13results about How to "Meet sealing needs" patented technology

This utility model discloses a HVAC vent filtration device, comprising: a ventilation panel, which includes an annular frame 1 and fan blades 2, the fan blades 2 being disposed within the inner ring of the annular frame 1; and a filter assembly, which includes an annular slot 3, a filter plate 5, and a fixing bolt 7. The annular slot 3 is rectangular, with three sides having a groove-shaped cross-section and one side having a U-shaped cross-section. The filter plate 5 is inserted into the annular slot 3 from the U-shaped cross-section side. One side of the annular slot 3 is fixedly mounted on the frame. The annular slot 3 has a mounting hole 6 penetrating the groove-shaped sidewall on the side facing away from the frame. The fixing bolt 7 is threaded into the mounting hole 6, and can clamp or loosen the filter plate 5 after being screwed into the mounting hole 6. During installation, simply insert the filter plate 5 into the annular slot 3 from the U-shaped cross-section side and then tighten the fixing bolt 7.

The application relates to the technical field of plastic sealing equipment, and discloses an intelligent TSM plastic packaging ultrasonic sealing device, which comprises a sealing machine main body, a welding head arranged at the bottom of the sealing machine main body, and a pressing head arranged at one end of the sealing machine main body close to the welding head, and further comprises an adjusting mechanism arranged at the bottom of the pressing head close to the welding head side; the adjusting mechanism comprises an outer shell arranged at the bottom of the pressing head close to the welding head side, a sleeve arranged in the outer shell, the two ends of the sleeve are rotationally connected with the inner wall of the outer shell, a plurality of expansion holes in annular array are arranged on the outer wall of the sleeve, a damping strip is arranged on the inner wall of the expansion hole, a rotating block is arranged at one end of the sleeve away from the expansion hole, a plurality of tooth rings in linear array are arranged on the outer side of the damping strip, and a limiting ring is arranged on the side of the tooth ring away from the rotating block. Through the adjusting mechanism, the thickness of the plastic sealing line at different positions can be adapted, the stress at different positions can be uniformly guaranteed, and the sealing pressure can be adjusted.

The application provides a high-altitude simulation test cabin penetrating support structure, which specifically comprises a test cabin body, a cabin support assembly, an engine mounting rack and a rack support assembly. The test cabin body is installed on a factory building foundation through a plurality of cabin support assemblies. A rack concrete foundation is arranged on the factory building foundation below the test cabin body. The engine mounting rack is located in the test cabin body. A gap is maintained between the engine mounting rack and the test cabin body. The engine mounting rack is installed on the rack concrete foundation through a plurality of rack support assemblies penetrating the bottom of the test cabin body. A through hole is arranged in the sidewall of the bottom of the test cabin body for the rack support assembly to penetrate. A gap is arranged between the engine mounting rack and the test cabin body. A gap is arranged between the rack support assembly and the through hole. The edge of the through hole and the rack concrete foundation are sealingly connected through a sealing sleeve assembly. The safe operation of the test equipment is ensured, and the measurement accuracy of the engine performance parameters is ensured.

A safety sealing wire harness structure formed by winding comprises a wire harness body and composite sealing structures arranged at the two ends of the end of the wire harness body. Wherein the wire harness main body sequentially comprises a wire, a basic insulating layer, a gradient sealing layer, a dynamic buffer layer and a protective layer from inside to outside, and the composite sealing structure comprises a corrugated sealing sleeve and a double-phase sealant filled in the corrugated sealing sleeve. The safe sealing wire harness structure formed by winding is reasonable in design, adopts the design of combining a four-layer gradient winding structure and an end part composite sealing structure, and can meet the requirements of safety, sealing and the like of the wire harness in different fields and different environments.

The utility model relates to filter equipment technical field discloses a filter box of leakage prevention, including base, the base upper surface fixedly connected with filter drum, filter drum outer wall one side fixedly connected with air inlet pipe, air inlet pipe outer wall fixedly connected with sealed cavity no.

The utility model belongs to the field of ceramic blank film sealing, especially a kind of ceramic blank film sealing device, after the existing ceramic blank is mixed, shape is made into long cylindrical shape, to reduce the drying speed of blank, usually artificial is wound on blank using film, since blank has certain weight, greatly increase the labor problem of personnel under the condition of long time work, present and propose following scheme, it includes base and the film roll for carrying out film sealing to ceramic blank, the top side of base is fixedly arranged with the placing rack for placing film roll, by drive mechanism, film can be stably and quickly wound on ceramic blank, improve film sealing efficiency, simultaneously replace the mode that traditional artificial is wound on blank using film, significantly reduce the labor intensity of operator, the spacing between first U-shaped frame and second U-shaped frame can be adjusted by adjusting mechanism, to adapt to the ceramic blank of different diameter thickness size.

The utility model relates to the technical field of sealing, and discloses a high-pressure combined sealing ring which comprises a pipeline, a buffering mechanism is arranged on the outer wall of the pipeline, a replaceable lip mechanism is arranged on the outer wall of the buffering mechanism, and the replaceable lip mechanism is used for independently replacing a lip piece when abrasion occurs. An energy storage slow-release mechanism is arranged on the outer wall of the replaceable lip mechanism, a partial pressure slow-release mechanism is arranged on the outer wall of the energy storage slow-release mechanism and used for relieving the problem of lip piece load concentration so as to facilitate partial pressure, and an auxiliary lip is arranged on the outer side of the partial pressure slow-release mechanism. The multiple piston cylinders stretch out and draw back under the action of pressure to achieve pressure division, the piston rods transmit pressure changes, the spring buffers the pressure, the problems that a sealing ring cannot maintain balanced sealing in the pressure changes and lacks a pressure slow release mechanism are solved, abrasion of a main lip opening is relieved, the leakage risk is reduced, and the sealing requirement under the high-pressure complex working condition is met.

This utility model belongs to the field of charging system technology and proposes a universal charging base, including a base body. The base body is fitted with a fast charging end and a slow charging end. The fast charging end connects to a docking plate. Two through-tubes are provided on the other side of the docking plate. Each through-tube has an internal mounting cavity containing a snap-fit ​​piece. Mounting holes are formed on the side walls of the mounting cavities, and bolts are slidably fitted into these holes. The bolts pass through the snap-fit ​​pieces and connect to the inner wall of the mounting cavities. A tail end cap is fitted onto the end of each through-tube. The slow charging end connects to a slow charging socket. A tail end sleeve is fitted onto the other end of the slow charging socket. The inner cavity of the slow charging socket has multiple power plugs, and the inner cavity of the tail end sleeve has multiple docking slots. This universal charging base proposes inserting a snap-fit ​​piece with a DC cable into the mounting cavity and using bolts to fix the snap-fit ​​piece to the through-tube. A tail end sleeve with a slow charging AC cable is fitted onto the slow charging socket. The specifications of the base body, fast charging end, slow charging end, docking plate, through-tubes, and slow charging socket are standardized.

The suspension oil distribution disc structure of the steering pump comprises a pump body, a pump shaft, a stator, a rotor, an oil distribution disc and a pump cover, the stator is installed in the pump cover, the oil distribution disc is installed at the left side end in the pump body, the pump shaft is rotationally connected to the pump body, the rotor is fixed to the pump shaft, and the pump cover is installed and fixed to the right end side of the pump body. An inner sealing groove and an outer sealing groove are distributed in the left side end of the oil distribution disc along the inner ring and the outer ring respectively, an inner sealing ring and an outer sealing ring are arranged in the inner sealing groove and the outer sealing groove respectively, an inner sealing check ring capable of moving inside and outside the inner sealing groove is further arranged in the inner sealing groove of the oil distribution disc, and the inner sealing check ring is located on the outer side of the inner sealing ring. An outer sealing ring check ring capable of moving inside and outside the outer sealing groove is further arranged in the outer sealing groove of the oil distribution disc, and the outer sealing ring check ring is located on the outer side of the outer sealing ring. The sealing device has the advantages that the structure is simple, the sealing requirement under high and low pressure can be effectively met, the processing requirement is not high, and meanwhile, the problem of inward sucking displacement movement of the O-shaped ring under high pressure is solved.

The utility model relates to the technical field of valve body discloses a kind of bidirectional sealing eccentric half-ball valve, including valve body, the valve body top end is fixedly connected with support plate, the support plate top end is fixedly connected with fixed frame, the fixed frame inner wall is rotatably connected with the rotation bar one, the rotation bar one outer wall is connected with the rotation bar two by limiting component, the rotation bar two bottom end is fixedly connected with sealing ball, the valve body left and right two ends are fixedly connected with the connecting pipe one, the sealing ball is arranged in the inner wall of two connecting pipes one, two The outer wall of the proximal end of the connecting pipe one is connected with the connecting pipe two by the sleeve one. In the utility model, when opening valve, only need to press the handle and rotate, simple and convenient operation. And under non-human state, the action of spring one makes the limiting rod separate from the clamping groove of rotation bar two, avoid handle accidental rotation and drive sealing ball movement, prevent valve misoperation, improve the safety and reliability of valve use.

The utility model relates to the field of cosmetic packing materials, in particular to a replaceable cosmetic container and a replaceable inner bottle. A replaceable cosmetic container comprises an outer bottle, a connecting piece and a lotion conveying device, a replaceable inner bottle is provided with a lotion outlet section, and the connecting piece is provided with a sealing seat matched with the lotion outlet section; the sealing seat is matched with the liquid outlet section to form a first sealing position and a second sealing position, the sealing seat is provided with an annular sealing surface, and the annular sealing surface is matched with the top surface of the liquid outlet section to form the first sealing position; a protruding sealing section is arranged on the annular sealing face, and the outer wall of the sealing section is matched with the inner wall of the liquid outlet section to form a second sealing position. According to the utility model, the sealing seat is arranged, and the sealing seat forms a double-sealing position by replacing the liquid outlet section of the inner bottle, so that the sealing reliability is improved; wherein the outlet caliber of the replacement inner bottle is generally poor in dimensional accuracy, the double sealing positions of the sealing seat can meet the sealing requirements of the replacement inner bottles with different tolerances, and the sealing seat has wide popularization and application values.

The utility model discloses a high-stability sealing roller for metal rolling, and relates to the technical field of sealing rollers, the high-stability sealing roller for metal rolling comprises a roller shaft, the roller shaft is provided with a roller cylinder; the roll shaft comprises a center shaft, roll necks are symmetrically arranged at the two ends of the center shaft, sealing rings are connected to the roll necks, sealing pieces are arranged in fixing grooves in the bottoms of the sealing rings, sealing sleeves are installed at the upper ends of the sealing rings, and the sealing rings are arranged on the inner sides of the sealing sleeves. When the roller is used, firstly, the roller necks at the two ends are installed on installation stations, the connecting rings and the top rings are installed on the roller necks, the springs are arranged between the connecting rings and the top rings, and when the sealing gaps of the sealing faces of the connecting rings and the top rings are changed due to abrasion, shaft movement, thermal expansion and the like, the springs are arranged on the connecting rings and the top rings. The spring can automatically stretch out and draw back according to the stress condition to push the top ring to move in the roller neck direction, so that the sealing face is always kept in a good attaching state, changes of a sealing gap are compensated, the sealing performance is maintained, and the stability of the roller is improved.