48results about How to "Break the seal" patented technology

The invention discloses a mechanical-hydraulic double-acting release rotary tail pipe hanger, and belongs to the technical field of manufacturing downhole tools for oil and gas well cementing operations in oil and gas development. The mechanical-hydraulic double-acting release rotary tail pipe hanger comprises a short drill pipe, an upper joint, a release mechanism, a double male joint, a male and female joint and a lower joint. The short drill pipe, the upper joint, the double male joint and the lower joint are connected in a threaded manner from up to down sequentially. The mechanical-hydraulic double-acting release rotary tail pipe hanger further comprises a loading mechanism comprising a hanger set hydraulic cylinder, a light-load bearing, conjoined twin slips, a conjoined twin cone, a heavy-duty bearing and a central pipe. The hanger set hydraulic cylinder, the light-duty bearing, the conjoined twin slips, the conjoined twin cone and the heavy-duty bearing are arranged on the central pipe from down to up sequentially. The central pipe is connected at the lower end of the male and female joint. The heavy-duty bearing is arranged between the male and female joint and the conjoined twin cone. By the aid of the mechanical-hydraulic double-acting release rotary tail pipe hanger, a tail pipe can rotate when the a tube pillar enters, after the hanger is set and is separated from a releasing release, the slips and the bearings bear the hanger, and functions of rotating and well cementing of a heavy-duty tail pipe is realized.

This invention provides a folding non-frame balcony window, comprising upper beam lower beam and several sashes, each of which is composed of glass plate, two side clamps, suspension gear structure and lower gear structure. Wherein, the suspension gear structure comprising central axis, pulley block and fixing plate, and its sliding rail consists of the upper rim of the first wheel bearing in pulley block located in the two medial wall of upper beam, the lower rim of second wheel bearing and sloping rim contacting the pulley block; lower gear structure consists of central axis, the third wheel bearing and fixing plate; back of side clamps forms a cavity located hinge and rivet, and the adjacent windows are loose jointed via upper and lower hinges located in the cavity. The invention has the advantages of convenient switch and long service life.

The invention relates to the technical field of agricultural irrigation equipment, and particularly relates to a loss-prevention agricultural canal irrigation device. The loss-prevention agriculturalcanal irrigation device can prevent foreign matter such as gravel and gravel from damaging a gate, has the positive effects of prolonging the service life of the gate and ensuring the sealing performance of the gate, has practical significance and popularization value, and can generate good economic benefits in an expected mode. The loss-prevention agricultural canal irrigation device comprises agate body, a driving device and a fixing device, wherein a gate plate which can ascend and descend in the length direction of the gate body and forms a moving pair with the gate body is arranged on the gate body; the driving device is used for driving the gate plate to ascend and descend; the fixing device is used for fixing the gate plate; a sliding block which forms a moving pair with the gate plate is arranged at the bottom end of the gate plate; a base is arranged on the gate body; the cross section of the sliding block and the cross section of the base are both in a wedge shape; and the sliding block is matched with the inclined surface of the base.

The invention discloses a mobile terminal, the mobile terminal comprises a sound chamber shell and a metal insert, wherein the sound chamber shell is provided with a groove and the metal insert is located in the sound chamber shell through injection molding, and the groove on the sound chamber shell and a mainboard of the mobile terminal form a loudspeaker sound chamber of the mobile terminal through surrounding. A first surface of the metal insert, facing towards the loudspeaker sound chamber, is provided with a first contact terminal, and a second surface of the metal insert, back to the loudspeaker sound chamber, is provided with a second contact terminal; the first contact terminal protrudes from a third surface of the sound chamber shell, is located in the loudspeaker sound chamber and is connected with the mainboard; and the second contact terminal protrudes from a fourth surface of the sound chamber shell and is connected with an antenna circuit board of the mobile terminal. Themobile terminal provided by the invention is beneficial for implementation of mutual optimization of audio effects and antenna performance.

The invention discloses a stable explosion-proof shell for a fuel gas detecting instrument. The stable explosion-proof shell comprises a seal housing (1) which is made from transparent ceramics, the seal housing (1) is provided with a scavenging port (101) on which a valve (4) is arranged, and the inner wall of the seal housing (1) is provided with a protective cover (3); a spring (5) is arranged between the tail part of a motor (2) and the protective cover (3), and one end of the scavenging port (101) adjacent to the seal housing (1) is fixed with a rubber cushion (102). The stable explosion-proof shell provided by the invention has the beneficial effects that a rubber cushion is arranged on the outer part of the scavenging port (101), and air passes through a vent hole of the rubber cushion, the scavenging port (101), a vent groove and the protection cover and then enters the seal housing when ventilation is needed; furthermore, when the seal is demanded, the valve is adhered to the rubber cushion to seal the vent hole and the vent groove in a matching way, so as to ensure the leakproofness.

The invention discloses an ejector pin sealing type gas blasting machine which comprises an inner pipe, an inner pipe filling cavity, an ignition mechanism, an inner pipe inflating mechanism and an outer pipe, wherein the inner pipe filling cavity is formed in the inner pipe; two ends of the inner pipe are hermitically connected with a first sealing inner cover and a second sealing inner cover respectively; the outer pipe is arranged on the outer layer of the inner pipe; a first sealing outer cover and a second sealing outer cover are hermitically connected between the inner pipe and the outer pipe; the ignition mechanism and the inner pipe inflating mechanism are mounted on the first sealing inner cover or the second sealing inner cover; an outer pipe inflating mechanism is mounted on the first sealing outer cover or the second sealing outer cover; a sealing cavity between the inner pipe and the outer pipe is an outer pipe filling cavity; the inner pipe filling cavity is filled with supercritical oxygen and carbonaceous organic materials; and the outer pipe filling cavity is filled with liquid gasification-liable substances such as liquid carbon dioxide or liquid nitrogen. The ejector pin sealing type gas blasting machine has the advantages of low manufacturing cost, high reaction material mixing uniformity, high heat release efficiency, high transportation safety and high blasting power.

A water cooling motor air leakage detection method disclosed by the present invention belongs to a leakage detection method of the sealing structural parts. By a machine sealing cavity leakage detection step, a motor cavity leakage detection step, a coolant gallery leakage detection step and a leakage detection test ending step, the air leakage detection of a water cooling motor is finished, thereby guaranteeing that before the water cooling motor is used, the sealing performances of the parts satisfy the usage demands, reducing the overhauling and reworking probability after the water coolingmotor is used, and reducing the maintenance cost.

The invention discloses a heliostat address setting method, device and system. By adopting a close-range wireless communication mode, address setting instructions are issued to multiple heliostats, and according to different intensities of wireless signals received by all the heliostats, a heliostat address setting data sheet is made. All the heliostats receive the address setting instructions, detect the intensities of instruction signals and query the heliostat address setting data sheet to obtain address values corresponding to the intensities of the instruction signals, and the address values are used as addresses of the heliostats. By adopting the method, a user does not need to manually open an electrical cabinet for dial-up setting, the leakproofness of the electrical cabinet is prevented from being damaged, and accordingly the service life of a hardware module in the electrical box is prolonged. Address setting of multiple heliostats can be completed at the same time, one-by-one setting is not needed, the address setting efficiency of the heliostats in a heliostat field is improved, the workload of construction personnel is greatly reduced, and the project progress is accelerated.

The invention provides an air supply purifying device and an air supply purifying method. The air supply purifying device is used for purifying sealed air supply of an air sealing assembly in a methanol synthesis system, and comprises an air supply purifying first module and an air supply purifying second module, wherein the air supply purifying first module and the air supply purifying second module are in alternate operation, or the air supply purifying first module and the air supply purifying second module are in simultaneous operation; each of the air supply purifying first module and the air supply purifying second module comprises a cooler and a coalescer; an inlet of each cooler is communicated with an outlet of a fresh air supply compressor; an inlet of each coalescer is communicated with an outlet of the corresponding cooler; each coalescer separates out entrained impurities in sealed supply air; an outlet of each coalescer is communicated with a sealing cavity formed by the air sealing assembly. The technical scheme solves the problem that the air sealing assembly cannot stably operate for a long period due to methanol and paraffin entrained in the air in the prior art.

The invention relates to the technical field of environmental equipment, and provides atmospheric environment detection equipment. The equipment comprises a rack, wherein the rack is provided with an annular groove; a negative pressure fan which is arranged on the rack, and a suction opening of the negative pressure fan is located in the annular groove; a working pipe, which is arranged in the annular groove in a sliding mode and provided with a working cavity, and the working cavity is provided with an inlet; a lifting table, which is arranged on the rack in a lifting mode and located above the annular groove; a sampling pipe, which is arranged on the lifting table and stretches into the working cavity after the lifting table ascends and descends; and a clamping and capping mechanism, which is arranged on the lifting table and located beside the sampling pipe. By means of the technical scheme, the problems that in the prior art, a sampler cannot well collect gas at different heights, the collection efficiency is low, the collection range is limited, the collected gas cannot be well stored, the service time is long, and the cost is high are solved.

The invention provides a valve with a filtering device, and solves the problem that in the prior valve, sundries accumulate at the bottom of the valve, so that a valve secondary seal is corroded and broken, and the valve loses the function. The valve comprises a valve body [2]; the valve body [2] is provided with a water inlet [3] and a water outlet [1]; and the water inlet [3] and the water outlet [1] of the valve are provided with filter screens [4] for sealing the water inlet [3] and the water outlet [1]. The valve can effectively solve the problem of the functional failure of the valve caused by the sundries and effectively reduce the production and maintenance cost.

The invention discloses a thimble sealed type trigger and a cracking device. The thimble sealed type trigger comprises a shell, a filling cavity, an ignition mechanism and an air inflation mechanism. The inside of the shell is the filling cavity, and the shell is connected with the sealed ignition mechanism and the air inflation mechanism. The filling cavity is filled with supercritical oxygen and carbonaceous organic material or elementary substance with reductibility. The air inflation mechanism comprises an air inflation hole, a valve rod and an air inflation valve seat. The middle of the air inflation hole is an air locking cavity, and the valve rod is movably installed in the air locking cavity through a thread structure. An ejector header and an ejector header sealed ring are installed at the top of the valve rod, and the ejector header is sleeved with the ejector header sealed ring. The thimble sealed type trigger and the cracking device have the advantages that manufacturing cost is low, mixing uniformity of reaction materials is high, heat releasing efficiency is high, and conveying safety is good.

The invention relates to the field of lithium battery production, and discloses a battery liquid injecting hole cleaning method and a cleaning device. The cleaning method comprises the following stepsof: determining a cleaning area on a battery cover plate, wherein the cleaning area is an area, which does not comprise the liquid injecting hole, in the periphery of the liquid injecting hole; determining a rotation angle of a first lens and a rotation angle of a second lens in a laser cleaning machine according to the cleaning area, wherein the first lens is inclined towards the right lower side, and the second lens is inclined towards the right upper side, the first lens is opposite to a laser head of the laser cleaning machine and is positioned at the right upper side of the second lens,the laser cleaning machine further comprises two motors which are separately connected with the first lens and the second lens for separately driving the first lens and the second lens to rotate. A cleaning method provided by the invention can clean an electrolyte solution in a peripheral area of the liquid injecting hole, does not clean the liquid injecting hole during cleaning, prevents the laser from breaking seal inside a battery; and the cleaning method is simple to operate, and is safe and reliable.

The invention discloses a cloud intelligent control method based on an industrial embroidery machine. According to the method, a cloud intelligent control module is adopted to transmit and use embroidery patterns; a cloud transaction control module is adopted to provide information and products of embroidery machine manufacturers and achieve direct transactions of purchasers and vendors. A cloud intelligent control system based on the industrial embroidery machine comprises a microprocessor, a communication module, a camera and a microphone, wherein the microprocessor is connected with the camera and the microphone; and the microprocessor is connected with the embroidery machine through the communication module. According to the scheme, an embroidery machine cloud transaction platform is created for a first time, industry resources are combined and regulated, the company marketing and purchase cost can be reduced, and multi-win-win situations can be achieved. The sealed state of a conventional research industry can be broken, and a completely novel idea and scheme are provided for solving industrial research reports. By adopting the scheme, conventional industry transformation andupgrading and interconnection can be accelerated, national fundamental policies at present can be met, and the method and the system can be widely applied to the field of communication.

The invention relates to the technical field of temperature control equipment, and provides a temperature detection device, storage equipment, a refrigerator and a storage chamber temperature control method. The temperature detection device comprises a sealed cavity and a pressure sensing module arranged in the cavity; the cavity is used for storing a phase change medium capable of generating phase change; and the pressure sensing module is used for collecting pressure in real time in the process that the phase change medium in the cavity changes from the first phase to the second phase. According to the temperature detection device, the storage equipment, the refrigerator and the storage chamber temperature control method, whether the target temperature is reached in the storage chamber or not can be judged in time according to the pressure change generated on the pressure sensing module when the phase change medium configured in the device generates phase change, and the wrong influence of external factors of the storage chamber on temperature detection is avoided; and energy loss is caused.

The embodiment of the invention provides a gun type camera. The gun type camera comprises a camera body; a partition piece is arranged in the camera body, the partition piece divides the inner space of the camera body into a first cabin and a second cabin located behind the first cabin, the first cabin is a closed cabin, and a wire penetrating opening used for allowing an external cable to penetrate is formed in the side wall of the second cabin; an optical device group is arranged in the first cabin. According to the gun type camera provided by the embodiment of the invention, the internal space of the camera body is divided into the first cabin and the second cabin by the separation piece, the first cabin is a sealed cabin adopting a sealed design, and the optical device group is arranged in the first cabin, so that the optical device group can be well isolated from external air. A threading opening of a camera tail wire is formed in the side wall of the second cabin, and in the field installation process of the gun type camera, in order to conveniently penetrate an external cable, the second cabin can be opened for threading operation.