71results about How to "Increase fit area" patented technology

The invention relates to a disposable circumcision and anastomosis device, which belongs to medical equipment, and is especially suitable for circumcision and anastomosis of males due to prepuce or phimosis. Including the driving device of the nail anvil assembly, the fixing device of the staple bin, the driving device of the pushing plate, the return spring of the pushing plate, the cutting indicating device, the fixed handle and the movable handle; the driving device of the nailing seat assembly includes the glans cover, the knife ring, the screw, Adjusting nut, adjusting nut cover and adjusting nut pin; staple cartridge fixing device includes staple cartridge, staple cartridge cover and staple cartridge cover pin; push piece transmission device includes ring knife, push piece, push piece push seat, connection block, transmission block , safety block, handle connecting piece and handle connecting pin; the push piece is installed in the magazine cover, the push piece return spring is set at the back of the push piece, the front end of the push piece return spring is against the inside of the staple case, and the rear end is against the inside of the staple case. The push piece pushes the front end of the seat; the cutting indicating device includes a window, a pointer and a pointer spring.

The invention relates to a method for controlling separated layer water injection by flow wave. The method comprises the following steps: mounting an intelligent water distributor corresponding to each water injection layer on a water injection pipe column, and mounting a well mouth main station controller and an intelligent water adjusting valve on a well mouth; encoding a command transmitted tothe underground by the well mouth main station controller and controlling the intelligent water adjusting valve to generate downlink flow wave; receiving and decoding the downlink flow wave by the intelligent water distributor, and controlling a water nozzle to inject water according to the command of a main station; encoding data needing to be uploaded by the intelligent water distributor and forming corresponding uplink flow wave; and receiving the uplink flow wave by a well mouth main station receiver and then decoding to acquire the needed data, wherein encoding is performed at a combination of a start bit, a data segment and an end bit, each bit of data n is represented by nT+1T time units, and 1T follows the heel of nT and presents the opposite flow state with the nT. The method hasthe encoding characteristics of changing periods and reducing action energy consumption, communication time consumption can be shortened and the water nozzle action times can be reduced.

The invention relates to a separate layer water injection system of a small cased well. A water injection pipe column is inserted into an inner cavity of a small bushing, the upper end of the water injection pipe column is connected to a large diameter section of the pipe column by means of reducing, intelligent water distributors are separately arranged in positions, corresponding to oil layers,in the water injection pipe column, and packers are separately arranged between adjacent intelligent water distributors. The water distributors are controlled by a ground control system, a coming water manual switching valve is mounted on a coming water branch pipe in the ground control system, an upstream pressure transmitter is mounted upstream of the coming water manual switching valve, an intelligent water regulating valve is mounted downstream, the downstream of the intelligent water regulating valve is connected to a water injection manual switching valve, an outlet of the water injection manual switching valve is connected to a water injection pipe, a downstream pressure transmitter is mounted at the outlet of the intelligent water regulating valve, signal lines of the two pressuretransmitters and the intelligent water regulating valve are connected to a ground controller, a bypass drain pipe is connected to the water injection pipe, and an electric pressure relief valve is arranged at the inlet of the bypass drain pipe. The control system can achieve bidirectional pressure wave communication of underground equipment and downhole instruments.

The invention discloses a vertical screw extruding juice extractor, which comprises a machine base, a motor arranged in the machine base, an extrusion screw, a pressing chamber cooperating with the extrusion screw to extrude materials, and an upper cover installed above the pressing chamber , the pressing chamber is installed on the machine base, the extruding screw is installed in the pressing chamber, the upper cover is provided with an accommodating part protruding upwards and used to accommodate the upper part of the extruding screw, and the side wall of the accommodating part is set There is a feed port and a feed channel connected to the feed port, the angle between the geometric center of the two ports of the feed channel and the vertical plane is a, 30°≤a≤60°, so that the material depends on itself The gravity can quickly enter the accommodating part directly through the feeding channel, and is quickly brought into the extrusion grinding part of the extrusion screw and the pressing chamber formed by the downward guidance of the material propulsion part at the corresponding position of the feeding port. Squeeze in the juice gap, easy to realize fast automatic feeding.

The invention discloses a decorative board comprising a long or square board body which is provided with a first side surface and a second side surface which are opposite. The decorative board is characterized in that at least two paths of spaced joint tongues are bulged on the first side surface from top to bottom, and the second side surface is provided with at least two paths of spaced connecting troughs matched and installed with the joint tongues on the first side surface from top to bottom. Two paths of joint tongues and connecting troughs are provided by the invention; compared with the single chase mortise matching structure, the matching area of a board body trough and tenon joint is enlarged, frictional force is increased, and the board body trough and tenon joint are tightly meshed, have favorable stability and high joint strength; in addition, because the connecting trough and the joint tongues are in multilayer structure, water is stopped by the highest connecting troughs or joint tongues when water is used for cleaning the board body, so that water can not seep into other lower connecting troughs or joint tongues, and the phenomenon that the board body deforms or arches because of water penetration can be reduced. The design of long and short mortises can save more timber resource than common single tenon and brings better economic value.

The invention discloses a pumping-aiding device of an oil pumping rod and a sand blocking oil outlet sliding sleeve thereof. The pumping-aiding device of the oil pumping rod comprises a core rod, wherein the upper end of the core rod is connected with an upper connecting hoop; the lower end of the core rod is connected with a lower connecting hoop; the sand blocking oil outlet sliding sleeve can glidingly sleeve the middle part of the core rod and is a hollow step shaft; the hollow part is a step through hole; a first shaft section and a second shaft section are at least formed on the step shaft from top to bottom; the outer diameters of the first shaft section and the second shaft section are sequentially increased; a transition surface is formed between the first shaft section and the second shaft section; a lateral opening is axially and downwards formed in the place which contains the transition surface and is communicated with the step through hole to form an oil passage; the maximum inner diameter of the sand blocking oil outlet sliding sleeve is smaller than the outer diameter of the lower connecting hoop. According to the pumping-aiding device of the oil pumping rod and the sand blocking oil outlet sliding sleeve provided by the invention, pumping-aiding, sand-blocking and righting functions can be simultaneously realized, and the pumping-aiding device and the sand blocking oil outlet sliding sleeve are simple in structure.

The invention relates to the technical field of electrical connection devices, in particular to an electrical wiring terminal. The electrical wiring terminal comprises a shell; a threading hole for insertion of a lead wire is formed in the shell; the shell is internally provided with a supporting conductor used for conductively communicating with the lead wire inserted into the shell and a wire pressing spring piece for pressing the lead wire to the supporting conductor; a handle for driving the wire pressing spring piece to act is hinged to the shell; the wire pressing spring piece comprisesa fixed part which is fixed to the shell, and further comprises an overhanging part which swings relative to the fixed part under the driving of the handle; and the handle is provided with a pushing part for pushing the overhanging part to press the lead wire in a rotating process. The overhanging part can swing in the shell by taking the fixed part as a supporting point to compress or loosen thelead wire; and the position of the wire pressing spring piece in the shell cannot be changed due to the limitation of the fixed part, so that the wire pressing spring piece has a unique movement trackunder the driving of the handle, the matching position of the wire pressing spring piece and the handle is not changed, and the reliability of the electric wiring terminal is ensured.

The invention belongs to the technical field of liquor jar storing packaging and particularly relates to a liquor jar packaging device. The liquor jar packaging device at least comprises a packaging cover arranged on a jar cover in a covering mode. The packaging cover extends to the jar neck of a jar body from the jar cover to conduct wrapping for forming flange baffle position cooperation. The liquor jar packaging device is characterized in that the packaging cover is of a cylinder shell structure formed by two or more cover body assemblies in a split-type splicing and/or hinged butting mode; the matched edge of each cover body assembly is provided with a positioning pin; each pair of positioning pins which are matched with each other are provided with tenons and mortises respectively, and the two positioning pins are oppositely inserted in the assembling direction of the cover body assemblies to form a mortise and tenon joint matched structure; the liquor jar packaging device further comprises a locking body limiting the positioning pins from moving relative to the inserting direction. The liquor jar packaging device is reasonable in structural design, the structural stability and the fast dismounting effect of the liquor jar packaging device can be ensured while the normal packaging effect of a traditional jar cover on a jar opening is ensured, and operation is extremely flexible, convenient and quick.

The invention discloses a geological mineral exploration device for layered storage of ore beds with different depths, and relates to the technical field of mineral exploration devices. The device includes a base, the base is connected with a rotating shaft assembly, the side wall of the rotating shaft assembly is rotationally connected with a conversion plate, the two opposite sides of the conversion plate are both fixedly connected with supporting plates, two oppositely-arranged U-shaped frames are arranged between the two supporting plates, the U-shaped frames are fixedly connected with the conversion plate, one U-shaped frame is connected with a drilling assembly, and the other U-shaped frame is connected with a sampling assembly. The drilling assembly and the sampling assembly are oppositely arranged, the sampling assembly comprises a lifting mechanism and a sampling mechanism, the side walls, away from each other, of the two supporting plates are connected with locking assemblies, and the base is connected with a positioning assembly; therefore, transverse sampling can be carried out on different ore beds of an exploration hole, extracted samples can be independently stored, the sample extraction precision is effectively improved, meanwhile, repeated sampling of workers in different times and groups is avoided, waste of manpower resources is reduced, and the sampling efficiency is improved.

The invention discloses an efficient refrigeration refrigerator. A fluid type heat exchange plate is mounted on the side portion of a capillary pipe and comprises a heat exchange metal plate; and a first transverse capillary groove, a first longitudinal capillary groove, a main capillary groove, a second longitudinal capillary groove and a second transverse capillary groove are formed inside the heat exchange metal plate. According to the efficient refrigeration refrigerator, the heat exchange metal plate internally containing a saturated salt solution is additionally arranged on the capillary pipe, and when refrigerated by freon, the capillary pipe can quickly realize heat exchange with the interior of the refrigerator through the heat exchange metal plate, so that the heat exchange efficiency of the freon is improved, and energy is saved; the saturated salt solution is a fluid and has high specific heat capacity simultaneously so that the saturated salt solution can quickly conduct the local low-temperature of the heat exchange metal plate to the whole heat exchange metal plate through flowing of the saturated salt solution, thus the heat exchange efficiency of the freon is further improved, and energy is saved.

The invention relates to a duct-type air conditioner, a fan as well as a slide rail mounting structure and a limit assembly thereof. The slide rail mounting structure comprises a slide rail assembly,an assembling assembly and the limit assembly. The limit assembly comprises a first limit part and a second limit part, wherein the first limit part and the second limit part are mounted on the sliderail assembly and the assembling assembly respectively; and a mating hole is formed in the first limit part; and an assembling part is formed on the second limit part. While the assembling assembly slides from one side of the slide rail assembly onto the slide rail assembly, the assembling part gradually goes into the mating hole. The dimension of the assembling part decreases gradually in the direction towards the first limit part and is matched with the dimension of the mating hole, so as to guide the sliding of the assembling assembly on the slide rail assembly, correct the assembly error caused by insufficient machining accuracy, and improve the precision and reliability of the sliding mounting of the assembling assembly on the slide rail assembly. The matching between the assembling part and the mating hole can restrict the continuous sliding of the assembling assembly on the slide rail assembly, thereby simplifying the disassembly and assembly steps.

The invention discloses a building block bisecting machine. The building block bisecting machine comprises a machine seat, an upper cutter rest, an upper cutter, a lower cutter seat, a lower cutter and a pushing mechanism, wherein the lower end of the upper cutter frame is supported on the machine seat through a supporting spring; the upper cutter is erected at the upper end of the upper cutter rest; the lower cutter seat is arranged on the upper cutter rest in a vertical sliding mode; the lower cutter is arranged at the upper end of the lower cutter seat and located under the upper cutter; the pushing mechanism is clamped between the lower end of the upper cutter rest and the lower end of the lower cutter seat and used for driving the lower cutter seat to ascend and descend. The upper cutter and the lower cutter right face each other. When the pushing mechanism drives the lower cutter seat to ascend, the upper cutter rest squeezes the supporting spring to descend under the action of counter-acting force, the upper cutter and the lower cutter bisect a building block, and then the building block cracks and is broken. The building block bisecting machine is simple in structure, convenient to operate and free of block-shaped impurities in the cutting process, thereby being environmentally friendly.

The invention provides a sealing element, a door assembly and a clothes treating apparatus; the sealing element is used for sealing space between a first body and a second body and comprises: a sealing part for sealing the second body; and a retaining part connected with the sealing part, the retaining part being configured so that the second body is matched with the sealing part, and that the second body drives the sealing part to move and abut against the retaining part. The sealing element provided by the invention comprises the sealing part and the retaining part; the sealing part is usedfor abutting against the second body so as to play a sealing role; when the second body abuts against the sealing part, the second body can drive the sealing part to move and abut against the retaining part, and the retaining part plays a supporting role so as to limit the further movement of the sealing part and avoid the separation of the sealing part from the second body, so that the sealing reliability and stability of the sealing element are improved. When the second body can rotate relative to the first body, the sealing part abuts against the retaining part under the action of the second body, and the vibration of the first body can be effectively reduced.

The invention discloses an anti-strain abdominal muscle wheel special for fitness beginners. The wheel comprises a grip and a rolling wheel; the rolling wheel is arranged in the middle of the grip androtatably connected with the grip, the grip is provided with a brake device and a counting device, the rolling wheel is provided with a friction ring, and the friction ring and the brake device are arranged at the same side of the rolling wheel and cooperate with each other; the brake device comprises a connecting device, a pressing block and a brake rod, the connecting device is connected with the grip, the brake rod is parallel to the grip, one end of the brake rod cooperates with the connecting device, the end of the brake rod is connected with the pressing block, through the cooperation of the pressing block and the friction ring the counting device and the brake device are arranged at the opposite sides, the end of the grip is provided with a charging port, and the charging port is electrically connected with the counting device.

The invention provides a liquid heating container. The liquid heating container comprises an outer clamping ring, a kettle body of which the bottom end is buckled and mounted in a first end of the outer clamping ring, a bottom disc mounted at the bottom of the kettle body and in the outer clamping ring, and an inner clamping ring located on the side, away from the kettle body, of the bottom disc,wherein one end of the inner clamping ring tightly presses the bottom disc and the other end of the inner clamping ring is buckled with a second end of the outer clamping ring. According to the structure, connection between the kettle body and the bottom disc can be achieved only in a buckling mode, and therefore the connection structure between the kettle body and the bottom disc is simple and easy to machine, the machining difficulty can be reduced, and the machining cost can be reduced. Moreover, the structure can avoid using screws, riveting structures and the like, so that a series of problems caused by exposure of metals such as screws, rivets and the like can be avoided, and the attractiveness of the product is ensured. In addition, the kettle body and the bottom disc are connectedmore tightly, so that the sealing performance of the product can be ensured.

The invention relates to a master slice of a radiator core of an internal combustion engine, particularly to a pierced type master slice of a radiator of an internal combustion engine and a processing method thereof. A plurality of mounting holes which are formed by stretching and piercing are uniformly distributed in the length direction of the master slice, each mounting hole is welded to a high-frequency welded pipe by brazing, and a solder coating is arranged on the cross section of each mounting hole. The processing method comprises the following steps: the master slice is placed on a concave die of a punching machine, one side, which is provided with the solder coating, of the master slice, faces the concave die, and a convex die is used for stretching the master slice, so that the mounting hole part of the master slice extends towards the direction of the concave die until the mounting hole part of the master slice, deformed by stretching, is pierced, and the pierced type mounting holes are formed. The mounting holes in the master slice provided by the invention are formed by stretching and piercing, the linear segments of the mounting holes are lengthened, the matching area of the mounting holes and the high-frequency welded pipe is enlarged, the strength after brazing is good, and the problem of leakage in pipe roots caused by poor welding strength of the radiator after brazing due to limit of the structure of the master slice is solved.

The invention provides a motor positioning and mounting structure, a motor and household appliances. The motor positioning and mounting structure comprises a motor housing and a bracket, wherein one of the motor housing and the bracket is provided with a guide protrusion, a positioning protrusion and a screw hole, and the positioning protrusion is connected with an extended start end of the guideprotrusion. The other of the motor housing and the bracket is provided with a guide groove, a positioning groove, a first through hole and an insertion opening, and the insertion opening, the positioning groove and the guide groove are communicated along the first direction. On the projection in the first direction, the area of the positioning protrusion is larger than the area of the guide protrusion, and the area of the positioning groove is larger than the area of the guide groove. The guide protrusion is inserted into the guide groove, the positioning protrusion is inserted into the positioning groove, and the first bolt is fitted with the screw hole through the first through hole. The setting of pre-positioning structure makes the bolt hole alignment fast and accurate, the machining difficulty is reduced, the machining efficiency is improved, the installation accuracy is improved, and the problem of structural appearance defects is solved.