38results about How to "Guaranteed air tightness requirements" patented technology

The invention relates to a nailing apparatus used for a sealing operation of a plastic nail of a lithium battery. The nailing apparatus comprises a moving assembly, a lifting assembly, a nailing assembly and a sealing assembly; the moving assembly comprises a first traction part and a sliding-moving part; the lifting assembly comprises a second traction part and a connecting piece; the nailing assembly comprises a third traction part and a material taking part used for drawing the plastic nail; the sealing assembly is fixedly connected to the third traction part; a sliding channel connected with an electrolyte injection opening of the lithium battery is formed in the sealing assembly to perform vacuumizing and protection gas inflating of the lithium battery, wherein the extension directionof the sliding channel is the same as the second direction; and the material taking part is connected with the sealing assembly in a sealing manner, and the third traction part can drive the materialtaking part to move in the sliding channel in the second direction. According to the nailing apparatus, high sealing of the electrolyte injection opening of the lithium battery is formed through thesealing assembly, and the plastic nail is pressed into the electrolyte injection opening when the electrolyte injection opening is sealed by the sealing assembly, so that the structure of processing equipment is simplified.

The invention belongs to the technical field of electrical equipment and particularly relates to a refrigeration longitudinal beam of a side-by-side combination refrigerator and the side-by-side combination refrigerator with the same. The refrigeration longitudinal beam comprises a longitudinal beam body sucked with left and right door seal magnetic strips; the longitudinal beam body is a plastic beam body; and the surface of the longitudinal beam body is covered with a magnetic plastic layer. The magnetic plastic layer is provided with a plurality of pairs of magnetic poles, so that the refrigeration longitudinal beam can be automatically sucked with door seals on both sides when doors are closed, and have good airtightness. Due to poor thermal conductivity and weak cold accumulation capacity of plastic, when the plastic is used as the surface material of the longitudinal beam, cold energy adsorbed from the refrigerator is less than that adsorbed when a steel plate is used as the surface material, the surface temperature is also relatively high and the refrigeration longitudinal beam has the advantages of good heat preservation effect, light weight, corrosion resistance and difficulty in generating condensation on the surface.

The invention relates to a pyroelectric detector based on current type relaxor ferroelectric single crystal. The pyroelectric detector comprises a hollow packaging tube shell, an optical filter, a sensitive element chip Up and a line substrate. The packaging tube shell comprises a tube cap and a base, the optical filter is embedded in a window formed in the upper surface of the tube cap, the lower end of the tube cap is fixedly connected with the base and forms a hollow seal structure with the base, the line substrate is arranged on the base and located in the seal structure, a suspension supporting frame is arranged on the line substrate, and the sensitive element chip Up is arranged on the upper surface of the suspension supporting frame and located under the optical filter; a feedback amplifying circuit is arranged on the line substrate, and the sensitive element chip Up is connected between the two input ends of the feedback amplifying circuit through the suspension supporting frame. The current type circuit is adopted, pyroelectric detector is high in capacity for resisting outside noise interference and capable of fast responding outside infrared radiation, and the time of startup preheating and signal stabilizing is shortened.

The invention provides a laser welding method for a stainless steel thick-wall pressure container. The pressure container comprises a high-pressure tank, a low-pressure buffering pressure container and a pipeline. Solution strengthening or ageing strengthening stainless steel materials are adopted in the high-pressure tank. A circular seam at the connecting position between the high-pressure tank and the low-pressure buffering pressure container is continuously welded through a laser. According to continuous welding parameters of the circular seam, when the tank wall thickness ranges from 5 mm to 10 mm, the laser power ranges from 4.2 KW to 7.5 KW, the welding speed ranges from 0.8 m/min to 1.5 m/min, the defocusing amount ranges from -2 mm to 3 mm, and the protection gas flow ranges from 15 L/min to 25 L/min. According to the laser welding method, the problem about welding strength of the high-strength stainless steel materials in a solution or ageing strengthening state is solved, the welding strength is high and stable, and equal-strength connection of base metal is achieved.

The invention comprises an air cylinder, are disposed in which an air cylinder cavity and a piston jacket. On both sides of the air cylinder cavity there are air cylinder walls, on which is disposed a labyrinth groove volume room and on the piston jacket are disposed throttle port and a volume room. The piston jacket and the air cylinder walls are separated to form small gaps.

The invention discloses a cable bundle flange filling and sealing method which mainly includes the steps: a, sealing a flange needing filling by the aid of a silicon rubber sealing ring; and b, filling fluid silicon rubber into the flange in a layered manner through a hole on the sealed flange until a filling rubber surface is parallel and level to the inner surface of the flange. The cable bundle flange filling and sealing method can overcome the defects of uneven rubber surface, easy leakage, poor sealing performance, low reliability and the like in the prior art, and accordingly has the advantages of even rubber surface, difficulty in leakage, fine sealing performance and high reliability.

The invention discloses a safety self-locking structure of a high-pressure hydrogen refueling gun. One radial installing hole is at least formed in a gun core shell of the high-pressure hydrogen refueling gun in the periphery direction. All the radial installing holes communicate with a gas refueling channel in the hydrogen refueling gun through a gas input channel. A self-locking sealing assemblyis arranged in each radial installing hole. Each self-locking sealing assembly can move along the corresponding radial installing hole to make contact with the inner wall of a gun head shell and canmake contact with the corresponding radial installing hole for sealing. Each self-locking sealing assembly comprises a sealing pin arranged in the corresponding radial installing hole, and a circle ofannular positioning groove is formed in the outer wall of each sealing pin. An O-shaped sealing ring and an open washer are sequentially nested in each annular positioning groove in the axial direction of the corresponding sealing pin, and each O-shaped sealing ring is located on the side close to the axis of the gun core shell. The structure has the advantage of improving use safety of the hydrogen refueling gun in the working state.

The invention discloses a multi-dimensional data measuring device for a lump coal drilling process. The multi-dimensional data measuring device comprises an adsorption tank for adsorbing and desorbinglump coal, a reference tank which has the same size as the adsorption tank and is used for balancing pressure, and a high-low temperature test box for accommodating the adsorption tank and the reference tank, a temperature measuring drill rod is arranged in the adsorption tank, a non-contact magnetic coupling matching mode is adopted, the adsorption tank is driven by a driving motor to rotate, and the temperature measuring drill rod moves up and down through a propelling device; and the reference tank and the adsorption tank are respectively communicated with a gas source system for supplyinggas, a vacuum pumping system for pumping gas and a gas collecting device through a branch gas path and a main gas path. According to the method, various dimension data in the lump coal drilling process of the drill bit can be measured in different temperature environments,wherein the parameters comprise drill bit temperature change, while-drilling parameter change, lump coal gas content data, drill bit drilling process gas real-time analysis quantity and gas adsorption expansion deformation real-time monitoring data.

The invention discloses a feedthrough filter, a manufacturing method thereof, and an implantable electrical stimulator. The feedthrough filter includes a feedthrough connector and a filter attached tothe feedthrough connector, wherein the feedthrough connector includes a ferrule, a feedthrough member, and at least one signal line; the ferrule is provided with an upper edge, a lower edge and an inner hole; the upper edge and the lower edge form an annular mounting groove for assembling with the outer side surface of the ferrule; the inner hole seals the feedthrough member; the inner hole and the feedthrough member have the identical shape and are matched and connected to each other; the feedthrough member is composed of a single or combined implantable ceramic or glass material, and formsa sealing body with the ferrule and the at least one signal line; and the at least one signal line passes through a first through hole in the feedthrough member for connecting an internal interface terminal and an external terminal of an electrical stimulator. By attaching the filter to the feedthrough connector, the feedthrough filter can satisfy the demand of a feedthrough connector and also hasfiltering performance.

The invention discloses a welding airtightness detecting device of a battery box. The detecting device comprises a detection bench arranged on a rack; a plurality of detection stations are arranged onthe detection bench; and an elastic base plate is arranged on the surface of the detection bench. A battery box is arranged on the elastic base plate of the corresponding the detection station. A punching cylinder is arranged above each detection station; when the punching cylinder is pressed down, the battery box is buckled on the elastic base plate in an airtightness manner; a pressurization air pipe connected to the inner cavity of the battery box and a pressure sensor are arranged on the elastic base plate of each detection station; the pressurization air pipe is used for leading compressed gas in the battery box; and the pressure sensor is used for detecting the air pressure of the inner cavity of the battery box and a display terminal is connected to the output terminal of the pressure sensor. According to the invention, a test problem of airtightness of the battery box is solved. The welding airtightness detecting device having advantages of simple operation, quick detection and accurate determination is suitable for batched detection.

The invention relates to a canopy airtightness test fixture, which is characterized in that: an airtight platform is positioned and connected on the upper surface of a base of a frame structure, and upright posts are respectively arranged in front and back of the lower surface of the base; a sealing rubber ring is arranged on the periphery of the airtight platform, and the lower edge of a canopy to be detected and the sealing rubber ring of the airtight platform are pressed, sealed and matched by an external pressure applying device; the external pressure applying device is composed of a front pressing device, a rear pressing device and a side tensioning device; an inspection hole is formed in the middle of the base and communicates with an inner cavity of a canopy to be detected, the bottom of the inspection hole is connected with a shielding cover plate, and the cover plate is in sealed connection with the base through bolts arranged on the circumference; the base is provided with a sealing joint for inflating and a sealing joint for vacuumizing, which communicate with the inner cavity of the canopy to be detected. The canopy air tightness test fixture is uniformly distributed, so that the pressing force is uniform in the automatic locking process, and the sealing performance is improved.

The invention discloses an easy-open can which comprises a bottle and a bottle cap. Two protrusions are circumferentially symmetrically arranged on the bottle cap, and a stress edge is arranged on a side of each protrusion. Grooves which are structurally matched with the protrusions are formed in the bottom of the bottle. The easy-open can has the advantages that the protrusions are additionally arranged on the bottle cap and are used as fulcrums, the corresponding grooves are additionally formed in the bottom of the bottle, accordingly, influence on stacking cans can be prevented, and the easy-open can also can be used as a can opener; the easy-open can is simple in structure and convenient to use, the arm of force is enlarged by the aid of a lever principle, the contact area of the hand of a user and the can is expanded, accordingly, the easy-open can is easy to open, and requirements on the air tightness of a container can be assuredly met.

The invention provides a ceramic shell, a ceramic packaging structure and a micro-system. The ceramic shell comprises a ceramic shell body, the ceramic shell body is provided with a first surface and a second surface which are oppositely arranged, the first surface is provided with an airtight packaging area and a non-airtight packaging area, the non-airtight packaging area is provided with a circular flip bonding pad, and the second surface is provided with an airtight packaging area and a lead. The airtight packaging area is formed by a kovar metal welding ring in an enclosing manner, a chip mounting area and/or a component mounting area are/is arranged in the airtight packaging area, and the chip mounting area is of a multi-layer cavity structure used for mounting bonding chips. According to the ceramic shell, various devices and chips can be installed on the first surface and the second surface, the air tightness requirement of a common bonding chip can be guaranteed through the airtight packaging area, a flip chip can be installed in the non-airtight packaging area, the heat dissipation requirement of a high-power flip chip can be met, and miniaturization and high integration level can be achieved.

The invention discloses an electronic cigarette capable of adjusting a butt joint position. The electronic cigarette comprises an electronic cigarette base, a position adjusting mechanism, a cigarettepaste heating assembly and a water filtering assembly. The position adjusting mechanism is arranged on the electronic cigarette holder, the tobacco paste heating assembly is provided with an air outlet end and an air inlet end, the water filtering assembly is provided with an air inlet end and a smoke suction end, and the position adjusting mechanism is connected with the tobacco paste heating assembly and/or the water filtering assembly so as to adjust the relative position of the tobacco paste heating assembly and the water filtering assembly, so that the air outlet end of the tobacco pasteheating assembly can be in butt joint with the air inlet end of the water filtering assembly; the position of at least one of the tobacco paste heating assembly and the water filtering assembly can be adjusted through the position adjusting mechanism, so that the air outlet end of the tobacco paste heating assembly can directly face the air inlet end of the water filtering assembly, the air tightness requirement in the using process can be guaranteed, and the product using quality is improved.