162results about How to "Prevent mis-insertion" patented technology

The present invention relates a connector for a portable multimedia device wherein an earphone for outputting a sound is integrated in a connector cable for transmitting a data, comprising a connector cable including a jack connector for coupling to a connection terminal of an audio device, the connector cable having a shape of a necklace; and a connector body connected to the connector cable, connector body housing a USB plug and an I/O plug, wherein the USB plug is detachable from the I/O plug. The connector of the portable multimedia device of the present invention may be used as the accessory such as the necklace, and may be used for a data exchange at a desired location. Therefore, in accordance with the connector of the portable multimedia device of the present invention, the earphone and the connector cable may be used independently.

A connector for connection to a printed circuit board includes a body, a plurality of contact pins on both side of the body, and an identification layer joined to one side of the body. In particular, the identification layer defines a plurality of holes for insertion of the contact pins. Further, the identification includes at least one character thereon for identifying function or use of the connector and a background in a color different from that of the character.

The invention discloses a fast wiring interlocking electrical connector, which comprises a plug and a socket. The plug mainly comprises a cover plate, a base, a wire locking mechanism and a sliding block, wherein the base comprises an elastic locking mechanism which is arranged outside the base; the wire locking mechanism and the sliding block are arranged in the base. The socket mainly comprises an integral base and monolithic Z-shaped compound spring leaves, wherein the tail ends of the Z-shaped spring leaves have a needle eye-shaped flexible pressure-welded structure and a rectangular welded structure respectively. The plug realizes fast wiring and wire locking by pushing the intermediate sliding block to commonly drive the opening and closing of wiring holes of two wire clamping springs. The elastic locking mechanism of the base realizes interconnecting locking and unlocking with the socket. The socket realizes the regulation of a contact distance between two poles and a distance between holes reserved at a board end. Simultaneously, the connector still has the advantages of simple structure, convenience and high speed of use, high connection reliability, high current carrying capability and the like.

Then invention provides multi-plate faulty detection devices and method used in place pieces of equipment, including the purchase of equipment for the transmission of the plate and has a more prepared, home of the district and the completion of at least one conveyor components and pieces at home district. The detection devices including scanners and processing devices, scanners used to scan the failure of the more board and mark on the area in preparation, processing device from electrical connections in the home between the machine and scanner to pieces in home before the operation, had already pre-scan the data which will be imported from the home machine. The machine from home not only for qualified home-plate pieces, but also save the public know uptake failed to mark squandered by the idle time to buy pieces of ongoing operations, production can elevate.

The invention provides a vacuum cleaner which can not only prevent the dust collecting bag from being started by mistake, but also make the dust collecting bag easy to assemble and disassemble. A dust collecting bag (9) with a sack coaming plate (8) and a machine cover (6) covering the top of the dust collecting chamber in a rotatable manner. The dust bag detection body (12) is provided on the machine cover, and the dust collection bag detection body is provided with: a raised part (12A) to prevent the machine cover from entering the closed state when the dust collection bag is not installed in the dust collection chamber, and A detection part (12B) for detecting that the dust bag has been loaded into the dust chamber. When the detecting part detects that the dust collecting bag has been loaded into the dust collecting chamber, the protruding part is displaced to a position where the machine cover enters a closed state. In this way, not only can prevent the machine cover from being closed by mistake when the dust bag is not installed, but also, the assembly and disassembly of the dust bag can be carried out by only one action, and the assembly and disassembly will become easy.

The invention comprises: a basal plate and at least one branch terminal base. The holes for line-in and line-out are located on the basal plate. A pluggable lightning proof module is electrically connected to the branch terminal base. A group of metal shielded trunks for line-in and line-out is located on the basal plate. A metal shielded cabinet houses the branching device. A grounded copper bus line is located at each branch terminal base. The branch base is secured with spring clasp. The invention provides many functions of module-misplugging proof, failure display, automatically turning off circuit and transmitting remote message, and can prevent the electromagnetic interference and second pollution of inductance lightening.

The invention discloses a pushing-in self-locking clustering radio-frequency coaxial connector assembly. The coaxial connector assembly comprises a clustering male joint radio-frequency coaxial connector and a clustering female joint radio-frequency coaxial connector; the clustering male joint radio-frequency coaxial connector comprises a male joint base body and an unit male joint connector; the clustering female joint radio-frequency coaxial connector comprises a female joint base body, an unit female joint connector and a back nut; a plurality of rolling ball holes are formed in the barrel body at the front end of the male joint base body in a circumferential direction; a rolling ball is movably embedded in each rolling ball hole separately; the clustering female joint radio-frequency coaxial connector also comprises a cylindrical push-pull sleeve; an inner stage is arranged on an inner hole in the front end of the barrel body of the push-pull sleeve; the inner stage has an outwardly-opened conical opening and an inwardly-tilted inward inclination front end plane; a groove is formed in the inner hole in the back end of the barrel body of the push-pull sleeve; and a spring is placed in the groove. The pushing-in self-locking clustering radio-frequency coaxial connector assembly can be locked tightly and automatically without pulling the push-pull sleeve backwardly by a hand in mutual matching; and the push-pull sleeve has dual functions of locking and unlocking, so that the locking force is higher, and higher convenience in operation can be realized.

The invention relates to a heat dissipation housing, which mainly solves the problems that an existing housing is poor in heat dissipation effect and does not have effectively waterproof and dustproof functions. The heat dissipation housing includes a shell and a bottom cover, the shell includes a top plate, a bottom plate, and a front plate, a first side plate, a rear plate and a second side plate which are connected end to end in sequence, the front plate, the first side plate, the rear plate and the second side plate are connected between the top plate and the bottom plate, thereby forming a cavity used for bearing a heat emission device, the shell is connected with the bottom cover through a sealing ring, a sealing ring installing groove is arranged on the connecting face of the shell and the bottom cover, the sealing ring is arranged in the sealing ring installing groove, a first connecting hole matched with the shell is arranged in the sealing ring, a second connecting hole matched with the shell is arranged in the bottom cover, by adoption of the technical scheme, the problems are well solved, and the heat dissipation housing can serve as a housing of a DC/DC converter.

A card connector comprises an insulating housing defining a card receiving space for accommodating two kinds of different cards in size; a plurality of contacts retained in the housing, and comprising a plurality of different contacting portions for electrically connecting with the different cards respectively; and at least a anti-misinsertion appliance disposed in the housing, and comprising a shutter member and an actuator member for controlling the shutter member to open and close so that the different cards are led into the correct contacting areas.

The invention provides a rectangular high and low frequency mixed connector assembly comprising a plug and a receptacle. The plug comprises a plug shell; a plug high frequency accessory and a plug low frequency accessory are installed in the plug shell; the receptacle comprises a receptacle shell; a receptacle high frequency accessory and a receptacle low frequency accessory are installed in the receptacle shell; the two sides of the plug shell are provided with an ear plate each; bolt sleeves are fixed in the ear plates and bolts are installed in the bolt sleeves; the front ends of the bolts penetrate through the ear plates; spring washers are arranged between the nuts of the bolts and the bolt sleeves; the left side and the right side of the receptacle shell are provided with a flange each; studs are fixed on the flanges; the front ends penetrate through the flanges and the rear ends of the studs are provided with threaded holes; the threaded holes are matched with the bolts of the plug shell. The connector assembly can transmit multiple paths of low frequency signals and high frequency signals, guarantee stable transmission of power supply, differential and radio frequency signals, and fully guarantee stable transmission of high frequency signals because the high frequency accessories are in both end face contact and elastic contact.

The invention discloses an external fire-fighting multi-medium quick joint, wherein a female air flue is arranged at a female joint of a water band, and an air hose is connected at the external port of the female air flue through a joint of a female air hose; a male air flue is arranged at a male joint of the water band, and an air hose is connected at the external port of the male air flue through a joint of a male air hose; after butt joint, the female air flue is communicated with the male air flue through a ventilating circular groove, and the ventilating circular groove is arranged outside the male joint of the water band and is communicated with the male air flue; a photoelectric cable via hole is axially formed at a joint ring and a female power supply optical fiber joint is arranged on the end part of the via hole, a fixed bracket is arranged on the outer wall of the male joint of the water band, and the photoelectric cable via hole is further formed in the fixed bracket; a male power supply optical fiber joint is arranged on the end part of the via hole, and the female power supply optical fiber joint and the male power supply optical fiber joint are coaxially jointed. According to the joint disclosed by the invention, multiple media are communicated just through one splicing movement, so that the joint is precise in abut joint, thereby winning precious time for rescuing a scene of fire and avoiding injuries and deaths of fire fighters and property loss.

The invention discloses an MPO/MTP cluster prefabricated optical cable component which comprises an adapter component, a first plug body component and a second plug body component. Two ends of the adapter component are open and through to form an inner cavity, a guide part is disposed in the middle of the inner cavity, and sealing bodies are respectively disposed on two sides of the guide part. The first plug body component is disposed outside a first optical fiber connector. One end, located at the head of the first optical fiber connector, of the first plug body component is provided with an opening to allow the head end face of the first optical fiber connector to be exposed. The second plug body component is disposed outside a second optical fiber connector. One end, located at the head of the second optical fiber connector, of the second plug body connector is provided with an opening to allow the head end face of the second optical fiber connector. The opening end face of the first plug body component and the opening end face of the second plug body component are respectively correspondingly connected with the sealing bodies in the adapter component. The head of the first optical fiber connector and the head of the second optical fiber connector are aligned and coupled in the guide part of the adapter part to achieve dust prevention and water prevention.

The invention provides a composite connector. The composite connector comprises a lengthwise metal plate and a plurality of radio frequency connectors, the metal plate is provided with a plurality ofaccommodating spaces which are arranged in the lengthwise direction of the metal plate, the plurality of radio frequency connectors are arranged in the corresponding accommodating spaces one by one, two ends of the metal plate are respectively bent to form positioning parts, and the left sides and the right sides of the positioning parts are asymmetrical in the lengthwise direction, so that the composite connector cannot be inserted by mistake in the reverse direction. Through the arrangement, the assembly efficiency of the radio frequency connectors in the composite connector is improved, andmeanwhile, the misplug risk is also reduced.

A card connector comprises a header comprising an insulating main body; a shield member coupled on the header to define a card receiving space; a plurality of first contacts and second contacts disposed in the insulating main body; a stopper approximately arranged in a row with the first contacts along a transverse direction and protruding into the card receiving space approximately from a corner of the main body, and spaced with the shield coupled on an upper face of the main body to define a daughter space therebetween with the second contacts exposed in to receive the second card.

The invention provides a plug connector and an electric connector combination. The plug connector comprises an insulating body and a plurality of male power terminals; a plurality of first terminal accommodating channels and a plurality of second terminal accommodating channels for accommodating the plurality of male power terminals are formed in the insulating body; every male power terminal is composed of a contact unit, a terminal tail unit and a fixing unit connecting the contact unit and the terminal tail unit; the insides of both the first terminal accommodating channels and the second terminal accommodating channels are provided with terminal clamping units; the fixing unit of every male power terminal is matched with the corresponding terminal clamping unit to fix the male power terminal into the corresponding terminal accommodating channel; the terminal clamping units of the first terminal accommodating channels and the terminal clamping units of the second terminal accommodating channels are arranged in a vertically staggered mode in the height direction of the plug connector.

A DC adaptor which can be installed, alternatively to a primary battery or a secondary battery, on a battery receiving section provided in an electronic apparatus. A DC adaptor (3) is connected to an AC/DC converter (35), installed on a battery receiving section (20) of an electric apparatus (1), and supplies DC power to the electric apparatus. In the DC adaptor, an insertion restriction section (41) is formed on an adaptor body (31) with a substantially circular tube shape. When inserted with correct polarities, the insertion restriction section (41) is guided by an insertion guide section (57) in the battery receiving section, and, when inserted with reversed polarities, the insertion restriction section (41) is restricted, by a side wall (58) on the insertion end side of the battery receiving section, from being inserted into the battery receiving section. The insertion restriction section is projected and formed in a rectangular shape on a part of the outer periphery of the adaptor body, the rectangular shape being in the longitudinal direction of the adaptor body. Two sides (41a, 41b) extended from a part of the outer periphery of the DC adaptor and forming the insertion restriction section are formed such that the center angle of a circular arc connecting their base end sections on the adaptor body is less than 90 DEG .

A medium process device (card reader 1) reading or writing information record medium comprises: insert opening (11a) front component (shade plate 11) supplies information record medium insert; the information record medium walks in a walking channel inside of the device body (12) from the insert opening (11); a curtain door (PIN curtain door 15) is arranged at the side end of the front component (11) of the device body relative to the walking channel entering/withdrawing and preventing the information recording medium from inserting into the device body (12); a dustproof component (dustproof plate 18) is arranged between the front component (11) and PIN curtain door (15) and seals the walking channel. Using the present invention, it can prevent card from retaining or prevent foreign body from mistaking to be inserted, have dustproof performance and security, and be easy to maintain and check.

The invention relates to a connector, comprising a shell with an FPC/FFC jack; first, second terminal groups respectively inserted/arranged on the shell from the jack direction and the opposite direction of the jack; a brake supported by the terminal of the second terminal group; an outer cover, wherein the first terminals of the first terminal group are in '-' shape; the second terminal of the second terminal group comprises a rotary motion support part, a second contact part and an elastic support part at the end of the forked terminal arm; a cam of the brake is arranged between the rotary motion support part and the second contact part; the first, second terminals of the first, second terminal groups are arranged at different intervals; the outer cover comprises a first pressing part for pressing the FPC/FFC; the first terminals is linklocked with the first pressing part to make the upper surface of the first contact part contact with the corresponding terminal on the FPC/FFC lower surface; when the second contact part drops together with the rotation of the cam, the second terminal contacts with the corresponding terminal of the FPC/FFC upper surface inserted between the second contact part and the elastic support part.