153results about How to "Simplified installation steps" patented technology

The utility model relates to the technical field of house building, and provides a modular integrated box house roof convenient to disassemble and assemble, which comprises a main frame, a plurality of reinforcing cross rods which are distributed at equal intervals along the width direction of the main frame are fixedly connected to the inner side of the main frame, a placing groove is formed in the top surface of the main frame, and a top plate assembly is placed on the inner side of the placing groove. The top of the main frame is fixedly connected with a first pressing piece used for pressing the top plate assembly, the two ends of the bottom face of the main frame are fixedly connected with guide rails, a bottom plate assembly is arranged between the two guide rails, one end of each guide rail is provided with an assembling groove, and the inner side of each assembling groove is provided with a second pressing piece used for pressing the bottom plate assembly. Traditional bolt connection is replaced by sliding fit of the clamping strips and the clamping grooves, installation steps are simplified, dependence on hole site precision is reduced, the problem of looseness caused by abrasion of bolt holes after repeated disassembly and assembly is effectively solved, and construction efficiency is remarkably improved.

The utility model discloses a fan with an anti-falling steel wire rope, and relates to the technical field of fans. The fan comprises a fan motor, a hanging rod and an anti-falling steel wire rope, a mounting hole is formed in the bottom of the fan motor, a connecting rod is fixed to the top of the fan motor, and the end of the connecting rod is fixedly connected with the hanging rod. The hanging rod is provided with a first containing channel, the connecting rod is provided with a second containing channel, and the anti-falling steel wire rope is arranged in the first containing channel and the second containing channel. A steel sleeve is fixed to the end of the anti-falling steel wire rope and connected with a safety rope flange in a clamped mode, and the safety rope flange is matched with the mounting hole in a clamped mode. The anti-falling steel wire rope is arranged in the fan, a safety protection structure is formed, the problem that a fan motor falls to hurt people is avoided, the use safety is improved, and potential safety hazards are effectively reduced.

The utility model discloses an electromagnet which comprises a support body and a cover plate fixedly arranged on one side of the support body. An execution assembly is arranged in the support body, the bottom and the top of the support body are both provided with anti-seismic colloid, the bottom is further provided with a PIN terminal, the PIN terminal is electrically connected with the execution assembly, and the connecting position of the PIN terminal and the execution assembly is wrapped by an insulation connecting bridge. The execution assembly comprises a winding supporting piece, a limiting shaft sleeve, an iron core, a permanent magnet and a coil. The two ends of the limiting shaft sleeve are provided with limiting holes, and sliding limiting of the iron core is achieved through a guide block and a positioning base. The anti-seismic performance, the integration level and the installation convenience of the electromagnet can be improved, meanwhile, the leakproofness and the insulativity of the welding part are ensured, and the electromagnet is suitable for an automobile ABS system.

The utility model relates to the technical field of pesticide production discloses a kind of pesticide effervescent tabletting device, including turntable, the multiple through holes are equipped on the turntable, the movable plug-in middle mould is in the through hole, the bolt one of fixed middle mould is threadedly connected on the turntable, recess is equipped on the turntable, the utility model compared with prior art advantage lies in, by setting recess, arc block and positioning mechanism, when needing to take out middle mould, release positioning mechanism, then two arc blocks are taken out, then the fixation of middle mould is released by bolt one, middle mould is taken out by lifting groove two, more convenient, when needing to place middle mould, due to the existence of recess, the distance between upper pressure punch and the surface of turntable increases, so that it is not necessary to use knock middle mould from upper pressure platform using top rod, middle mould can be directly knocked from turntable, to simplify installation step, after installation is completed, arc block is placed into recess, arc block is positioned by positioning mechanism, process is simple, time-saving and labor-saving.

According to the motor conveying assembly, two parallel supporting seats are arranged in a rack of a roller conveying line, a plurality of rotating rollers are arranged between the corresponding supporting seats and the corresponding inner side wall of the rack, the axes of the rollers are perpendicular to the length direction of the rack, and a long-strip-shaped gap in the length direction of the rack is formed between the two supporting seats. A gap is formed between the formed double rows of rollers for placing the rotating shaft rotating through the base; in this way, the motor can be vertically placed on the base, and a rotating shaft of the motor cannot interfere with the roller conveying line; the motor can be directly hoisted to the base for installation of some accessories such as a hanging ring and a nameplate and then transportation is carried out, and the step of installation on an operation table is omitted.

The utility model discloses a rocking chair with high -strength arc pipe, including rocking chair body, the symmetry of rocking chair body bottom welds two groups arc base, is equipped with counterweight in every arc base, and the arc base on the arc piece of bottom mounting with own camber matching also includes the locking assembly for synchronous fixed counterweight and arc piece on arc base, rocking chair body and arc base welding connection of the utility model, has guaranteed the stability of both connection, has promoted rocking chair overall structural strength, and arc base adopts high -strength arc pipe, compared with ordinary metal pipe, can bear greater pressure and swing stress, reduces the possibility of deformation and fracture, prolongs the life, and the setting of counterweight has strengthened the stability of rocking chair, makes the user use more safely, and locking assembly realizes the synchronous fixing of counterweight and arc piece, has simplified the installation step, has improved the dismounting efficiency.

The utility model relates to the technical field of drilling wall protection, and discloses a soft stratum drilling wall protection stabilizing sleeve which comprises a first sleeve body, a connecting assembly is movably connected to the inner wall of the upper end of the first sleeve body in a clamped mode, and the upper end of the connecting assembly extends to the position above the first sleeve body. A second sleeve body is movably clamped to the outer wall of the upper end of the connecting assembly, and the lower end of the connecting assembly is connected with the upper end of the first sleeve body through a first fastening bolt. Through cooperation of the first sleeve body, the connecting assembly, the second sleeve body, the first fastening bolt and the second fastening bolt, the connecting mode that the first sleeve body and the connecting assembly are connected through the first fastening bolt is adopted, and then the connecting mode that the second sleeve body and the connecting assembly are connected through the second fastening bolt is adopted; the first sleeve body, the connecting assembly and the second sleeve body can be detached, and therefore the assembling length of the sleeve can be adjusted according to the actual hole channel depth.

This application relates to the field of new energy battery pack technology, and in particular to a liquid-cooled battery module, including a liquid-cooled tray and a battery pack with the liquid-cooled tray. The liquid-cooled tray includes a liquid-cooled plate, which has a liquid-cooled cavity. The liquid-cooled cavity is provided with several liquid-cooled baffles, which divide the liquid-cooled cavity into several interconnected flow equalization and distribution sections. The liquid-cooled plate is provided with a sealing plate assembly, a liquid inlet assembly, and a liquid outlet assembly. The liquid inlet assembly includes a metal liquid inlet pipe and a liquid inlet connector connected to the liquid-cooled cavity. The liquid outlet assembly includes a metal liquid outlet pipe and a liquid outlet connector connected to the liquid-cooled cavity. The liquid inlet assembly and the liquid outlet assembly are located on the same side along the length of the liquid-cooled plate. The liquid-cooled baffles effectively extend the flow path of the coolant, thereby increasing the heat exchange time between the coolant and the battery cell. At the same time, it avoids the use of plastic pipes, effectively simplifies the installation steps, reduces leakage, and improves the stability of the battery module.

The utility model discloses a kind of building fabricated wallboard module, including concave mounting plate, the one end of the concave mounting plate is provided with plugboard, and the other end is provided with slot;Wallboard, the wallboard is set on the concave mounting plate;Limiting clamping device, the limiting clamping device includes the limiting slot being opened in the front surface of concave mounting plate, the extension plate being inserted into the inside of limiting slot and being set on the bottom of wallboard, the clamping slot being opened in the top of wallboard, the accommodating slot being opened in the inner top of wallboard;The beneficial effects of the utility model are: through the limiting clamping device designed, vertical and horizontal limit can be formed to the bottom of wallboard, prevent the left and right shaking or front and back deviation of wallboard bottom during installation or use, provide stable bottom support for wallboard, ensure the positioning accuracy of installation initial stage, realize the quick fixing of wallboard top, reduce the use of rigid connecting piece such as bolt, simplify installation step.

The application belongs to the technical field of fabricated building process, and particularly relates to a curtain wall large keel fabricated installation construction process based on BIM technology and 3D scanning technology, and the specific steps are as follows: 3D scanning technology is used to perform three-dimensional scanning on the construction site, and collect and input various data information of the construction site; BIM technology is combined to model the project, and material shape data, size information and part matching data are extracted; after the data is extracted, the keel components of different shapes and sizes are grouped and numbered one by one, and then the curtain wall large keel is produced in the factory; after the keel component is processed, it is directly transported to the processing site and installed according to the number, and the keel and the base are screwed during installation, so that the installation is completed, the application can simplify the installation steps, does not need to repeatedly adjust and cut the keel, improves the installation speed, and further shortens the construction period, while ensuring the engineering quality, and reduces the management cost.

This utility model discloses a sunshade awning, belonging to the technical field of sunshade awnings. It includes a bottom frame, a roof frame, and sheet metal components installed on the roof frame. The bottom frame comprises at least four support pillars, each pillar including aluminum columns and first and second column I-shaped connectors mounted on the aluminum columns. The bottom frame also includes a first and second crossbeam components fixed to the aluminum columns via the first column I-shaped connectors, and diagonal bracing components connecting the aluminum columns to the first and second crossbeam components. This utility model provides a sunshade awning with a stable and reliable structure, and convenient and efficient installation.

The utility model discloses an embodiment of a kind of bicycle rear derailleur and the bicycle applied to it, bicycle rear derailleur includes derailleur main body, fixed component, pivot assembly and adjusting assembly, the fixed component is set on the derailleur main body, one end of the pivot assembly is connected with the fixed component, the other end of the pivot assembly is rotatably connected with one end of the adjusting assembly.The other end of the pivot assembly of the utility model is rotatably connected with one end of adjusting assembly, in this way, rear derailleur can be quickly adjusted when installing, and simple structure greatly simplifies the installation steps of rear derailleur.

The utility model provides a signal conversion module. The signal conversion module comprises a housing; the conversion circuit is arranged in the shell; the USB communication port is electrically connected with the conversion circuit; the RS485 communication port is electrically connected with the conversion circuit, so that the conversion circuit supplies power to the RS485 communication port; the signal conversion chip is arranged in the shell and is used for converting a signal received by the USB communication port, outputting the converted signal to the RS485 communication port and transmitting an RS485 signal to RS485 equipment, so that the RS485 equipment parameters are changed by changing software parameters on a computer, the size of the signal conversion module is small, the occupied installation space is small, and the cost is low. An engineer can carry along when debugging equipment on a business trip, and debugging is convenient; the 485 communication device and the computer can be connected only through the connection signal conversion module, the RS485 device does not need to be connected with a power line again, and the installation steps are simple.

The utility model discloses a water storage pool for epimedium in mountainous area convenient to installation belongs to water storage pool technical field, a water storage pool for epimedium in mountainous area convenient to installation, including outer wall, waterproof inner bag and a plurality of support, the outer wall includes a plurality of side plates, and the lower extreme of a plurality of support all is fixed with mounting panel, the top of mounting panel is equipped with two mounting holes, one side of mounting panel is equipped with a plurality of first connecting hole, the inboard of first connecting hole is equipped with two first movable slot, one side of mounting panel still is equipped with a plurality of clamping groove, and the outboard of a plurality of side plates all is equipped with a plurality of second connecting hole, and the inboard of second connecting hole is equipped with second movable slot, and the inboard of first connecting hole is inserted with bolt, and one end of bolt is fixed with two clamping blocks. The utility model greatly simplifies the installation step, has solved the problem of mountainous area road rugged, mechanical difficult to enter, excavates the pit or masonry concrete workload, time -consuming and labor -intensive.

The utility model discloses a modularization quick -wearing AF line suspender connecting structure contains base, boom and insulator, and the boom is located between both, and the insulator one end has cable clamp for fixing AF line, the base has the connecting ring and guide column of anchor groove, and the boom has top cap, arc push block and the like spare, when installing, through guide column and L shape guide groove complete preliminary positioning, then use the jacking device to make arc push block card into anchor groove and realize firm fixation, and the insulator is connected with the boom through the positioning rod, the convenient connection of the clamping block, modularization design is convenient to independent replacement when partial component damage, has reduced maintenance cost, and the whole structure installs fast, stable and reliable, can effectively improve AF line suspender laying efficiency and use stability.

The wireless blasting vibration meter comprises a shell, the shell comprises a bottom plate and an outer shell, and the bottom plate and the outer shell are fixed together in a sealed mode; a fixing frame is arranged in the bottom plate, and three accommodating cavities for accommodating detectors in the X direction, the Y direction and the Z direction are arranged in the fixing frame; a circuit board is further fixed on the inner side of the shell, and the detector is electrically connected with the circuit board; a 4G antenna, an external SIM card terminal and an on-off key are arranged on the side face of the shell and all electrically connected with the circuit board. According to the utility model, the X-axis detector, the Y-axis detector, the Z-axis detector and the data acquisition part are integrated in the same sealed housing, so that compared with a traditional split structure, installation steps can be simplified; and meanwhile, the shell adopts a closed design that the positioning raised lines are matched with the sealing rings, so that the waterproof, moistureproof and anti-interference capabilities of the equipment in a severe environment can be remarkably enhanced, and the stability and continuity of monitoring operation are ensured.

The utility model relates to drinking water machine technical field, specifically disclose a good integrality drinking water machine water tank, include: water tank body, water tank body includes shell, upper cover and handle, handle sets up in shell and with shell detachable type rotation connection, the both sides of handle are equipped with rotating shaft, the end of rotating shaft is equipped with limit protruding, shell has the through -hole for rotating shaft and limit protruding passes through and with through -hole intercommunication's location slot, location slot is located the inboard of shell, handle has predetermined position state and installation state, when handle one side's limit protruding inserts location slot, handle is in predetermined position state, when handle other side's rotating shaft and limit protruding all insert through -hole, and insert location slot's limit protruding and the rotating shaft connected with it all remove to through -hole, handle is in installation state. The utility model has solved the problem that the handle of drinking water machine water tank is difficult to accurately aim when installing.

The utility model discloses a novel container for liquid hydrogen transportation, including liquid hydrogen transportation jar, including the jar body protection subassembly who sets up on liquid hydrogen transportation jar, jar body protection subassembly includes protection spare and auxiliary positioning spare. The utility model discloses the setting jar body protection subassembly not only can protect liquid hydrogen transportation jar to avoid liquid hydrogen transportation jar in the transportation process because of the shaking and other objects directly collide and lead to the deformation of liquid hydrogen transportation jar, and the collision serious still can lead to the leakage of liquid hydrogen transportation jar problem, in addition, the installation between second protection frame and first protection frame is through the fixed link of pressing and makes the positioning block on the elastic plate on fixed link lock and set in second protection frame, and this method makes the installation step simple between second protection frame and first protection frame, and the installation efficiency is high, in addition, the auxiliary positioning spare can be fixed in position to the liquid hydrogen transportation jar of protection, avoids the liquid hydrogen transportation jar in the process of transportation and jar body protection subassembly separation.

The application relates to the technical field of battery cooling, and discloses a battery pack cooling pipeline, which comprises a mounting bottom plate, cooling pipes, a fixing base and fixing pieces, a plurality of cooling pipes are arranged on the mounting bottom plate, a connecting head for connecting other cooling pipes is arranged at each end of the cooling pipe, the fixing base is fixedly arranged on the mounting bottom plate, and the fixing pieces can fix the fixing base on equipment; the application has the effects of facilitating the installation of the cooling pipeline and improving production efficiency.

This utility model relates to the field of greenhouse window opening technology and discloses a greenhouse ventilation window opening structure, including a vertical pole and a support pole. An extension plate is fixedly installed on the front of the support pole, and a curtain-pulling motor is fixedly installed on the front of the vertical pole. A rotating shaft is fixedly installed at the output end of the curtain-pulling motor. The rotating shaft and the extension plate are rotatably installed. A window opening mechanism is provided outside the rotating shaft, and a positioning mechanism is provided outside the window opening mechanism. Through the window opening mechanism, this utility model allows the side plate to rotate with the rotating shaft during use, facilitating the movement of the rack. With the cooperation of the connecting parts, the side window of the greenhouse can be easily rotated and opened for ventilation. The arc-shaped cover and connecting plate can easily surround the connecting cylinder and conceal the gear, ensuring its cleanliness. With the cooperation of the first extension block, the subsequent limiting work of the arc-shaped cover is facilitated.

The utility model discloses an advertisement identification sign fast -assembling structure, including the installation frame, the inside installation detachable signboard of installation frame, the both sides of installation frame and the position of corresponding signboard all are equipped with the clamping positioning assembly for positioning signboard, the both sides of signboard and the position of corresponding two clamping positioning assembly all are equipped with the clamping groove of cooperation with clamping positioning assembly, and clamping positioning assembly includes the fixed frame of fixed connection in the side of installation frame, and the inside sliding of fixed frame is equipped with the connecting slide seat. The utility model discloses the plug -in design of conical positioning block and positioning seat makes signboard in the installation process can automatically align the inside of installation frame, greatly simplifies the installation step, and simultaneously, when installing, the extrusion effect of signboard to positioning clamping bar bevel, cooperation clamping spring's elasticity has realized the automatic clamping of signboard when clamping groove alignment, does not need extra tool, has improved the installation speed greatly.

The integrated pump station convenient to install comprises a bearing plate, a pump station body is arranged at the upper end of the outer portion of the bearing plate, a fixing ring is arranged at the lower end of the outer arc face of the pump station body, a plurality of butt joint notches are formed in the outer side face of the fixing ring, a plurality of cavity frames are arranged at the upper end of the bearing plate, and a sliding column is arranged in each cavity frame in a sliding mode. The inner side end of each sliding column is provided with a trapezoidal locking insertion block, the trapezoidal locking insertion blocks are connected with the interiors of the adjacent butt joint notches in an inserted mode, and elastic driving units for driving the trapezoidal locking insertion blocks to move are arranged on the outer arc faces of the sliding columns. According to the integrated pump station convenient to install, the bearing plate prepared in advance can be placed in the containing pit prepared in advance, the bearing plate is kept horizontal, and then the integrated pump station can be rapidly clamped and fixed to the bearing plate so that subsequent soil filling and concrete pouring can be conducted; the trouble of adjusting the position of the pump station in a narrow space is avoided, and the installation steps are greatly simplified.

The technical scheme belongs to the technical field of earpicks, and particularly relates to a light-emitting earpick which comprises an earpick body which is a hollow cavity. The earpick head is mounted at the front end of the earpick body; the light-emitting device is mounted in the earpick body; the light-emitting device comprises a circuit board installed in the earpick body; the LED lamp is integrated on the circuit board; the push switch is integrated on the circuit board, and the button end part of the push switch extends out of the side wall of the earpick body; the front end of the power supply connecting piece is integrated on the circuit board, and the rear end of the power supply connecting piece extends into the battery cavity of the earpick body and is used for being electrically connected with a battery in the battery cavity; by adopting an integrated design, the LED lamp, the push switch and the power supply connecting piece are integrated on the circuit board; in the assembling process, the whole light-emitting device is installed in the earpick body as a whole, the installation steps are simplified, the assembling efficiency is improved, and due to the fact that all the components are integrated on the circuit board, the working stability of the light-emitting device is guaranteed.

The utility model relates to the technical field of suspended ceiling embedded lamp installation, and provides a suspended ceiling embedded lamp installation base which comprises an installation cylinder and a shell, the bottom end of the shell is connected with a connecting ring, the connecting ring and the installation cylinder are provided with matched threads, the top end of the installation cylinder is connected with a connecting column, the top end of the connecting column is rotationally connected with a rotating disc, and the rotating disc is connected with a rotating shaft. The top end of the rotating disc is connected with a connecting rod, a plurality of mounting grooves are formed in the shell, fixing rods are fixedly connected into the mounting grooves, the fixing rods are rotationally sleeved with a rotating cylinder, the rotating cylinder is connected with a plurality of connecting plates, the connecting plates are connected with fixing plates, the rotating cylinder is connected with a telescopic rod, the other end of the telescopic rod is connected with a bent rod, and the bent rod is rotationally connected with a connecting column. According to the device, the ceiling can be stably clamped and fixed by putting the mounting seat with the lamp into the formed ceiling mounting opening, simply dragging and rotating the mounting cylinder and driving the fixing plate to rotate through the bent rod and the telescopic rod by virtue of the interaction of the mounting cylinder and the connecting ring, so that the device is easy to operate and saves labor and time.

The utility model discloses a low-power-consumption wireless meter reading remote transmission device which comprises a wireless acquisition module for receiving wireless data of an intelligent meter, and further comprises a low-power-consumption MCU (Microprogrammed Control Unit) which is connected with the wireless acquisition module through a first port and is used for receiving the wireless data received by the wireless acquisition module and generating reading information; the wake-up module is connected to the second port of the low-power-consumption MCU and used for receiving a wake-up signal and controlling the low-power-consumption MCU to be switched from the standby state to the working state; the remote transmission module is connected to a third port of the low-power-consumption MCU and used for sending the reading information of the MCU in the working state; and the built-in power supply module is at least connected to the fourth port of the low-power-consumption MCU and is used for supplying power to the wireless acquisition module, the low-power-consumption MCU, the wake-up module and the remote transmission module. According to the utility model, the installation volume of the meter reading device is effectively reduced, the installation steps are simplified, and the manufacturing cost of the meter reading device is also saved.

The utility model discloses a pressing block antiskid sleeve for a photovoltaic module steel frame, which comprises a steel structure frame with a zinc-aluminum-magnesium coating and an antiskid sleeve, the steel structure frame is S-shaped, the antiskid sleeve is of an integrated bent steel structure, the antiskid sleeve comprises a first fitting part and a second fitting part, and the first fitting part and the second fitting part are arranged on the steel structure frame. Concave-convex insections are arranged on the first attaching part, the first attaching part and the second attaching part are attached to the upper end face and the side end face of the steel structure frame correspondingly, the bottom of the anti-skid sleeve is upwards clamped to the upper wall of the interior of the steel structure frame, and a pressing block assembly is arranged at the top of the anti-skid sleeve. The steel anti-skid sleeve with the concave-convex insections and the longitudinal limiting structure is arranged, indirect contact between the pressing block and the zinc-aluminum-magnesium coating is achieved, the friction force and limiting reliability of the matching face are greatly improved by matching with the elastic clamping characteristic of the anti-skid sleeve, rapid clamping without a fastener is achieved by matching with an elastic clamping structure of the anti-skid sleeve, and the service life of the anti-skid sleeve is prolonged. Existing facilities and construction procedures do not need to be changed, and installation steps are simplified.

This utility model discloses a photovoltaic module installation structure for the side of a traffic road, comprising: vertical columns spaced apart in the left-right direction, with a support plate on the front side of the vertical columns; connectors, with their left and right ends supported by corresponding support plates and connected and fixed to the support plates; a fixing component including a connecting block and a pressure block, the connecting block being connected to the connector, the pressure block being connected to the front end of the connecting block and protruding vertically from the connecting block, the pressure block, the connecting block, and the connector forming a groove; and a photovoltaic module, with its bottom and top embedded in the corresponding groove and pressed by the pressure block to fit snugly against the connector. This utility model achieves the positioning, installation, and fixing of the photovoltaic module by embedding its bottom and top into the groove and applying pressure with the pressure block to ensure a tight fit with the connector, thereby reducing installation gaps, avoiding vibration and noise caused by installation gaps, simplifying installation steps, reducing installation time and labor costs, and improving construction efficiency.

The utility model relates to bathroom product technical field, especially a shower pipe convenient to installation, including positioning cylinder, shower pipe body and quick -witted subassembly, both ends of positioning cylinder are rotatably connected with the clamping position cylinder, each clamping position cylinder is fixedly connected with the locating plate, each locating plate is hinged with the clamping position cover, the clamping position cover and the locating plate far away hinged one end are detachably fixedly connected, the shower pipe body fixedly connected between the locating plate and the clamping position cover, both ends of shower pipe body are rotatably connected with the clamping position nut, the quick -witted subassembly sets up at one side of positioning cylinder, is used for to the position fixed of positioning cylinder. The utility model technical scheme, aims at more convenient worker to the installation of shower pipe fitting, improves the installation efficiency of pipe fitting.

The utility model discloses an adjusting screw and a handle, relates to the technical field of brake handles, and aims to solve the technical problems that the installation operation of a current brake cable is tedious, and the adjustment of the brake cable consumes time, the adjusting screw comprises an adjusting mechanism, the adjusting mechanism comprises a threaded pipe and a limiting ring, the outer surface of the threaded pipe is provided with threads, and the limiting ring is arranged on the threaded pipe. A rotating pipe is integrally formed at the tail end of the threaded pipe, a first wire inlet notch is formed in the outer surface of the threaded pipe in the long axis direction, a second wire inlet notch is formed in the rotating pipe in the long axis direction, the first wire inlet notch communicates with the second wire inlet notch, and the limiting ring is installed on the outer surface of the threaded pipe in a threaded mode. The limiting ring is provided with a third wire inlet gap, and the width of the third wire inlet gap is consistent with the width of the first wire inlet gap. The electric bicycle has the advantages that installation steps can be simplified, installation and adjustment time is shortened, hand fatigue of a rider is relieved through the power assisting structure, and comfort and safety are improved.