72results about How to "Stable power connection" patented technology

An electrical connector includes a receptacle connector and a plug connector. A first fixture and a second fixture are each arranged on at least one end in the longitudinal direction of the receptacle and plug connectors, respectively. The first and second fixtures each have connection portions to be connected to a respective substrate. The first and second fixtures include at least three engaging portions and at least three anchoring portions, respectively. The engaging portions and anchoring portions are adapted to engage each other. At least one set of the engaging and anchoring portions engaged each other is caused to be in electrical continuity to use as a power supply connection. The electrical connector thus constructed is capable of sufficiently withstand any accidental external force when being fitted, and is also capable of ensuring a power supply connection without using many terminals, while keeping narrower pitches of conductors, and miniaturization and reduced overall height of the electrical connector.

The invention discloses an air purification device which comprises an air purifier, a joint part connected with an electrical connection seat purifier by an electrical connection wire, and an electrical connection seat arranged on the front end face of a machine body. A control region is arranged at the center of the front end face of the purifier; an atomization opening is formed on the front end face of the purifier above the control region; an external screwing part is arranged on the front end face of the electrical connection seat; a through hole is formed in the external screwing part; an insertion slot is formed in the electrical connection seat at the rear side of the through hole; a second insertion needle is arranged on the inner wall of the rear side of the insertion slot; a first empty slot is formed in the electrical connection seat behind the insertion slot; a hole slot is formed on the inner wall of the rear side of the first empty slot; a pushing block is arranged in the first empty slot at the front side of the hole slot; a pushing spring plate is arranged between the end face of the rear side of the pushing block and the hole slot; guide feeding rods are correspondingly arranged in the first empty slot at both sides of the pushing spring plate; the guide feeding rods are movably matched and connected with the pushing block; a pressed-against rod which passes through an inner wall body of the electrical connection seat and extends into the insertion slot is arranged at the front end side of the pushing block; concave parts are formed in the left and right side end walls of the pushing block; a spline rotating shaft is correspondingly arranged in the first empty slot outside the pushing block; the rear side end of the spline rotating shaft is connected with a motor. The air purification device disclosed by the invention is simple in structure, convenient to operate, high in purification capacity and stable in power supply connection, and has an electric shock protection function; an electric shock accident is prevented; safety and stability of power supply are improved.

The invention discloses a direction board device for a bridge. The direction board device for the bridge comprises a base. A pushing cavity is formed in the base. Sliding connection cavities are formed in the upper side and the lower side of the pushing cavity correspondingly. Each sliding connection cavity is provided with a spiral rod, and the right side end of each spiral end is in power connection with a first driver. A sliding connection block is arranged in the pushing cavity. Pushing blocks extending into the sliding connection cavities correspondingly are arranged on the upper side and the lower side of the sliding connection block correspondingly. The pushing blocks are connected with the spiral rods through spiral threads in a matched mode. An external spiral thread joint part is arranged on the left side of the sliding connection block. A storage tank is arranged in the external spiral thread joint part. Sliding holes are formed in the position, on the right side of the storage tank, in the sliding connection block. Plug holes are formed in the corresponding inner wall, on the right side of the sliding holes, of the base. A direction board is arranged on the left side of the storage tank correspondingly. The direction board device for the bridge is simple in structure, convenient to operate and high in safety, power supply connection is firm, and the risk that people get an electric shock when touching the plug holes is effectively avoided.

The invention discloses bridge equipment. The bridge equipment comprises a shell and a port part arranged on maintenance equipment, wherein an accommodating cavity is formed in the shell; a placement groove is formed in the outer side end plane of the shell on the right side of the accommodating cavity; a connecting hole is formed between the placement groove and the accommodating cavity; a first sliding groove, the top of which is connected with the accommodating cavity, is formed in the inner bottom wall on the right side of the accommodating cavity; a second sliding groove is formed in the center of the first sliding groove in a run-through manner, and the second sliding groove is connected with the first sliding groove; a rotary shaft is arranged in the accommodating cavity; the top of the rotary shaft is connected with a first driver in a matching manner; a reel is fixedly arranged on the rotary shaft; the reel is wound with a cable; a power-on end is arranged in the placement groove; an inserting column, connected with the connecting hole in a matching manner, is arranged on the left side end plane of the power-on end; the left side end plane of the inserting column is fixedly connected with the cable; a jointing block is arranged in the power-on end; and a bump is arranged on the right side end plane of the jointing block. The bridge equipment is simple in structure, convenient to operate, stable and firm in connection, and high in safety.

The invention discloses a safety plug. The safety plug comprises a shell, the inner wall of the shell is rotationally connected with a rotating shaft through a torsional spring; a turntable is fixed at the upper end of the rotating shaft; the turntable is rotatably connected with the side wall of the shell in a penetrating manner; and two symmetrical power connection columns are inserted into theupper end of the turntable, anti-falling mechanisms are arranged in the two power connection columns correspondingly, conduction columns penetrating through the turntable are fixed to the ends, closeto the rotating shaft, of the two power connection columns correspondingly, and the inner wall of the shell is rotationally connected with power-off columns abutting against the two conduction columnsthrough torsional springs correspondingly. The safety plug has the advantages that the volume change is caused by the form change of electrorheological fluid in the expansion cavity after the electrorheological fluid is electrified; a push plate and a push block are pushed, so that a clamping block is moved out of a sliding groove to form a protrusion outwards to effectively prevent the power connection columns from moving, the power connection columns cannot be separated from a socket, the plug is prevented from being separated from the socket in the power utilization process, the plug can be pulled by the outer wall to a certain extent, and a user does not need to worry about that the plug falls off easily.

The invention discloses a high-stability line connector which comprises a socket and a plug. The plug is composed of a plug body and two power connection rods on the plug body, two symmetrically-arranged insertion grooves are formed in the side wall of the socket, a shifting groove is formed in the side wall of the socket, and the inner wall of the shifting groove is connected with a baffle through a reset spring. And the two power connection rods penetrate through the baffle and are slidably connected with the inner walls of the two inserting grooves correspondingly, power connection groovesare formed in the inner bottoms of the two inserting grooves correspondingly, power connection mechanisms are arranged in the two power connection grooves correspondingly, and each power connection mechanism comprises two symmetrically-arranged power connection heads. The connector has the advantages that through the arrangement of a power connection bag, after the power connection rod is inserted, the power connection bag is extruded to deform so that the power connection bag wraps the power connection rod through self deformation, the power connection rod can be kept stable in a whole powerconnection process, and poor contact of a power connection position due to frequent connection and insertion is avoided.

A road bridge warning indicator comprises a mounting seat fixedly mounted in a bridge body and a mounting head matched with the mounting seat. The mounting seat comprises an inserting groove with an outlet facing the front end and electric connection grooves symmetrically formed in the two side walls of the inserting groove. Vertical sliding grooves are further formed in the rear ends of the electric connection grooves. Lead-in grooves communicating with the inserting groove are formed in the inner sides of the vertical sliding grooves. Partitioning parts are mounted in the vertical sliding grooves in a sliding mode. Pushing rods are mounted in the lead-in grooves in a sliding mode. The outer side ends of the pushing rods are fixedly connected with the rear ends of the partitioning plates, and the inner side ends of the pushing rods extend into the inserting groove. First elastic pieces are fixedly mounted in the rear end walls of the vertical sliding grooves. The front ends of the first elastic pieces are fixedly connected with the rear end walls of the partitioning plates. Electricity connection elastic sheets are mounted in the electric connection grooves.

The invention discloses a mistaken-touch-preventing power strip for industrial production. The power strip includes a shell, and a fixing frame is fixed to the inner bottom of the shell. Two symmetrically-arranged power connection plates are fixed to the upper end of the fixing frame. The upper ends of the two power connection plates are connected with power connection sheets through compression springs; a bearing plate is fixed to the inner top of the shell through a bearing spring, a self-locking button penetrating through the top of the shell is fixed to the upper end of the bearing plate,an inserting rod is fixed to the bottom of the self-locking button, a connecting ring is fixed to the circumferential side wall of the inserting rod, and the bottom of the inserting rod is connected with piezoelectric ceramic through a compression spring. The power strip has the advantages that when the inserting rod moves downwards, a connecting ring drives the power connection sheets to move downwards, then the compression springs contract, the connecting ring and the power connection sheets are tightly attached under the elastic force effect of the compression springs, the power connectionprocess is stable and cannot be affected by external vibration and the like, and power failure caused by large vibration of a workshop in the industrial production process is avoided.

The invention discloses a novel advertising lamp box fixing device. The device comprises a seat body and an advertising lamp box in matched connection with the seat body which are arranged in a building body, the bottom end face of the seat body is provided with an inserting cavity, the left and right end walls of the inserting cavity are correspondingly provided with transverse grooves communicated with the inserting cavity and extending transversely, the inner end wall of one side, back on to the inserting groove, of each transverse groove is fixedly provided with a first compressed spring,the end portion of one side, near the inserting groove, of each first compressed spring is fixedly connected with a partition plate, the end portion of one side, back on to each first compressed spring, of the corresponding partition plate is provided with a first oblique guiding surface facing downward. According to the novel advertising lamp box fixing device, the locking of the advertising lampbox is firm, the advertising lamp box is prevented from falling down to cause accidents, the power connection of the advertising lamp box is safe and stable, thereby an advertising lamp box screen isprevented from loosening and falling off, it is prevented that power failure affects the normal use of the advertising lamp box, the whole device is convenient and quick to operate, greatly improvesthe assembly and disassembly efficiency of the advertising lamp box, and effectively avoids electric shock accidents when the advertising lamp box is assembled and disassembled.

The invention discloses an improved advertisement lamp box fixing device. The improved advertisement lamp box fixing device comprises a base body arranged in a building body and an advertisement lampbox cooperatively connected with the base body, an inserting cavity is formed in the bottom end face of the base body, transverse grooves which are communicated with the inserting cavity and extend left and right are correspondingly formed in the left end wall and the right end wall of the inserting cavity, first compressed springs are fixed to the inside end walls of the sides, away from the inserting cavity, of the transverse grooves, isolation plates are fixedly connected to the ends of the sides, close to the inserting cavity, of the first compressed springs, and first slant guide faces facing the lower portion are arranged at the ends of the sides, away from the first compressed springs, of the isolation plates. An advertisement lamp box is firmly locked, an accident caused by crushing is prevented, the advertisement lamp box is safe and stable in electricity, the advertisement lamp box is prevented from loosening, it is avoided that outage influences normal use of the advertisement lamp box, the whole improved advertisement lamp box fixing device is convenient to operate, the installing and detaching efficiency of the advertisement lamp box is greatly improved, and an electric shock accident caused when the advertisement lamp box is installed and detached is effectively avoided.

The invention discloses safety power drawer cabinet equipment, and the equipment comprises a cabinet seat and a drawer cabinet disposed at the left side of the cabinet seat. The interior of the cabinet seat is provided with a push cavity, and the upper and lower sides of the push cavity are oppositely provided with sliding cavities. The interior of each sliding cavity is provided with a spiral rod, and the right side end of the spiral rod is connected with a first motor. The interior of the push cavity is provided with a sliding block, and the upper and lower sides of the sliding block are oppositely provided with stopping blocks stretching into the sliding cavities. The stopping blocks and the spiral rod are in screw-thread fit connection with each other. The left side of the sliding block is provided with an external thread connecting part, and the interior of the external thread connecting part is provided with a push groove. The interior of the sliding block at the right side of the push groove is provided with a passing-through hole, and the inner wall, opposite to the right side of the passing-through hole, of the cabinet seat is provided with a piece insertion hole. The push groove is opposite to the drawer cabinet. The equipment is simple in structure, is convenient to operate, is high in safety, is more stable in power supply connection, and effectively avoids the electric shock danger caused when a maintainer touches the piece insertion hole.

The invention discloses lossless circuit protection equipment which comprises a shell, two symmetrically-arranged power connection blocks and a buffer box are fixed to the inner wall of the shell, twosymmetrically-arranged power connection pieces are fixed to the inner wall of the buffer box, and the inner wall of the buffer box is connected with a power connection plate through a connection spring. The power connection plate is in sliding connection with the two power connection pieces in a sealed mode, a pair of power connection bags is embedded in the inner wall of each power connection block, the two pairs of power connection bags are jointly in sliding connection with a jitter rod, a slow release mechanism is arranged in the buffer box, and a trigger mechanism is arranged in each power connection block. The equipment has the advantages that: by arranging the power connection bags, the position of the jitter rod is ensured, so that the jitter rod effectively moves on the surface of the jitter rod and is not easy to disengage and misplace, the power connection stability is ensured, the jitter rod can deform to a certain extent, the jitter rod can be effectively coated, and thecondition of poor contact is avoided; and meanwhile, unnecessary abrasion can be reduced, so that the service life is prolonged.

The invention discloses an improved environment-friendly dust removal device, which comprises a ring base, a box body installed above the ring base, a telescopic block, an electrical coupling part and an electrical coupling head arranged in the telescopic block, and equidistant around the outer side of the ring base. The fixing ring, the fixing hole is provided in the fixing ring, the fixing bolt is arranged in the fixing hole, the insertion groove is arranged in the right end surface of the electrical connection part, the upper and lower inner walls of the insertion groove are correspondingly provided with lock holes, and the inside of the lock hole is penetrated. There is a sliding connection groove extended to both sides. A transmission cavity is provided in the electrical connection part on the left side of the insertion groove. There is a stopper between the transmission cavity and the extension section on the left side of the sliding connection groove. The end is provided with a first transfer shaft, and the transmission cavity on the upper and lower sides of the first transfer shaft is correspondingly provided with a second transfer shaft extending to the left and right sides, and the extension section on the right side of the second transfer shaft passes through The stopper is penetrated and connected with the running fit, the push plate is connected with the slide fit in the sliding joint groove, the left end surface of the push plate is provided with a threaded hole, and the threaded thread in the threaded hole is connected with the first threaded rod; The invention has the advantages of simple structure, convenient operation, high locking stability and high safety.

Provided is an anti-electric-shock self-bouncing and self-locking socket device. The device is a high-safety socket mainly composed of a linkage mechanism, a self-locking structure, a clamping structure and a spring. The clamping device is built in the bouncing device which can change looseness with the up-down movement of a plug. Sealing plates (15, 16) are arranged at the jacks of the socket. The sealing plates are locked or opened artificially or forcibly by means of the linkage mechanism and the spring. The alternate cooperation between the tightening and popping-up of the plug and the sealing and opening of the sealing plates is realized through key matching. The device has a built-in power connection device, can prevent electric shock during plugging and pulling of the plug, and hashigh safety performance. The device is convenient to use, waterproof and anti-electric-shock.