46results about How to "Easy to rely on" patented technology

A communication system includes a communication utilizing apparatus connectable to a communications network and service provision apparatus for making services available to the communications utilizing apparatus. An accounting device is associated with the communications utilizing apparatus and includes a digital data storage device arranged to store details of the receipt of services by the communications utilizing apparatus a signalling circuit arranged to receive, via the communications network, signals indicating a payment due in respect of services provided by the service provision apparatus, and a comparison device arranged to compare the received indications with data derived from the stored details.

A computer-based method includes receiving, at a computer-based system, an aerial image of a property that includes a first visual indicator on the aerial image that follows and identifies a boundary line for the property; using a building rooftop Deep Fully Convolutional Network (DFCN), configured and trained to predict the presence of building rooftops in aerial imagery, to predict whether any building rooftops are present within the boundary line of the property based on the aerial image; and applying a second visual indicator to the aerial image to identify and outline a building rooftop in the aerial image identified by the building rooftop deep fully convolutional network. In some implementations, other Convolutional Networks (ConvNets) are used to predict other property attributes and characteristics.

The invention discloses a medical washing rack for ophthalmology. The medical washing rack comprises a fixing frame, a base and a fixing device. The left end of the upper surface of the base is provided with a waste liquid barrel and a cleaning barrel. The side face of the cleaning barrel is connected with one end of a main pipe. The other end of the main pipe is provided with branch pipes. The branch pipes are provided with a control valve. The right end of the upper surface of the fixing frame is provided with a placement groove. The two ends of a collection cavity are each provided with a telescopic rod. A connecting rod is arranged between the upper ends of the telescopic rods. The middle of the connecting rod is provided with a main pipe clamping ring corresponding to the main pipe. The two ends of the lower portion of the connecting rod are each provided with a connecting piece. The two ends of the fixing device are each provided with a cavity. The middle of the fixing device is provided with a fixing block. The two ends of the fixing block are each provided with a fixing rod. The upper ends of the fixing rods are provided with branch pipe clamping rings corresponding to the branch pipes. The medical washing rack is novel in structure, convenient to adjust, convenient to use, high in working efficiency and high in practicability.

The invention provides a cultivation technology for anoectochilus formosanus. The cultivation technology comprises the following steps: transplanting whole field diploid anoectochilus formosanus plants with soil into an artificial greenhouse, carrying out artificial pollination on the anoectochilus formosanus plants at the flowering phase, and picking after fruits ripen to obtain fruits of diploidanoectochilus formosanus; planting seed embryos of the diploid anoectochilus formosanus fruits into a germination culture medium for culturing to obtain protocorms, wherein the germination culture medium is prepared from MS, 0.9 to 1 mg / L of BA, 0.8 to 1 mg / L of KT, 0.08 to 0.12 mg / L of NAA, 25 to 30 mg / L of saccharose, 5 to 7 mg / L of agar and 20 to 22 mg / L of banana; carrying out dark culture onthe protocorms for 4 days and then soaking treatment in 8 to 10 [mu]mol / L of oryzalin solution for 10 to 36 hours; putting the soaked protocorms in a cluster culture medium for continuously culturingto obtain cluster buds, wherein the cluster culture medium is identical with the germination culture medium. Gravity progressive enhancement is adopted for stimulating in the rooting culture process,so that the development degree of root systems of polyploidy anoectochilus formosanus seedlings can be remarkably enhanced, and transplanting survival rate and rapid growth probability are improved.

The invention provides an emergency control and automatic loading temperature control system for an elevator. The emergency control and automatic loading temperature control system for the elevator comprises an emergency controller, an emergency power supply, a range sensor, a main wireless communication device, a water transmission pipeline, water inlet valves, a stopping layer emergency switch, a safety layer emergency switch and the like which are all configured outside an elevator car and also comprises an emergency controller in the elevator car, an emergency storage battery, a temperature measurement sensor, a water tank, an auxiliary wireless communication device, a weight measurement sensor, an in-place sensor and the like which are all arranged on the elevator car with the waterproofness and fire resistance and can move following the elevator car, wherein the water tank is internally provided with a liquid level sensor and is provided with a water outlet valve. According to the emergency control and automatic loading temperature control system for the elevator, the elevator with the functions of power failure running and rescuing in a fire can carry out automatic loading and subsequently control unloading when the quality of one side of the elevator car is smaller than the counter-weight; and meanwhile, temperature can be automatically controlled when the temperature of the elevator car is overhigh, so that the survival environment of passengers is guaranteed. The emergency control and automatic loading temperature control system for the elevator has the advantages of increasing the operation automation degree of the elevator during emergency running, and improving the convenience, the rapidness, the reliability and the safety of the elevator during emergency running.

The invention provides a double-acting impeller pump, and belongs to the technical field of mechanical engineering. The problems of high noise and large pump body vibration of the traditional double-acting impeller pump are solved. The double-acting impeller pump comprises a front shell, a back cover, a stator, an oil outlet distribution disc, an oil inlet distribution disc and a rotating shaft, wherein a rotor which is installed on the rotating shaft is arranged in the stator; the cavity between the front shell and one side of the oil outlet distribution disc is formed into an oil inlet chamber, and the cavity between the back cover and the other side of the oil outlet oil distribution disc is formed into an oil outlet chamber; a plurality of guide grooves and blades formed in the guide grooves in a sliding mode are formed in the stator, every guide groove comprises a guide surface and a groove bottom which are mutually parallel, oil supply holes which are communicated with the groove bottoms are all formed in the oil inlet oil distribution disc and the oil outlet oil distribution disc, a pressure groove which intersects the guide grooves is arranged on the rotor, a plurality of through holes are formed in the oil outlet oil distribution disc, the through holes penetrate the oil outlet chamber, and the pressure groove and the through holes are placed on the same shaft diameter. The double-acting impeller pump has the advantages of small noise and low rotating speed.

The invention discloses a gynecological disease clinical treatment device in obstetrics and gynecology department. The device comprises a supporting plate and a display arranged on the supporting plate, supporting legs are fixedly arranged at four corners of the bottom of the supporting plate. a first bed plate is fixedly arranged at the top of the supporting plate, a second bed plate is hinged toone side of the first bed plate, the second bed plate is positioned above the supporting plate, a connecting groove is formed in one side of the supporting plate, a first hole is formed in the top inner wall of the connecting groove, one side inner wall, far from the opening, of the connecting groove is rotatably provided with one end of a threaded rod, the other end of the threaded rod extends to the outer side of the supporting plate and is fixedly provided with a vertical plate, a threaded clamping block sleeves the threaded rod in a thread mode, the threaded clamping block is arranged inthe connecting groove, and threaded clamping block is provided with a threaded hole. The device has the advantages of high practicability, simple structure and convenient operation, is convenient foradjusting the angle of the second bed plate and moving the detection rod, and is convenient for people to use.

The invention provides a movable physical exercise training device which includes a longitudinal fixed pipe, a longitudinal adjustment rod, an adjustment jack, an adjustment bolt, a movable base structure, a protective ground mat structure, a leg exercise frame structure, an adjustable seat frame structure, a horizontal fixing frame, a reinforcing rod, a longitudinal connecting rod, a grip ring and a silicone sleeve. The longitudinal adjustment rod is inserted in the upper part of the inner side of the longitudinal fixed pipe, and the adjustment jack is formed in the middle position of the front side of the longitudinal adjustment rod from top to bottom; and the adjustment bolt penetrates the longitudinal fixed pipe to be in threaded connection with the adjustment jack. A bottom sliding wheel is in shaft connection to the inner side of the front of a side mounting plate, so that the device is convenient to move; a seat plate bolt is installed at the lower portion of the left side of amovable sleeve, so that riding and storage by a user during use are facilitated; the pedals are in shaft connection to the end, far away from the middle position of a disc, of a rotating frame, and the user can conveniently step the device for training the leg muscles in use.

The invention relates to a multifunctional position support adjusting bracket. The adjusting bracket comprises a body support part, wherein the body support part is connected with a vertical adjusting rod; the vertical adjusting rod is connected with a vertical support rod through a first set screw; the vertical support rod is connected with a horizontal support rod; the horizontal support rod is connected with a horizontal adjusting rod through a horizontal adjusting screw; the horizontal adjusting rod is downward connected with an angle adjusting rod through a rotary adjusting screw; the rotary adjusting screw is connected with the angle adjusting rod through an upper tooth block and a lower tooth block; the upper tooth block is sleeved on the rotary adjusting screw, and the lower tooth block is arranged in the angle adjusting rod; tooth faces of the upper ad lower tooth blocks are opposite; the rotary adjusting screw is provided with a spring; and the height and the length of a support can be adjusted through the vertical adjusting rod and the horizontal adjusting rod, so that patients in different body heights can lean and support against the support conveniently; and multi-angle rotation of the rotary adjusting screw can be realized, so that different requirements of a patient to each position of the body can be fulfilled, and the multifunctional position support adjusting bracket is utilized to the utmost extent.

A graphic self-diagnostic system comprises an input device for inputting a self-diagnostic request and rendering a request of a user; a graphic self-diagnostic device, comprising a failure database module, a failure scan module and a rendering module, for diagnosing one or more parts of the equipment being diagnosed and for generating the graphic diagnostic result; and an output device for outputting the graphic diagnostic result.

The invention discloses a liftable intelligent bed body with a backrest, comprising a main bed body, a main headboard is fixed on the front part of the main bed body, and the middle part of the top surface of the main bed headboard has an extending movement extending downwards. Slot, the upper headboard is inserted in the extended moving groove, the middle part of the rear wall of the upper headboard is fixed with a lifting plate, the bottom surface of the middle part of the lifting plate is fixed with an adjustment vertical screw sleeve, and the top of the rear wall of the main headboard is fixed with a A support block, the bottom surface of the support block is fixed with a lifting motor, the output shaft of the lifting motor passes through the support block and is connected with a vertical screw through a coupling, and the vertical screw is screwed in the adjustment vertical screw sleeve; it can be extended as required The moving block of the backrest is convenient for people to rely on. At the same time, it can automatically adjust the height of the moving block of the backrest to meet the requirements of different people and improve comfort. Some use items, very handy.

The invention provides a body control type physical exercise sliding machine for water entertainment of disabled people and an exercise method. The sliding machine comprises a machine body supportingbottom plate, a rear side protection plate is welded to the surface of the machine body supporting bottom plate, two side protection plates are welded to the surface of the machine body supporting bottom plate, the center lines of the two side protection plates and the surface of the machine body supporting bottom plate are symmetric lines and are symmetrically distributed, and a front end protection plate is welded to the surface of the machine body supporting bottom plate. The invention relates to the field of disabled people. According to the body control type physical exercise sliding machine for water entertainment of the armless disabled people, a first plate surface through groove is formed; on one hand, the connecting rope can be conveniently pulled manually to penetrate through the machine body supporting bottom plate to connect the on-board armless control mechanism with the under-board control mechanism; and on the other hand, the machine can be checked and maintained through the first plate surface through groove, so that the problems that it is difficult for common exercising equipment to adapt to the physical condition of the armless disabled and it is difficult for the armless person to exercise the whole body are effectively solved.

The invention discloses a rehabilitation nursing bed, which comprises a bed body, a second mattress is arranged in the middle of the bed body, a first mattress is arranged on one side of the second mattress, and guardrails are arranged on both sides of the first mattress Storage box; the other side of the second mattress is provided with a third mattress, and both sides of the third mattress are provided with handrails; the bottom end of the third mattress is provided with a first electric lifting rod, and the first electric lifting rod The bottom end of the mattress is provided with a first electric telescopic box; the bottom end of the second mattress is provided with an air pump box, one side of the air pump box is provided with an electric control box, and the electric control box is provided with a power control board. The device is convenient for the elderly or patients in nursing homes, and can let the elderly or patients get in and out of bed independently without the help of nursing staff, reducing the workload of nursing staff, reducing the personnel expenses of nursing homes or hospitals, and is convenient for the elderly or patients with inconvenient legs and feet to use.

The invention relates to the technical field of bathing devices and in particular to a back cleaning device for a bathe. The back cleaning device comprises a sponge body which can store a part of water flow, four corners of the left side of the sponge body are provided with square fixing plates, the left side of the square fixing plates are fixedly connected with vacuum suckers, the vacuum suckerscan be stably adhered on a tile, and cannot be moved, so the fixed installation is convenient, the right side of the sponge body is provided with a cleaning plate, the upper right part of the cleaning plate is provided with a leaning block, the right side of the cleaning plate is provided with three-quarter spherical grooves, the interiors of the three-quarter spherical grooves are provided withrubber cleaning balls. The back cleaning device is skillful in design, and completely superior to the prior art through the using cooperation of a bath cream through groove and a water flow through channel, an electric operation is not needed, and the scrubbing is convenient through the cooperation with bath cream. In addition, the cleaning is convenient after scrubbing, and the operation is veryconvenient without disassembly.

The invention discloses a novel safe goods carrying vehicle for logistics. The novel safe goods carrying vehicle comprises a carrying vehicle body and a bearing pedal, pressure sensors are arranged onthe surface of the bottom of an inner cavity of the carrying vehicle body, damping springs are arranged at the tops of the pressure sensors, a damping plate is arranged on the surfaces of the tops ofthe damping springs, a slide rail is arranged on the surface of the top of the damping plate, and an unloading pushing plate is slidably arranged at one side of the slide rail. The novel safe goods carrying vehicle is driven by power, and through the arrangement of a guard railing and a protection backup plate, a worker conveniently stands and leans on the guard railing and the protection backupplate during work; moreover, a foldable chair can provide a rest function and stability during transportation, and the occurrence of the situation that the worker falls down and gets hurt when pushingis too fast is prevented; meanwhile, a driving handle is provided with a hand brake and matched with a safety protection plate, the situation that when the vehicle is stopped instantaneously, the worker is injured by goods due to inertia is avoided, and the working efficiency and safety of the novel safe goods carrying vehicle are improved.

The invention relates to the technical field of fabricated buildings, and discloses an externally-hung telescopic hollowed-out balcony of a fabricated building, the externally-hung telescopic hollowed-out balcony comprises a wall surface, a storage groove is formed in one side of the wall surface, a telescopic structure is arranged in the storage groove, and the telescopic structure comprises a tooth groove, an inclined plate, a driven wheel, a gear, fixed teeth, a bottom plate, a connecting plate, rolling wheels and a supporting plate. The gear can control the bottom plate to horizontally move left and right along the interior of the wall surface through cooperation between the gear and the fixed teeth after being stressed to rotate, the externally-hung telescopic hollow balcony of the fabricated building is provided with a telescopic structure, and the telescopic structure can control the bottom plate to move outwards to extend through a motor; the whole balcony base is shown, the bottom plate can become a balcony after extending out, the usable area and indoor ventilation are increased, the problems that a small assembly type building is small in space and high in leakproofness are solved, and the telescopic bottom plate can be controlled to be retracted at any time according to the needs of a user.

The invention discloses multifunctional cleaning equipment for pediatric nursing. The multifunctional cleaning equipment comprises a cleaning basin main body, a spraying assembly and a sitting and leaning assembly, the spraying assembly and the seat leaning assembly are arranged in the cleaning basin main body, the spraying assembly comprises a spraying pipe, a spraying pump body and a supportingframe, a clamping ring is arranged at the top of the supporting frame, and a spraying head is arranged at one end of the spraying pipe; the spraying head is provided with a spraying switch, the spraying pump body is communicated with a spraying pipe, and the spraying pipe is a hose; and the sitting and leaning assembly comprises a sitting stool, a supporting plate and an adjusting device, a soft belt is further arranged on the sitting stool, and the supporting plate is installed on the side wall of the washing basin body through the adjusting device. The spraying pipe and the spraying head areadopted, and the spraying pump body and the spraying switch are matched, so that the spraying head is conveniently held by hand to help children to clean; the adjusting rod and the telescopic rod areadopted, the length of the telescopic rod is adjusted, the included angle between the adjusting rod and the inner wall of the cleaning basin body is changed, and therefore the position and angle of the supporting plate are adjusted to be suitable for different children.

The invention provides a bracket and a chair with the same. The bracket comprises supporting plates and fixing components, wherein the fixing components are arranged at the bottoms of the supporting plates and are used for detachably arranging the supporting plates at the positions of armrests on the left and right sides of the chair; the front ends of the supporting plates are provided with transversely placed parts; the supporting plates comprise a left supporting plate and a right supporting plate which are arranged on the left and right sides of the chair respectively; the transversely placed parts of the left supporting plate and the right supporting plate are extended from the left and right sides of the chair to the middle of the chair respectively and are transversely placed on thefront side of the body of a person, so that the left and right hands of the person are naturally stretched out to be in front of the body and are put above the transversely placed parts to carry outoperation. The supporting plates disclosed by the invention are transversely placed in front of the body of the person and further more recline the body; the arms of the person are naturally stretchedout to be capable of touching two split keyboards; the human body does not need to be inclined forwards to be capable of carrying out the operation; the back of the human body is supported, and a user cannot feel fatigue when working or amusing for a long time.

The invention discloses a length-adjustable chair. The length-adjustable chair comprises a shell, a double-rotor motor is arranged in an inner cavity of the shell, a right-hand thread rod and a left-hand thread rod are arranged on the two sides of the double-rotor motor respectively, movable shells are arranged on the two sides of the inner cavity of the shell, thread sleeves penetrate through theopposite sides of the two movable shells, and the ends, away from the double-rotor motor, of the right-hand thread rod and the left-hand thread rod penetrate through the thread sleeves and extend into inner cavities of the movable shells. By arranging the shell, the double-rotor motor, the right-hand thread rod, the thread sleeves, the movable shells, casters, vertical rods, a controller, first baffles, a backup plate, second baffles, movable plates, the left-hand thread rod and supporting legs in cooperation, the problem that the length of existing chairs cannot be automatically adjusted issolved, the length-adjustable chair has the advantage of automatically adjustable length, convenience is provided users in use, the practicability of existing chairs is improved, and the length-adjustable chair is worthy of popularization.

The invention discloses an adjustable latex pillow and its preparation method, and belongs to the technical field of latex products. The problems that in the prior art, the height of a latex pillow can not be changed, the shape of the latex pillow can not be adjusted and the sleep aiding property is poor are solved. The adjustable latex pillow includes a latex pillow inner, an adjusting device anda pillowcase, wherein the adjusting device is arranged in the latex pillow inner; the latex pillow inner includes several superposed latex sheet cores and includes, by weight, 70-85 parts of naturallatex, 3-5 parts of nerve-calming traditional Chinese medicine agent, 6-9 parts of grease absorption agent, 3-7 parts of antibacterial agent, 5-8 parts of vulcanizing agent, 2-5 parts of zinc oxide and 0.2-0.3 part of potassium hydroxide. The pillow inner is designed into the several superposed sheet cores, the height of the pillow inner can thus be adjusted, the adjusting device is used for avoiding central depression, at the same time, the whole shape can be adjusted so that people can have a noon break or lean on the pillow, the nerve-calming traditional Chinese medicine agent is arranged,the sleep aiding property is thus improved, the grease absorption agent is used for fully absorbing grease on the head of the human body, and the cleaning function of the adjustable latex pillow is enhanced.

The invention discloses a canopy bed. The canopy bed comprises a lower bed board and a bed ladder; support posts are fixed at the four corners of the lower bed board; an upper bed board is connected and fixed above the lower bed board; the upper bed board and the lower bed board are of a rectangular plate-type structure; the two support posts at the right side of the lower bed board penetrate through the upper board bed and are connected and fixed with a clothesline pole; a backrest device is installed between the two support posts at the lower rights of the upper bed board and the lower bed board; protective edges are connected and fixed at the front and rear ends of the upper bed board; the protective edges are connected and fixed at one of the upper bed board and the lower bed board facing away from the backrest device; two cabinets are connected and fixed on the lower surface of the lower bed board; and the bed ladder is installed between the upper bed board and the lower bed board. According to the canopy bed provided by the invention, by setting a screw and a backup plate, rotating the screw, rotating the backup plate to an appropriate angle, a movable board in the backup plate cavity slides downwards to drive a connecting plate to be attached to the bed surface all the time; and when students read books or play mobile phones for a long time, the students can convenientlyrely on the canopy bed, and the overall comfort of the canopy bed is improved.

The present invention belongs to the technical field of urology departments and particularly relates to a postoperative nursing device for urological patients. The postoperative nursing device for urological patients comprises a supporting base, a fixing box is fixedly arranged at a bottom part of one side of the supporting base, a forward and reverse rotation motor is fixedly arranged in the fixing box, a transmission shaft of the forward and reverse rotation motor penetrates through the supporting base and is fixedly connected with a rotating roller arranged in the supporting base, two gearsare fixedly arranged outside the rotating roller, and a supporting plate is fixedly arranged in the supporting base. The forward and reverse rotating motor is arranged to drive the rotating roller toconduct forward and reverse rotation to drive the corresponding gears to rotate forwards and reversely, due to the fact that the corresponding gears are connected with gear teeth in a meshed mode, corresponding rotating disks, rotating rods and screw rods are driven to rotate forwards and reversely, screw nuts and sliding blocks are cooperated, then two movable plates are driven to ascend and descend at the same time, so that height of a transverse plate is adjusted, postoperative nursing can be conducted on patients with different heights, and the postoperative nursing device is more convenient and faster to use.

The invention provides a manufacturing method of an electric vehicle backrest frame with a backrest cushion convenient to adjust and install and belongs to the field of electric vehicles. The manufacturing method comprises the following steps that firstly, a metal plate is cast through an iron metal material; the metal plate is subjected to punching treatment, and venting holes are evenly punched in the metal plate; the surface of the punched metal plate is subjected to polishing treatment; and a connecting plate is cast through the same metal material, one end of the connecting plate is welded to the middle position of the lower side edge of the end face of the metal plate, and the connecting plate is perpendicular to the metal plate. According to the manufacturing method, the metal plate is subjected to quenching treatment, the hardness of the metal plate is improved, and a passenger at the back seat can be supported conveniently; ventilation of the metal plate is facilitated through the venting holes; the surface of the punched metal plate is subjected to polishing treatment, and the situation that burrs are generated during punching, and smearing of other materials to the surface of metal is affected is avoided; and the outer surface of the metal plate is subjected to phosphating treatment, the surface is covered with a layer of phosphating film, the phosphating film has porosity, permeation of a coating material is facilitated, and the adsorbability of a coating is improved.

The invention provides a body-controlled physical agility exercise sliding machine for water recreation of abrachia disabled people. The machine includes a body support bottom plate, a surface of thebody support bottom plate is welded with a rear side protection plate, side protection plates are welded on a surface of the body support bottom plate, the number of the side protection plates is two,the two side protection plates are symmetrically distributed with the center line of the surface of the body support bottom plate, the surface of the body support bottom plate is welded to a front protection plate, and the disabled people field is related. According to the machine, a first plate surface through slot is formed, on the one hand, convenience is provided for a connecting rope to be manually pulled to penetrate through the body support bottom plate to connect an armless control mechanism on a plate with a under-plate control mechanism, and on the other hand, the machine can be inspected and repaired through the first plate surface through slot, thereby effectively solving the problems that general exercise equipment is difficult to apply to the physical condition of the abrachia disabled people, and the whole body exercise of armless people is difficult.

The invention discloses a referee chair capable of being quickly disassembled and assembled for sports competitions. The chair comprises a pedal, a first support frame, a seat and a second support frame; one end of the pedal is movably connected to the outer surface of the first support frame, and the other end of the pedal is fixedly connected to the outer surface of the second support frame. Thefirst support frame and the second support frame are connected to the two sides of the seat in a fastened mode. A connecting rod is welded to the center of the bottom face of the first support frame.A sleeve is welded at one end of the connecting rod; a threaded hole is formed in the outer surface of the edge of the other end of the connecting rod, a first support rod is fixedly installed in thefirst support frame, a second support rod is fixedly installed in the second support frame, handrails are welded to the top ends of the first support rod and the second support rod, and a positioningscrew rod is movably inserted into one end of each handrail. The referee chair can be rapidly disassembled, and the referee chair is convenient to carry and store.

The invention provides a double-acting impeller pump, and belongs to the technical field of mechanical engineering. The problems of high noise and large pump body vibration of the traditional double-acting impeller pump are solved. The double-acting impeller pump comprises a front shell, a back cover, a stator, an oil outlet distribution disc, an oil inlet distribution disc and a rotating shaft, wherein a rotor which is installed on the rotating shaft is arranged in the stator; the cavity between the front shell and one side of the oil outlet distribution disc is formed into an oil inlet chamber, and the cavity between the back cover and the other side of the oil outlet oil distribution disc is formed into an oil outlet chamber; a plurality of guide grooves and blades formed in the guide grooves in a sliding mode are formed in the stator, every guide groove comprises a guide surface and a groove bottom which are mutually parallel, oil supply holes which are communicated with the groove bottoms are all formed in the oil inlet oil distribution disc and the oil outlet oil distribution disc, a pressure groove which intersects the guide grooves is arranged on the rotor, a plurality of through holes are formed in the oil outlet oil distribution disc, the through holes penetrate the oil outlet chamber, and the pressure groove and the through holes are placed on the same shaft diameter. The double-acting impeller pump has the advantages of small noise and low rotating speed.

The invention discloses a rehabilitation device for waist and leg pain and convenient for angle adjustment. The rehabilitation device comprises a base, a telescopic rod and a supporting seat, whereina first bearing seat is mounted in the base, the telescopic rod is connected to the top of the first bearing seat through a shaft rod, and a supporting plate is connected to the top end of the telescopic rod through a second bearing seat; and a first waist protecting belt is mounted at the top of the supporting plate, the supporting seat is mounted at the top of the base in an embedded mode, a sealing cover is connected to one side of the supporting seat through a hinge, a connecting plate is mounted on one side of the sealing cover, a supporting rod is mounted in the connecting plate in a penetrating mode, a placing box is mounted on the inner wall of the sealing cover, and a power line is mounted on one side of the sealing cover. The length is adjusted through the telescopic rod, the topof the supporting plate is driven to move up and down, a user can adjust the angle of the supporting plate conveniently, different requirements of the user are met, a patient can lean against the supporting plate conveniently through movement of the supporting plate, and the comfort of the patient is improved.