10results 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 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.

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 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 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.

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 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.

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.