38results about How to "Avoid loose contact" patented technology

A vehicle rearview mirror pre-delivery detection device comprises a control cabinet (5), a display screen (6) and a mirror surface position sensing mechanism (7). A workbench (8) is arranged on a machine frame (1); a rearview mirror clamp (4) and the mirror surface position sensing mechanism (7) are connected to the workbench (8); the control cabinet (5) is connected with the machine frame (1) and is located below the workbench (8); a power connector (2), a rearview mirror connector (3) and the mirror surface position sensing mechanism (7) are respectively and electrically connected with the control cabinet (5); the display screen (6) is fixed to the machine frame (1), located above the workbench (8) and electrically connected with the control cabinet (5); a starting switch (9) is arranged on the workbench (8) and is electrically connected with the control cabinet (5). Compared with the prior art, the vehicle rearview mirror pre-delivery detection device has the advantages of being full automatic in judgment and high in detection rate and detection efficiency.

The invention provides an intelligent circuit breaker combined device. A current detecting piece is arranged in a circuit breaker. The current value of a circuit in the circuit breaker is obtained through the current detecting piece and then sent into a controller of an intelligent control device on one side of the circuit breaker, and the controller makes a judgment according to the received current value, and controls and starts an action mechanism to drive the circuit breaker to be released when the current value is in an overload state for a period of time. Because the current value of the circuit in the circuit breaker is directly tested and the controller is used for intelligent control, the problem that a thermal releaser is prone to fails caused by the external environment air temperature influences is solved. Meanwhile, due to the fact that the thermal releaser is omitted, the internal resistance of the circuit breaker is greatly reduced, and the power consumption and the heating amount of the circuit breaker are reduced. In addition, the controller is independently arranged in the intelligent control device outside the circuit breaker, the problem that a controller can not be put in a narrow space of a circuit breaker is solved, and meanwhile it can be avoided that the work of a controller is influenced by strong current.

The invention provides a sensor for measuring an ice layer thickness in an in-situ mode. The sensor comprises a stainless steel sleeve. The inner diameter of the stainless steel sleeve is 4.5cm, a length is 30cm. A single side opening with the width of 0.5cm, which has a 1cm distance with a top, passes through a bottom. The wall thickness of the sleeve is 0.2cm. The external portion of a top end is provided with a pipe thread which can be rotatably connected to an electric drill. The bottom is equipped with teeth. The center of the sleeve is provided with a stainless steel needle with the diameter of 0.5cm and a length is 30cm. The top is fixed through an epoxy resin and is isolated from the sleeve. The top end of the sleeve is provided with a BNC joint so that the sleeve and the externallayer metal net of a coaxial cable are connected, and a probe and the center metal wire of the coaxial cable are connected. In the invention, a price is low, a precision instrument in a resistive andcapacitive sensor is not needed so that the sensor is easy to produce and apply.

The invention discloses an elastic contact three-electrode device, and relates to equipment for measuring the dielectric constant and loss angle tangent of an electric insulation material. The device comprises a high-pressure electrode (1) connected with a high-pressure end H of a balanced bridge, and a test sample (2) on the high-pressure electrode (1), wherein a measuring electrode (13) and a shielding electrode (3) connected with a protection end G of the balanced bridge are arranged on the test sample (2). The device is characterized in that: the top of the measuring electrode (13) is provided with a metal corrugated pipe (12), a corrugated pipe suite (11), an insulation support (10) and a measuring end connector socket (9) connected with a measuring end M of the balanced bridge; the shielding electrode (3) is connected with an upper shielding electrode (6), an upper shielding electrode cover plate (7) and a counter weight (8) through a shielding electrode connecting ring (4) in threaded connection with the shielding electrode (3); and a measuring electrode positioning ring (5) is arranged between the measuring electrode (13) and the shielding electrode (3). The device has high measuring accuracy and is suitable for a thick film or a thin flat plate with a low-loss medium.

The invention belongs to the technical field of electrical apparatus elements, and particularly relates to a thermistor, which comprises a mounting base, a rotating ring and a thermistor body. The rotating ring is rotatably connected to the central position of a housing in the housing; a strip-shaped groove is formed in the upper surface of the rotating ring; the thermistor body is arranged in thestrip-shaped groove; mounting grooves are formed in the positions, corresponding to the second through holes, of the rotating ring; conductive blocks are fixedly connected in the mounting grooves; annular grooves are formed in the positions, corresponding to the height of the conductive blocks, of the inner arc surface of the mounting base; conductive rods are fixedly connected to the surfaces ofthe conductive blocks; the ends, away from the conductive blocks, of the conductive rods penetrate through the rotating rings and extend into the annular grooves; and conductive connectors are arranged at the positions of the annular grooves in the four side faces of the mounting base. According to the invention, rapid connection of a plurality of thermistors is effectively realized, connection and disconnection can be manually controlled without welding, and the installation compactness of the thermistors is effectively improved.

The invention relates to a carton die-cutting circular die device and a process thereof. The carton die-cutting circular die device comprises an equipment base and a second motor, wherein a support, a box body, a first belt conveyor and a second belt conveyor are sequentially arranged at the upper end of the equipment base from left to right, the lower end of the box body is connected with the equipment base through screws, the second motor is installed behind the upper end of the box body, and the rear end of the second motor is connected with a chain. The carton die-cutting circular die device and the process thereof have the beneficial effects that the circular die mounting part of the equipment can adapt to mounting of various circular dies of different sizes, so that the equipment can conveniently process cartons of different specifications; meanwhile, elastic stretching can be performed during operation of circular dies, so that the circular dies can make close contact with an upper wheel regardless of the sizes of the replacement circular dies on the equipment; a cutter for cutting cartons has a damage prevention function, so that damage of the equipment is reduced; and the equipment can right materials during discharging, so that the materials are prevented from toppling over.

The invention discloses a cell holder of a network cable tester. The cell holder comprises a cell holder bottom plate (1). A mounting and fixing hole (2) is formed in the cell holder bottom plate (1); a cell electrode mounting plate (3) is arranged at one end of the cell holder bottom plate (1); and a first electrode (31) and a second electrode (32) used for being connected with a 9V layer built cell are arranged on the cell electrode mounting plate (3). The cell holder can prevent the cell electrodes from getting loose when the cell electrodes contact with other components, prolongs the service life of a lead, and has the advantages of firm and reliable structure, convenience and efficiency in use, simple structure and low cost.

The invention provides a prefabricated directly-buried heat preservation pipe and relates to combination pipes. The invention aims to solve the problem that the conventional directly-buried pipes are prone to fall off when being installed by using a crane. The prefabricated directly-buried heat preservation pipe comprises a steel pipe layer, a heat preservation layer and a protection layer, which are arranged from inside to outside successively; the edges of the two ends of the steel pipe layer are exposed out of the protection layer; the steel pipe layer comprises an inner layer and an outer layer which are separated from each other to form a cavity; the inner layer and the outer layer are fixed via connecting members; the two ends of the outer layer are provided with openings. With the combined layers, the airtightness of the inner layer is guaranteed and the lifting safety is guaranteed.

The invention discloses a circuit test wire clamp, which comprises a connecting plug and an annular operation part bent by a metal rod body, and is characterized in that the middle part of the front side edge of the operation part is connected with the connecting plug and is in conductive contact with the connecting plug, the rear side edge of the operation part is provided with an insulation partfor holding, and at least one side edge of the left and right sides of the operation part is provided with a conductive connection hole. In the manufacturing process, only the connecting plug matchedwith the connecting terminal, the technical rod body and the like need to be selected, then the technical rod body is annularly bent, two conductive connecting holes are drilled in the technical rodbody, then the technical rod body is connected with the connecting plug, and the whole manufacturing process is simple and convenient. Moreover, because the connecting plug is connected with the corresponding test equipment in an inserted manner, a better contact effect can be ensured, the problem of infirm contact is avoided, and the test accuracy is ensured. In conclusion, the circuit test wireclamp can effectively solve the problem that an existing circuit test wire clamp is inconvenient to manufacture and poor in contact effect.

The invention discloses an elastic contact three-electrode device, and relates to equipment for measuring the dielectric constant and loss angle tangent of an electric insulation material. The device comprises a high-pressure electrode (1) connected with a high-pressure end H of a balanced bridge, and a test sample (2) on the high-pressure electrode (1), wherein a measuring electrode (13) and a shielding electrode (3) connected with a protection end G of the balanced bridge are arranged on the test sample (2). The device is characterized in that: the top of the measuring electrode (13) is provided with a metal corrugated pipe (12), a corrugated pipe suite (11), an insulation support (10) and a measuring end connector socket (9) connected with a measuring end M of the balanced bridge; the shielding electrode (3) is connected with an upper shielding electrode (6), an upper shielding electrode cover plate (7) and a counter weight (8) through a shielding electrode connecting ring (4) in threaded connection with the shielding electrode (3); and a measuring electrode positioning ring (5) is arranged between the measuring electrode (13) and the shielding electrode (3). The device has high measuring accuracy and is suitable for a thick film or a thin flat plate with a low-loss medium.

The invention discloses a temperature sensing ribbon for electric wires and cables. The temperature sensing ribbon comprises a ribbon, and a temperature sensing device arranged on the ribbon. The temperature sensing ribbon can solve the defects in the prior art, is convenient to operate and high in efficiency, can prevent the problem of loose contact between a temperature sensing piece and the cables, can realize efficient temperature sensing monitoring in effective period, and meanwhile, detects abnormities of the electric wires and the cables in actual use process and enables workers to knowabnormal temperatures afterwards.

The invention discloses an intelligent socket for controlling temperature of an air conditioner. The intelligent socket comprises a socket shell, a sliding rod, a control button, a control rod, a switch assembly and a piston tube. The intelligent socket has the function of automatically conducting power-on and power-off by detecting the temperature in an air conditioning room, and has the advantages of being rapid in response, sensitive in temperature control, ingenious in structure, and capable of being switched between a temperature control socket and a common socket freely.

The invention discloses a thermal insulation prefabricated buried pipe, relates to a combined pipe, and is used to solve the problem that the existing buried pipe is easy to fall off when installed by a crane. It includes a prefabricated pipe layer, an insulation layer and a protective layer arranged sequentially from the inside to the outside. The edges of both ends of the prefabricated pipe layer leak out of the protective layer. The outer layers are separated from each other to form cavities, the inner layer and the outer layer are fixed by connecting pieces, and openings are arranged at both ends of the outer layer. By setting the composite layer, it can not only ensure the tightness of the inner layer, but also ensure the safety of lifting.

The invention discloses an automobile front windshield sunshade device including a mounting seat, a miniature electric push rod, a driving rod, a connecting rod, a connecting rod 2, a scissor bar 1, ascissor bar 2, a scissor bar 3, a connecting rod 3, a connecting rod 4, an articulated sleeve and a sunshade cloth. A guide seat is arranged in the middle of the mounting seat, a support seat is arranged at one end of that mounting seat, and a hinge seat is arranged on the support seat, the other end of the mounting base is provided with a connecting seat, a mini electric push rod is composed ofa push rod motor and a push rod, a driving rod is composed of a cylindrical rod and a fork rod welded together, a cylindrical rod passes through guide seat, a threaded hole is arranged at that end ofthe cylindrical rod, that end of the push rod is connected with the threaded hole, a forward end of that fork bar is articulated with a central hinge of the shearing fork bar, the sunshade cloth is riveted to the upper and lower hinge points and the hinge sleeves of the scissor bar 1, the scissor bar 2, the scissor bar 3, the automobile central controller and the steering wheel are avoid to be directly exposed to sunlight, and the working stroke of the hinge sleeve is three times of the working stroke of the pushrod in the micro electric pushrod, so that the sun shading cloth can be opened with little displacement of the pushrod.

The invention relates to an air pressure adjustment device. The air pressure adjustment device comprises a bearing structure, a pressure sheet, a ventilation pipe, an exhaust pipe, an air cylinder, apiston and a valve, wherein a hollow structure is formed between the pressure sheet and the bearing structure, the ventilation pipe and the exhaust pipe are arranged on the bearing structure and communicates with the hollow structure, the air cylinder is arranged on the exhaust pipe and communicates with the exhaust pipe, the piston is arranged in the air cylinder to control air pressure in the air pressure, and the valve is arranged on the ventilation pipe and the exhaust pipe. The pressure sheet and the bearing structure form the hollow structure, so that the bearing structure is hermetically contacted with an edge of the pressure sheet; air in the hollow structure is smooth by the ventilation pipe and the exhaust pipe; and the piston is arranged in the air cylinder, the volume of the air cylinder is adjusted by moving the piston to adjust air pressure in the hollow structure, so that the pressure generated by the air pressure is adjusted, and the air pressure of the pressure sheet is balanced.

The invention discloses an anti-drop structureof a mobile phone connector. The structure comprises a USB plugging port used for plugging a mobile phone plugging port, and one side of the USB plugging port is provided with a shell splicing assembly which separates the USB plugging port from a charging position and is used for placing a thumb position of a user, a shell splicing assembly is arranged at one end of an output line, a USB plugging port is arranged at the other end of the shell splicing assembly, a deflection assembly used for adjusting deflection of the output line in the process that a user holds a mobile phone by hand is arranged at the shell splicing assembly and the USB plugging port, and meanwhile an adjusting assembly is arranged between the other end of the shell splicing assembly and the output line. According to the structure, the USB plugging port is separated from the mobile phone plugging port by the shell splicing assembly, the user holds the outer splicing assembly through fingers, concave pressure on a charging position is reduced in the process of charging and playing the mobile phone, the poor contact phenomenon that the charging position is loosened when the user plays the mobile phone while charging is caused under the condition that the inner wall is abraded after the USB plug interface of the mobile phone is plugged and unplugged for many times is avoided, and meanwhile, the deflection assembly arranged in the scheme is convenient to deflect the output line to the concave pressing position.

The invention discloses a heat-preserving prefabricated direct-buried pipe, relates to a composite pipe, and is used for solving the problem that the existing direct-buried pipe is easy to fall off when installed by a crane. It includes a prefabricated concrete layer, an insulation layer and a protective layer arranged sequentially from the inside to the outside, the edges of both ends of the precast concrete layer leak out of the protective layer, the precast concrete layer is composed of an inner layer and an outer layer, the inner layer and The outer layers are separated from each other to form cavities, the inner layer and the outer layer are fixed by connecting pieces, and openings are arranged at both ends of the outer layer. By setting the composite layer, it can not only ensure the tightness of the inner layer, but also ensure the safety of lifting.

The invention discloses a sensor installation mechanism in a bridge health monitoring system, which includes a housing, a spring, and a support plate. An opening is arranged on the upper side of the housing, and a plurality of hanging ears are arranged on the housing. Symmetrical, the mounting lug is perpendicular to the side of the housing, and there is at least one threaded hole on the mounting lug. The housing is connected to the bridge deck through a screw that matches the threaded hole. There is a wiring port on the side of the housing, and the lower opening of the wiring port is in contact with the bottom surface of the housing. , one end of the spring is vertically connected to the inner bottom surface of the casing, the other end of the spring is vertically connected to the support plate, and the support plate matches the opening. The spring acts on the vibration sensor in real time to ensure that the vibration sensor is in close contact with the bridge deck, avoiding the phenomenon of loose contact between the vibration sensor and the bridge deck due to bridge vibration, and reducing the data error collected by the vibration sensor when the screw is loose.

The invention relates to an air pressure adjustment device. The air pressure adjustment device comprises a bearing structure, a pressure sheet, a ventilation pipe, an exhaust pipe, an air cylinder, apiston and a valve, wherein a hollow structure is formed between the pressure sheet and the bearing structure, the ventilation pipe and the exhaust pipe are arranged on the bearing structure and communicates with the hollow structure, the air cylinder is arranged on the exhaust pipe and communicates with the exhaust pipe, the piston is arranged in the air cylinder to control air pressure in the air pressure, and the valve is arranged on the ventilation pipe and the exhaust pipe. The pressure sheet and the bearing structure form the hollow structure, so that the bearing structure is hermetically contacted with an edge of the pressure sheet; air in the hollow structure is smooth by the ventilation pipe and the exhaust pipe; and the piston is arranged in the air cylinder, the volume of the air cylinder is adjusted by moving the piston to adjust air pressure in the hollow structure, so that the pressure generated by the air pressure is adjusted, and the air pressure of the pressure sheet is balanced.

The embodiment of the invention provides a clamping extender of a clamp meter, a clamp meter assembly and a current measuring method. The clamping extender comprises a first sigmoid inner core, a second sigmoid inner core, a first insulation sleeve, a second insulation sleeve, a first fixing assembly and a second fixing assembly; the first fixing assembly is used for connecting the first sigmoid inner core with a first clamp; the second fixing assembly is used for connecting the second sigmoid inner core with a second clamp; the sum of the width of the smallest external rectangle correspondingto the first sigmoid inner core and the width of the smallest external rectangle corresponding to the second sigmoid inner core is smaller than the sum of the width of the smallest external rectanglecorresponding to the first clamp and the width of the smallest external rectangle corresponding to the second clamp. According to the clamping extender, by penetrating a to-be-measured guiding wire through the position between the first sigmoid inner core and the second sigmoid inner core, destruction of a guiding wire layout, loosening and poor contact of a guiding wire, interphase short circuitand potential electric shock dangers caused by pulling of the guiding wire are prevented.

The invention discloses a special fastener for a front-end guide frame of an automobile, comprising: a screw body, a torque monitoring nut and a nut; The torsion drive assembly inside the cap, the inner cavity of the torque monitoring nut is fixedly equipped with a torque prompting assembly; the inner side of the torque monitoring nut is provided with a movable groove, and the torque prompting assembly includes static magnets respectively fixed on the top surface of the inner cavity of the torque monitoring nut Magnetic ring on top of block and screw body. In the present invention, by adding a torque prompting component structure inside the torque monitoring nut, after the tightening reaches the set torque, the pull rope pulls the jumping shrapnel to move, and the prompting is issued through the deformation of the jumping shrapnel. Sound and vibration effects are used to prompt, and the ratchet rod disengages from the unscrewing teeth and engages with the tightening teeth, so that it cannot continue to be tightened with force, avoiding screw breakage or screw tooth damage caused by excessive screw torque.

The invention discloses a novel transfer system for an annular highlight product. The system comprises a suction nozzle assembly, a horizontal movement mechanism, a CCD camera and a vacuum generator,the suction nozzle assembly comprises one or more suction nozzles, a hollow shaft motor, a rotation joint and a mounting component capable of performing lifting motion, and each suction nozzle comprises a connection base, a suction head and a cushion block; the upper ends of the suction heads are connected with the connection bases, and the lower ends of the suction heads are provided with containing cavities; the cushion blocks are arranged in the containing cavities and made of elastic soft materials, the suction heads can reciprocate in the axial direction, and the hollow shaft motor is fixed to the mounting component; the lower end of a motor shaft of the hollow shaft motor is communicated with the connection bases, the upper end of the motor shaft is connected with the rotation joint,and the horizontal movement mechanism is used for driving the suction nozzle assembly to horizontally move; a lens of the CCD camera faces downwards and is used for shooting a product image, and thevacuum generator is connected with the rotation joint through an air guide pipe. The product transfer system can suck, rotate and transfer the annular highlight product. The invention further discloses a novel transfer method for the annular highlight product.

The invention discloses an embedded maintenance operation platform with a false connection electric shock preventive function for backlight modules of display screens. The embedded maintenance operation platform structurally comprises a support bottom plate and antiskid feet. The embedded maintenance operation platform with the false connection electric shock preventive function for the backlightmodules of the display screens has the advantages that the rowed backlight modules on the display screens can be pushed and led into a platform when the rowed backlight modules need to be tested and maintained, a transverse plate and guide wheels are matched with one another, accordingly, the orientation of maintenance elements can be prevented from being easily deviated when the rowed backlight modules are led into the platform, and the maintenance elements can be stably connected with a rowed wiring board; a swing rod, a fixture block and clamp plates are matched with one another, accordingly, the backlight modules can be completely led into tests and can be conveniently and quickly taken out, and the problem of electric shock due to the fact that electrified ends of existing backlight modules are exposed and gripping fingers touch the electrified ends when the existing backlight modules are taken out can be effectively solved; restraint plates and antislip particles can be contracted, the backlight modules can be restrained and fastened, unstable contact of the repeatedly started and stopped backlight modules due to cold and heat can be prevented, accordingly, the backlight modules can stably run during test and maintenance, and effects of protecting equipment can be realized.

The invention discloses a multi-station ratchet switch. The switch comprises a control transposition part and three switch contact parts. The control transposition part is composed of a fixed base, arotary base, a pair of inner meshing gears, a gear shaft and a motor. An output shaft of the motor is fixedly connected with the gear shaft. The pinion is fixedly arranged on the gear shaft. The gearwheel is fixedly mounted on the rotary base. When the motor drives the pinion to rotate, the rotary base is driven by the gearwheel to rotate along with the gearwheel, implementing transposition. The three contact parts are uniformly and fixedly mounted on the rotary base. The contact part controls the opening and closing actions of a switch through a ratchet wheel, a cam and a pair of bevel gears.The ratchet wheel motor drives the ratchet wheel to periodically rotate by 90 degrees. Two contact blocks placed at 180 degrees are fixedly installed on the ratchet wheel, the cam placed on the horizontal bevel gear controls the baffle to do reciprocating motion on the bevel gear shaft, the ratchet wheel makes contact with and is opened from the contact blocks on the baffle, and the switch has the advantages of being capable of adapting to various working environments, high in safety coefficient and convenient to operate.