30results about How to "Ensure a stable connection" patented technology

A MEMS transducer (10) for an audio device comprises a substrate (12), a membrane (14) attached to the substrate (12), and a back-electrode (18) attached to the substrate (12), wherein a resonant frequency of the back-electrode (18) is matched to a resonant frequency of the membrane (14). Further, a method of manufacturing a MEMS transducer (19) for an audio device comprises attaching a membrane to a substrate (12), attaching a back-electrode (18) to the substrate (12), matching a resonant frequency of the back-electrode (18) to a resonant frequency of the membrane (14).

The embodiment of the invention provides a mobile phone fixing structure and a mobile phone, and belongs to the field of communication. The mobile phone fixing structure comprises a front shell, a part to be fixed and a covering part, wherein an elastic clamping hook and a stopping part are arranged on the same side of the front shell; the part to be fixed is connected to the front shell in a clamping mode through the elastic clamping hook, a clamping portion is arranged at the edge of the covering part, the covering part is provided with a limiting body protruding towards the elastic clamping hook, the clamping portion is connected to the stopping part in a clamping mode, and the limiting body and the elastic clamping hook are in contact at the back side of the head of the elastic clamping hook so that the elastic clamping hook can be limited. The mobile phone comprises the mobile phone fixing structure. According to the mobile phone fixing structure and the mobile phone, the parts can be conveniently mounted and dismounted through the elastic clamping hook, and the part to be fixed can be prevented from falling off when the mobile phone is subjected to high impact force.

An electrical distribution center includes a housing, an electronic device, an upper fixing member, a printed circuit board (PCB), a lower fixing member and a connector. The upper fixing member has a first inserting hole. Pin terminals of the electronic device pass through the first inserting hole and are connected to the PCB. A connector mounting slot for fixing the connector is arranged on the lower fixing member. A second inserting hole and a guide rod member are arranged in the connector mounting slot. A TPA member is sheathed on the guide rod member. The TPA member has a third inserting hole. Pin terminals of the connector pass through the third inserting hole and the second inserting hole and are fixed in the connector mounting slot with the TPA member. The pin terminals of the connector are connected to the PCB after passing through the first inserting hole.

The invention relates to a socket, in particular to a push-pull self-locking socket. As sockets in the prior art do not have a self-locking function, plugs are easy to break away from the sockets, thus affecting connection stability. The push-pull self-locking socket overcomes the defect and comprises a socket body and jacks, and is characterized in that self-locking devices and a manual unlocking device are arranged on the socket body; the self-locking devices comprise self-locking sliders, return springs and chutes; the self-locking sliders are arranged on the chutes and are connected with one ends of the return springs; the other ends of the return springs are fixedly connected with the socket body; the manual unlocking device comprises a trapezoidal push-pull block, a push-pull return spring and sliders; the trapezoidal push-pull block is connected with one end of the push-pull return spring; the other end of the push-pull return spring is fixedly connected with the socket body; and the sliders are arranged on the chutes and are connected with the self-locking sliders. The push-pull self-locking socket has the following beneficial effect: the plugs can be automatically locked so that the plugs are stably connected with the socket in various occasions.

The invention relates to a convenient-to-install energy-saving lamp connecting device based on capacitance changes, and relates to the technical field of energy conservation. The convenient-to-installenergy-saving lamp connecting device comprises a mounting seat, an electromagnet is fixedly connected to the inner wall of the top of the mounting seat, a first spring is fixedly connected to the inner top wall of the mounting seat, a conductive block movably connected with the inner wall of the mounting seat is fixedly connected to the bottom of the first spring, the middle of the conductive block is fixedly connected with a first magnetic block, and the inner walls of the two sides of the mounting base are fixedly connected with resistors. According to the convenient-to-install energy-saving lamp connecting device based on the capacitance changes, through cooperative use of a rubber film and electrorheological fluid, when a lamp body is not installed, the electrorheological fluid is ina liquid state, and the rubber film is in an expanded state; after the lamp body is installed, the rubber film is extruded, the electrorheological fluid is extruded, and a piston block is moved to theouter side; and when an energy-saving lamp works, a conductive column is electrified, so that the electrorheological fluid is changed from the liquid state into a solid state, the effect of convenient installation is achieved, stable connection of the lamp body is guaranteed, and practicability is improved.

The present invention relates to a connecting apparatus for creating a connection to a measuring instrument or to a valve block/valve with a measuring instrument, and a connection to a pipeline or to a metering orifice device installed in a pipeline. The connecting apparatus comprises: a first connecting device that provides a direct or indirect sealing connection to the pipeline or to the metering orifice device with a first recess extending through in the longitudinal direction, and a second connecting device that provides a direct or indirect sealing connection to the measuring instrument or to the valve block/valve with a second recess extending through in the longitudinal direction. The first and second connecting devices are interconnected with sealing effect. The connecting unit is designed so that the sealing connection can be created solely by rotation of the connecting unit without rotating the first and second connecting devices.

The invention relates to the technical field of mobile hard disks, and discloses an anti-falling magnetic control locking mobile hard disk. The hard disk comprises a disk body, a connector is fixedlyconnected to the top of the disk body, a starting groove is formed in the connector, a contact piece is fixedly connected to the bottom of the starting groove, a first spring is fixedly connected to the bottom of the starting groove, and a starting block is fixedly connected to the bottom of the first spring. An electromagnetic ring is fixedly connected into the connector, and first electromagnetsare fixedly connected to the two sides of the starting groove. According to the anti-falling magnetic control locking mobile hard disk, through mutual cooperation of the first electromagnet, the second electromagnet and the first permanent magnet, after the mobile hard disk is powered on to work, the locking key is pushed into the clamping groove firstly, meanwhile, tight connection of the locking key and the clamping groove is achieved, and stable connection of the connecting end is guaranteed; when a product is disturbed by an external force, the product is locked by the locking key; the interface is prevented from falling off and being in poor contact, so that the use safety is ensured, and the product is prevented from being damaged due to power failure.

The invention discloses a circuit emergency cut-off switch, and relates to the field of fire emergency. The circuit emergency cut-off switch comprises a male head and a female head which connect two cables together, the male head and the female head are located in a connector box, the side surfaces of the male head and the female head are provided with a male head connecting piece and a female head connecting piece which are matched with each other, and the male head connecting piece and the female head connecting piece are provided with corresponding jacks. A plug pin is inserted in the jack, on and off of the electromagnetic coil is controlled through a water path capable of automatically spraying water, and through a series of linkage mechanisms, after the electromagnetic coil is closed, a cable can be snapped from a connector through an energy storage spring immediately so that a circuit can be automatically and rapidly cut off when a fire occurs. And meanwhile, when a cable joint is disconnected, an arc extinguishing gas can be automatically sprayed to the joint so that new potential safety hazards caused by electric arcs generated when a circuit is emergently cut off are prevented.

The invention relates to a coal mine car connecting mechanism. Pin holes 4 and 5 are correspondingly formed in the two ends of a first connecting plate; pin holes 3, 1 and 2 are correspondingly formedin the two ends and the middle part of a second connecting plate; one section, with the pin holes 3 and 2, of the second connecting plate is a connecting unit; one section, with the pin holes 1 and 2, of the second connecting plate is an engaging unit; the first connecting plate is hinged with the engaging unit through a cylindrical pin 1 which penetrates into the pin holes 2 and 5; a first groove and a second groove are correspondingly formed in one side, opposite to the engaging unit, of the first connecting plate; the first groove and the second groove form an accommodating space when thepin hole 4 rotates to be coincided with the pin hole 1; a handle 2 is fixedly connected to one side of the first connecting plate; a pin locking device comprises a rotating rod, a cylindrical pin 3, aconnecting rod, a handle 1 and two connecting pieces; the two connecting pieces are fixedly connected with a mine car; one end of the connecting rod is fixedly connected with the middle part of the rotating rod; and the other end of the connecting rod is hinged with the upper end of the cylindrical pin 3. The coal mine car connecting mechanism has the advantages that the connection safety factorof the mine car can be effectively increased, the operation is simple and convenient, the labor intensity of workers can be reduced, and the working efficiency is enhanced.

The invention relates to the technical field of drilling tool machining, in particular to a special drilling bit for composite materials, which comprises a tough fixing handle, a connecting section used for extending a working area is connected beside the tough fixing handle, a machining section integrally formed with the connecting section is arranged beside the connecting section, and the machining section is connected with the tough fixing handle. The machining section is arranged to be used for machining the workpiece to be formed, the machining section can effectively prevent resistance in the drilling process, the cutting smoothness is improved, and the machining efficiency is improved.

The invention relates to a socket, in particular to a self-locking socket. As sockets in the prior art do not have a self-locking function, plugs are easy to break away from the sockets, thus affecting connection stability. The self-locking socket overcomes the defect and comprises a socket body and jacks, and is characterized in that self-locking devices are arranged on the socket body and comprise self-locking sliders, springs and chutes; the chutes are arranged on the socket body and are connected with the self-locking sliders through clearance fit; and the two ends of the springs are respectively connected with the self-locking sliders at the two sides. The self-locking socket has the following beneficial effect: the plugs can be automatically locked so that the plugs are stably connected with the socket in various occasions.

The invention discloses a sewing machine assembly line tool. The sewing machine assembly line tool comprises a tool plate, a rotating mechanism arranged on the tool plate and an arc guide rail frame which is in butt joint with the rotating mechanism and used for fixing a sewing machine. The rotating mechanism comprises a gear motor and a flange plate connected with a rotating shaft of the gear motor, a locking mechanism is arranged between the rotating shaft of the gear motor and the tool plate, and locking and limiting to the rotating shaft can be achieved through the locking mechanism. The arc guide rail frame is fixed on the flange plate, and therefore the arc guide rail frame can rotate around the Y axis. At least two sets of arc guide rails are arranged on the arc guide rail frame, a fixing assembly used for fixing the sewing machine is arranged between the at least two sets of arc guide rails, and the at least two sets of arc guide rails can rotate around the X axis. According to the sewing machine placed on the assembly line tool, 360-degree rotation can be achieved in three-dimensional space, assembly and other work are greatly facilitated, and therefore the work efficiency is improved.

The invention discloses cable inspection equipment and an inspection method, and relates to the technical field of cable inspection. The equipment comprises a cable tester, a plug-in platform comprising a plurality of plug-in device butt joints matched with plug-in devices at the end parts of the cables, plug-in device in-place detection devices arranged in the plug-in device butt joints, plug-indevice locking devices arranged on one sides of the plug-in device butt joints and capable of fixing the plug-in devices inserted in place in the plug-in device butt joints, and a control unit electrically connected with the cable tester, the plug-in device butt joints, the plug-in device in-place detection devices and the plug-in device locking devices; according to the cable inspection equipment, by arranging the plug-in device in-place detection devices and the plug-in device locking devices, detection of the insertion position of the plug-in device is achieved, the plug-in device can be fixed to the position where the plug-in device is inserted in place, insertion is convenient, and stable connection of a cable and a cable tester can be guaranteed.

The invention relates to a sports instrument, in particular to a novel hurdle, which aims to solve problems that when a traditional hurdle is knocked down or a hurdle plate is knocked off, special operation for recovering the hurdle to the original state is required, thereby resulting in waste of labor and time and reducing training efficiency. The invention provides a novel hurdle, comprising a base, a hurdle plate, two supporting rods and hurdle plate retaining points, wherein the hurdle plate retaining points are arranged on the internal sides of the two supporting rods. Compared with the prior art, the novel hurdle has the difference that the base and the supporting rods are connected detachably, and two swinging bars are arranged on the supporting rods. By means of increasing gravity of the lower half portion of the hurdle and reducing the center of gravity, the hurdle avoids being knocked down and the hurdle plate avoids being knocked off. Accordingly, the problem of requirement on special service for recovering the hurdle which is tilted by external impact during usage is solved and both the service efficiency of the hurdle plate and the sport efficiency of a hurdle player are increased.

The invention relates to the technical field of block chains, and discloses a block chain technology-based electronic communication interaction equipment control method, which comprises a protection box body, the inner side of the bottom of the protection box body is fixedly sleeved with a transition base, and the top surface of the middle part of the transition base is fixedly provided with a server body. The detection mechanism, the pneumatic heat dissipation mechanism, the guide mechanism and the electric push rod are combined and connected with one another, so that an intelligent air cooling system can be formed, the detection mechanism detects and automatically starts the pneumatic heat dissipation mechanism and the electric push rod, and then the guide mechanism is utilized to be close to the server body for targeted pneumatic heat dissipation; and after the device reaches a normal temperature, the pneumatic heat dissipation mechanism and the electric push rod are automatically closed by the detection mechanism, and all movable structures are reset, so that compared with a traditional server internal heat dissipation mechanism, intellectualization and energy conservation are realized, the operation cost of the whole equipment is greatly reduced, and the service life of the server body is prolonged.

A diffuser assembly for diffusing a liquid in irrigation plants has a supply conduit includes a diffuser with a nozzle adapted to direct a jet of liquid along a longitudinal axis, at least one deflector facing the nozzle for radially spraying the jet outwards, and a connection device for ensuring fluid connection of the diffuser to the supply conduit of the plant. The diffuser is mounted onto the irrigation plant with the axis extending in a substantially vertical direction and with the nozzle facing up, and the deflector is configured to rotate about the longitudinal axis, thereby causing oscillations in the assembly. The connection device includes a tubular body with end joints that connect to the diffuse, and the supply conduit and the body is monolithic with the joints and is made of a thermoplastic elastomeric base material. Furthermore, the body has an outer surface with annular folds, which imparts elasticity and damp the oscillations induced by the deflector. A pivot or linear irrigation plant includes a plurality of those diffuser assemblies.

The invention provides a prefabricated concrete frame and an assembling method, and relates to the technical field of constructional engineering. The prefabricated concrete frame comprises a mountingblock, a frame component and a positioning device, wherein the frame component is positioned right above the mounting block; a grouting groove is formed in the lower surface of the frame component; the positioning device is arranged on the upper surface of the mounting block; the positioning device comprises a positioning rod; the positioning rod is fixedly connected with the upper surface of themounting block; a positioning groove is formed in the lower surface of the frame component; the positioning rod is inserted into the positioning groove and is propped against the inner wall of the positioning groove; the upper surface of the frame component is fixedly connected with a connecting rod; and the upper surface of the mounting block is fixedly connected with a positioning rack. The problems that most of traditional concrete frames need to be held and guided by operators during hoisting, time and labor are wasted, the efficiency is low, certain dangerous factors exist, the concrete frames are inclined easily to bend steel bar connecting ends, the gravity centers of the concrete frames are inclined to cause toppling of the concrete frames and the like are solved, and by application of the device, the safety of equipment can be improved effectively.

An embodiment of the invention provides a fixing device and an engineering machine, and relates to the field of engineering machinery. The fixing device comprises a connecting piece, a first fixing part, a second fixing part and a third fixing part. A first connecting portion and a second connecting portion are arranged at the two opposite ends of the connecting piece. The first fixing part is connected with the first connecting portion and used for fixing the first connecting portion. The second fixing part is connected with the third fixing part and used for fixing the third fixing part. Thesecond connecting portion stretches into the second fixing part and is connected with the third fixing part. The third fixing part is used for fixing the second connecting portion. The connecting piece is used for being connected with a first assembly part. At least one of the first fixing part and the second fixing part is used for being connected with a second assembly part. By the adoption ofthe fixing device and the engineering machine, the fixing quality of the connection position can be guaranteed, the fixing stability is guaranteed advantageously, and therefore the service life and the reliability are guaranteed, and the usage safety is guaranteed.