55results about How to "Disperse impact" patented technology

This utility model belongs to the field of mold technology, specifically relating to a punching mold with an ejector pin protection mechanism. It includes a main body containing a mold core, and an outer mold shell for fixing internal mold components. A plum blossom pad is located below the main body. A ejector pin hole for mounting and allowing ejector pin movement is coaxially located at the lower end of the plum blossom pad. An ejector pin hole is coaxially located above the ejector pin hole. Multiple fan-shaped movable holes are arranged around the ejector pin hole, forming a protective block. Multiple mating holes are formed within the protective block. A plum blossom ejector pin and an ejector pin are located within the ejector pin hole. The plum blossom ejector pin has a main rod and multiple auxiliary rods that can be inserted into the mating holes. The main rod has notches and mating blocks corresponding to the protective block and movable holes around it. A limiting block is provided on the ejector pin, and a toothed cap is located below the plum blossom pad. Through the arrangement of these components, the ejector pin is completely protected and will not deform or break under stress.

The present application relates to the technical fields of slope monitoring and reinforcing, and discloses a slope monitoring and reinforcing system based on highway construction, which comprises a retaining wall, a drainage ditch located on a slope is excavated on one side of the retaining wall, a reinforcing assembly is arranged on the other side of the retaining wall and fixed on the slope, drainage assemblies are sequentially arranged along the length direction of the slope, and drainage mechanisms are sequentially arranged on the top of the drainage assemblies and along the length direction thereof. The present application effectively avoids the soil erosion and settlement inside the soil layer caused by the large amount of seepage water, improves the strength of the slope, facilitates the monitoring personnel to timely monitor the state of the slope, can monitor the seepage and settlement state of the soil at different depths and directions of the slope, facilitates the management and maintenance personnel to monitor and maintain the internal state of the slope, improves the monitoring accuracy of the slope, and facilitates the timely maintenance and management of the slope.

The application discloses a telescopic ceiling handle, a processing method and an automobile, and relates to the technical field of automobile interiors. The telescopic ceiling handle comprises a buffer structure assembly arranged between a handle base cover and a handle base. The buffer structure assembly comprises a buffer structure framework and a buffer structure soft rubber connected as a whole. The buffer structure framework is matched with the inner contour of the handle base cover, and the buffer structure soft rubber is matched with the outer contour of the handle base cover. The buffer structure soft rubber can absorb the vibration generated by the impact between the handle base cover and the handle base when the buffer structure soft rubber is deformed under stress. The buffer structure framework is used for supporting the buffer structure soft rubber. The buffer structure assembly arranged between the handle base cover and the handle base can absorb the harsh sound generated by the impact when the ceiling handle is returned to the original position, improve the silent experience of the passenger compartment, and avoid the influence of the appearance quality caused by the collision and damage between the plastic parts.

The utility model provides a kind of water pump pump head, belong to water pump technical field.It solves the problem of insufficient structural strength of pump head in prior art.The utility model includes pump cover, pump head main body and connecting disc body, pump head main body is integrally formed and pump body main body includes water storage body and impeller body, water storage body and impeller body inside form water storage chamber and impeller chamber respectively, water storage chamber and impeller chamber are interconnected, connecting convex is formed outside impeller body and pump cover is attached with connecting convex and is fixed by bolt, water pump impeller is installed in impeller chamber, the pump head main body of one side of water storage chamber is formed with sealing cylinder, sealing assembly is installed in sealing cylinder, the periphery of pump head main body is formed with a plurality of first connecting columns, the periphery of connecting disc body is formed with a plurality of second connecting columns, first connecting column and second connecting column correspond and the end face of first connecting column and the end face of second connecting column are attached with setting.The utility model has the advantages of higher structural strength.

The utility model discloses a touch screen with a protective structure, which comprises a casing and protective blocks respectively arranged at four corners of the casing, the thickness of the protective blocks is larger than that of the casing, an accommodating groove is arranged in each protective block, the four corners of the casing are respectively arranged in the corresponding accommodating grooves, and the protective blocks are arranged in the accommodating grooves. One side of each protection block is connected with a fixing plate through an extending assembly, the fixing plates are arranged on the back face of the shell, and gaps exist between the fixing plates and the back face of the shell. According to the technical scheme, the risk that the touch screen is broken when falling from the high altitude can be reduced.

The utility model relates to valve structure technical field especially relates to a control valve, it includes: end cover, main valve block and main valve core etc. Main valve block is fixed on the end cover, forms the hollow channel in the inside of end cover and main valve block, and has the import and export, main valve core is slidably arranged in the hollow channel, and main valve core is hollow structure, and forms and has the multiple sets of throttling portion communicated to the hollow structure inside, and the annular gap is formed between the outer wall of throttling portion and the inner wall of main valve block. The utility model discloses through the multiple sets of throttling portion set up on main valve core, reduces the flow and pressure of fluid, through the annular gap formed between the outer wall of throttling portion and the inner wall of main valve block, avoids high pressure emulsion direct impact main valve core, can store emulsion through the annular gap, thereby further reduced pressure and flow impact, through the combined use of throttling portion and annular gap, can disperse pressure and flow impact, thereby improves the stability and reliability of equipment.

The utility model relates to a kind of offshore buoy formula communication relay integrated device applied to communication relay field, including the communication relay integrated machine being installed in installation box, the inner wall of installation box is fixedly connected with positioning ring, positioning ring and the upper end of installation box are all excavated with positioning groove, two positioning grooves are commonly screw-threaded with protective cover, the lower end of installation box is fixedly connected with buoy platform, multiple protective nets are equipped outside buoy platform, two protective nets between adjacent are fixedly connected with elastic band, the outer surface of buoy platform is fixedly installed with multiple mounting plates, two mounting pipes are fixedly connected with the end of mounting plate towards protective net, through the synergies of protective net, mounting pipe and compression spring etc. structure, when being impacted by floating object, multistage buffering energy absorption can be realized, effectively prevent floating object direct impact communication relay equipment, significantly reduce equipment damage risk, and then greatly reduce later maintenance cost.

The utility model discloses a kind of suspension mechanism of indoor decorative plate, including decorative plate, the decorative plate is connected with wall surface by multiple fixed structures, the fixed structure includes concave frame, convex frame, limiting structure, the concave frame is fixed in wall surface by thread bolt, the convex frame is connected decorative plate back by thread bolt etc. Mode, multiple fixed structures between being equipped with cushion block, a kind of suspension mechanism of indoor decorative plate of the utility model, by the position of decorative plate being limited to the insertion of the through hole below the mortise and tenon joint of concave frame groove, when installing decorative plate consistent with wall surface height, after convex frame enters concave frame groove, bolt is automatically dropped into the through hole below concave frame, it is not necessary to manually fix, compared with most decorative plate fixing method of existing, it is less limited by construction site, simple structure is easy to operate.

The oil-water separation device comprises a lower shell, a sleeve is fixed on the outer side of the lower shell, a sealing gasket is arranged on the inner side of the sleeve, the sealing gasket is tightly attached to the outer side of an upper shell, and an arc-shaped cover plate is arranged on the outer side of the sleeve in a sleeving mode; an annular limiting groove is formed in the outer side of the sleeve, an insertion hole is formed in one side of the arc-shaped cover plate, an arc-shaped limiting plate is connected into the annular limiting groove in an inserted and pulled mode, the side, away from the annular limiting groove, of the arc-shaped limiting plate is located in the insertion hole and provided with a side rod, and a groove plate is arranged on the outer side of the arc-shaped cover plate. The ends of the side rods penetrate through the groove plates, extend outwards and are provided with pull handles, springs are arranged on the outer sides of the side rods, one ends of the springs are connected with the arc-shaped limiting plates, and the other ends of the springs are connected with the inner walls of the groove plates. When the filter medium needs to be replaced, the shell can be conveniently disassembled only by pulling the pull handle to pull the arc-shaped limiting plate out of the annular limiting groove, a large amount of time and effort are not needed to process bolts or damage a welding structure, and the maintenance efficiency of replacement of the filter medium is improved.

The utility model discloses a construction safety management construction is prevented falling and is blocked net, including prevented falling and is blocked net main part, hook subassembly and assembly mechanism, prevented falling and is blocked net main part includes frame, main net body and edge buffer zone, after the edge buffer zone is installed to the inside edge of frame, the main net body is installed on the edge buffer zone, prevented falling and is blocked net main part is provided with a plurality of, after realizing transverse or longitudinal splicing through the assembly mechanism between adjacent prevented falling and is blocked net main part, respectively through the hook subassembly hang and place fixed in the use position. The utility model has the advantages compared with prior art: the edge buffer zone is through the elastic deformation and absorbs the kinetic energy of falling object, reduces the risk of net body tearing, solves the problem that the traditional single layer net body weak impact resistance, easy to break, through the assembly mechanism allows horizontal / longitudinal free combination, adapts to different span demand, expands the use range while improving the stability of use.

This utility model relates to the field of automotive parts technology and provides a triangular reinforced A-pillar, comprising an integrally formed reinforcing body. The reinforcing body is an inclined plate-like structure, and its overall arrangement forms a triangular layout, suitable for connection with the roof of the vehicle body and the rearview mirror. The reinforcing body includes a first reinforcing member, a second reinforcing member, and a third reinforcing member. The first reinforcing member is a long strip-like plate-like structure extending vertically, with one side of the first reinforcing member recessed inward. The third reinforcing member is an inclined long strip-like plate-like structure, with the end closer to the second reinforcing member being higher. One end of the second reinforcing member is smoothly connected to the upper end of the first reinforcing member, and the other end is connected to the third reinforcing member. This triangular reinforced A-pillar significantly improves the overall strength and compressive strength of the A-pillar, and can better absorb and disperse collision energy.

The utility model provides an internal core structure of a humidifier, which relates to the technical field of internal core structures of humidifiers, and comprises a first buckle, a core shell arranged on one side of the first buckle, a second grating arranged on the surface of the core shell, a second buckle arranged on one side of the first buckle, and a second grating arranged on the surface of the second buckle. The surface, close to the moisture inlet and outlet, of the core shell is provided with the circular holes, the circular holes can effectively protect membrane filaments from being broken due to impact of high-flow-speed gas, it can be guaranteed that other membrane filaments enter the membrane filament bundle and fully flow on the outer surface, the grating is located outside the humidifier shell and can be conveniently cut off after being filled with pouring glue, and therefore the humidifying effect is good. Meanwhile, the circular holes can effectively disperse impact force of high-flow-speed gas, membrane filaments are prevented from being directly impacted by high-speed gas flow, therefore, the filament breaking phenomenon is reduced, normal work of the humidifier is guaranteed, the grating is located outside the humidifier shell and is convenient to cut off after being filled with glue, the production technology is simplified, the machining difficulty and cost are reduced, and the production efficiency is improved. And the production efficiency is improved.

The utility model relates to the field of handrails, in particular to an all-glass handrail which comprises a clamping mechanism. A fixing mechanism is arranged at the upper end of the clamping mechanism, a glass body is arranged at the upper end of the fixing mechanism, and a protection mechanism is arranged on the side wall of the glass body. The anti-pulling capability is remarkably improved through the clamping mechanism, the maintenance cost is reduced through the fixing mechanism, and the problems that in the prior art, a device is usually fixed through glass cement or a simple metal clamp, the connecting strength of glass and the ground or a stand column is limited, the edge is prone to cracking due to stress concentration or tiny vibration, and the service life is short are solved. The problems of complex process and high construction precision requirement, the overall structure needs to be dismantled during later maintenance or glass replacement, the cost is high, and a metal frame or a clamp shields sight lines, so that the transparency of the glass handrail and the overall attractiveness of a building are influenced are solved.

The utility model relates to the technical field of measurement and detection, concretely to a portable measurement and detection device, including detector and connecting device, the surface of detector is installed with display screen, the upper surface of detector is fixedly connected with interface, the upper surface of interface is inserted with data plug, connecting device sets up on the surface of interface, and connecting device includes fender, and fender is fixed on the surface of interface, the utility model, when data plug inserts, rubber sleeve moves down under stress, and the impact force when plug inserts is dispersed, and the hard direct extrusion of plug and interface is reduced, and when needing to pull out plug, rotating round cover makes card and through -hole correspond, and rubber sleeve resets under the action of pressure spring, further reduces the friction and extrusion damage of plug and interface in the plug pulling -out process, prolongs the service life of data plug and interface, and reduces the equipment failure probability caused by the damage of connecting component.

This invention provides a display in which multiple light-emitting elements are mounted on a circuit board and distributed along the length of the display. A light guide is adapted to transmit the light emitted by the light-emitting elements to the display screen. The light guide is connected to a first protective element, a second protective element, and a third protective element. The first, second, and third protective elements are all mounted on the circuit board and distributed along the length of the display. The first and second protective elements are located at opposite ends of the multiple light-emitting elements. Thus, the first, second, and third protective elements provide protection for the circuit board and the light-emitting elements, helping to resist the impact of the light guide on the circuit board and the light-emitting elements. This helps reduce damage to the light-emitting components from excessive impact and also helps reduce damage due to stress concentration at the ends or other locations of the circuit board, thereby improving the protection effect for the light-emitting components.

This utility model discloses a low-temperature food preservation and storage device, relating to the field of food preservation technology. It includes a refrigerator with an open storage chamber containing multiple storage boxes stacked inside. The top width of each storage box is greater than its lower middle width, and a gap is formed between the lower middle part of the storage box and the inner walls of both sides of the storage chamber. In this design, when the lower middle part of the storage box compresses the elastic ring until the soft strip reaches its innermost point, the soft strip tightens into an arc shape. This arc structure further enhances the cushioning effect, dispersing the impact force during placement. Simultaneously, it forms a double cushioning protection with the elastic ring. Furthermore, the multiple elastic rings are in close contact with each other, with their contact edges on the same plane, ensuring that the cushioning force of each elastic ring is evenly transmitted. The consistent cushioning effect of multiple elastic rings avoids direct collision with the inner walls, effectively protecting the food.

The utility model relates to the technical field of battery packs, and discloses a battery pack with good protective property, which comprises a supporting base, an assembling plate frame I is fixedly mounted on one side of the upper end of the supporting base, and an assembling plate frame II is fixedly mounted on the other side, close to the assembling plate frame I, of the supporting base. According to the special-shaped banding frame and the special-shaped anchoring plate, impact force can be effectively dispersed to prevent plate frame deformation and battery displacement when facing mechanical impact, the risk that a battery pole piece is damaged and falls off during welding is avoided, the overall structural stability of a battery pack is enhanced, the safety performance is further improved, and the service life of the battery pack is prolonged. Meanwhile, by arranging a longitudinal buffer cushion, a transverse buffer cushion and a bottom buffer cushion, energy can be absorbed and dispersed in time when the battery pack is vibrated or impacted, the influence of external force on the batteries is effectively reduced, mechanical stress damage of the batteries in the transportation or use process is avoided, and the service life of the batteries is further prolonged.

The utility model discloses a track steel structure embedded part, which belongs to the technical field of track traffic engineering, and is characterized by comprising a fixing plate, the bottom of the fixing plate is fixedly connected with a supporting assembly, a plurality of fixing holes are formed in the fixing plate, the interiors of the fixing holes are movably connected with fixing assemblies, and the fixing assemblies are fixedly connected with the supporting assembly. The bottom of the fixing assembly is fixedly connected with a foundation bolt, the fixing assembly comprises a circular column, a connecting groove is formed in the top of the circular column, and positioning blocks are slidably connected to the four corners of the bottom of the surface of the circular column. The problems that impact force generated in the concrete filling process cannot be counteracted, so that an embedded plate is inclined and deviated, installed objects such as a track beam are inclined, the stability and safety of a building are seriously affected, and the practicability of the device is reduced are solved.

The invention relates to the technical field of advertisement display equipment, in particular to an advertisement display screen with an anti-collision function, which comprises a bottom frame, a protective frame, anti-collision glass, a display screen body, a guide rod, a sliding frame, a longitudinal damping spring, a sliding block and a rotating frame, guide rods are fixedly connected to the two sides of the interior of the bottom frame, a sliding frame is slidably connected between the two guide rods, a sliding block is slidably connected to the sliding frame, a rotating frame is rotatably connected to the sliding block, the rotating frame extends to the top of the bottom frame, a protective frame is connected to the rotating frame, and a display screen body is installed in the protective frame. The longitudinal damping springs and the transverse damping springs are used for buffering front-back and transverse impact force, in cooperation with guiding steering of the rhombic blocks and the avoiding rails, azimuth avoiding during oblique collision can be achieved, the display screen body is prevented from being damaged due to direct stress, structural matching is smooth, resetting is accurate, and stable operation of the device is guaranteed.

This utility model provides a plug-in type sound barrier, belonging to the field of sound barriers, comprising: a frame; column assemblies, with one column assembly on each side of the frame; each column assembly includes: multiple columns; the multiple columns are spaced apart from the first end to the second end of the frame; folded channel steel, with folded channel steel on the second side of the column at the first end of the frame, folded channel steel on the first side of the column at the second end of the frame, and folded channel steel on both sides of each column in the middle. The purpose is to solve the problem of low installation efficiency in existing plug-in type sound barrier structures. The achieved technical effect is: to realize a plug-in type sound barrier structure that significantly shortens the construction cycle and reduces labor costs.

The utility model provides a kind of spherical elbow belongs to pipe fitting technical field.It solves the problem of uneven distribution of fluid at branch and generation of larger noise in the prior art multi-channel elbow.The spherical elbow includes main pipe body, the main pipe body has several branch pipe bodies respectively with the communication of main pipe body, the main pipe body is spherical, the inner wall of each branch pipe body has several flow guide protrusions, the flow guide protrusions are spirally extended from the water inlet end of branch pipe body to the water outlet end, the pipe wall of branch pipe body has noise reduction hole along the length direction of branch pipe body, the noise reduction hole has multiple and is interval setting along the circumference of branch pipe body.The utility model has the advantage of solving the problem of larger noise generated during use of existing multi-channel elbow.

The utility model discloses a Hough joint half body which comprises a half body and a sealing piece half body installed on the half body, the two ends of the sealing piece half body are in one-to-one sealing fit with the two ends of the half body respectively, the side, matched with the sealing piece body, of the half body serves as the inner side, and the other side serves as the outer side. Straight edge sections arranged in the length direction are arranged on the two long edge sides of the inner side walls of the half bodies correspondingly, and straight edge grooves are formed in the positions, corresponding to the two straight edge sections, of the inner side walls of the sealing piece half bodies correspondingly. The straight edge sections of the corresponding long edge sides of the half body are tightly installed in the straight edge grooves corresponding to the two long edge sides of the sealing piece half body respectively. The sealing piece half body is tightly installed through the straight edge section of the half body, the situation that the sealing piece half body is loosened under the action of water pressure due to loose sealing is avoided, and the sealing performance in the follow-up using process is ensured. The utility model further provides the half joint.

The utility model discloses a mooring rope liquid level meter fixing device, and particularly relates to the technical field of fixing devices, the mooring rope liquid level meter fixing device comprises a clamping assembly, a fixing mechanism and a guide assembly, the guide assembly is installed above the inner wall of the fixing mechanism, the clamping assembly is placed above the guide assembly, a meter hammer is fixed in a fixing rod, and the fixing mechanism is fixed on the fixing rod. The fixing rod is fixed in the tank in a transverse fixing mode, the transverse pressure intensity on the fixing rod when the stirring mechanism stirs liquid is reduced through the fixing mode, the meter hammer can be firmly fixed in the stirring tank, and when the stirring tank stirs the liquid, the liquid can impact the lower side of the fixing device. And through the design of the external arc shape of the guide plate, the impact of the liquid on the shell assembly is dispersed, and the situation that after the stirring tank is used for a long time, the liquid repeatedly impacts the shell assembly, and the installation positions of the fixing device and the storage tank are loosened is prevented.

This invention provides a pile foundation structure for offshore wind turbine towers, belonging to the field of offshore wind power technology. The pile foundation structure includes a pile cylinder extending vertically along its axis and cast-in-place piles fixedly installed at the bottom of the pile cylinder. The pile cylinder and the cast-in-place piles are coaxially arranged. Each cast-in-place pile includes a pile tube. Multiple support fins extending along the axial direction are fixedly installed on the outer wall of the pile tube, evenly distributed along the circumference of the pile tube. A protective cylinder is slidably sleeved on the outer wall of the pile cylinder. A fixing plate is fixedly sleeved on the outer wall of the pile cylinder, located above the protective cylinder, to limit the movement of the protective cylinder along its axial direction. A protective frame is fixedly sleeved on the bottom of the outer wall of the protective cylinder. The protective frame includes a fixing disc coaxially arranged with the protective cylinder. Two sets of protective components are fixedly installed at the bottom of the fixing disc to prevent the pile cylinder from sinking and tilting due to geological changes after long-term use.

The utility model relates to an antiskid safety shoe with a honeycomb micropore buffer layer in the field of safety shoes, which comprises a shoe body and a sole, the shoe body is arranged on the upper side of the sole, the sole consists of an upper layer, a middle layer and a lower layer, honeycomb micropores are vertically arranged in the middle layer, and elastic buffer columns are arranged in the honeycomb micropores. The radial lines, making contact with the foot sole, on the surface of the upper layer can effectively improve the anti-skid effect of the upper layer of the shoe sole and the foot sole, the slipping problem caused by foot sweat is avoided, and the honeycomb micropores in the middle layer can effectively disperse impact force, so that the vertical buffering efficiency and the wet and slippery ground friction coefficient of the shoe are improved; the first drainage grooves and the second drainage grooves formed in the bottom side of the lower layer can effectively improve the anti-skid effect, the upper layer, the middle layer, the lower layer and the elastic buffering columns are integrally formed, the glue failure problem is avoided, the elastic buffering columns are arranged in the honeycomb micropores, the buffering supporting effect can be achieved, and the anti-skid effect is improved. And the problem of collapse deformation of honeycomb micropores in a long time is avoided.

The utility model belongs to the technical field of pipe jacking construction engineering, and particularly relates to a pipe jacking receiving well outlet reinforcing structure which comprises a supporting plate. A first supporting frame is fixedly connected to the side wall of the top end of the supporting plate. A steel pipe is fixedly connected to the middle of the first supporting frame. A round hole is formed in the middle of the steel pipe; a plurality of groups of first electric push rods are hinged to the side wall of the circular hole; the first electric push rods are uniformly distributed on the side wall of the circular hole; an inclined plate is hinged to the top end of the first electric push rod; the bottom end of the inclined plate is hinged to the side wall of the round hole. Guide openings are formed in the top ends of the inclined plates; after the supporting plate and the steel pipe are integrally fixed, a stable reinforcing frame is formed in cooperation with sealing treatment on the side of the first supporting frame, in the pushing process of the jacking pipe, the sealing effect is achieved through cooperation of the first electric push rod and the inclined plate, the impact force generated when the jacking pipe is ejected out is dispersed, and damage caused by uneven stress to the hole structure is reduced.

The utility model relates to the field of structural design of rotating platforms, in particular to a single-shaft non-magnetic table anti-impact device which comprises a base, a connecting table, a shell, a sliding block, a first spring, an electric push rod and a rotating frame. Symmetrical sliding blocks are slidably connected to the two sides of the top of the connecting table in an embedded mode, first springs are symmetrically connected to the sliding joints of the two sides of the sliding blocks and the connecting table, an electric push rod is installed in the middle of the top of the connecting table, and rotating frames are rotatably connected to the tops of the sliding blocks on the two sides. First-stage damping is formed through the balls and the second springs between the base and the connecting table, second-stage transverse buffering is formed through the sliding blocks and the first springs, and a three-dimensional anti-impact system is formed. The motor drives the gear to perform meshing transmission to drive the rotating shaft to rotate stably, the rigid connection between the expansion disc and the workbench ensures the angle adjustment precision, and the non-magnetic environment requirement of the magnetic sensitive equipment is met.

The utility model relates to low -voltage distribution cabinet technical field, concretely is a kind of impact-resistant low-voltage distribution cabinet, including low-voltage distribution cabinet main body, two fixed vertical boxes are fixedly arranged in the both ends of low-voltage distribution cabinet main body, two dampers are fixedly connected in the both ends of low-voltage distribution cabinet main body, one side of two dampers is fixedly installed with fixed plate, one side of two fixed vertical boxes is slidably installed with two sliding seats, the inside of two sliding seats is rotatably connected with rotary plate, the utility model can effectively relieve impact force by using two buffering mechanisms, so as to protect low-voltage distribution cabinet, at this moment, the arc design of protection arc plate and rubber strip can also effectively disperse impact force, reduce the influence of impact force on low-voltage distribution cabinet, to improve the protection performance of low-voltage distribution cabinet, so that it is less likely to be damaged when being impacted.

The present application relates to a kind of crankshaft units, aero-engine and aircraft, belong to aerospace technology field, when flexible disc is directly connected with starter, the problem that the rotation moment of flexible disc is big, the gear of starter is easy to impact with starting gear ring at initial meshing moment, bring strong vibration and damage starting gear ring is solved.The present application includes crankshaft and flexible disc;Flexible disc is set to one end of crankshaft;Flexible disc includes disc body and starting gear ring being set to the edge of disc body along circumference;Starting gear ring is used to mesh with the gear of starter;Wherein, starting gear ring includes multiple sections being distributed along circumference, adjacent section can relatively move.The present application reduces the impact and vibration generated when the gear of starter is meshed with starting gear ring.