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24results about How to "Switch freely" patented technology

Novel accelerator control device

The utility model discloses a novel accelerator control device. The device comprises a knob mechanism; the first rotating shaft is sleeved on the knob mechanism and is clamped with the knob mechanism; the turntable is arranged on the side wall of the lower end of the first rotating shaft; a shading sheet is arranged on the bottom surface of the turntable; the circuit board is arranged below the turntable, and the lower end of the knob mechanism penetrates through the circuit board, is movably connected with the circuit board and does fixed-axis rotation movement relative to the circuit board; the photoelectric coded disc is arranged on the top surface of the circuit board, is opposite to the anti-dazzling screen and is used for being matched with the anti-dazzling screen to output an electronic signal; and the potentiometer is arranged on the bottom surface of the circuit board, abuts against the lower end of the knob mechanism, rotates synchronously with the knob mechanism and is used for outputting an electronic signal. According to the novel accelerator control device, dual protection can be conducted on the control signal, the accurate and stable accelerator control signal is output, wrong signal output can be effectively avoided, and the working efficiency and the safety coefficient of a vehicle are improved.
Owner:HUNAN GUANGGUANG ELECTROMECHANICAL CO LTD

All-condition equivalent testing device for capacitor for direct-current power transmission

The invention, which belongs to the technical field of high-voltage direct-current power transmission, discloses an all-condition equivalent test device for a capacitor for direct-current power transmission, comprising an alternating-current voltage test module and a direct-current voltage test module. After the alternating-current voltage test module and the direct-current voltage test module are connected in parallel, one end is connected with a capacitor to be tested, and the other end is grounded; the alternating-current voltage test module is used for outputting alternating-current voltage with adjustable amplitude and frequency; the direct-current voltage test module is used for outputting direct-current voltage with adjustable amplitude and boost rate; the alternating-current voltage test module is used for outputting alternating-current voltage with adjustable amplitude and frequency; the DC voltage test module is used for outputting a DC voltage with an adjustable amplitude and an adjustable boost rate. According to the invention, the problem that the test performance of the DC support capacitor does not accord with the practical application of engineering because the existing test device can only output single DC voltage or AC voltage is solved, and effective assessment of the full-working-condition stress of the capacitor is realized by inputting different working-condition voltage stress waveforms.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Auxiliary transportation robot rail gradient switching device and method

The invention belongs to the technical field of monorail crane equipment, and particularly relates to an auxiliary transport robot rail gradient switching device and method.The auxiliary transport robot rail gradient switching device comprises two fixed rails arranged at different heights, and a transition rail switching mechanism is arranged between the two fixed rails; the transition rail switching mechanism is used for connecting transition rails with different gradients between two fixed rails and comprises a first connecting disc and a second connecting disc which are oppositely arranged in parallel and coaxially connected through a transmission shaft, and the multiple transition rails with different gradients are evenly arranged between the two connecting discs in the circumferential direction of the connecting discs; the lifting unit is used for driving the first connecting disc, the second connecting disc and the transition rails with the different gradients to move up and down together, and the first driving unit can drive the first connecting disc and the second connecting disc to rotate synchronously so as to change the transition rails with the different gradients. The problem that in the prior art, due to site limitation, a plurality of different slopes cannot be freely switched is solved.
Owner:CHINA UNIV OF MINING & TECH +1

Dual-drive rotary detonation engine integrated with fuel cell

The invention provides a dual-drive type rotary detonation engine integrated with a fuel cell, and belongs to the field of aircraft propulsion systems. Electric energy is generated through electrochemical reaction in the high-temperature proton membrane fuel cell system, the fan is directly connected with the motor to drive the fan to work under the condition that the clutch is disconnected, the gas compressor is directly connected with the motor to drive the gas compressor to work, tail gas or incompletely-reacted gas can also drive the turbine to rotate, and under the condition that the clutch is closed, the turbine is driven to rotate. The two driving modes complement each other, and the problem that the thermodynamic performance and the propelling performance of an airplane are poorer in matching is solved. Structurally, the turbine engine and the motor are tightly coupled, so that the energy utilization efficiency and the effective load of the aircraft are increased.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Production equipment for continuously producing and sintering archaized building materials and red bricks

The utility model discloses production equipment for continuously producing and sintering archaized building materials and red bricks, which relates to the technical field of kilns and comprises a kiln car, green bricks are placed on the upper surface of the kiln car, a cover is covered on the peripheral surface of the green bricks, and an opening at the lower end of the cover is abutted against the upper surface of the kiln car; a lifting lug is fixedly mounted on the upper surface of the cover; a hoisting assembly is installed on the upper surface of the kiln car in a crossing mode along the kiln outlet path, and the hoisting assembly is connected with the lifting lugs. According to the production equipment for continuously producing and sintering the archaized building materials and the red bricks, the cover is installed on the kiln car in a sealed mode to cover the green bricks, water and air are not needed to be added or combustible powder is not needed to be added for oxygen isolation, air suction and air exchange are not needed, only the cover needs to be closed and covered, the process is simpler, the production cost is calculated according to standard bricks, the cost is only 0.2 yuan to 0.4 yuan, and the production efficiency is greatly improved. The cost is effectively reduced, continuous production can be achieved, the yield can be increased, and free switching can be achieved through mixed firing with red bricks at intervals according to market requirements.
Owner:GANZHOU WENZHEN TECHNOLOGY SERVICE CO LTD

Multistage deduction interaction data processing method and system based on intelligent game

The invention discloses a multi-level deduction interaction data processing method and system based on intelligent game. The system comprises a user development component used for configuring basic parameters of the system, controlling the game process and providing a visual operation interface; the third-party environment access component is used for providing an information interface for accessing a third-party environment; the agent service component is used for packaging agent game information and storing the agent game information to the database component; the multi-stage deduction assembly comprises an upper-stage deduction action set, a middle-stage deduction action set and a lower-stage deduction action set to complete multi-stage deduction. Components are clear, modularized labor division is achieved, implementation is convenient, switching can be conducted under the single-agent and multi-agent conditions, resource waste is reduced, intelligent gaming can be conducted in a targeted mode through three strategies, free switching is conducted under the same and different environment conditions, the analysis efficiency is improved, and the intelligent gaming capacity and efficiency are higher than those of an existing model.
Owner:NANJING TONGFANG BEIDOU TECH CO LTD +1

Lifting table control system having imperceptible smart adjustment, and imperceptible smart adjustment control method for lifting table

ActiveEP4368063A4relieves health problemsFully functionalFurniture partsElectric programme control
Disclosed are a lifting desk control system with an imperceptible intelligent adjustment function and a control method for imperceptible intelligent adjustment of the lifting desk. The system includes an imperceptible control system module configured to control lifting of the lifting desk in an imperceptible mode, a switching module electrically connected with the imperceptible control system module, a motor module configured to drive the lifting desk to do a lifting action, a motor drive module electrically connected between the imperceptible control system module and the motor module, a desktop, a transmission module configured to be mechanically connected with the motor module and the desktop, and a power module configured to supply power. The power module is respectively electrically connected with the switching module, the imperceptible control system module and the motor drive module. The method is applied to the imperceptible control system module, which can achieve imperceptible control over the lifting desk. By means of the present disclosure, movement of relevant joints of the human body is not affected while user's study and work are not easily disturbed, thereby relieving health problems caused when the user uses the lifting desk for a long time.
Owner:UE FURNITURE CO LTD

An adaptive forging control system and method for a four-hammer radial forging hydraulic press

ActiveCN111906228Bswitch freelyGuaranteed accuracyForging press drives
The present invention provides an adaptive forging control system and method for a four-hammer radial forging hydraulic press, including a PLC control system, an HMI human-machine interface, a logic motion controller, a displacement sensor and a laser thermometer, wherein the displacement sensor is arranged on the hammer forging unit, the laser thermometer is fixedly arranged above the frame, the hammer forging units are four, the hammer forging unit includes a hammer and a master cylinder, the master cylinder is connected to the oil supply port of the hydraulic pump station through a pipeline, and a servo proportional valve and a pressure sensor are arranged on the pipeline; the HMI human-machine interface, the logic motion controller, the pressure sensor and the laser thermometer are all connected to the PLC control system by electrical signals, and the servo proportional valve and the displacement sensor are all connected to the logic motion controller by electrical signals. The PLC control system is used to freely combine the hammer forging units according to the model parameters of the workpiece product, so as to realize free switching between round shaft workpieces and heterosexual workpieces in batch forging.
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO

Hybrid power distribution system, method and vehicle for a vehicle

This application discloses a hybrid power distribution system, method, and vehicle for a vehicle, including a control module and connected to the control module: a power module for supplying power to a high-voltage load, a low-voltage load, and a battery module; a battery module formed by connecting a first battery unit and a second battery unit in series, wherein the battery module outputs a high-voltage signal to supply power to the high-voltage load, and the second battery unit outputs a low-voltage signal to supply power to the low-voltage load under normal or emergency operating conditions; and an auxiliary converter module connected to the power module and the battery module for performing the following: drawing power from the power module to supply power to the entire battery module; drawing power from the power module to supply power to the second battery unit individually; drawing power from the power module to provide auxiliary power to the low-voltage load; and converting the high-voltage signal output by the battery module into a low-voltage signal to provide auxiliary power to the low-voltage load.
Owner:BYD CO LTD

Anti-interference tail accessory with adjustable wire clamping angle

The utility model discloses an anti-interference tail accessory with an adjustable wire clamping angle, which comprises a straight pipe assembly and a connecting ring, a toothed ring is arranged between the straight pipe assembly and the connecting ring, the straight pipe assembly comprises a connecting part, the connecting part is provided with a plurality of positioning holes and mounting holes, the connecting part is used for connecting a handle, and the handle is connected with the toothed ring. A positioning column corresponding to the positioning hole is arranged at one end of the handle, the relative included angle between the handle and the connecting part is adjusted through cooperation of the positioning column and the positioning hole, and the other end of the handle is used for being connected with the wire clamp assembly. According to the scheme, by adjusting the positions of the left handle and the right handle, switching of the wire clamping angle of the whole tail accessory can be achieved, the tail accessory can adapt to different installation spaces of client equipment, PEEK materials are adopted, the weight of a product is reduced, the performance of the product is enhanced, the rotation stopping function and the shielding function of the tail accessory are achieved through the two metal parts of the fixing piece and the toothed ring, and the service life of the tail accessory is prolonged. And the anti-interference effect is good, and the overall effect is good.
Owner:SICHUAN YONGGUI SCI & TECH CO LTD

Supporting base for advertisement signboard

The utility model provides a support base for an advertisement signboard, which comprises a support base, transmission shafts, a retraction mechanism and universal wheels, the two transmission shafts are rotatably mounted in the support base, and a driving handle is fixedly mounted at one end of one of the transmission shafts; the folding and unfolding mechanism is mounted on the supporting base and the transmission shaft, and the four universal wheels are fixedly mounted on the folding and unfolding mechanism; according to the folding and unfolding mechanism, the cam and the worm and gear mechanism are ingeniously combined, and flexible folding and unfolding of the universal wheel of the advertisement signboard are achieved. During moving, the universal wheels extend out freely, and moving is convenient; and in a stable state, the folding and unfolding mechanism is operated to fold the universal wheels, so that the base is in close contact with the ground, and the stability is greatly enhanced. By means of the design, the stability in the stable mode is guaranteed, excellent mobility is reserved, a user can easily switch the moving mode and the stable mode, and the practicability and convenience of the advertisement signboard are improved.
Owner:CHENGDU MIAOSI CULTURAL COMMUNICATION CO LTD

Single objective lens light sheet microscopic imaging system

The invention belongs to the technical field of optical microscopic imaging, and particularly relates to a single objective lens light sheet microscopic imaging system, which comprises an exciting light modulation light path, a fluorescence detection light path and a microscopic imaging system, and is characterized in that the exciting light modulation light path is used for generating an illumination light sheet to excite fluorescence, and specifically comprises a laser, a beam expanding collimating lens group, a modulator, a scanning system and the like. The microscopic imaging system is used for transmitting an illumination light sheet and collecting light emitted by a sample, and comprises a dichroscope, a galvanometer module, an image rotating system, a tubular lens, an objective lens and the like. And the fluorescence detection light path comprises a relay lens group, a modulation element, a band-pass optical filter, a camera and the like. According to the invention, tasks of light sheet illumination and fluorescence collection in a traditional double-objective light sheet microscope are completed through a single objective, a remote focusing system or a micro-mirror reflection structure commonly used in an existing single-objective light sheet microscope does not need to be used, and a light sheet orthogonal to a focal plane is adopted for illumination. Compared with the existing light sheet microscope technology, the method has higher usability and flexibility, allows free switching of objective lenses under the condition of not changing other light paths, is compatible with any objective lens and various samples, does not need any software processing including deskewing in the principle of an obtained image, can directly display and use an original image, and is high in practicability. The system has higher resolution and is close to ideal isotropic imaging when various objective lenses are used for imaging.
Owner:费小贲

A freely switchable multi-color high-speed printing machine and use method thereof

ActiveCN114434952Bswitch freelyEasy for printing workRotary pressesPrinting press partsPrinting inkPrinting press
The present invention discloses a freely switchable multi-color high-speed printing machine, including a machine body, a printing roller and an ink storage box are arranged on the machine body, the edges of the first ink storage box, the second ink storage box and the third ink storage box are all provided with arc holes, a slider is movably connected inside the arc hole, an electric push rod is pinned to the outside of the slider, the base end of the electric push rod is pinned to the outside of the ink storage box, and the ink distribution roller is rotatably installed on the inner side of the slider through a bearing. Multiple groups of ink storage boxes are arranged on the machine body for storing inks of different colors. According to the actual needs of printing, the electric push rod on the corresponding ink storage box is turned on to drive the slider to move inside the arc hole, so that the ink distribution roller contacts the printing roller, so that the ink coating roller, the ink distribution roller and the printing roller are successively tangent, and the ink distribution roller applies the ink on the surface of the printing roller for printing, and the color of the printing ink can be switched freely at any time, making the printing work more convenient.
Owner:KUNSHAN TOP BEST ELECTRONICS MATERIAL CO LTD

A building-integrated BIPV photovoltaic structure

ActiveCN117691926Bswitch freelyPhotovoltaic supportsClimate change adaptation
The present invention discloses a building-integrated photovoltaic structure, comprising a plurality of strip photovoltaic panels distributed in parallel arrays, wherein the ends of each strip photovoltaic panel are fixedly connected to a building body through a structural member; each strip photovoltaic panel is sleeved with a light-transmitting tube along its length direction, and sunlight can be irradiated onto each strip photovoltaic panel through each light-transmitting tube, and light-leaking and air-conducting lanes are formed between two adjacent light-transmitting tubes; and switching between light-transmitting, light-impermeable, air-impermeable and other states can be realized.
Owner:JIANGSU HANGDA PHOTOELECTRIC NEW ENERGY

Adjustable sand gun convenient to hold by hand

The utility model discloses an adjustable sand gun convenient to hold by hand, and relates to the technical field of sand blasting processing, the adjustable sand gun comprises a sand blasting muzzle, a sand blasting gun barrel, an adjusting bolt, a first feeding interface and a fixing piece, the sand blasting muzzle is arranged at the left side of the sand blasting gun barrel, and a control grip is arranged below the sand blasting gun barrel; a high-pressure air inlet connector is arranged below the control grip, an adjusting block is arranged on the right side of the sand blasting gun barrel, a first feeding connector and a second feeding connector are arranged on the right side of the adjusting block, an adjusting bolt is installed on the upper portion of the adjusting block, a first feeding pipe is arranged in the first feeding connector, and a second feeding pipe is arranged in the second feeding connector. According to the equipment, the first feeding connector and the second feeding connector are arranged, the high-pressure air inlet connector is independently separated, the tedious steps of gravel switching can be reduced, the working efficiency is improved, limiting holes are formed in the four directions of the adjusting bolt, the flexibility of the adjusting bolt can be greatly improved, and it is guaranteed that the adjusting bolt can be freely switched at multiple angles.
Owner:XIANGYANG JINGCHU MASCH CO LTD

Preparation method of low-energy-consumption high-privacy anti-mode polymer stable cholesteric liquid crystal intelligent window

The invention discloses a preparation method of a low-energy-consumption and high-privacy anti-mode polymer stable cholesteric liquid crystal intelligent window, and relates to a preparation method of an anti-mode liquid crystal intelligent window. The invention aims to solve the problem that high optical contrast and low-voltage driving of an existing inverse-mode polymer stable cholesteric liquid crystal intelligent window cannot be achieved at the same time. The preparation method comprises: 1, preparing a liquid crystal box; 2, preparing a liquid crystal mixed material; and 3, pouring the liquid crystal mixed material into a liquid crystal box for curing. The preparation method is used for preparing the low-energy-consumption and high-privacy anti-mode polymer stable cholesteric liquid crystal intelligent window.
Owner:HARBIN INST OF TECH +1

A hydraulic system for a makeup pencil

ActiveCN224533161Umaintain a constant temperatureImprove stability
The utility model discloses a kind of hydraulic system special for color cosmetic pencil, comprising: oil tank, motor is fixedly installed on the upper surface of the oil tank, the output end of motor is connected with shaft coupling, shaft coupling is externally sleeved with bell cover, the end portion of shaft coupling is drivingly connected with oil pump, oil pump is constant power pump, air cooler is also fixedly installed on the upper surface of oil tank, air cooler is connected with the inside of oil tank and oil pump by pipeline, oil passage block, oil return filter and oil filler are also installed on the upper surface of oil tank, oil passage block is connected with oil pump and oil return filter respectively by pipeline, first electromagnetic reversing valve is fixedly arranged on the top of oil passage block, pressure relay and throttle valve are installed on the oil passage block, throttle valve is connected with oil cylinder and pressure relay, second electromagnetic reversing valve is installed on the throttle valve.The utility model monitors liquid level and liquid temperature in oil tank in real time and cooperates with air cooler, temperature control is carried out to hydraulic oil, the constant temperature of hydraulic oil is guaranteed, the stability of hydraulic system is improved, and the precise control of pressure is realized.
Owner:SHANGHAI LANGWEI HYDRAULIC CO LTD

A deformable loft bed

ActiveCN224710774Uswitch freelyMeet the needs of life
The utility model relates to a deformable loft bed, including bedstead main part, first bed board and table body subassembly, the first bed board set up in the bedstead main part top, the table body subassembly sets up in the bedstead main part and is located the below of first bed board, the table body subassembly can switch each other between the table body state and the bed state, the table body subassembly includes the table board, the fender of hinged in the inside of table board width direction, when the table body subassembly is the table body state, the fender is perpendicular relative to horizontal table board, when the table body subassembly is the bed state, the fender is flush with horizontal table board, to form second bed board, second bed board is set up in the below of first bed board on the bedstead main part, its beneficial effect is, can realize two kinds of use function's free switching of deformable loft bed under not additional increase space, flexible multi -use, satisfy the daily varied life demand of user.
Owner:CHINA STATE CONSTR HAILONG TECH CO LTD +1

A rubber band launching device

ActiveCN116105545Blose elasticityavoid bullet woundsSpring gunsDrive wheelSingle shot
This invention provides a rubber band launching device, comprising: a gun body and a launching system, a feeding system, and a power system for powering the movement of the entire device, all mounted on the gun body. The launching system is mounted on the gun body via a fixed bracket and includes a main shaft, a fixed wheel, a first rocker arm, a rotating wheel, a rubber band hook, and a second drive wheel. The rotating wheel rotates around the fixed wheel and also rotates on its own axis, thereby driving the rubber band hook to perform a pulling and releasing action. The feeding system uses a belt-fed method; when the second drive wheel rotates one revolution, the feed wheel rotates one tooth pitch, thus actuating the belt to feed bullets one by one. This invention features safe loading, simple operation, and prevents finger injuries when installing rubber bands. It can freely switch between single-shot and fully automatic burst modes, and has a large ammunition capacity, allowing for the continuous firing of a large number of rubber bands, enabling players to fully enjoy the fun of shooting and offering high replayability.
Owner:RENMIN HOSPITAL OF WUHAN UNIVERSITY (HUBEI GENERAL HOSPITAL)

Network-connected vehicle overseas roaming service switching system and method based on cloud network cooperation

The invention discloses a network connection vehicle overseas roaming service switching system and method based on cloud network cooperation. Comprising a vehicle-mounted communication module, a data downloading module, a configuration activation execution module and a cloud management module, the vehicle-mounted communication module is used for positioning and identifying the current area of the vehicle and performing data communication with the cloud management module; the data downloading module is used for downloading required data contents from the cloud management module and an operator based on the current area of the vehicle; the configuration activation execution module is used for selecting and activating downloaded data content and a corresponding configuration parameter set; and the cloud management module is used for setting a vehicle database and performing regional management on data in the database. According to the invention, automatic switching without human intervention in the whole process is realized, manual operation of several hours is shortened to automatic completion of minute level, the efficiency of vehicle exit preparation is greatly improved, the purchase, logistics and replacement costs of physical SIM cards are completely eliminated, and'zero contact 'deployment is realized.
Owner:QIMING INFORMATION TECH

Chip reset circuit, chip and electronic device

The present invention discloses a chip reset circuit, a chip and an electronic device, wherein the chip reset circuit comprises: a first detection unit, which is used to output a first trigger signal when detecting at least one reset signal triggering inside the chip; a first logic circuit; a second logic circuit; and a second detection unit, wherein when multiple chips are cascaded, the first logic circuit is used to output a first trigger signal when receiving a first trigger signal of a chip at the same level; the second logic circuit is used to output a second trigger signal when receiving a first trigger signal output by other chips; and the second detection unit is used to reset the chip at the same level when receiving at least one of the first trigger signal and the second trigger signal. The present invention can realize simultaneous reset of all cascaded chips when any chip in multiple cascaded chips triggers reset, can effectively prevent problems such as system freezing due to untimely synchronization of abnormal events, and has flexible applications.
Owner:CHIPONE TECHNOLOGY (BEIJING) CO LTD

Display device

The utility model provides a display device. The display device comprises a display panel, a first substrate, a second substrate and a visual angle conversion layer. The visual angle conversion layer is arranged between the first substrate and the second substrate, the visual angle conversion layer at least comprises a liquid crystal conversion unit, and when the display device works, the section shape of the liquid crystal conversion unit changes according to the requirements of different display modes. According to the embodiment of the utility model, the visual angle conversion layer is arranged, and the cross section shape of the liquid crystal conversion unit in the visual angle conversion layer can be changed according to requirements, so that the light path is changed through the liquid crystal conversion unit, the display device can be freely switched between a 2D display mode and a 3D display mode, and the performance of the device is improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

Power supply system capable of automatically switching power supply

The utility model discloses a power supply system capable of automatically switching a power supply, which comprises a 220v power supply, a live wire and a null wire are provided with circuit breakers QF1, and a power-off time-delay relay KT1, a power-on time-delay relay KT2 and an alternating current contactor KM1 are sequentially arranged on an access of the 220v power supply; a contact of a power-on time-delay relay KT2 is also arranged on the path of the alternating current contactor KM1 and the live wire; the 380v power supply comprises a live wire A, a live wire B, a live wire C and a zero wire; an output circuit of the 380v power supply is provided with contacts of a circuit breaker QF2 and an alternating current contactor KM2; an alternating current contactor KM2 is arranged between the null line and the live wire A of the 380v power supply; wherein the output zero line of the 380v power supply is connected with the output zero line of the 220v power supply through the contact of the alternating current contactor KM1, and the output live wire A, the output live wire B and the output live wire C of the 380v power supply are connected with the output live wire of the 220v power supply through the contact of the alternating current contactor KM1 in sequence. Therefore, when one power supply breaks down, the other power supply can be automatically put into use, and timely power supply of equipment is ensured.
Owner:LINGBAYI ELECTRONICS GRP SICHUAN HONGLUN MACHINERY

Sole capable of freely switching water drainage and water collection

The utility model provides a sole capable of freely switching water drainage and water collection, which comprises an outsole and a midsole above the outsole, the edges of the two sides of the outsole extend upwards, and a water drainage valve is arranged on the edge of the outsole; a drainage channel is arranged on the upper surface of the insole and communicated to the drainage groove, the bottom of the drainage channel is lower than the upper surface of the insole and higher than the groove bottom of the drainage groove, the drainage groove corresponds to the drainage valve in position, the drainage groove is communicated with the outside through the drainage valve, and water in the shoe cavity is gathered into the drainage groove through the drainage channel. Opening and closing of the hole can be controlled through the drainage valve, so that the shoe has the waterproof function and the drainage function at the same time, and the waterproof function and the drainage function can be switched freely and are convenient to use.
Owner:JIHUA 3515 LEATHER & SHOES