49results about How to "Realize fixed limit" patented technology

The invention provides a lamp bar fixed structure, backlight module and displayer to position with a backboard and fix for a lamp bar, which includes the lamp bar and the backboard. The lamp bar is provided with several pre-determined bit holes and at least a spacing location hole. The backboard is convexly provided with several hangers to connect with corresponding pre-determined bit holes and at least a locating dowel is fixedly connected with the spacing location hole. The size of hangers is smaller than that of pre-determined bit holes. Hangers include: a connecting portion protrudes from the backboard, a nip portion is located at the top of the connecting portion, and the gap is formed between the backboard upper surface. The lamp bar is sleeved into hangers by pre-determined bit holes and the lamp bar is snapped in the gap so as to closely contact with the backboard. The lamp bar fixed structure, backlight module and displayer fix the lamp bar on the backboard without supplies such as screw or double faced adhesive tapes and solve problems of assembling the lamp bar with trivial details. The lamp bar fixed structure, backlight module and displayer also have the advantage of simplifying assembling procedure, saving man-hour and reducing the cost of backlight module.

The invention discloses a self-heating floor and a self-heating floor system thereof. The self-heating floor comprises a bottom plate, a top plate, heating cables and an even umber of electric connectors, wherein the bottom plate and the top plate are overlapped and adhered; the heating cables are arranged between the bottom plate and the top plate in a coiling manner; the electric connectors areelectrically connected to the heating cables, and each electric connector comprises a male terminal, a female terminal, and an electric cable for connecting each male terminal and the corresponding female terminal; first storing grooves and second storing grooves are formed in the surface, facing the top plate, of the bottom plate; at least part of each first storing groove is used for storing thecorresponding heating cable, and at least part of each second storing groove is used for storing the corresponding electric connector; first expanding concaving parts and second expanding concaving parts are correspondingly formed at two ends of the second storing grooves; at least part of each first expanding concaving part and at least part of each second expanding concaving part are used for storing terminals at two end parts of the electric connectors. According to the self-heating floor, the modular production and assembling can be realized, so that the paving efficiency is improved; andmoreover, the defects of unstable quality, entering of water vapor and high potential risk caused by separating of the male and female terminals due to the deformation under force in the use processcan be avoided.

The invention discloses a high-stability shelf used on a ship. Vibration-reducing mechanisms and first fixing structures are arranged on a shelf body; each vibration-reducing mechanism comprises an upper top plate, a lower bottom plate, support plates and vibration-reducing springs; the first fixing structures are fixedly arranged at the tops of storage plates; each first fixing structure comprises two tension springs and a position-limiting plate; each storage plate is also provided with a second fixing structure which comprises an elastic-string storage chamber, a rotating shaft, a pluralityof elastic strings, a plurality of elastic-string locking rings and bearings; and the side, of each rotating shaft, extending out, is provided with a locking mechanism which comprises sliding grooves, a sliding locking block and a locking chamber. A vibration-reducing structure is designed specially, and through the plurality of vibration-reducing springs, the vibration-reducing structure can well mitigate the jolting and vibration of the ship, caused by ocean waves, so that the stability is high, the possibility of shaking is reduced, and the safety performance is improved; and the special first fixing structures and the second fixing structures are adopted to achieve the fixing and position limiting of a cargo tank by two-step operation, so that the service efficiency is high.

The invention discloses a fuel cell stack, a fuel cell and a vehicle. The fuel cell stack comprises at least four pull rods and insulating rods with the same number as the pull rods; the at least four pull rods are distributed on the four side surfaces of the fuel cell stack; each pull rod comprises a pull rod body and connecting parts located at the two ends of the pull rod body; the pull rods are connected with the side surface of a gas inflow end plate and the side surface of a blind end sealing plate of the fuel cell stack through the connecting parts; the side surfaces of the gas inflow end plate and the blind end sealing plate are respectively provided with sinking grooves for accommodating the connecting parts, and the connecting parts are connected with the sinking grooves; the insulating rods are arranged between the stack core of the fuel cell stack and the pull rod main bodies, and two ends of each insulating rod are respectively in contact with the gas inflow end insulating plate and blind end insulating plate of the fuel cell stack. According to the fuel cell stack, the area of the end plate does not need to be enlarged during insulation and fastening in the packaging direction of the fuel cell stack through side surface connection and the arrangement of the sinking grooves, the size of the fuel cell stack is effectively reduced, and the volume power density is favorably improved.

The invention relates to the technical field of infant hairdressing, in particular to a flexible and adjustable one-full-year infant hairdressing auxiliary device, and aims to solve the technical problem that a baby easily swings the head when in hairdressing, and consequently, ears are injured. In order to solve the technical problem, the flexible and adjustable one-full-year infant hairdressingauxiliary device comprises a height limiting mechanism, the top of the height limiting mechanism is fixedly connected with a fixing rod, the top of the fixing rod is fixedly connected with a bent rod,the top of the bent rod is fixedly connected with a head supporting mechanism, the bottom of the height limiting mechanism is fixedly connected with a mounting block, and a through mounting groove isformed in the middle of the side face of the mounting block. By the aid of the height limiting mechanism and the head supporting mechanism, the head of the baby can be supported, the swing amplitudeof the head is decreased, the ears of the baby cannot be injured in hairdressing, and excellent prevention functions are achieved.

The invention discloses a battery mounting and fixing structure for a battery box of a new energy automobile. The structure comprises a box body, and first cavities are formed in the side walls of thefront end and the rear end of the box body. A second cavity communicated with the two first cavities is formed in the side wall of the right end of the box body; a plurality of fixed pulleys are arranged on the inner wall of the first cavities; fixing mechanisms are arranged at the bottom of the first cavities; the fixed ends of the fixing mechanisms penetrate through the top surfaces of the first cavities and extend to the outside of the first cavities; and a plurality of first elastic assemblies are fixedly connected between the fixing mechanisms and the inner walls of the first cavities. Acontrol mechanism is rotatably arranged on the side wall of the second cavity in a penetrating mode, the control end of the control mechanism sequentially penetrates through the fixed pulleys in a sliding mode and is fixedly connected with the fixing mechanisms, a positioning mechanism movably connected with the control mechanism is arranged on the side wall of the box body, and a pneumatic control mechanism is fixedly connected to the side wall of the box body below the control mechanism. According to the invention, the battery is convenient to mount and dismount, and the anti-collision performance and the heat dissipation performance of the battery can be effectively improved.

The invention belongs to the field of nursery stock seedling raising, and in particular relates to a manual movable plug tray device for melon and fruit and vegetable seedling raising. The device comprises a base, wherein fixed side columns are fixedly connected to the upper end surfaces of left and right sides of the base, a fixed seat is fixedly connected to the surfaces of the inner walls of the upper ends of the fixed side columns, cultivation basins are fixedly connected to the upper end of the fixed seat, a supporting seat is slidably connected to the inner walls of the lower ends of thefixed side columns, a temperature regulating mechanism is fixedly connected to the surface of the middle of the upper end of the base, and fixed plates are slidably connected to the side walls of thefixed side columns. First, the supporting seat is driven indirectly by a gear, so that the depth of the cultivation basin can be defined roughly. When it is needed to ventilate the cultivation basinand loosen the soil irregularly, a sliding plate slides to change upward displacement at one end of the fixed seat, so that the ventilating and soil-loosening effect to the bottom of the cultivation basin is achieved.

The invention discloses a special seam welding machine for an air duct of an energy-saving range hood. The special seam welding machine for the air duct of the energy-saving range hood comprises a case, a pressing assembly and a rotary positioning assembly, wherein the case and the rotary positioning assembly are respectively arranged at both side parts of a supporting base; the pressing assembly is arranged on the case; the pressing assembly comprises an upper pressing mechanism and a lower pressing mechanism; the inner ends of the upper pressing mechanism and the lower pressing mechanism are respectively connected with an upper pressure block and a lower pressure block and control the upper pressure block and the lower pressure block to press and fix an air duct pipe to be subjected to seam welding; the rotary positioning assembly is arranged outside the air duct pipe and controls rotating upper seam welding wheel and lower seam welding wheel to carry out rotary welding on a gap of the air duct pipe. The special seam welding machine is simple, is convenient and rapid to operate, is provided with a limiting mechanism and has high welding accuracy.

The invention discloses a mechanical water meter convenient to assemble and a rapid assembling method, and relates to the field of water meter production equipment. The mechanical water meter comprises a mechanical water meter body, wherein the left end and the right end of the mechanical water meter body are fixedly connected with a first connecting pipe and a second connecting pipe respectively, and the first connecting pipe is connected with a pressure adjusting structure for water pressure adjustment; the inner end of the first connecting pipe and the inner end of the second connecting pipe are connected with a length adjusting structure used for length adjustment, the length adjusting structure is connected with a movable sleeve, the outer end of the movable sleeve is fixedly connected with a mounting structure used for flange connection, the mounting structure comprises a second sealing ring, L-shaped clamping plates, a first straight block, a groove, a rotating shaft, an inserting hole, a second straight block, a third spring, a plug pin and a connecting ring, and the connecting ring is fixedly installed on the inner wall of the outer end of the movable sleeve. The flange is fixed through the multiple sets of L-shaped clamping plates, and rapid assembly of the mechanical water meter is achieved.

The invention relates to the technical field of automobile maintenance, and discloses a liftable automobile maintenance platform. The liftable automobile maintenance platform comprises a bottom plate,hydraulic pump stations are arranged on the left side and the right side of the upper surface of the bottom plate, first guide columns are fixedly connected to the left side and the right side of theupper surface of the bottom plate, and anti-collision discs are arranged at the top ends of the first guide columns. According to the liftable automobile maintenance platform, the output end of a first push rod motor is contracted to drive a first connecting plate to swing downwards along a first connecting shaft through a connecting sleeve, so that the first connecting sleeve drives a second connecting plate to swing upwards along the first connecting shaft, the second connecting plate pushes a first clamping plate through the first connecting plate to clamp and fix automobile tires, so thatthe fixed limiting of an automobile to be maintained is realized, the stability of the automobile to be maintained is guaranteed when the automobile to be maintained is maintained by maintenance personnel, the probability of the sliding and falling phenomenon of the automobile to be maintained is reduced, and the life safety of the maintenance personnel is guaranteed.

The invention discloses a weaving machine shuttle and a weaving machine applying the same. The weaving shuttle comprises a first sheet body and a second sheet body provided with a circular opening structure, wherein the first sheet body comprises a central part provided with first circular opening, a first head part positioned at one end of the first opening, and a first tail part positioned at the other end of the first opening; the second sheet body comprises a central part provided with a second circular opening, a second head part positioned at one end of the second opening and a second tail part positioned at the other end of the second opening; the first sheet body and the second sheet body are made of a stainless steel material; the peripheral edges of the first sheet body and the second sheet body are welded to each other and form a cavity structure; the first head part corresponds to the second head part to form a head area; the first opening corresponds to the second opening to form an opening part which is used for placing a shuttle peg; the first tail part corresponds to the second tail part to form a tail area. Therefore, the mass of the entire shuttle can be greatly reduced, more shuttles can be mounted on the weaving machine, and finally, the efficiency of the weaving machine is improved.

The invention relates to a movable support frame for medical nursing. The movable support frame for medical nursing comprises a base, a rotating cylinder, a threaded rod, a supporting rod and limiting arc rods, wherein the rotating cylinder is rotationally installed at the top of the base; through movement of universal wheels, when fixing is needed, an air pump works to suck air from an adjusting groove and a guide hole; the inner wall of the guide hole and the outer wall of a movable pipe are in a sealed state; a first piston in the adjusting groove moves towards the other end, and further, air at the bottom of a second piston of an adjusting cylinder is sucked into the adjusting groove; at the moment, the second piston drives the movable pipe to move downwards until a suction cup on a connecting pipe is in contact with the ground; at the moment, a connecting hole on the movable pipe corresponds to the guide hole; the air pump communicates with the movable pipe, the connecting pipe and the suction cup; adsorption force is generated at the suction cup, the suction cup is adsorbed and fixed to the ground, and fixing and limiting of the support frame are achieved; and when moving is needed, the air pump injects air into the adjusting groove and the guide hole, the second piston drives the movable pipe to move upwards, the suction cup is separated from the ground, and actual operation and application are facilitated.

The invention discloses a shipping container high in loading efficiency and convenient to hoist. The shipping container comprises a bottom plate, a container body, grooves and second hollow blocks, wherein first pulleys are movably connected to the two sides of the top end of the bottom plate, second pulleys are arranged on one sides of the first pulleys, and a plurality of first hollow blocks arefixedly connected to the middle of the top end of the bottom plate. By means of hoisting hooks movably connected into the grooves, the hoisting hooks can be hooked through hoisting equipment for hoisting in the hoisting process of the container body, after hoisting is completed, the hoisting hooks can be rotationally placed in the grooves through rotating shafts, at the moment, limiting bolts canbe rotated in spiral sleeves, the limiting bolts move in the spiral sleeve and make contact with the hoisting hooks, and the limiting bolts exert certain pressure on the hoisting hooks, so that the hoisting hooks are limited, the hoisting hooks are convenient to fold and unfold when not used, the container can be conveniently hoisted, and the working difficulty in the carrying process is reduced.

The invention discloses a car model display stand convenient to clean, which comprises supporting legs, a support and a stand body, the supporting legs are arranged at the four corners of the bottom end of the support, the stand body is arranged at the top end of the support, a rotating mechanism is arranged between the support and the stand body, wheel grooves are formed in the four corners of the top end of the stand body, and the rotating mechanism is arranged in the wheel grooves. And a fixing structure is arranged on one side of each wheel groove, a protection structure is arranged at the top end of the support, and the protection structures are arranged on the outer side wall of the table body. The rotating mechanism is arranged at the bottom end of the car model display stand, so that a car model placed on the car model display stand can rotate by 360 degrees, a visitor does not need to walk around the car model to watch at other angles, and the visitor can stand in situ to watch and know the car model in all directions; the arrangement of the mechanism provides convenience for visitors, so that the overall practicability is improved.

The invention discloses a mute relay, and the relay comprises a base, a relay main body and a plurality of elastic leading-out ends; the first end of each elastic leading-out end is electrically connected with a corresponding leading-out pin on the relay main body; a plurality of mounting grooves in one-to-one correspondence with the plurality of elastic leading-out ends are formed in the base, each mounting groove comprises a blind hole part with a closed bottom end and a through hole part penetrating up and down, and the blind hole parts and the through hole parts are laterally communicated; the second end of each elastic leading-out end is provided with a lamination structure and a step structure which are distributed along the width direction of the elastic leading-out end, or the second end of each elastic leading-out end is provided with the lamination structure, and the lamination structure is provided with the step structure; the lamination structures are downwards inserted into the through hole parts of the corresponding mounting grooves, and the step structures are arranged in the blind hole parts of the corresponding mounting grooves. By improving the strength of the elastic leading-out end and vertically and transversely positioning the elastic leading-out end on the base, the problems of deformation and deflection of the leading-out end are solved.

A suspended folding wheelchair storage table comprises a storage table body and a support. The storage table body and the support are rotatably connected, the two side faces, close to the inner side, of the storage table body are each provided with a limiting pin shaft, and the support is formed by connecting a vehicle body installation plate with two support side plates connected to the two ends of the vehicle body installation plate into a whole body; the vehicle body installation plate is a long-strip-shaped bent steel plate and used for achieving a supporting function when the storage table body is flatwise placed, the support side plates are hollow castings, the inner side faces of the two support side plates are each correspondingly connected with a limiting clamping base, and the limiting clamping bases are used for cooperating with the limiting pin shafts to fix and limit the storage table body when the storage table body stands upwards. According to the storage table, the horizontal state in working and the standing state in non-working of the storage table body are achieved by means of rotatable connection of the storage table body and the support; meanwhile, supporting on the storage table body is achieved when the storage table body is flatwise placed by means of the long-strip-shaped bent steel plate of the support, and fixing and limiting of the storage table body are achieved when the storage table body stands by means of cooperation of the limiting pin shafts arranged on the storage table body and the limiting clamping bases arranged on the support side plates; accordingly, not only can a passenger conveniently uses a wheelchair, but also the effective space utilization problem generated when the storage table is not used is solved.

The invention discloses feed for improving survival rate of juvenile whitefish, and relates to the field of aquaculture feed. The feed capable of increasing the survival rate of juvenile whitefish is prepared from the following components in parts by weight: 33 to 46 parts of peanut cakes, 44 to 65 parts of bean cakes, 34 to 45 parts of rape seed cakes, 55 to 76 parts of sweet corn, 10 to 20 parts of bran, 3.6 to 5 parts of enzymolysis fish protein, 0.2 to 1.6 parts of betaine, 0.5 to 1.5 parts of taurine, 0.35 to 0.5 part of hydroxyproline, 0.1 to 0.3 part of glycine, 0.1 to 0.3 part of alanine, 1.5 to 2.8 parts of monocalcium phosphate, 0.3 to 1.5 parts of choline chloride. 0.5-1.3 parts of complex vitamins, 0.5-1.3 parts of complex trace minerals, and 400-600 parts of water. According to the feed, protein sources of the raw materials are balanced through the lycine, the taurine, the hydroxyproline glycine, the alanine and the monocalcium phosphate, comprehensive absorption of digestive tracts of whitefishes is facilitated, absorption of the whitefishes is facilitated, feed waste is avoided, water quality is guaranteed, and the survival rate of the juvenile whitefishes is increased; and in addition, the preparation process is simple and beneficial to preparation.

The invention discloses an anti-falling concrete external wall insulation board and a construction method thereof.The anti-falling concrete external wall insulation board comprises an insulation board body, an insulation layer and a supporting framework, a decoration layer is arranged on the outer surface of the insulation board body, and an insulation layer is arranged on the side, away from the outer surface of the insulation board body, of the decoration layer; a concrete layer is arranged on the side, away from the decoration layer, of the heat preservation layer, a supporting framework is arranged in the middle of the concrete layer in a crossed mode, butt joint openings used for butt joint are formed in the upper end and the lower end of the heat preservation plate body, and the heat preservation plate body is fixed to a mounting keel through screws. The installation keel is fixed to the outer vertical face of a building through screws. According to the anti-falling concrete external wall insulation board and the construction method thereof, under the condition that the number of installed screws is reduced, rapid installation of the concrete external wall insulation board can still be achieved, meanwhile, the fixing degree is higher, and the problem that the concrete external wall insulation board falls accidentally is effectively solved.