50results about How to "Prevent accidental release" patented technology

The utility model discloses para aminobenzoic acid weighing equipment, and particularly relates to the technical field of aminobenzoic acid processing equipment, which comprises a weighing equipment body, an aminobenzoic acid powder container is placed at the top end of the weighing equipment body, a rotating handle is fixedly connected to the top end of the weighing equipment body, a protective plate is rotatably arranged outside the rotating handle, and the protective plate is fixedly connected with the weighing equipment body. The protective plates are arranged above the aminobenzoic acid powder containing container, the protective plates are symmetrically arranged on the weighing equipment body, and the two sets of protective plates are rotationally connected to the rotating handle; the rotating handle arranged at the top end of the weighing equipment body and the protective plate rotationally connected with the rotating handle can form a physical barrier when the powder is dumped, disturbance of external airflow to the powder is blocked, and meanwhile accidental leakage of the powder is prevented; as the protective plate is attached to the aminobenzoic acid powder container without contact surfaces, the natural weighing process of the container cannot be interfered, and the accuracy of weighing data is ensured.

This utility model discloses a structurally stable and easy-to-install drying rack, including a first leg, a second leg, a first shelf, a second shelf, and a folding assembly. The upper ends of the first and second legs are hinged together, and the lower ends of the first and second legs unfold and support the ground. The first and second shelves are correspondingly hinged to the first and second legs. A first tube is fitted onto the first shelf through a first sleeve hole; a second tube is fitted onto the second shelf through a second sleeve hole. When the shelf and the leg unfold simultaneously, the second tube flips downward and unfolds around its hinge point with the first tube, embedding itself in the limiting groove of the first tube. When the shelf and the leg fold simultaneously, the second tube flips upward and folds out of the limiting groove, using its hinge point with the first tube as a fulcrum. This improves the overall structural strength and stability of the drying rack, reduces replacement costs, and makes the assembly and disassembly of the drying rack more convenient.

The utility model discloses a ball valve, including valve body, flow passage, ball and drive part. The valve body is equipped with filter assembly, including filter block and fixed part, is equipped with installation cavity on filter block, is equipped with filter screen in installation cavity. The arc rotation groove is equipped on filter block, and the flow passage department of valve body one side is equipped with limit stop, and the limit groove that communicates rotation groove is still equipped on filter block, and the fixed part is inserted in the junction of rotation groove and limit groove to fix filter block. The support frame is equipped on filter screen, and the outer periphery of support frame is equipped with support block, and the arc installation groove is equipped in filter block, and support block realizes support frame installation in the sliding of installation groove. The fixed ball and spring are equipped in installation groove, and spring drive fixed ball and support block on the cooperation locking of clamping groove. The fixed part includes locking frame, and is equipped with limit portion and abutting portion on it, and abutting portion abuts in rotation groove, and limit portion is inserted in the sealing groove on valve body. The utility model filter assembly convenient to dismount, and fixed reliable, is convenient for washing or replacement filter screen.

The application discloses a polymerization inhibitor detection device with an intelligent sensor and relates to the technical field of high polymer materials.The device comprises a storage tank, a valve, an additive tank and a safety cover.The inside of the storage tank is used for storing butadiene.The valve is fixedly installed on the surface of the storage tank and is used for controlling the injection of an additive solution.The additive tank is fixedly installed on the top of the valve.The safety cover is arranged on the top of the additive tank and is provided with a circular hole on the top.The motor is fixedly installed on the top of the safety cover.The stirring rod is fixedly installed on the output end of the motor and rotationally penetrates through the bottom of the safety cover.The stirring rod is used for mixing the additive solution.The intelligent sensor is arranged to monitor the solution concentration in real time, and the polymerization inhibitor is automatically supplemented when the solution concentration is relatively large, so that the processing effect is improved.

The utility model discloses an interior installation structure of combined pendant, including pendant main part, ornament, pendant cover and rotation part, connecting shaft penetrates pendant main part, one end fixed cross block and extends into the ornament cavity, and the other end is connected through the connecting sleeve and connects the rotation part, and the connecting sleeve is equipped with the protruding block symmetrically in the circumference, and the end face of rotation part is equipped with the adaptive clamping groove, ornament side surface sets up the connecting groove containing cross -shaped part and round part, when rotating, connecting shaft drives cross block to rotate, makes cross block and connecting groove cross -shaped part dislocation locking ornament, and the end face of rotation part is equipped with the inclined surface recess and the fixed inclined surface of pendant main part and is clamped, forms the rotation gear self -locking, is equipped with spring body in the connecting sleeve, provides rotation part reset force, and small sleeve is through guide sliding block and sliding groove sliding fit, ensures that connecting shaft axial stability, the utility model realizes ornament "presses -rotates " formula quick detach, solves traditional structure and disassembles complicated, and the technical problem of easy to come off is solved.

The utility model belongs to the technical field of cutter disassembly and assembly, and particularly relates to a cutter locking structure which comprises a cutter and a cutter handle, and a cam tensioning mechanism is arranged between the cutter and the cutter handle. The cam tensioning mechanism comprises a lock shaft and an eccentric wheel installed on the lock shaft, an axial tensioning piece is arranged between the cutter and the cutter handle, the axial tensioning piece is movably assembled in the cutter handle, one end of the axial tensioning piece is in threaded connection with the cutter, and a tensioning hole is formed in the axial tensioning piece; or a tensioning hole is formed in the short taper shank of the cutter; the axis of the tensioning hole coincides with the central axis of the cutter handle and is perpendicular to the axis of the lock shaft. The lock shaft can rotate relative to the cutter handle, penetrates into the cutter handle and is connected with the tensioning hole in an inserted mode so that the eccentric wheel can be located in the tensioning hole, the eccentric outer side of the eccentric wheel makes contact with the hole wall of the tensioning hole, and the eccentric wheel drives the cutter to move in the axial direction of the eccentric wheel under rotation of the lock shaft so as to tension the cutter. And a locking structure is arranged between the lock shaft and the knife handle. The tool can be prevented from loosening and rotating relative to the tool handle, machining precision is guaranteed, machining efficiency is improved, and machining cost is saved.

The utility model relates to a technical field of sky screen, especially a kind of adjusting structure device for sky screen.A kind of adjusting structure device for sky screen includes: lamp hook, for hanging on external circular tube;Connecting plate, for installing LED box;Adjusting column, its upper portion is rotatably connected with the lamp hook, its lower portion is rotatably connected with the connecting plate;Wherein, by manually rotating the adjusting column, the connecting plate can be driven relative to the lamp hook and moves in vertical direction, to realize the levelness adjustment of the connecting plate.The utility model integrates suspension, adjustment, connection function in one, and the limiting mechanism can effectively prevent the adjusting column from accidental loosening in connecting piece, and the safety is enhanced;Loosen screw makes that box body installation and disassembly are convenient and will not lose spare parts;The design of positioning column realizes the quick pre-positioning of LED box, further improves installation efficiency and accuracy.

This application discloses an ink cartridge storage device, including a housing and a storage base. The storage base is slidably installed inside the housing and can pop out or retract relative to the housing. The storage base has a storage cavity for accommodating multiple ink cartridges. The top of the storage base has a cover for opening and closing the housing. The housing has a locking mechanism, and the bottom of the storage base has a latch adapted to the locking mechanism. The latch is slidably connected to the locking mechanism to lock the storage base inside the housing. A first elastic element is provided between the storage base and the housing. The cover is pressed against the storage base, causing the latch to be forced to unlock from the locking mechanism. The storage base pops out relative to the housing under the action of the first elastic element. This device not only effectively protects the ink cartridges but also has the advantages of simple and labor-saving operation and quick access to the ink cartridges.

The utility model relates to the technical field of graphite bearings, in particular to a wear-resistant graphite bearing for an automobile electronic water pump, which comprises an outer ring, a dismounting assembly and a limiting assembly, the dismounting assembly is rotationally mounted in the outer ring and used for dismounting the interior of the bearing, and internal parts can be replaced conveniently; and the limiting assembly is arranged in the dismounting assembly and used for limiting and fixing the dismounting assembly and relieving limiting so as to facilitate dismounting. Compared with the prior art, the graphite bearing solves the problems that an internal rolling body of a traditional graphite bearing cannot be rapidly replaced, and the maintenance efficiency is low.

The utility model relates to a water injection pump technical field, concretely relates to a portable miniature water injection pump device. Including the car body, the first motor and the pump body are fixed to the car body upper end, and the output shaft of first motor and the input shaft of pump body are connected through the shaft coupling, and one side of car body is fixed with the side plate, and the support rod is fixed to the side plate, and the support rod is perpendicular to the side plate, and the second motor is concentrically fixed to the end of support rod away from the side plate, and the output shaft of second motor is concentrically fixed with the turntable, and the central rod is rotatably connected to the turntable, and the long slot is set up on the turntable, and the sliding block is elastically slid in the long slot, and the sliding rod is fixed to the sliding block upper end, and the rotating sleeve is rotatably arranged on the sliding rod outside, and the water inlet hose passes between the rotating sleeve and the central rod. The utility model drives the turntable, sliding rod and rotating sleeve through the second motor, and realizes the automatic winding function of water inlet hose in combination with spring sliding block system.

The adaptive grabbing and transporting unmanned aerial vehicle comprises a flying carrying module and a transporting box, the transporting box is provided with an annular flange matched with the four-point mounting system on the peripheral side, and the mounting and locking system of the square four motors is clamped and fixed; the mounting and locking system of the square four motors comprises four hollow cup motors distributed in a square shape; the tight clamping rope assembly is connected with a section of tight clamping rope on both sides of each hollow cup motor, the tight clamping ropes of the two hollow cup motors arranged oppositely are connected with each other to form a square tight clamping structure, and a variable opening for accommodating the transporting box is formed in the middle of the square tight clamping structure; and the controller is electrically connected with the four hollow cup motors and is used for controlling the four hollow cup motors to synchronously rotate in the forward direction or the reverse direction. The adaptive grabbing and transporting unmanned aerial vehicle has the mechanical self-locking function, is strong in environmental adaptability, supports one-key autonomous operation, and is compatible with various box sizes.

The utility model discloses a kind of magnetic attraction type goggles helmet, including helmet main body and magnetic attraction goggles structure;The utility model is provided with magnetic attraction goggles structure by being set in the front of helmet main body, by taking off goggles from No. 2 suction point, then overturning 180 degrees, goggles and assembly groove are docked and buckled, at this time, magnetic attraction component and No. 1 suction point are magnetically attracted, to install goggles in the inboard of assembly groove, the installation use of goggles can be completed, after goggles are taken off from No. 2 suction point, anti-drop rope can be accurately installed back assembly groove by its own contraction elastic traction goggles, without naked eye calibration, guarantee the accurate quickness of goggles adjustment action, goggles can be quickly attached installation / dismounting, single-handed operation is smooth, it is more convenient to use, and by means of anti-drop rope, goggles and helmet main body are always kept connected, to provide anti-drop protection for goggles, prevent goggles from being lost due to accidental drop during adjustment process, ensure safety.

The utility model relates to steel structure construction support technical field, concretely is a kind of steel structure construction support, including base and mounting pole, first lifting rod is slidably installed in mounting pole, second lifting rod is slidably installed in first lifting rod, and positioning seat is fixedly installed on the upper end of second lifting rod, adjusting mechanism for the height adjustment of positioning seat is equipped in mounting pole, and positioning mechanism is equipped in positioning seat;Adjusting mechanism includes screw rod rotatably installed in mounting pole and screw pipe rotatably installed in first lifting rod.Through three levels nested telescopic structure combination screw pipe double adjusting mechanism of screw rod, the total height of support wide, fine stepless regulation has been realized, greatly improves the adaptability of support to different installation height demand and different specification size equipment / pipeline, avoids the frequent replacement of special support for different working conditions, improves universality and construction efficiency.

The utility model discloses a kind of detection devices, detection device is used to detect boiler, detection device includes: first shell, guide rail sleeve, guide rail support, guide rail assembly and detection piece, first shell is located on the outer circumferential wall of boiler and with the outer circumferential wall of boiler defines installation space, the outer circumferential wall of boiler is equipped with opening;Guide rail sleeve is located in installation space, guide rail sleeve is communicated with opening;The length direction of guide rail support one end is located on first shell;Guide rail assembly is movable along the length direction of guide rail support, the length direction of guide rail assembly one end is inserted into guide rail sleeve;Detection piece is located in the insertion of guide rail assembly into guide rail sleeve one end, when guide rail assembly continuously inserts into guide rail sleeve and reaches limit position, the insertion of guide rail assembly with detection piece one end into opening.According to the detection device of the utility model, the inside of boiler can be detected, and the accidental leakage of flue gas, flame and the like in the boiler is avoided, and the working efficiency of the boiler is avoided from being affected.

The utility model discloses a sheet metal part processing and welding device which comprises a machine body, a welding assembly installed on the top of the machine body and capable of vertically lifting and a tool die arranged on the top of the machine body, the top of the machine body is connected with a bearing plate in a sliding mode through a guide rail, and the two sides of the bearing plate are movably connected with supports through pin shafts. A supporting plate is fixedly connected to the side, away from the pin shaft, of the support, the tool mold is placed on the top of the supporting plate, and a driving structure is arranged on the surface of the welding assembly. The guide rail is in sliding connection with the bearing plate, a pin shaft movable structure of the support and the supporting plate is combined, the inclination function of a tool mold is achieved, the mold posture is driven to be adjusted through lifting power of the welding assembly, and extra energy is not needed; after the die inclines, the contact area of the die and the workpiece is reduced, a natural gap is formed, the adhesion risk is reduced, prying operation is not needed during workpiece taking, and the discharging efficiency is remarkably improved.

This invention relates to the field of rat gavage technology, specifically a rat gavage aid. It includes a placement box for holding the rat, a restraint assembly for securing the rat's body movably mounted on the surface of the placement box, and a spreading assembly for opening the rat's mouth fixedly mounted at one end of the placement box. The spreading assembly includes a mounting plate, the bottom of which is fixedly mounted at one end of the placement box. Four corner bolts of the fixing plate are mounted on the top of the mounting plate, and one end of the mounting plate is welded to the middle of the fixing plate. A pull rod is inserted into the middle of a sleeve and passes through the outside of the mounting plate. A mounting block is fixedly mounted at one end of the pull rod, and one end of a transmission plate is symmetrically rotated at both ends of the mounting block. This invention, by precisely controlling the opening degree of the spreading clamp, can avoid unnecessary harm to the rat and reduce its suffering. The stability and reliability of the restraint assembly and the spreading assembly help ensure the accuracy of the gavage operation, thereby improving the reliability of experimental results.

The utility model relates to power safety warning technical field especially, it is a kind of self-luminous electric power signboard, solve the problem that signboard lacks height adjusting function in prior art, it is difficult to adapt to different terrain and sight demand.A kind of self-luminous electric power signboard, including base, installation frame and signboard, installation frame is connected with the top of base by vertical lifting structure, installation frame side is equipped with the installation slot compatible with signboard, the both sides of installation slot inner wall are equipped with the insertion slot, each insertion slot inside swing joint is limited to the limit board, and the limit board side is fixedly connected with the positioning plate of the detachable connection with installation frame side wall.The utility model adjusts installation frame height by vertical lifting structure, so that signboard can adapt to different ground conditions and visual demand, improve warning effect under complex environment, meanwhile, signboard can be quickly disassembled and replaced, cooperate with self-luminous material to enhance night visibility, realize flexible, stable, efficient power warning function.

The utility model relates to the technical field of anti-twist steel wire ropes, in particular to an anti-twist steel wire rope safety protection piece which comprises a safety protection sleeve and an anti-twist steel wire rope body located in the safety protection sleeve, and the safety protection sleeve comprises an inner sleeve and an outer sleeve which are coaxially nested. The inner sleeve is sequentially provided with an inner layer, a middle layer and an outer layer from inside to outside, a locking mechanism is arranged on the outer side wall of the outer sleeve, the locking mechanism comprises a limiting groove formed in the outer side wall of the outer sleeve, the depth of the limiting groove is 2-3 mm, and the width of the limiting groove is 1.2 times of the diameter of the locking rope; the locking rope is formed by twisting a plurality of strands of stainless steel wires, the surface of the locking rope is coated with a polyurethane anti-skid layer, and the diameter of the locking rope is 4-6 mm; the two fixing plates are symmetrically arranged on the two sides of the limiting groove, the fixing plates are fixed to the outer side of the outer sleeve in a welded mode, it is guaranteed that locking force is stable for a long time under dynamic loads (such as start-stop impact and high-frequency vibration) through double looseness prevention of combination of mechanical locking and thread pre-tightening, and safety failure caused by looseness of the protective sleeve is avoided.

The utility model discloses a mounting and locking mechanism of an electric automobile battery, which adopts a split design of a first lock body and a second lock body, the battery on the second lock body and the first lock body on an electric automobile are quickly disassembled and assembled through a spring bolt, the requirement on assembly precision is low, the whole structure is compact, and the mounting and locking mechanism is suitable for limited space layout of the electric automobile. Vertical and parallel switching of the pressing strip and the kidney-shaped hole is achieved through 90-degree rotation of the spring bolt, a mechanical interlocking structure is formed in combination with threaded driving of the unlocking nut, the pressing strip vertically presses the two sides of the through groove during locking, stable locking force is provided, accidental loosening caused by vibration in the vehicle running process is effectively avoided, safety is improved, and the service life of the vehicle is prolonged. According to the electric vehicle battery quick-change locking device, quick separation can be achieved by reversely rotating the nut during unlocking, operation is easy and convenient, reliability is high, the disassembly and assembly efficiency is improved, in conclusion, the reliability is high, operation convenience and safety are achieved, the requirements for quick change and stable locking of an electric vehicle battery can be met, meanwhile, the maintenance cost is reduced, and the remarkable practical value and market application prospects are achieved.

The utility model discloses an SR fixing structure, which comprises a charging head main body and an SR main body, and a charging circuit board is arranged in the charging head main body. The charging head main body and the SR main body are assembled through a fixing clamp so as to realize fixation of the SR main body, the charging head main body comprises a bottom shell and a surface shell, the bottom shell and the surface shell are mutually spliced, the bottom shell is provided with a fixing position, and the position of the fixing position corresponds to the position of the fixing clamp. According to the utility model, through the arrangement of the fixing clamps and the fixing positions, the installation process of the SR main body becomes simple and easy, and the assembly time is greatly saved; and a user can easily fix the SR main body on the charging head main body, so that the dependence on professional tools and technologies is reduced.

The utility model discloses a portable flexible reliable stage lamp hanging spare. The preceding stage lamp hanging spare includes lamp body, and the lamp body outer surface rotatory connection has connecting seat, and the connecting seat top is installed with the mounting seat, and the mounting seat top is provided with the mounting mechanism, and the mounting mechanism top is fixed with the base, and the base top is fixed with the hook, and the base outer surface is provided with the locking mechanism, and the mounting seat both sides are installed with the handle. The locking mechanism includes the support fixed in the base top, the rotary link with the support inner wall both sides rotatory connection, the connecting rod of sleeve joint in the rotary link outer wall and the arc plate fixed in the connecting rod inner wall both sides. The utility model can replace the lamp body fast, improved the flexibility of light combination, in addition, based on the embrace clamping to prevent accidental loosening, simple operation can improve the installation efficiency, reduced the work difficulty of operating personnel in the high altitude operation time.

The utility model discloses an anti-interference radio frequency antenna which comprises a substrate. The radio frequency antenna main bodies are arranged on the substrate in an array manner; the mounting mechanism is fixed on the substrate, surrounds the radio frequency antenna main body and is used for fixing the radio frequency antenna main body; the anti-interference assembly is detachably mounted on the mounting mechanism and covers the outer side of the radio frequency antenna main body, the mounting mechanism comprises an annular fixing seat, an annular groove and a plurality of communicating grooves are formed in the annular fixing seat, the anti-interference assembly comprises an anti-interference protective cover, and an annular suction cup is arranged at the bottom of the anti-interference protective cover. According to the utility model, convenient installation and stable looseness prevention of the radio frequency antenna main body are realized through a mechanical interlocking structure, and meanwhile, the protective cover and the anti-interference layer are integrated, so that the structural reliability and the signal anti-interference performance in a complex environment are effectively improved.

The utility model relates to the technical field of automobile cable tie winding and unwinding, and discloses a winding and unwinding device for automobile cable tie, which comprises a placing cabinet, a drawer is installed on the inner side of the placing cabinet, and a handrail is fixed to the left side surface of the placing cabinet, the winding and unwinding device for automobile cable tie is provided with a protection assembly, when the placing cabinet needs to be moved, the arc-shaped plate is pulled to move close to the handrail, the arc-shaped plate, the long rod, the T-shaped plate, the moving plate, the rack, the gear, the worm, the worm wheel, the short rod, the arc-shaped groove and the fixed rod are used to make the friction block move upwards and separate from the ground, at this time, the roller can move, when the hand accidentally slips, the spring drives the moving plate, the T-shaped plate, the long rod and the arc-shaped plate to reset, the rack drives the gear, the worm and the worm wheel to reverse, the short rod drives the fixed rod and the friction block to move downwards and contact the ground, so that the placing cabinet can be braked urgently, accidental hand slipping can be avoided, the placing cabinet cannot move by inertia, collision with surrounding objects can be avoided, and the equipment can be prevented from being damaged.

The utility model discloses a cleaning tool rod dismounting structure which comprises a first pipe body and a second pipe body which are alternatively provided with a working part, the working part can be a rolling brush, a scrubbing brush, a hook and the like and is arranged on the first pipe body or the second pipe body, the second pipe body is sleeved on the periphery of the first pipe body, and the working part is arranged on the first pipe body. A pair of opposite first through holes are transversely formed in the first pipe body, protrusions are arranged in the first through holes, and the second pipe body is provided with clamping positions for containing the protrusions; a V-shaped piece is further arranged in the first pipe body, the free end of the V-shaped piece is connected to the protrusion, a V-shaped slope abutting against the V-shaped piece is arranged in the first pipe body, a button pressing the V-shaped piece to the V-shaped slope is arranged on the V-shaped piece, and a button hole allowing the button to stretch out and draw back is formed in the first pipe body. Through cooperation of the V-shaped piece, the protrusion and the button, quick connection and separation of the tool rod are achieved. Due to the linkage design of the V-shaped pieces and the protrusions, connection is firmer, and accidental falling is not likely to happen in the using process.

This utility model discloses a rectifier mesh mold, relating to the field of rectifier mesh technology. It includes an injection port, with an upper mold fixedly connected to the bottom of the injection port. A cooling water pipe is provided on one side of the upper mold, and a forming component is provided at the bottom of the upper mold. A sliding rod is fixedly connected to the bottom of the upper mold, and a lower mold is slidably connected to the outer wall of the sliding rod. To solve the problem in existing molds where multiple parts cannot be produced at once, this rectifier mesh mold, after closure, allows molding liquid to be injected from the injection port. The liquid flows out through a channel and smoothly enters the mold cavity, filling it completely. This ensures uniform filling of the molding liquid, resulting in a complete and stable structure of the molded workpiece, reducing defective products, and improving production efficiency. The mold can accurately form sprue material and workpieces, facilitating subsequent separation and processing, reducing production costs, and bringing better economic benefits and product competitiveness to enterprises.

This utility model discloses a mold side forming mold structure, including a mounting platform, a top pressing mechanism, a mounting snap-fit ​​mechanism, and a stabilizing mechanism. The top pressing mechanism includes a support frame and a snap-fit ​​rod. The mounting snap-fit ​​mechanism includes a locking spring block and a counter-tension spring rod. The stabilizing mechanism includes a rotating frame and a double-layer clamping ring. The top pressing mechanism provides overall stable support to ensure that the structure does not shake during the pressing process. The top pressing cylinder provides precise and controllable pressure to ensure the stability of the workpiece position during the forming process. The symmetrically designed side plates enhance the structural rigidity and improve the forming accuracy. The mounting snap-fit ​​mechanism realizes precise locking and unlocking operations and enables rapid locking and releasing of the snap-fit ​​rod. In conjunction with the guide groove, locking spring block, and counter-tension spring rod structure, the assembly convenience and locking reliability are improved.

The utility model relates to the technical field of electronic equipment accessories, in particular to a data line connector and a data line, the data line connector comprises a connector part, and the connector part comprises a first shell, a PCB (Printed Circuit Board) and a data connector; the PCB comprises a middle part, a first plate structure, a second plate structure and a rotating plate provided with a terminal ring group; the connecting part comprises a second shell provided with an accommodating groove and a terminal pin group; the connector part is rotationally connected with the connecting part; the rotating plate is contained in the containing groove, and the terminal pin set abuts against the terminal ring set and is electrically connected with the terminal ring set. Through the arrangement of the first board structure and the second board structure, the circuit structure of the PCB is arranged on the two board structures, thereby facilitating the reduction of the length of the board body of the PCB, shortening the length of the data line connector, facilitating the reduction of the influence of a slight external force on the data line connector during the normal use, and avoiding the accidental loosening of the data line connector. The utility model also provides a data line comprising the data line connector.