80results about How to "Avoid bad contact" patented technology

The invention relates to the technical field of cable connectors, and discloses a multifunctional quick connector for wire and cable connection, which comprises an insulating cylinder, a sliding groove is formed in the inner wall of the insulating cylinder, a limiting elastic rod is fixedly connected to the inner wall of the sliding groove, and a sliding rod is slidably connected to the inner wall of the sliding groove. The inner wall, away from the sliding groove, of the sliding rod is fixedly connected with a conductive head. Through the arrangement of the connecting mechanism, the two ends of a cable needing to be connected firstly penetrate through sleeve holes, then abut against the ends of conductive heads and push the conductive heads to move in the direction close to each other, when the conductive heads are pushed, sliding rods can be driven to slide on the inner walls of sliding grooves in the direction close to each other, and limiting elastic rods are extruded; the two conductive heads are limited when making contact with each other, extrusion plates are pulled to move towards each other when the conductive heads move, stress plates are extruded when the extrusion plates move, and fixing rods are pushed to move towards each other when the stress plates are extruded.

The utility model discloses a mobile hard disk box for storing hard disks, which comprises a storage box, a box cover is detachably mounted at an opening at the head end of the storage box, and aluminum alloy side plates are mounted on two sides in the storage box. According to the mobile hard disk box for storing the hard disk, a servo motor drives a bidirectional lead screw to rotate, under the threaded transmission action of the bidirectional lead screw and a translation plate, clamping plates on the two sides move towards the middle at the same time, a data wire is clamped in a clamping groove between the clamping plates on the two sides, otherwise, the clamping plates can be in contact with clamping of the data wire, and the data wire is clamped in the clamping groove. After the data wire is connected with the hard disk, the data wire is clamped, and the connector end, connected with the connector, of the data wire is clamped, so that the connector end cannot be separated from the connector when being pulled, the firmness of connection between the data wire and the mobile hard disk is guaranteed, and the situation that the connector between the data wire and the hard disk falls off is avoided.

The invention discloses connector production and assembly equipment and method, and particularly relates to the technical field of connector assembling.The connector production and assembly equipment is characterized in that a pressing strip slides in a bottom groove and is attached to a buckle on a pin set, the pin set is calibrated, then a two-way screw in a first push plate rotates, a sliding base slides to drive an abutting and pushing piece to make abutting contact with an inclined table, and then the pin set is fixed; the clamping blocks move along with the sliding seat and extend outwards to be opened at the same time, the clamping blocks clamp the middles of buckles on a pin set, a first push plate pushes the clamped pin buckles to be close to the discharging end of a second material cavity, and the clamping blocks on the two sides slide in a limiting mode in the direction of a limiting rail. The end face of the rubber shell is tightly attached to the surface of the clamping frame, due to the fact that the second material cavity is higher than the first material cavity, the inserting needle set is smoothly inserted into the rubber shell after penetrating through the clamping frame, the inserting process is smoother due to position alignment, extra adjustment and attempt are not needed, and the assembling efficiency is improved.

The utility model discloses a circuit board assembly with stable power interface connection. The circuit board assembly comprises a housing, a circuit board assembly, a power interface and a reinforcing assembly. The beneficial effects of the utility model are that through the arrangement of the reinforcing assembly, the power supply interface has a dust protection function, and after a power plug is inserted into the power supply interface, the power plug can be vertically reinforced by using the elastic clamping rod, thereby effectively preventing poor contact between the power plug and the circuit board assembly caused by loose connection of the power plug; and in the using process of the transparent protection plate, the effects of stable placement and efficient dust prevention are achieved through a gravity plate fixed to the bottom, the reinforcing assembly is simple in structure, efficient and high in practicability, the multiple sets of reinforcing assemblies can be conveniently connected end to end through the arrangement of mounting pieces, integrated storage of the multiple sets of reinforcing assemblies is achieved, the reinforcing assemblies are prevented from being lost, and the practicability is high. The embedded plate is embedded into the connecting groove in the other reinforcing assembly, embedded connection is achieved, and integrated placement of the multiple reinforcing assemblies is achieved.

The utility model discloses an overload protection circuit breaking device of a light storage centrifugal machine, and relates to the technical field of overload protection circuit breaking. The circuit breaker comprises a circuit breaker body, and two ends of the circuit breaker body are provided with a plurality of wiring grooves. According to the utility model, the two rotation driving mechanisms approach to the two ends of the wire harness at the same time, then the two moving mechanisms drive the corresponding limiting mechanisms to move, and as the two limiting mechanisms and the moving mechanisms are installed in a sliding manner, the moving mechanisms play a role in guiding the sliding of the limiting mechanisms, and when the two rotation driving mechanisms rotate, the two rotation driving mechanisms are driven by the moving mechanisms to move. The two limiting mechanisms can get close to each other in the direction of the wire harness along the moving mechanism, and after the two limiting mechanisms move to the two ends of the outer wall of the wire harness, the outer walls of the two ends of the wire harness are limited and fixed, so that the situation that the wire harness is pulled by external force during follow-up equipment maintenance operation is prevented; and poor contact between the circuit of the optical storage centrifugal machine and the circuit breaker is caused.

The application relates to the technical field of electrode clamping of an electric spark machine, in particular to an electrode clamping device and method of an electric spark machine. The electrode clamping device of the electric spark machine comprises a chuck and a conductive seat which are fixedly connected through a fixing base and coaxially arranged in an upper and lower position. The inside of the fixing base is provided with a scraping plate which can horizontally move laterally at the bottom of the conductive seat and a driving plate which can vertically ascend and descend at the side of the conductive seat. The plate surface of the driving plate is parallel to the lateral moving direction of the scraping plate. When an electrode rod is inserted from the bottom of the chuck and gradually approaches the conductive seat, the driving plate converts the ascending movement of the electrode rod into the horizontal lateral movement of the scraping plate to scrape the bottom end surface of the conductive seat. The scraping plate scrapes the bottom end surface of the conductive seat once every time the electrode rod is installed, so that the electrode rod can be stably electrically connected with the conductive seat every time.

The utility model relates to the technical field of grounding wire clamps, in particular to a safety type grounding wire clamp. According to the technical scheme, the grounding device comprises a movable seat, a base and a wire clamping seat, a grounding ring penetrates through one side of the base, the wire clamping seat is fixedly installed on one side of the base, a wire clamping groove is formed in the top of the wire clamping seat, the movable seat is installed on the top of the base through a bolt rod in a threaded mode, and a fixed column is fixedly installed at the bottom of the movable seat on one side of the bolt rod; clamping arms are rotatably installed on the surface of the fixing column, a wire clamping pressing block is slidably installed between the clamping arms, and the wire clamping pressing block corresponds to the wire clamping groove. According to the utility model, through the combination of various structures, the device can fasten a cable in an all-around manner, the cable is not liable to fall off, the safety effect during electric power overhaul is improved, the contact block extends into the contact groove to form a sealing effect, and the situation that external foreign matters enter an attached position to cause poor contact can be avoided.

The present invention discloses a drilling recyclable microseismic sensor installation method, comprising the following steps: S1: making a sensor installation base and a hole protection steel pipe; S2: drilling a hole in the rock mass of the monitoring area; S3: assembling the microseismic sensor, the installation base, and the hole protection steel pipe and placing them in the borehole; S4: sealing the borehole and grouting; S5: connecting a collector and performing microseismic monitoring; S6: recovering the microseismic sensor. The present invention aims at the problems of high ground stress, soft and broken rock mass, and large mining impact in underground engineering, realizes the protection, recovery and recycling of microseismic sensors, and improves the coupling effect of drilling installation of microseismic sensors and the quality of signal acquisition.

The utility model relates to the technical field of attenuators, and discloses a plug-in type fixed attenuator, which comprises an attenuator body and a plurality of pins arranged at one end of the attenuator body, and a protection assembly is embedded in the outer walls of the two sides of the attenuator body in a sliding connection mode. The end, away from the attenuator body, of the protection assembly is fixedly connected with a cleaning assembly, and the side wall of the cleaning assembly is fixedly connected with a plurality of fastening assemblies. According to the utility model, through the arrangement of the protection assembly, before insertion and use, the outer housing of the protection assembly wraps the plurality of pins inside for protection, so that the condition that the pins are exposed to the outside, are bent under the action of external force and cannot be connected with the guide groove is avoided; under the elastic action of the springs, the movable blocks drive the corresponding fastening blocks to abut against and be fixed to the guide grooves, and connection of the attenuator body is reinforced.

The Bluetooth earphone capable of avoiding poor charging contact comprises a charging box, an earphone and a charging base, the earphone is arranged in the charging box, a charging groove is formed in the center of the bottom of the charging box, a charging port is connected into the charging groove in a clamped mode and located in the charging base, and a charging base through groove is formed in the center of the top of the charging base. A charging port is formed in the center of the top of the charging port through groove, an inner cavity of the fixing column is located at the top of the charging base through groove, when the Bluetooth headset needs to be charged, the Bluetooth headset is placed at the charging base through groove, the shape of the charging base through groove is matched with the shape of the bottom of the charging box extension plate, and therefore the Bluetooth headset is fixedly connected to the charging base; and the bottom of the extension plate is also provided with a fixing column, and the fixing column is connected to the inner cavity of the fixing column in a clamping manner, so that the charging box is stably fixed to the charging seat again, the charging groove and the charging port can be tightly connected, and the condition of poor contact is prevented.

The utility model discloses a switch static contact structure, comprising a wire pressing frame, the wire pressing frame is fixedly connected with a conductive support sheet, the wire pressing frame is conductively connected with the conductive support sheet, the conductive support sheet is provided with a static contact, the static contact is provided with a static contact surface, the static contact surface is a plane, and the static contact surface is provided with a conductive wire. The static contact surface and the extension direction of the wire pressing frame form an included angle used for enabling the static contact surface to face a movable contact on the contact switch pendulous reed, one end of the conductive supporting sheet and the wire pressing frame are integrally arranged, and the conductive supporting sheet is parallel to the static contact surface. The static contact structure of the switch is beneficial for improving the conductivity and the use stability of the switch.

The invention relates to the field of power frequency voltage withstanding tests, in particular to a combined voltage withstanding device, which comprises a test transformer part comprising a first voltage transformation assembly and a second voltage transformation assembly, and the second voltage transformation assembly is stacked above the first voltage transformation assembly to form insertion connection; the protection part sleeves the first voltage transformation assembly and the second voltage transformation assembly and is used for playing a protection role; the two independent small transformers are connected in series, so that the overall size is greatly reduced, meanwhile, the overall weight is split, transportation is more convenient, and use convenience is improved; the two groups of transformers are stacked and connected in series, so that the voltage is multiplied, the transformer can be used for withstand voltage experiments of more than 35KV, meanwhile, the on-site wiring number is effectively reduced, and the safety is improved; and the protection part can support the two groups of transformers to avoid collapse and can limit the mounting position, so that the contact butt joint is more accurate, and the condition of poor contact is avoided.

The utility model discloses a coil joint connecting assembly convenient to disassemble and assemble, and relates to the technical field of coil joints, the coil joint connecting assembly comprises a coil joint and a connecting plug, the front side and the rear side of the coil joint are fixedly connected with first convex plates, and the front side and the rear side of the connecting plug are fixedly connected with second convex plates; a locking assembly is arranged between the first protruding plate and the second protruding plate, the locking assembly comprises a bent plate, and the two ends of the bent plate penetrate to the outer portion of the first protruding plate and the outer portion of the second protruding plate respectively. The bending plate in a linear state penetrates through the first protruding plate and the second protruding plate, then the two ends of the bending plate are rotated by 90 degrees, the clamping rods are driven to enter the fixing blocks under the acting force of the springs, the two protruding plates are locked and fixed, and therefore the coil connector and the connecting plug are connected and fixed, operation is easy and fast, external tools are not needed, and the connecting plug is convenient to use. And the connection stability is better.

The utility model discloses an air inlet adjusting mechanism installed on a motorcycle motor, which relates to the field of motorcycle parts, and comprises a motor main body, an inner sleeve column and an adjusting cap, the inner sleeve column adopts a cylindrical structure and is detachably assembled at the front end of the motor main body, the adjusting cap is movably sleeved on the inner sleeve column, and the inner sleeve column is detachably assembled at the front end of the motor main body. A threaded adjusting rod is rotatably installed in the center of the interior of the inner sleeve column, the tail end of the threaded adjusting rod is in transmission connection with an output shaft of the motor body, an inner limiting sleeve column is installed in the center of the interior of the adjusting cap in the axial direction, a threaded hole is formed in the center of the inner limiting sleeve column in the axial direction, and the front end of the threaded adjusting rod is inserted into the threaded hole in a screwed mode. The adjusting cap is controlled by the motor to move, the gap between the adjusting cap and the throttle valve seat is changed, the air inflow of the throttle valve channel of the motorcycle is controlled, the whole control is simple, and the air inflow control response speed is high, and the efficiency is high.

The beverage machine comprises a cup body, a water outlet base and a tea boiling cup, the machine body is provided with a water purifying tank, a heating part and a second liquid outlet, the heating part is communicated with the water purifying tank and the second liquid outlet, and liquid in the water purifying tank can flow out of the second liquid outlet after being heated by the heating part; the water outlet seat is arranged below the second liquid outlet and comprises a water guide pipe and a second power supply assembly; the tea boiling cup is detachably arranged on the water outlet seat and comprises a cup body, a heating body and a first power supply assembly, a water outlet hole is formed in the bottom of the cup body, and the heating body and the first power supply assembly are arranged at the bottom of the cup body and avoid the water outlet hole in a mode of surrounding the water outlet hole; when the tea boiling cup is installed on the water outlet base, the water outlet hole in the bottom of the cup body is in butt joint with the water guide pipe, the first power supply assembly is electrically connected with the second power supply assembly, and the heating body heats liquid in the cup body in a power-on state. According to the invention, the functions of quickly taking water from the bottom of the tea boiling cup and continuously heating the tea boiling cup are realized.

There is provided a semiconductor device including: a substrate having an active region formed thereon; a gate stack on the active region; a circuit wiring disposed over the gate stack; and a contact via structure on a side surface of the gate stack and between the active region and the circuit wiring, in which the contact via structure includes: a gate contact via extending between the circuit wiring and the active region; a first contact insulating film covering a portion of a side surface of the gate contact via and exposing a remaining portion of the side surface; and a second contact insulating film covering a portion of a side surface of the first contact insulating film, exposing a remaining portion of the side surface, and exposing a remaining portion of a side surface of the gate contact via.

The movable contact assembly comprises a push rod, a first silicon steel sheet and a second silicon steel sheet, the upper portion of the push rod is connected with a bearing plate through a limiting bolt, clamping grooves are formed in the left side and the right side of the bearing plate, movable contact pieces are inserted into the clamping grooves, a carrying plate is arranged at the upper end of the push rod, and the upper end of the carrying plate is provided with a movable contact. A clamping supporting plate is arranged above the carrying plate, limiting pins are arranged on the left side and the right side of the upper end face of the clamping supporting plate, hole grooves for the limiting pins to be inserted are formed in the movable contact piece, a lower bottom plate is arranged in the second silicon steel sheet, an electromagnetic coil is arranged on the lower bottom plate, an upper bottom plate is arranged above the electromagnetic coil, and the upper bottom plate is inserted into the push rod in a penetrating mode. The lower portion of the push rod is movably sleeved with a reset spring which is arranged on the inner side of the first silicon steel sheet. According to the invention, in the process that the moving contact is close to the static contact, the moving contact can be effectively prevented from tilting upwards, so that poor contact of the contactor can be avoided, and the stable effect of the contactor is guaranteed.

The utility model particularly relates to an outdoor power supply with a charging port provided with a dustproof device, which relates to the technical field of outdoor power supplies and comprises an outdoor power supply main body, a plurality of groups of charging interfaces are arranged at the front end of the outdoor power supply main body at equal intervals, and a plurality of groups of telescopic assemblies are arranged in an inner cavity of the outdoor power supply main body. An L-shaped plate is slidably arranged between the two sets of telescopic assemblies, a vertical plate is fixedly connected to the side wall of the L-shaped plate, a restraining groove is formed in the side wall of the vertical plate, a plurality of sets of mounting plates are fixedly connected to the front end of the outdoor power source body at equal intervals, and restraining assemblies are slidably arranged on the side walls of the mounting plates; according to the device, the charging interface is operated by means of the L-shaped plate, so that external dust is not easy to enter an inner cavity of the charging interface, in addition, the L-shaped plate is limited and constrained by means of the constraint assembly, so that the L-shaped plate cannot abrade the surface of the plug, and the condition of poor contact between the plug and the charging interface is avoided to a certain extent.

The invention belongs to the technical field of lightning protection detection equipment, and particularly relates to an urban building lightning protection detection device, which comprises a grounding megger main body, a megger E terminal wire, a megger P terminal wire, a megger C terminal wire and two conductive insertion rods, the bottom end of the grounding megger main body is fixedly connected with a hollow box, the bottom end of the hollow box is hermetically connected with a bottom cover, and the bottom cover is fixedly connected with the grounding megger main body. The bottom cover is fixedly connected with the outer wall of the bottom end of the hollow box through bolts. The urban building lightning protection detection device not only has the function of quickly cleaning the surface of a grounding resistance test point, but also has the functions of damage detection and convenient winding and unwinding of the megger E terminal wire, the megger P terminal wire and the megger C terminal wire, so that the accuracy of the detection result of the lightning protection detection device can be ensured; and the reliability and convenience of use of the lightning protection detection device are also improved, the hidden danger of lightning stroke buried in a building is avoided, the safety of personnel and equipment in the building can be ensured, and the detection intensity of workers is reduced.

The utility model relates to the technical field of biology, in particular to an electrophoresis tank device for isoelectric focusing electrophoresis, which comprises a focusing tank, an IPG adhesive tape, a power supply positive electrode contact column, a power supply negative electrode contact column and an adjusting assembly, the adjusting assembly comprises a connecting frame, four hollow columns, four electric telescopic rods, four sliding rods, an insulating plate, a first mounting frame and a second mounting frame, an electric telescopic rod is started, a sliding rod moves downwards in a hollow column, an insulating plate and a connecting frame are driven to move downwards, a power source positive electrode contact column and a power source negative electrode contact column make contact with the inner bottom wall of a focusing groove, the insulating plate can isolate current existing on a first mounting frame and a second mounting frame, and the electric shock condition is avoided; in this way, the power source positive electrode contact column and the power source negative electrode contact column are rapidly adjusted to make contact with the focusing groove, the situation of poor contact is avoided, and the efficiency and quality of isoelectric focusing electrophoresis are effectively improved.

The present invention discloses an LED plant light source, belonging to the technical field of non-portable lighting devices. The LED plant light source comprises a light strip body, a plurality of evenly distributed lamp beads for emitting light are arranged on the surface of the light strip body, two copper foil strips for conducting electricity are fixedly connected to the inner side of the light strip body, the two copper foil strips are fixedly connected to the positive and negative poles of an external power socket, and the lamp bead structure comprises a first lamp bead body, two symmetrically arranged annular electrodes are fixedly connected to the lower surface of the first lamp bead body, the annular electrodes are fixedly connected to the positive and negative poles of the first lamp bead body, and a threaded groove is provided in the middle of the lower surface of the annular electrode. The present invention arranges a lamp bead structure, and this lamp bead structure can be disassembled and replaced at the position of the light strip body, so that the damaged lamp beads at the position of the light strip can be replaced, and the quantity ratio of lamp beads of different colors can be adjusted and replaced, so that the plant growth light source, i.e., the LED light strip, has a longer service life and stronger adaptability.

The invention relates to the technical field of high-low voltage power distribution cabinets, and discloses a high-low voltage power distribution cabinet wiring assembly and a high-low voltage power distribution cabinet, the high-low voltage power distribution cabinet wiring assembly comprises a plurality of groups of wiring terminal strips with the same structure, an insulating base is provided with wire grooves corresponding to wiring ports one to one, and each group of wiring ports is internally and fixedly provided with a wiring unit; each group of wiring units comprises a conductive seat fixed at the bottom of the wiring port, a binding post is fixed in the middle of the top of the conductive seat, a limiting ring fixed at the top of the conductive seat is coaxially arranged on the outer side of the binding post, a wiring screw is in threaded connection in the binding post, and a pressing plate rotatably sleeves the wiring screw; a limiting ridge is fixed at the top of the side wall of the wiring port, the binding post and the guide seat are integrally formed, and the limiting ring is fixed at the top of the guide seat, so that the wiring terminal is integrated, the condition that a conducting strip slips and is misplaced after loosening is avoided, and the defect that wiring is incomplete due to the fact that the conducting strip loosens and slips when a cable connector is used for wiring is fundamentally overcome.

The utility model provides a quick charging battery pack structure, which relates to the technical field of battery pack structures, and comprises a shell, a rotating rod is rotatably connected in the shell, a torsional spring is sleeved on the surface of the rotating rod, a placing plate is fixedly arranged on the surface of the rotating rod, a filter plate is arranged in the placing plate, and the filter plate is arranged in the shell. The battery comprises a shell, a battery body is arranged in the shell, a limiting groove is formed in the surface of the shell in a penetrating mode, a motor is fixedly installed in the shell, a lead screw is installed at the output end of the motor, and a limiting block is slidably connected into the limiting groove. By arranging a rotating rod, a torsional spring, a placement plate, a filter plate, a limiting block, a limiting groove, a heat dissipation fan, a motor and a screw rod, the situation that dust in air blocks vent holes is prevented while the heat dissipation fan dissipates heat of a battery body is achieved, the effect that maintenance personnel disassemble, assemble, replace or maintain the filter plate is more convenient is achieved, the structure is simple, and the practicability is high. The practicability is high.

The utility model provides an electric connection assembly and consumable box, the electric connection assembly is applied to the consumable box, the electric connection assembly comprises a connection part and a chip, the connection part comprises a main body part and at least one connection arm, the first end of the connection arm is connected to the main body part, and the first end of the connection arm is connected to the main body part along a first direction. A gap is formed between the second end of the connecting arm and the main body part; the chip is provided with a first contact part, and when the chip and the connecting part are in an installation state, the second end of the connecting arm applies an abutting force towards the first contact part, so that the second end of the connecting arm is in electric contact with the first contact part. The image forming device is used for solving the technical problem that stable communication between the chip and the image forming device cannot be achieved or communication is interrupted, and the stability of communication is improved.

The utility model relates to a normally-closed safety switch, which comprises a base and a shell arranged on the base, a fixed contact assembly is arranged in the shell, a button assembly is arranged at the upper end of the shell, a movable contact assembly is arranged at one end of the button assembly, the fixed contact assembly comprises two terminals and two static contact pieces, and the static contact pieces are arranged on the base. The two static contact pieces are oppositely arranged in the shell, the movable contact assembly comprises a support and a movable contact, the support is arranged between the two static contact pieces, the movable contact is arranged on the support, each static contact piece comprises a connecting part and a contact part, the connecting part is arranged between the terminal and the contact part, the contact part is arranged above the support, and the movable contact is arranged on the support. The movable contact is driven by the button assembly to move towards the base so that the movable contact can be disconnected from the contact part or move back to the base so that the movable contact can be connected with the contact part. The technical scheme provided by the utility model has the technical effects of simple and reasonable structure and capability of meeting special use requirements of users.

The utility model relates to the technical field of earphones, in particular to a device for preventing a plug wire from loosening and a headphone thereof, the device comprises a plug wire, a locking sleeve and a nut, one end of the plug wire is provided with a data plug, the data plug is inserted into the locking sleeve, the locking sleeve comprises a conical sleeve and an external thread sleeve, and the surface of the external thread sleeve is provided with external threads. A contraction port of the conical sleeve is connected with the inlet end of the external thread sleeve, the thread depth of the external thread is gradually shallower from the inlet end to the tail end, the external thread sleeve is provided with at least two connecting notches, the connecting notches are evenly distributed on the external thread in the circumferential direction, and the nut is arranged at the inlet end of the external thread in a sleeving mode. The external thread sleeve is contracted, so that the position of the tail end of the data plug is limited, the data plug cannot be pulled out of the locking sleeve, the situation that a plug-pull line loosens and falls off from the headset due to external force when a user uses the headset, and poor contact is caused can be avoided, and the use experience of the user is guaranteed.

The utility model relates to a plug-in assembly, a heating device, a heating and ventilation system and an automobile. The plug-in assembly comprises a pole piece, a wrapping and clamping piece, a connecting piece and a limiting piece. The pole piece is inserted into the wrapping and clamping piece, and the two sides of the wrapping and clamping piece abut against the two sides of the pole piece; two ends of the pole piece extend out of two ends of the wrapping and clamping piece; the connecting piece is provided with a slot, and the pole piece is inserted into the slot; and the limiting piece is arranged on the slot and is used for abutting against the pole piece. According to the application, the pole piece is inserted into the wrapping and clamping piece, and the two sides of the pole piece are supported and protected through the wrapping and clamping piece, so that the situation that the pole piece is bent and deformed in the inserting process, and thus poor contact occurs between the pole piece and a control component or a power supply component is avoided. The pole piece is prevented from being separated from the slot of the connecting piece through the limiting piece, so that the plugging reliability of the plugging assembly can be improved. When the plug-in assembly is applied to the heating device, the heating core body and the controller can be electrically connected in a separable mode through the plug-in assembly, and independent production of the heating core body and the controller can be achieved.

The invention relates to the technical field of vision rehabilitation treatment, and discloses a vision rehabilitation treatment device which comprises a cover type treatment assembly, a mirror type treatment assembly and a combined treatment assembly, the cover type treatment assembly comprises a treatment body and an elastic headband, and the mirror type treatment assembly comprises a mirror frame and two mirror legs. And the combined treatment component is formed by combining a treatment main body and two glasses legs. According to the vision rehabilitation treatment device, the cover type treatment assembly can be worn during rest and can only treat the front sides of the eyes, the mirror type treatment assembly is worn during daily work and can treat the front sides of the eyes, the temples and the side edges of the ears while the eyes are used, and the combined type treatment assembly is worn during rest and can be used for treating the front sides of the eyes, the temples and the side edges of the ears. The combined type treatment assembly can be used for treating the front sides of the eyes, the temples and the ears at the same time, and the combined type treatment assembly is formed by disassembling and assembling the cover type treatment assembly and the mirror type treatment assembly and does not need to be manufactured independently, so that the production and use cost is reduced.

According to the technical scheme, the general new energy automobile battery pack module is characterized in that the general new energy automobile battery pack module comprises a first fixing box, a box cover is arranged on the top face of the first fixing box, the first fixing box and the box cover are connected through a hinge, two through holes are formed in the top face of the first fixing box, and the through holes are communicated with the box cover. Two threaded holes are formed in the top face of the box cover, a gasket is arranged in a through hole formed in the top face of the first fixing box in a sleeved mode, a mounting rod is arranged in a through hole formed in the top face of the first fixing box in a sleeved mode, the gasket is located on the outer wall face of the mounting rod, and the mounting rod is composed of a cylindrical structure and a threaded rod on the bottom face. A sleeving groove is formed in the outer wall face of the cylindrical structure of the mounting rod, a sliding ring is arranged in the sleeving groove in a sleeving mode, a clamping hook is fixedly installed on the outer wall face of the sliding ring, and two clamping buckles are fixedly installed on the top face of the box cover. And poor contact is caused.

The invention discloses a novel connector of a PE wire and a terminal board, and belongs to the technical field of connection of the PE wire and the terminal board. A novel connector of a PE wire and a terminal board comprises an anti-falling piece used for being matched with a preformed hole of the terminal board and a clamping piece used for being clamped at the position of the terminal board, the clamping piece comprises an upper clamping piece and a lower clamping piece, one end of the upper clamping piece and one end of the lower clamping piece are hinged along a rotating part, and the other end of the upper clamping piece and the other end of the lower clamping piece are oppositely arranged in a pressing mode. Compared with the prior art, the PE wire is connected with the terminal plate without a bolt, the assembly and disassembly are simple and rapid, the connection effect is good, the terminal plate is not easy to fall off, and the PE wire is not easy to fall off even under external vibration or impact through the clamping effect of the upper clamping piece and the lower clamping piece and the dual connection mode that the anti-falling piece is matched with the preformed hole in the position of the terminal plate. According to the connector provided by the utility model, the stable connection between the connector main body and the terminal board can be ensured, loosening or falling is prevented, the reliability and safety of connection are improved, and the condition of poor contact between the connector main body and the terminal board caused by irresistible reasons is avoided.