176results about How to "Easy to connect" patented technology

The invention discloses a conveying device which comprises a first conveying line body, a second conveying line body and a third conveying line body. The multiple layers of second conveying line bodies are arranged on the upper side and the lower side of the first conveying line body; the connection module comprises a lifting mechanism and a connection stator, the connection stator is connected with the first track stator through an optical fiber cable, and the lifting mechanism drives the connection stator to ascend and descend so that the connection stator can be in butt joint with the first track stator or the second conveying line body; and the power distribution module is connected with the first conveying line body, the second conveying line body and the connection stator through power lines. The connection stator on the connection module in the conveying device is connected with the stator on the middle layer in the conveying device through the optical fiber line, and the required connection line length and distance are short during movement, so that the stability of data signal transmission is improved, the connection line is simplified, the arrangement number of the optical fiber line is reduced, and the manufacturing cost is reduced.

The invention relates to the technical field of automobile part structures, in particular to a front suspension hub motor wheel edge integrated structure, an assembling method and an automobile. Comprising a rim, a hub motor, a front suspension and a brake, and the rim is of a hollow annular structure; the hub motor is located on the inner side of the rim and comprises an outer rotor shell fixed to the end, away from the vehicle body, of the rim and a stator shell arranged on the outer rotor shell. One end, close to a vehicle body, of the stator shell is positioned on the axial inner side of a rim; the front suspension comprises a steering knuckle fixedly connected with the end, close to a vehicle body, of the stator shell. The brake comprises brake calipers fixedly connected with the steering knuckle and a brake disc connected with the end, close to a vehicle body, of the outer rotor shell. According to the front suspension hub motor wheel edge integration structure, the hub motor is completely integrated in the rim, enough assembly space is reserved for the wheel edge, arrangement of a front suspension and a pipeline is facilitated, meanwhile, a plurality of connectors are reserved, and assembly of the front suspension and the pipeline is greatly facilitated.

The invention discloses a battery switch driving module which comprises a driving array and a switch array, the driving array comprises a plurality of driving units, the switch array comprises a plurality of switch units, and one driving unit is connected with a bidirectional converter through one switch unit. The other driving unit is connected with one battery of the battery pack through the other switch unit; the driving unit generates a switch driving signal according to the received switch control signal, and the switch unit is connected or disconnected according to the received switch driving signal, so that a current path between the battery pack and the bidirectional converter is connected or disconnected, and the charging and discharging conditions of each battery in the battery pack are adjusted. The charging and discharging control process of each battery in the battery pack can be more convenient and efficient, so that the charge state of each battery can be efficiently adjusted, and the service life of the battery pack is prolonged. Meanwhile, the structure and the connection mode are simple, the size is small, the structure is compact, and replacement and integration are convenient.

The invention discloses a farmland straw smashing post-processing device which comprises a rack and further comprises a connecting piece fixedly connected to one end of the rack; the two furrow ploughs are fixedly connected to the two sides of the rack respectively; the collecting unit is mounted at one end, far away from the connecting piece, of the rack; the covering unit is arranged on the side, away from the rack, of the collecting unit; and the transmission mechanism is mounted on the rack. The invention relates to the technical field of straw crushing post-treatment, and according to the farmland straw crushing post-treatment device, through cooperation of the furrow plough, the collecting unit and the covering unit, grooves deep enough are formed in a field, and crushed straws on the surface of soil are pushed into the grooves to be buried, so that on one hand, the crushed straws can be prevented from being blown away by wind; on the other hand, the buried smashed straw is more beneficial to deterioration, the straw returning effect is guaranteed, the straw becomes natural fertilizer of soil, and cultivation is facilitated.

The invention discloses an assembly type precast beam, and relates to the technical field of constructional engineering, the assembly type precast beam comprises a cross beam, and the cross beam comprises a plurality of beam bodies; a connecting column; the fixing columns are located between the opposite cross beams, and inserting grooves allowing the connecting columns to be inserted therein are formed in the fixing columns; a template block; the fixing columns are provided with limiting assemblies, and when the opposite formwork blocks abut against each other, the limiting assemblies limit the connecting columns to be disengaged from the inserting grooves. The connecting column is provided with an input pipe and an output pipe; an input groove is formed in the fixing column, and a grouting opening is formed in the fixing column. An output groove is formed in the fixed column, and a slurry outlet is formed in the fixed column; an upper communicating hole is formed in the beam body, and a lower communicating hole is formed in the beam body; a return pipe is arranged in the beam body far away from the fixed column; when the adjacent beam bodies abut against each other, the baffles are clamped into the partition grooves. An upper slurry covering groove is formed in the beam body, and a lower slurry covering groove is formed in the beam body. The assembly construction time of the precast beam can be shortened.

The utility model discloses a detachable chrysanthemum vase spray equipment, including upper casing, chrysanthemum shape inner cover, the inside of upper casing is provided with the inner round board, and the top surface circumference distribution of inner round board has two limit slots, the bottom of chrysanthemum shape inner cover is provided with two connecting round rods, the bottom of connecting round rod is provided with the limit round block, and the limit round block can pass through the big hole of limit slot, and after rotating chrysanthemum shape inner cover, connecting round rod can be clamped in the inside of limit slot, and the top surface of inner round board is provided with the mounting ring, and the mounting ring is used for placing atomization structure, and through the mounting ring in the middle of chrysanthemum shape inner cover, atomization structure is fixed, and the middle part of inner round board bottom is provided with the connecting ring, and the outside of connecting ring is connected with cotton swab mounting shell with the excess, and cotton swab mounting shell is provided with filter cotton stick, and the cotton swab mounting shell is provided with the spring for urging filter cotton stick upward, makes filter cotton stick contact with atomization structure after passing through inner round board, and the outside of cotton swab mounting shell is provided with the water inlet groove.

This application discloses an air conditioner. The screen assembly includes a display module and an auxiliary lighting assembly. The display module includes a display driving circuit and a main control chip. The auxiliary lighting assembly includes a lighting driving circuit. The main control chip is connected to the display adapter board of the air conditioner on one hand to receive the display signals sent by the display adapter board. On the other hand, it is connected to the display driving circuit and the lighting driving circuit. It controls the display content of the display module and the auxiliary lighting assembly according to the display signals. In the above scheme, the auxiliary lighting assembly does not directly receive the display signals from the display adapter board. When working, the display adapter board only needs to connect to the display module. The main control chip of the display module determines the display of both the display module and the auxiliary lighting assembly, which simplifies the connection method between various electronic control boards and is also conducive to the linkage between the display module and the auxiliary lighting assembly controlled by the main control chip of the display module.

The utility model relates to a quick joint, which comprises a male joint and a female joint, the female joint comprises a male cylinder, the left end of the male cylinder is provided with a first dustproof cap, the side part of the first dustproof cap is provided with a nut-shaped enclosure, the rear part of the nut-shaped enclosure is provided with a step, the rear end of the step is provided with a first abutting spring, and the first abutting spring is provided with a second abutting spring. The number of turns of the first abutting spring ranges from 3.5 to 5, the end faces of the two ends of the first abutting spring are ground into planes, the rigidity of the first abutting spring ranges from 18 N to 22 N, a butt joint female head is further arranged at the rear end of the first abutting spring, a first O-shaped ring is arranged in the butt joint female head, the butt joint female head is in threaded connection with the male connector, and a second O-shaped ring is arranged in the butt joint female head. The left end of the male connector is provided with a butt joint male head, a second O-shaped ring is arranged in the butt joint male head, and the first O-shaped ring is smaller than the second O-shaped ring. The utility model has the advantages of excellent sealing and quick butt joint.

The utility model discloses a shell, a battery module, a battery pack and electric equipment, the shell comprises a coaming structure and a cooling structure, a connecting piece is arranged on the coaming structure, the cooling structure comprises a heat exchange part and a connecting part, the heat exchange part is arranged at the bottom of the coaming structure so as to define a mounting space together with the coaming structure, and the connecting part is arranged in the mounting space. The mounting space is used for mounting battery cells; the connecting part and the heat exchange part are arranged at an angle, and the heat exchange part is connected with the connecting piece through the connecting part. According to the technical scheme provided by the embodiment of the invention, the assembly efficiency of the battery module can be improved.

The utility model relates to the technical field of energy storage, in particular to a simple lock, a bottom support, a battery box and a battery changing system. The simple lock comprises a lock hole assembly and a lock body assembly. The lock body assembly comprises a supporting unit, a driving unit and two spring bolt units. The driving unit comprises a driving rod, a first left connecting rod, a second left connecting rod and a spring bolt unit which are hinged in sequence; and the driving rod, the first right connecting rod, the second right connecting rod and the other spring bolt unit are hinged in sequence. The driving rod drives the spring bolt unit to rotate through the connecting rod structure. When the simple lock is in a locking state, the spring bolt unit penetrates through the lock hole assembly, and the spring bolt unit abuts against the lock hole assembly to limit the lock hole assembly to move away from the spring bolt unit. The bottom support comprises a lock body assembly or a lock hole assembly. The battery box comprises a lock body assembly or a lock hole assembly. The battery replacing system comprises a bottom support and a battery box. Therefore, the problems of complex structure and high energy consumption of the traditional battery replacement locking device are solved.

The utility model relates to a recycling device for waste electrolyte of a lithium ion battery, and belongs to the technical field of lithium battery processing. A cover plate is detachably mounted at the top end of the filter, a long rod is inserted into the inner wall of the filter, an insertion block is inserted into the inner wall of the long rod, a guide rod is fixedly connected to the inner wall of the insertion block, a limiting mechanism is arranged on the inner wall of the insertion block, a clamping groove is formed in the inner wall of the long rod, and a filter screen is fixedly connected to the outer wall of the insertion block. An adjusting assembly is arranged on the outer wall of the filter, and the limiting mechanism comprises an inclined plate. According to the utility model, a plurality of filter screens are adopted to carry out graded filtration on the lithium battery electrolyte, so that the filtration precision can be effectively improved, impurities can be accurately removed, and when the filter screens need to be replaced or cleaned, the long rod, the separation inclined plate and the clamping groove can be easily moved out, so that the rapid replacement of the single filter screen is realized, and the maintenance time and cost are greatly reduced; the continuous and efficient operation of the filtering process is ensured.

A kind of oilfield polymer injection concentric three-channel oil pipe, it includes: coaxially nested three-layer pipe body: outer tube is set in the middle layer pipe of outer tube, and center tube is set in the middle layer pipe;Three independent channels: the first channel is formed by the inner cavity of the center tube, the annular space between the center tube and middle layer pipe forms the second channel, the annular space between the middle layer pipe and outer tube forms the third channel;Channel bridge assembly: be provided with at pipe body both ends, including upper annular channel bridge and lower annular channel bridge;The channel bridge assembly is provided with axial through hole and radial opening respectively connecting first channel, second channel, third channel;Dismountable sealing connection structure: the utility model novel structure, through the unique three-channel design, three different oil layers can be simultaneously carried out three-layer quality boosting injection polymer, improve the pertinence and effectiveness of polymer injection liquid, and then improve oil recovery.

The application provides a supporting device for a coal mine tunnel, which comprises a roof, a first plug-in part arranged at the bottom end of the roof, vertical plates arranged at two ends of the roof respectively, second plug-in parts arranged at the top ends of the vertical plates, the second plug-in parts being in plug-in cooperation with the first plug-in part, and fixing rods penetrating through the second plug-in parts and the first plug-in part to connect the roof and the vertical plates. The roof and the vertical plates are connected in a plug-in mode, the fixing rods penetrating through the roof and the vertical plates can realize quick positioning of the installation of the roof and the vertical plates, ensure a stable connection relationship, effectively reduce the number of bolts, simplify the connection mode, and improve the supporting efficiency.

The utility model discloses a multi-seat assembled bean table which comprises a table board, the table board is arranged in a right-angle fan shape, a storage box is clamped in the rear side of the upper end of the table board, two side telescopic sleeves are fixedly connected to the front side of the lower end of the table board, a center telescopic sleeve is fixedly connected to the center of the lower end of the table board, and the center telescopic sleeve is fixedly connected to the rear side of the table board. The side telescopic sleeves and the center telescopic sleeve are connected through side sliding blocks and side connecting rods, and the side telescopic function is achieved. By means of the design, the table can be easily expanded or contracted according to needs so as to adapt to different use scenes. Through the magnetic force of the side magnets, a plurality of tables can be mutually connected, and a user can conveniently combine the tables according to requirements. The modular connection system not only improves the use flexibility of the table, but also reduces the storage and transportation cost, and the design of the whole table considers the operation convenience and maintenance requirements of a user. The connection mode of all the components is simple and easy to understand, and a user can assemble and disassemble the components conveniently.

High-performance P(VDF-TrFE) based composite film and preparation method thereof, and nanogenerator containing the composite film, the present application relates to piezoelectric composite material technical field, specifically relates to a kind of P(VDF-TrFE) / ZnO / CMWCNTs composite film and preparation method thereof, and piezoelectricity / friction electricity nanogenerator containing the composite film;The composite film is P(VDF-TrFE) / ZnO / CMWCNTs composite film, with P(VDF-TrFE) copolymer mass as benchmark, the addition amount of each component is as follows: P(VDF-TrFE) copolymer: TrFE molar content is 30%;ZnO nanoparticles: mass fraction is 0.36~1.80%;CMWCNTs: mass fraction is 0.01~0.03%;Overcome the technical defects, such as filler ratio out of control in existing P(VDF-TrFE) composite system, process parameter is not clear, piezoelectric property is low, and the output performance of nanogenerator based on it is poor, and stability is insufficient.

This utility model discloses a steel truss docking and positioning device, comprising two fixing components. Each fixing component includes an arc-shaped plate and an L-shaped plate. The arc-shaped plate is fixedly connected to the L-shaped plate on its open side, and the arc-shaped plate and the L-shaped plate are integral structures. End plates are fixed to adjacent sides of the L-shaped plates of both fixing components. A first connecting rod and a second connecting rod are respectively fixed to the surfaces of the two end plates. A sleeve is slidably fitted onto the surface of the first connecting rod. This utility model provides two fixing components, a first connecting rod, a second connecting rod, a sleeve, and a connecting sleeve. Each fixing component contains an extrusion member. The two fixing components are connected via the first connecting rod, the second connecting rod, and the sleeve. By fixing the two fixing components to the surfaces of the two docking steel trusses using the extrusion members, the docking positions of the two steel trusses are completely exposed, facilitating subsequent welding operations. Furthermore, the connection method between the fixing components and the steel trusses is faster and more convenient.

This invention relates to the field of component assembly technology, specifically to a method for assembling a coolant pump and a gearbox. The assembly method uses an auxiliary tool, which includes a shaft with a boss at one end. A first limiting structure and a second limiting structure are provided on the outer circumference of the boss and the shaft, respectively. The assembly method is performed according to the following steps: S1, inserting the boss of the auxiliary tool into the coolant pump, thus securing the coolant pump to the tool; S2, holding the tool horizontally, inserting one end of the coolant pump bolt into the gearbox mounting hole, adjusting the tool to align the bolt with the screw hole in the gearbox; S3, after the bolt and screw hole are aligned, the second limiting structure confines the tool within the mounting hole, and a tightening gun is used to tighten the bolt from the coolant pump nut side, completing the assembly of the coolant pump and gearbox. This invention uses an auxiliary tool to tighten the coolant pump, facilitating the tightening of the coolant pump bolts with a tightening gun, preventing the coolant pump from shaking or rotating.

The utility model discloses a saccharification pile oxygen introducing device in the technical field of white spirit brewing, which comprises a vertical pipe and a coil pipe, the vertical pipe is vertically arranged, the top end and the bottom end of the vertical pipe are sealed, a plurality of exhaust holes penetrating through the inner wall and the outer wall are formed in the peripheral side of the vertical pipe, and a connecting hole penetrating through the inner wall and the outer wall is formed in the bottom end of the vertical pipe. A plurality of vent holes penetrating through the inner wall and the outer wall are formed in the circumferential side of the coil pipe, an air inlet in one end of the air conveying pipe is connected with the air supply device, and the other end of the air conveying pipe is connected with the pipe opening in the outermost ring of the coil pipe. The saccharification pile oxygen introducing device solves the technical problems that fermentation is insufficient and sauce fragrance is not prominent enough due to the fact that the oxygen content of the fermentation pile core and the pile bottom of an existing saccharification pile is low, and is simple in structure and capable of improving the oxygen content of the pile core and the pile bottom of the saccharification pile.

The invention discloses a circuit for storing parameters by using an excitation loop of an electromagnetic flowmeter and an implementation method. The circuit comprises an MCU (Microprogrammed Control Unit) chip, a rectifying and voltage stabilizing circuit, a state judging circuit and a data return circuit, wherein the rectifying and voltage stabilizing circuit consists of a rectifying full bridge, a rectifying diode, a filtering capacitor and a low-power-consumption voltage stabilizer which are connected with an excitation loop of the electromagnetic flowmeter; the state judging circuit consists of a voltage comparator and a divider resistor; and the data return circuit consists of a constant-current device and a controlled switching device. By controlling the voltage state and the current state in the excitation loop, writing, storage and reading of parameter data are realized. Under the condition that the number of connecting lines between the converter and the sensor is not increased, parameters can be stored along with the sensor, and parameter backward reading is completed through the excitation loop when the converter is replaced, so that the maintenance efficiency is improved, and the safety of parameter data is enhanced.

The utility model discloses an electric power output box suitable for a power supply vehicle, which comprises a box body, an inner support arranged in the box body, an insulator fixedly arranged on the inner support, an output copper plate arranged on the insulator, a connector hole arranged on the output copper plate, and an output connector fixedly arranged on the connector hole. The upper end and the lower end of the output copper plate are respectively provided with a power input wire inlet hole and a power output wiring hole, a panel is further fixedly installed in the box body, the other end of the output connector is fixedly installed on the panel, and the power input wire inlet hole is connected with a power supply device of a power van through a power line. According to the utility model, the output connector is directly integrated on the output copper plate, the output connector and the output copper plate are not connected together through an electric wire, connection points do not need to be arranged on the output copper plate, the integration level is higher, and the connection mode is more convenient and rapid. The output copper plate can be processed and formed at a time according to needs, and the processing mode is simpler than before.

The utility model relates to the technical field of axle load instrument calibration, in particular to an automobile axle load instrument calibration device which comprises a bottom plate, a lifting driving mechanism, a pressure sensor, a stress block and a connecting structure, the lifting driving mechanism is arranged on the bottom plate, one end of the pressure sensor is connected with the power output end of the lifting driving mechanism, and the other end of the pressure sensor is connected with the stress block. The other end is connected with the stress block; and the connecting structure is connected with the stress block. The axle load meter calibration device overcomes the defects that in the prior art, in the process of calibrating an axle load meter, a standard calibration block needs to be carried manually, and manpower is consumed, the axle load meter calibration device is provided with the lifting driving mechanism, the pressure sensor and the stress block, and the pressure sensor and the stress block are driven by the lifting driving mechanism to extrude each other; the extrusion force of the stress block to the pressure sensor can be transmitted to the axle load instrument through the lifting driving mechanism and the bottom plate so as to apply pressure to the axle load instrument, the standard calibration block does not need to be manually carried to apply pressure to the axle load instrument, and manpower can be saved.

The invention provides an immunochromatography detection result reading method and device based on solid quantum enhancement, and relates to the technical field of immunochromatography detection. The immunochromatography detection result reading method comprises the following steps: emitting exciting light to a standard substance to excite the standard substance to generate a fluorescence signal for detection; microwaves are output to a standard substance, so that the standard substance generates spin resonance, and the intensity change of a fluorescence signal is caused; collecting the fluorescence signal after intensity change to obtain an optical detection magnetic resonance ODMR reference spectral line; determining a corresponding microwave calibration frequency according to the optical detection magnetic resonance ODMR reference spectral line; exciting light and microwaves which are calibrated according to the microwave calibration frequency and are subjected to amplitude or frequency modulation are emitted to a tested sample; and respectively detecting the fluorescence intensity variation of the quality control line and the detection line to obtain an immunochromatography detection result of the detected sample. The microwave frequency is calibrated by using the standard substance, the interference of background fluorescence is effectively shielded, and the detection sensitivity and accuracy are improved.

The invention relates to the technical field of driving motors, and discloses a driving motor device for an electric vehicle, the driving motor device comprises a casing, a motor body and a wiring port, the motor body is installed in the casing, the wiring port is installed outside the casing, the casing comprises a shell, a front end cover and a rear end cover, the shell sleeves the motor body, and through the design of a reinforcing layer and a pressure reduction assembly, the motor body is fixed to the front end cover and the rear end cover. When the driving motor device is subjected to external pressure, the pressure between the casing and the motor body is dispersed, so that the overall anti-pressure capability is remarkably improved, the casing can be effectively prevented from being deformed in long-time use, the service life of parts is prolonged, and the service life of the parts is prolonged. And meanwhile, impact and vibration from the road surface can be effectively absorbed and relieved through telescopic and compression actions of a pressure reducing rod and a pressure reducing spring in the pressure reducing assembly, the buffering performance is further enhanced through the design of a supporting rod and a supporting spring, and therefore more stable driving experience is provided, and the influence of noise and vibration on passengers is reduced.

The utility model relates to a kind of foldable hair dryer, including hair dryer barrel and handle, and the connecting place of hair dryer barrel and handle is provided with rotating structure, rotating structure includes the clamping structure and rotating limit structure sequentially arranged from top to bottom;Handle is set to be symmetrical two petals combination, and the one end of handle connecting hair dryer barrel is set to be inclined first inclined plane, and the first inclined plane of combination is provided with the semicircular through-hole of facing each other;Hair dryer barrel connects handle one end and is set to be the second inclined plane corresponding to first inclined plane, and rotating structure is set in second inclined plane;Two semicircular through-holes are respectively clamped in the two sides of clamping structure, and the limiting piece of cooperation rotating limit structure is set in handle, and rotating limit structure extends to handle and cooperates with limiting piece. By a rotating structure, and the connecting mode of handle, hair dryer barrel and rotating structure is very simple, and it will not be too complex when assembling, it is convenient to maintain, few parts, cost is lower, and it will not appear the situation of jam.

This invention discloses a steel-wood composite load-bearing structure with adaptive connection nodes, belonging to the field of building engineering. It includes two vertically arranged load-bearing components spaced apart, connected by a connecting mechanism. The two load-bearing components are connected together via this mechanism, and the distance between them is adjustable. Each load-bearing component has two vertically spaced grooves on opposite sides. Each groove has a slot on both sides, and a slider is installed within the groove. A protrusion is fixedly installed on both sides of the slider, and the protrusion slides within the slot. The connecting mechanism includes two cross-connecting rods. By creating grooves on opposite sides of the load-bearing components, the slider slides within the grooves, and the linkage of the cross-connecting rods allows for flexible adjustment of the distance between the two load-bearing components. This allows the steel-wood composite load-bearing structure to adapt well to different scenario requirements, greatly improving the structure's versatility and adaptability.

The utility model relates to a coating mechanism technical field, concretely relates to a kind of self-compensating micro gravure roll mechanism for OCA coating, including base, the base top symmetrical fixedly connected with connecting plate, the connecting plate inside is separately provided with main roll and auxiliary roll, the main roll side is provided with self-compensating mechanism, wherein:the self-compensating mechanism includes first threaded rod, the first threaded rod outside is connected with slider in screw thread, the slider inside is provided with fixed block, the fixed block inside is rotatably connected with rotating rod, self-compensating mechanism can automatically adjust the contact state between doctor blade and main roll, ensure that always can scrape off redundant glue solution, make the even and moderate glue solution in main roll hole for coating, to guarantee the stability and uniformity of coating amount, reduce the frequency of component replacement due to wear, reduce the maintenance cost and downtime of equipment, improve production efficiency and automation degree simultaneously.

The utility model provides a novel spliced anti-theft door frame, which is characterized in that through pin holes are arranged at the upper ends of side plates, bolts corresponding to the pin holes are arranged at two ends of a top plate, the top plate is connected with the pin holes of the two side plates through the bolts for splicing, the bolts are bent towards one side, and the bent bolts are welded and fixed with the side plates. According to the anti-theft door frame, the mode that an original door frame plate is welded and connected through a 45-degree inclined face is changed, the side plates and the top plate of the door frame are connected through the pin holes and the plug pins in a mortise and tenon joint mode, the plug pins are bent, and then firm connection can be achieved through spot welding; according to the technical scheme, grinding is not needed or only needs one-time grinding, then rust-proof treatment is conducted, fixing operation is convenient, and accurate splicing between the side plates and the top plate can be achieved without auxiliary tools. The door frame is simple in connection mode, convenient to machine, high in production efficiency, high in structural strength, high in product yield, capable of saving production and machining cost and beneficial to application and popularization.

A balloon catheter for easy insertion into a body cavity, with good pushability and the ability to easily cut stenosis is provided. The balloon catheter balloon (1) has a balloon body (20) with a protrusion (60) that protrudes radially outward from the outer surface at the straight tube portion (23) and the proximal conical portion (22) and extends in the long axis direction x. The ratio of the height H1 of the protrusion (60) at the straight tube portion (23) to the width W1 of the protrusion (60) is W1 / H1, which is greater than the ratio of the height H2 of the protrusion (60) at the proximal conical portion (22) to the width W2 of the protrusion (60) is W2 / H2.

The utility model provides a concealed power track and a track socket, and relates to the technical field of sockets. The concealed power rail is used for supplying power to the adapter. The one-piece base in the concealed power rail is provided with a mounting cavity, and the mounting cavity comprises a cavity opening facing the adapter. The guide rail assembly is installed in the installation cavity from the cavity opening. The pressing plate is installed at the cavity opening and provided with an opening communicated with the installation cavity. The dustproof part is installed on the pressing plate and used for shielding the opening, and the end of the adapter can penetrate through the dustproof part so that the end of the adapter can penetrate through the opening and be electrically connected with the guide rail assembly. The pressing plate, the dustproof piece and the guide rail assembly can be installed in the insertion direction of the adapter instead of being installed in the extension direction of the connected base of the long-strip-shaped sectional material in the prior art. Therefore, the installation difficulty of the guide rail assembly, the pressing plate and the dustproof piece can be simplified, and the assembly efficiency of the concealed power rail can be improved. The dustproof piece plays a role in shielding and dust prevention, is low in assembly difficulty, and does not affect the assembly efficiency of the power track.