493results about How to "Compact and reasonable structure" patented technology

The present invention relates to the technical field of wellhead sealing, and is a packing automatic sealing self-tightening system, comprising a left valve core, a right valve core, a first drive assembly, a sealing packing, a second drive assembly and a cross-shaped sealing housing. The present invention has a reasonable and compact structure. When the light rod in the penetration hole is not in the center, the right valve core moves to the left, so that the eccentric light rod can move along the inner wall of the guide groove to the right sealing groove, which has a straightening effect on the eccentric light rod, and then the guide part moves to the right again to seal the guide groove, and finally the outer side of the light rod is in sealing contact with the inner wall of the sealing hole, thereby playing the effect of closing the penetration hole. When the sealing packing on site is punctured, the second drive assembly works and compresses the sealing packing through the compression sleeve, thereby preventing and stopping the sealing packing from continuing to puncture. When the light rod leaks or steam blowout occurs, the penetration hole can be quickly and timely closed by the first drive assembly and the second drive assembly, thereby ensuring the safe operation of the wellhead blowout preventer of the pumping unit and reducing the occurrence of wellhead pollution events.

The invention provides a submarine cable bending limiting structure with a damage early warning device, and particularly relates to the technical field of ocean engineering. The structure wraps the outer surface of a submarine cable to be protected and comprises a plurality of unit limiters which are sequentially connected end to end. Each unit limiter is formed by splicing two limiting single bodies which are internally provided with cable through holes and are symmetrical about the central axis; each limiting single body comprises a female head part, a male head part and a neck locking part; the female head part and the male head part are positioned at two ends of the neck locking part; the outer surface of the female head part is of a semicircular convex surface structure; a semicircular concave surface structure is arranged on the inner surface of the male head part, the concave surface structure of the male head part wraps the convex surface structure of the adjacent female head part, and a gap exists between the concave surface structure and the convex surface structure, so that the female head part can rotate in the male head part; the neck locking part of each limiting single body is provided with an injury early warning device. The submarine cable damage early warning device is compact in structure and convenient to install, the position of the damage limiter can be found in time through the damage early warning device, and possible damage risks of the submarine cable can be found in time.

The utility model relates to a low total length 8M foresight optical lens, which is characterized in that an optical system of the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the fourth lens, the fifth lens and the sixth lens are glass spherical lenses, the third lens and the seventh lens are plastic aspheric lenses, and the fifth lens and the sixth lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the distance between the lenses on the optical axis and the like, the total length of the lens and the radial size of each lens are reduced while the requirements of a front-view wide-angle camera and a front-view narrow-angle camera are replaced by the low-total-length 8M ultra-wide-angle imaging performance of the lens; and the lens group is miniaturized.

The embodiment of the utility model provides a multi-consumable extrusion printing device and 3D printing equipment applying the multi-consumable extrusion printing device. The multi-consumable extrusion printing device comprises a driving assembly, a switching assembly and a plurality of extrusion assemblies. The multiple extrusion assemblies are arranged side by side, each extrusion assembly comprises an extrusion gear set, and the extrusion gear sets are used for extruding consumables in the first direction; the driving assembly comprises a gear driving part, and the gear driving part is constructed to be capable of being meshed with one of the extrusion gear sets; the switching assembly comprises an abutting part, the abutting part is arranged on the sides, away from the gear driving part, of the multiple extrusion assemblies, and the abutting part is configured to abut against one extrusion assembly so that the extrusion gear set corresponding to the extrusion assembly can move in the first direction, and therefore the extrusion gear set can be meshed with the gear driving part.

The utility model relates to an ultra-wide-angle lens suitable for a front binocular camera module. An optical system is composed of a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged along the incident direction of light, and the fourth lens and the fifth lens are glued to form a glued lens group. The imaging angle of the camera lens to an object is larger than 120 degrees, meanwhile, the camera lens has the advantages of being high in imaging definition, large in clear aperture, low in tolerance sensitivity, good in high-temperature and low-temperature stability and the like, meanwhile, scenes in front of a vehicle can be monitored more comprehensively, and through reasonable matching of all the optical lenses, the system is compact and reasonable in structure, and the system is convenient to use. The imaging system is simple in structure, low in cost, easy to assemble, low in tolerance sensitivity and more suitable for large-scale high-yield production, the overall size is reduced, axial chromatic aberration, vertical-axis chromatic aberration and high-order chromatic aberration are corrected, and it is guaranteed that the imaging system can have high imaging quality even at a large angle.

The utility model relates to a high-brightness low-cost DMD welcome lamp lens. An optical system of the lens is composed of a first lens, a second lens, a third lens, a diaphragm, a fourth lens and a fifth lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the third lens and the fourth lens are plastic aspheric lenses, and the fifth lens is a glass spherical lens. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the imaging performance requirement of the lens is met, the total length of the lens and the radial size of each lens are reduced, and the miniaturization of the lens group is realized.

The utility model relates to a welcome lamp lens suitable for a DMD imaging system, an optical system is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens and an eighth lens, the first lens is a meniscus concave negative lens, the second lens is a meniscus concave negative lens, the third lens is a meniscus concave negative lens, and the fourth lens is a meniscus concave negative lens. The fourth lens is a biconvex positive lens, the fifth lens is a meniscus positive lens, the sixth lens is a biconcave negative lens, the seventh lens is a biconvex positive lens, the eighth lens is a biconvex positive lens, the third lens and the fourth lens form a balsaming lens group, and the sixth lens and the seventh lens form a balsaming lens group. The first lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens are all glass spherical lenses, and the second lens is a glass aspheric lens. According to the utility model, the imaging angle of the lens to an object is greater than 110 degrees, and TV Distortion can be ensured while a picture with the width of 45 cm can be projected at a position of 25 cm; 1%.

The utility model relates to the technical field of agricultural machinery, in particular to a straw returning, plastic film residue recycling and round bundling all-in-one machine which comprises a straw smashing assembly, a first conveying auger, a film lifting assembly, a plastic film residue bundling assembly, a machine frame and a driving assembly. The straw smashing device is reasonable and compact in structure, when the straw smashing device is used, the front portion of the machine frame and a tractor are installed together through the traction frame, an output shaft at the rear end of the tractor and an input shaft of the driving assembly are installed in a transmission mode, and straw stubbles are smashed and thrown into the first conveying auger when the straw smashing assembly works. A first conveying auger works to convey smashed straw stubbles to the two sides of a rack, a film lifting assembly lifts out residual films in a stratum during working and then conveys the residual films to a residual film bundling assembly, finally the residual films are wound into a cylindrical shape through the bundling assembly, the residual films can be recycled in a centralized mode, the film lifting assembly can lift out the residual films in the stratum according to fluctuation of the ground, and therefore the residual films can be recycled. And the straw returning, plastic film residue recycling and round bundling all-in-one machine can be conveniently and rapidly transferred on a road through the conveying wheels.

The utility model relates to the technical field of lithium bromide solution purifying devices, in particular to a lithium bromide solution filtering device which comprises a stainless steel cylinder, an upper liquid outlet chamber and a lower liquid inlet chamber which are distributed up and down are arranged in the cylinder, at least two filter elements are fixed on the lower liquid inlet chamber, and the upper portions of the filter elements are communicated with the upper liquid outlet chamber. A vacuumizing opening and a solution outlet are formed in the positions, corresponding to the upper portion of the upper liquid outlet chamber, of the barrel, a solution inlet is formed in the position, corresponding to the middle of the lower liquid inlet chamber, of the barrel, and a drain outlet is formed in the position, corresponding to the bottom of the lower liquid inlet chamber, of the barrel. The lithium bromide solution purification device is reasonable and compact in structure and convenient to use, impurities in a lithium bromide solution are effectively adsorbed and filtered, so that the lithium bromide solution is purified, and the refrigerating effect of a unit is effectively improved; under the state that the solution is not completely discharged, the device achieves the purpose of removing impurities from the solution and filtering the solution during normal operation of a unit, and is simple in structure, flexible to move and capable of being repeatedly used.

A lighter with a light-emitting stick comprises the light-emitting stick which is provided with a lamp tube and used for outputting light; the holding part is detachably connected with the light-emitting rod, and a lighter assembly is arranged in the holding part. The lighting and entertainment effects are achieved through the design of the holding part and the light-emitting rod, meanwhile, the lighter assembly is arranged in the holding part, the ignition function is achieved, the holding part and the lighter assembly are integrated, the lighter shell serves as the holding part, the structure is more compact and reasonable, and carrying is more convenient.

The invention relates to the technical field of unconventional oil and gas well fracturing tools, in particular to an energy-gathered fracturing tool which comprises an outer cylinder, an energy charging pipe, a gas storage tank, a telescopic sealing assembly and a switching assembly, the energy charging pipe is fixedly installed on the inner side of the upper end of the outer cylinder, and the gas storage tank is sleeved with the position, corresponding to the lower portion of the energy charging pipe, of the outer cylinder; a closed air inlet cavity and a closed air storage cavity are formed in the air storage tank in an up-down spaced mode. According to the energy-gathered fracturing tool, repeated energy charging and fracturing can be achieved, the tool does not need to be lifted to a wellhead for energy charging, energy charging of supercritical carbon dioxide can be completed underground, the operation time is saved, the efficiency is improved, the energy-gathered fracturing tool is provided with the telescopic sealing assembly, the space isolation function is achieved, a packer does not need to be put down, and the cost is reduced. The energy-gathering fracturing tool is ingenious in structure, the gas storage cavity can be expanded through transformation, even if underground energy charging cannot be achieved under the well site condition, multiple times of fracturing can be achieved through one-time energy charging, the lifting frequency is reduced, and the cost is effectively reduced.

The utility model relates to a DMD welcome lamp lens with short total length, the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens from left to right along a light incident light path, the lenses are made of glass materials, the first lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are glass spherical lenses, the second lens is a glass aspheric lens, wherein the third lens and the fourth lens, and the fifth lens and the sixth lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the imaging performance requirement of the lens is met, the total length of the lens and the radial size of each lens are reduced, and a 33 mm lens group is formed.

The utility model relates to a large-aperture six-piece type side rear-view camera, and the optical system of the camera comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are provided with focal power along an incident light path, and a diaphragm is arranged between the second lens and the third lens. Wherein the third lens and the fourth lens are closely connected to form a balsaming lens group; the first lens is a biconcave negative lens, the second lens is a biconvex positive lens, the third lens is a biconvex positive lens, the fourth lens is a biconcave negative lens, the fifth lens is a biconvex positive lens, and the sixth lens is a meniscus concave negative lens. The first lens, the second lens, the third lens and the fourth lens are glass spherical lenses, and the fifth lens and the sixth lens are glass aspheric lenses. The imaging angle of an object is larger than 80 degrees, and meanwhile, the camera has the advantages that the imaging definition is 3M, the F number is 1.4, the tolerance sensitivity is low, the high-low temperature stability is good and the like, and scenes behind the side of a vehicle and far away from the vehicle can be monitored more comprehensively.

The utility model relates to the technical field of coated asphalt production, in particular to a reaction kettle for heating high-soft-point coated asphalt, which comprises a kettle cover body, a reaction kettle body, a middle stirring shaft and an auxiliary stirring frame, the middle stirring shaft and the auxiliary stirring frame are mounted in the reaction kettle body, a planetary gear driving device is arranged at the upper end of the kettle cover body, and a driving motor is arranged at the upper end of the planetary gear driving device. And the driving motor is connected with the middle stirring shaft and can drive the middle stirring shaft to rotate. The stirring device is reasonable and compact in structure and convenient to use, the auxiliary stirring frame is driven by the planetary gear driving device to rotate, so that asphalt adhered to the side wall is effectively cleaned by the side scraping plate, and the effect of stirring mixed materials can be achieved; the auxiliary frame stirring blades on the auxiliary stirring frame and the middle shaft stirring blades of the middle stirring shaft are alternately distributed and form differential rotation, so that the stirring effect is effectively improved, materials at the bottom of the reaction kettle body are fully stirred through the lower scraping plate, the materials are prevented from sinking to the bottom, and the reaction kettle has the characteristics of high stirring efficiency, good stirring effect, simplicity, convenience, reliability and high efficiency.

The utility model relates to a low total length 8M foresight main camera. An optical system of the main camera is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the fourth lens, the sixth lens and the seventh lens are glass spherical lenses, the third lens and the fifth lens are plastic aspheric lenses, and the sixth lens and the seventh lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the total length of the lens and the radial size of each lens are reduced while the requirements of a front-view wide-angle camera and a front-view narrow-angle camera are replaced by the low-total-length 8M ultra-wide-angle imaging performance of the lens, and the miniaturization of the lens group is realized.

The utility model provides an underwater robot for bridge detection, which relates to the technical field of bridge detection, and comprises a robot main body, a floating component for providing floating force is arranged at the upper part of the robot main body; the propeller set comprises two side propellers and two tail propellers, the two side propellers are located on the front face of the robot body, and the two tail propellers are located at the same end of the buoyancy assembly and symmetrically arranged front and back; and the two symmetrical walking mechanisms are arranged on the robot main body through mounting structural members. The beneficial effects of the utility model are that through the reasonable layout of the propeller group and the cooperative work of the propellers at the two sides and the tail part, accurate water surface positioning and movement are realized, and the robot is ensured to smoothly approach and fit a pile foundation from the water surface; the posture of the whole machine does not need to be adjusted when the pile foundation is close to the pile foundation, and the pile foundation can be directly adsorbed and attached through the propellers on the two sides; a tensioning mechanism in the walking mechanism has self-adaptability, and an elastic support is matched with a connecting frame connected in a sliding mode.

The utility model relates to the technical field of water turbines, and discloses a high power generation efficiency water turbine which comprises an equipment box body and a power generation water tank arranged at the bottom of the equipment box body, a water wheel power generation assembly is arranged at the bottom in the power generation water tank, and an acceleration mechanism is arranged in an inner cavity of the equipment box body. The acceleration mechanism comprises an acceleration rotating rod rotationally connected with the middle of the top wall face of an inner cavity of the equipment box body and an acceleration spiral strip fixedly installed on the outer wall face of the acceleration rotating rod, the left end of the top wall face of the equipment box body is fixedly sleeved with a water inlet pipeline, and a driving groove is formed in the bottom of the rear end of the water inlet pipeline. And a driving mechanism for driving the acceleration rotating rod to rotate is arranged in the driving groove. By arranging the acceleration mechanism and the driving mechanism, the device utilizes gravitational potential energy of water flow to drive the acceleration spiral strip to rotate through the driving mechanism to accelerate water, the power generation efficiency of the device is improved, the use cost of the device is reduced, and the practicability of the device is improved.

The invention discloses a star soil conveying, heating and extracting device which comprises a sealing driving module, a station conversion module and a frame module, the frame module comprises a frame, a hearth and a hopper, and the station conversion module comprises a station conversion driving assembly, a U-shaped frame assembly and a sample assembly. The sample assembly comprises a sample seat, a sample support connected with the sample seat and an end face sealing assembly, a heating piece and a temperature sensor are integrated on the sample support, and the sample support horizontally moves in the frame and is provided with a right end sample receiving position, a left end sealing position and a rotating position located in the middle; the sample holder extends into the hearth when being located at the sealing position, the end face sealing assembly is matched with the hearth in a sealing mode, in the sealing position, a heating piece in the sample holder heats a sample according to set control conditions, and volatile components in the sample are conveyed to external detection equipment through a pipeline. The device is reasonable and compact in structure, has a sample discarding function and can continuously work without stop.

The utility model provides a variable-pitch truss gripper which comprises a rack, a transfer mechanism arranged on the rack and at least one group of gripping mechanisms, each group of gripping mechanism is connected to the transfer mechanism through a gripping support, and the transfer mechanism can drive all the gripping mechanisms to linearly move on the rack; the grabbing mechanism is used for grabbing materials and comprises a lifting air cylinder, the lifting air cylinder is connected to a grabbing support, a push rod of the lifting air cylinder is downwards connected with a lifting connecting plate, a first guide column and a second guide column are arranged on the left side and the right side of the lifting air cylinder respectively, the upper ends of the first guide column and the second guide column are connected with the grabbing support, and the lower ends of the second guide column are fixedly connected with the lifting connecting plate. The distance adjusting assembly is arranged below the lifting connecting plate, at least one suction cup assembly is connected with the distance adjusting assembly, the distance adjusting assembly drives the suction cup assembly connected with the distance adjusting assembly to move, and the distance between the suction cup assemblies is adjusted. And the distance between the suction cups is adjusted through the distance adjusting assembly, so that materials of different sizes are grabbed.

The heat dissipation device comprises a circuit board, a water cooling plate, a memory heat dissipation assembly and a plurality of water conveying pipes, and the circuit board is provided with a CPU installation position and a memory bank installation position; the water cooling plate is fixed to the circuit board and located at the top of the CPU installation position, and a first water flowing cavity is formed in the water cooling plate. The memory heat dissipation assembly comprises two heat dissipation frames and a heat conduction piece, the two heat dissipation frames are fixed to the circuit board and located on the two opposite sides of the memory bank installation position respectively, a second water flowing cavity is formed in each heat dissipation frame, one end of the heat conduction piece is detachably fixed to one heat dissipation frame, and the other end of the heat conduction piece is detachably fixed to the other heat dissipation frame; the heat-conducting fins are used for exchanging heat with the memory banks mounted on the memory bank mounting positions and the two heat dissipation racks; the multiple water conveying pipes are used for communicating the first water flowing cavity with the two second water flowing cavities so as to form a water flowing channel. According to the technical scheme, efficient water-cooling heat dissipation of the CPU and the memory bank can be achieved at the same time.

The invention relates to the technical field of electrified dust removal of electrical equipment, in particular to an electrified dust removal device which comprises a telescopic rod, a cleaning motor, a mounting shell, a cleaning head, a mandrel and a cleaning brush, and the right side of the mounting shell and the upper portion of the telescopic rod are detachably and fixedly mounted together. The electric equipment cleaning device is reasonable and compact in structure, by arranging the sun gear and the planet gear, when the cleaning motor works, the multiple rotating shafts can be driven to rotate through the mandrel, so that the multiple cleaning brushes are driven to rotate, when the cleaning brushes rotate, bristles can be driven to rotate on the surface of the electric equipment, and when the brushes rotate, cleaning of dirt on the surface of the electric equipment can be accelerated; by arranging the telescopic rod, the height of the mounting shell can be adjusted, so that electrical equipment with different heights can be cleaned, the operation is more convenient, the right side of the mounting shell and the upper part of the telescopic rod are detachably and fixedly mounted together, the mounting shell and the telescopic rod are convenient to disassemble, and the practicability is high. And after disassembly, the mounting shell and the telescopic rod are convenient to transport and store.

The present invention relates to the technical field of oil production engineering, and is a wellhead blowout prevention device, comprising a blowout prevention housing, a left valve core, a right valve core and a driving assembly, wherein the upper end of the blowout prevention housing is provided with an installation through hole for inserting a light rod. The present invention has a reasonable and compact structure, and when the light rod in the installation through hole is not in the center, the right valve core moves to the left, so that the eccentric light rod can move along the inner wall of the guide groove to the right sealing groove, which can play a straightening effect on the eccentric light rod, and then the guide part moves to the right again to seal and contact with the guide groove, and finally the left sealing groove, the guide part and the right sealing groove are close to each other to form a cylindrical sealing hole that passes through from top to bottom, and the outer side of the light rod is in sealing contact with the inner wall of the sealing hole, thereby playing the effect of closing the installation through hole, and when the light rod leaks or a steam blowout occurs, the installation through hole can be quickly and timely closed by the driving assembly, thereby ensuring the safe operation of the wellhead blowout preventer of the pumping unit and reducing the occurrence of wellhead pollution incidents.

The invention relates to the technical field of centralizers, in particular to a logging-while-drilling tool anti-disengaging damping centralizing device and a using method, the logging-while-drilling tool anti-disengaging damping centralizing device comprises at least two centralizing damping short sections, and each centralizing damping short section comprises an outer sleeve, a centralizing damping part and a fastening adjusting part. The fishing device is reasonable and compact in structure and convenient to use, the logging-while-drilling instrument string can be fixedly installed in the middle of the inner side of the centralizing and damping short section through the centralizing and damping part, the fastening and adjusting part and the stop part, and when underground complexity and drilling tool jamming occur, the fishing device and the upper end of the logging-while-drilling instrument string are clamped and fixed together, and the centralizing and damping short section is fixed to the centralizing and damping short section. When a well logging while drilling instrument string is fished out of a well, the well logging while drilling instrument string can be separated from the centralizing and damping part by dragging the fisher upwards, penetrates through the inner side of a small water hole of the accident handling tool upwards and is fished out of the well quickly, and then underground complex and drill jamming accidents are handled through the accident handling tool, so that the fishing operation efficiency of the well logging while drilling instrument string is effectively improved; and the logging while drilling instrument string is prevented from being buried underground to cause heavy property loss.

The invention discloses lead-acid storage battery plate wrapping equipment which comprises a wrapping rack, a positive plate feeding frame is fixedly mounted at one end of one side of the wrapping rack, a negative plate feeding frame is fixedly mounted at the other end of one side of the wrapping rack, and a feeding mechanism is fixedly mounted between the positive plate feeding frame and the negative plate feeding frame. A product conveying assembly is fixedly installed at one end of the wrapping machine frame, and a product overturning and positioning assembly is installed on one side of the product conveying assembly. By arranging the material stacking assembly, the equipment is of a double-channel design, and small and dense batteries can be produced and manufactured through a single wrapping process; according to the equipment, positive pole pieces in the positive pole feeding frame and negative pole pieces in the negative pole feeding frame are conveyed to the stacking assembly through the feeding mechanism to be stacked, the partition plate paper discharging assembly discharges partition plate paper, the film wrapping assembly and the shifting fork assembly sequentially machine the partition plate paper, and then the partition plate paper is output through the product conveying assembly. And the structure is compact and reasonable.

The invention provides an oil-water separation experiment system with efficient electricity, magnetism and ultrasonic synergistic effect. The system comprises an electric field generation system, a magnetic field excitation system, an ultrasonic generation system and a test sample tank, the electric field generation system is configured to enable the test sample groove to be located in an electric field generated by the electric field generation system; the magnetic field excitation system is configured to enable the test sample groove to be located in a magnetic field generated by the magnetic field excitation system; the ultrasonic generation system is configured to enable the test sample tank to be located in an ultrasonic field generated by the ultrasonic generation system; the magnetic field excitation system and the ultrasonic generation system independently rotate at any angle by taking the body center of the test sample groove as the center. The method is used for rapidly and accurately evaluating the oil-water separation characteristics of the crude oil emulsion under the synergistic effect of an electric field, a magnetic field and ultrasonic waves by simultaneously changing electric field parameters, magnetic field parameters, sound field parameters, synergistic conditions and oil-water physicochemical properties.

The utility model relates to the technical field of surface manifolds, in particular to a rotary multi-diameter adjustable oil nozzle device, which comprises a main valve body, a valve cover, a valve rod, a valve core and a rod sealing component, a valve cavity with a rightward opening is arranged on the right side of the main valve body, a liquid inlet hole capable of being communicated with the valve cavity is arranged on the left side of the main valve body, and a liquid outlet hole capable of being communicated with the valve cavity is arranged on the upper side of the main valve body; a liquid inlet cavity with a leftward opening is formed in the left side of the valve element corresponding to the position of the liquid inlet hole, and at least two oil nozzle mounting holes with the inner ends communicated with the liquid inlet cavity are formed in the outer side of the middle of the valve element corresponding to the position of the liquid outlet hole at intervals along the circumference. The utility model has a reasonable and compact structure, is convenient to use, and enables the valve cores provided with oil nozzles with different specifications to respectively correspond to the positions of the liquid outlets by rotating the valve rod; by arranging the rod sealing assembly, liquid or gas is prevented from leaking and overflowing from the right end of the main valve body, and the characteristics of stability, high efficiency and rapidness are achieved.

The invention relates to an automobile armrest skin coating PU foaming integrated mold which comprises an upper mold and a lower mold, the upper mold is provided with a PU foaming material injection nozzle, a floating mold is installed in the middle of the lower mold, a plurality of edge covering block assemblies are installed on the periphery of the upper face of the lower mold, and a plurality of hanging needles are further installed on the periphery of the upper face of the lower mold. The automobile armrest comprises a skin and a framework, a plurality of hole grooves are formed in the peripheral edge of the framework, the framework is adsorbed and fixed below the upper die, the periphery of the skin is hooked on the lower die through hanging needles, and the skin is adsorbed on the floating die. The mold has the advantages that the floating mold is designed in the middle of the lower mold to enable the skin to be folded upwards along the periphery of the framework, the periphery of the skin can be pressed on the outer side of the periphery of the framework in cooperation with the edge covering block, the injection holes are reserved in the middle of the framework to ensure that PU foaming materials are injected, and the PU foaming materials penetrate through the hole grooves in the periphery of the framework to make contact with the skin; and curing and bonding are formed after subsequent curing, so that integral forming of skin-coated PU foaming is realized, working procedures are saved, and efficiency is improved.

The utility model provides a fireproof injection molding busbar which comprises a conductor layer, a support clip assembly and a fireproof insulation layer. Supporting clip assembly holes are formed in the conductor layer main body at intervals along the length direction; each supporting clip assembly is assembled and mounted in the corresponding supporting clip assembly hole; and the fire-resistant insulating layer is coated outside the conductor layer main body and the support clip assembly in an injection molding manner. According to the fire-resistant injection molding busbar provided by the utility model, firstly, the conductor is formed by stamping, bending and other processes, then the supporting clip is assembled at a specified position of the conductor, and finally, the fire-resistant injection molding busbar with good fire resistance and insulativity is obtained through injection molding, so that the safety performance of the busbar and a battery pack is greatly improved, and the service life of the busbar is prolonged. A powerful guarantee is provided for the safety of the whole vehicle; and the production process is simple, the processing precision is easy to control, multi-dimensional forming can be realized, the structure is reasonable and compact, and the appearance is attractive and elegant.

The utility model relates to the technical field of optical lenses, and discloses an adjustable optical lens, which comprises a fixed frame body, a fixed block arranged in the fixed frame body, and fixed assemblies arranged at the left end and the right end of the fixed block, a first rotating shaft rod and a second rotating shaft rod which are fixedly connected with the upper end and the lower end of the fixing block are rotationally connected to the middles of the upper side wall face and the lower side wall face of an inner cavity of the fixing frame body correspondingly, and an adjusting mechanism for driving the fixing block to rotate is arranged in the middle of the inner side of the top end of the fixing frame body; a supporting mechanism is arranged on the second rotating shaft rod and comprises a supporting rotating plate fixedly connected with the middle of the front end of the second rotating shaft rod and a supporting frame fixedly installed at the front end of the top wall face of the supporting rotating plate. According to the utility model, through the arrangement of the adjusting mechanism and the supporting mechanism, the stable angle adjusting function and the stable supporting function of the equipment on the optical lens are realized, and the practicability of the equipment is improved.

The utility model relates to the technical field of steam utilization of hydrogen chloride synthetic furnaces, in particular to a device for improving steam yield and reducing discharge, which comprises a hydrogen chloride synthetic furnace, a steam flash tank, a sewage sampling cooler and a water collecting tank. The hydrogen chloride synthetic furnace is communicated with a hydrogen chloride inlet pipeline, a chlorine inlet pipeline, a hydrogen inlet pipeline, a steam conveying pipeline, a hot water pipeline and a pure water inlet pipeline, the steam flash tank is communicated with a medium-pressure steam output pipeline, and a condensate pipeline is communicated between the steam flash tank and the pollution discharge sampling cooler; a sewage collection pipeline is communicated between the sewage discharge sampling cooler and the water collection tank, a three-way valve is mounted on the medium-pressure steam output pipeline, and an upper port of the three-way valve is communicated with a low-pressure steam output pipeline. The device is reasonable and compact in structure and convenient to use, improves the yield of the byproduct steam of the hydrogen chloride synthesis furnace, reduces the production cost and the adverse effect of steam discharge on the field environment and personnel inspection, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.