21 results about "Roller skating" patented technology

The application provides a knee guard with buffering and damping functions for roller skating, and relates to the technical field of knee guards.The knee guard comprises a knee guard cover, a protective shell is installed at the front end of the knee guard cover, a damping mechanism is installed on the front surface of the protective shell, and a limiting belt is installed at the back side of the knee guard cover.In the application, the U-shaped elastic sheet, the V-shaped elastic sheet, the groove and the guide block are matched, so that when the user falls down, the support plate drives the U-shaped elastic sheet and the V-shaped elastic sheet to slide along the surface of the guide block and the groove in the first time through the connecting block, to preliminarily dampen, and the pushing frame moves in the active groove along with the connecting block, so that the pushing frame extrudes the spring, to secondarily dampen.Finally, the knee of the user is buffered and damped by the buffer pad, to reduce the impact injury of the knee of the user after falling down, so that the injury of the knee of the user is reduced to the maximum extent through multiple damping and buffering.

The utility model provides a metal armored high-voltage cabinet down PT roller skating carrying vehicle which comprises a movable base, universal wheels are arranged on the periphery of the lower surface of the movable base, limiting grooves are formed in the left end and the right end of the upper surface of the movable base, L-shaped limiting plates are arranged in the limiting grooves, extension strips are arranged on the lower surface of a transverse plate of each L-shaped limiting plate, and the extension strips are connected with the movable base. The extension strip is embedded into the limiting groove, guide wheels are arranged on the periphery of the lower surface of the extension strip, screws are spirally embedded into the left side face and the right side face of the movable base, and the screws are spirally embedded into the extension strip. According to the utility model, the high-voltage cabinet can be transferred and limited and clamped during transfer, so that the high-voltage cabinet is prevented from inclining.

1. Name of the product in this design: Roller skates (H300YL). 2. Purpose of this design: Roller skates for roller skating. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

1. The name of the design product: helmet (9-hole carbon fiber pattern small brim). 2. The use of the design product: for riding and roller skating helmet protection, etc. 3. The design points of the design product: there is a small front brim, and the surface is designed with carbon fiber patterns. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a lifting device for a rescue ship, and relates to the technical field of marine rescue equipment, the lifting device comprises a climbing rod arranged on the rescue ship, a support frame arranged at the bottom of the climbing rod and a bottom plate mounted on the rescue ship, and a plurality of limiting sleeves for mounting lifting ropes are symmetrically and fixedly mounted on the climbing rod. According to the lifting device, articles at one end of the lifting rope can be lifted while discharging is conducted through the lifting rope, lifting operation can be completed, assemblies easy to mount, dismount and replace are adopted, then the assemblies can be flexibly combined according to the size and requirements of the rescue boat, the foldable lifting arm is adopted, and the lifting device is convenient to use. The space occupation is reduced when the device is not used, the space utilization rate of the ship is improved, accessories such as the size, the pipe diameter and the roller skating set of the climbing rod can be replaced according to different types and main hook lifting capacity of the rescue ship, the device has the advantages of being low in cost and easy to operate, meanwhile, the efficiency is improved, and the device is suitable for various rescue scenes.

The present application belongs to the technical field of detachable footwear, and specifically relates to a detachable roller skating structure, a roller skate and a roller skate wearing method. The roller skating structure comprises a framework, a locking mechanism and a toggle switch, wherein an accommodating cavity extending in the direction of length is provided in the framework, and the locking mechanism is mounted in the accommodating cavity; the locking mechanism comprises two latches and a driving assembly located between the two latches, with the driving assembly being linked with the toggle switch on the outer side of the framework; and a limiting lock is provided on the toggle switch. In the present application, the toggle switch can be freely rotated by means of unlocking the limiting lock, and the toggle switch can rotate to drive the latches on the locking mechanism to move towards or away from each other, such that the roller skating structure can be more conveniently detached from or mounted on the sole of a regular shoe, thereby realizing the free switching between a regular shoe and a roller skate. Moreover, the self-locking of the roller skating structure is realized by means of the arrangement of the limiting lock, thereby improving the use safety of the roller skate.

This application discloses a hyperboloid roller skating rink, belonging to the field of sports field construction structure technology. It includes an outer field, an inner field, fencing, protective mechanisms, and reinforcing support mechanisms. The rink is divided into an outer field and an inner field by the fencing. The inner field includes a track and a lawn. The track has a hyperboloid design, including a smooth zone, a transition zone, and an acceleration zone. This application uses the fencing to distinguish the inner and outer fields. The inner field has a track and a lawn. The hyperboloid design, with its continuous undulations, not only increases the difficulty of the track but also enhances its fun factor, making it popular among sports enthusiasts. It has a high usage rate and popularity, thereby improving productivity and promoting the expansion of roller skating rinks and the popularization of roller skating. By placing the roller skating rink outdoors, it can accommodate more people to watch. Simultaneously, the lawn outside the track in the inner field reduces direct friction between the skater and the ground after a fall, thus reducing injury and greatly improving the practicality of the device.

The invention relates to a learning device for learning sliding sports, in particular alpine skiing, cross-country skiing, snowboarding, ice skating, roller skating, and inline skating. According to the invention, the learning device comprises a seat and fastening means for securing the end of a pole, in particular a ski pole (9), substantially in the center of the seat so that, in the fixed position, the ski pole extends transversely to the seat. Fig. for the abbreviation: Fig. 5

The invention discloses a fire rescue emergency power supply device for an underwater tunnel in the technical field of underwater emergency fire-fighting equipment, the fire rescue emergency power supply device is applied to fire-fighting equipment, the power supply device comprises a roller skating generator, a power supply management unit and a microcontroller, the output end of the roller skating generator is connected with the input end of a three-phase rectification filter circuit through a three-phase power grid, and the output end of the three-phase rectification filter circuit is connected with the power supply management unit. The output end of the three-phase rectification filter circuit is connected with the input end of the DC-DC voltage stabilization module, and the output end of the DC-DC voltage stabilization module is connected with the input end of the MPPT controller. The power management unit comprises a power switching circuit. Inherent water flow in a tunnel serves as a power source and is converted into electric energy through the roller skating generator, almost uninterrupted power supply is provided for key fire fighting equipment, the autonomy and durability of emergency rescue are greatly improved, meanwhile, power supply stability and reliability can be effectively improved through multi-power-source switching and matched power supply, and the safety of emergency rescue is improved. The power supply is prevented from depending on a single power supply network, and timeliness and safety of underwater fire rescue can be guaranteed.

This invention relates to a roller skating shoe, belonging to the field of roller skating shoes and new energy technology. It mainly includes a shoe body, a wheel frame, a roller, and a wheel axle. At least one wheel frame has a power generation unit and a circuit board mounted on its inner and outer sides. The roller consists of a wheel body and a bushing, with an exciter embedded within the wheel body. The power generation unit consists of a coil, an exciter, and an inner shell. The bottom wall of the inner shell has a coaxial inner and outer cylinder, which together form a coil groove, which is an annular groove. The coil is placed in the coil groove, and the exciter is placed in the inner cylinder cavity. The axis of the coil is parallel to the axes of the wheel axle and the roller. When the roller rotates relative to the wheel axle and wheel frame, the exciter and the exciter alternately approach and separate, generating an attractive force of alternating magnitude. During the process of the exciter leaving the exciter, it applies a rotational torque to the exciter, causing the exciter to rotate rapidly and its two magnetic poles and magnetic field direction to change rapidly, cutting magnetic lines of force and generating electricity. The electrical energy is transmitted to the circuit board via wires.

The utility model discloses PU (polyurethane) wheel sliding equipment which comprises a roller skate cover, a roller yoke is arranged at the bottom of the roller skate cover, rollers are rotatably connected to the bottom end of the inner side of the roller yoke, a connecting assembly is arranged between the roller skate cover and the roller yoke, and the connecting assembly comprises a mounting block fixed to the bottom end of the roller skate cover. A concentric-square-shaped frame is fixedly connected to the outer side of the bottom end of the mounting block, a concentric-square-shaped groove matched with the concentric-square-shaped frame is formed in the top end of the pulley yoke, a positioning column is further arranged at the top end of the pulley yoke, and a positioning groove matched with the positioning column is formed in the bottom end of the mounting block; by designing the roller skate cover, the pulley yoke, the rollers and the connecting assembly, the roller skate is firmer after the roller skate cover is connected with the pulley yoke and is more durable compared with a traditional screw connection mode, the roller skate cover is not prone to disengagement after being connected with the pulley yoke, the overall firmness of the roller skate is improved, and the roller skate is compact in structure and convenient to use. The popularization is worthy.

The invention relates to a roller skate with an adjustable heel. The roller skate is characterized by comprising a shoe shell, a support, a fixing piece, an eccentric shaft structure, a spring and a pulley block. The support is arranged at the bottom of the shoe shell, and two strip-shaped holes are formed in the heel fixing protruding edge. The fixing piece is arranged on the front end part of the bracket, and the shoe heel fixing convex edge is arranged on the fixing piece; the eccentric shaft structure comprises a roller shaft and an eccentric block, the eccentric block is arranged on the roller shaft, the roller shaft is arranged at the rear end of the support, the two ends of the roller shaft are located in the corresponding strip-shaped holes respectively, and the eccentric block abuts against the bottom of the shoe shell; one end of the spring is arranged at the bottom of the heel of the shoe shell, and the other end of the spring is arranged on the roller shaft; and the pulley block is arranged at the bottom of the bracket. The roller skate has the advantages that in the roller skating process, the angle of the roller skate can be automatically adjusted according to the posture of a roller skating person, the roller skate better adapts to the standing angle of the roller skating person, the roller skate is more comfortable to wear, and the roller skate is helpful for balance, sliding efficiency and safety.

1. Name of the designed product: Roller skate. 2. Use of the designed product: for wearing in the sport of roller skating. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

The utility model relates to the technical field of fire extinguishing devices, and discloses a special steering pulley block for a kitchen fire extinguishing device, which comprises a mounting plate, and a mounting frame is mounted on one side of the mounting plate. The special steering pulley block for the kitchen equipment fire extinguishing device is provided with a mounting block, a connecting groove, a connecting block, a positioning groove, a positioning rod, a lifting plate and a screw rod, the mounting block is arranged on the wall of a kitchen, the connecting block on one side of the mounting plate extends into the connecting groove to be mounted with the mounting block, and the lifting plate can be lifted by rotating the screw rod with hands; as the screwing directions of threads on the two sides of the screw rod are opposite, the screw rod drives the two lifting plates to relatively ascend and descend, the two lifting plates drive the positioning rods to stretch into the positioning grooves to limit and fix the connecting blocks, the whole roller skating set can be mounted and dismounted only through reverse operation, and the effect of quickly mounting and dismounting the roller skating set is achieved; tools are not needed for operation, so that the practicability is improved.

The invention provides an intelligent roller skating training machine with a timed reminding function, relates to the technical field of physical training instruments, and aims to solve the problems that the body cannot keep up with brain command due to the fact that the body cannot fully master body balance, and a beginner cannot master the training time of the beginner easily and is prone to excessive injury. The problems that the existing timing devices are mostly timing tables and only have sound and visual warning effects, so that the timing reminding effect is difficult to be directly transmitted to trainees, and the reminding effect is poor are solved. A portal-shaped supporting and protecting frame is fixedly mounted at the upper end of the running machine frame, and bottom supporting frames of the supporting and protecting frame are arranged on the left side and the right side of the running machine frame respectively; a protection frame is fixedly installed above the rear portion of the middle of a bottom frame of the supporting protection frame. According to the invention, the effect of timed intelligent reminding is realized, reminding of time and reminding of specific actions are realized, and thus the execution effect of timed reminding is improved.

1. Name of the product in this design: Box (for roller skates). 2. Purpose of this design: For storing roller skates, helmets and protective gear. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1. 5. Other situations requiring explanation: Part 1A in the perspective view is a telescopic rod.

The application relates to the technical field of sports equipment, and provides an electric power-assisted roller skate control method and an electric power-assisted roller skate. The application is characterized in that a user selects a working mode independently to adapt to the user's own requirements and skill levels; the angle and stress state between two electric power-assisted roller skates are acquired, and the power-assisted condition is judged in combination with the real-time speed of the user, so that a handheld remote controller is removed, and the operation is simpler; when it is determined that power assistance is needed, the power-assisted acceleration is calculated according to the working mode and the real-time speed, the strength control and dynamic adjustment of the power assistance are realized, the process of sliding is more labor-saving and safe, and the power assistance is closer to the traditional roller skating mode; finally, the driving motor of the first electric power-assisted roller skate is controlled to perform stage power assistance according to the power-assisted acceleration, so that continuous endurance is not needed, and the endurance time is improved.

1. Name of the product in this design: Roller skates (Goalkeeper PW-4020S). 2. Purpose of this design: Roller skates for roller skating. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of roller skating, in particular to a roller skate collision flash warning method and system, and the method comprises the steps: obtaining the rule data of a roller skate and a racing track at a target stage, the historical data comprises the rule position information, the rule speed information and the rule posture information, and the target stage is from the starting point to the ending point of the racing track; acquiring real-time position information, real-time speed information and real-time attitude information of the roller skate and the throwing body in the target stage; a certain number of millimeter wave radar devices are installed around the detection space, and the millimeter wave radar devices are used for collecting human body posture data; the angle position relationship between the millimeter wave radar equipment and the human body comprises a front facing relationship and an inclined facing relationship; and obtaining a detection conclusion of human body tumble detection from the plurality of detection results according to the angular position relationship between the millimeter wave radar equipment and the human body. The system has the advantages of being capable of timely informing the participants of deviating from the racing track and timely sending tumbling information, and achieving rapid rescue.

A detachable roller skating structure includes a framework, a locking mechanism, and a tumbler switch. The framework is provided with a receiving cavity, the locking mechanism is disposed in the receiving cavity, the locking mechanism includes two buckles and a driving assembly located between the two buckles, the driving assembly is linked to the tumbler switch on an outer side of the framework, and a limiting lock is disposed on the tumbler switch. According to the present application, the roller skating structure can be more conveniently detached from or mounted onto a sole of a regular shoe, achieving free change between the regular shoe and the roller skate. In addition, the self-locking of the roller skating structure is achieved by the arrangement of the limiting lock, and the use safety of the roller skates is improved.

1. Name of the product in this design: Intelligent Pit Bucket. 2. Purpose of this design: It is used as a track marker in roller skating and other speed racing arenas, integrating a sensing system to detect athletes' slalom movements in real time, to meet the needs of high-intensity training and competition. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.