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66results about How to "Reduce the likelihood of disengagement" patented technology

Anti-theft cable well lid

InactiveCN105887930AGood anti-theft functionPrevent manhole cover from being stolenArtificial islandsBurglar alarm mechanical actuationAlarm triggerStress sensors
The invention provides an anti-theft cable well lid. The anti-theft cable well lid comprises a base, a well lid body, a mechanical anti-theft device and an electronic anti-theft device. The mechanical device comprises two limiting components independent of each other. The well lid body and the base are fixed together by inserting connecting rods into corresponding limiting grooves. The electronic anti-theft device comprises a microprocessor, a trigger module, an alarm module, a password disc, a miniature infrared video tape recorder and a user terminal. Pressure signals are collected by a pressure sensor and transmitted to the microcomputer, and the false alarm prevention function, the alarm trigger function and the secondary alarm trigger function can be achieved. According to the anti-theft cable well lid, the well lid body can be separated from the base by sequentially rotating the two connecting rods by a proper angle, the possibility that a person disengages the two connecting rods from the corresponding limiting grooves in a short time under the condition of not knowing the specific structure is tiny, and if the well lid is prized up forcibly, the electronic alarm device is triggered to give out an alarm signal and transmit the alarm signal to the user terminal. According to the anti-theft cable well lid, the double anti-theft setting is adopted, the anti-theft coefficient is high, and the anti-theft effect is good.
Owner:ZOUPING POWER SUPPLY CO

Production process of shielding cover for electronic products

The invention discloses a production process of a shielding cover for electronic products, and relates to the technical field of electromagnetic shielding. The production process comprises the steps of base metal preprocessing, coating printing, baking, cooling and the like; in the baking process, the baking temperature is 180-220 DEG C and the baking time length is 3-5 min; from the beginning tothe end, the baking process comprises four stages in sequence: a first intermediate temperature stage, a high temperature stage, a second intermediate temperature stage and a secondary high temperature stage; and a baking temperature difference between any two adjacent stages is at least 10 DEG C. The production process of the shielding cover for electronic products is not only capable of improving the using performance of the metal shielding cover and prolonging the service life of the metal shielding cover, but also beneficial for improving the production efficiency and the product outgoingquality.
Owner:上海亿尚金属有限公司 +1

Concrete pipe and processing technology thereof

The invention relates to a concrete pipe and a processing technology thereof. The concrete pipe comprises a pipe body and a steel bar frame arranged in the pipe body. The pipe body comprises a middlepart, a bearing part and an inserting part, wherein the baring part and the inserting part are located at the two ends of the middle part. An annular groove is formed in the end face of the bearing part. An annular protrusion is arranged on the end face of the inserting part. The protrusion corresponds to the groove, and a rubber layer is disposed on the protrusion. The pipe body is provided witha fixing part used for fixing between the bearing part and the inserting part. The concrete pipe has the effect that the sealing performance of a concrete pipe joint is improved.
Owner:昆山固特水泥制管有限公司

Lead-acid storage battery and lead-acid storage battery pack

The invention discloses a lead-acid storage battery. The storage battery comprises a positive electrode, a negative electrode, a battery shell and a current converging body, wherein the positive electrode and the negative electrode have columnar strip physical shapes; a positive electrode columnar strip and a negative electrode columnar strip are parallel to each other and are arranged in an adjacent or nesting manner; the positive electrode columnar strip and the negative electrode columnar strip are isolated mutually by an isolation plate; each of the positive electrode columnar strip and the negative electrode columnar strip comprises an active material and a current collector; at least one part of each current collector is arranged in the interior or on the surface of the corresponding active material; and one end of each current collector is conductively contacted or combined with the corresponding active material while the other end is conductively connected with at least one kind of the current converging body, a connecting body between batteries or a battery output end point. The invention also discloses a lead-acid storage battery pack formed by the lead-acid storage battery. By means of improving the shapes and the array arrangement structures of the positive electrode and the negative electrode of the lead-acid storage battery, the performance of specific energy, deep discharging, high-current discharging capability, cycling life and the like of the lead-acid storage battery can be greatly improved.
Owner:杨春晓

Waterproof plugging process for cable hole

ActiveCN110707632AReduce overflowReduce filler filling residual voidsElectrical apparatusPipesSlurryRebar
The invention discloses a waterproof plugging process for a cable hole. The waterproof plugging process comprises the following specific steps: polishing the inner side wall of the cable hole to be smooth; prefabricating a sealing plate, cutting inserting holes in the sealing plate, prefabricating a sleeve, welding steel bars to the outer side wall of the sleeve, drilling a plurality of grout penetrating holes in the outer side wall of the sleeve, welding a cover plate to the end wall of the sleeve, cutting through holes and grouting holes in the cover plate; sleeving the sealing plate outsidethe cable, inserting the sealing plate into the cable hole, moving the sealing plate into the cable hole, sleeving the sleeve and the cover plate outside the cable, inserting the sleeve into the cable hole, pushing the sealing plate into the cable hole, and attaching the cover plate to a wall.; injecting the filler into the sleeve from the grouting hole, allowing the filler to enter the cable hole from the slurry penetrating hole, and when the filler overflows from the top of the cover plate, stopping grouting; rotating the sleeve, injecting the filler from the grouting hole, and when the filler overflows from the top of the cover plate, stopping the grouting; repeating for multiple times, and finally sealing the grouting hole by a sealing plug; and waiting for filler drying, thereby reducing the possibility that water overflows from the cable hole.
Owner:南京聚联输变电安装有限责任公司

Excavator for building machinery

The invention discloses an excavator for building machinery, and relates to the technical field of buildings. The excavator for the building machinery comprises a cab, wherein the bottom of the cab is fixedly connected to a machine body platform, the left side of the cab is fixedly connected to a machine box, the top of the machine box is rotationally connected to a lower lifting arm, and the top of the lower lifting arm is fixedly and rotationally connected to a connecting rod through a fixing base. A through groove is provided at the bottom of the machine body platform, space inside the through groove can be used for containing a fixing plate and a fixing mechanism, the fixing plate and the fixing mechanism are placed in the through groove to prevent dust falling when not used, the fixing mechanism slides out of the through groove when used, the contact area between the whole machine and the ground can be increased through internal parts, road holding force is higher, front-back shaking force generated by the machine body when a gripper works is reduced, the driving comfort of a driver is improved, and when a slope is encountered, the use safety of the machine can be improved by using the mechanism, so that the working efficiency of the machine is further improved.
Owner:廖家健

Household disinfection cabinet with low power consumption and automatic monitoring function based on Internet of Things technology

The invention discloses a household disinfection cabinet with low power consumption and an automatic monitoring function based on Internet of Things technology. The household disinfection cabinet comprises a disinfection cabinet body, a plurality of uniformly distributed disinfection cabinet clapboards are connected in the disinfection cabinet body, a pair of tracks are connected to the disinfection cabinet clapboards, a plurality of uniformly distributed rolling mechanisms are connected to the tracks, the rolling mechanism comprises a rolling protection shell, a rolling motor is connected inthe rolling protection shell, the rolling motor is connected with the rolling protection shell, a rolling motor shaft is connected to the rolling motor, a transmission limiting block is connected to the rolling motor shaft, and a wheel shaft is connected to the rolling protection shell. Through arrangement of corresponding mechanisms on the household disinfection cabinet, a situation that multipledishes are blocked by one another is greatly reduced, the dishes can be rapidly and comprehensively disinfected, the disinfection cabinet is prevented from being opened for a long time, power consumption of the household disinfection cabinet is greatly reduced, resource waste is avoided, and burdens are relieved for users.
Owner:嘉兴勤慎智能技术有限公司

Electric connector

There is provided an electrical connector in which the retaining force of retaining a front cover is improved. Electrical connectors 1, and 1' each have a housing 10 having contact accommodating cavities 13; a front cover 20 that is attached to the front side of the housing 10 and that has mating connector inserting openings 24 at positions that correspond to the contact accommodating cavities 13;and a retainer 30 that is attached form the lower side of the housing 10 and that locks contacts accommodated in the contact accommodating cavities 13. Retaining means 27, 28, 32, and 33 is arrangedat the front cover 20 and the retainer 30 to cause the retainer 30 to retain the front cover 20.
Owner:TYCO ELECTRONICS JAPAN GK

C-type wingceltis bar and cross beam end adjustable connecting part

The invention discloses a C-type wingceltis bar and cross beam end adjustable connecting part. The C-type wingceltis bar and cross beam end adjustable connecting part comprises positioning columns andlimiting plates, the four positioning columns are vertically mounted, a C-type wingceltis bar and the end of a cross beam are sequentially stacked up and down, and are interspersed in among the fourpositioning columns in a cross manner, the limiting plates are horizontally mounted, the two ends of the limiting plates are provided with adjusting openings in the length direction, locking blocks sliding in the length direction of the limiting plates are mounted in the adjusting openings, the four limiting plates are mounted on the top ends and the bottom ends of the positioning columns, the four limiting plates are arranged in sequence end to end in a rectangular manner, the adjusting openings in the two ends of the limiting plates are arranged in the ends of the two adjacent positioning columns in a sleeving manner, the locking blocks tightly abut against the positioning columns, and locking assemblies are mounted on the locking blocks. The adjustable connecting part has the advantagesof being suitable for C-type wingceltis bars and cross beams of multiple specification sizes and the large in locking range.
Owner:JIANGSU JINHUI CONSTR & INSTALLATION ENG

Soil nail anti-pulling fastening structure

The invention relates to a soil nail anti-pulling fastening structure, and relates to the field of slope support. The soil nail anti-pulling fastening structure is used for fastening a soil nail penetrating through a soil body and a concrete surface layer, and comprises a fastening sleeve arranged on the soil nail in a sleeving mode; the fastening sleeve is pressed on the side, away from the soil body, of the concrete surface layer; a fastening bolt is arranged on the fastening sleeve in a penetrating mode in the radial direction of the fastening sleeve; and the fastening bolt is in threaded connection with the fastening sleeve and tightly abuts against the side face of the soil nail. The soil nail anti-pulling fastening structure has the advantages that tapping on the soil nail is avoided, the fastening sleeve can adapt to soil nails of different specifications, and then the machining process of the soil nail fastening structure is more convenient.
Owner:瑞腾基础工程技术(北京)股份有限公司

Waterproof structure of building roof and construction method thereof

The invention relates to the technical field of roof waterproof engineering, in particular to a waterproof structure of a building roof and a construction method thereof. The waterproof structure of the building roof comprises a structural layer, a cement mortar slope making layer, an adhesive layer and a PVC waterproof coiled material layer which are sequentially arranged upwards, and the PVC waterproof coiled material layer comprises a plurality of PVC waterproof coiled materials which are sequentially overlapped. The construction method of the waterproof structure of the building roof comprises the steps: S1, base layer treatment; S2, coiled material pavement; and S3, after-treatment of the coiled material. The structure has an effect of improving the waterproof performance of the roof.
Owner:宁波益富乐生物科技有限公司

Hoisting equipment and hoisting method

The invention discloses hoisting equipment and a hoisting method, and belongs to the technical field of hoisting equipment. A cargo connecting part in the hoisting equipment comprises a first cargo connecting piece, a second cargo connecting piece and a third cargo connecting piece which are connected with a cross beam in a supporting part and provided with horizontal connecting faces, and the first cargo connecting piece and the second cargo connecting piece are symmetrically distributed relative to a first symmetric face of the cross beam. Projections of the counterweight assembly, the first cargo connecting piece, the second cargo connecting piece and the third cargo connecting piece on the horizontal plane are located at four corners of a rhombus respectively, the counterweight assembly, the third cargo connecting piece and two hoisting rope connecting lifting lugs connected with a hoisting rope of a crane adjust the gravity center of hoisting equipment in the two diagonal directions, and the gravity center is rapidly adjusted. And stable lifting of hoisting equipment and goods is ensured. The possibility that a connecting piece between hoisting equipment and goods is separated can be reduced, and stable lifting of the hoisting equipment and the goods is guaranteed.
Owner:WUHAN MARINE MACHINERY PLANT

Anti-dewing coating and preparation method thereof

The invention relates to an anti-dewing coating, which is prepared from a component A and a component B, wherein the component A comprises 35-57 parts of fluorocarbon resin, 20-35 parts of a fluorinated ethylene propylene copolymer, 3-7 parts of nano zinc oxide, 13-17 parts of an adhesive force enhancer, 5-13 parts of titanium dioxide, 13-20 parts of a diluent, 3.5-7.5 parts of a coupling agent, 0.3-1.4 parts of a dispersing agent, 0.3-1.4 parts of leveling agent, 0.3-1.7 parts of a de-foaming agent, and 0.2-1 part of an emulsifier; and the component B comprises 37-49 parts of an isocyanate curing agent and 15-27 parts of a diluent. The anti-dewing coating disclosed by the invention has relatively excellent adhesive force and freezing resistance. The invention also discloses a preparationmethod of the anti-dewing coating, which comprises the following steps: mixing the nano zinc oxide, the dispersing agent and the coupling agent; adding fluorocarbon resin, a fluorinated ethylene propylene copolymer, titanium dioxide, a diluent, a leveling agent, an antifoaming agent and an emulsifier, and mixing; finally, mixing an adhesive force enhancer to obtain a component A; mixing the isocyanate curing agent and diluent to obtain a component B. The components are promoted to be reacted completely, so that the prepared anti-dewing coating has excellent adhesive force and frost resistance.
Owner:苏州九维电气制造有限公司

Fixing structure of a porcelain insulator

The invention discloses a fixing structure of a porcelain insulator, comprises a support plate and a fixing box, the interior of the support plate is provided with a fixing groove inside. The two sides of the fixing groove are provided with clamping grooves, the fixing plates are fixedly connected between the two sides of the inner wall of the fixing box, the bottom of the fixing plate is fixedlyconnected with a first sliding rail, and the two sides of the outer surface of the first sliding rail are slidably connected with a first sliding block. The invention relates to the technical field ofporcelain insulators. Through the fixing structure of the porcelain insulator, the porcelain insulator can be conveniently and quickly disassembled and installed, the invention avoids that the existing porcelain insulators are all threaded through the threads arranged on the porcelain insulators in the use process and screws or other fixing parts are fixedly installed, so the installation and disassembly process is time-consuming and laborious, The fixing structure reduces the burden of the staff, reduces the working intensity, saves the time, and improves the working efficiency of the staff,and it is convenient for the staff to repair or replace the porcelain insulator.
Owner:WUHU KAIXIN ARRESTER

Anti-tipping protection method for pneumatic anchor cable drill rig

The invention relates to drilling of soil layers or rock, in particular to a safety protection method for a pneumatic anchor cable drill rig, and aims to provide an anti-tipping protection method for a pneumatic anchor cable drill rig. The anti-tipping protection method for the pneumatic anchor cable drill rig is capable of preventing tipping of the pneumatic anchor cable drill rig during operation at the top of a roadway and reducing labor intensity of operators. The safety protection method for the pneumatic anchor cable drill rig includes the steps: (1) hanging a first hang fastener with a first pulley on an anchor net right above the pneumatic anchor cable drill rig, and hanging a second hang fastener with a second pulley to the bottom of a lifting leg of the pneumatic anchor cable drill rig; (2) tying a first end of a safety rope onto a third hang fastener, and hanging the third hang fastener on a hand guard of the pneumatic anchor cable drill rig; (3) winding a second end of the safety rope on the first pulley and the second pulley; and (4) tying the second end of the safety rope on the hand guard of the pneumatic anchor cable drill rig.
Owner:CHINA COAL XINJI ENERGY CO LTD

Bottom cover and drainage cover combined structure of drum washing machine

The invention provides a combining structure for lower cover and drainage cover of a cylinder washing machine. The structure includes: a rectangular drainage cover, which has a hook on the upside and a hinge pin on the both sides of the lower end; and a lower cover, which can form a pin groove on the underside capable of inserting into the hinge pin and making the drainage cover fixedly rotate around the hinge pin. Because the drainage cover can rotate freely, it can not be damaged easily even when the operator steps on it or presses it. In addition, the hinge pin and the pin groove is combined in insertion mode, the gap between them is very small, as a result, the vibration or noise can be reduced during the operation of the cylinder washing machine. And the lower cover and the drainage cover is combined with hinge, so they can not be detached easily.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD

An anti-theft cable well cover

The invention provides an anti-theft cable well lid. The anti-theft cable well lid comprises a base, a well lid body, a mechanical anti-theft device and an electronic anti-theft device. The mechanical device comprises two limiting components independent of each other. The well lid body and the base are fixed together by inserting connecting rods into corresponding limiting grooves. The electronic anti-theft device comprises a microprocessor, a trigger module, an alarm module, a password disc, a miniature infrared video tape recorder and a user terminal. Pressure signals are collected by a pressure sensor and transmitted to the microcomputer, and the false alarm prevention function, the alarm trigger function and the secondary alarm trigger function can be achieved. According to the anti-theft cable well lid, the well lid body can be separated from the base by sequentially rotating the two connecting rods by a proper angle, the possibility that a person disengages the two connecting rods from the corresponding limiting grooves in a short time under the condition of not knowing the specific structure is tiny, and if the well lid is prized up forcibly, the electronic alarm device is triggered to give out an alarm signal and transmit the alarm signal to the user terminal. According to the anti-theft cable well lid, the double anti-theft setting is adopted, the anti-theft coefficient is high, and the anti-theft effect is good.
Owner:ZOUPING POWER SUPPLY CO

Shock absorber

ActiveCN105090311AIncreased ability to rotate at high speedsImprove stabilityShock absorbersAxial forceEngineering
The invention provides a shock absorber. The shock absorber comprises an inner sleeve, a middle layer and an outer sleeve. First protrusion portions or first grooves are arranged on or formed in the outer side face of the inner sleeve. Second grooves matched with the first protrusion portions or second protrusion portions matched with the first grooves are formed in or arranged on the inner side face of the middle layer. The inner sleeve, the middle layer and the outer sleeve are arranged concentrically from inside to outside in sequence. According to the shock absorber, the protrusion portions or the grooves are arranged on or formed in the outer side face of the inner sleeve, and the grooves or and the protrusions are formed in or arranged on the inner layer face of the middle layer correspondingly, so that the contact area between the inner sleeve and the middle layer is increased, and the probability of separation of the inner sleeve and the middle layer when the shock absorber is subjected to turning moment during running is reduced; the capacity of the shock absorber to bear a high rotation speed o fan blades is improved, the stability of the shock absorber under the action of twisting moment, turning moment and axial force is improved, and therefore the reliability of the shock absorber is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Intelligent optical fiber junction box

The invention relates to an intelligent optical fiber junction box, in particular to the field of optical fiber connecting devices, the intelligent optical fiber junction box comprises a box body and a box cover, the box cover covers the box body, a wire inlet hole and a wire outlet hole are formed in the box body, a wire coiling mechanism is arranged in the box body, the wire coiling mechanism comprises at least three clamping assemblies, and the radius of the circumcircle of each clamping assembly is not smaller than 30 mm; the clamping assembly comprises a clamping buckle, an opening blocking plate, a movable piece and an elastic piece, a clamping through groove is formed in the top of the clamping buckle, the opening blocking plate is fixedly arranged on the side, close to the side wall of the box body, of an opening of the clamping through groove, and the minimum distance between the opening blocking plate and the groove wall, away from the side wall of the box body, of the clamping through groove is larger than the diameter of an optical fiber, the movable piece is movably connected to the side, away from the side wall of the box body, of the opening of the clamping through groove, the elastic piece is arranged between the movable piece and the clamping buckle and enables the movable piece to tend to abut against the opening blocking plate, and when the movable piece abuts against the opening blocking plate, the opening blocking plate and the movable piece jointly seal the opening of the clamping through groove. The optical fiber coiling device has the effect of conveniently coiling and fixing the optical fiber.
Owner:ZG TECH SHENZHEN

Closed pore rubber material and preparation process thereof

A closed pore rubber material comprises a metal plate layer, the two faces of the metal plate layer are each coated with a treating agent layer, the two treating agent layers are each coated with a bottom coating, and the two bottom coatings are each coated with a rubber layer. Compared with the prior art, the beneficial effects are that: a metal layer with burrs is arranged in the rubber material, so that the contact area of the metal layer and the rubber layer is increased, the adhesion strength of the two layers is improved, the possibility that the materials of all the layers are separateddue to the use environment (temperature, humidity, greasy dirt and the like) is reduced, and the rubber material is firmer, more oil-resistant and more heat-resistant.
Owner:宁波信幸隆密封制品有限公司

Connector equipped inside combined partial-wave circuit and signal path system

The invention provides a connector equipped inside a combined partial-wave circuit and a signal path system. The devices forming the signal path system and cables which are easily arranged in order are further arranged in a concealed way. The signal path system are connected among multiple communication devices for performing bidirectional communication and multiple antennas. A connector (1) is equipped inside a combined partial-wave circuit. An installing part (5) is formed on one side of a housing (2) the other side of which is provided with signal cable parts (11, 12). A combined partial-wave circuit is equipped inside the housing. The combined partial-wave circuit can combine two signals with different frequencies and generate a combined signal, or separate a combined signal into two signals having different frequencies. A clamping hole (8) for preventing a relay cable from being detached is formed on the installing part. A fixing mechanism for firmly fixing the signal cable parts and preventing the parts from being detached is equipped inside the housing.
Owner:HIROSE ELECTRIC GROUP

Computer and built-in functional daughter board structure thereof

The invention discloses a computer and a built-in functional daughter board structure thereof, the built-in functional daughter board structure comprises a display, a connecting device and a hardwarebase, the connecting device comprises a connecting rotating shaft, two ends of the connecting rotating shaft are fixedly connected with first connecting sleeves, and the bottom ends of the two first connecting sleeves are fixedly connected with the hardware bases; a second connecting sleeve is rotatably connected to the middle of the outer wall of the connecting rotating shaft, and a display is fixedly connected to the top end of the second connecting sleeve; the displayer comprises a protective rear shell, an anti-collision back plate is fixedly installed in a groove in the front face of theprotective rear shell, three connecting bosses are arranged on the front face of the anti-collision back plate at equal intervals, and a connecting back plate is fixedly connected to the front faces of the three connecting bosses. The built-in functional daughter board structure has the beneficial effects that the anti-collision bottom plate is used for blocking external impact force, the supporting rubber columns are used for reducing the external impact force, the heat dissipation corrugated plate is used for dissipating heat of the control main board, all the functional sub-boards in the control main board are protected, and data loss caused by damage is prevented.
Owner:深圳市中科超越科技有限公司

Electric automobile battery tray welding clamp

The invention discloses an electric automobile battery tray welding clamp, and belongs to the technical field of automobile assembly mounting. The electric automobile battery tray welding clamp comprises a mounting plate, a constraint line frame and a tray, wherein the mounting plate, the tray and the constraint line frame are sequentially distributed from bottom to top, two symmetric sliding grooves are formed in the upper end of the mounting plate, two sliding rods are slidably connected in each sliding groove, round rods are fixedly connected to the upper end of the sliding rods correspondingly, round holes matched with the round rods are formed in the upper end of the constraint wire frame, the outer ends of the round rods are in threaded connection with nuts, the upper end of the mounting plate is fixedly connected with four air cylinders which are uniformly distributed, circular grooves matched with the output ends of the air cylinders are formed in the bottom end of the tray, four L-shaped detection blocks which are uniformly distributed are arranged at the outer end of the tray, and two mutually symmetric connecting plates are fixedly connected to the upper end of each L-shaped detection block, so that the clamping effect can be improved, the clamping is more stable and accurate, the welding accuracy is improved, and the welding work efficiency is further improved.
Owner:广州市诚涛机械有限公司

Top calandria construction method and auxiliary device thereof

The invention relates to a top calandria construction method and an auxiliary device thereof, and relates to the field of top calandria construction. A top calandria pipe construction method comprises the following steps that a beam plate structure provided with a plurality of through holes is poured, a top calandria pipe is fixed to a supporting and hanging frame, a lifting device with a steel wire rope is arranged, the steel wire rope penetrates through the through holes in the beam plate structure and is connected with the supporting and hanging frame fixedly provided with the top calandria pipe, the supporting and hanging frame fixedly provided with the top calandria pipe is lifted through the lifting device, and the top calandria pipe is arranged on the beam plate structure. Then, the through hole is fixed to a beam plate structure, and after fixing is completed, the through hole is blocked; the auxiliary device comprises an extending part and an abutting part, the extending part is detachably connected with the to-be-connected piece, the abutting part is hinged to the extending part, and when the extending part is connected to the to-be-connected piece, one end of the abutting part bears lifting force, and the other end of the abutting part abuts against the to-be-connected piece. The construction method has the effect of facilitating construction of the top calandria.
Owner:中铁一局集团建筑安装工程有限公司 +2

Two-lock device and child safety seat

The invention relates to a two-lock device and a child safety seat, and belongs to the field of child safety seat structures, the two-lock device comprises a connecting frame and a locking part, the locking part is located in the connecting frame, a clamping groove is formed in the outer wall of the connecting frame, the locking part comprises a connecting assembly and a locking assembly, the connecting assembly is used for being connected with an automobile seat connecting part, the connecting assembly is provided with a buckling position for buckling the connecting part of the automobile seat and a releasing position for allowing the connecting part of the automobile seat to be separated, the locking assembly comprises a linkage assembly and a pulling piece, the pulling piece comprises a sliding plate, the sliding plate is located in the clamping groove, and the connecting assembly is located at the buckling position; the sliding plate is slidably connected with the connecting frame in the length direction of the connecting frame, the sliding plate is connected with the linkage assembly, and when the sliding plate moves out of the clamping groove and moves in the direction away from the connecting assembly, the connecting assembly moves to the releasing position from the buckling position. The child safety seat has the effect that the situation that the child safety seat is disengaged from the automobile seat due to child touch is reduced.
Owner:宁波昱昌安全制品有限公司

Quickly-mounted steel column mounting structure and mounting process thereof

The invention discloses a steel column mounting structure capable of being quickly mounted and a mounting process of the steel column mounting structure. A steel column installation structure capable of being rapidly installed comprises an upper connecting steel pipe used for being fixedly connected with one end of a steel column and a lower connecting steel pipe used for being fixedly connected with one end of another steel column. The upper connecting steel pipe is fixedly provided with a supporting ring, the end, away from the upper connecting steel pipe, of the supporting ring is inserted into the lower connecting steel pipe, and the supporting ring is matched with the lower connecting steel pipe in an inserted mode. The lower connecting steel pipe is fixedly provided with a butt joint block, and the upper connecting steel pipe is provided with a butt joint groove allowing the butt joint block to be inserted. A fixing block is slidably arranged on the upper connecting steel pipe, and a fixing hole allowing one end of the fixing block to be inserted is formed in the butt joint block in the width direction of the butt joint groove; a driving piece used for driving the fixing block to slide is arranged between the fixing block and the upper connecting steel pipe. The supporting ring is matched with the lower connecting steel pipe in an inserted mode so that the two steel columns can be fixed in advance, the steel column located on the upper portion does not need to be supported manually or through a special tool, and operation is convenient and saves labor.
Owner:LONGXIN CONSTR GRP
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