55results about How to "Uniform sealing effect" patented technology

An ultrasonic sealing apparatus comprises at least one horn having an elongated sealing face for sealing a packing material. Plural converters are erected on a side of the horn opposite to the sealing face for resonating the horn with a vibrating frequency. The ultrasonic sealing apparatus has a length that is one wavelength of the vibrating frequency and is fixed in position to a sealing jaw at a nodal plane of the vibrating frequency.

The invention relates to a pipeline connecting technique, in particular to a sliding compact type aluminum-plastic laminated pipe fitting, comprising a main pipe fitting body (1) provided with a pipe internal stay (10) on at least one end, an element rest (11) which is arranged at the outside diameter of the pipe internal stay (10) and is pressed into a port (31) of an aluminum-plastic laminated pipe (3) that is enlarged in a cold way when in installation, a ring-shaped sliding compact blocking sleeve (2) that is matched with the pipe internal stay (10) and can be sheathed into the external diameter of the aluminum-plastic laminated pipe (3) in a way of clearance fit, and a chamfer angle (20) is arranged at the port of the inner wall at the left end (29) of the sliding compact blocking sleeve (2) that is fixed at a part (30) of the aluminum-plastic laminated pipe (3) enlarged in a cold way after being installed. Compared with the prior art, the sliding compact type aluminum-plastic laminated pipe fitting has the advantages of small diameter shrinkage, even connection stress as well as better applicability and market prospect, and is suitable for being surface mounted and buried in a hiding way, so as to be safer and more reliable.

The invention relates to a water tank seal component and a water heater using the same and belongs to the technical field of water heaters. The water tank seal component comprises a tube seat which is welded on the outside of a penetration hole of a water tank cylinder of the water heater, the tube seat and the water tank cylinder are made of the same materials, and the penetration hole is provided with a circular inner flange. An inner threaded hole with the drift diameter larger than the diameter of the penetration hole is formed in the tube seat. A seal plug with a central through hole is arranged in the tube seat and comprises an outer taper and a lining ring, wherein the small end of the outer taper is outward, the lining ring extends into the penetration hole from the through hole, and a round tube stretching into a barrel of a water tank of the water heater is inserted into the through hole. By means of the water tank seal component and the water heater using the same, radial and axial force components are produced by the outer taper surface of the seal plug, positive pressure between a seal plug inner hole and the outer circle surface of the round tube as well as between the inner end surface of the seal plug and the outer surface of the water tank cylinder is formed, and accordingly the reliable radial and axial seal is guaranteed; moreover, the circular tube vibration is completely separated from the water tank while electrochemical corrosion is eradicated, and accordingly, an ideal vibration absorption effect is provided.

The invention relates to a sealing device of a dryer, in particular to a sealing device applied on the end of a dryer tumble. The sealing device comprises a tumble support ring; the side surface of the tumble support ring is evenly provided with a wear resistant elastic part; the end of the tumble is arranged on the tumble support ring; the end face of the tumble is axially extruded on the wear resistant elastic part. The wear resistant elastic part comprises a wear resistant felt layer and an elastic felt layer. Because of the structure, the sealing device on the end of the dryer tumble can seal evenly; in addition, in the device, a wear resistant double-layered sealing strip is adopted, so that the sealing device on the end of the tumble can automatically compensate the wear of the tumble to the sealing strip, and the sealing does not become uneven because of longer working time; the device has better sealing effect to the end of the dryer tumble.

The invention provides a cooking utensil and an upper cover of the cooking utensil. The upper cover of the cooking utensil comprises an upper face cover, a first actuation part, a material discharge cavity door and a second actuation part, wherein the upper face cover is provided with a washing cavity body, and the washing cavity body is provided with a material discharge hole for discharging materials; the first actuation part is arranged on the upper face cover; the material discharge cavity door can cover the material discharge hole, or can translate in a plane vertical to the central axisof the material discharge hole to be separated from the material discharge hole, so that the material discharge hole is open; the second actuation part is fixed on the material discharge cavity door,is used for realizing actuation and fixing with the first actuation part when the material discharge cavity door covers the material discharge hole, and is separated from the first actuation part whenthe material discharge cavity door is separated from the material discharge hole. For the upper cover of the cooking utensil provided by the technical scheme, by utilizing the actuation and fixing ofthe first actuation part and the second actuation part, the stable covering of the material discharge cavity door with the material discharge hole can be guaranteed, and meanwhile, the purposes of reducing driving energy consumption and reducing fatigue damage of a power device are achieved.

The invention relates to a protective cover, comprising a plurality of protective cover segments (1), which can be moved in relation to one another telescopically and which each have a covering leg (2) and a supporting leg (3), and comprising a connecting element or bellows (4). When the protective cover is telescopically extended, an elastic restoring element produces a torque (M) and transfers said torque to the supporting leg (3). The invention is characterized in that the elastic restoring element is an integral component of the connecting element (4), in that the connecting element (4) has flexural rigidity and is connected to the supporting leg in a planar manner along a height range (H) of the supporting leg (3). Because of the invention, an additional elastic restoring element and the fastening thereof to the supporting leg are no longer necessary. Thus, the fully compressed size, weight, and production complexity of the protective cover can be reduced, and the leak-tightness and operational reliability are improved.

The present invention relates to a seal in the tool side of a straight or contra angle handpiece head for sealing the interior of straight or contra angle handpieces. The seal is characterised by a spring, which prestresses a gasket of compressible elastic material against a fixed component and a rotating disk located in the immediate vicinity of the seal. Moreover, the present invention relates to a straight or contra angle handpiece with such a seal.

The invention relates to a rotor (1, 21, 41) for a camshaft adjuster (61), comprising a rotor base body (3, 23, 43) and a number of rotor blades (5, 25, 45) extending radially outwards and located on the rotor base body (3, 23, 43), each of said blades having a blade end (7, 27, 47). To reduce leakage, the blade ends (7, 27, 47) of the rotor blades (5, 25, 45) take the form of sealing fins (9, 31, 49) that can be deformed radially outwards. A rotor (1, 21, 41) of this type affords the possibility of reducing leakage in a camshaft adjuster (61) using simple engineering and without added costs. The invention also relates to a camshaft adjuster (61) for an internal combustion engine, comprising a rotor (1, 21, 41) of this type.

The invention relates to a bolt pre-tightening tool for a submarine hoop connector. The tool comprises a casing system, a speed reducing system, a transmission system and a tightening system; the speed reducing system is mounted in a casing and is connected with the upper end of the transmission system through universal joint pins; the lower end of the transmission system is connected with the tightening system through universal joint pins; and the tightening system is mounted in a lower casing. The working principle of the tool is as follows: a hydraulic motor rotates to drive a pinion to rotate, the pinion is decelerated by reduction gears to transfer motion to transmission gears, the transmission gears transfer the rotating motion to transmission shafts, then the transmission shafts transfer the rotating motion to tightening sleeves, finally, bolts are driven by the tightening sleeves to rotate, and then the purpose of tightening the multiple bolts simultaneously is achieved. Compared with the prior art, the tool has the advantages as follows: the bolts can be pre-tightened quickly for the submarine hoop connector, then the underwater auxiliary connecting time can be shortened,quick repair and connection of a submarine pipeline can be realized, the repair cycle of the submarine pipeline can be shortened, and the comprehensive cost for ocean oil and gas transmission can be reduced.

A casing in which an electric connector is housed, including a floor, and a wall standing perpendicular to the floor, the wall being formed with an opening, when a part of the electric connector projects outwardly through the opening, a seal formed around the part making close contact with an inner edge of the opening, the casing further including a first positioning unit for positioning the electric connector relative to the opening in a first direction defined as a length-wise direction of the wall, and a second positioning unit for positioning the electric connector relative to the opening in a height-wise direction of the wall.

The invention provides a fixing device for a micro-drop detection chip. The fixing device comprises a rigid bottom plate and a rigid flip cover, and the rear ends of the rigid bottom plate and the rigid flip cover are connected through a rotating shaft to form a rotating pair; the bottom plate is used for accommodating the micro-drop detection chip, and the bottom plate and the flip cover are matched to realize rigid clamping of the micro-drop detection chip; when the micro-drop detection chip is detected, a connecting pipe comprising at least two detection pipes is placed, a groove for accommodating the micro-drop detection chip is arranged on the bottom plate, and an elastic device is arranged at the bottom of each groove for eliminating bottom tolerance for accommodating the micro-dropdetection chip. The elastic device is additionally arranged at the bottom of each pipe of the connecting pipe, so that the overall tolerance between the connecting pipe and the chip plane can be compensated, the sealing force is more uniform, the sealing effect is more uniform, the flow of liquid in all flow channels of the chip is more uniform, and the detection result of the whole instrument ismore stable.

In a spray arm for a dishwasher, comprising a first spray arm part and a second spray arm part, of which the first spray arm part comprises a groove which extends substantially along the circumference of the first spray arm part, said groove being formed by a first, inner groove wall and a second, outer groove wall, and of which the second spray arm part comprises a web wall which extends substantially along the circumference of the second spray arm part and engages with the groove, the web wall comprises a first latching element which, in order to establish a latching connection between the first and the second spray arm part, is designed to interact with a second latching element which is located on one of the groove walls.

The invention relates to a continuous tea dragon bead packaging production line which comprises a feeding device. A first rotary device is arranged below the feeding device, wrapping mechanisms are arranged on the first rotary device, and each wrapping mechanism comprises a limiting assembly and a supporting assembly. A second rotary device cooperating with the first rotary device is further arranged above the first rotary device, and screwing mechanisms are arranged on the second rotary device. A screwing channel is formed between the first rotary device and the second rotary device. Each screwing mechanism comprises a pressing assembly, a tightening assembly and a rotation assembly. A bundling mechanism cooperating with the screwing mechanisms is further arranged at the position, on the rear side of the screwing channel, of the moving path of the first rotary device. Through the arrangement of the feeding device, the first rotary device, the wrapping mechanisms, the second rotary device, the screwing mechanisms and the bundling mechanism, the defect that in the prior art, tea dragon bead packaging still needs manual operation is effectively overcome, a large amount of manpower and time are saved through automatic production, the packaging processing efficiency is improved, and better market benefits can be obtained.

A gasket includes at least one metal plate to be clamped between two members fastened by fastening devices, an opening portion corresponding to a sealing hole provided in the at least one metal member, a seal bead protruding outwardly from a flat surface of the at least one metal plate, and annularly surrounding the opening portion, and insertion holes through which the fastening devices pass. At least one metal plate is formed by a martensitic stainless steel plate, and a high hardness portion having a hardness higher than that of the stainless steel plate is formed in at least one portion of the seal bead formed in the stainless steel plate.

The invention discloses a multipurpose metal film layer vacuum coating production line. The production line comprises an inlet chamber, an inlet buffer chamber, an inlet conveying chamber, a sputtering chamber, an outlet conveying chamber, an outlet buffer chamber, an outlet chamber and a quality inspection chamber, wherein the inlet chamber, the inlet buffer chamber, the inlet conveying chamber,the sputtering chamber, the outlet conveying chamber, the outlet buffer chamber and the outlet chamber are connected in sequence; transferring rollers connected with each other are arranged in the inlet chamber, the inlet buffer chamber, the inlet conveying chamber, the sputtering chamber, the outlet conveying chamber, the outlet buffer chamber and the outlet chamber; a film coating quality inspection roller and a quality inspection system are arranged in the quality inspection chamber; the transferring roller in the outlet chamber is connected with the film coating quality inspection roller;and the transferring rollers and the film coating quality inspection roller are used for transferring a film coating substrate. According to the multipurpose metal film layer vacuum coating productionline, mass and low-cost production of various coatings are achieved with high sputtering deposition rate and strong process universality; an element diffusion path is short with no intermediate product and no element evaporation, so that the preparation speed and the efficiency are high, the yield is 95% or above, and the production line is particularly suitable for large-scale industrial production.

A separator assembly used for a fuel cell includes one pair of metal separators joined together and including a bead seal section including one pair of seal bead portions projecting in opposite directions respectively, an elastic body disposed in the bead seal section, and a first communication hole which extends through the separator assembly in a thickness direction of the separator assembly and which allows a reaction gas or a coolant to flow through the separator assembly. The bead seal section is disposed along an outer periphery of the separator assembly and along a shape of the first communication hole. The elastic body of a predetermined length is disposed in the bead seal section.