77results about How to "Reduce connection parts" patented technology

The invention discloses a moveable chemical mixer. The chemical mixer comprises a drug bag, a shrinkage section, an expansion section, a leaking screen and a spiral organ; the spiral shrinkage section is in threaded connection with the expansion section, and the leaking screen is adaptively connected with the shrinkage section and the expansion section; the spiral organ is arranged in the expansion section and in threaded connection with the expansion section; both ends of the drug bag are in threaded connection with the shrinkage section and the expansion section. By adopting the chemical mixer, pesticide is integrated to the mixer, so that the online mixing is realized, the mechanical structure is simplified, flowing path of the pesticide is greatly reduced, pesticide pollution to agricultural implements are reduced, and environment is protected; besides, the mixing efficiency of the chemical mixer is improved.

The invention discloses a sealed undercarriage control handle with locking and unlocking functions. The sealed undercarriage control handle comprises a handle operating component, a transient dynamic mechanism and a locking and unlocking component, and is characterized in that the handle operating component comprises a handle (2), a clamping plate (25) and a cam (33); the clamping plate (25) is fixedly mounted on a mounting plate (14); the handle (2) is rotatably connected with the clamping plate (25); the cam (33) is mounted at the lower end of the handle (2) and is rotationally matched with the mounting plate (14) and a bushing (26); the transient dynamic mechanism comprises a pillar (36), a piston (13), a guide cylinder (11) and a swing plate (9); the pillar (36) is mounted at the lower end of the handle (2) and is rotationally matched with the piston (13); the piston (13) is matched with the guide cylinder (11) in a sliding manner; the swing plate (9) is rotatably mounted at the tail end of the guide cylinder (11); and a leaf spring (24) and a microswitch (23) are fixed on the mounting plate (14). The sealed undercarriage control handle is reliable in performance, is safe and practical, and is suitable for being popularized and applied in handle locking and unlocking operations of aircrafts.

The invention relates to a distributor of compressed natural gas. The distributor (10) is a hollow shape. A plurality of interfaces (11) connected with gas cylinders (2) are evenly distributed on the distributor (10) and an access (12) connecting a cavity (14) with an intake pipeline (21) and an exhaust pipeline (22) is also arranged on the distributor (10). An integrated hand stop valve type over-current protective valve (20) is installed at the external port of the access (12). An air charging system like the distributor can inflate each gas cylinder (2) separately with good inflation effect, quick speed, low cost and being relatively safe.

The invention relates to a circular helical-line radio-frequency lightning protection method and a lightning protection device. Coaxial transmission lines are arranged inside outer conductor shells of the lightning protection device, and the coaxial transmission lines are supported by insulation media on the middle parts inside the outer conductor shells to form coaxial structures with outer conductors; the middle of the coaxial transmission lines are serially connected with a conical compensation transmission coaxial line and a helical line-type short-circuit wire; gas discharging pipes are arranged between the helical line-type short-circuit wire and an input-end outer conductor to separate the helical line-typed short-circuit wire from the input-end outer conductor, and the conical compensation transmission coaxial line, the helical line-typed short-circuit wire and the gas discharging pipes form a feeding and lightning protection circuit; and the lightning protection can be realized through the lightning protection circuit with the feeding function. A plurality of radio-frequency systems can be simultaneously covered, and the normal work of third-generation (3G) radio-frequency receiving-transmitting system such as global system for mobile communication (GSM), code division multiple access (CDMA), time division-synchronous code division multiple access (TD-CDMA) and the like can be guaranteed; and at the same time, the short-circuit wire adopts a helical-line structure, the compensation coaxial wire adopts the conical design, and the input-end outer conductor and an output-end outer conductor are in a circular structure, so the size of the product is small, the product is simple and convenient to connect, the contact resistance is effectively reduced, and the transmission performance of the product is improved.

The invention discloses an integrated oxygen supply valve. A valve body, a valve cover, a filling module, a flow adjusting module and a pulse oxygen supply module are included, wherein the filling module, the flow adjusting module and the pulse oxygen supply module are arranged on the valve body and the valve cover. Oxygen in a gas tank is output by the pulse oxygen supply module after passing through the filling module and the flow adjusting module. The pulse oxygen supply module comprises a gas inlet unit, a gas outlet unit and a gas suction unit. The gas inlet unit comprises a sixth gas wayand a seventh gas way which conduct gas inflow from the same gas inlet source. The gas outlet unit comprises a gas outlet outer connector arranged on the valve body, a gas outlet valve plate and a gas outlet cavity. The gas suction unit comprises a gas suction outer connector arranged on the valve cover, a gas suction valve plate and a gas suction cavity, the gas suction valve plate is provided with a gas inlet protruding nozzle communicating with the gas outlet cavity, and a gas inlet membrane for opening and closing the gas inlet protruding nozzle is arranged above the gas inlet protrudingnozzle. An integrated mechanical structure is adopted in the valve, filling operation and usage are simple and convenient, the different-flow requirements can be met, and different-breathing-manner requirements can be met as well.

The invention discloses a multifunctional spectacle frame which comprises a spectacle frame, spectacle legs and rotary shafts. Each spectacle leg comprises a first body, a second body, a third body and a bending part; each third body is rotatably connected with the bending part through the corresponding rotary shaft; a third holding cavity and a third groove with an inclined opening are arranged on each third body; each bending part comprises a rotary part located in each third groove, a connecting part, and a third main body matched with each third groove; a spring is arranged in each third holding cavity; an arc-shaped clamping bulge is connected onto each spring; a positioning groove matched with each arc-shaped clamping bulge is arranged on each rotary part; a second holding cavity isarranged in each second body; a small telescopic rod is arranged on each third body; each second body sleeves on the outer part of each small telescopic rod; each small telescopic rod stretches out and draws back through a bolt; each bolt is located on the side edge of a small second body. The multifunctional spectacle frame has the characteristics that the length of each spectacle leg and the angle of each bending part can be adjusted so as to adapt to a wearer in a human friendly manner, and the first holding tank for placing bolts is arranged, so that the efficiency is improved.

The invention discloses a gas cylinder type pressure-stabilizing dual-mode oxygen supply device. The gas cylinder type pressure-stabilizing dual-mode oxygen supply device comprises a gas cylinder, a nasal oxygen tube and an integrated valve mounted on the gas cylinder, wherein a nasal suction joint on the nasal oxygen tube is inserted into a nasal cavity of a user; a gas outlet outer joint and a gas suction outer joint of the integrated valve are connected with a gas inlet of the nasal oxygen tube; the integrated valve comprises a valve body, a valve cover, a filling module, a flow regulatingmodule and a pulse oxygen supply module, wherein the filling module, the flow regulating module and the pulse oxygen supply module are mounted on the valve body and the valve cover; oxygen in the gascylinder passes through the filling module and the flow regulating module and then is output by the pulse oxygen supply module; the pulse oxygen supply module comprises a gas inlet unit, a gas outletunit and a gas suction unit; and the gas inlet unit comprises a sixth gas channel and a seventh gas channel which are used for feeding gas through the same gas inlet source. According to the gas cylinder type pressure-stabilizing dual-mode oxygen supply device, all mechanical parts are adopted to realize continuous and pulse dual-mode oxygen supply, and a pressure stabilizing module and the filling module are integrated inside, so that the device structure and gas guide tube connection are simplified, and therefore, use of the user is convenient.

The invention discloses a Fen-flavor liquor fermentation device, which relates to the field of liquor processing. The Fen-flavor liquor fermentation device specifically comprises a fermentation barrel, wherein the top end of the fermentation barrel is fixedly provided with a feeding tube communicated with the fermentation barrel, and the middle portion of the feeding tube is provided with a screwrod with the lower end extending into the fermentation barrel and also provided with a feeding tray matched with the screw rod in a threading manner; the lower end of the screw rod is fixedly providedwith an electromagnet, the bottom of the feeding tray is provided with a permanent magnet, and the lower end of the feeding tube is provided with a touch switch electrically connected with the electromagnet; a dispensing pipe is arranged outside the feeding tube, a dispensing passage communicated with the fermentation barrel is formed between the dispensing pipe and the feeding tube, and the dispensing passage is a venturi tube; the upper portion of the fermentation barrel is provided with a yeast storage box, a red aspergillus storage box and a warm water box which are respectively providedwith a pipeline I, a pipeline II and a pipeline III for communicating each storage box and the middle portion of the dispensing passage; and the upper end of the dispensing passage is provided with asupercharging fan connected with the feeding tube in a rotating manner, and when the feeding tray rotates, the supercharging fan is driven to rotate. The device can automatically dispense rice to be fermented.

The invention belongs to the technical field of reversing valves, and particularly relates to an integrated electric four-way reversing valve. The integrated electric four-way reversing valve comprises a motor, a transmission device, a valve body, a first rotation valve element and a second rotation valve element. The motor drives the first rotation valve element and the second rotation valve element to synchronously rotate through the transmission device. A first runner, a second runner, a third runner and a fourth runner are arranged in the valve body. The first runner is provided with a first circulation hole, the second runner is provided with a second circulation hole, the third runner is provided with a third circulation hole, and the fourth runner is provided with a fourth circulation hole. The first rotation valve element can rotate back and forth between the first position where the first circulation hole is blocked and the third position where the third circulation hole is blocked, and the second rotation valve element can rotate back and forth between the second position where the second circulation hole is blocked and the fourth position where the fourth circulation hole is blocked. The integrated electric four-way reversing valve is high in integration level, assembling is simple, and few leakage points exist.

The invention provides a battery box body and an automobile with the battery box body. The battery box body comprises multiple box body units, wherein the multiple box body units are arranged in sequence; each box body unit is formed by arranging one bottom plate and multiple side plates in a surrounding manner; the multiple side plates comprise one connecting side plate and multiple fence side plates; the connecting side plates between adjacent box body units are abutted; moreover, the bottom plates, the connecting side plates and the contiguous fence plates of the adjacent box body units areall connected; the connecting side plate of each box body unit is provided with a wiring passage. The battery box body provided by the invention is formed by splicing the multiple box body units; during assembly, the adjacent box body units only need to be connected; the assembly is simple and the realization is easy; in addition, as connecting parts of the battery box body provided by the invention are less, the integral strength of the battery box body is enhanced. In addition, a mold is simple; the expense of the mold is low; the batch production is convenient and the production efficiencyof a battery pack box body can be obviously improved.

The invention relates to a separated bracket node structure for steel structure beam column connection, a manufacturing method and a residential structure system. The node structure comprises steel columns and a steel girder, wherein the end part of the steel column is provided with a flange plate base; a separated bracket wing edge plate is arranged in a position, with the preset length from theflange plate base, on the outer side wall of the steel column; the adjacent upper and lower steel columns are connected through high-intensity screw bolts; the upper and lower wing edges of the steelcolumns are fixedly connected with the flange plate bases at the end parts of the upper and lower steel columns through high-intensity screw bolts. The mode structure has the advantages that the fieldbutt joint penetration welding at bolting and welding connection node wing edges and column connection parts is omitted; the full screw bolt assembly in construction sites is realized; meanwhile, compared with a traditional full screw bolt connection node, the node structure omits screw bolts in beam web plate positions. A laying lap joint mode in the wing edge position is used; the beam construction in-position and screw bolt connection is convenient; the construction speed is accelerated.

The invention discloses a manufacturing method of an anti-collision beam. The manufacturing method comprises the following steps that S1, a natural wood board is prepared; S2, lignin and hemicellulose in the wood board are cleaned to form the wood board with a plurality of pore channels; S3, the wood board is put into shear thickening liquid, and the shear thickening liquid penetrates through all the pore channels to be immersed into the wood board and attached to the wood board; S4, the wood board is compacted; and S5, a sealing layer is arranged on the end face of the wood board for end sealing. According to the manufacturing method, the wood board is filled with the shear thickening liquid to form the anti-collision beam, the anti-collision beam can fully absorb energy generated by collision, the safety performance of a vehicle is improved, and the damage to personnel caused by collision is effectively reduced, and the anti-collision beam belongs to the technical field of automobile anti-collision structures.

The invention discloses a device and method for verifying oil resistance of a rubber seal ring. The device comprises a base, a supporting rod, a detection clamping plate, clamping plates, the to-be-tested rubber ring, a spiral pipe and an oil tank. The supporting rod penetrates through the oil tank, the spiral pipe heats liquid in the oil tank, and the to-be-tested rubber ring is connected with the perforated end of the oil tank and is adjusted through a screw rod and a nut. The device has the advantages that the structure is simple, the number of connecting parts is small, and the device canbe operated and used in a standard laboratory or a production site; the number of rubber seal ring performance evaluation and verification parameters is large, and by adjusting the nut, the spiral pipe and a booster pump and injecting different kinds of oil liquid, the compression amount, temperature and pressure of the rubber seal ring and the influence of the sealing oil liquid on the sealing performance of the rubber ring are evaluated and verified; the sealing performance of the rubber ring in the actual use process is objectively represented, so that a quantifiable sealing property representation device is provided for batch quality assessment of the rubber ring and analysis of the oil leakage amount of failure parts.

The invention discloses a propeller blade root and a connecting structure of a propeller blade root and a propeller hub. The head of a blade handle is a cylinder with a larger diameter, a circular truncated cone with a smaller diameter, a cylinder with a smallest diameter, a circular truncated cone with a larger diameter, a transition cambered surface and a cylinder with a largest diameter are sequentially arranged behind the blade handle, the cylinder with the larger diameter is provided with an external thread and a key groove, and a conical groove is formed in the center of the end face ofthe other end of the blade handle; and a connecting through hole is formed in the circular truncated cone with the increased diameter along the radial direction of the blade handle. An accommodating hole for the head of the propeller root is formed in the outer end surface of the stop block in the propeller root mounting hole; a propeller hub inner sleeve and a thrust bearing inner sleeve are pressed and fixed together; the propeller root penetrates through an inner hole of the propeller hub inner sleeve, and the head of the propeller root is locked and fixed to the inner end wall of the propeller hub inner sleeve through a locking piece and a nut I; and a bolt penetrates through the fixing hole of the propeller hub inner sleeve and the bolt connecting hole of the propeller root and is locked and fixed by a nut II. The propeller root is simple in structure, small in diameter, high in strength, simple in connection structure with the propeller hub, fewer in connection parts and high inconnection strength, and the manufactured propeller is small in size, light in weight and high in strength.

The invention relates to an automobile sunroof, in particular to a rear tilting mechanism moving assembly for an automobile sunroof; the rear tilting mechanism moving assembly comprises a slide rail, a rear tilting mechanism, a driving slider and a flexible shaft, the rear of the driving slider is provided with a rear slide groove, a motor drives the flexible shaft to slide in the slide rail, and the flexible shaft drives the driving slider to slide along in the slide rail; the rear of the driving slider is provided with a front slide groove, and the rear tilting mechanism is arranged in the rear slide groove; when front glass tilts at the rear and slides to open, the rear tilting mechanism only needs to slide in the corresponding slide groove in the driving slider and does not need slide in a slide groove of the slide rail by a long distance, so that abrasion of a corresponding fulcrum of a front tilting mechanism is decreased, and moving is more stable and reliable. The rear tilting mechanism moving assembly is simple in structure and has few connection parts, a sunroof moving mechanism is simplified, manufacture and assembly periods of a sunroof are shortened greatly, and the cost is lowered.