992 results about "Bottle neck" patented technology

The present invention discloses a glass bottle inspection machine, which is provided with a light source module, a distance adjustment module, a height adjustment module and a clamping module in sequence from bottom to top. The clamping module includes a left clamping module and a right clamping module which are symmetrically arranged. The left clamping module includes a left bottom fixing plate, a left upper module and a left lower module. The right clamping module includes a right bottom fixed plate, a right upper module and a right lower module. The present invention is provided with a light source module, a distance adjustment module and a height adjustment module corresponding to the clamping modules, so that the clamping modules are suitable for glass bottles of different diameters and heights; the left clamping module and the right clamping module perform a rotating and rubbing forward motion on the glass bottles to be inspected, and the clamping module has a double-layer clamping structure with upper and lower dislocations, which can clamp and rotate the side wall or bottleneck of the glass bottle respectively, can be more stable when performing the rotating and rubbing forward motion on the glass bottle, is suitable for glass bottles of various shapes, reduces manual inspection work, and improves inspection efficiency.

The invention discloses a composite cold plate-phase change cold storage coupled liquid cooling server heat dissipation device, which comprises a composite plate assembly, the composite plate assembly comprises a cold plate seat, a cold plate module, a phase change cooling module, an input port, an output port and an assembling mechanism, the cold plate seat is internally provided with a supporting and lining groove, and the supporting and lining groove is internally provided with a supporting and lining groove; the phase change cooling module is installed at the lower end of the cold plate module in an embedded mode, the input port and the output port are installed on the upper end face of the cold plate module, the lower end face of the cold plate module is movably connected with the upper end face of the supporting and lining groove, and the cold plate module is connected with an inner cavity of the cold plate base in a sleeved mode. A first connecting pipe is installed between the circulating pump and the output port and used for circulating cooling liquid in the circulating pump, and the cold storage assembly comprises a liquid storage box, a cover plate, cooling fins and a cooling fan. Through the coupling design of the composite cold plate and the phase change material, efficient absorption, dynamic buffering and multi-stage recovery of heat of the server are achieved, and the bottleneck of traditional liquid cooling heat dissipation is broken through.

A centrally loaded self-adjusting positive-hold stowable semirigid framework which both supports and clench's the necks of ubiquitous beverage bottles of a personal size regardless of their varying neck diameters, thereby providing an end user with a reusable, convenient, field friendly, hands-free toting device of universal application for enjoying an unencumbered toting experience with the added benefit of promoting a higher degree of socially responsible behavior in the disposal, recycling, or the repurposing of used ubiquitous beverage bottles.

The invention discloses a material flow rate control method and system for liquid silica gel injection molding, and the method comprises the following steps: S1, collecting temperature gradient distribution in an injection mold, silica gel initial viscosity and pressure intensity data in a mold cavity in real time through a multi-mode sensor network, and inputting the data into a pre-molding parameter model; s2, based on the pre-forming parameter model; s3, outputting a result according to the dynamic response equation; and S4, dynamically calibrating the regulation and control parameter set through a fuzzy neural network in combination with a closed-loop feedback mechanism, and driving an execution mechanism to adjust the silica gel injection rate based on the calibrated parameters. The industrial bottleneck of liquid silica gel injection molding flow rate control is systematically solved; the cooperative construction of the multi-modal sensing network and the multi-field coupling model breaks through the physical limitation of a traditional empirical formula, and realizes the improvement of the dynamic response precision under a complex working condition.

The utility model provides a lifting mechanism of a filling clamping device. The problems that existing filling equipment needs to clamp bottles with different types of bottle openings, the thicknesses of supporting rings at the different types of bottle openings are different, but the height of a bottle clamping assembly cannot be adjusted generally, and the supporting rings at the different types of bottle openings collide with the bottle clamping assembly, so that clamping fails are solved. The bottle opening is clamped through the bottle clamping assembly arranged on the bottle clamping support, when bottles of different models are replaced, the bottle clamping assembly is driven to conduct height adjustment after the upper support is jacked through the jacking assembly, after the height is adjusted to the needed height, the height of the upper support is limited through the limiting assembly, adjustment can be conducted, and the bottle opening can be replaced conveniently. And the device adapts to different types of bottle openings.

The invention relates to the technical field of phase change energy storage materials, in particular to a phase change wax composite material and a preparation method thereof. The phase change wax composite material is prepared from the following raw materials in parts by mass: 60 to 66 parts of modified paraffin, 4 to 6 parts of elastomer, 20 to 25 parts of modified heat-conducting filler and 6 to 9 parts of flame retardant. Through multi-scale interface design and component function cooperation, the performance bottleneck of a traditional phase change material is broken through, unification of high energy storage density, efficient heat management and long-acting safety is achieved, and the phase change material is particularly suitable for application scenes needing efficient energy storage and heat management.

The invention relates to the technical field of composite film preparation, in particular to a multi-additive synergistic enhanced degradable packaging composite film and a preparation method thereof, and the multi-additive synergistic enhanced degradable packaging composite film comprises a matrix material group, a barrier system, an anti-hydrolysis system and a stable system; the base material comprises the following components in parts by mass: 25-35 parts of polylactic acid; 15 to 25 parts of poly (butylene adipate / terephthalate); and 8-15 parts of thermoplastic starch. Through multi-dimensional collaborative design of the matrix material, the barrier system, the hydrolysis-resistant system and the stable system, the performance bottleneck of a traditional material is broken through, and the contradiction between brittleness and flexibility is solved through rigid-flexible blending of matrix components; according to the present invention, the uniform dispersion and the interface strengthening of the nano-filler are ensured by using the melt co-extrusion and the directional arrangement technology, and the composite film prepared by using the process has characteristics of excellent degradation rate, high strength, high barrier property and environmental adaptability, can be widely used in the high-end fields of cold chain food and medicine packaging, and solves the problems existing in the traditional technology.

A container assembly for securing one or more bottles that includes an outer box and an insert. The outer box includes a bottom portion, a top pivotably connected to the first wall of the bottom portion and a securing portion pivotably connected to one of the second, third or fourth walls. The securing portion includes a neck slot that is configured to receive the neck of the bottle when the securing portion is in the securing position. The insert includes an upper retainer portion having a neck retaining slot defined therein, a main panel and a lower retainer portion. The neck retaining slot or tunnel in the upper retainer portion is configured to receive the neck of the bottle. The lower retainer portion has a bottom retaining opening defined therein. The main panel extends between the upper and lower retainer portions. When the insert is received in the box interior, the securing portion is positioned over at least a portion of the insert in the securing position, and the top is positioned over the securing portion in the closed position.

The utility model belongs to the technical field of blow-molded bottle opening detection equipment, and particularly relates to a PET blow-molded bottle opening sealing performance detection device which comprises a bottom box, a back plate is fixedly installed on the rear side of the bottom box, a top plate is fixedly installed on the front side of the back plate, a telescopic cylinder is fixedly installed on the top of the top plate, and an output shaft of the telescopic cylinder extends to the position below the top plate. A fixing seat is fixedly mounted on an output shaft of the telescopic cylinder, a groove is formed in the bottom of the fixing seat, a clamping mechanism is arranged in the groove, and rod holes are formed in the two sides of the fixing seat; a motor is fixedly installed on the inner wall of the bottom of the bottom box, and a bidirectional mechanism is arranged in the bottom box. The device is reasonable in design, the purpose of clamping and fixing a blow-molded bottle through two clamping plates can be achieved by arranging the clamping mechanism, the purpose of detecting the sealing performance of the blow-molded bottle can be achieved by arranging the bidirectional mechanism and the extrusion mechanism, and then the purposes of being easy to operate, saving time and labor, improving the working efficiency and being convenient to use can be achieved.

A capsule to seal the opening in a container, such as the neck of a bottle, wherein the container is adapted to contain a first fluid, the capsule being adapted to contain a second fluid that is different from the first fluid, the capsule being movable from a first initial position of the capsule to a second opening position of the capsule making it possible, in the second opening position, to release the second fluid into the container, thus mixing the first fluid and the second fluid, wherein the capsule is adapted to form, in its second opening position, and fixed in the opening in the container, a dispenser for the container which is adapted to dispense the contents of the container to the outside.

The invention belongs to the technical field of food flavor engineering, and discloses a Maotai-flavor Baijiu flavor composite essence based on a non-volatile substance release promoting effect, and the composite essence is composed of a volatile aroma substance, a non-volatile organic acid and an amino acid. Aiming at the technical bottlenecks of rapid attenuation of aroma intensity of volatile components and single flavor dimension in the existing Maotai-flavor Baijiu flavor compound essence blending technology, the invention creatively constructs a molecular synergistic system of volatile and non-volatile flavor components. By adding non-volatile substances, the effect of enhancing the flavor of the Maotai-flavor Baijiu flavor composite essence is achieved. The technology not only completely reproduces the flavor structure of the traditional solid-state fermented Maotai-flavor liquor, but also endows the compound liquor and flavor foods (such as Maotai-flavor baked products, compound seasonings and non-alcohol ready-to-drink beverages) with a continuous and stable aroma releasing characteristic, and provides a molecular-level regulation and control scheme for upgrading the sensory quality of liquor flavor standardization and food industrial production.

The invention discloses a forming device and method for a hydrogen storage bottle with a hydrogen-resistant inner container, and relates to the technical field of hydrogen storage bottle forming, in particular to a rolling mechanism arranged on the bottom surface of a cross beam of an arch frame and used for rolling a bottle body and a bottle neck of an aluminum alloy bottle body, and a supporting mechanism used for supporting the bottle body is arranged on the table top of a machine table. A support located on the right side of the supporting mechanism is fixedly arranged at the right end of the machine table, and a vertically-upward laser welding head is fixedly arranged in the support. The left side wall of the arch-shaped frame is provided with a tool and a driving mechanism, wherein the tool and the driving mechanism are used for positioning the aluminum alloy bottle body, assembling the aluminum alloy bottle body and the hydrogen-resistant inner container together and driving the aluminum alloy bottle body and the hydrogen-resistant inner container to rotate synchronously. The top wall and the bottom wall of the rotating base are each provided with a holding assembly, and an inner supporting assembly is arranged between the top wall and the bottom wall of the rotating base. The hydrogen storage bottle forming device has the beneficial effects that the hydrogen storage bottle forming efficiency is greatly improved, and the hydrogen storage bottle forming quality is greatly improved.

The invention relates to the technical field of conductive materials, and discloses a flexible conductive composite material and a preparation method and application thereof. The flexible conductive composite material comprises the following preparation raw materials: a thermoplastic elastomer, a conductive filler, cellulose nanocrystals, an inorganic salt, an organic solvent and water. According to the flexible conductive composite material provided by the invention, the Pickering emulsion is co-stabilized by the cellulose nanocrystal auxiliary conductive filler, the cellulose nanocrystal raw material is easy to obtain, biodegradable, environment-friendly and pollution-free, the Pickering emulsion is good in stability, the conductive filler is directionally enriched on an emulsion interface to form a continuous path, the bottleneck of filler dispersion is broken through, a conductive network structure is complete, and the stability of the Pickering emulsion is improved. The strain sensing response is sensitive, reversible circulation is achieved, the conductive interval is wide, the conductive seepage threshold value is about 1 wt%-2 wt%, when the addition amount of the conductive filler is 10 wt%, the conductivity is about 25 S / cm, and the conductivity is improved in a breakthrough mode.

The invention discloses a composite material liner and a production process thereof, and the production process comprises the following steps: carrying out plasma surface activation treatment on a foam substrate to obtain an activated foam substrate; the activated foam substrate and a polyester film are placed in ultraviolet irradiation equipment to be subjected to modified composite treatment, and a composite base material is obtained; performing line-by-line irradiation on the composite base material along a preset grid pattern based on a laser, forming a groove network structure on the surface of the composite base material, and obtaining a grid base material with grid identification lines; the grid base material is subjected to nanometer coating spraying treatment, and a coating base material is obtained; the coating base material is subjected to hot-pressing shaping treatment, and a semi-finished liner product is obtained; and the semi-finished liner is subjected to laser cutting treatment according to the preset size, and the composite liner is obtained. Through the integrated process design, the technical bottleneck that in the prior art, the surface structure machining precision is insufficient is remarkably overcome, and the applicability and reliability of the product in the electronic equipment industry, the automotive trim industry and the packaging industry are remarkably improved.

The invention provides bottle blowing equipment, and relates to the technical field of plastic molding, the bottle blowing equipment comprises a mold mechanism, the mold mechanism comprises five modules, the spacing distance between the modules is adjustable, a plurality of half mold bins are arranged on the adjacent side faces of the modules in an array mode, and half bottle necks are formed in the upper ends of the half mold bins; the bottle placing mechanism comprises four rows of bottle placing pipes which are located above the first mold block and arrayed in the width direction of the first mold block and multiple columns of bottle placing pipes arrayed in the length direction of the first mold block, and the bottle placing pipes are movably arranged in the length direction; and the inflation mechanism comprises inflation pipes matched with the bottle placing pipes in number, the inflation pipes are arranged on the same sides of the bottle placing pipes in parallel at intervals in a one-to-one correspondence mode in the length direction, are fixed at intervals and are matched with one another, the inflation pipes are movably arranged in the axial direction of the inflation pipes, and the lower ends of the inflation pipes are connected with matching heads used for being matched with the upper ends of the bottle blanks. The bottle blowing efficiency and the bottle blowing quality can be improved, the maintenance difficulty of the mold driving structure is reduced, the occupied area is small, and high practicability is achieved.

The anti-springback bottle cap structure comprises the bottle and a bottle cap, the bottle cap is composed of a turning cover and a bottle cap seat, the bottle cap seat is installed on a bottle opening of the bottle, a bottle neck ring is arranged on the bottle opening of the bottle, the turning cover and the bottle cap seat are connected through a connecting belt, after the turning cover is turned over, the bottom face of the turning cover abuts against the bottom face of the bottle neck ring, and the bottle cap is arranged on the bottle neck ring. The flip cover is clamped tightly and is directly fixed to limit the resilience of the flip cover, so that the problem that the flip cover is in direct contact with the face of a user when the user drinks water can be easily solved.

The invention discloses a modified polypropylene composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, and the modified polypropylene composite material is prepared by introducing a surface-activated two-dimensional functional filler, constructing a multiphase toughening system, designing a unique interface self-adaptive dynamic cross-linked network and combining a supercritical carbon dioxide assisted reactive extrusion process. And the technical bottlenecks of the traditional polypropylene composite material in the aspects of dimensional stability, rigidity-toughness balance and multifunctional integration are systematically solved. The composite material prepared by the invention has extremely low molding shrinkage rate (lower than 0.1%), excellent mechanical properties, efficient halogen-free flame retardance (UL-94V-0 level) and controllable antistatic performance. The preparation method is scientific in technological process and high in in-situ reaction efficiency, the efficient, continuous and green preparation process is achieved, and the method has remarkable industrial application value in the high-end fields of new energy automobiles, precision electronics, rail transit and the like.

The invention belongs to the technical field of intelligent electrochemical sensing and nano energy, and discloses a total current sensing system for identifying commercially available beverage components and a detection method. The method comprises the following steps: dropping a beverage to be detected onto the surface of a friction layer of a total-current nano-generator at a speed of 1-5 drops per second, and generating an electric signal due to a liquid-solid friction electrification effect; s2, the electric signals are collected in real time at the sampling rate of 1 kHz through a data collection module, and the signal processing flow comprises Z-score standardization, data enhancement and signal truncation so as to optimize time domain and frequency domain feature extraction. According to the method, the technical bottleneck that a traditional method depends on a professional instrument and the detection process is complex is solved through fusion of the total-current liquid drop nano-generator and deep learning, and an innovative scheme is provided for rapid on-site identification of commercially available beverage ingredients.

The utility model discloses a convenient water drinking device for pets. The convenient water drinking device comprises a base, a water storage bottle is in lap joint with one side of the base; a protrusion is fixedly connected to one side of the base, a lower clamping block is fixedly connected to the other side of the base, a water trough is formed in the middle of the lower clamping block, a groove is formed in one side of the lower clamping block, an upper clamping block is fixedly connected to one side of the groove, and an edge sealing strip is fixedly connected to one side of the upper clamping block. Wherein a bottle neck is fixedly connected to one end of the upper clamping block, a friction block is fixedly connected to the outer side of one end of the bottle neck, an opening is formed in the middle of the friction block, and internal threads are fixedly connected to the inner wall of the opening, so that the situation that the drinking trough is polluted is reduced, and meanwhile the occupied space of the drinking trough during carrying is reduced; the device can be conveniently connected with a common mineral water bottle through the opening, timely water taking outdoors is facilitated, the structure is simple, and therefore the production cost of the convenient device for pet water drinking is low.

The invention relates to the technical field of sealing adhesive tape processing, in particular to a flame-retardant heat-conducting sealing adhesive tape and a preparation method thereof.The flame-retardant heat-conducting sealing adhesive tape comprises a release layer, an adhesive layer and a base material layer; the adhesive layer is prepared from the following raw materials in parts by weight: 15-25 parts of organic silicon modified acrylic resin, 10-20 parts of epoxy modified acrylic resin, 90-100 parts of heat-conducting filler, 5-12 parts of a flame retardant, 10-15 parts of a dispersing agent and 1-3 parts of a curing agent; the heat-conducting filler comprises aluminum oxide with hydroxyl on the surface; according to the formula, the adhesive tape has good heat-conducting property, excellent bonding strength, flexibility and storage stability under the condition of ultrahigh filling of 90-100 parts, and the bottleneck of performance degradation caused by poor compatibility and dramatic viscosity increase of a traditional high-filling system is broken through; and the requirements of efficient heat dissipation and long-term reliable sealing of the power battery module are met.

The invention provides a capillary core heat pipe utilizing a low heat conduction material to overcome boiling limit, which comprises a heat pipe shell, a steam channel and a capillary core structure, the steam channel and the capillary core structure are arranged in the shell, and the capillary core structure is a composite capillary core and comprises a high heat conduction metal porous medium layer arranged on the inner wall of an evaporation section of the heat pipe shell and a high heat conduction metal porous medium layer arranged on the inner wall of an evaporation section of the heat pipe shell. The low-heat-conductivity hydrophilic porous material layer is communicated with the high-heat-conductivity metal porous medium layer through fluid, and the heat conductivity coefficient of the low-heat-conductivity hydrophilic porous material layer is lower than that of the high-heat-conductivity metal porous medium layer. The boiling limit and the maximum heat transfer capacity of the heat pipe are remarkably improved, through introduction of the low-heat-conduction material layer, heat is effectively prevented from being transmitted to a liquid backflow deep layer, the superheat degree of a liquid supply channel is greatly reduced, nucleation and growth of bubbles are fundamentally restrained, and the heat transfer limit caused by the fact that the bubbles block a flow channel is avoided. Therefore, the heat pipe can stably work under higher heat flux density, and the performance bottleneck of a traditional metal capillary core is broken through.

The invention provides a control method for online monitoring and self-correction of the spraying quality of an automobile plastic part, and relates to the technical field of automobile part machining. Comprising the following steps that according to to-be-sprayed information of a to-be-sprayed workpiece, the theoretical clamping groove position of an adaptive column is obtained; judging whether the actual surface has a target section which is not matched with the theoretical cambered surface or not; if yes, a first correction sequence corresponding to each target section is obtained, and the first correction sequence comprises a plurality of horizontal displacement point positions passed by the nozzle in the horizontal movement process in the target section and a first displacement deviation value corresponding to each horizontal displacement point position; and after the adaptive column is clamped into the theoretical clamping groove position, the spray head is controlled to conduct spraying operation along the horizontal moving path, and the corresponding first correction sequence is executed in each target section, so that a preset constant distance is kept between the spray head and the actual surface of the to-be-sprayed area all the time. The surface deviation can be recognized on line, the spraying track can be automatically corrected, and the adaptive bottleneck of a pure mechanical structure to part of special workpieces is broken through.

The invention discloses a ceramic wine bottle inner wall defect detection method and system, and relates to the technical field of automatic detection.The method comprises the steps of A1, inner wall data collection, A2, inner wall defect feature recognition and A3, inner wall defect evaluation.A first image of the inner wall of a ceramic wine bottle is obtained through three-dimensional scanning, and a three-dimensional point cloud picture is generated through denoising processing; dividing the inner wall point cloud into a bottle shoulder stress area, a bottle bottom pressure-bearing area and a bottle neck transition area; respectively calculating Gaussian curvature distribution, Euclidean distance deviation and normal vector dispersion for different areas to identify defect types; and analyzing the risk probability of each region in combination with the use environment data in the transportation process, and quantifying the reliability risk level through the comprehensive evaluation coefficient. Through multi-dimensional defect analysis and environment evaluation, the detection precision and reliability are improved, and the method is suitable for ceramic wine bottle inner wall defect detection in an industrial recovery scene.

The invention belongs to the technical field of new chemical materials, and discloses a high-strength and high-damping solid buoyancy material based on an interpenetrating network structure and a preparation method of the high-strength and high-damping solid buoyancy material based on the interpenetrating network structure. 10 to 25 parts of liquid polysulfide rubber; 1-3 parts of a coupling agent; 1-2 parts of a dispersant; 0.1 to 0.5 part of a defoaming agent; 0.5 to 1.5 parts of an initiator; 0.2 to 1 part of an accelerant; 30 to 50 parts of modified hollow glass beads; and 0-3 parts of micron-sized organic hollow microspheres. Through the design of multiple damping of the rigid-flexible interpenetrating network and the hollow microspheres, the bottleneck that a traditional buoyancy material is insufficient in damping performance is broken through, and performance coupling of high compressive strength and wide-temperature-range high damping is achieved under low density; and the problems of microbead dispersion and interface bonding are effectively solved by adopting a vacuum vibration casting process, and the advantages of simple process, low energy consumption and low cost are realized.

The invention discloses a flowing-center wiredrawing cheese snack with a multi-layer composite structure and a preparation method of the flowing-center wiredrawing cheese snack, and belongs to the technical field of food processing. The snack is formed by sequentially compounding an outer cheese layer, a middle wiredrawing glutinous rice skin layer and an inner flowing core cheese layer from outside to inside, wherein the water activity (Aw) of the three-layer structure is accurately regulated and controlled to be in a gradient relation (0.65-0.70-0.75-0.80-0.85) which is sequentially increased from outside to inside. Through cooperation of the gradient structure, a specific formula and a key process, moisture migration and texture deterioration of the product in the storage process are effectively inhibited. According to the invention, the long-term stable storage (more than or equal to 8.5 months) of the product under the condition of 25 + / -2 DEG C is successfully realized, and multiple common technical bottlenecks of flow center solidification, wire drawing performance degradation, out-of-control moisture migration, microbial pollution and the like of the existing flow center wire drawing product in a normal-temperature environment are systematically solved.

The invention belongs to the technical field of powder metallurgy, and particularly discloses an ultrahigh-plasticity medium-entropy alloy conical bushing and a preparation method and application thereof.The medium-entropy alloy is mainly composed of W, Co, Mo, Ta, La and Ni according to the specific mass fraction, during preparation, a cast ingot is obtained through vacuum melting firstly and machined into a plasma rotating electrode to prepare bimodal distribution powder, and then the powder is subjected to high-temperature sintering to obtain the ultrahigh-plasticity medium-entropy alloy conical bushing. And filling the blank into a shape control sheath, heating, degassing, carrying out seal welding, carrying out hot isostatic pressing treatment, carrying out acid pickling to remove the sheath, and carrying out heat treatment and finish machining on the blank to obtain a finished product. The density of the manufactured conical bushing is larger than or equal to 11.5 g / cm, the ductility is larger than or equal to 65%, the problem that the density, plasticity and cost of a traditional material are difficult to balance is effectively solved, and the technical bottlenecks of material segregation, product incompactness, performance anisotropy, low material utilization rate and the like in a traditional preparation process are solved; the method can be widely applied to the fields of oil exploration, weaponry, machinery manufacturing, energy industry and the like.

The utility model relates to the technical field of fire extinguishing equipment, and discloses a fire extinguisher convenient to take, which comprises a cabinet body and a fire extinguisher, a concave frame is welded on the inner wall of the cabinet body, a base is welded at the lower part of the fire extinguisher, a hook hole is clamped on the side wall of the base, a pull-down plate is hooked in the hook hole, and the pull-down plate is connected with the cabinet body. A connecting long bolt penetrates through the top of the lower pulling plate, an upper pulling plate sleeves the connecting long bolt, a nut I is in threaded connection with the connecting long bolt, a U-shaped bolt penetrates through the upper part of the upper pulling plate, the U-shaped bolt is clamped at a bottle neck of the fire extinguisher, and nuts II are in threaded connection with two ends of the U-shaped bolt. A concave buckle with a downward opening is integrally formed at one end of the lower portion of the upper pulling plate, and the concave buckle is connected with the concave frame in a matched and clamped mode. The fire extinguisher is convenient to take, the fixing structure can be installed on different fire extinguishers for use, and the universality is good.

The utility model relates to a wine bottle with a bidirectional bottle mouth connector, which is characterized in that a lower bottle mouth cover is sleeved at a bottle mouth of a lower bottle body, the lower bottle mouth cover is embedded into a lower connecting cover through pressing, the lower connecting cover is fixedly connected with a lower inner cover through threads, and the lower connecting cover is embedded into a lower outer cover through pressing. The lower inner cap penetrates through the lower outer cap and is fixedly connected with the bottom end of the middle ring in a clamped and embedded mode, the lower inner cap is provided with a blocking edge, the lower inner cap and the lower outer cap are axially prevented from falling off through the blocking edge, an upper bottle neck cap is arranged at a bottle opening of the upper bottle body in a sleeved mode and embedded into an upper connecting cap through pressing, and the upper connecting cap is fixedly connected with the upper inner cap through threads. The upper connecting cover is embedded into the upper outer cover through pressing, the upper inner cover penetrates through the upper outer cover and is fixedly connected with the top end of the middle ring in a clamped and embedded mode, the upper inner cover is also provided with a blocking edge, and the upper inner cover and the upper outer cover are axially prevented from falling off through the blocking edge. Anti-counterfeiting of the packaging bottle is achieved, and a counterfeiter can be prevented from using a special tool to damage the inner sleeve so that the bottle cap assembly can be separated from the bottle body.

The utility model relates to the technical field of chemical reagent experiments, in particular to a flask with an explosion-proof function, which comprises a safety plug, the bottom end of the safety plug vertically penetrates through an opening at the top end of a thin bottle neck, a ball bottle body is arranged at the bottom end of the thin bottle neck, and a pressure relief through pipe is arranged on the outer wall of one side of the ball bottle body. And a pressure relief valve obliquely penetrates through the interior of the pressure relief through pipe, one side of the outer portion of the ball bottle body is sleeved with a first protective net sleeve, and one side of the first protective net sleeve is connected with a second protective net sleeve in an adsorption mode. According to the improved flask and the safety plug, automatic pressure adjustment is achieved, a controllable pressure relief channel is formed, the sealing performance and the safety are balanced, the relative positions of the pressure relief valve and the pressure relief hole are changed, high-pressure gas can be conveniently diffused and discharged in a fan shape through the pressure relief hole, the impact force and danger of gas injection are reduced, meanwhile, the pressure relief valve has a reset mechanism, and the safety performance is improved. The first protective net sleeve and the second protective net sleeve can effectively intercept large glass fragments generated when the bottle body is broken, and the large glass fragments are prevented from splashing to hurt people.

The utility model relates to an anti-fake bottle cap and a bottle container. The anti-fake bottle cap comprises an inner sleeve, an outer sleeve and an outer sleeve, the inner cover is rotatably mounted on the outer side of the inner sleeve; the inner cover is sleeved with the anti-fake cover, the anti-fake cover can drive the inner cover to rotate relative to the inner sleeve, the anti-fake cover can further move in the direction away from the bottle neck relative to the inner cover, a first protruding part is arranged on the outer surface of the anti-fake cover, and the first protruding part protrudes in the direction away from the inner cover; the outer sleeve covers the anti-fake cover, the inner cover and the inner sleeve, the anti-fake cover is fixedly installed, the outer sleeve can drive the anti-fake cover to move in the direction away from the bottle neck relative to the inner cover, and the inner cover can push the first protruding part to move in the direction towards the outer sleeve, so that the outer sleeve deforms under jacking of the first protruding part. In this way, when the anti-fake bottle cap is pulled up by upward external force, the anti-fake effect is achieved in the mode that the first protruding part jacks up the outer sleeve to deform.