32results about How to "Easy to come out" patented technology

The invention discloses a hose depoling method, in specific: after a hose model is molded, high-pressure medium is led to the contact surface between a model core and a hose; the high-pressure medium leads the hose to have radial expansion, and the model core is taken out after the hose and the model core mutually separate. A hose depoling device used for applying the method comprises a support device and an annular plug; wherein the support device is used for supporting the hose with the model core; one end of the annular plug is inserted into the contact surface between the model core and the hose; the annular plug can be used for leading the high-pressure medium to the contact surface between the model core and the hose; the high-pressure medium leads the hose to have radial expansion, and the model core is taken out after the hose and the model core mutually separate. By means of the characteristics of high-pressure air or high-pressure water, the method and the device can easily take out the hose with multiple corrugations and long length, thereby solving the problems of difficult depoling and depoling fail of the prior art. Furthermore, the device has the advantages of simple structure, high efficiency and low cost, etc.

A landing door foot protection plate belongs to elevator mechanical parts and comprises a protection plate body. A groove is arranged on the protection plate body, and at least two connection rods arranged in parallel are connected in the groove. Due to the fact that the groove is arranged on the protection plate body and the connection rods are connected in the groove, a ladder is formed, and maintainers can come out from a lift car conveniently and can reach a crawling ladder of a shaft. The landing door foot protection plate is simple in structure and convenient to use, has the effective effects of protection and isolation, and can serve as the ladder. The maintainers can move from the lift car to the shaft conveniently, and safety is improved.

The embodiment of the invention relates to a screen mounting leveling tool. A screen is formed by splicing and fixing at least two LED boxes, the screen mounting leveling tool comprises a leveling base plate and at least two pull hooks; and the leveling base plate comprises a first surface, the first surface is a plane, the leveling base plate is provided with at least two second through holes, and the pull hooks each comprise a hook part and a pulling part which are fixedly connected. When the screen mounting leveling tool is in a working state, the leveling base plate is located above the two adjacent LED boxes, the first surface faces one sides of the LED boxes, the pulling parts can penetrate through the second through holes in an up-down moving mode, the pull hooks can pull the LED boxes to move up and enable the top surfaces of the LED boxes to abut against the first surface, the mutually fixed positions of positioning pins and positioning pin holes and the mutually fixed positions of lock catches and lock catch buckling positions are finely adjusted, and the height drop of a screen body due to the accumulated mechanical tolerance is eliminated.

The invention discloses a feed system based on an oil superheater for the production of phthalic anhydride, which includes a tube reactor, a feed tube is arranged on the outer surface of the upper end of the tube reactor, and one of the feed tubes is The outer surface of the side is provided with an air pipe, the outer surface of one side of the tube reactor is provided with a crude benzene storage bin, the outer surface of the upper end of the crude benzene storage bin is provided with an oil superheater, and the other side of the crude benzene storage bin A steam generator is arranged on the outer surface of one side. The other outer surface of the steam generator is provided with a first distillation tower, the upper outer surface of the first distillation tower is provided with a waste gas filter mechanism, and the other outer surface of the first distillation tower is provided with a connecting pipe . A feed system based on an oil superheater for the production of phthalic anhydride according to the present invention facilitates the production of phthalic anhydride, increases safety, and prevents waste gas from being directly discharged, causing pollution, etc., bringing Better prospects for use.

The invention relates to a fiber smoke sensor which comprises a bottom casing, a smoke chamber and a surface cover, wherein the middle portion of the bottom casing is connected with the smoke chamber, the smoke chamber is covered in the surface cover, the smoke chamber is internally provided with a fiber inlet portion and a fiber outlet portion in left and right symmetry and structural consistency, a fiber bearing groove and an interboard gap clamped between a fiber bearing pedestal and a fiber pressing top board in the fiber inlet / output portion are communicated with a fiber through groove, a smoke input portion in the smoke chamber comprises smoke input sheets which are arranged uniformly in the same circle along a bottom disk portion, a smoke input channel is formed between the adjacent smoke input sheets, the smoke input portion is also provided with two gaps of the smoke chamber so that the fiber bearing pedestal can be clamped, and the surface cover and the smoke chamber are provided with light guide holes into which light guide columns can be inserted cooperatively. According to the invention, alarm can be raise automatically when fibers sense smoke, the defects caused by electric signals, electronic components and an ion source in the prior art are avoided, interference by environmental light can be avoided, the smoke gathering and insect prevention effects are good, the sensitivity is higher, and the manufacture and use cost is lower.

The invention discloses a human face key point expansion calculation method, storage medium, electronic equipment and system, and relates to the field of live image processing, including establishing a world coordinate system based on the position of the human face; taking the center point of the nose and the bridge of the nose in the human face, Calculate the rotation angle ɑ of the face on the xy plane; take any two points C(x, y) and D(x, y) of the 68 key points of face recognition, and calculate the key point F(x , y) reference point E (x, y); calculate the distance L1 between the key point F (x, y) and the reference point E (x, y) of the forehead of the person's face to be requested; calculate the key point of the forehead of the person's face to be requested F(x,y). The invention can realize the calibration of the position coordinates of the key points of the forehead of the human face.

A burner for a cooking stove comprises an upper layer flame hole, a lower layer flame hole, and an ignition flame hole, the upper and the lower layer flame holes are placed on a circumferential surface of a burner head formed of a lower head component and an upper head component, wherein the lower layer flame hole is determined between the lower head component and a burner main body, the upper layer flame hole is determined between the upper head component and the lower head component. Therefore, the burner is not ignited in the case of forgetting to set the upper head component, which can prevent backfire or poor burning because the flame transfers to the mixed gas for the upper layer flame hole. The solution is that: an objective part opposite to a spark plug is arranged on one of the lower head component and the upper head component; the ignition flame hole, which is placed in the circumferential surface of the lower head component and on the lower side of the objective part, communicates the space between the lower head component and the upper head component; furthermore, the ignition flame hole is formed in a way of facing toward the circumferential surface of the lower head component and inclining downward.

The invention discloses a hose depoling method, in specific: after a hose model is molded, high-pressure medium is led to the contact surface between a model core and a hose; the high-pressure medium leads the hose to have radial expansion, and the model core is taken out after the hose and the model core mutually separate. A hose depoling device used for applying the method comprises a support device and an annular plug; wherein the support device is used for supporting the hose with the model core; one end of the annular plug is inserted into the contact surface between the model core and the hose; the annular plug can be used for leading the high-pressure medium to the contact surface between the model core and the hose; the high-pressure medium leads the hose to have radial expansion,and the model core is taken out after the hose and the model core mutually separate. By means of the characteristics of high-pressure air or high-pressure water, the method and the device can easily take out the hose with multiple corrugations and long length, thereby solving the problems of difficult depoling and depoling fail of the prior art. Furthermore, the device has the advantages of simple structure, high efficiency and low cost, etc.

The invention discloses a fixing structure of an engine cover strut and a vehicle, belonging to the technical field of vehicle components. The structure includes a support plate and a clamping mechanism; a first opening opening upward is formed between the support plate and the clamping mechanism; the clamping mechanism is formed with a clamping groove, which is suitable for clamping the engine cover strut, The groove is formed with a second opening on the side facing the support plate; the second opening communicates with the first opening, and a channel suitable for allowing the engine cover strut to pass is formed between the second opening and the first opening, and the clamping groove and the channel are formed between the second opening and the first opening. All are in a through state in the first direction, and the first direction is the length direction of the engine cover strut when it is located in the clamping groove. Therefore, the structure can not only fix the engine cover stay, but also save the user's effort when pulling out the engine cover stay.

The invention discloses a double-air-bag tracheal foreign body extractor which comprises a hollow hose, an extraction air bag, a supporting air bag and a conical elastic soft head, wherein the extraction air bag, the supporting air bag and the conical elastic soft head are connected with the hollow hose. The longitudinal section of the extraction air bag is in a double-U shape, and the extraction air bag is made of materials which are good in elasticity and strength. The longitudinal section of the supporting air bag is in a shape like a Chinese character 'ao', and the supporting air bag is made of materials which are good in strength and poor in elasticity. The two air bags are connected with an inner cavity through air holes formed in the wall of the hollow hose encircled by the two air bags. The front end of the hollow hose is connected with the conical solid elastic head. The glottis is exposed through a laryngoscope, the extractor is coated with lubricating oil, when the conical elastic soft head is put into trachea and gradually put deep into the position close to the tracheal bifurcation, a moderate amount of gas is injected into the hollow hose through an injector until the hollow hose can be pulled out exactly, then the hollow hose is pulled out slowly until the hollow hose is close to the glottis, then the moderate amount of gas is injected again, the diameter of the front end of the hollow hose becomes small until the hollow hose can pass the glottis easily, the air bags are pulled out, and foreign bodies can be taken out. The double-air-bag tracheal foreign body extractor has the advantages of being convenient and fast to use, free of a bronchoscope, free of secondary injury and capable of taking out a plurality of small foreign bodies at a time.

The invention discloses an easy-to-install communication optical fiber adapter, which includes a first connector warehouse and a second connector warehouse. The first connector warehouse is provided with a first contact head inside, and the second connector warehouse is provided with a first contact head inside. A second contact head that is compatible with a contact head. The first and second fixing rings are respectively installed on the outer ends of the first joint warehouse and the second joint warehouse that are close to each other. The first fixing ring is close to the second Four groups of plastic buckles are evenly installed on one end of the fixing ring. In the present invention, through the cooperative use of the buffer assembly, the first splicing chamber and the second splicing chamber, when the optical fiber is pulled suddenly, the optical fiber will immediately drive the mounting block away from the second splicing chamber, and the spring will be elongated and store elastic potential energy during the process , to buffer the force given to the installation block by the fiber optic cable, avoiding the fiber cable being pulled suddenly and causing the connection between the fiber cable and the second contact head or the first contact head to become loose, thus ensuring the stability of the fiber optic adapter to transmit data sex.

An embodiment of the present invention relates to a screen installation leveling tool, the screen is formed by splicing and fixing at least two LED boxes, the screen installation leveling tool includes a leveling base plate and at least two pull hooks; the leveling base plate includes The first surface, the first surface is a plane, the leveling substrate is provided with at least two second through holes, the pull hook includes a fixedly connected hook portion and a pulling portion, when the screen installation leveling tool is in the In the working state, the leveling substrate is located above two adjacent LED boxes and the first surface is facing one side of the LED boxes, and the pulling part can be moved up and down through the second through hole, The pull hook can pull the LED box to move up and make the top surface of the LED box contact the first surface, so that the positioning pin and the positioning pin hole, the lock buckle and the locking buckle position are fixed to each other. Fine-tuning to eliminate the height difference of the screen caused by accumulated mechanical tolerances.

The invention discloses a fixing structure of an engine cover supporting rod and a vehicle, and belongs to the technical field of vehicle parts. The structure comprises a supporting plate and a clamping mechanism, wherein a first opening which is opened upwards is formed between the supporting plate and the clamping mechanism; a clamping groove is formed in the clamping mechanism, the clamping groove is suitable for clamping the engine cover supporting rod, and a second opening is formed in the side, which faces the supporting plate, of the clamping groove; the second opening is communicated with the first opening, a channel allowing the engine cover supporting rod to pass through is formed between the second opening and the first opening, the clamping groove and the channel are in a through state in the first direction, and the first direction is the length direction of the engine cover supporting rod located in the clamping groove. By means of the structure, the engine cover supporting rod can be fixed, and labor can be saved when a user pulls out the engine cover supporting rod.