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

This utility model provides an automatic sawing device for automotive castings, belonging to the field of casting riser sawing devices. It includes a machine room with a material drop chute at the bottom, within which a conveyor is installed; and a sawing assembly located on the inner rear side of the machine room. This utility model, through its separation shell, separation plate, and drive assembly, can collect falling structural parts and flowing cooling water during the sawing process of automotive castings. The cooling water is then discharged through a water trough on the separation plate and collected in a water collection tank through separation holes. After water separation, the structural parts fall after the separation plate is removed, enter the material drop chute, and are conveyed out of the machine room by the conveyor. This minimizes the problem of contaminating the conveyor when removing the sawn structure, improves the service life of the conveyor structure after long-term use, and reduces the frequency of conveyor belt cleaning.

The utility model discloses an anti-dropping trachea cannula, which is characterized in that the stable state of the trachea cannula is realized through the matching of all parts during an operation, the normal operation of an artificial airway is effectively maintained and guaranteed, the problems of outward movement, dropping, inward sliding and the like of the trachea cannula are avoided, the efficiency and the safety of the operation are improved, and the life safety of a patient is further guaranteed. According to the technical scheme, the device is characterized by comprising a pipe body, a limiting piece and a deformation piece, a connector is arranged at one end of the pipe body, an air outlet and a fixing air bag are arranged at the other end of the pipe body, the fixing air bag is connected with a filling connector through a branch pipe, a penetrating hole is formed in the middle of the limiting piece, and the limiting piece can be arranged at the position, close to the connector, of the pipe body in a sleeving mode. The limiting piece is detachably connected with the tube body, the trachea cannula is tightly wrapped on the inner side of the penetrating hole through the fastening assembly, and the deformation piece is arranged on the tube body and located at the position, corresponding to the inner side of teeth, of the tube body.

The invention belongs to the field of oil and gas field development, and discloses a drillable and grindable high-water-content horizontal well plugging tool and a using method.The plugging tool comprises a first connector and a connecting sleeve which are connected with one end of a bridge plug body, and a second connector and a lifting sleeve which are connected with the other end of the bridge plug body; according to the plugging tool, the pressure of the inner cavity of the mandrel acts on the main piston and the auxiliary piston; the main piston drives a nut, a central pipe, a second joint, a rubber sleeve shaft and a second cone to move upwards and extrudes the lower part of the slip to move upwards; the auxiliary piston drives the taper sleeve and the first cone to move downwards to extrude the upper part of the slip to move downwards, so that the slip is expanded to anchor the sleeve and the rubber sleeve is compressed to block an upper oil layer and a lower oil layer; the plugging tool combination can be installed at a reasonable position as required according to the plugging requirement of a water outlet point of a middle-high water content horizontal well, a swabbing production layer section can be converted by lifting and lowering a pipe column at a wellhead, the requirement of two-section and three-section separated mining is met, an oil pipe does not need to be directly connected with a separated mining tool, and the reliability is improved.

The utility model relates to the technical field of stainless steel valve castings, and discloses a stainless steel valve casting with an emergency flow choking structure, which comprises a valve body, a valve core is arranged in the valve body, a channel is arranged in the valve core, the upper surface of the valve body is fixedly connected with a connecting block, a rotating groove is arranged in the connecting block, and the rotating groove is fixedly connected with the valve core. A driving rod is arranged in the rotating groove, the lower end of the driving rod rotationally penetrates into the valve body, the lower end of the driving rod is fixedly connected with the valve element, a first grip is fixedly connected to the outer portion of the driving rod, a connecting plate is arranged on the outer portion of the driving rod, and through cooperation of the connecting plate, a fixing ring, clamping teeth, a clamping groove and other structures, the first grip is fixedly connected to the outer portion of the driving rod; the stability of the valve element is effectively guaranteed, so that the situation that an internal flow choking structure is loosened is effectively avoided, the flow choking effect is guaranteed, the stability is high, and the practicability is high.

This utility model provides a clamping mechanism for internal hole sandblasting, comprising: a sandblasting box, the bottom of which is connected to a material receiving hopper, a shielding net fixedly connected to the upper end of the inner wall of the material receiving hopper, a control seat fixedly connected to the rear end of the inner wall of the sandblasting box, and a bearing seat fixedly connected to the bottom of the control seat; a driving unit, which is mounted on the control seat and the sandblasting box, and an assembly seat fixedly connected to the driving unit, with a sandblasting head mounted at the front end of the assembly seat; and a transmission unit, which is mounted inside the bearing seat and connected to the driving unit. This clamping mechanism for internal hole sandblasting, through the driving unit, controls the vertical movement of the sandblasting head, while simultaneously driving the fixed unit to rotate through the transmission unit, achieving uniform sandblasting of the workpiece's inner hole. During sandblasting, the sealing part dynamically seals the top of the workpiece's inner hole, reducing sand leakage and preventing equipment jamming and frequent shutdowns for cleaning.

The utility model relates to the technical field of refrigerator accessory equipment, and discloses a refrigerator ceiling lamp pre-embedded box mounting structure which comprises a first pre-embedded box, partition plates are fixedly mounted at the two ends of the interior of the first pre-embedded box, and the two ends of the interior of the first pre-embedded box are divided into two clamping cavities through the partition plates; and a second pre-embedded box is movably mounted in the first pre-embedded box. According to the utility model, based on the split type design of the first pre-embedded box and the second pre-embedded box, in combination with the elastic clamping connection of the V-shaped cross section of the tensioning plate and the clamping connection cavity, and in cooperation with the extension edge and the inclined guide surface of the fixed block, the rapid alignment and self-locking of the second pre-embedded box are realized, and meanwhile, the fixed clamping block and the movable clamping block can block the tail end of the limiting pin; according to the structure, through multi-stage elastic matching and guiding design, the installation steps are simplified, and loosening caused by vibration is effectively prevented through mechanical interlocking.

The utility model relates to pipeline plugging technical field especially air bag formula municipal administration pipeline plugging equipment, including air bag, the air bag is annular structure, the air bag middle part through -hole sealing connection has connecting rod, the front end of connecting rod is connected with the protection board, the protection board is circular structure, the air bag end part is connected with the air injection valve and exhaust valve and is provided with, the utility model prevents the condition of causing the air bag to be punctured to the effect of guaranteeing the plugging, prolongs the service life of equipment.

The utility model relates to the technical field of leather processing, in particular to a conveying assembly for a surface processing machine, which comprises a support and a fence device, a round roller is rotatably connected to the upper surface of the support, a motor is fixedly connected to one side of the support, the driving end of the motor is fixedly connected with the round roller, and the fence device is arranged on the surface of the support and comprises a sliding rail. The sliding rail is fixedly connected with the support, the surface of the sliding rail is connected with a sliding sleeve in a sliding mode, the upper surface of the sliding sleeve is fixedly connected with baffles, the two ends of the sliding sleeve are rotationally connected with round wheels, the number of the baffles is two, the two baffles are symmetrically arranged, and one side of each baffle is fixedly connected with a traction rope. Transverse constraint is provided for leather conveying, it is ensured that the leather is kept stable in the conveying process, and the problems that due to deviation, surface treatment is uneven, and the defective rate is increased are solved.

The application discloses a horizontal well coiled tubing rotary jet oscillation blockage removing device and method, which comprises a high-pressure jet head, the high-pressure jet head is provided with a high-pressure water jet hole and is a hydraulic rotary jet head; the high-pressure water jet hole of the high-pressure jet head generates a rotating force when high-pressure water passes through; the device further comprises a rotating pipe, a centrifugal force variable-diameter blocking mechanism and a centrifugal force variable-diameter centralizing mechanism; the front end of the high-pressure jet head is connected with the tail end of the rotating pipe and is in communication, the rear end of the high-pressure jet head is connected with the central channel of the rotating disc of the centrifugal force variable-diameter blocking mechanism and is in communication; the high-pressure jet head drives the rotating pipe and the rotating disc to rotate simultaneously. The application can make the blockage removed by the high-pressure jet head play a blocking effect, prevent the blockage from entering the other side of the first limiting sliding groove to cause secondary blockage, ensure the blockage removing effect, and ensure that the rotating axis of the rotating disc, i.e. the position of the high-pressure jet head, is on the central axis of the horizontal well, so that a good centralizing effect can be achieved on the high-pressure jet head.

The utility model relates to fire prevention smoke exhaust valve technical field, concretely is a kind of fire prevention smoke exhaust valve upper structure optimized baffle, including bottom plate and baffle, bottom plate and baffle are T-shaped and are welded together, the side of baffle is provided with accommodating groove, the inside of accommodating groove is slidably provided with touch plate, it is provided with several groups of spring between accommodating groove and touch plate, wherein, one end of spring and the inner wall of accommodating groove are in contact, the other end of spring and touch plate are in contact.The utility model is provided with accommodating groove, touch plate and spring, even in the case where the bottom plate produces small amplitude bending deformation, the edge of smoke exhaust valve blade can always keep close contact between touch plate when closing, thereby smoke can be effectively avoided from the gap between baffle and smoke exhaust valve blade edge, ensure the blocking effect of fire prevention smoke exhaust valve to smoke.

The utility model discloses a chain saw guide plate, including inner guide plate and the outer guide plate of setting up on two sides of inner guide plate, the two side edges of inner guide plate are enclosed with outer guide plate and form the track groove of accommodating chain, the tail end of outer guide plate is provided with the oil hole of communicating track groove, and the side of inner guide plate corresponding oil hole is equipped with the lug close to the tail end of inner guide plate.

The utility model discloses an intestinal fistula plugging device, including gasbag, the gasbag place is established and is injected gas mouth, be equipped with the piece in the injection gas mouth, the piece place is established and is injected gas mouth, and the injection gas mouth is fixedly connected in the inner wall of the through -hole and is passed. The utility model connects the outside air pump to the injection gas mouth, and the gasbag is inflated, and then the whole is pulled to the intestinal fistula channel, and the gasbag is made of medical silica gel material, so that the inflated gasbag can adapt to the intestinal fistula channel of different shapes and sizes to a certain extent, ensure the plugging effect, reduce the intestinal content leakage.

The utility model relates to a kind of exhaust pipe air tightness detection device, belong to air tightness detection technical field.The exhaust pipe air tightness detection device, including: workbench, air tightness detector and detection table, the air tightness detector and detection table are installed in the top of workbench;Sealing mechanism, the sealing mechanism includes the cylinder fixedly connected in the top of detection table, the telescopic end of the cylinder and the top of detection table are all fixedly connected with round plate;Sealing ring in plugging mechanism can be periodically replaced, it is favorable to guarantee the plugging effect of sealing ring to exhaust pipe opening driven by plugging plate, and while plugging plate drives sealing ring to carry out the plugging of exhaust pipe opening, by making the air bag between adjacent two sealing rings inflate and closely adhere to the inner wall of exhaust pipe, it is favorable to guarantee the sealing property when plugging exhaust pipe opening, avoid the phenomenon that exhaust pipe appears leakage at opening during air tightness detection process of exhaust pipe, to ensure the accuracy of exhaust pipe air tightness detection.

The battery pack comprises a box body and a cylindrical battery pack located in the box body, the box body comprises a bottom plate, the cylindrical battery pack comprises at least two cylindrical batteries, the axial directions of the cylindrical batteries are parallel to the bottom plate, a heat exchange plate is perpendicular to the bottom plate, and the heat exchange plate is located at the axial ends of the cylindrical batteries and adheres to the cylindrical batteries through adhesive layers; in the direction perpendicular to the bottom plate, at least one end area of the side face, facing the cylindrical battery, of the heat exchange plate is provided with a first blocking piece, the proportion of the width of the first blocking piece in the direction perpendicular to the bottom plate to the width of the heat exchange plate is m, the axial length of the cylindrical battery is l, and m * l is larger than or equal to 2.4 mm and smaller than or equal to 4 mm. According to the battery pack, the first blocking piece is arranged to prevent glue from overflowing, the value of m * l is controlled to be 2.4 mm-4mm, the fixing strength of the cylindrical battery and the heat exchange plate can be guaranteed, and meanwhile the heat exchange effect of the cylindrical battery and the heat exchange plate, the glue blocking effect of the first blocking piece and the energy density of the whole battery pack can be guaranteed.