108results about How to "Variable volume" patented technology

The invention discloses a refrigerating cabinet which comprises a cabinet body, a separating plate and a refrigerating system, wherein a refrigerating chamber is arranged in the cabinet body; the separating plate is arranged in the refrigerating chamber so as to separate the refrigerating chamber into a freezing chamber and a cold storage chamber; the separating plate can move in the refrigerating chamber so as to adjust the volumes of the freezing chamber and the cold storage chamber; and the refrigerating system is arranged in the cabinet body and is provided with an evaporator for refrigerating the refrigerating chamber. The refrigerating cabinet provided by the embodiment of the invention has the advantages of adjustable volumes of the freezing chamber and the cold storage chamber, and the like.

A traditional Chinese medicine rehabilitation exercise device for old people nursing solves the problems that an existing rehabilitation exercise device is single in function, exercise content cannotbe conducted according to special physical and mental characteristics and individual differences of old people, an ideal effect cannot be achieved due to large-load selection, and exercise injuries are prone to occurring. A driving hand wheel can perform arm loopback movement, the driving hand wheel can lift a water lifting bucket to perform upper limb strength exercise, the lifting frequency of the water lifting bucket can be controlled, excessive exercise is avoided, a patient can be protected, the volume of the water lifting bucket is adjustable, and the upper limb strength exercise can beadjusted according to personal conditions; a seat frame can be used for lower limb buckling exercise and leg strength exercise, and the seat frame can be lifted to control a first reverse bucket to reversely pour water back into a first water containing bucket; stability can be kept by pulling a handle while legs are exercised, the handle can be pulled to exercise upper limbs at the position wherethe seat frame stays, and a transmission shaft can be driven by pulling the handle so that a supporting seat can exercise lower limbs of a patient in a loopback mode.

The invention discloses a supercritical CO2 foaming system used for microporous polymer preparation. The system comprises a gas supply unit, a gas-liquid separation unit, a pressurizing unit, a preheating unit, and a supercritical CO2 high pressure reaction vessel that are connected in order. The supercritical CO2 high pressure reaction vessel includes a high pressure reaction vessel, the external surface of which is provided with multifrequency ultrasonic generators. The foaming system utilizes the high-frequency vibration of ultrasonic waves to enhance the diffusion rate and nucleation rateof supercritical CO2, thus not only being able to shorten the time period of a foaming technology, but also being able to improve the foaming performance of a polymer. The system of the invention introduces multifrequency ultrasonic waves into a supercritical CO2 foaming instrument for the first time, and can substantially improve the diffusion rate and extraction efficiency of CO2 in a polymer matrix.

The invention relates to a turbine pressurize diesel engine variable-discharge-tube-volume modular pulse converting pressurize device, formed by a modular pulse converter, an auxiliary discharge tube, a three-way tube and a two-way control valve. The modular pulse converter is formed by an injector and a cylinder discharge tube, wherein, the injector is mounted at one side of discharge channel of the cylinder, the discharge tube of ascending cylinder forms the ascending discharge tube, and the discharge tube of descending cylinder forms the main discharge tube, the descending end of ascending discharge tube is connected with the ascending end of three-way tube; two descending ends of three-way tube are respectively connected to the main discharge tube and the ascending end of the auxiliary discharge tube; the cross of three-way tube is mounted with a two-way control valve; the descending ends of main and auxiliary discharge tube are respectively connected with two ascending ends of pulse converter whose descending end is connected with the inlet of turbine; the ascending end of pulse converter has two reducing tubes while the descending end is mixing tube with equal section. The invention has adjustable volume of discharge tube, to meet the work adjustment of diesel engine, while the application is not limited by the cylinder number.

The invention discloses a desk for containing objects, and relates to desks. The desk comprises a desktop and a fixing board vertically and fixedly arranged below the desktop. A cavity is formed inside the fixing board. A desk hopper is arranged below the fixing board. The upper end of the desk hopper is inserted into the cavity. A compression spring is arranged between the upper end of the desk hopper and the top face of the cavity. Desk legs are arranged below the desk hopper. Installation holes are formed in the desktop. A cooling fan and a ventilation net are installed inside the installation holes. The surface of the ventilation net is flush with the desktop. An inclined placement frame and a stretchable rod are further arranged on the desktop. One end of the stretchable rod is hinged to the inclined placement frame. A supporting rod is further hinged to the desktop. A placement board is rotationally arranged on the supporting rod. The desk hopper containing size is variable, a computer can be conveniently cooled, and use is convenient.

The invention discloses a micro-amount liquid reflective rate measuring device based on self-mixing interference. The micro-amount liquid reflective rate measuring device based on self-mixing interference comprises an optical path part and a signal processing part; the optical path part comprises a laser light source, a phase regulator, an optical path catadioptric unit, and an object carrying platform; the object carrying platform is loaded with a sample to be measured; the laser light source, the phase regulator, the optical path catadiopric unit, and a sample to be measured are connected successively through optical path connection; the signal processing part comprises a signal pre-treatment circuit, an A/D converting circuit, a DSP data processing unit, and an output terminal; an inputterminal of the signal pre-treatment circuit is connected with the laser light source; the signal pre-treatment circuit, the A/D converting circuit, the DSP data processing unit, and the output terminal are connected successively through circuit connection. The invention also discloses a reflective rate measuring method based on self-mixing interference. The micro-amount liquid reflective rate measuring device is simple in structure, and wide in measuring range; the measuring method is simple and convenient in operation, and high in measuring precision.

The invention discloses an air cylinder achieving gasoline engine compression ratio continuous variation and a work method of the air cylinder achieving gasoline engine compression ratio continuous variation. The air cylinder achieving gasoline engine compression ratio continuous variation comprises a first cavity and a control system. The first cavity is defined by an air cylinder cover, an air cylinder cushion and an air cylinder sleeve. A first piston is arranged in the first cavity. The upper portion of the cavity wall on one side of the first cavity is provided with a compression ratio adjusting mechanism. The compression ratio adjusting mechanism comprises a second cavity, a connection pipe enabling the first cavity and the second cavity to communicate, a second piston arranged in the second cavity and an executing mechanism which is connected with the second piston and capable of driving the second piston to move back and forth in the second cavity. The air cylinder cover is provided with an oil sprayer, a sparking plug and a knock sensor used for detecting knock of the air cylinder. The control system is connected with the knock sensor and the executing mechanism to form a closed-loop control system. The air cylinder can adjust the compression ratio of a gasoline engine according to use working conditions, a large compression ratio is adopted when the load is small, a small compression ratio is adopted when the load is large, knock is avoided, the thermal efficiency of the gasoline engine is improved, and therefore the purpose of saving oil is achieved.

The invention provides a detector. The detector is utilized for detecting if a target analyte exists in a liquid sample needing to be detected. The detector comprises a deformable sample collection part. The deformable sample collection part comprises a cavity for collecting liquid samples needing to be detected, and a detection element for detecting if a target analyte exists in a liquid sample needing to be detected, wherein the cavity of the deformable sample collection part is communicated with the detection element. Through the deformable sample collection part of the detector for detecting target analytes in samples needing to be detected, a detector volume is reduced so that a floor space is reduced; the detector can be compressed and folded so that transport is convenient; use is convenient; and a cost is reduced.

The invention discloses a portable multi-face show teaching device. The portable multi-face show teaching device comprises a base, universal wheels and a show box, wherein the show box is provided with a middle partition, and drawing plates are arranged on front and rear sides of the middle partition and are writing boards; side face plates are arranged on left and right sides of the show box and are writing boards; the bottom of the show box is fixedly connected with an accommodating cylinder; a top plate in the accommodating cylinder is fixedly connected with a support rod, and the bottom of the support rod is fixedly connected with the base. By means of the moving base capable of being accommodated, the device is variable in size, adjustable in height and convenient to carry and rotationally show, and has better portability and adjustability; by means of a multi-face show plate and the multiple drawing plates, more content can be written on a blackboard, blackboard writing time can be saved, and classroom efficiency can be increased; by means of a moving blackboard eraser and a hourglass type chalk dust groove, the device has higher erasing efficiency and better collecting effect, and harm to body health of teachers and students is avoided.

The invention belongs to the field of material mixing, and in particular, relates to a material mixing method including the following steps: step 1, preparing a stirring device; step two, transferringthe stirring device: carrying the stirring device in the step 1 to liquids needing mixing; step three, inflating: inflating an air bag with hydrogen and controlling the height of the air bag at 0.3-0.5 m; step four, adding a material: closing a liquid outlet, adding the liquids needing mixing into a box body through a stirring rod, and controlling the adding amount of the liquids according to theextension degree of the box body; step five, stirring: rotating the stirring rod to make the liquids fully mixed; step six, taking the material: opening the liquid outlet, and taking out the liquid in the box body; step seven, ending: extruding the box body downwards to compress the box body and the stirring rod to make the box body height at 0.3-0.5 m, fixing the tank body with a buckling part,and thus conveniently transferring the stirring device. The device not only is convenient to carry, but also the liquid containing volume is variable.

The invention provides a supersonic blending reinforcing structure with an adjustable frequency characteristic and a rocket based combined cycle. The supersonic blending reinforcing structure comprises a supersonic incoming flow baffle, supersonic incoming flow channels are arranged on both sides of the supersonic incoming flow baffle, and the two supersonic incoming flow channels are in communication with each other at the tail end of the supersonic incoming flow baffle and form a supersonic incoming flow blending zone. The supersonic incoming flow blending zone communicates with the supersonic incoming flow channels through flow guiding pipes, the flow guiding pipes comprise expansion cavities formed in the supersonic incoming flow baffle, and expansion pipes with adjustable volume are arranged in the expansion cavities. Due to a pressure difference between the two ends of the flow guiding pipes, jet flow can be formed in the supersonic incoming flow blending zone without providing an additional air source, and blending reinforcing control of the supersonic incoming flow blending zone is realized; and meanwhile, the expansion pipes are arranged in the flow guiding pipes, the jetflow ejected by flow guiding rear pipes has a certain frequency characteristic, and moreover, the volumes of the expansion pipes are adjustable, so that the frequency of the jet flow ejected by the flow guiding rear pipes is adjustable. The supersonic blending reinforcing structure with the adjustable frequency characteristic and the rocket based combined cycle are applied to the field of supersonic incoming flow blending control.

The invention relates to a fin stabilizer (1) for stabilizing water vehicles, comprising a pivotable stabilizing fin (2), a fin box (6) for receiving the stabilizer fin in the pivoted state, and at least one covering element (8) for at least partially covering a fin box opening, through which the stabilizer fin exits and enters the fin box during swiveling in and out, wherein the at least one covering element (8) is resilient. The invention also relates to a covering element for a fin box opening and a water vehicle having at least one fin stabilizer.

The invention discloses a quantitative filling device for cosmetic production, and belongs to the field of cosmetic production equipment. The device comprises a conveying mechanism and a filling mechanism. The filling mechanism comprises a storage barrel body and a filling head communicating with the storage barrel body. The conveying mechanism comprises a fixed supporting table and a rotating table; a feeding notch, a filling station and a discharging notch are sequentially arranged on three sides of the fixed supporting platform, carrier plates are arranged on the rotating table at equal intervals, lifting rods are fixed at the bottoms of the carrier plates, and the lifting rods are connected with a rotating lifting driving mechanism; and the filling head is aligned with the eccentric position of a bottle mouth of a filling bottle below the filling head; a limiting rod is arranged in the storage barrel body, a screw rod penetrating through the storage barrel body is fixed on the limiting rod, an adjusting port is formed in the position, through which the screw rod penetrates, of the storage barrel body, and the screw rod is sleeved with a locking nut. Insufficient filling quantity caused by foam accumulation in the filling bottle can be avoided, and the reliability of the filling process is guaranteed; the primary filling amount of the filling mechanism is adjustable, so thatquantitative filling can be realized; and automatic feeding, filling and discharging can also be realized.

An adjustable-capacity type sand box comprises sand box side plates and a moving type partition board assembly, wherein the moving type partition board assembly comprises a first partition board, a second partition board and a middle connector; one end of the first partition board is connected with the inner wall of one sand box side plate; the other end of the first partition board is connected with one end of the second partition board; the other end of the second partition board is connected with the inner wall of another sand box side plate; a plurality of long round holes are formed in the other end of the first partition board; a plurality of through holes are further formed in one end of the second partition board; and the middle connector is inserted into any through hole of the first partition board and any through hole of the second partition board so as to realize the adjustable connection of the first partition board and the second partition board. The adjustable-capacity type sand box is realized by arranging the moving type partition boards at the four corners of the sand box. An accommodating zone in the middle of the sand box is separated from unoccupied zones at the four corners by the moving type partition boards, so that only the middle accommodating zone is used during the molding of fluid sand. In this way, the capacity of the sand box is adjustable.

The invention discloses a capacity-adjustable schoolbag which comprises a schoolbag body and schoolbag straps, wherein a folding part is arranged at the bottom of the schoolbag body; a circle of folding edge sutured on the schoolbag body is arranged on the bottom edge of the folding part; a plurality of folding button holes are formed in the folding edge; the circle of folding edge sutured on the schoolbag body is arranged on the upper edge of the folding part; folding buttons with the number the same as that of the folding button holes are arranged on the folding edge; the folding part is folded through the folding button holes and the folding buttons. The schoolbag is adjusted by unfolding or folding the folding part according to different capacity requirements when in use to fit various applications, and is simple in structure and convenient to operate.

The invention relates to equipment for manufacturing capillary reactors, which consists of a capillary reactor main body and a solder sealing synthesizer, wherein the solder sealing synthesizer comprises a vacuum pump, a liquid nitrogen reservoir, a fixing device and an oxyhydrogen flame device used for performing solder sealing on end parts of the capillary reactors; the vacuum pump is connectedwith the capillary reactor main body; and the capillary reactor main body is fixed in the liquid nitrogen reservoir through the fixing device. The invention provides the equipment and a method for manufacturing the capillary reactors used for high-temperature and high-pressure reactions.

The embodiment of the invention provides a raincoat, and belongs to the technical field of rain gear. The raincoat comprises a raincoat body and a cap. The raincoat body comprises an upper garment andtrousers, and a plurality of reflective strips are arranged on the raincoat body; the cap is connected to the upper portion of the raincoat body, drawstrings are arranged on the left and right sidesof the cap, and the cap is provided with a zipper from front to back; the zipper comprises two chains and a zipper puller, the chains are connected with the cap through sewing thread and are arrangedat an interval relative to the cap, and the zipper puller is connected with the two chains and controls engagement and disengagement of the chains to regulate the volume of the cap. The raincoat has the advantages of rain resistance, high reflectivity, and convenient adjustment of the size of the cap.