Abstract: The present invention relates to the technical field of hand pump, in particular to a novel single-material hand pump, which includes a pressure head, a valve stem, an elastic part and a cylinder, wherein the bottom of the pressure head is fixedly connected with the valve stem, the cylinder is arranged at the bottom of the valve stem, the valve stem is connected with the cylinder in an embedded way, not only the elliptical columns contract uniformly under pressure and have good resilience, but also the elastic part is made of elastoplastic, the separate removal of metal spring is not required for saving the treatment time and improving the environmental protection, and the air holes are used for absorbing or discharging the compressed air inside the elastic part, thereby solving the problems of internal negative pressure, failure to reset the elastic part and retract the elastic part.

Abstract: The present invention discloses an all-plastic perfume pump and a bottle body used therefor, where the pump includes a pump body, a plastic bead is provided in the pump body mounted in a big ring, a spacer is provided in the big ring and sleeved outside the pump body, a port on the bottom of the pump body is connected to a suction tube, a piston is provided inside the pump body and inserted with a valve needle, an upper end of the valve needle is connected to a valve stem, a top opening of the pump body is attached to a connecting lid, an upper end of the connecting lid is provided with a resilient piece sleeved on the valve stem, the valve stem is connected to a pressing cap, the resilient piece is limited by the valve stem and the valve needle.

Abstract: A short and small external dual-spring sprayer, including a head cap cover, where a head cap is arranged in the head cap cover, a spray piece is arranged at a front end of the head cap, the head cap is connected to a valve rod, the valve rod is sleeved at an upper part of a valve needle, the valve needle penetrates through a bushing and a piston and is further sleeved with an internal spring, the internal spring has an upper part located in the valve rod and a lower end in contact with the piston, an external spring is arranged on an outer side of the internal spring and has an upper part located in a middle sleeve and a lower part located in the bushing.

Abstract: A short and small continuous sprayer, including a spray head, where the spray head is connected to a valve rod, the valve rod is provided with a retaining cavity, the retaining cavity is provided with an upper spring, the upper spring is connected to a piston, a valve needle is arranged in the piston and sleeved on the valve rod, an inner cavity is formed between the piston and the valve needle, the piston is sleeved with a cylinder body, a liquid cavity is formed between the cylinder body and the piston, the cylinder body is connected to a lower spring, the lower spring is connected to the valve needle, the cylinder body is provided with a moving cavity, and a steel ball is arranged in the moving cavity.

Abstract: Disclosed is an all-plastic spray gun, including a housing. The housing is connected to a gun body, a front end of the gun body is connected to a header cap, the header cap is connected to a water division head body, the water division head body is inserted into the gun body, the gun body is hinged to a trigger, the trigger is connected to a piston, the piston is slidably connected to a negative pressure column of the gun body, an upper end of the negative pressure column is provided with a plastic spring, the plastic spring is sleeved outside the gun body, a bottom end of the gun body is connected to a blank cap, the blank cap is connected to a large ring, a perforative suction tube is inserted into the blank cap.

Abstract: The present invention discloses an all-plastic perfume pump and a bottle body used therefor, where the pump includes a pump body, a plastic bead is provided in the pump body mounted in a big ring, a spacer is provided in the big ring and sleeved outside the pump body, a port on the bottom of the pump body is connected to a suction tube, a piston is provided inside the pump body and inserted with a valve needle, an upper end of the valve needle is connected to a valve stem, a top opening of the pump body is attached to a connecting lid, an upper end of the connecting lid is provided with a resilient piece sleeved on the valve stem, the valve stem is connected to a pressing cap, the resilient piece is limited by the valve stem and the valve needle.

Abstract: In one aspect, a distributed ledger system include a first network node configured to detect a triggering condition for processing a claim; collect user and broker information for processing the claim; convert the information from a first computer-readable format to a second computer-readable format; validate the converted information based on corresponding digital signatures; generate claim state objects based on the validated information to be used by each node of the distributed ledger system to execute a smart contract for processing the claim; receive one or more updated claim state objects from a second network node reflecting updated processing status of the claim to be used by each node of the distributed ledger system to execute the smart contract for processing the claim; and process the claim based on results of execution of the smart contract using the one or more updated claim state objects.

Abstract: The present invention discloses a short and small continuous sprayer, including a spray head, where the spray head is connected to a valve rod, the valve rod is provided with a retaining cavity, the retaining cavity is provided with an upper spring, the upper spring is connected to a piston, a valve needle is arranged in the piston and sleeved on the valve rod, an inner cavity is formed between the piston and the valve needle, the piston is sleeved with a cylinder body, a liquid cavity is formed between the cylinder body and the piston, the cylinder body is connected to a lower spring, the lower spring is connected to the valve needle, the cylinder body is provided with a moving cavity, and a steel ball is arranged in the moving cavity.

Abstract: Disclosed is an all-plastic spray gun, including a housing. The housing is connected to a gun body, a front end of the gun body is connected to a header cap, the header cap is connected to a water division head body, the water division head body is inserted into the gun body, the gun body is hinged to a trigger, the trigger is connected to a piston, the piston is slidably connected to a negative pressure column of the gun body, an upper end of the negative pressure column is provided with a plastic spring, the plastic spring is sleeved outside the gun body, a bottom end of the gun body is connected to a blank cap, the blank cap is connected to a large ring, a perforative suction tube is inserted into the blank cap.

Abstract: The present invention discloses a short and small external dual-spring sprayer, including a head cap cover, where a head cap is arranged in the head cap cover, a spray piece is arranged at a front end of the head cap, the head cap is connected to a valve rod, the valve rod is sleeved at an upper part of a valve needle, the valve needle penetrates through a bushing and a piston and is further sleeved with an internal spring, the internal spring has an upper part located in the valve rod and a lower end in contact with the piston, an external spring is arranged on an outer side of the internal spring and has an upper part located in a middle sleeve and a lower part located in the bushing.

Abstract: The present invention relates to the technical field of hand pump, in particular to a novel single-material hand pump, which includes a pressure head, a valve stem, an elastic part and a cylinder, wherein the bottom of the pressure head is fixedly connected with the valve stem, the cylinder is arranged at the bottom of the valve stem, the valve stem is connected with the cylinder in an embedded way, not only the elliptical columns contract uniformly under pressure and have good resilience, but also the elastic part is made of elastoplastic, the separate removal of metal spring is not required for saving the treatment time and improving the environmental protection, and the air holes are used for absorbing or discharging the compressed air inside the elastic part, thereby solving the problems of internal negative pressure, failure to reset the elastic part and retract the elastic part.

Abstract: In one aspect, a distributed ledger system include a first network node configured to detect a triggering condition for processing a claim; collect user and broker information for processing the claim; convert the information from a first computer-readable format to a second computer-readable format; validate the converted information based on corresponding digital signatures; generate claim state objects based on the validated information to be used by each node of the distributed ledger system to execute a smart contract for processing the claim; receive one or more updated claim state objects from a second network node reflecting updated processing status of the claim to be used by each node of the distributed ledger system to execute the smart contract for processing the claim; and process the claim based on results of execution of the smart contract using the one or more updated claim state objects.

Abstract: The present invention relates to a spray gun head and a sprayer using the same. The spray gun head includes a connecting cap, a gun body, and a blank cap, where the connecting cap has an internal thread; the gun body is located above the connecting cap; and the blank cap is arranged on the connecting cap, and a lower end of the gun body is rotatably arranged on the blank cap along a circumferential direction of the blank cap, such that even if the gun body rotates under a force, the gun body can only rotate along the circumferential direction of the blank cap, without driving the connecting cap to rotate relative to a liquid container, thus avoiding the outflow of a liquid in the liquid container due to the rotation of the gun body.

Abstract: Disclosed is a rotary double-tube replaceable cosmetic bottle, which comprises an outer cover and a rotary sleeve, wherein the rotary sleeve is internally and symmetrically provided with a first lifting seat and a second lifting seat, the first lifting seat and the second lifting seat are both provided with elastic fasteners and are internally sleeved with bottle bodies, and the lower end of the rotary sleeve is symmetrically provided with convex surfaces.

Abstract: An all-aluminum lipstick tube cartridge comprises a sleeve portion, a spiral portion, an inner body portion and a cup portion, wherein the inner side wall of the spiral portion is formed with a helical spiral groove. A head end of the spiral groove is located at the upper end of the spiral portion and a tail end of the spiral groove is located at the lower end of the spiral portion, and a side wall of the inner body portion is provided with a pair of oppositely formed guide slots axially formed along the inner body portion.

Abstract: In one aspect, a distributed ledger system include a first network node configured to detect a triggering condition for processing a claim; collect user and broker information for processing the claim; convert the information from a first computer-readable format to a second computer-readable format; validate the converted information based on corresponding digital signatures; generate claim state objects based on the validated information to be used by each node of the distributed ledger system to execute a smart contract for processing the claim; receive one or more updated claim state objects from a second network node reflecting updated processing status of the claim to be used by each node of the distributed ledger system to execute the smart contract for processing the claim; and process the claim based on results of execution of the smart contract using the one or more updated claim state objects.

Abstract: The present invention relates to an all-aluminum lipstick tube cartridge and a lipstick tube. The all-aluminum lipstick tube cartridge comprises a sleeve portion, a spiral portion, an inner body portion and a cup portion, wherein the inner side wall of the spiral portion is formed with a helical spiral groove, a head end of the spiral groove is located at the upper end of the spiral portion and a tail end of the spiral groove is located at the lower end of the spiral portion, and a side wall of the inner body portion is provided with a pair of oppositely formed guide slots axially formed along the inner body portion.

Abstract: Disclosed is a rotary double-tube replaceable cosmetic bottle, which comprises an outer cover and a rotary sleeve, wherein the rotary sleeve is internally and symmetrically provided with a first lifting seat and a second lifting seat, the first lifting seat and the second lifting seat are both provided with elastic fasteners and are internally sleeved with bottle bodies, and the lower end of the rotary sleeve is symmetrically provided with convex surfaces.

Abstract: In one aspect, a distributed ledger system include a first network node configured to detect a triggering condition for processing a claim; collect user and broker information for processing the claim; convert the information from a first computer-readable format to a second computer-readable format; validate the converted information based on corresponding digital signatures; generate claim state objects based on the validated information to be used by each node of the distributed ledger system to execute a smart contract for processing the claim; receive one or more updated claim state objects from a second network node reflecting updated processing status of the claim to be used by each node of the distributed ledger system to execute the smart contract for processing the claim; and process the claim based on results of execution of the smart contract using the one or more updated claim state objects.

Abstract: In one aspect, a distributed ledger system include a first network node configured to detect a triggering condition for processing a claim; collect user and broker information for processing the claim; convert the information from a first computer-readable format to a second computer-readable format; validate the converted information based on corresponding digital signatures; generate claim state objects based on the validated information to be used by each node of the distributed ledger system to execute a smart contract for processing the claim; receive one or more updated claim state objects from a second network node reflecting updated processing status of the claim to be used by each node of the distributed ledger system to execute the smart contract for processing the claim; and process the claim based on results of execution of the smart contract using the one or more updated claim state objects.