127results about How to "Will not cause disengagement" patented technology

The invention discloses a power supply plugging device. The power supply plugging device comprises a plug-in part used for connection with electrical equipment by using a wire and a power supply part connected with commercial power. The plug-in part comprises a handheld body. The front end and the rear end of the right end surface of the handheld body are symmetrically provided with two plugging columns, and the right end of each of the plugging columns is provided with a positioning grooves, and in addition, the middle part of the right end surface of the handheld body is provided with a plug. The power supply part comprises a housing, and the left end surface of the housing is provided with an opening facing leftwards and a power supply hole cooperated and connected with the plug. The front end and the rear end of the left end surface of the housing are symmetrically provided with plugging column grooves used for cooperated connection with the plugging columns. The power supply plugging device is advantageous in that a structure is simple, and power supply stability is good, and therefore electric shock accidents during the plugging and the unplugging of the plug-in part are prevented, and life safety of people is guaranteed; the operation of the whole device is safe and reliable, and the locking and unlocking operations of the plugging columns and the plug are simple and convenient, and the unplugging of the plug-in part is convenient and labor-saving.

The invention discloses a power supply system capable of locking operation. The power supply system comprises a power connection part and a power supply part, wherein the power connection part is connected with power utilization equipment via a wire, the power supply part is arranged on a wall body, the power connection part comprises a push block, two insertion rods are symmetrically arranged at a front end and a rear end of a right end surface of the push block, locking penetrating holes are formed in right ends of the two insertion rods, a power connector is arranged at a middle position of the right end surface of the push block, the power supply part comprises a seat body, a movable cavity is formed in the seat body, and an opening groove is formed in a middle position of a left end surface of the seat body and communicates with the movable cavity. In the whole device, disconnection and energization of the power connector, namely disconnection and energization of power utilization equipment can be completed by working of a motor, the power supply system is simple and convenient to operate, and is good in power supply stability and safe and reliable in running, and matching operation of the power connection and a power supply hole is simple and convenient.

The invention relates to a four-point contact ball bearing which comprises an outer ring, two separated inner rings, rolling bodies and a retainer, wherein pockets are uniformly distributed along the circumference of the retainer; the rolling bodies are respectively installed in pockets and arranged between the outer ring and the two inner rings; a fore shaft is formed at the inner side of each pocket on the retainer; each fore shaft comprises two arc-shaped merrowes which symmetrically expand to the central axis of the corresponding pocket; the total arc length of the two arc-shaped merrowesis two fifth or one third of the line contact arc length of the rolling bodies; and the arc-shaped merrowes and the hole walls of the pockets are in inclined plane transition. By the adoption of the invention, the assembly process can be simplified; the assembly efficiency and accuracy of the bearing are improved; the frictional resistance when the bearing operates is reduced; and the service life of the bearing is prolonged.

The invention provides a prestress grouted rock bolt which comprises a hollow screw rod, an anchoring element and an installing sleeve pipe, wherein the hollow screw rod comprises a first threaded section, a second threaded section and a threadless section; a clamping connector is arranged at the end part of the hollow screw rod; a grouting passage is formed inside the hollow screw rod; the anchoring element comprises a base, a pushing screw nut and at least three support units; each support unit comprises an upper support element, a lower support element and a jacking head; a clamping connection groove is formed in the base; the pushing screw nut is arranged on the first threaded section; the clamping connection groove is clamped and connected onto the clamping connector; the hollow screwrod is limited to be only capable of rotating around an axial line of the hollow screw rod; the installing sleeve pipe is connected outside the hollow screw rod of the anchoring element in a sleevingway; ejection ends extend out from the position limiting groove of the installing sleeve pipe; and the rotating hollow screw rod can drive the pushing screw nut to move on the first threaded section,so that the distance between the ejection end of each support unit and the drill hole wall is regulated. The invention also provides an installing and recycling method of the prestress grouted rock bolt. The prestress grouted rock bolt has great anchoring force, can be recycled and can achieve different anchoring goals.

The invention discloses bridge building equipment. The bridge building equipment comprises an electric connector connected with an electric equipment facility through a line, and a main frame, whereina bottom plate is fixedly mounted on the bottom end surface of the main frame, and a plurality of electric connecting frames are arranged in the main frame; a slot is formed in the front end surfaceof each electric connecting frame, and is used for allowing the electric connector to penetrate through for cooperating connection; a first electric connecting pin is arranged in the center of the rear end surface of the electric connector; a front keyhole and a rear keyhole which are in front-and-back equal arrangement and separately penetrate through the electric connector in a left-and-right manner are formed in the electric connector; a first electric connecting hole in cooperating connection with the first electric connecting pin is formed in the center of the rear end wall of each slot;and a left sliding hole which communicates with the corresponding slot is formed in the left end wall of each slot, a right sliding hole which communicates with the corresponding slot is formed in theright end wall of each slot, and each left sliding hole and the corresponding right sliding hole are oppositely formed. According to the bridge building equipment disclosed by the invention, lockingand unlocking of the electric connector can be completed through a driving machine, and electrifying and power failure of the first electric connecting hole can also be completed; the operation is simple and convenient; and during building construction, the bridge is safer and stabler, and the electricity supply stability is good.

The invention discloses a power plugging power supply device comprising a power connection component which is connected with electricity utilization equipment and a power supply component which is arranged in the wall. The power connection component comprises a push-pull block. The front and rear ends of the right end surface of the push-pull block are symmetrically provided with two inserting rods. The right end of each of the two inserting rods is provided with a locking slot. The middle of the right end surface of the push-pull block is provided with a plug. The power supply component comprises a base body. The left end surface of the base body is provided with an accommodating slot which is used for being cooperatively connected with the push-pull block, wherein the opening of the accommodating slot is towards the left. The middle of the right end wall of the accommodating slot is provided with power supply jacks used for being cooperatively connected with the plug. The power plugging power supply device is simple in structure and great in power supply stability so that the electric shock accident can be avoided while the power connection component is unplugged and the life safety of people can be guaranteed; besides, the whole device operates safely and reliably, locking and unlocking operation of the inserting rod and the plug is easy and convenient, and unplugging of the power connection component is convenient and labor-saving.

The invention discloses an electric power supply device including an electricity receiving part connected with electric equipment through a cable, and a power supply part arranged in the wall body. The electricity receiving part comprises a push plate, a plug is arranged on the right end face of the push plate, a first push inclined surface is arranged on the left side of the top end face of the push plate, the power supply part comprises an outer shell, a sliding cavity is formed in the outer shell, and a groove is formed in the bottom of the left end face of the outer shell. According to theinvention, the structure is simple, the power supply stability is good, an electric shock accident is avoided while the electricity receiving part is inserted or pulled out; the life safety of peopleis guaranteed, the whole device is safe and reliable, the locking and unlocking operation of the push plate and the plug is simple and convenient, and when the lock is unlocked, the pushing plate ispushed leftwards by a distance through an annular sliding block, so that the electricity receiving part can be pulled out conveniently and effortlessly.

The invention discloses a new energy automobile device. The new energy automobile device comprises a charging gun and a charging pile body, wherein the charging gun and the charging pile body are connected with a new energy automobile through cables. The charging gun comprises a pulling plate, two inserting columns are symmetrically arranged at the front end and the back end of the right end face of the pulling plate, penetrating grooves are formed in the right ends of the two inserting columns correspondingly, and a touch block is arranged at the middle end of the right end face of the pulling plate; and the charging pile body comprises a frame body, a cavity is formed in the frame body, and an opening communicating with the cavity is formed in the middle end of the left end face of the frame body. The whole device can complete power-off and power-on of the touch block through work of a motor, namely power-off and power-on of the new energy automobile, operation is simple and convenient, the power supply stability is good, operation is safe and reliable, and cooperative operation of the touch block and an electric connecting hole is simple and convenient.

The invention discloses a robot device which comprises an electric connecting member and an electric incoming member, wherein the electric connecting member and the electric incoming member are connected with a robot through lines. The electric connecting member comprises a pushing-and-pulling block. The front end and the back end of the right end surface of the pushing-and-pulling block are symmetrically provided with two insertion rods. The right end of each of the two insertion rods is provided with a through chamber. The middle part of the right end surface of the pushing-and-pulling block is provided with a contact. The electric incoming member comprises a housing which is internally provided with a trough. The middle part of the left end surface of the housing is provided with a chamber which is connected with the trough. The whole device can finish switching-off and switching-on of the contact through operation of one motor, namely switching-off and switching-on of the robot. The robot device has advantages of simple and convenient operation, high power supplying stability, safe and reliable operation, and simple and convenient matching operation between the contact and the electric connecting member.

The invention belongs to the technical field of machinery, relates to a buckle assembly type mahjong machine control disk, and resolves technical problems of existing unreasonable designs and the like. The buckle assembly type mahjong machine control disk comprises a disk body, an accommodation chamber for placing a dice is arranged at the center of the disk body, a seal cover made of transparent materials is fixed at a position of an opening of the accommodation chamber, a plurality of button holes located on the periphery of the accommodation chamber are arranged on the disk body, a button is mounted in each button hole, the seal cover is fixed at a position of the opening of the accommodation chamber through a pressing ring with a pressing edge arranged at the upper end of the pressing ring, and a buckle type limiting structure capable of blocking the pressing ring to continue rotating when the pressing ring clockwise or anticlockwise rotates is arranged between the pressing ring and the opening of the accommodation chamber. The buckle assembly type mahjong machine control disk has the advantages of being reasonable in design, simple in structure, easy to assemble, and high in structure strength; a membrane isn't separated from a panel even if the disk is used for a long time or the temperature changes in a wide range, and the service life is long; and the buttons are ergonomically designed, good in pressure touch, not easy to abrade, and easy to process and manufacture.

The invention relates to a heating device for butting of plastic pipes. A heating clamp for a steel-plastic composite pipe comprises a heating mechanism and a clamping mechanism, wherein the heating mechanism comprises an electromagnetic heating ring and a drive control circuit for the electromagnetic heating ring, the electromagnetic heating ring comprising an insulating case and an excitation coil inside the case, and the excitation coil being electrically connected with the drive control circuit for the electromagnetic heating ring; the clamping mechanism comprises two hold hoops and an axial approaching mechanism which enables the two hold hoops to axially move closer, the axial approaching mechanism comprising springs. According to the heating clamp for the steel-plastic composite pipe, pipelines and pipe fittings can be always in a tightly resisted state during the butting process, and no open flame is needed to melt the plastic layer, so that problems of loose-sealed pipeline systems caused by unchanged initial positions of relative positions of the pipelines and the pipe fittings during the process of butt fusion for the steel-plastic composite pipe, and problems of poor safety and harmful gases caused by heating using open fires can be resolved.

The invention provides a robot for spraying production, and belongs to the technical field of robot equipment. The robot for spraying production comprises two transverse moving components, a verticalmoving component, a robot body, a PLC (Programmable Logic Controller) and a cable arranging tank, wherein each transverse moving component comprises two transverse plates, transverse lead screws arranged on the two transverse plates, a transverse motor, and a transverse base fixed on transverse lead screw nuts in a sleeving manner; the vertical moving component comprises a vertical plate fixed onthe two transverse bases, a vertical lead screw fixed on the vertical plate, a vertical motor, and a vertical base fixed on a vertical lead screw nut in a sleeving manner; the cable arranging tank isarranged at one side of the vertical lead screw and comprises a U-shaped tank body and a circular arc-shaped cover fixed at one end of the top of the tank body; a plurality of cable intercepting rodsare arranged between the cover body and the other side of the top of the tank body; and the PLC is fixed at one side of the top surface of the vertical plate. The robot for spraying production can realize the automatic spraying at arbitrary positions and is convenient for arranging the cables.

The invention discloses a safe bridge equipment, which comprises an electric connection part and an electric connection seat connected with electrical facilities through a cable, the electric connection part includes a push bar, and the front and rear ends of the right end surface of the push bar are mutually symmetrically arranged There are two plug-in boards, the right ends of the two plug-in boards are provided with openings, the middle point of the right end face of the push bar is provided with a bumper, the electric socket includes a shell, and an empty slot is arranged in the shell, The middle point of the left end face of the housing is provided with an opening communicating with the empty slot. The whole device can complete the power-off and power-on of the meeting head through the operation of a motor, that is, the power-off and power-on of electrical facilities. The operation is simple and convenient, and the power supply is stable. Good performance, safe and reliable operation, and the cooperation between the head and the electrical connection hole is simple and convenient.

The invention discloses a flat panel display support frame for a hospital information desk. The flat panel display support frame comprises a bracket and a clamping device, wherein one end of the bracket is fixedly arranged on a base, and the clamping device is movably connected to the other end of the bracket. The flat panel display support frame is characterized in that the clamping device comprises a flat panel display placing plate, wherein a first clamping strip and a second clamping strip are correspondingly arranged at the upper end and the lower end of the flat panel display placing plate, a square-shaped placing area is formed among the first clamping strip, the second clamping strip and the flat panel display placing plate, a flat panel display is placed in the square-shaped placing area, and inserting strips are arranged at the lower ends of the first clamping strip and the second clamping strip in a distributed mode; and strip-shaped inserting holes are formed in the flat panel display placing plate, the strip-shaped inserting holes are formed in the flat panel display placing plate in the vertical direction of the flat panel display placing plate, the strip-shaped inserting holes and the inserting strips are matched with one another, the inserting strips can slide in the strip-shaped inserting holes without being separated from the strip-shaped inserting holes; andelectromagnetic chucks and suction blocks are correspondingly arranged on the inserting strips of the first clamping strip and the second clamping strip. The flat panel display support frame has a simple structure and can firmly support a flat panel display device.

The invention discloses a novel power plugging power supply device comprising a power connection component which is connected with electricity utilization equipment and a power supply component whichis arranged in the wall. The power connection component comprises a push-pull block. The front and rear ends of the right end surface of the push-pull block are symmetrically provided with two inserting rods. The right end of each of the two inserting rods is provided with a locking slot. The middle of the right end surface of the push-pull block is provided with a plug. The power supply componentcomprises a base body. The left end surface of the base body is provided with an accommodating slot which is used for being cooperatively connected with the push-pull block, wherein the opening of the accommodating slot is towards the left. The middle of the right end wall of the accommodating slot is provided with power supply jacks used for being cooperatively connected with the plug. The novelpower plugging power supply device is simple in structure and great in power supply stability so that the electric shock accident can be avoided while the power connection component is unplugged andthe life safety of people can be guaranteed; besides, the whole device operates safely and reliably, locking and unlocking operation of the inserting rod and the plug is easy and convenient, and unplugging of the power connection component is convenient and labor-saving.

The invention discloses robot equipment. The robot equipment comprises a power connection body and a power input body which are connected with a robot. The power connection body comprises a push-pull block, the front end and the rear end of the right end face of the push-pull block are symmetrically provided with two inserting arms, the right ends of the two inserting arms are each provided with a lock groove, and a contact terminal is arranged in the middle of the right end face of the push-pull block. The power input body comprises a base, a suction cup is fixedly installed at on the bottom end face of the base, the left end face of the base is provided with a containing groove of which an opening part faces leftwards, the containing groove is used for being connected with the push-pull block in a matched mode, and a power input groove which is used for being connected with the contact terminal in a matched mode is arranged in the middle of the right end wall of the containing groove. According to the robot equipment, the structure is simple, the power supply stability is good, the using safety of the electrified robot is improved, the whole equipment is safe and reliable in operation, locking and unlocking of the inserting arms and the contact terminal are easy and convenient, and the power connection body can be pulled out conveniently with less effort.

The invention discloses a stable power supply plug-in device which comprises a power insertion component connected to electrical equipment through a wire and a power supply component connected to themains supply. The power insertion component comprises a hand-held body, the front and back ends of a right end face of the hand-held body are symmetrically provided with two insertion rods, and the right end of each of the two insertion rods is provided with a positioning slot. The middle of the right end face of the hand-held body is provided with a plug. The power supply component comprises a casing, a left end surface of the casing is provided with a power supply hole which has an opening facing the left and is connected to the plug in a matched way. The front and back ends of a left end face of the casing are symmetrically provided with insertion rod grooves which are connected to the insertion rods in a matched way. The stable power supply plug-in device has the advantages of a simplestructure and good power supply stability, electric shock accidents in inserting and pulling the power insertion component are avoided, the life safety of people is ensured, the operation of the whole device is safe and reliable, the locking and unlocking operations of the insertion rods and the plug are simple and convenient, and the pulling of the power insertion component is convenient and labor-saving.

The invention discloses an electric power plugging system stable in connection, comprising a plug and a socket. A right end face of the plug is provided with an electricity connecting contact. An upper end face and a lower end face of the plug are symmetrically provided with two locking grooves. The left end face of the socket is provided with a slot extending toward right. An upper end and a lower end of the right part of the slot are symmetrically provided with two ejection sliding grooves communicated with the slot. The slot is internally provided with an ejection plate which extends towardthe two ejection sliding grooves and slides left and right in the ejection sliding grooves. The system is simple in structure and good in power supply stability, electric shock accidents when the plug is pulled out are prevented, life safety of people is guaranteed, and a whole device is safe and reliable in operation, and reasonable in structural design. Locking and unlocking operation of the plug is simple and convenient, and the system is suitable for popularization and usage.

The invention discloses an electric power plugging system, which comprises a plug and a socket. An electric contact is arranged on the right end surface of the plug. Two locking grooves are symmetrically arranged on the upper and lower ends of the plug. The left end surface of the socket is There is a slot extending to the right on the top, and two ejection sliding slots communicating with the slot are arranged symmetrically at the upper and lower ends of the right part of the slot. The ejector plate that extends in the ejection sliding groove and can slide left and right in the two ejection sliding grooves has a simple structure and good power supply stability, avoids electric shock accidents when the plug is pulled out, and protects people's safety. Life is safe, and the whole device is safe and reliable in operation, the structure design is reasonable, the locking and unlocking operation of the plug is simple and convenient, and it is suitable for popularization and use.

The invention discloses a safely-lockable power supply device. The device comprises a plug main body and a power supply socket main body, wherein the plug main body is connected with a power-using device through a cable, and the plug main body can be plugged into the power supply socket main body which in matched connection with the plug main body; the middle of the top end surface of the plug main body is provided with a plug; a locking through hole which extends along a left-and-right direction is formed in the plug main body; and a connection groove is formed in the bottom surface of the power supply socket main body. According to the whole device, by means of manual operation, the locking and unlocking of the plug main body can be completed, and the energization and de-energization ofa power supply hole can be completed, and therefore, operation is simple and convenient. When the device is used, at first the plug main body is locked, and then, power is supplied for the power-usingdevice; when the device is not used, at first, the power-using device is de-energized, and then, the plug main body is unlocked; and therefore, the use of the device is safer and more stable, electric shock accidents which occur when the plug main body is plugged and pulled out can be avoided. The stability of the power supply of the whole device is high, and the operation of the device is safe and reliable.

The invention discloses an improved power plugging power supply device comprising a power connection component which is connected with electricity utilization equipment and a power supply component which is arranged in the wall. The power connection component comprises a push-pull block. The front and rear ends of the right end surface of the push-pull block are symmetrically provided with two inserting rods. The right end of each of the two inserting rods is provided with a locking slot. The middle of the right end surface of the push-pull block is provided with a plug. The power supply component comprises a base body. The left end surface of the base body is provided with an accommodating slot which is used for being cooperatively connected with the push-pull block, wherein the opening of the accommodating slot is towards the left. The middle of the right end wall of the accommodating slot is provided with power supply jacks used for being cooperatively connected with the plug. The power plugging power supply device is simple in structure and great in power supply stability so that the electric shock accident can be avoided while the power connection component is unplugged and the life safety of people can be guaranteed; besides, the whole device operates safely and reliably, locking and unlocking operation of the inserting rod and the plug is easy and convenient, and unplugging of the power connection component is convenient and labor-saving.

The invention provides a new energy automobile intelligent identification charging interface. The problems that under the action of factors such as external force, a charging gun is separated from charging equipment, a metal charging head is exposed, safety accidents are caused, and corresponding troubles are brought to a user when the charging gun is damaged are effectively solved. A charging connector is coaxially and fixedly connected to the left end face of the charging gun, a driving ball located on the right side of the charging connector is fixedly connected to the front side face of the charging gun, a fixed outer ring is connected to the left side of the charging connector, and a gear ring is rotationally installed at the inner end of the left side of the fixed outer ring. A plurality of driving gears engaged with the gear ring are rotationally mounted at the inner end of the left side of the fixed outer ring. Through cooperative use of a driving ring, a threaded groove, the driving gear and a crescent plate, the interior of the driving ring can be blocked or opened, and then the situation that a metal charging head in an interface is touched unintentionally, and consequently safety accidents are caused is prevented.

The invention discloses improved power supply plugging equipment. The improved power supply plugging equipment comprises a power connection part connected with electric equipment and a power supply part connected with the mains supply, the power connection part is connected with the electric equipment through a cable and comprises a main body part, a plug is arranged in the right end face of the main body part, a detachable limiting baffle plate is arranged on the left side of the bottom end face of the main body part, the power connection part comprises a base station, an indent opening is arranged in the bottom part of the left end face of the base station, and a lower groove is arranged in the wall at the right end of the indent opening. The improved power supply plugging equipment is simple in structure, the power supplying stability is good, the main body part is safely and firmly locked, the operations of locking and unlocking the main body part are simple and convenient, a powersupplying hole is always at the power-off state when the main body part is inserted into or unplugged out of an installation groove, the electric shock accident caused when the main body part is inserted into or unplugged out of the installation groove is avoided, the life safety of people is guaranteed, and the whole device runs safely and reliably.

The invention discloses a rubber sealing plug for airtight test. The rubber sealing plug comprises a vertical outer sleeve pipe, conical tensioning sleeves are arranged at the upper end and the lowerend of the outer sleeve pipe, a plurality of cut grooves are arranged on each tensioning sleeve, the outer sleeve pipe is provided with an outer rubber sleeve in an inserted and sleeved manner, the upper inner wall and the lower inner wall of the outer rubber sleeve are pasted and fixed to the outer walls of the tensioning sleeves, the tensioning sleeve at the lower end of the outer sleeve pipe isinternally connected with a circular-truncated-cone-shaped downward pressing plate in an inserted manner, a vertical inner insert pipe is arranged at the middle of the downward pressing plate, the upper end of the inner insert pipe penetrates through a circular-truncated-cone-shaped upward pressing plate to be provided with a ring-shaped blocking ring, a threaded connection seat is arranged on the upper end surface of the blocking ring, the threaded connection seat is connected with an air pipe rapid connector in a screwed manner, the upward pressing plate presses against the inner wall of the tensioning sleeve at the upper end of the outer sleeve pipe, the part, on the upper side of the upward pressing plate, of the inner insert pipe is connected with a pressure spring in an inserted manner, two ends of the pressure spring press against the upward pressing plate and the blocking ring correspondingly, the inner insert pipe is fixedly provided with an inner rubber sleeve in an insertedand sleeved manner, and the outer wall of the inner rubber sleeve presses against the inner wall of the outer sleeve pipe. The rubber sealing plug for the airtight test can meet the airtight test ofa radiator under larger air pressure.

The invention discloses a firmly connected new energy vehicle device. The firmly connected new energy vehicle device comprises a charging gun connected with a new energy vehicle through a cable and acharging pile body connected with a mains supply. The charging gun comprises a hand-pinch piece, and two inserting arms are symmetrically arranged at the front and rear ends of the right end surface of the hand-pinch piece; and locking grooves are formed in the right ends of the two inserting arms, and a tactile rod is arranged at the middle end of the right end surface of the hand-pinch piece. The charging pile body includes a body sleeve, and a hook is fixedly mounted on the upper portion of the right end surface of the body sleeve; and a power-connecting hole of which an end opening facingleft for being connected with the tactile rod in a matched mode is formed in the left end surface of the body sleeve, and inserting arm grooves for being connected with the inserting arms are symmetrically formed in the front and rear ends of the left end surface of the body sleeve. According to the firmly connected new energy vehicle device, the structure is simple, the power supply stability isgood, the situation that electric shock accidents occur when the charging gun is inserted or removed is avoided, and the safety of the new energy vehicle during charging is ensured; and the operationof the whole device is safe and reliable, the locking and unlocking operation of the inserting arms and the tactile rod is simple and convenient, and the charging gun is convenient to pull out to saveeffort.

The invention discloses an improved new energy automobile device. The improved new energy automobile device comprises a charging gun connected with a new energy automobile and a charging pile body connected with commercial power, wherein a charging part is fixedly mounted on the left and upper end face of the charging pile body, and a base is fixedly mounted at the bottom end face of the chargingpile body; the charging gun is connected with the new energy automobile through a cable; the charging gun comprises a plastic part, an electricity connection block is arranged on the right end face ofthe plastic part, and a detachable baffle plate is arranged on the left side of the bottom end face of the plastic part; the charging part comprises a rack body, an open cavity is formed in the bottom of the left end face of the rack body, and a penetrating cavity is formed in the right end wall of the open cavity. The improved new energy automobile device is simple in structure and high in powersupply stability, the plastic part is locked safely and firmly, the locking and unlocking operations of the plastic part are simple and convenient, and the electricity connection cavity is in a power-off condition all the time when the plastic part passes into or is pulled out of a feeding groove, so that the occurrence of an electric shock accident when the plastic part passes into or is pulledout of a feeding groove is avoided, the life safety of people is ensured, and the whole device is safe and reliable in operation.

The invention provides a combined kitchen ware facilitating vegetable cutting with a single hand. The combined kitchen ware facilitating vegetable cutting with the single hand comprises a kitchen knife and a combined type cutting board, wherein the kitchen knife comprises a knife body and a hilt; the combined type cutting board comprises a base, a front baffle, a fixing plate, a rear baffle, a side baffle, a cutting board main body and a plurality of auxiliary supports; the knife body is provided with a knife main body and a blade which is connected with the knife main body; the hilt is connected with the knife main body and is held by a user; the base comprises a bottom plate and a fixed block which is fixed on the bottom plate; the front baffle is upwards arranged at the front end of thebottom plate along the vertical direction of the bottom plate; the fixed plate is arranged on one side of the bottom plate, is connected with one end of the front baffle, and is provided with a plurality of grooves; the rear baffle is arranged at the rear end of the bottom plate and is connected with the end, which is away from the front baffle, of the fixing plate; the side baffle is arranged onthe other side of the bottom plate and is connected with the end, which is away from the fixing plate, of the rear baffle; the cutting board main body is placed above the fixing block and the rear baffle; and the auxiliary supports are used for carrying food materials and are detachably arranged in the grooves.

The invention discloses a practical dust remover equipment, which comprises a power transmission part connected to the dust collector through a cable and a power transmission seat. Two bolts, the right ends of the two bolts are provided with over grooves, the center of the right end surface of the push rod is provided with a contact arm, the power transmission seat includes a base, and a hollow groove is arranged in the base. The center of the left end face of the base is provided with an entrance connected to the hollow groove. The whole device can complete the power-off and power-on of the contact arm through the operation of a driving machine, that is, the power-off and power-on of the dust collector. The operation is simple and convenient, and the power supply Good stability, safe and reliable operation, and the cooperation between the contact arm and the power transmission port is simple and convenient.