36results about How to "Overcoming usage defects" patented technology

The invention discloses a jacking transplanting machine. The jacking transplanting machine comprises a first conveying part, a second conveying part and a jacking part. The first conveying part is consistent with the direction of the main conveying line. The second conveying part intersects with the main conveying line. The jacking part comprises a base plate, four joint assemblies, a drive mechanism and a cam mechanism. The joint assemblies, the drive mechanism and the cam mechanism are all fixed to the base plate. The drive mechanism drives the cam mechanism to move so as to drive the second conveying part to rise and fall, and the relative height of cooperation of the first conveying part and the second conveying part is changed. The other ends of the joint assemblies are fixed to the second conveying part. The second conveying part rises and falls to drive the joint assemblies to be stretched out / drawn back. By means of the joint assemblies, supporting and limiting of a stop plate are achieved, the rolling and movable joint design is adopted, no stuck points exist, the horizontal consistency of the top plate in the rising and falling process is ensured, and the stuck phenomenon is avoided. The number of electronic components is small, the fault rate is low, and maintenance and installation are convenient.

A biologic activated carbon fibre for attaching microbes to it is prepared through fusion-free treatment of raw material at heating speed of 0.5-2 deg.C per min to obtain fusion-free fibre, charring at 300-1100 deg.C and heating speed of 80-160 deg.C / min, and activating at 800-950 deg.C for 5-60 min, wheere fatty acid is used as activation promoter and the ultrasonic waves are used while dipping.Its advantages include no metal compound, more than 20% of water content, 150 MPa of tension strength, 2.8-25 % of oxygen content, and excellent biologic compatibility.

The invention relates to rabeprazole sodium for injection as well as a preparation method and a detection method thereof. The rabeprazole sodium for injection is a medical preparation for injection, which is prepared from rabeprazole sodium as an active ingredient, a stabilizing agent, a pH value regulator and pharmaceutically acceptable auxiliary materials. The rabeprazole sodium for injection, disclosed by the invention, is rapid in effect taking and high in bioavailability, is used for treating gastrohelcosis, duodenal ulcer, erosive gastroesophageal reflux disease, helicobacter pylori injection, Zollinger-Ellision syndrome and the like and is more suitable for being used as a substitutive medicament when oral preparations for treating the diseases have no effect.

The invention provides an acceleration measurement method based on an anti-magnetic suspension mechanical system, and the method comprises the steps of 1, obtaining an external acceleration a; 2, constructing an acceleration sensitive module, and suspending a diamagnetic mass body by using a magnetic potential well to obtain the position movement delta x of the diamagnetic mass body caused by the external acceleration a; 3, constructing a position measurement module, and realizing the conversion from laser light intensity change delta I to the voltage delta V; and 4, calculating the actual external acceleration a according to the variation of the output measured voltage delta V. According to the invention, an anti-magnetic suspension acceleration sensitive mode is provided, the anti-magnetic suspension mechanical system is different from the existing suspension system, optical suspension, electrostatic suspension, superconducting suspension and the like in the physical principle, does not need the external energy input compared with the electrostatic suspension and the optical suspension, has the lowest parameter noise, reduces the main noise source limiting the acceleration sensitivity, and meanwhile, compared with the superconducting suspension, the anti-magnetic suspension mechanical system can work in a room-temperature or low-temperature environment.

The invention discloses a moveable multi-purpose operation protective device. The moveable multi-purpose operation protective device comprises a frame system, an inclined strut system, a double-layer push-pull plate system, a fence system, a pulley system and stairs. The frame system comprises upright tubes and transverse horizontal tubes. The inclined strut system comprises an inclined strut rod. The head end of the inclined strut rod is rotatably connected with one upright tube by an inclined strut rotation shaft, and the tail end of the inclined strut rod is installed on the other upright tube by an inclined strut fixer. The double-layer push-pull plate system comprises a push-pull outer frame, an upper layer push-pull plate and a lower layer push-pull plate. The upper layer push-pull plate can be slid relative to the push-pull outer frame. The fence system comprises a fence frame and a fence rotation shaft support. The fence frame can be fixed on the upright tube in the unfolding process. The pulley system comprises a plurality of brake foot wheels. The stairs are installed on the frame system. The provided moveable multi-purpose operation protective device and the using method are capable of solving the using defects that the assembling and the detaching of a gate-type scaffold are time-consuming and the carrying takes a lot of work.

The invention relates to a double source heat pump air conditioning unit which comprises a compressor, a four-way reversal valve, a refrigerant-water heat exchanger, a finned heat exchanger, a refrigeration throttling valve, a one-way valve, a heating throttle valve, an electromagnetic valve and a connecting pipeline, wherein the finned heat exchanger is arranged in a shell; the shell is internally successively provided with the fan, a sprinkler, the finned heat exchanger, a heat rejection padding and a water collecting disc from top to bottom, and the lower part of the shell is provided with an air inlet arranged between the water collecting disc and the heat rejection padding; the water collecting disc is connected with the sprinkler through a water circulating pump, and the two ends of the finned heat exchanger are respectively connected with the four-way reversal valve and the refrigerant-water heat exchanger; and the finned heat exchanger comprises a first finned heat exchanger and a second finned heat exchanger, and the first finned heat exchanger is connected with the second finned heat exchanger through the electromagnetic valve and the heating throttle valve which are parallel. The double source heat pump air conditioning unit provided by the invention is capable of overcoming the use defects of a simple air source heat pump unit and a water source heat pump unit, and is applicable to multiple environmental conditions; and the double source heat pump air conditioning unit has the advantages of low heat transfer temperature, notable energy-saving effect and high unit operation efficiency.

The invention discloses a kind of silica fiber titanium gold non-ignitable soft joint which is made by silica fiber titanium gold non-ignitable material. The production technical process of this silica fiber titanium gold non-ignitable material is that: weave the base by using the glass fabric; make the glass fabric immersed the rubber; treat it by sub-salt, shoot off and curing; coat special siliceous rubber and siliceous titaniferous rubber; compose silica fiber titanium gold cloth. The silica fiber titanium gold non-ignitable soft joint of this invention makes the silica fiber titanium gold non-ignitable material instead of the aluminum foil glass thread and resolves the use flaw of the modern soft pipe thoroughly and improve the fire protection performance of it largely.

The invention discloses a cubic boron nitride grinding wheel and a manufacturing method for the cubic boron nitride grinding wheel and belongs to the technical field of grinding wheels. The cubic boron nitride grinding wheel is prepared from the following raw materials: phenolic resin powder, cubic boron nitride, chromic oxide, zinc oxide, graphite, silicon carbide and polysilicate aluminous calcium. The polysilicate aluminous calcium serving as an inorganic high polymer material is added into the raw material, is high in mechanical strength, high in surface activity with grinding material, high in interface energy effect and high in infiltration, is capable of fully covering the grinding material and improving the holding strength of the phenolic resin powder on the grinding material, and is also capable of permeating into the cracks of the grinding material with cracks to repair the grinding material and improving the performance of the grinding material, so that the grinding wheel is high in self-sharpening performance and can be used for simultaneously grinding steel alloy parts with different hardness. The cubic boron nitride grinding wheel is high in grinding efficiency, high in workpiece surface quality and stable in product quality during the grinding of the steel alloy parts with different hardness. The manufacturing method for the cubic boron nitride grinding wheel is simple in process and convenient to implement, and is suitable for industrial popularization and application.

The invention relates to the technical field of welding, in particular to an ultrasonic welding device. The ultrasonic welding device mainly comprises a driving mechanism, a head portion and an energyexchange component and is characterized in that a supporting frame is arranged in the head portion and connected with a power output end of the driving mechanism, and the energy exchange component isarranged in front of the head portion and fixedly connected with the supporting frame. By structural optimization and improvement, a welding head is capable of flexibly adapting to incoming materialdirections in a welding process, adaptability is achieved no matter materials come from a longitudinal direction or a transverse direction and from the bottom of the head portion or left and right sides of the head portion, defects in use of traditional welding equipment are well overcome, and more supply choices are provided in an ultrasonic welding process. Especially in application to integration of automatic equipment, a wide application range is realized, production efficiency is greatly improved, a design structure of the automatic equipment is simplified, and design cost of the automatic equipment is reduced.

The invention relates to a filter tip adhesive for impermeable tipping paper and a preparation method of the filter tip adhesive. An acrylic emulsion is developed by introducing polymerizable fatty acid with a long carbon chain into a pure acrylic emulsion for copolymerization, and the acrylic emulsion is optimally designed, preferably a combination of a VAE emulsion and an additive, so that the filter tip adhesive is obtained. When the product is applied to paper and a plastic film, the surface tension can be well reduced to form anchoring, good permeability and coating performance on the surface of impermeable tipping paper are realized, meanwhile, the product has good bonding performance, and the requirements of various roller coaters for producing blasting bead cigarettes are met. Compared with an existing production method, the invention provides a filter tip adhesive for impermeable tipping paper with high safety performance and high machine application performance, the filter tip adhesive is high in adhesive strength, proper in drying speed and stable in on-machine adaptability, can meet the production of Protos70 / Passom / Protos90E / ZJ17 and other types of machines, has the characteristics of being less in adhesive scale, easy to clean and the like after on-machine operation, and meets the special requirements of the market for the filter tip adhesive for impermeable tipping paper.

The invention discloses a jacking transplanting machine. The jacking transplanting machine comprises a first conveying part, a second conveying part and a jacking part. The first conveying part is consistent with the direction of the main conveying line. The second conveying part intersects with the main conveying line. The jacking part comprises a base plate, four joint assemblies, a drive mechanism and a cam mechanism. The joint assemblies, the drive mechanism and the cam mechanism are all fixed to the base plate. The drive mechanism drives the cam mechanism to move so as to drive the second conveying part to rise and fall, and the relative height of cooperation of the first conveying part and the second conveying part is changed. The other ends of the joint assemblies are fixed to the second conveying part. The second conveying part rises and falls to drive the joint assemblies to be stretched out / drawn back. By means of the joint assemblies, supporting and limiting of a stop plate are achieved, the rolling and movable joint design is adopted, no stuck points exist, the horizontal consistency of the top plate in the rising and falling process is ensured, and the stuck phenomenon is avoided. The number of electronic components is small, the fault rate is low, and maintenance and installation are convenient.

The invention discloses a moveable multi-purpose operation protective device. The moveable multi-purpose operation protective device comprises a frame system, an inclined strut system, a double-layer push-pull plate system, a fence system, a pulley system and stairs. The frame system comprises upright tubes and transverse horizontal tubes. The inclined strut system comprises an inclined strut rod. The head end of the inclined strut rod is rotatably connected with one upright tube by an inclined strut rotation shaft, and the tail end of the inclined strut rod is installed on the other upright tube by an inclined strut fixer. The double-layer push-pull plate system comprises a push-pull outer frame, an upper layer push-pull plate and a lower layer push-pull plate. The upper layer push-pull plate can be slid relative to the push-pull outer frame. The fence system comprises a fence frame and a fence rotation shaft support. The fence frame can be fixed on the upright tube in the unfolding process. The pulley system comprises a plurality of brake foot wheels. The stairs are installed on the frame system. The provided moveable multi-purpose operation protective device and the using method are capable of solving the using defects that the assembling and the detaching of a gate-type scaffold are time-consuming and the carrying takes a lot of work.

The invention discloses a method for identifying an interactive association relationship between related service requirements of product. The method comprises the following steps: step 1, establishinga group rough cloud model of the influence degree between the product related service requirements; step 2, determining the numerical value of the influence degree between the related service requirements of the product; and step 3, sorting the related service requirements of the product based on a DEMATEL method. The method has the beneficial effects that each evaluator is allowed to freely givejudgment and evaluation in the form of interval language values; the advantages of a DEMATEL method, a cloud model theory and a rough set theory are combined; the uncertainty of personal evaluation is processed by using a cloud model theory, so that the use defects of a fuzzy set theory can be effectively overcome; the subjective value and the objective value of the influence degree are comprehensively considered, and the influence degree between related service requirements of products can be more comprehensively disclosed.

The invention discloses citrus fiber-containing cheese guacamole and a preparation method thereof. The cheese guacamole comprises raw materials of cheese, avocado puree, tomatoes, sweet pepper sauce,dehydrated vegetable, soybean oil, water, cream, white granulated sugar, edible salt, yolk powder, maltodextrin, xanthan gum, citrus fiber, spices and the like. The preparation method comprises the following steps: firstly, re-dehydrating the dehydrated vegetable, then adding the xanthan gum and the white granulated sugar to the water, heating sol to prepare an xanthan gum solution, pulping the tomatoes to obtain tomato pulp, adding the cheese, the cream and the yolk powder to the soybean oil, performing heating and stirring for dissolution, and then uniformly mixing the dissolved materials with the xanthan gum solution, the tomato pulp, the re-dehydrated dehydrated vegetable, the sweet pepper sauce, the maltodextrin and the citrus fiber to obtain a mixture; and finally, adding the remaining components to the mixture to obtain the cheese guacamole. According to the cheese guacamole, the sense of eating, the sense of substance, the color, the aroma and the tissue state are improved overall by mutual cooperation of the components.

The invention discloses application of citric acid metal salts in root canal therapy and a preparation thereof. The citric acid metal salts are used for removing a smeared layer, and consist of lithium citrate, sodium citrate, potassium citrate or magnesium citrate. A smeared layer can be effectively removed through specific citric acid metal salts so that a treatment mode of using an EDTA-containing preparation in current root canal therapy can be replaced; and moreover, defects of adopting inorganic acids or organic acids are also avoided. The invention further discloses a preparation prepared from the citric acid metal salts along with a single-chain cationic antibacterial agent compatible with the citric acid metal salts. Therefore, the problem of the current root canal therapy that effect can only be achieved by alternately using the EDTA-containing preparation and sodium hypochlorite is solved, thereby having operation procedures of dentists simplified; and moreover, the functions of the two necessary preparations in the current root canal therapy are combined into a whole so that adverse reactions caused by using the EDTA and the sodium hypochlorite are avoided. Thus, a better choice is provided for clinical root canal therapy.

The invention discloses a preparation method of strong base type ion exchanging fibers. The method comprises the following steps: adding base fibers to a reaction vessel; then adding a solvent A, andfully swelling; adding cyanuric chloride and a catalyst after swelling; uniformly stirring and heating to react; cooling until room temperature is reached after reaction; filtering to obtain a product; sequentially processing the obtained product by soaking, extracting, washing with water and drying to obtain cyanuric chloride modified fibers; adding the cyanuric chloride modified fibers to a solvent B to fully swell; then sequentially adding a functional agent and an acid-binding agent after swelling; uniformly stirring and heating; cooling until room temperature is reached after reaction; filtering to obtain a product; sequentially processing the obtained product by soaking, extracting, washing with water and drying to obtain the strong base type ion exchanging fibers. According to the method for preparing the strong base type ion exchanging fibers, the use defect that strong cancerogenic substances such as chloromethyl ether are used in chloromethylation process in the prior art canbe effectively avoided.

The invention discloses a slow-release carrier, a chlorine dioxide gel composition containing the slow-release carrier and application thereof The sustained-release carrier is prepared by adding a vinyl monomer solution containing a cross-linking agent and an initiator into a dispersion medium containing a separant and adopting a reversed-phase suspension method. The slow-release carrier has a three-dimensional network structure and a cross-linking gradient, has super-strong water absorption and water retention properties, and can be used as an excellent reaction place for various slow-release preparations. Moreover, after the slow-release carrier is loaded with a chlorine dioxide precursor, controllable slow release of chlorine dioxide can be realized, and the slow-release carrier has multiple application prospects of sterilization and disinfection, air purification, deodorization, fresh keeping and the like.

The invention relates to lightweight concrete external walls and discloses a lightweight composite concrete external wall and a production method. The lightweight composite concrete external wall comprises a steel bar bracket, an embedded part fixed in the steel bar bracket, a concrete matrix which is used for filling and cladding the steel bar bracket and a coating layer which is coated on the outer side of the concrete matrix; the lightweight composite concrete external wall is prepared from the following raw materials in parts by mass: 100 parts of portland cement, 100 parts of water, 80 parts of crushed stone aggregate, 8 to 12 parts of strongly acidic action exchange resin, 30 to 40 parts of natural sand and 7 to 10 parts of polytetrafluoroethylene filler. The production method comprises the following steps: pouring lightweight composite concrete obtained by mixing the raw materials into an external wall mold provided with the steel bar bracket and the embedded part; after the lightweight composite concrete is solidified and cured, obtaining the concrete matrix; coating the concrete matrix with a coating layer, so as to obtain the lightweight composite concrete external wall.The carrying load of an external wall fixing bracket is reduced, and the compression resistance and bending strength of the lightweight composite concrete are improved; the possibility that the external wall is fractured or crushed when being impacted is reduced.

The invention relates to a double-layer rod feeding box automatic rod feeding device applied to a trenchless drilling machine. The device comprises drill rod boxes, rod box seat bodies, rod lifting mechanisms and rod changing mechanisms, wherein the drill rod boxes comprise a first drill rod box and a second drill rod box; the first drill rod box and the second drill rod box are two completely identical rectangular frames, the two frames are tightly connected, the rod box seat bodies are oppositely arranged on the two sides of the bottoms of the drill rod boxes, and the outer sides of the rodbox seat bodies are close to the end surfaces of the drill rod boxes; and the rod lifting mechanisms are connected with the rod box seat bodies through first connecting parts, the rod changing mechanisms are connected with the rod lifting mechanisms through second connecting parts, the rod changing mechanisms comprise rod changing oil cylinders, and fixing hinge seats of the rod changing oil cylinders are arranged on the rod lifting mechanisms. According to the device, the dependence on two-stage cylinders in the prior art is solved, and the defects caused by the use of the double-stage cylinders on the whole machine are avoided.

Disclosed are an electrical appliance installation structure of an integrated ceiling and an electrical appliance installation method. The electrical appliance installation structure mainly comprises a ceiling electrical appliance composed of an electrical appliance main body and an electrical appliance panel, at least one extending keel positioning sheet is connected to each of two symmetrical side edges of a casing of the electrical appliance main body, each keel positioning sheet flatly extends out of the casing, and the keel positioning sheets on two sides are erected on the upside of two adjacent keels respectively. The electrical appliance installation method includes the steps of (a) fitting installation at least including fixing the keel positioning sheets to the two symmetrical sides of the electrical appliance casing; (b) electrical appliance setting, to be more specific, arranging the whole electrical appliance at the installation position above the keels, and at least erecting the extending keel positioning sheets on two sides of the casing on the keels on two sides; (c) electrical appliance positioning, to be more specific, adjusting the positions of the keel positioning sheets and integrally positioning the electrical appliance on the keels on two sides. The electrical appliance installation structure is reasonable in structure and convenient to use and install, use defects caused by the fact that a main body and a panel of an existing electrical appliance are separated can be overcome, the installation position of the electrical appliance can be adjusted conveniently, good electrical appliance installation effect is achieved and the like.

The invention discloses a cubic boron nitride grinding wheel and a manufacturing method for the cubic boron nitride grinding wheel and belongs to the technical field of grinding wheels. The cubic boron nitride grinding wheel is prepared from the following raw materials: phenolic resin powder, cubic boron nitride, chromic oxide, zinc oxide, graphite, silicon carbide and polysilicate aluminous calcium. The polysilicate aluminous calcium serving as an inorganic high polymer material is added into the raw material, is high in mechanical strength, high in surface activity with grinding material, high in interface energy effect and high in infiltration, is capable of fully covering the grinding material and improving the holding strength of the phenolic resin powder on the grinding material, and is also capable of permeating into the cracks of the grinding material with cracks to repair the grinding material and improving the performance of the grinding material, so that the grinding wheel is high in self-sharpening performance and can be used for simultaneously grinding steel alloy parts with different hardness. The cubic boron nitride grinding wheel is high in grinding efficiency, high in workpiece surface quality and stable in product quality during the grinding of the steel alloy parts with different hardness. The manufacturing method for the cubic boron nitride grinding wheel is simple in process and convenient to implement, and is suitable for industrial popularization and application.

The invention relates to lightweight concrete external walls and discloses a lightweight composite concrete external wall and a production method. The lightweight composite concrete external wall comprises a steel bar bracket, an embedded part fixed in the steel bar bracket, a concrete matrix which is used for filling and cladding the steel bar bracket and a coating layer which is coated on the outer side of the concrete matrix; the lightweight composite concrete external wall is prepared from the following raw materials in parts by mass: 100 parts of portland cement, 100 parts of water, 80 parts of crushed stone aggregate, 8 to 12 parts of strongly acidic action exchange resin, 30 to 40 parts of natural sand and 7 to 10 parts of polytetrafluoroethylene filler. The production method comprises the following steps: pouring lightweight composite concrete obtained by mixing the raw materials into an external wall mold provided with the steel bar bracket and the embedded part; after the lightweight composite concrete is solidified and cured, obtaining the concrete matrix; coating the concrete matrix with a coating layer, so as to obtain the lightweight composite concrete external wall.The carrying load of an external wall fixing bracket is reduced, and the compression resistance and bending strength of the lightweight composite concrete are improved; the possibility that the external wall is fractured or crushed when being impacted is reduced.

The present invention discloses a block chain-based smart contract dynamic deployment and evolution method and device, wherein the method includes: initializing a plurality of attribute authorization centers, generating a public-private key pair of the attribute domain of each attribute authorization center and The property key is encrypted and distributed to the corresponding entity through the public-private key pair; the smart contract is formulated for the entity through the smart contract customization platform; the smart contract is preprocessed through the chameleon hash function, and Deploy the preprocessing results in the blockchain. Through the modularization of smart contracts, this method realizes the dynamic combination and customization of smart contracts, improves the writing efficiency of smart contracts, and uses cryptographic schemes such as chameleon hashing and multi-authorization center ciphertext policy attribute-based encryption to realize The evolution of smart contracts in legal scenarios can avoid economic losses caused by programming errors in smart contracts or use defects caused by imperfect predefined functions.

The present invention relates to the joint glue for anti-permeation tipping paper and its preparation method. The acrylic emulsion is developed into acrylic emulsion by introducing long carbon chain polymerizable fatty acid into pure acrylic emulsion, and the acrylic emulsion is optimally designed, preferably VAE emulsion and Additives are combined to obtain the product of the present invention. When the product of the present invention is coated on paper and plastic film, it can well reduce the surface tension to form an anchor, realize good permeability and coating performance on the surface of anti-permeation tipping paper, and have good bonding performance at the same time, satisfying various The roller coating machine produces popping pearl cigarettes. Compared with the existing production methods, the present invention provides a splicing glue for anti-penetration tipping paper with high safety performance and high machine applicability, which has strong adhesive force, suitable drying speed, and stable machine adaptability. It can meet the production of various models such as Protos70 / Passom / Protos90E / ZJ17. At the same time, it has the characteristics of less glue dirt and easy cleaning after running on the machine, and meets the special requirements of the market for tipping glue for anti-penetration tipping paper.

The invention discloses a crank arm connecting rod blank door. The crank arm connecting rod blank door comprises guide rails (1), connecting rod assemblies (3), blank door supporting rods (5) and a blank door body. Sliding grooves shaped like a Chinese character 'hui' are formed inside the guide rails (1), screw holes are formed in the bottoms of the sliding grooves, and the guide rails (1) are fixedly connected with the top and the bottom of a frame body through wood screws along frame edges. One ends of the connecting rod assemblies (3) are connected with the guide rails (1) in a rotating mode through moving sliding blocks (2) arranged in the sliding grooves, and the other ends of the connecting rod assemblies (3) are connected with the blank door supporting rods (5) in a rotating mode through fixing rotary knobs (4) to form blank door connecting pieces. The blank door supporting rods (5) are provided with screw holes, the blank door body is provided with edge grooves, screw holes corresponding to the blank door supporting rods (5) are formed in the inner side edge opening positions of the edge grooves, and the blank door supporting rods (5) are fixed through wood screws along the upper inner side edge and the lower inner side edge of the blank door body to form an integrated structure. According to the crank arm connecting rod blank door, the upper blank door connecting piece and the lower blank door connecting piece are fixed to the upper end and the lower end of the wood blank door body in a matched mode, guarantees are provided for overall force bearing of the blank door, components are installed in place at one time, and the repair rate is low.

The invention discloses an accurate positioning combined clamp used for guide pipe type part welding. The accurate positioning combined clamp comprises a first guide pipe and a second guide pipe, the first guide pipe comprises a first channel and a first end opening, and the second guide pipe comprises a second channel and a second end opening. The accurate positioning combined clamp used for guide pipe type part welding further comprises a connecting ring, a limiting ring and a positioning ring, an annular clamping groove is located in the position close to the end opening of the first guide pipe, the positioning ring cooperates with the annular clamping groove and comprises an annular outer side wall, one annular end and the other annular end, the position, close to one annular end, of the annular outer side wall of the positioning ring stretches into the second channel and is fixedly connected with the inner side wall of the second channel, and the other annular end of the positioning ring is connected with the annular clamping groove in a clamped manner. Technical prejudice existing in the prior art is overcome, existing deformation hidden dangers are reduced, and the clamp for welding achieves the use effect of protection when the first guide pipe and the second guide pipe are used for a long time after being welded and connected.

A detachable fast-care body care product, including an outer fabric layer, an inner fabric layer, a fast-care compound, a fixing belt and a charging plug, the fast-care compound includes a herbal medicine fast-volatile layer and a sleep-aiding and bactericidal compound layer, and the herbal medicine quickly volatilizes There is a breathable layer between the layer and the sleep-aiding and sterilization composite layer; the herbal medicine rapid volatilization layer is sequentially provided with a carbon fiber heating layer, a far-infrared fiber layer, a magnetic material layer and a Chinese herbal medicine filling layer, and the sleep-aiding and sterilization composite layer is from the outside to the inside. Negative ion fiber layer, anti-mite fiber layer and lavender fiber layer are provided in sequence, the inner fabric layer and the outer fabric layer are connected to form a closed cavity, the inner side of the inner fabric layer is provided with a second adhesive layer, and the inner fabric layer There are several rapid penetration holes, and the rapid health care compound is located in the airtight cavity.