rods, and a heatable leg cushion is further arranged on the mounting rods; and the slope sensor is arranged at the bottom, and the obstacle sensors are mounted around the base. The intelligent electric wheelchair can assist the elderly, the disabled and people with limited mobility in raising for object taking, intelligent control over barrier avoidance and automatic downhill deceleration are achieved, and travel safety is ensured.

The invention relates to an emergency rescue device for bone fracture patients, in particular to a secondary injury prevention device for emergency treatment of bone fracture patients. Protruding columns (4) are arranged in the middles of the external faces of two stretcher side bars (7) of a stretcher respectively; arc bent edges (3) are arranged at two edges, close to one end, of the middle of a strip plate (5); a lifting transfer ship A (1) is arranged on each arc bent edge, an adjusting plate (13) is arranged between the middle of the strip plate and the other end in a sleeving manner, the upper side of the adjusting plate (13) is provided with a protruding leg cushion (6), and lifting transfer ropes B (9) are arranged on two sides of the adjusting plate respectively. The waist of one bone fracture patient is placed on the arc bent edges on two sides of the strip plate, the legs of the bone fracture patient are supported by the leg cushion, the secondary injury prevention device is adaptable to transportation of spine or leg bone fracture patients, and pain of the patient for getting on the stretcher and transferring from the stretcher to a sickbed is alleviated effectively.

A therapeutic recumbent chair having back and leg cushions and including an adjustable lumbar support member and an adjustable scapula region support member, each within the back cushion and movable toward and away from a front surface of the back cushion for adjustment of the support members against the back cushion for comfortably supporting the back of a user when the user is seated in the chair. Varying the positions of the adjustable lumbar support member and of the adjustable scapula region support member allows the chair to be configured to properly support a user's back when the user is in a recumbent position, for minimizing back problems of a user and for treating back disorders.

The invention discloses a self-help reversible bed and chair posture changing and shifting device. The device comprises two parts, a bed body and a wheelchair; the bed body includes a bed body frame,a mattress system, a bed plate mechanism and a push rod device; the bed body frame includes foot stools, two side cross rods and a lower rear cross rod, wherein the foot stools are arranged at the vertex angle positions correspondingly, the two side cross rods are connected with the two foot rests at the same side, and the lower rear cross rod is connected onto the two foot rests at the tail part;the bed plate mechanism is arranged above the bed body frame, and includes a rear transverse plate, a bed backrest plate, two side plates and a front transverse baffle; the mattress system is arranged above the bed plate mechanism and includes a rear pillow cushion, a bed backrest plate cushion, two side cushions and a front baffle cushion; the mattress system is connected with the bed plate mechanism, and the wheelchair includes a wheelchair frame, a chair cushion system and a connecting rod mechanism; and the wheelchair frame includes a base frame, a back frame, a hip frame and a leg frame,and the chair cushion system includes three parts, a back cushion, a seat cushion and a leg cushion. The device disclosed by the invention greatly improves the self-help capacity of old people, and relieves the labor intensity of a nurse.

The invention discloses a movable medical bed which comprises a bed frame, a head cushion plate, a back cushion plate, a leg cushion plate and a foot cushion plate. The base frame is supported to the bottom of the back cushion plate. Bottom wheels are arranged at the bottom of the base frame. The head cushion plate, the back cushion plate, the leg cushion plate and the foot cushion plate are unfolded at the same time and horizontally placed so that a platform can be formed. In addition, an oxygen bottle is arranged on the base frame, hand resting frames are arranged on the two sides of the head cushion plate, arm fixing frames are arranged on the two sides of the back cushion plate, handles are arranged on the two sides of the back cushion plate, a shoulder fixing frame is arranged at the position, close to the head cushion plate, of the back cushion plate, a body fixing frame is arranged at the portion, close to the arm fixing frame, of the back cushion plate, and leg fixing frames are arranged on the two sides of the leg cushion plate. The movable medical bed can firmly fix a patient and has the angle adjustable, movable and other functions.

The invention relates to seated calf raise exercise equipment which comprises a main frame, a supporting frame, a connection rod, a pedal, a balance weight hanging rod, a leg cushion, handholding rods and a cushion. The main frame is fixedly connected with the supporting frame, the connection rod is fixedly connected with the supporting frame, the pedal is fixedly connected with the main frame, the balance weight hanging rod is fixedly connected with one end of the supporting frame, the handholding rods are fixedly connected to the connection rod, the leg cushion is detachably connected with the lower side of the connection rod, the cushion is fixedly connected to the other end of the supporting frame, the supporting frame comprises a cross beam and a supporting rod, the terminal position of the cross beam is hinged to the supporting rod, and the connection rod is movably connected to the cross beam. The seated calf raise exercise equipment is easy and safe to use, calf muscles, which can not be exercised at ordinary times, of people can be exercised, the effect is remarkable, and the exercise intensity can be adjusted manually.

A medical care transfer bed belongs to the field of medical devices, and includes an upper bed plate, a lower bed plate and support legs support on that lower surface of the lower bed plate, The upperbed plate comprises a head rest plate, a back cushion plate, a buttock cushion plate and a leg cushion plate corresponding to the head, the back, the buttock and the lower leg parts of the human bodyrespectively. Accordingly, the lower bed plate comprises a head fastening plate, a back fastening plate, a buttock fastening plate and a leg fastening plate. A driving mechanism for pushing and pulling the corresponding upper bed plate is arranged on each plate of the lower bed plate. A support leg is arranged on that lower surface of the buttock fasten plate and the back fastening plate, each plate of the upper bed plate is not connected with each other, and each plate of the lower bed plate is connected with each other mainly through a rotary connecting piece. A low surface of that buttockfixing plate is connected with a rotating lever driven by a stepping motor, the free end of the rotating lever is connected with an arc-shaped connecting rod, and the two ends of the arc-shaped connecting rod are respectively hinged on the lower surface of the back fixing plate and the leg fixing plate. The medical care transfer bed can transfer the patient between the hospital bed and the transfer bed conveniently, the movement and walking are more flexible, the shape can be changed, and the practical value can be improved.

The invention discloses an all-electric extendable hair-washing bed, comprising a seat cushion, armrest cushions, an outer leg cushion, a back cushion and an underframe, wherein the upper side of the underframe is provided with the seat cushion; two sides of the seat cushion are respectively provided with the armrest cushions; the rear side of the seat cushion is provided with the back cushion which can lean back and move backward; the lower side of the front end of the seat cushion is provided with the outer leg cushion which can extend and can be upturned; and the inner side of the outer leg cushion is provided with an inner leg cushion which can extend and can be upturned. The all-electric extendable hair-washing bed is simple in structure, convenient to use, high in comfort level, small in noise, not prone to damage and more beautiful. The all-electric extendable hair-washing bed can extend horizontally; the backrest of the bed can lean back along with the horizontal extension; a seat always maintains horizontal movement and free of bumpiness; foot rests are maximally extended; so the demands of users are met and the promotion of the bed is facilitated.

The invention discloses sitting-type shoulder-pulling fitness equipment, and belongs to the field of fitness equipment. The main objectives of the invention are to provide convenient fitness equipmentfor the majority of fitness enthusiasts and fitness industry operators to specially exercise the shoulder and arm muscles, and to overcome the weight of a counterweight piece according to the simulation of a sitting-type high-position shoulder-pulling motion so as to achieve the aim of fitness. In order to achieve the above objectives, various parts are processed, comprising: a counterweight frame, a balance member, a grip, a swinging arm, a connecting rod, a middle pulley, a connection pulley, a bolt, a guide pulley, a leg cushion, a machine frame and a seat cushion; after each part is processed, the part is mounted according to a corresponding mounting process, and is operated and used according to an instruction for use. The sitting-type shoulder-pulling fitness equipment not only canachieve the effect of fitness, but also has adjuvant therapy and rehabilitation effects on related injuries, and is preferred fitness equipment for fitness in various fitness venues and a house.

The invention discloses a movably-adjustable bed. The movably-adjustable bed comprises a bottom frame and a movable frame, wherein the movable frame is fixedly provided with a backrest, a seat cushion and a leg cushion by a connection rod mechanism; the connection rod mechanism comprises a hinged point A, a hinged point B and a hinged point D; the connection rod mechanism is provided with an equivalent point C and an equivalent point E; a parallelogram-shaped framework structure is composed of the A, the B, the C and the D; a triangular framework structure is composed of the C, the D and the E; the hinged point A and the hinged point B are fixedly arranged on the movable frame; the backrest is fixedly arranged on an AD edge; the seat cushion is fixedly arranged on a DE edge. The movably-adjustable bed is further provided with a seat cushion hoisting mechanism acting on the triangular framework structure composed of the C, the D and the E, and a circular groove idler wheel guide rail for limiting. The product is reasonable in structure and is convenient to repair and maintain, and the production cost is reduced; a head position keeps immobile, the angle of the backrest is adjusted, and the positions and the angles of the seat cushion and the leg cushion are adjusted; when the seat cushion is adjusted, the seat cushion can be moved; the movement is smooth, the comfort is strong and the operation is flexible.

The invention discloses a disassembling and assembling tool for a camshaft bush of a diesel engine. The disassembling and assembling tool comprises a transmission shaft, a handle, a clamping jaw mechanism, leg cushions, supporting legs, a support, a driven bevel gear, a transmission screw, a drive bevel gear and a supporting base. One end of the transmission shaft is connected with the handle, theother end of the transmission shaft penetrates through the supporting base and is connected with the drive bevel gear, the supporting base is fixed to the support, the driven bevel gear is connectedwith the middle of the support and engaged with the drive bevel gear, one end of the transmission screw penetrates through the middle of the support and is connected with the driven bevel gear, the other end of the transmission screw is connected with the clamping jaw mechanism, the upper portions of the supporting legs are connected with the support through a groove, and the lower portions of thesupporting legs are connected with the leg cushions. According to the disassembling and assembling tool, when the diesel engine is maintained, within the limited disassembling and assembling space ofthe diesel engine, the camshaft bush can be flexibly disassembled and assembled, the clamping jaw mechanism can be used for regulating the positions of clamping blocks according to camshaft bushes ofdifferent specifications, the universality is high, the screw and the gears are used for transmission, the labor intensity is relieved, and the surface of the camshaft bush is prevented from being damaged during disassembling and assembling.

The invention relates to the technical field of medical devices, in particular to a medical device for trauma surgery in the general surgery department. The device includes a support column, the lowerend of the support column is provided with a rotation device, one end of the support column is provided with a fixing clamp plate, the inner side of the fixing clamp plate is provided with a hydraulic rod, one end of the hydraulic rod is provided with a leg support plate, the upper end of the leg support plate is provided with a leg cushion, one end of the leg support plate is provided with a fixation block, one end of the fixation block is provided with a body supporting plate, and the upper end of the body supporting plate is provided with a body cushion. Through a series of structural design, used surgical tools can be more conveniently cleaned and disinfected, the surgical tools are prevented from being contaminated due to exposure to the air, the angle of an operation bed can be adjusted, and thus operation of doctors is facilitated better.

The invention relates to a high-intensity retractable support. An upper bottom board is fixedly installed at the upper portions of a middle beam of the U-shaped support, each side beam of the U-shaped support and each shed leg of the U-shaped support. The two ends of the middle beam of the U-shaped support are respectively provided with a middle beam slope. The bottom of each side beam of the U-shaped support is provided with a side beam slope. The upper end of each side beam of the U-shaped support is provided with a side beam upper notch. The upper end of each shed leg of the U-shaped support is provided with a shed leg upper notch. A side beam cushion block is arranged at the position, where the middle beam of the U-shaped support and each side beam of the U-shaped support are connected, of the side beam of the U-shaped support. A first cushion block connecting and clamping cable is movably installed at each lower end face of the middle beam of the U-shaped support and the outer side of the corresponding side beam cushion block. A shed leg cushion block is arranged at the position, where each side beam of the U-shaped support is connected with the corresponding shed leg of the U-shaped support, of the shed leg of the U-shaped support. A second cushion block connecting and clamping cable is movably installed at the lower end face of each side beam of the U-shaped support and the outer side of the corresponding shed leg cushion block. The high-intensity retractable support is simple in structure, convenient to operate, high in intensity and capable of being recycled, the service life of the support is largely prolonged, and the support has good social benefits and economic benefits.

The invention discloses a movably-adjustable bed. The movably-adjustable bed comprises a bottom frame and a movable frame, wherein the movable frame is fixedly provided with a backrest, a seat cushion and a leg cushion by a connection rod mechanism; the connection rod mechanism comprises a hinged point A, a hinged point B and a hinged point D; the connection rod mechanism is provided with an equivalent point C and an equivalent point E; a parallelogram-shaped framework structure is composed of the A, the B, the C and the D; a triangular framework structure is composed of the C, the D and the E; the hinged point A and the hinged point B are fixedly arranged on the movable frame; the backrest is fixedly arranged on an AD edge; the seat cushion is fixedly arranged on a DE edge. The movably-adjustable bed is further provided with a seat cushion hoisting mechanism acting on the triangular framework structure composed of the C, the D and the E, and a circular groove idler wheel guide rail for limiting. The product is reasonable in structure and is convenient to repair and maintain, and the production cost is reduced; a head position keeps immobile, the angle of the backrest is adjusted, and the positions and the angles of the seat cushion and the leg cushion are adjusted; when the seat cushion is adjusted, the seat cushion can be moved; the movement is smooth, the comfort is strong and the operation is flexible.

The invention discloses a high-stability adjustable child safety seat, and relates to the technical field of safety seat machining. The child safey seat comprises a bottom cushion, a chair back and side cushions, first fixing buckles are arranged on the two sides of the chair back, first armrests are symmetrically arranged on the left side and the right side of the bottom cushion, a fixed block isarranged between leg cushions, a stop block is slidably connected to the upper portion of the fixed block, and the outer side of the stop block is connected with the side cushions and the chair backthrough a second fixing belt and a third fixing belt; a pedall mechanism is arranged on the side, away from the chair rest, of the bottom cushion; the pedal mechanism comprises a rotating plate, a moving rod, a first sliding groove, a sliding rod and a supporting plate, a damping mechanism is arranged below the bottom pad and comprises a bottom pad, a middle-layer plate and a bottom plate, a damping spring is arranged between the bottom pad and the middle-layer plate, and a pressure reducing rod is arranged between the middle-layer plate and the bottom plate. The child seat overcomes the defects in the prior art, is reasonable in design and convenient to use, can adapt to sitting of children with different heights through adjustment of all positions, improves the stability, and enhances the sitting safety.

The invention discloses a surgical device for the orthopedics department. The surgical device structurally comprises support foot cups, a base, a waste liquid recycling mechanism, a bed surface base,a left arm fixing seat, a left shoulder support, a shoulder support connecting rack, a headrest seat, a headrest, a left anesthesia support, a right anesthesia support, a right shoulder support, a back plate, right arm fixing seat, a bed surface, a right leg support, a left leg support, a leg cushions, a leg cushion base, a leg support connecting rack, connecting blocks and slide rails, wherein the waste liquid recycling mechanism is arranged at the upper end of the base. The surgical device has the advantages that the surgical device is provided with waste liquid recycling mechanism, waste such as a large amount of blood and gauze generated in orthopedic surgery can be recycled, waste solid-liquid separation is achieved, and later waste treatment is facilitated.

The invention provides a medical chair adjustable according to body positions. The medical chair comprises a base and two groups of leg cushion components, the leg cushion components are hinged to oneend of a hip cushion component, and a head cushion component and a back cushion component are sequentially hinged to the other end of the hip cushion component. The hip cushion component is mounted on the base, the hinged joint of the hip cushion component and the leg cushion components is provided with a bedpan position, a bedpan is arranged under the bedpan position, and a hanging frame is arranged on one side of the base. By adoption of the scheme, when a patient needs to adjust the body position, different body parts can be adjusted through the leg cushion components, the hip cushion component, the back cushion component and the head cushion component; when immobilization of the body of the patient is required, the body of the patient can be tightly pressed to a proper position and locked by a hip fixing component, leg adjustment components and a waist fixing component, and moving wheels are mounted in the base. By the medical chair, workload of nurses and family members is sharply relieved.

The invention discloses multifunctional sitting type shoulder pull rowing fitness equipment, and belongs to the field of fitness equipment. The multifunctional sitting type shoulder pull rowing fitness equipment is mainly aimed at realizing the purpose of providing portable fitness equipment special for training corresponding muscles of shoulders and arms for vast fitness lovers and fitness industrial operators. According to the related action simulating principle of sitting type shoulder pull and rowing activities, by overcoming the weight of balancing weight pieces, the fitness effect is realized; in order to realize the aim, machining is conducted in all parts including a guide pulley, a traction rope, a pull rod, a balancing weight frame, a pulley block, leg cushions, a fixed pulley, ahandle, a sitting cushion, a main support, a vertical support and pedals; all the parts are installed according to a corresponding installation procedure after being machined; the fitness equipment can help a user to train the body and can assist in treating the related injuries and diseases and rehabilitating, and the fitness equipment is the first option for all fitness venues, medical rehabilitation organizations and families.

The invention discloses a medical ankle pump rotating exercise device. The device comprises a bottom plate, a leg cushion assembly, an ankle pump exercise assembly and a counting device, the leg cushion assembly is arranged at the upper end of the bottom plate, the ankle pump exercise assembly is also arranged at the upper end of the bottom plate, and the counting device is arranged on the ankle pump exercise assembly. The ankle pump exercise device assists a patient in ankle pump exercise through the arranged ankle pump exercise assembly, counts the number of times of ankle pump exercise of the patient through the arranged counting device, and reminds the patient.

The invention discloses a mattress for an orthopedics department. The mattress for the orthopedics department comprises a mattress body, wherein the mattress body comprises a head cushion, a back cushion, a leg cushion and a foot cushion, wherein the back cushion is connected with the head cushion; the leg cushion is connected with the back cushion; the foot cushion is connected with the leg cushion; the leg cushion comprises a right leg cushion and a left leg cushion; a circular through hole is formed between the left leg cushion and the right leg cushion; a protective sleeve is arranged on the circular through hole and comprises an upper snap ring, a cylinder and a lower snap ring; the upper end of the cylinder is connected with the middle of the lower end of the upper snap ring; an upper ring hole is formed in the middle of the upper snap ring; the upper snap ring and the cylinder are integrated; outer threads are arranged at the lower end of the outer wall of the cylinder; a lowerring hole is formed in the middle of the lower snap ring; inner threads are arranged in the lower ring hole; the lower end of the upper snap ring is connected with the upper end surface of the leg cushion; the outer wall of the cylinder is matched with the circular through hole; the upper end of the lower snap ring is connected with the lower end surface of the leg cushion; a plunger is arranged in the protective sleeve; and a plunger cushion is arranged in the plunger.

The invention discloses a urological operation bed, which comprises a device body, a leg pad and a back plate. The leg pad is fixedly connected to one side of the device body. The outer wall of the leg pad is connected with the inner wall of the device body, and the other side of the device body is fixedly connected with the back plate. The interior of the back plate is connected with the inner wall of the device body. The top of the back plate is fixedly connected with a soft pillow. The bottom of the soft pillow is connected to the inner wall of the back plate. The inner bottom part of the leg pad is fixedly connected with a support frame. By setting a sliding mechanism, because a movable rail and a lubricating layer are used similarly, the rail is installed at the bottom, and the rail will improve the smoothness of a slider. Moreover, the nut can be shifted and fixed at will. By shifting the nut to an appropriate position for blocking, the slider is prevented from sliding during theuse, but the sliding of the slider is not affected. Therefore, the smoothness and practicability of the device are effectively improved. The device is suitable for the use of urological operation beds, and has a wide development prospect in the future.

The utility model discloses a comfortable electric bicycle, belongs to the field of electromechanical techniques and particularly relates to an electric bicycle for carrying people. The comfortable electric bicycle aims at ensuring that the two legs of a rider are relaxed and the rider can ride the electric bicycle in a sitting or semi-recumbent way. The technical scheme is that the comfortable electric bicycle comprises a front fork (1), an operating handle (101), a front wheel (104), a front brake (102), an electric motor (103), a rear wheel (105), a front seat (301) and a frame (2) with a rear fork (204). The comfortable electric bicycle is characterized in that the electric motor (103) is arranged on the front wheel (104); a shock absorbing spring (905) is arranged on the frame (2); and arch leg cushions (306) which are adaptable to the shape of the rear parts of the legs of the rider are arranged at the front of a comfortable cushion (3) and can properly elevate the knee joint parts of the legs of the rider, so as to relax the two legs. The electric bicycle can be ridden in the sitting or semi-recumbent way.