24results about How to "Easy to vent" patented technology

The application discloses a forming die of a rubber guide sleeve with a metal framework and a preparation method thereof. The forming die comprises an upper die, a middle die and a lower die. The upper die comprises an upper disc and a cylinder. The cylinder is provided with a positioning hole. The lower surface of the upper disc is provided with a chamfered upper cavity groove. The lower die comprises a lower disc, a circular table and a positioning boss. The upper surface of the circular table is provided with a chamfered lower cavity groove. The middle die is provided with a cavity hole in the center. When the die is closed, the positioning boss of the lower die is inserted into the positioning hole. The positioning boss is provided with a support ring which is provided with a recess forming pin. The outer wall of the cylinder is provided with a metal framework. The chamfered upper cavity groove, the outer wall of the cylinder, the outer side wall of the support ring, the chamfered lower cavity groove and the inner wall of the cavity hole form a forming cavity. After vulcanization of the product is completed, the forming pin is accurately positioned, the square recess around the inner diameter of the metal framework guide sleeve meets the design requirements, the die opening and the product demolding are smooth, the operation is simple, safe and reliable, and the manufacturing cost is low.

This application discloses a positive pressure connector with a rotatable retaining ring, comprising an inner liner, a three-way outer shell, an elastic capsule, and a rotatable retaining ring. The three-way outer shell includes a connecting outer shell and a connecting side tube connected thereto. The two ends of the connecting outer shell are an installation port and a liquid inlet, respectively. The inner liner includes a connecting post and a stop plate. The stop plate is connected to the outside of the connecting post and to the installation port of the connecting outer shell. One end of the connecting post extends into the connecting outer shell and connects to the elastic capsule. An infusion inner hole is formed along the length of the end of the connecting post away from the elastic capsule. A communicating inner hole is formed along the radial direction on the connecting post. The two ends of the communicating inner hole communicate with the infusion inner hole and the inner cavity of the connecting outer shell, respectively. The rotatable retaining ring includes a rotating tube and a rotating ring plate connected to one end of the rotating tube. The rotatable retaining ring is rotatably connected to the connecting post through the rotating ring plate. This application effectively ensures the sealing and reliability of the positive pressure connector after locking the indwelling needle, and reduces the possibility of connector damage.

The utility model discloses an ostomy bag exhaust structure in the technical field of ostomy bags, which comprises a sealing piece used for connecting the ostomy bag exhaust structure to an ostomy bag, a shell of the ostomy bag exhaust structure is arranged on the sealing piece, and a plurality of exhaust holes are formed in the top of the shell. The ostomy bag solves the problems that an existing ostomy bag is complex in exhaust operation and inconvenient to operate by a user, the ostomy bag can not be sealed tightly due to improper operation after exhaust is completed, excrement or urine is prone to leaking out, and the ostomy bag can not be sealed tightly. And a certain degree of influence is caused on the psychology of the user.

An excitation closer capable of improving closing reliability comprises a shell with a cavity, a first conductor and a second conductor, the first conductor and the second conductor are arranged in the shell in a penetrating mode in an insulated and opposite spaced mode, an excitation source and a piston are arranged in the cavity of the shell, the piston is of a shell-shaped structure with one end open and one end closed, and at least the peripheral face of the piston is made of conductive materials. The open end of the piston faces the driving force release end of the excitation source, and the closed end of the piston is arranged corresponding to the relatively spaced ends of the first conductor and the second conductor; the excitation source can act according to a received trigger signal to release driving force to drive the piston to move towards the first conductor and the second conductor, so that the piston is clamped between the ends, oppositely arranged at intervals, of the first conductor and the second conductor in a plastic deformation mode, and the first conductor and the second conductor are conducted. According to the invention, the reliability of conduction between the first conductor and the second conductor is improved through the plastically deformed piston.

The utility model discloses an exhaust system of an aluminum casting die, which comprises a gas guide tank, the bottom end of the gas guide tank is fixedly connected with supporting legs, the top end of the left side of the gas guide tank is fixedly connected with a gas inlet, the right side of the gas guide tank is fixedly connected with a gas outlet, and a reset structure for an automatic closing device is arranged in the gas guide tank. According to the exhaust system of the cast aluminum mold, the movable plug is arranged, after the exhaust system is connected with an exhaust channel of the cast aluminum mold, air in the mold is guided into the top end of the interior of the air guide tank through the air inlet, the movable plug can be pushed to descend after the air pressure of the top end of the interior of the air guide tank reaches a certain value, and after the movable plug descends, the air outlet communicates with the interior of the air guide tank; and after the air pressure is reduced, the spring quickly jacks the movable plug back to enable the movable plug to be attached to the bottom of the positioning ring, so that the device is automatically closed while the aluminum liquid is prevented from overflowing, and the problem of automatic opening and closing is solved.

The present application relates to a kind of pressing mould for large aperture band inverted cone explosive grain, including bottom punch, the bottom of the bottom punch is provided with ejector rod, the bottom punch is installed at the top end of ejector rod, the outside of the ejector rod is provided with limit sleeve, the top of the limit sleeve is provided with forming die sleeve, the middle part of the forming die sleeve is provided with forming cavity, and the forming cavity is used to press and form the grain workpiece, the inside of the forming cavity is provided with top punch for material pressing, and material is pressed and formed inside forming cavity by top punch and bottom punch, when pressing, the top of top punch is driven by driving force, and the top of the forming die sleeve can be installed with demoulding sleeve;It is difficult to eject for the grain column with conical structure in the prior art by using reverse ejecting mode, it is difficult to assemble due to the large size of the mould, and the grain column is easily damaged by sudden drop and collision with punch.

This utility model discloses a concealed cabinet structure for building air conditioner outdoor units, including an equipment platform set between the exterior wall and the side wall. A concrete pad is provided on the equipment platform for placing and fixing the air conditioner outdoor unit. An arc-shaped air guide duct with a horizontal front end and a downward-curving rear end is fixed at the bottom of the equipment platform corresponding to the position of the air conditioner outdoor unit below. A louvered grille is also installed on the equipment platform at the position of the arc-shaped air guide duct and the front of the air conditioner outdoor unit. The louvered grille includes two symmetrically arranged vertical outer frame plates. This utility model's louvered grille has high structural strength, is firmly installed, and is not easily detached. The horizontally arranged louvers facilitate air outlet for the air conditioner outdoor unit, while the arc-shaped air guide duct facilitates air intake. Furthermore, increasing the distance between the air intake and outlet positions reduces mutual interference, thereby improving the air intake and exhaust effect of the air conditioner outdoor unit, facilitating ventilation and heat dissipation, improving air conditioning performance, and reducing energy consumption.

The utility model relates to transfer conveying device technical field, and disclose a kind of static transfer mechanism for automatic large-batch granules, solve the problem that the existing transfer mechanism is easy to form static electricity, it includes circulation conveying mechanism, three static boxes are provided on the circulation conveying mechanism, loading station A, static station B, unloading station C are provided on the circulation conveying mechanism, static station B is provided with static electricity removal mechanism, intelligent controller is provided on the circulation conveying mechanism, and the circulation conveying mechanism is composed of support frame, motor mounting seat, servo motor, pulley one, pulley two, belt and annular guide rail, and static electricity removal mechanism is composed of four support legs, support box, ion fan, two air cylinders, square frame and flexible air guide cover;Through the transfer mechanism, static electricity removal and static conveying transfer function can be realized.

The utility model discloses a cat food packaging bag capable of being opened repeatedly, which is characterized in that a connecting seat is arranged on the front side of first composite plastic, the lower side of the first composite plastic is fixedly connected with second composite plastic, and the first composite plastic is in front-back symmetry about the vertical central axis of the second composite plastic; and an exhaust mechanism for filtering is arranged on the front side of the first composite plastic. According to the cat food packaging bag capable of being opened repeatedly, the filter screen is in sliding connection with the one-way exhaust valve through the open groove, cat food can be hindered conveniently during exhaust, the one-way exhaust valve is prevented from being blocked by the cat food, the limiting barrel is in sliding connection with the one-way exhaust valve through the connecting column, and therefore the filter screen is limited; the filter screen is prevented from accidentally sliding out of the one-way exhaust valve, and the protective pad is tightly attached to the inner wall of the sliding groove, so that the sliding block is conveniently fixed to the inner side of the sliding groove, the packaging bag is conveniently taken after a rope is wound around the outer side of the connecting ring, and cat food in the packaging bag is prevented from being broken.

The utility model belongs to valve technical field especially relates to a microbubble exhaust valve, the both ends of valve body are connected with the pipe connection, are used for connecting with fluid system, realize the input and output of fluid, the top fixed connection of valve body has the valve cover, the bottom of valve cover is connected with steel brush, the inner wall of valve cover bottom forms the streamlined exhaust passage through the arc block of several circumferences setting, setting streamlined exhaust passage helps air to go up along with the passage vortex, is more favorable to exhaust, the inside of valve cover is provided with exhaust component, when the water flow enters microbubble exhaust valve, water flow passes through steel brush, promotes the bubble release and focuses, the bubble enters streamlined exhaust passage, and rises under the action of vortex, finally discharges through exhaust component.

The invention relates to a battery assembly (11), comprising: a cell group (12, 14) having at least one cell (16) with an openable cell vent (22); a carrier plate (20), which has a first carrier side (20a), a second carrier side (20b), and a passage region (24, 26), which is opposite the openable cell vent opening and is part of a carrier plate vent region (42 '); a protective plate (28, 30) arranged below the carrier plate and facing the second carrier side; and a first exhaust chamber (32) located between the protective plate and the bearing plate. According to the invention, the battery assembly comprises a sealing layer (36, 38), which is arranged on the second support side, covers the venting region and isolates the venting region from the first venting chamber, a second venting chamber (32 ') being formed between the venting region and the sealing layer or being able to be formed in the event of venting, the second exhaust chamber is only temporarily fluidically isolated from the first exhaust chamber in the case of exhaust.

The present application relates to infusion pump technology field, especially infusion device control method, before the user starts to use the device, the self-locking type switch circuit is disconnected, the system is in zero power consumption complete power-off state, when the user starts to use the device, the trigger signal of opening the device is generated, the switch circuit is turned on and self-locked, and the control circuit is powered; thereafter, the system controls the subsequent process by accumulating the number of pulses sent to the drive mechanism: when the pulse number reaches the first preset value, the initialization is completed; when the second preset value is reached, the trigger of the needle assisting mechanism is completed, and the infusion needle is implanted into the human body; finally, according to the user setting infusion instruction starts infusion. The control method ensures the safety of the infusion device through the hardware barrier, realizes the automatic and accurate control of the initialization and needle assisting mechanism by using single pulse counting, and realizes the true zero standby power consumption, which significantly improves the safety, reliability and user experience of the infusion device.

The invention relates to the technical field of batteries, in particular to a battery cell and electric equipment. The battery cell comprises a cover plate and a shell, the cover plate comprises a cover plate body and a first plastic part, the first plastic part is connected with one side of the cover plate body, and the outer edge of the first plastic part is arranged on the inner side of the outer edge of the cover plate body; a liquid injection hole penetrating through the cover plate body is formed in the cover plate body, the first plastic part comprises a liquid outlet groove and a liquid injection groove which are communicated with each other, the liquid injection groove is correspondingly communicated with the liquid injection hole, and a liquid injection flow guide hole penetrating through the liquid injection groove is formed in the first bottom wall of the liquid injection groove; the shell is connected with the outer edge of the cover plate body, an exhaust gap is formed between the shell and the liquid outlet groove, and an exhaust notch communicated with the exhaust gap is formed in the side wall of the liquid outlet groove. According to the battery cell structure, the problem that in an existing battery cell structure, an insulating rubber tape on the surface of a pole group and an electrolyte flow guide hole formed below cover plate lower plastic cement are prone to forming physical interference, then exhaust holes are blocked, and battery cell inflation is caused due to incomplete battery cell exhaust is solved.

The application discloses a pressure swing adsorption oxygen generator and relates to the technical field of oxygen generators. The pressure swing adsorption oxygen generator comprises an oxygen generator body. An air outlet assembly is arranged on the side wall of the oxygen generator body. A second buffer assembly is arranged in the air outlet assembly. A protection assembly is arranged on the end surface of the air outlet assembly on the outer side of the second buffer assembly. A control assembly is arranged on the inner side of the second buffer assembly. A first buffer assembly is arranged on the other end of the second buffer assembly in the air outlet assembly. The first buffer assembly and the second buffer assembly are arranged to weaken the kinetic energy of the gas multiple times, so that the high-quality noise reduction of the gas is realized, and the noise during air outlet is controlled at a low decibel.

The utility model discloses a milk tea cup injection mold capable of preventing generation of bubbles, and belongs to the technical field of milk tea cup production, and the milk tea cup injection mold is characterized by comprising a lower bottom plate, a plurality of lower mold plates are arranged at the top of the lower bottom plate, and electric telescopic rods are arranged at the four corners of the outer walls of the tops of the lower mold plates; a piston rod of the electric telescopic rod is connected with an upper mold plate, an upper top plate is arranged at the top of the upper mold plate, an injection molding hole is formed in the middle of the top of the upper top plate, a flow dividing groove is formed in the upper top plate and is of a cross-shaped structure, and an injection hole is formed in the tail end of the flow dividing groove. An injection hole is formed in the upper mold plate, the injection hole communicates with the upper mold plate, an exhaust channel is formed in the upper top plate, the exhaust channel is of an n-shaped structure, and the exhaust channel is distributed along the edge of the diversion groove. According to the injection mold, air in the mold can be conveniently exhausted, bubbles generated in the injection molding process can be reduced, and the production quality of milk tea cups is improved.

The utility model discloses a pipe drawing auxiliary device for hydraulic engineering covering layer grouting, belongs to the technical field of pipe drawing assistance, and solves the problem that in the prior art, a pressure gauge is directly arranged on a grouting pipe for overall pressure monitoring, grouting states of different stratums cannot be distinguished, and pipe drawing is prone to being discontinuous. The device comprises an exhaust pipe which is movably arranged on a grouting pipe and is used for exhausting gas in each grouting section when grouting is carried out on each grouting section, and a gas sensor which is arranged on the exhaust pipe and is used for sensing whether gas is exhausted from each grouting section, the sealing structure is arranged on an exhaust pipe of the grouting pipe and is matched with a drill hole in a sealing mode to seal a grout outlet of the grouting pipe in each grouting section needing to be grouted, an exhaust hole corresponding to the exhaust pipe in a sealing mode is formed in the sealing structure, and the sealing structure is separated from the drill hole in the initial state. And the sealing structure is hermetically matched with the drill hole under the acting force of the exhaust pipe. The auxiliary pipe pulling device is used for pipe pulling assistance in hydraulic engineering covering layer grouting.

This utility model belongs to the field of rubber oil seal processing technology, and particularly relates to a vulcanization device for rubber oil seal processing. It includes a worktable, a mold adjustment device installed in the middle of the top surface of the worktable, and a mold closing device installed near the right end of the top surface of the worktable. Limiting auxiliary devices are installed on the front and back of the mold closing device near the bottom. The mold closing device includes an exhaust mechanism and a mold closing mechanism, with the mold closing mechanism installed at the top and bottom of the exhaust mechanism. The exhaust mechanism includes an upper mold, with an exhaust pipe installed on the top surface of the upper mold. A memory spring is installed inside the exhaust pipe, and a sealing block is installed at the top of the memory spring. This vulcanization device for rubber oil seal processing, through the mold closing device, allows the memory spring to extend during the heating process of vulcanizing the rubber oil seal, thereby pushing the sealing block to slide away from the exhaust pipe, thus venting the air through the exhaust pipe. The sealing block also effectively prevents dust from entering the mold.

The utility model discloses a kind of exhaust devices of high-pressure steam sterilization pot, it is related to high-pressure steam sterilization equipment technical field, including pot body, pot body top end is connected with pot cover, exhaust port is provided on pot cover, self exhaust component is provided on exhaust port, the side of pot cover is provided with air guide nozzle, air guide nozzle is connected with air guide pipe, one end of air guide pipe is connected with pressure relief solenoid valve, pressure sensor is installed on pot cover, controller is installed on pot body, self exhaust component includes fixed pipe fixed in the top end of exhaust port, the top end of exhaust port is fixed with U-shaped seat, the horizontal section middle part of U-shaped seat is provided with the through hole same with the size of exhaust port. In the utility model, it has self exhaust component and electric pressure relief double system, normal high-pressure gas in pot can lift up upper baffle, exhaust through air groove, pressure relief pipe etc.;If self exhaust fails, pressure sensor detects high pressure, controller will open pressure relief solenoid valve exhaust, avoid pot body explosion, greatly improve use safety.

The application provides a bladeless fan, comprising: a shell provided with an air inlet and an air outlet which are in communication with the inside of the shell; and a fan assembly accommodated in the shell; wherein the air outlet is arranged in the middle region between the front end and the rear end of the shell. By arranging the air outlet in the middle region between the front end and the rear end of the shell, the air outlet direction of the fan assembly is changed, and the air inlet and air outlet of the fan assembly are improved.

Disclosed are a warm-blooded organ transport platform and an exhaust method. The warm-blooded organ transport platform comprises a bearing device and a circulation loop arranged on the bearing device. The circulation loop comprises an organ box, a pipeline assembly having an inlet end and an outlet end, and the inlet end is used for being connected with a donor organ. A connecting piece is arranged on the organ box and has a first terminal located outside the organ box and a second terminal located inside the organ box; the first terminal is used for being connected with the outlet end, and the second terminal is used for being connected with the donor organ. A power device is connected with the pipeline assembly and is used for providing power for the flow of liquid between the circulation loop and the donor organ. An exhaust port is arranged on the first terminal and is located at the highest gravity potential position of the circulation loop.

The utility model discloses a clamp-free multi-lamination type large-size battery. The clamp-free multi-lamination type large-size battery comprises a positive electrode shell, a gasket, a battery roll core, a sealing ring and a negative electrode shell which are sequentially distributed from top to bottom, the positive electrode shell and the negative electrode shell form a shell, and a plurality of pressurizing mechanisms are mounted between the positive electrode shell and the negative electrode shell; the positive electrode shell and the negative electrode shell are close to each other through the pressurizing mechanism to form a containing cavity, and the gasket, the battery roll core and the sealing ring are fixed in the containing cavity. According to the clamp-free multi-lamination type large-size battery provided by the utility model, the anode shell, the gasket, the battery roll core, the sealing ring, the cathode shell and the plurality of pressurizing mechanisms are arranged, the shell made of a metal material is used, and the bent cooling fins are arranged on the anode shell and the cathode shell, so that the cooling speed of the battery can be effectively improved, the protection performance of the battery is improved, and the service life of the battery is prolonged. And the possibility of deformation and damage in the battery is reduced.

This application provides a battery cell, a battery device, and an electrical device. The battery cell includes a housing, an electrode assembly, and a current collector. The housing includes a first wall with a through hole penetrating through the first wall. The electrode assembly is housed within the housing and includes a main body and a first tab. The first tab is located at one end of the main body facing the first wall along a first direction. The current collector includes a current collector body and a first protrusion. The current collector body is connected to the first tab. The first protrusion is located on a first surface of the current collector body facing the first wall. The first protrusion passes through the through hole and is welded to the first wall to form a first solder mark. One end of the through hole extends to the inner surface of the first wall. The inner surface of the first wall is closer to the main body than the first solder mark. This causes a portion of the first wall to be located on the side of the first solder mark facing the electrode assembly, reducing the risk of leakage at or near the first solder mark and improving the reliability of the battery cell.

The utility model discloses a multistage adsorption precipitation type recession nitrogen and phosphorus purification device, which relates to the technical field of nitrogen and phosphorus purification devices, and comprises a precipitation tank, an inclined plate is fixedly connected to the inner wall of the precipitation tank, the inclination angle of the inclined plate is 90 degrees, and a silt pump is connected to one side of the lower part of the precipitation tank and is used for pumping out silt; a water circulation mechanism is arranged on one side of the upper part of the sedimentation tank. According to the utility model, the design structure is reasonable, water below the inclined plate flows to the upper part of the inclined plate through the water circulation mechanism, so that the circulation of the water flow is realized, sludge is gathered under the driving of the water flow, and finally, the sludge is pumped out for treatment through the sludge pumping pump during dredging, so that the purpose of gathering the sludge is achieved, the concentrated pumping is facilitated, and the working efficiency is improved. Therefore, the problems that the existing sludge cannot be effectively gathered together after falling at the bottom of the sedimentation tank, the area to be cleaned is too large, and too much labor and time are consumed during cleaning are solved.

The embodiment of the invention provides a cooling liquid filling and exhausting control method and device, a heat management system and a storage medium, and relates to the technical field of heat management. According to the cooling liquid filling and exhausting method, the multi-way valve group can be controlled to be switched to the first conduction state, so that the electric drive heat management branch is convenient to exhaust and inject cooling liquid; the multi-way valve group can be controlled to be switched to a second conduction state, so that local air release of the electric drive heat management branch and local air release of the battery heat management branch are facilitated; and the multi-way valve group can be controlled to be switched to a third conduction state, so that the electric drive heat management branch and the battery heat management branch can exhaust and inject cooling liquid. On the basis of the cooling liquid filling and exhausting control method provided by the invention, filling and exhausting are carried out at the same time, so that the problem that the cooling effect is influenced by residual redundant air is avoided, overheating of a battery or an electric drive is avoided, and the performance and safety of a vehicle are ensured.