93results about How to "Avoid loose connections" patented technology

The application relates to a gear expansion sleeve structure for coaxially fastening a gear on a connecting shaft, which comprises an inner pressure expansion sleeve, an outer pressure expansion sleeve and adjusting screws, the inner pressure expansion sleeve is axially symmetrically sleeved on the outer surface of the connecting shaft, the inner surface of the inner pressure expansion sleeve is gradually abutted against the outer surface of the connecting shaft; the outer pressure expansion sleeve is axially symmetrically sleeved on the inner diameter of the gear, and the end portion is abutted against the end surface of the gear, the outer surface of the outer pressure expansion sleeve is gradually abutted against the inner surface of the inner pressure expansion sleeve; the adjusting screws are provided with a plurality of end portions penetrating through the inner pressure expansion sleeve and the outer pressure expansion sleeve, and the inner pressure expansion sleeve is axially moved by being extruded through the axial movement of the adjusting screws, and is abutted against the inner surface of the outer pressure expansion sleeve and the outer surface of the connecting shaft, and the outer surface of the outer pressure expansion sleeve is extruded to the inner surface of the gear. The application realizes the stability between the gear and the connecting shaft, makes the component combination force more reasonable, and ensures the stability of the overall structure.

The utility model discloses a kind of high-precision plug-in durability test equipment, belong to quick coupling detection technical field, including test box, the inside fixed connection of test box has workstation, the top fixed connection of workstation has the bottom plate of upper and lower parallel distribution, and fixedly connected with precision guide rod between bottom plate;The utility model, the setting of precision guide rod ensures that the sliding direction of push plate is accurate, prevents push plate deviation and causes plug alignment deviation;Female plug and female plug base thread connection, male plug and male head base bolt fixing mode, both facilitate staff to dismantle replacement female plug and male plug at any time, adapt to the test demand of different model plug, improve equipment versatility;Driving unit drives push plate to complete plug-in action automatically, replace manual operation, not only improve test efficiency, also avoid the error of manual operation, ensure the consistency of test result.

The utility model belongs to the field of electric power line fault monitor, specifically is a kind of electric power line fault monitor with hardware installation structure, including monitor, the bottom of the back of monitor is fixedly connected with hinge in axial symmetry, the top of hinge is fixedly connected with telescopic subassembly, the top of telescopic subassembly is fixedly connected with positioning assembly, the top of the back of monitor is fixedly connected with frame in axial symmetry, the side of frame is fixedly connected with rubber pad;Through the wire slot bearing electric power line of positioning assembly, and through rotating outer-screw pipe drive its inside detection probe along thread hole and compact electric power line of setting of interference fit, realize the quick, firm, adjustable and anti-loosening connection of detection probe and electric power line, in combination with the buffering effect of rubber ring, effectively prevent the connection slackening caused by vibration or external force, guarantee the long-term stability of signal detection and the accuracy of measured data.

The utility model discloses a PTC heater structure, including a plurality of PTC heating tube, a plurality of radiating fins and mounting seat, a plurality of PTC heating tube installation is positioned on mounting seat, and a plurality of radiating fins interval arrangement sets up on PTC heating tube, still be provided with corrugated elastic metal sheet between a plurality of radiating fins and mounting seat, the corrugated elastic metal sheet is nickel base alloy material quality, a plurality of radiating fins and mounting seat are all aluminum material quality, the contact surface of a plurality of radiating fins is close to PTC heating tube and has coated nano alumina heat conduction coating, like this, through the elastic deformation absorption vibration energy, and gradient thermal expansion design, reduce the thermal stress, reduce the mechanical stress between mounting seat and fin aluminum pipe, prevent the connection loose after long -term use.

This invention discloses a cable tray box and a handcart-type switch cabinet having the same, comprising a box body, a stripping component, an anti-pull component, and a straightening component. The stripping component, installed inside the box body, can strip the cable sheath. The anti-pull component, installed inside the box body, limits the cable winding and prevents the other end of the cable from being pulled or causing the cable end with the terminal to fall off during the stripping process. The straightening component, installed inside the box body, straightens the bent cable, restoring it to a straight state. By integrating the stripping component, the anti-pull component, and the straightening component, this invention achieves precise stripping, effective anti-pull, and automatic straightening, thereby improving cable routing efficiency, safety, and reliability. It solves the problems of inaccurate stripping, easy pulling of cables leading to loosening, and bending caused by clamping that exist in traditional handcart-type switch cabinets during the cable routing process.

This utility model provides a vehicle battery connection PCBA wiring harness for use in PCBA wiring harnesses, including a male connector and a female connector. The male connector has elastic claws, and the female connector has a locking post. The locking post includes a tapered end and a column. The tapered end has a notch and a mounting groove, and the column has several equally spaced spiral grooves. The female connector contains ball bearings, and a tension spring is fixed between the locking post and the female connector. Two sets of elastic claws are symmetrically fixed to the bottom of the male connector. An unlocking block is slidably connected to the top of the male connector, and an elastic insulating pad is clamped between the unlocking block and the male connector. The unlocking block extends to both sides of the elastic claws and is fixed with an arc-shaped baffle. This utility model can effectively resist vehicle vibration and ensure connection stability through the locking structure of the locking post and claws. Unlocking can be achieved simply by lifting the unlocking block, making the operation simple and convenient, and facilitating later maintenance and wiring harness replacement.

This utility model provides a copper ingot discharge and segmentation device, belonging to the field of material punching technology. It includes a punching head that can move up and down, comprising a drive rod directly or indirectly connected to a drive component, the drive rod being movable up and down; a punching rod fixed to the drive rod, with a punching portion at its bottom for punching copper ingots within a mold; and a connecting rod located between the punching rod and the drive rod, both ends of which have threaded portions. Corresponding to the threaded portions, threaded holes are provided at the top of the punching rod and the bottom of the drive rod. The connecting rod can be fixed to the top of the punching rod or the bottom of the drive rod via threaded engagement. This utility model allows the punching head to be adjusted into a split structure, and this split structure is detachable, allowing for quick replacement after damage to the punching head, thereby reducing equipment maintenance time and indirectly improving the efficiency of copper ingot discharge.

The utility model relates to outdoor mobile power supply technical field discloses an outdoor energy storage equipment with prevent short circuit, including protection shell, the outside fixed connection of protection shell has clamping fixed establishment, the left and right sides fixed connection of protection shell has heat abstract mechanism, the clamping fixed establishment includes the fixed assembly for fixed, the outside fixed connection of fixed assembly is in the outside of protection shell, the outside fixed connection of fixed assembly has the connecting fixed post, the outside fixed connection of connecting fixed post has the connecting rotary lever, the outside fixed connection of connecting rotary lever has the connecting fixed block, the outside of connecting fixed block is far from the one end fixed connection of connecting rotary lever and has the connecting support block. In the utility model, realize the automation fixed through the mechanical linkage, effectively reduce the short circuit risk, and the firm clamping force ensures the close connection in the charging process, reduces the electric spark generation.

This utility model discloses a three-dimensional wound core low-loss intelligent distribution transformer, relating to the field of distribution transformer technology. It includes a transformer body and a docking base plate. A fixed base is provided on the lower surface of the docking base plate. Multiple heat dissipation components are equidistantly installed on the outer wall of the transformer body. The fixed base is provided with a docking mechanism for convenient docking and fixing of the fixed base and the docking base plate. This utility model, through the docking mechanism, enables precise docking between the fixed base and the docking base plate, significantly reducing the alignment difficulty during transformer body hoisting and installation, effectively improving the convenience of docking between the fixed base and the docking base plate. After the transformer body is rotated to the designated position, the docking base plate can be easily engaged, positioned, and locked, ensuring the structural stability of the transformer body after installation and effectively preventing loosening of connections due to vibration and other factors, thereby further improving the efficiency of transformer body installation.

The utility model discloses a fire detection tube type temperature-sensing self-starting fire extinguishing device which comprises a tube body, sleeves used for shrinking towards the axial lead direction are arranged on the outer walls of the two ends of the tube body in a sleeved mode, sealing valve bodies are arranged at the two ends of the tube body, and the sleeves are tightly pressed on the end faces of the tube body. A plurality of convex hulls at equal intervals are evenly distributed on the inner wall of the sleeve with a circle point as the axis and abut against the outer wall of the pipe body, a protective cover is arranged on the outer wall of the sealing valve body, and the sealing valve body is further provided with detachable installation pieces embedded into the two sides of the protective cover. A plurality of convex hulls are embedded in the inner wall of the pipe body, so that the friction force and the locking force between the sleeve and the pipe body are effectively enhanced, the connection looseness caused by factors such as oxidation and humidity is prevented, and the fire extinguishing agent is effectively prevented from leaking; through the design of the detachable mounting piece, screw fixing or magnetic attraction mounting is supported, and practicability and convenience are achieved; in addition, the protective cover also plays a role in increasing the creepage distance and preventing fire.

This invention discloses a hydrogen electrothermal coupling energy cabin, system, and control method. The energy cabin includes a cabin assembly comprising multiple functional cabins; side connecting slots located on the upper and lower sides of the functional cabins, with connecting holes on both sides of the inner wall of the side connecting slots and insertion holes on the back of the inner cavity of the side connecting slots; a hollow connecting cylinder disposed within the inner cavity of the side connecting slots, with insertion blocks installed on both sides, the insertion blocks corresponding to the insertion holes; a rotating rod rotatably connected to the inner cavity of the hollow connecting cylinder, with connecting rods mounted on the rotating rods, the outer ends of the connecting rods extending outward through the inner wall of the hollow connecting cylinder, the connecting rods corresponding to the connecting holes, and an anti-slip handle installed between adjacent rotating rods; by rotating the anti-slip handle, the connecting rods can be connected and disassembled with the connecting holes, thereby achieving the locking and disassembly of adjacent functional cabins. This invention, through modular cabin assemblies and detachable connection mechanisms, enables rapid assembly and disassembly of each functional cabin, improving maintenance convenience and flexibility.

This invention relates to the field of mechanical fastener technology and discloses a heterogeneous material connection and fastening structure, including a connecting bolt. One end of the connecting bolt penetrates a stamped sheet metal housing, and a fastening nut is connected to the end of the connecting bolt penetrating the stamped sheet metal housing. An installation hole is provided on the outer surface of the stamped sheet metal housing. A connecting rubber sleeve is engaged with the outer surface of one end of the connecting bolt, and the end of the connecting bolt with the connecting rubber sleeve penetrates a plastic bracket. A stamped sheet metal part is disposed between the plastic bracket and the stamped sheet metal housing. This heterogeneous material connection and fastening structure, by using a connecting rubber sleeve with a specific groove design and tightly fitting it between the smooth shaft of the connecting bolt and the plastic bracket, effectively absorbs vibration and impact energy from all directions. During assembly, the rubber sleeve, through its elastic deformation and restoring force, avoids stress concentration caused by hard contact, thus extending the service life of the plastic bracket and the connection structure.

This utility model discloses a high-strength wedge-shaped wire clamp, which relates to the field of high-voltage power grids. The key technical points of the solution are: it includes a wedge-shaped wire clamp body, a connecting seat at the end of the wedge-shaped wire clamp body, the connecting seats being symmetrically arranged, a through groove on the side of the connecting seat, the through groove being connected to a through slot located inside the connecting seat, a T-shaped fixing tube being inserted inside the through slot, a metal cable being pressed and inserted inside the T-shaped fixing tube, a hanging plate being snapped onto the end of the metal cable away from the two T-shaped fixing tubes, a sleeve being screwed to the top of the connecting seat, a limiting member being provided on the side of the sleeve for sliding along the axial direction of the sleeve, and a metal cable protective member being fixed inside the sleeve, which achieves the effect of preventing the metal cable connection from loosening and improving the protection of the protruding end of the metal cable.

This invention discloses a heated shoe and a method for processing the shoe, comprising: a shoe upper having a shoe collar with a first opening on one side; a conveying device fixedly connected to the shoe collar at the first opening, and having a plurality of probes located at the first opening; a heated lining comprising a lining fabric, a heating body, and a temperature sensor, the lining fabric being attached to the shoe upper and in contact with the foot, and the heating body being attached to the lining fabric; one end of the temperature sensor being electrically connected to the heating body, and the other end being electrically connected to the conveying device; and a power supply device detachably connected to the conveying device, comprising a power supply and a control module, the control module receiving signals from the temperature sensor to control the power supply to be turned on or off; the power supply device having a second opening corresponding to the first opening, and the probes abutting against the power supply device through the second opening. This invention provides a heated shoe and a method for processing the shoe, which has a simple structure, is aesthetically pleasing, easy and convenient to use, safe and reliable, achieves dynamic waterproofing, and enhances the user experience.

The invention relates to the technical field of counter-current chromatographs, in particular to a high-mass-transfer separation column of a single-rotation counter-current chromatograph, which comprises a separation column bottom plate arranged on a main shaft, the power amplification plate is hung on the separation column bottom plate and connected with the ultrasonic generator, and a spiral groove is formed in the power amplification plate; the spiral pipe is embedded in the spiral groove; the spiral pipe pressing plate is arranged above the spiral pipe; the separation column top plate is arranged above the spiral pipe pressing plate; and the switching assembly is arranged on the top plate of the separation column and is used for connecting an external feeding pipe with the inlet / outlet of the spiral pipe. A plane coil pipe structure formed by winding a single continuous pipeline is adopted to replace a traditional split type combined structure, and the risk of sealing leakage of a combined surface is eliminated; interphase mass transfer online dynamic regulation and control are realized through the ultrasonic generator, so that the separation efficiency is remarkably improved; the modular design simplifies the manufacturing process, and reduces the cost and maintenance difficulty.

This invention relates to the field of electrical connection device technology, and discloses a waterproof connector for power distribution control equipment. The connector includes a power distribution control box, with a connector assembly fixedly mounted on the outer side of the control box. The connector assembly includes a female connector detachably mounted on the outer wall of the control box, and a male connector axially inserted into the female connector. The outer peripheral sidewall of the male connector has an annular mating groove. The insertion end face of the female connector has several guide grooves along its circumference. Multiple movable plates are slidably connected to the internal cavity of the female connector. The inner side of each movable plate has a mating groove, and the outer side of the mating groove is connected to a sealing pressure plate for radial sealing via a connecting rod. Through the synergistic cooperation of these double seals, rainwater and moisture can be effectively prevented from seeping into the interior through the mating seam, significantly improving the waterproof performance of the connector under harsh conditions such as humidity and outdoor environments.

The application discloses a multi-circle combined pipe and a connecting and locking device thereof, relates to the technical field of pipe structure, and the connecting and locking device comprises a connecting shell and a connecting assembly. The connecting shell extends along the extension direction of a pipe jacking machine, and a limiting groove is formed between the connecting shell and the outer wall of the pipe jacking machine. The connecting assembly comprises a connecting rod, a plug-in rod, a connecting pivot, a locking piece and a telescopic driving structure. One end of the plug-in rod is in plug-in cooperation with the limiting groove, the other end of the plug-in rod extends out of the limiting groove and is hinged to the connecting rod through the connecting pivot. The end of the connecting rod away from the plug-in rod is hinged to the side wall of a pilot pipe through a hinge shaft. The telescopic driving structure is connected to the middle part of the connecting rod. The telescopic driving structure can drive the connecting rod to rotate around the hinge shaft. The locking piece can lock or unlock the connecting pivot, so that the plug-in rod can be fixed or rotated relative to the connecting rod. The multi-angle connection between the pilot pipe and the pipe jacking machine can be adapted, the adjustment efficiency of the connection posture of the pilot pipe and the pipe jacking machine is improved, and the connection precision and the connection reliability are improved.

This application relates to the field of vehicle chassis and provides a suspension structure and a vehicle. The suspension structure of this application includes an outer tube, an inner core disposed within the outer tube, and an elastic body disposed between the outer tube and the inner core. The elastic body has a first portion wrapped around the inner core and a second portion connected to the first portion. The second portion is disposed at the end of the inner core connected to the powertrain bracket, and when the inner core is connected to the powertrain bracket, the second portion can abut against the powertrain bracket. The suspension structure of this application can increase the friction between the elastic body and the powertrain bracket, and also increase the friction between the powertrain bracket and the inner core during the connection process, preventing the inner core from shifting. This effectively avoids torsional deformation of the elastic body, thereby improving the reliability of the elastic body and the overall suspension structure.

The application discloses a kind of barrier remover and car body, barrier remover includes: main barrier structure, for being connected with car body;Side barrier structure, along the two sides of main barrier structure radial are equipped with side barrier structure, side barrier structure is detachably connected with main barrier structure, to make the working space of car body on the car lifting point to be connected with car lifting machine, side barrier structure can be removed to let out car lifting machine;Fastening assembly is arranged along the axial direction of main barrier structure, for connecting main barrier structure and car body, when main barrier structure contacts with barrier, fastening assembly transmits the axial force that main barrier structure suffers to car body.The above-mentioned barrier remover, it can be installed simultaneously in the end of car body barrier structure and car lifting point when easy to disassemble and assemble effect, save time and effort, with good bearing performance and safety performance.

The utility model relates to the technical field of transformers, in particular to an oil leakage monitoring mechanism for a conducting rod, which comprises a connecting pipe and a liquid storage cylinder, the liquid storage cylinder is in threaded connection with the lower end of the connecting pipe, the connecting pipe is sleeved outside the conducting rod, and the lower end of the conducting rod penetrates through the liquid storage cylinder. A quick connecting assembly is arranged at the upper end of the connecting pipe, the quick connecting assembly is used for quickly installing the connecting pipe on a connecting part at the upper end of the conducting rod, scraping plates are arranged on the two sides of the interior of the liquid storage cylinder, one end of each scraping plate is attached to the inner wall of the liquid storage cylinder, and a driving assembly is arranged on one side of the upper end of the liquid storage cylinder; and the driving assembly is used for driving the two scraping plates to rotate around the axis of the liquid storage cylinder in the liquid storage cylinder. Compared with the prior art, the oil leakage monitoring mechanism solves the problems that in the prior art, an oil leakage monitoring mechanism is long in installation time, and the monitoring function can be recovered only by disassembling and cleaning the liquid storage cylinder after long-time use.

The utility model relates to the technical field of lifting appliances, and discloses a quick release type lifting appliance for building materials, which comprises locking mechanisms, a bottom plate and a top plate, the bottom plate and the top plate are respectively assembled at the opposite ends of the two locking mechanisms, each locking mechanism comprises a locking block, a rotating block is rotatably connected in the locking block, a deflector rod is connected outside the rotating block, and the deflector rod is connected with the bottom plate and the top plate. A spring is connected to the outer portion of the shifting rod, the spring is connected with an inner cavity of the locking mechanism, a spring bolt is assembled on the top of the locking block, a magnet set is assembled on the outer portion of the shifting rod, pin shafts are evenly inserted into the outer portion of the bottom plate, and anti-skid lines are assembled on the outer portions of the pin shafts. According to the quick-release lifting appliance for the building materials, the assembly speed is greatly increased, meanwhile, the situation that connection of the locking mechanism is loosened due to the fact that an object shakes during lifting is avoided, meanwhile, the shifting rod is locked through magnetic attraction by means of the additionally-arranged magnet set, and the situation that the shifting rod is operated by mistake to return during use is avoided.

The utility model discloses an assembly type H-shaped steel column connecting structure applied to foundation pit engineering, which comprises a connecting mechanism arranged between two H-shaped steel main bodies, each H-shaped steel main body consists of two flanges and a web plate, the connecting mechanism comprises two rectangular plates and two U-shaped plates, the two rectangular plates are respectively positioned on the outer sides of the two flanges on the same side, and the two U-shaped plates are respectively positioned on the outer sides of the two flanges on the same side. The two U-shaped plates are located on the outer sides of the two web plates correspondingly, a plurality of mounting grooves are formed in the rectangular plate, driving rods are mounted on the inner sides of the mounting grooves in the rectangular plate, and threaded rods are fixed to one ends of the driving rods. Balanced supporting and stable positioning can be provided for connection through the rectangular plate and the U-shaped plate, so that the stability and durability of the whole structure are enhanced, in addition, the driving rod and the threaded rod are arranged on the inner side, the loosening situation possibly occurring when the driving rod and the threaded rod make contact with an underground soil layer is effectively prevented, and the reliability and long-term stability of connection are guaranteed.

The utility model provides a kind of special-shaped part machining tool, including stand and adjustable pressing plate, the outer circumferential surface of stand is equipped with vertical clamping surface, the pressing plate is set in the position close to the clamping surface, and the clamping surface and the pressing plate form clamping space between it.The utility model passes through the accurate cooperation of tooling, effectively avoids the problem of loose connection when processing, greatly improves the stability of processing, strictly restricts the position of part, reduces the deviation of key dimension, meets the position degree and profile degree requirement of existing special-shaped part processing.

The application discloses a vertical connecting node of round bamboo and a construction method thereof and belongs to the technical field of connecting technologies of fabricated bamboo structures. The vertical connecting node of round bamboo comprises a bamboo cylinder, a first horizontal through hole, a through rod assembly, a vertical composite shear core, a hoop self-tightening band and a buckling half-steel ring. The vertical composite shear core is arranged in the bamboo cylinder and comprises a steel sleeve, a resin wrapping layer outside the steel sleeve and a filled resin filling layer. The vertical composite shear core is provided with a second horizontal through hole. The hoop self-tightening band is arranged outside the bamboo cylinder and comprises a shape memory alloy. The buckling half-steel ring is arranged outside the bamboo cylinder, and the through rod assembly penetrates through the buckling half-steel ring. After the hoop self-tightening band is activated, hoop pre-pressure is generated, cooperates with an FRP outer constraint layer and forms a hoop self-tightening constraint system to inhibit hole splitting and local buckling. The vertical composite shear core provides the required shear resistance and slip resistance of the node, reduces stress concentration, avoids the fracture of the end of the bamboo cylinder and realizes overall sealing, corrosion resistance and durability.

The utility model discloses a split type synchronous transmission mechanism which comprises a gear assembly, a driving shaft, a transmission wheel belt assembly and a driven shaft, the driving shaft is composed of a positioning shaft and a split shaft, the positioning shaft and the split shaft are coaxially arranged, one end of the positioning shaft and one end of the split shaft are detachably connected together, and the other end of the split shaft is detachably connected with the gear assembly. The other end of the positioning shaft can be connected into a motor through a gear assembly, the other end of the split shaft can indirectly drive the encoder to operate through a transmission wheel belt assembly, a driven shaft and a mechano-electronic cam box, and installation and maintenance are very convenient.

The utility model discloses a quick release type battery equalization module, which relates to the technical field of battery modules, and comprises a battery body and a placing plate, one side of the placing plate is provided with a port for a wire connected with the battery body, and the battery body is positioned in a placing groove of the placing plate. The top of the battery body and the top of the placing plate are fixedly provided with dismounting and mounting plates, the two dismounting and mounting plates are symmetrically arranged, the outer walls of the dismounting and mounting plates penetrate through and are rotatably connected with a rotating shaft, rapid dismounting and mounting of the battery body are achieved through an innovative rotating clamping structure (the rotating shaft and the clamping plates), linkage of the clamping plates is driven through the rotating shaft, and the battery body can be rapidly dismounted and mounted. According to the invention, dismounting operation can be completed without the help of tools, the maintenance efficiency is effectively improved, the unique Z-shaped dismounting elastic sheet design is matched with the notch structure, the locking pressure of the clamping plate is ensured, buffering is provided through elastic deformation, connection looseness caused by vibration is effectively prevented, and the contact stability is effectively improved.

The utility model belongs to capric acid glyceride production equipment technical field, concretely relates to a kind of enzyme synthesis capric acid glyceride reaction kettle, including reaction kettle, agitator, it is characterized by: reaction kettle top is equipped with the quick sampling mechanism installed by tank top flange one, tank top flange two, quick sampling mechanism includes the pipeline system of venturi, suction tube, connecting pipe, wherein the top end of suction tube is connected to venturi throat, the bottom end of suction tube is inserted into the inside of reaction kettle, venturi two ends are connected nitrogen valve and backwash valve respectively, backwash valve connects reaction kettle inside, connecting pipe connects sample release pipe, sample release valve is installed on sample release pipe, nitrogen valve is connected with nitrogen pipeline.The flow of nitrogen in venturi safely and conveniently takes out reaction liquid, effectively improves sampling convenience and safety;Reaction liquid can be circulated in quick sampling mechanism and reaction kettle to avoid sample cross-contamination.

The utility model discloses an aluminum base FFC line row connecting structure, including FFC line row, pressure welding terminal and connector shell, FFC line row includes insulating layer and many flat conductors, and flat conductor has the conductive connecting part of the exposed connection mouth formed in insulating layer, and pressure welding terminal sets up the multiple pressure welding thorn for the puncture FFC line row insulating layer on the pressure welding part, and multiple pressure welding thorn rivet pressure fixed on the conductive connecting part on FFC line row, and the FFC line row of this technical scheme adopts the pressure welding process and realizes the mechanical bite fixed between pressure welding terminal and flat conductor, and the complex link such as medium processing, temperature control of welding is saved, and the process cost and operation difficulty are reduced significantly, and the pressure welding thorn punctures insulating layer through mechanical force and directly forms physical bite with the pressure welding of conductive connecting part, and the connecting strength is much higher than the adhesive force of soldering tin, and it is not easy to come loose, and this multi-point bite structure can disperse vibration impact force, and is suitable for the high frequency vibration working condition of automobile battery.

The utility model discloses a high -tension connecting device of power transformer relates to power transformer installation tool technical field, including installation cylinder and wire pressing subassembly, installation cylinder and wire pressing subassembly swing joint, wire pressing subassembly includes wire pressing board, buckling plate, installation cover, installation rod and spring, and wire pressing board has two and rotates the connection, and the installation shaft of wire pressing board is fixedly connected with installation rod, and installation rod and installation cover swing joint, and the top of installation cover is through the installation cylinder and is fixedly connected with buckling plate, and the cooperation of wire pressing board, buckling plate, installation cover and installation rod and press the effect of double compression of sleeve is realized to this scheme, improves the stability to cable connection end copper wire, utilizes the cooperation of transition strip, connecting block and locking sleeve can be connected with cable shell stably, makes whole and cable shell connect together, avoids the cable copper wire connection end under the gravity and appears the situation of loose connection, and simultaneously buckling plate, press the waterproof dustproof effect of each junction of sleeve and protective sleeve is improved.