15results about How to "Guaranteed exhaust effect" patented technology

The invention relates to the technical field of batteries, in particular to a battery cell and a battery pack. According to the battery cell, a first cover plate is provided with an exhaust hole and is provided with a convex part protruding towards the interior of the battery cell; the pressure relief piece is mounted in the exhaust hole; the supporting piece is mounted on the convex part, so that the supporting piece and the first cover plate are arranged at an interval, and the projection of the supporting piece on the first cover plate covers the exhaust hole; a first ventilation area is formed on the supporting piece, and gas can flow to the exhaust hole through the first ventilation area; the sizes of the pressure relief piece and the first ventilation area in the first direction are L1 and L2 respectively; the sizes of the pressure relief piece and the first ventilation area in the second direction are W1 and W2 respectively; 1.15 < = L2 / L1 < = 1.3; and 1.15 < = W2 / W1 < = 1.3. According to the invention, even if the interior of the battery cell of the pole group is displaced, the supporting piece can also prevent the pole group from moving towards the direction close to the exhaust hole, so that the condition that the pole group shields or even completely blocks the exhaust hole is avoided.

The invention relates to the technical field of internal combustion engine exhaust devices, in particular to an internal combustion engine exhaust pipe which comprises an exhaust tail pipe, a sealing plate, a sliding block, a transmission assembly and a limiting assembly are arranged on the exhaust tail pipe, and when a vehicle runs normally, the limiting assembly keeps the sealing plate in the state that the axis of the sealing plate is perpendicular to the rotation axis of the exhaust tail pipe; therefore, the blocking area of the sealing plate to the gas in the linear tail pipe is ensured to be at the minimum value, and the exhaust effect of the exhaust pipe is ensured; when a vehicle enters a road surface with accumulated water higher than the lower dead center of the sliding block, the sliding block moves up and down according to the height of the accumulated water on the road surface, limitation of the limiting assembly on the sealing plate is relieved when the sliding block moves upwards, and meanwhile up-down movement of the sliding block is converted into horizontal rotation of the sealing plate through the transmission assembly. When the vehicle flames out and the accumulated water on the road surface is higher than the lowest point in the linear tail pipe, the sealing plate completely seals the interior of the linear tail pipe, and it is guaranteed that the accumulated water on the road surface cannot continue to move forwards after reaching the linear tail pipe when the vehicle flames out due to wading.

The invention relates to the technical field of automobile exhaust purification, in particular to an automobile exhaust purifier which comprises a heat preservation shell, a first pipeline and a second pipeline are fixedly installed in the heat preservation shell, a first spray head and a second spray head are installed outside the heat preservation shell, the first spray head communicates with the first pipeline, the second spray head communicates with the second pipeline, and the first pipeline communicates with an external urea pump. The second pipeline communicates with an external water pump, and a switching device is arranged on the heat preservation shell. Compared with an existing automobile exhaust purifier, after the first spray head for spraying urea is blocked, the standby second spray head is switched to continue to work through the switching device, and the blocked spray head is automatically cleaned through the water pump; the problem that the torque of a vehicle can only be limited to guarantee that tail gas discharged by the vehicle is qualified after an existing nozzle is blocked by urea crystallization is solved, safety accidents caused by the limited torque of the truck after the urea nozzle is crystallized in the uphill process of the truck are avoided, and the life safety of a driver is guaranteed while the tail gas treatment effect is guaranteed to reach the standard.

The application relates to the technical field of bearing machining, and discloses an assembling device for industrial robot bearing machining, which comprises a machine table, a rotary placing seat is rotationally connected to the machine table, a grease injection seat and a placing table are respectively slidably connected to the machine table, a rotary plug is rotationally connected to the grease injection seat, a movable sealing gland is arranged above the machine table, a plurality of piston cylinders are arranged on the sealing gland, exhaust holes are arranged in the upper ends of the piston cylinders, piston sheets are slidably connected in the piston cylinders, and a movable annular moving frame is arranged on the sealing gland; in the application, air resistance is reduced during grease injection, uniform filling of lubricating grease is ensured, a small amount of grease injection is not needed, time and labor are saved, convenience and speed are achieved, pressure can be applied through a press-fitting block, two sealing covers can be simultaneously press-fitted on the two ends of a bearing, the press-fitting efficiency is improved, the working hours during bearing machining are reduced, and the machining efficiency is improved.

The utility model discloses an air hole sleeve, which belongs to the technical field of tire vulcanization equipment, and comprises a mandrel, one end of the mandrel is provided with a shaft head, and the other end of the mandrel is provided with a limiting part; the sleeve body is arranged on the core shaft in a sleeving mode, and an air channel is formed by the sleeve body and the core shaft; one end, close to the shaft head, of the sleeve body is an air inlet end, and one end, close to the limiting part, of the sleeve body is an air outlet end; a plurality of through exhaust holes are formed in the end face of the air inlet end; the elastic piece enables the shaft head to have a trend of being far away from the air channel; the through exhaust holes formed in the end face of the air inlet end of the sleeve body can exhaust gas remaining in a tire mold cavity together with the air channel, even if the air channel is blocked when the elastic piece is automatically opened and closed, the exhaust holes can also serve as a main exhaust means, and the safety of the tire mold is improved. And it is guaranteed that gas remaining in the tire mold cavity can be completely exhausted, the exhaust effect is guaranteed, and the tire vulcanization effect is guaranteed.

The utility model belongs to battery technical field, propose a gasket structure, electric core, battery package and electric car, wherein, gasket structure includes X type connecting structure and strip board, four end portions of X type connecting structure all are connected with strip board, two strip boards in the same side are parallel to each other, and are provided with exhaust passage between two parallel strip boards, the inner side of X type connecting structure is provided with two flow guide surfaces close to strip board, the included angle of two flow guide surfaces is a, four end portions of X type connecting structure all are connected with strip board, two strip boards in the same end are parallel to each other, and are provided with exhaust passage between two parallel strip boards, X type connecting structure and strip board can be realized in the heat runaway condition and keep structural integrity, guide high temperature gas to the direction of explosion -proof valve movement through exhaust passage, after exceeding the threshold of explosion -proof valve, discharge, prevent the blockage of exhaust passage.

The invention discloses a multi-layer carbon fiber felt glue joint automatic processing device and method, and belongs to the field of composite material processing, the device comprises a conveying mechanism for limiting and stably conveying a bearing disc on which carbon fiber felts are placed; the lifting supporting mechanism is arranged below the conveying mechanism and keeps lifting so as to fix the bearing disc in the conveying process; the moving mechanism is arranged above the conveying mechanism, linearly reciprocates in the conveying direction or the opposite conveying direction of the conveying mechanism and keeps a moving path to cover the lifting supporting mechanism; the pressing mechanism is arranged below the moving mechanism in a lifting mode, a pressing roller with the bottom capable of rotating makes contact with the carbon fiber felt on the bearing disc to achieve pressing, the pressing mechanism moves along with the moving mechanism, and the pressing force generated when the pressing roller makes contact with the carbon fiber felt is adjusted in an automatic lifting mode; a gluing mechanism and a welding mechanism are further arranged on the outer side face of the pressing mechanism. By means of the equipment, automatic gluing and welding operation of the multi-layer carbon fiber felt can be achieved.

This invention relates to the field of exhaust gas treatment technology, specifically to a high-efficiency industrial exhaust gas treatment system and method. The system includes a cabinet with several air inlets at its bottom and several exhaust outlets on its side walls. Protective filters are fixedly connected to each of the air inlets and exhaust outlets. This invention utilizes an electrostatic adsorption roller to move up and down, effectively adsorbing dust particles inside the filter holes of the protective filter, maintaining the exhaust efficiency of the exhaust outlets after long-term operation of the exhaust gas treatment system. Simultaneously, the electrostatic adsorption roller can intermittently adsorb dust particles from the protective filter at the exhaust outlets, achieving automatic dust particle collection. Furthermore, a brush plate can be used to remove dust particles from the filter holes of the protective filter, maintaining the air intake efficiency of the air inlets, ensuring airflow rate and ventilation performance, and guaranteeing the stable and efficient operation of the industrial exhaust gas treatment system.

This utility model relates to a negative pressure ward ventilation system that combines normal and epidemic ventilation, including a ward system, multiple vertical exhaust systems, and multiple horizontal exhaust systems. The ward system includes at least two floors, with at least two wards arranged vertically on each floor. Each ward includes a treatment area and a toilet. Each floor has a horizontal exhaust system, which is connected to the treatment area and toilet of the corresponding ward through exhaust branch pipes. The vertical exhaust systems run vertically through each floor, and the vertical exhaust shafts are connected to the toilets of the vertically aligned wards on each floor. This utility model uses the horizontal exhaust system during epidemics and the vertical exhaust system during normal times, avoiding the high energy consumption of the exhaust fan units caused by the long exhaust pipes, numerous valves, and high resistance of the horizontal exhaust system during normal times. It saves energy consumption of the ventilation system during normal times, and is low in cost and reliable in performance.

The utility model relates to the technical field of vacuum exhaust, and discloses an exhaust device of a vacuum furnace, which comprises a condenser, a vacuum pump and a vacuum furnace connecting pipe, an air inlet pipe and an exhaust pipe are arranged on the surface of the condenser, the outlet end of the exhaust pipe is fixedly communicated with the vacuum pump, and a one-way circulation mechanism is arranged in the exhaust pipe. One end of the air inlet pipe is provided with a quick connecting mechanism used for being connected with a vacuum furnace connecting pipe, the surface of the vacuum furnace connecting pipe is provided with a limiting groove and an annular groove, and the inner side wall of the annular groove is fixedly connected with a sealing rubber ring. According to the utility model, gas backflow can be effectively avoided, gas or other substances are prevented from flowing back into a pipeline system, the exhaust effect is ensured, the sealing effect is ensured by abutting the sealing rubber ring against the inner wall of the slot, the good sealing performance is ensured, and the vacuum furnace connecting pipe is convenient to connect.

The invention discloses a polyethylene foaming extrusion molding device, which comprises: a machine body, which is provided with a platform used for installing parts; the shell is arranged on the machine body; the barrel is arranged in the shell; the screw rod is arranged in the cylinder body; the first motor is used for driving the screw rod to rotate; the feeding hopper is arranged above the cylinder body; a feeding hole communicated with the feeding hopper is formed in the cylinder body; the stirring device is arranged in the feeding hopper; one end of the partition plate is fixedly connected to the inner wall of the feeding hopper; the first gas conveying pipe is arranged on the side wall of the feeding hopper; the first fan is arranged on one side of the barrel; the partition plate divides the inner wall of the feeding hopper into a partition cavity, the partition cavity is communicated with the first air conveying pipe, an air outlet is formed in the bottom of the first air conveying pipe, and the direction of airflow blown out by the first fan is perpendicular to the direction of the air outlet. According to the device, materials can be prevented from entering the first gas conveying pipe, the exhaust effect of waste gas is guaranteed, and a good cooling effect is provided for the extruder.

The present application provides a bottom support plate, a battery, a battery pack and an electrical device, relating to the technical field of batteries. The bottom support plate includes a support plate body, and connection holes are provided on the support plate body. The connection holes are used to communicate with explosion-proof valves. Among them, the high-temperature aperture change rate of the connection holes is A, and the high-temperature thickness change rate of the support plate body is B, and 0 < A×B ≤ 0.002. Thus, while ensuring the exhaust effect of the connection holes, the strength of the support plate body at high temperatures is ensured, preventing the support plate body from deforming and blocking the explosion-proof valves, and ensuring the pressure relief effect of the explosion-proof valves.

The invention discloses a laboratory reagent shelf with an exhaust system, and relates to the technical field of reagent shelves. The laboratory reagent shelf with the exhaust system comprises an experiment table, and the top of the experiment table is fixedly connected with a supporting seat. According to the laboratory reagent rack with the exhaust system, the height of the placement rack can be conveniently adjusted according to use requirements, the applicability is higher, and use is more convenient and faster; according to the reagent bottle limiting device, the reagent bottle can be well limited, meanwhile, under the air draft effect, the bottom of the reagent bottle can be adsorbed through a rubber ring, the reagent bottle is prevented from being collided and toppled over in the experiment process, and the reagent bottle limiting device is more stable and reliable; air exhaust operation can be conveniently performed on gaps among the reagent bottles, so that the air exhaust efficiency is higher, and the effect is better; and after air exhaust is completed, the cover plate can rotate downwards under the action of the first spring and block and seal the first air exhaust hole, dust, water stains and the like attached to the surface of the first air exhaust hole can be reduced, and the air exhaust efficiency and effect of the air exhaust device are guaranteed.

The present invention relates to the technical field of magnetic induction kettles, and specifically to a magnetic induction kettle that can improve heating efficiency. The magnetic induction kettle includes an outer shell, an inner liner, a base, a heat insulation device, a mouth-shielding mechanism, and an auxiliary power supply mechanism. The outer shell is provided with a spout, and the mouth-shielding mechanism is located at the spout of the outer shell. The inner liner is a split design, and the inner liner is composed of a separately produced liner wall and a bottom plate. The bottom plate is a multi-layer composite plate, and the thickness of the multi-layer composite plate is controlled between 0.5 and 5.0 mm. The liner wall and the multi-layer composite plate are sealed, and a switch mechanism is provided on the outer shell, and the switch mechanism is connected to the mouth-shielding mechanism by transmission. The inner liner of the present invention is composed of a liner wall and a multi-layer composite plate bottom plate, which reduces process complexity, improves yield and batch quality, controls costs, and also improves heat transfer efficiency, shortens water boiling time, and reduces bottom plate deformation. The spout mouth-shielding mechanism can be automatically raised and lowered, can be manually operated, closed when keeping warm, opened when boiling water, and can be manually opened when pouring water, thereby improving convenience and safety in use.