21results about How to "Good seal" patented technology

This utility model relates to a rotary double-compartment preservation bottle, including a feeding compartment; a separating membrane, sealed at the opening of the feeding compartment; an upper compartment sleeve, a shell structure, which is rotated and sealed onto the feeding compartment to form the upper compartment, with the separating membrane located between the upper and lower compartments. The side wall of the upper compartment sleeve is provided with a deformable part, which moves to the center of the upper compartment under the action of external force, reducing the volume of the upper compartment, and resetting after the external force is removed; a guide member, located in the upper compartment and fixedly connected to the lower compartment; and a puncturing member, movably installed on the guide member, which has a puncture part facing the separating membrane. The upper compartment sleeve is drivenly connected to the puncturing member. When the upper compartment sleeve rotates in a first direction, under the guidance and limitation of the guide member, the upper compartment sleeve drives the puncturing member to move towards the separating membrane. After the puncturing part punctures the separating membrane, the upper compartment and the lower compartment are connected, avoiding leakage of the material during the connection of the two compartments and requiring less force. When pouring out the material, it is easy to control the amount of material discharged.

This application provides a temporary storage device for liquid bagged samples. The storage box is box-shaped with an opening at the top. A slide rail is located at the top of the storage box. The sealing mechanism includes a male sealing rod and a female sealing rod slidably mounted on the slide rail. The male and female sealing rods can slide closer together to clamp the top opening of the liquid bag, or move away from each other to release the clamping force on the top opening of the liquid bag. A tightening mechanism is located between the corresponding male and female sealing rods. This application, through the cooperation of multiple sealing and locking mechanisms, utilizes the male and female sealing rods to clamp the top opening of the liquid bag, forming a uniform and tight clamping force at the bag opening. Because the sealing mechanism can slide along the slide rail, it can be flexibly adjusted according to the width of the liquid bag, ensuring that liquid bags of different sizes can be effectively sealed, avoiding gaps caused by incomplete sealing that allow contaminants to enter, greatly reducing the risk of sample contamination, and ensuring the accuracy of test results.

This utility model discloses a small radio frequency coaxial connector interface, belonging to the field of radio frequency coaxial connector technology. Its key technical features include a male connector and a female connector. Connecting lines are provided at the ends of the male and female connectors that are far apart. An alignment component is provided on the side of the male and female connectors that are close together. A sealing component is provided inside the female connector. By providing the sealing component, when the male and female connectors are mated, the sliding ring can tightly fit against the surface of the male connector under the action of a return spring. The sealing ring on its inner wall precisely aligns with the mating groove on the surface of the male connector, forming a multi-layered sealing structure that effectively prevents the intrusion of moisture, dust, and other impurities. Simultaneously, the sliding ring dynamically adjusts its position during the insertion and removal process, adapting to dynamic sealing requirements. Furthermore, the elastic force of the return spring ensures that the sealing component always maintains a good sealing state, thereby enhancing the sealing effect.

This application relates to the field of sealing, and in particular to a sealing ring for a hydraulic cylinder. It includes a sealing ring body installed at the cylinder body and end cap. An annular buffer groove is formed on the side of the sealing ring body away from the end cap, and multiple buffer components are present within the groove. Each component includes a buffer cavity, a buffer spring, a buffer rod, and a buffer end plate. There is a gap between the buffer rod and the inner wall of the buffer cavity. An oil guide channel is present within the sealing ring body. The buffer rod and buffer end plate are made of rubber, the buffer end plate has a tapered surface, the buffer rod has an oil passage hole, and the middle of the buffer rod has an oil passage. A rubber sealing ring is located at the end of the sealing ring near the end cap, and multiple annular grooves are formed on this side. This application achieves the effects of reducing the impact of the piston on the connecting rod, not affecting the service life of the sealing ring, reducing hydraulic oil leakage, increasing the resistance of the buffer rod to the piston, dispersing and buffering hydraulic impact force, improving the sealing tightness, and ensuring stable sealing performance of the hydraulic cylinder.

The utility model provides a kind of pullable inspection window of screw machine, it relates to screw conveyor field, the pullable inspection window of this screw machine, including cylinder section, the outside fixed connection of cylinder section has mounting bracket, the outside fixed connection of cylinder section has observation window door, the top of observation window door is equipped with sealing groove, the inside of observation window door is equipped with first inclined surface groove, the outside fixed connection of first inclined surface groove has two butt plates, the side fixed connection of mounting bracket has first oil cylinder, the outside fixed connection of first oil cylinder has mounting sleeve, the pullable inspection window of this screw machine does not need operating personnel to be assisted with special tool to carry out tedious manual disassembly, it is greatly saved to open the time of inspection window, improves operating efficiency sealing groove in sealing mechanism and sealing plate cooperation, can effectively block material leakage and external impurities enter, the fitment of first inclined surface groove and second inclined surface groove increases sealing contact area, further enhances the tightness of sealing.

This utility model discloses a filter fastening and adjustment mechanism for a bag filter dust collector, including a tube sheet with a through hole inside. An outer annular groove is formed above the outside of the through hole inside the tube sheet, and the outer annular groove communicates with the through hole. A filter bag is placed inside the through hole of the tube sheet. The filter bag includes a bag body and a bag opening ring edge, which are sewn together. The bag opening ring edge is located inside the outer annular groove. A frame mounting plate is provided above the bag opening ring edge, and the frame mounting plate is annular. A fastener is provided above the frame mounting plate, and the fastener includes a lower pressure plate, an upper pressure plate, and a rubber ring. The rubber ring is fixedly installed above the lower pressure plate. This mechanism achieves filter fastening capability, increases practicality, and solves the problem that traditional bag filter dust collectors often use simple bolt and nut fastening or spring compression methods, resulting in poor practicality.

The utility model relates to the technical field of sealing structures, and particularly discloses a 90-type system window double-embedded sealing structure which comprises a window body structure, and a hardware channel is arranged on the window body structure. The sealing structures are arranged on the two sides of the outer portion of the hardware channel, the sealing structures are in spherical extrusion type sealing, and the sealing structures comprise a third spherical sealing piece and a fourth spherical sealing piece; the spherical sealing element III and the spherical sealing element IV are matched with each other and form uniform sealing pressure with the contact surface of the window body structure after being extruded, so as to fill the gap; the third spherical sealing piece and the fourth spherical sealing piece are arranged in an inclined face diagonal mode. A sealing layer is additionally designed outside a hardware channel, a sealing structure is an embedded spherical extrusion type sealing structure, an embedded spherical extrusion type sealing structure is also designed in a window sash, four seals are upgraded, and a common sealing mechanism is also designed into a spherical extrusion type structure, so that the sealing effect is greatly improved, and doors and windows are more sealed, more energy-saving and more environment-friendly.

The utility model discloses a rotating joint for cooling a steel pipe penetrating ejector rod, which comprises a machine body, a first shell and a second shell are arranged at the top of the machine body, a rotating flange is fixedly arranged in the second shell, an ejector rod assembly is fixedly arranged in the rotating flange, and a cooling assembly is arranged in the first shell. The bottom of each side of the first outer shell is fixedly provided with a locking shell, a connecting assembly is fixedly installed between the first outer shell and the second outer shell, the connecting assembly is sleeved with a sealing and fixing assembly, and the two ends of the top of the machine body are fixedly provided with locking assemblies. According to the rotary joint, a small gap possibly existing in the connecting position of the rotary joint can be further filled, cooling medium leakage is prevented, the integrity and stability of a cooling system are ensured, disassembly and assembly are convenient through the locking assembly, maintenance personnel can more rapidly disassemble the rotary joint from equipment, and replacement or maintenance is convenient.

The utility model relates to a gas turbine sealing technical field especially relates to a turbine comb tooth seal structure, including the gas seal body, the gas seal body includes a plurality of circumferential splicing gas seal body arc segment, a plurality of concave-convex structures, a plurality of concave-convex structures are continuously distributed and form the comb tooth gas seal on two gas seal body arc segments of splicing, sealing sheet, the utility model discloses, due to the setting of concave-convex structure, first through the design of local gas seal, make the clearance of gas seal body's axial can be closely contacted, avoid the stress concentration problem due to thermal expansion simultaneously, improve the sealing effect between the connecting surface of two gas seal body arc segments of splicing, and the comb tooth gas seal formed by the continuously distributed multiple concave-convex structures, reduce the flow rate and flow of airflow, can also prevent airflow from flowing directly from the clearance between the gas seal body arc segment, improve the efficiency of gas turbine greatly, thereby always keep good sealing state, improve the overall sealing performance.

The application discloses a differential pressure self-balancing oil leakage prevention middle-mounted gear box and a method, and belongs to the technical field of gear boxes. A floating ring oil sealing structure is adopted to seal between a gear box output shaft and an output hole, a pressure sensor and a temperature sensor are arranged in a sealed gas cavity, a rotating speed sensor is arranged at the output shaft, a differential pressure sensor is connected between a sealed area and atmosphere outside the box, each sensor is connected to a controller, the controller is connected to a conventional pressure relief unit, a quick pressure relief unit and an oil return unit. When running, the controller collects the gas cavity pressure, temperature, rotating speed and actual differential pressure, makes a forward-looking prediction on the gas cavity pressure according to the temperature rise rate and the state relationship of constant volume gas, takes the actual differential pressure as feedback correction, controls the conventional pressure relief, the quick pressure relief and the active oil return according to the hierarchical logic, and actively releases before the differential pressure on both sides of the oil seal exceeds the safety range. The application improves the passive ventilation into forward-looking active adjustment, avoids the oil liquid overflow caused by the positive pressure rise in the box, and improves the sealing wear resistance.

This utility model discloses a respiratory spray device, relating to the field of respiratory medicine technology. It includes a nebulizer body with a limiting cap snapped onto its top. A limiting device is threaded onto one side of the limiting cap, and a mist outlet is fixedly connected to the side of the nebulizer body. Through the design of a filter and filtration components, this utility model achieves purification and safety during operation. The filtration components accurately intercept impurities mixed with the medication from the outside, such as airborne dust, fibers, and tiny foreign objects that may be introduced when the medicine bottle is opened, ensuring extremely high purity of the medication injected into the nebulizer body and preventing impurities from interfering with the nebulization effect. The organic cotton filter inside the filter deeply filters any remaining un-nebulized droplets and fine impurity particles in the mist after nebulization, effectively removing components that may irritate the respiratory mucosa and significantly reducing patient discomfort when inhaling the mist.

The utility model discloses a heat collecting head assembly and stirling refrigerating plant, including a plurality of sets of heat collecting module, the heat collecting module includes connecting cover no.

In an electromagnetic fuel injection valve (I), when a fuel filter (20) and an orifice member (21) are pressed into the inner peripheral surface of a fuel inlet cylinder portion (7), interference of respective press-in interference amounts is prevented, and respective press-in is firmly fixed. A first press-in cylindrical surface (23) for press-in of the fuel filter (20) and a second press-in cylindrical surface (24) for press-in of the orifice member (21) are formed on the inner peripheral surface of the fuel inlet cylinder portion (7), the second press-in cylindrical surface (24) being connected to the outer end of the first press-in cylindrical surface (23) via a step portion (25) and having a larger diameter than the first press-in cylindrical surface (23).

The utility model provides a kind of puncture sampling catheter, belong to puncture sampling catheter technical field, the puncture sampling catheter includes: main pipe body, inner needle assembly, rotating handle, sealing cover and fixed seat;The main pipe body is hollow cylindrical structure, the distal end of main pipe body is equipped with bevel opening, and the proximal end of main pipe body is equipped with connecting port;The inner needle assembly includes needle and needle handle, needle and needle handle are fixedly connected, and the needle can be slidably arranged in the inner cavity of main pipe body;The proximal end connecting port of main pipe body is fixedly connected with rotating handle;Sealing cover is installed at the proximal end connecting port of main pipe body by thread connection, and the center of sealing cover is provided with through-hole, needle handle passes through the through-hole of sealing cover center and is connected with fixed seat;The fixed seat is arranged outside sealing cover, and the utility model solves the technical problem that the puncture sampling catheter in prior art exists sampling precision is not high, and operation is not flexible.

The utility model discloses a kind of melt filter elements of replaceable sintering screen, it includes shell (1), two chutes (2) are equipped on the inner side wall of shell (1);The inner bottom surface of each chute (2) and each inner side wall are all bonded with sealing layer (3), each chute (2) is slidably installed with slide bar (4) in;The inner side wall between two slide bars (4) is fixedly installed with sintering screen mounting rack (5), and multiple sintering screens (6) are provided in sintering screen mounting rack (5);The top end portion between two slide bars (4) is sleeved with first sealing ring (7);Upper cover body (8) and lower cover body (9) are threadedly installed on shell (1), and second sealing ring (10) is installed in upper cover body (8) and lower cover body (9).The utility model not only can reduce maintenance cost, but also has the advantages that sintering screen replacement maintenance is convenient, work stability is high, convenient to use and filtering effect is good.

The utility model relates to agricultural machinery technical field, concretely is a kind of sealing positioning assembly, including driving box and driven box, first convex edge is equipped on driving box, second convex edge is equipped on driven box, sealing ring is clamped between first convex edge and second convex edge, a plurality of first taper holes are set up on first convex edge, a plurality of second taper holes are set up on second convex edge, corresponding first taper hole and second taper hole are provided with positioning mechanism between, and positioning mechanism includes pin sleeve, two resistance plugs, two pressure sleeves and threaded rod.The sealing positioning assembly is positioned by the positioning mechanism set, makes the pin sleeve in positioning mechanism vertical through first taper hole and second taper hole, and two ends are fastened by resistance plug cooperation pressure sleeve, threaded rod and nut, can limit the relative displacement between driving box and driven box due to torque, maintain the good sealing state of sealing ring, avoid the sealing failure problem caused by misplacement.

The utility model belongs to the field of valve especially a double inclined plane wedge elastic sealing gate valve, in view prior art gate valve is easy to appear leakage problem. Meanwhile, the sealing effect between the gate and the valve body still needs to be further improved to cope with the problem of fluid pressure change under different working conditions, the present scheme is proposed, it includes, the valve body, both sides and the top of valve body are open setting, the top of valve body is fixedly connected with upper valve seat through connecting assembly, the top opening of upper valve seat and valve body fixed communication, the top of upper valve seat is fixedly connected with connecting seat. In the utility model, both sides of the gate are inclined plane, which is tightly attached to the inner wall of the valve body, and a first annular sealing ring is fixedly sleeved on both sides of the gate, when the valve is closed, the sealing effect between both sides of the gate and the inner wall of the valve body can be improved, the convex plate drives the arc block to move downward and stretch the tension spring, so that the sealing gasket on the outer wall of the arc block is extruded against the inner wall of the bottom of the valve body, and the sealing performance of the device is improved again.

The utility model provides a storage cabinet which comprises a cabinet body assembly and at least one drawer unit contained in the cabinet body assembly, and each drawer unit comprises a drawer body, a drawer box and a retaining mechanism. The drawer body comprises a drawer main body suitable for containing articles and a drawer panel assembled on the front side of the drawer main body. The drawer box forms a first cavity, the drawer body is suitable for being contained in the first cavity in a drawable mode in the depth direction of the drawer body, the first cavity comprises a first cavity opening allowing the drawer body to go in and out, and the drawer box and the cabinet body assembly are relatively fixed. The drawer panel comprises a sealing ring, and the maintaining mechanism is suitable for providing acting force in the drawing direction of the drawer body so that the sealing ring can be tightly attached to the first cavity opening to enable the first cavity to keep a sealed environment. The sealing ring is arranged on the drawer panel to be matched with the first cavity opening to construct a reliable sealed containing space, damp air is effectively prevented from entering the drawer, meanwhile, the maintaining mechanism is arranged to guarantee that the sealing ring is in tight contact with the first cavity opening all the time, and a good sealing state is maintained.

The utility model provides a candy raw material dissolving tank. The candy raw material dissolving tank comprises a tank body, the top of the tank body is provided with a feeding port, and the bottom of the tank body is fixedly communicated with a discharging pipe with a valve; the screening frame is used for screening raw materials, the screening frame is installed on the tank body in a sliding mode, guide rods are fixedly installed on the two sides of the screening frame, and the guide rods penetrate through the tank body in a sliding mode; the mounting groove is formed in the inner wall of the tank body, and a heating plate is fixedly mounted in the mounting groove; the exhaust pipe is fixedly communicated with one side of the tank body; and the steam recycling mechanism is arranged on the exhaust pipe and is used for recycling the steam. The candy raw material dissolving tank provided by the utility model has the advantages that steam generated during heating can be recycled, the energy recycling efficiency is improved, and the energy waste is reduced.

This utility model belongs to the field of power distribution cabinet technology, specifically a sealing structure for the inlet and outlet lines of a power distribution cabinet. It includes a main body, an inlet / outlet module mounted on top of the main body, an auxiliary module at the end of the inlet / outlet module, and a sealing module mounted on the rear side of the inlet / outlet module. The auxiliary module includes a limit ring, a pad, a movable rod, a rotating shaft, a fixing block, and a fixing buckle. The inner wall of the limit ring is provided with a pad, a movable rod is provided at one end of the limit ring, and a fixing buckle is installed at the other end of the limit ring. A rotating shaft is provided at the end of the movable rod, and a fixing block is installed at the end of the rotating shaft. This utility model effectively restricts the sealing cloth roll, ensuring a tight seal against the cable, thus achieving a good sealing state, guaranteeing the safety and stability of the cable, and possessing good heat insulation and wear resistance properties. It is suitable for long-term use and can be rolled up when sealing is not required, making it more flexible in use.

The utility model relates to the field of kitchen small household electrical appliances, and specifically discloses an inner cover assembly preventing air leakage of a sealing ring, an upper cover structure of an electric rice cooker and the electric rice cooker, wherein the inner cover assembly comprises a cover plate and a sealing ring for sealing a pot opening of an inner pot of the electric rice cooker, the cover plate has an annular mounting surface extending in the up-down direction, the sealing ring is fitted on the mounting surface and has a fitting surface attached to the mounting surface, an arc-shaped sealing skirt is arranged on the fitting surface and is raised upward, the sealing skirt has a fixed end and a sealing end, and the thickness of the sealing skirt gradually decreases from the fixed end to the sealing end, and in the fitting state, the sealing end of the sealing skirt is bent downward and attached to the mounting surface. The sealing skirt can better adapt to the shape of the mounting surface during assembly and reduce the generation of gaps.