40results about How to "Easy to clean separately" patented technology

The invention discloses a wall-mounted air conditioner indoor unit and relates to the technical field of air conditioners. On the premise that a draught fan assembly is easy to detach and clean, an air outlet assembly can be cleaned conveniently and independently, and the appearance is not affected. The wall-mounted air conditioner indoor unit comprises a base. An evaporator is fixed to the base. The base is detachably connected with the draught fan assembly. The draught fan assembly is located between the evaporator and the base and can be disassembled from or assembled on one side of the evaporator. The wall-mounted air conditioner indoor unit further comprises a fixed outer cover fixed to the base. A panel is pivoted to the front side of the fixed outer cover. The side, corresponding to the draught fan assembly, of the fixed outer cover is provided with an opening. A movable outer cover is arranged at the opening and pivoted to the fixed outer cover. The position, corresponding to the draught fan assembly, of the movable outer cover is provided with the air outlet assembly. The wall-mounted air conditioner indoor unit is used for air conditioner manufacturing.

The invention discloses a seed germination stirring rod for agricultural production technology research and production, which includes a germination accelerating tube, an installation notch is arranged in the center of the upper end of the germination accelerating tube, a stirring rod main body is installed in the installation notch, and the stirring rod main body One end extending to the outside of the germination tube is connected to the output end of the drive motor, and the drive motor is installed above the support plate, and the side of the support plate away from the drive motor is symmetrically provided with a lift cylinder with respect to the main body of the stirring rod. In the present invention, the shrinkage arrangement of the stirring paddle and the main body of the stirring rod makes the overall volume of the stirring rod smaller and reduces the occupied space, and the main body of the stirring rod can be lifted out of the germination tube and separated from the lifting cylinder through the lifting cylinder and the clamping device, which is convenient The user cleans the stirring rod independently to improve the cleaning efficiency; the stirring paddle is equipped with a heat-conducting metal, and the heater heats it, which increases the speed of seed germination while stirring, and shortens the experimental cycle.

The invention provides a pot cover and a cooking appliance, wherein the pot cover includes an outer pot cover and an inner pot cover; the inner pot cover comprises an upper cover and a lower cover; the upper cover is fastened on the lower cover and is detachably connected to the lower cover, and a cooling passage, in which cooling water can circulate, is formed between the upper cover and the lower cover; a cooling passage seal ring, which is used for sealing the cooling passage, is sandwiched between the upper cover and the lower cover; a water inlet and a water outlet, by which the cooling passage communicates to an external water path, are additionally formed in the inner pot cover; interface seal rings, which communicate with the cooling passage, are formed on the cooling passage seal ring; the interface seal rings are inserted into the water inlet and the water outlet; and a pipe connector, which is inserted into the interface seal ring and forms a sealed passage with the water inlet, and a pipe connector, which is inserted into the interface seal ring and forms a sealed passage with the water outlet, are arranged on the outer pot cover. According to the pot cover and the cooking appliance provided by the invention, rapid and safe uncovering can be achieved; and meanwhile, the inner pot cover and the cooling passage can be independently cleaned, so as to guarantee eating safety.

The invention relates to the technical field of bread fermentation devices, in particular to fermentation equipment for bread processing; the fermentation equipment for bread processing comprises a fermentation chamber, a top cover and a support frame, wherein the top cover is provided with a stirring motor and a stirring shaft; the output end of the stirring motor is connected with the stirring shaft; the stirring shaft is fixedly connected with a stirring rod; the fermentation chamber comprises a jacket, a buffer chamber, an exhaust valve and a pressure gauge. A spiral heating ring is installed in the jacket and connected with a temperature controller; the buffer chamber comprises a feeding hopper, a crank handle and a discharging pipe; the crank handle and the feeding hopper are rotationally sealed; the exhaust valve comprises exhaust holes and limiting pieces; the bottom faces of the limiting pieces are connected with the periphery of the corresponding exhaust holes through a plurality of stand columns, and exhaust pieces are arranged between the stand columns. The exhaust pieces abut against the periphery of the exhaust holes. The rotating stirring rod enables raw material tobe mixed evenly, the pressure intensity in the fermentation chamber is reduced through the pressure gauge, the exhaust pieces block the exhaust holes, the fermentation temperature in the fermentationchamber is adjusted, the bread fermentation speed is increased, and the fermentation efficiency is improved.

The invention belongs to the field of environment protection, and particularly relates to an air purification device. The air purification device comprises a shell and a control panel arranged on the upper portion of the shell. A shielding net layer, a positive electric tungsten wire layer, a negative electric aluminum plate layer, an activated carbon layer and a forward and reserve rotation motor are sequentially arranged in the shell. The forward and reserve rotation motor is provided with fan blades. A button for controlling the forward and reserve rotation motor to rotate forwardly and reversely is arranged on the control panel. The defect that the air purification device in the prior art is poor in cleaning effect, and consequently the purification effect of the device is influenced is overcome; the improved air purification device is provided; and on the premise of not influencing the filter effect, the device is convenient to clean up.

The invention relates to the technical field of mechanical part cleaning, in particular to a mechanical part cleaning device for mechanical design and manufacturing and a cleaning method thereof.The mechanical part cleaning device comprises a barrel, the bottom of the barrel is fixedly connected with two supporting legs, and the two supporting legs are symmetrically placed on the ground; the rotating cylinder is rotationally mounted in the cylinder body; and the rolling cleaning device is mounted in the rotating cylinder. According to the device, through the arrangement of the rolling cleaning device, the mechanical parts in the separation bin are separated from each other through a first arc-shaped pipe and a second arc-shaped pipe, so that the separated mechanical parts are prevented from colliding with each other in the rolling cleaning process, and the mechanical parts are prevented from being collided and damaged in the cleaning process; and meanwhile, the mechanical parts are brushed in the overturning cleaning process, so that the cleanliness of the cleaned mechanical parts is improved.

The invention discloses a vacuum heat insulation basin which comprises a food containing basin comprising a food containing basin edge and a food containing basin body; and the vacuum heat insulationbasin is characterized by also comprising a vacuum basin consisting of a vacuum outer shell and a vacuum inner shell. A vacuum chamber is formed between the vacuum outer shell and vacuum inner shell which are completely sealed; the food containing basin is put in the vacuum basin; a water containing cavity for containing water is formed between the food containing basin body and the vacuum inner shell; more than one group of clip holders with clips are evenly fixed on the side wall and at the bottom of the food containing basin body; and an annular heating body is clipped in each group of clips. More than one inner groove for discharging water or vapor is processed at the bottom of the food containing basin edge. The edge of the food containing basin is larger than that of the vacuum basin. The invention has the advantages that the vacuum heat insulation basin can heat and insulate heat for food within a certain period of time to enable people to eat delicious hot food, has no carbon black, is clean and sanitary, can be washed, moved and carried conveniently, has high utilization ratio, safety, reliability and simple manufacture and assembly, and is a novel field cooker.

The invention discloses a knitted garment with a replaceable neckline. The knitted garment comprises a knitted clothing body and sleeves sewed on the two sides of the knitting clothing body. Arc-shaped hook-loop fastener loop surface bars are sewed at the positions, close to the two sides of the neckline, in the knitted clothing body, the neckline of the knitted clothing body is sleeved with a neckline assembly, the neckline assembly comprises a knitted sleeve, and a bucket-shaped clothes cover is sewed at the bottom end of the knitted sleeve. Arc-shaped hook-loop fastener hook surface bars are sewed on the edges of the outer walls of the two sides of the bucket-shaped clothes cover, the two arc-shaped hook-loop fastener hook surface bars and the two Arc-shaped hook-loop fastener hoop surface bars are pasted respectively, and a shirt detachable collar is sewed at the position, close to the bucket-shaped clothes cover, of the outer wall of the knitted sleeve. According to the knitted garment, the form of the neckline can be changed conveniently, operation is easy, the knitted garment can be used on different occasions conveniently, the needs of different users are met, a neckline assembly can be demounted and mounted conveniently, separate cleaning is convenient, and daily washing and maintenance are convenient.

The invention discloses a portable multifunctional liquid food feeding device for nursing in an intensive care unit, and relates to the technical field of medical care. The problems that an existing liquid food feeding device such as a liquid food pushing assisting device is generally protected by sleeving a silicone protective sleeve on a feeding inlet, when liquid food is injected into the pushing assisting device, the liquid food enters the protective sleeve, because the size of the protective sleeve is small, it is not easy for ordinary appliances to extend into the protective sleeve for cleaning, so that food residues exist in the protective sleeve and the protective sleeve is generally integrally fixed to the pushing assisting device, and it is not easy to disassemble the protectivesleeve and put the protective sleeve in an ultrasonic cleaning machine or other devices for separate cleaning are solved. According to the following scheme, the portable multifunctional liquid food feeding device includes a feeding device body and a silicone protective sleeve, the silicone protective sleeve movably sleeves a soft rubber sleeve. The separation and disassembly of the entire siliconeprotective sleeve from the feeding device body is facilitated through the thread screwing connection design between a connecting block and a connecting cylinder, so that the separated silicone protective sleeve can be separately cleaned.

The invention discloses a special cabinet for radiotherapy body position fixing equipment, which relates to the field of medical equipment, and includes a cabinet body and a cabinet door. The top of the cabinet body is provided with grooves, and the inner wall of the upper end of the cabinet body is provided with symmetrical chute. There is a placing plate, which is slidingly connected with the chute. There are several slotted holes with internal threads on the placing plate. The base of the cabinet, the cylinder is a hollow structure, the side wall and the upper top wall of the cabinet are equipped with ultraviolet lamps, the ultraviolet lamps located on the upper top wall of the cabinet correspond to the cylinder one by one, and the outer wall of the cabinet is equipped with batteries and control The switch, battery, control switch and ultraviolet lamp form a series circuit. The lower end of the cabinet is equipped with a hollow partition, and the bottom of the cabinet is equipped with a moisture absorption device. It can be stored in the cylinder after winding, saving space, reducing the growth of bacteria, and safe to use.

The invention relates to the field of sanitary ware, in particular to a toilet seat cleaning device used for sanitary ware. The device includes a moving device, a transposition device and a lower brush device; the moving device includes a moving steel rail, a conveying chain and conveying motors; the transposition device comprises a sliding board, a pulley, motor, a transposition motor, a transposition plate and a hook; the lower brush device includes a cleaning brush hose, a water feeding hose, a hanging ring and a cleaning brush side ends; each cleaning brush side end includes side brush columns, connection heads, side brush heads and water pipes. The toilet seat cleaning device can automatically clean the inner wall of a toilet seat, no manual operation is needed, and water can be automatically and selectively supplied, so that the inner wall of the toilet seat is flushed and meanwhile brushed and cleaned, and the brushing and cleaning effect is good; when the inner wall of the toilet seat is relatively clean, dry brushing can be adopted, therefore, water resources are saved, and when stubborn stains are formed in the toilet seat, high-pressure water washing can be adopted.

The invention provides a fermented pastry blank preparation device, and belongs to the technical field of food processing equipment. The technical scheme is as follows: the fermented pastry blank preparation device comprises a top cover, a stirring chamber, a connecting valve, a stirring chamber, a feeding unit, a stirring unit, a turning and mixing unit and a control unit; the center line of thetop cover, the center line of the stirring chamber, the center line of the connecting valve and the center line of the stirring chamber are collinear, the top cover, the stirring chamber, the connecting valve and the stirring chamber are sequentially connected from top to bottom, the feeding unit is communicated with an inner cavity of the stirring chamber, the stirring unit and the turning and mixing unit are arranged on the top cover, and the control unit is arranged on the top cover and controls the stirring unit and the turning and mixing unit. The fermented pastry blank preparation devicehas the beneficial effects of being good in finished product quality and taste, convenient to clean, small in size, reasonable in design and capable of meeting household requirements.

The invention discloses a device used in biopharmaceuticals, comprising: a reaction tank for decocting materials, comprising a tank body and a support connected with the tank body; a heating part arranged on the tank body and used for heating materials in the tank body; The first filter member and the second filter member are detachably connected with each other through a connecting structure, andthe first filter member and the second filter member are sleeved on the first filter member. The invention is provided with a first filter member and a second filter member, wherein when the drivingmember rotates, the medicine residue located in the first filter member is subjected to centrifugal force to throw out the medicine liquid, thereby increasing the extraction amount of the medicine liquid and avoiding the waste of the medicine liquid; As that medicine is not extrude by an external force, the medicine is not broken, the medicine residue is prevented from fall into the medicine liquid, and the whole equipment is prevented from being damaged.

The invention relates to the field of metal corrosion, and particularly provides a device and a method for measuring hydrogen permeability of a metal material. The device is provided with an A-type clamp, a hydrogen charging chamber anode electrolytic tank, a B-type clamp, a proton exchange membrane, a B-type clamp, a hydrogen charging chamber cathode electrolytic tank, a B-type clamp, a metal sample, a B-type clamp, a hydrogen measuring chamber electrolytic tank and an A-type clamp from left to right, and the joints are sealed by butyl rubber sealing rings and fixed by fixing devices. The device disclosed by the invention is good in sealing performance, can meet the survival condition of obligate anaerobic microorganisms, prevents other microorganisms in the environment from polluting a to-be-detected medium, and is particularly suitable for researching the hydrogen permeation behavior of the metal material in a hydrogen-consuming microorganism-containing medium.

The invention belongs to the technical field of clothes drying, and aims to solve the problem that the use experience of a user is affected due to poor thread scrap filtering and collecting modes of existing clothes drying equipment. The invention provides clothes drying equipment. The clothes drying equipment comprises a box assembly, a clothes drying cylinder and a filtering device, wherein the box assembly comprises a front panel and a front supporting mechanism; the front panel is provided with a clothes inlet communicating with the interior of the clothes drying cylinder; the filtering device comprises an annular filtering component, a thread scrap cleaning component and a thread scrap collecting component; the annular filtering component is arranged between the front supporting mechanism and the clothes drying cylinder; the thread scrap cleaning component and the thread scrap collecting component are both arranged on the front supporting mechanism; the annular filtering component can rotate along with the clothes drying cylinder; and in the rotation process of the annular filtering component, the thread scrap cleaning component can clean thread scraps on the annular filtering component, and the thread scrap collecting component can collect the cleaned thread scraps. According to the invention, the thread scrap filtering effect of the clothes drying equipment can be improved, and the user can use the clothes drying equipment conveniently.

The invention relates to the field of sanitary ware, in particular to a toilet seat cleaning device used for sanitary ware. The device includes a moving device, a transposition device and a lower brush device; the moving device includes a moving steel rail, a conveying chain and conveying motors; the transposition device comprises a sliding board, a pulley, motor, a transposition motor, a transposition plate and a hook; the lower brush device includes a cleaning brush hose, a water feeding hose, a hanging ring and a cleaning brush side ends; each cleaning brush side end includes side brush columns, connection heads, side brush heads and water pipes. The toilet seat cleaning device can automatically clean the inner wall of a toilet seat, no manual operation is needed, and water can be automatically and selectively supplied, so that the inner wall of the toilet seat is flushed and meanwhile brushed and cleaned, and the brushing and cleaning effect is good; when the inner wall of the toilet seat is relatively clean, dry brushing can be adopted, therefore, water resources are saved, and when stubborn stains are formed in the toilet seat, high-pressure water washing can be adopted.

The invention discloses a biopharmaceutical device, comprising a reaction tank used for decocting materials, including a tank body and a bracket connected with the tank body; a heating component arranged on the tank body and used for heating the tank body The material in the body; the liquid removal component is used to dry the liquid medicine in the material, including a first filter element and a second filter element sleeved on the first filter element. The first filter element and the second filter element The filter element is detachably connected through a connecting structure. The present invention does not cause damage to the medicinal materials during the stirring process, reduces the amount of fine medicinal residues, and improves the purity of the medicinal liquid; and the filter screen can filter the air to prevent impurities in the air from entering the tank with the air , to ensure the purity of the liquid medicine in the tank and the quality of the liquid medicine.

The application discloses a cleaning and drying device for ophthalmic medical tools, which includes an outer housing assembly and an inner housing assembly; the inner housing assembly includes an inner housing main body, a top cover, a placement platform, a rubber membrane assembly, and an inflation and deflation assembly; The nozzle and shifting manipulator are positioned on the inner wall of the outer shell assembly; the main body of the inner shell is a box structure, including a top port and two side ports, which can be rotatably positioned on the outer shell assembly under the drive of the inner shell rotating drive assembly. Inside, the top cover is the cover body of the top opening; the surface of the main body of the inner casing opposite to the top cover is the bottom surface; the main body of the rubber membrane component is an elastic membrane made of rubber, and the elastic membrane is covered on the placement platform, and the number is two. They are respectively positioned on the top cover and the bottom surface to form two closed spaces, which are used to cooperate with the inflation and deflation components to change the volume of the closed space and then move the medical equipment; to realize that the cleaning equipment can cause less damage to the medical equipment during the cleaning process of ophthalmic tools The technical effect is simple and convenient to use under the premise.

The invention discloses a decoction device for biomedicine, which comprises a reaction tank for decocting materials, including a tank body and a bracket connected with the tank body; a heating part is arranged on the tank body and is used for heating The material in the tank; the discharge part is connected with the tank and is used to discharge the liquid medicine, including a discharge pipe, a valve arranged on the discharge pipe, and a valve provided on the discharge pipe. The cooling chamber, the liquid inlet pipe and the liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are all in communication with the cooling chamber. The present invention can facilitate the discharge of the material from the discharge pipe by setting the discharge part, and the cooling liquid can be passed into the cooling chamber during the process, so that the liquid medicine can be quickly cooled when the liquid medicine is discharged, thereby reducing the temperature The short time allows for quick drinking.

The invention belongs to the technical field of daily supplies, and discloses a multipurpose folding spoon kit. The spoon kit comprises a spoon, a base and a water cup body made of non-metal materials. The spoon comprises a spoon body part and a spoon handle part; one side of the spoon body part is connected with a sliding strip in a sliding mode in the linear direction of the spoon handle part. The spoon body part comprises a spoon body and a connecting handle; a heating part is formed at the lower end of the spoon body; when the sliding strip slides to the lowermost end, the heating part isattached to the inner bottom face of the water cup. An excitation coil for heating the heating part is mounted on the inner top surface of the base; a controller is further mounted in the base; and the excitation coil is electrically connected with the controller. Through the mutual cooperation of the spoon and the base, the manual stirring is not needed when the spoon is used for stirring, and water in the water cup can be heated through the spoon body part or a battery of the energy storage part can be charged through the spoon handle part.

The invention relates to the field of water quality analysis, in particular to a filtering mechanism of a water quality analyzer, which comprises a water pumping pipe, a water collecting device and a filtering device, the water collecting device is arranged on the water pumping pipe, the filtering device is arranged at the bottom of the water pumping pipe, and a first bearing plate and a second bearing plate are respectively fixed on two sides of the top of the water pumping pipe; a small water pump is fixed to the first bearing plate, a storage battery is fixed to the second bearing plate, and a controller is fixed to the bottom of the first bearing plate. According to the filtering mechanism of the water quality analyzer, sewage can be conveniently divided into different components to be discharged, a plurality of water samples with different components can be conveniently extracted at a time, the water quality can be conveniently analyzed in detail, a detachable structure is adopted, the filtering pieces can be conveniently and separately cleaned, cleaning is extremely convenient, impurities in water can be thoroughly filtered out, blockage is avoided, and the filtering mechanism is suitable for popularization and application. Meanwhile, the water quality purity can be ensured.

The invention discloses a cleaning and drying device for ophthalmic medical tools. The cleaning and drying device comprises an outer shell assembly and an inner shell assembly. The inner shell assembly comprises an inner shell main body, a top cover, a placement platform, a rubber membrane assembly and an inflation and deflation assembly; a spray head and a shifting manipulator are positioned on the inner wall of the outer shell assembly; the main body of the inner shell is of a box body structure, comprises a top opening and two side openings, and can be rotationally positioned in the outer shell assembly under the driving of the inner shell rotation driving assembly, and the top cover is a cover body of the top opening; the surface, opposite to the top cover, of the inner shell main body is a bottom surface; main bodies of the rubber membrane assemblies are elastic membranes made of rubber materials, the two elastic membranes cover the containing platform and are located on the top cover and the bottom face respectively to form two closed spaces, and the two elastic membranes are used for being matched with the inflation and deflation assemblies to change the sizes of the closed spaces so as to move the medical instruments; the technical effect that the cleaning equipment is simple and convenient to use on the premise that damage to medical instruments is small in the ophthalmology tool cleaning process is achieved.

The invention relates to a respiratory training device, in particular to a pediatric respiratory training device. The invention provides a pediatric respiratory training device capable of filtering water vapor and adjusting gas flow rate. A pediatric respiratory training device comprises an outer frame, a first baffle, a first air guide pipe, a second air guide pipe, a fourth fixing plate, a second baffle and the like. Fourth fixing plates are arranged on the left side and the right side in the outer frame, second baffles are slidably arranged in the two fourth fixing plates, a first baffle is placed on the left side of the outer frame, a round hole is formed in the middle of the first baffle, a first air guide pipe penetrating through the round hole of the first baffle is arranged on the left side in the outer frame, and a second air guide pipe is arranged in the middle in the outer frame; the left second baffle is located between the first gas-guide tube and the second gas-guide tube. People rotate the rotating rod, the rotating rod drives the circular baffle to rotate, then the circular baffle limits flow of gas flowing in the first gas guide pipe, the flow speed of the gas in the first gas guide pipe is conveniently adjusted, and the respiratory training intensity of children is enhanced.

The invention discloses a piezoelectric precision spraying device. A driving main body comprises piezoelectric ceramic and a lever amplifying mechanism which are connected with each other; the lever amplifying mechanism amplifies micro-displacement generated by stretching and retracting of the piezoelectric ceramic under the action of an electric field to a specified stroke. The driving main bodyalso comprises a flow channel carrier, and a cavity seat is arranged in the flow channel carrier; a liquid cavity and an air cavity are formed in the cavity seat, and the liquid cavity and the air cavity are respectively communicated with a liquid flow channel and an air flow channel which are formed in the flow channel carrier; the lever amplifying mechanism is connected with a push rod, the pushrod extends into the liquid cavity, and the bottom of the liquid cavity is communicated with a nozzle. The aim of the invention is to provide the piezoelectric precision spraying device which is simple in structure, low in use cost, low in installation and adjustment difficulty and high in spraying precision.

The invention discloses a vacuum heat insulation basin which comprises a food containing basin comprising a food containing basin edge and a food containing basin body; and the vacuum heat insulation basin is characterized by also comprising a vacuum basin consisting of a vacuum outer shell and a vacuum inner shell. A vacuum chamber is formed between the vacuum outer shell and vacuum inner shell which are completely sealed; the food containing basin is put in the vacuum basin; a water containing cavity for containing water is formed between the food containing basin body and the vacuum inner shell; more than one group of clip holders with clips are evenly fixed on the side wall and at the bottom of the food containing basin body; and an annular heating body is clipped in each group of clips. More than one inner groove for discharging water or vapor is processed at the bottom of the food containing basin edge. The edge of the food containing basin is larger than that of the vacuum basin. The invention has the advantages that the vacuum heat insulation basin can heat and insulate heat for food within a certain period of time to enable people to eat delicious hot food, has no carbon black, is clean and sanitary, can be washed, moved and carried conveniently, has high utilization ratio, safety, reliability and simple manufacture and assembly, and is a novel field cooker.

The invention involves a detachable powerplug connector and plug seat connection of an electric griddle. A thermostat is in a plug control box, to which external power input connector is connected. A temperature control knob is fixed on the plug control box, and a socket with plug through-hole is installed at the front end of the plug control box. A heat transfer inserting hole is in the thermostat and received a heat transfer rod extending from the pan body between the plugs in a flexible way, and the end will get in touch with the thermostat, which enables the pan body to transfer heat directly to the thermostat in the plug control box via the heat transfer rod. The plug control box is equipped with an independent adjustable temperature control knob connected to the thermostat, which will facilitate temperature adjustment for the users.

The invention discloses a stamping part conveying device for special steel casting. The device comprises a main seat and a transmission seat; ventilation screens are arranged on the outer walls of theleft and right ends of the main seat; sliding chute blocks are mounted at the left and right ends of the ventilation screens; the sliding chute blocks are movably connected with the ventilation screens; the sliding chute blocks are welded with the main seat; a motor is fixed in the main seat; a movable rod is arranged at the upper end of the motor; the movable rod is fixedly connected with the motor; and a conveying seat is connected with the rear end of the main seat. According to the stamping part conveying device for special steel casting, a side plate and a cushion layer are arranged, theside plate is arranged on a conveyer belt, and the side plate is C-shaped, so that when stamping parts are conveyed by the conveyer belt, the side plate can block the stamping parts and prevent the stamping parts from sliding off; and the cushion layer is arranged on the inner wall, and the cushion layer is made of rubber and the like and has the characteristic of being soft, so that the stampingparts can be prevented from being damaged due to bump and a role in protection is played.