42results about How to "Reduce stuffiness" patented technology

The application discloses a kind of deodorization bacteriostatic casual shoes, belong to casual shoes technical field.It includes casual shoe body, the shoe tongue is integrally arranged in casual shoe body front side, vertical through strip shape zipper strip is sewn in shoe tongue middle part, wherein the zipper strip is engaged with zipper head, insole is padded in the inside of casual shoe body, the present application is provided with zipper strip and zipper head, and the setting of zipper strip and zipper head can open the whole shoe tongue half, so that shoe head part can be unfolded and cleaned and ventilated, after daily use, it can be opened naturally ventilated, avoid shoe head humid and breed bacteria, simultaneously, button female parts are matched and engaged from two sides, can separate the middle part of shoe tongue and stably dock, avoid zipper head being opened downward in daily travel, keep shoe tongue stable and adhere to instep, simultaneously, zipper strip is completely opened, can conveniently take out insole and dry and wash.

The utility model discloses a polycarbonate plate with air permeability, which relates to the technical field of building boards, and comprises a top substrate and a bottom substrate, the bottom of the top substrate is fixedly connected with the top of the bottom substrate, the top of the top substrate is provided with a top air groove, the inner side wall of the top air groove is provided with a side air groove, and the bottom of the bottom substrate is provided with a side air groove. A bottom air groove is formed in the bottom of the top base plate, the top air groove, the bottom air groove and the side air grooves communicate with one another, and a plurality of drainage grooves and vent grooves are formed in the top of the bottom base plate. The polycarbonate plate with the air permeability is provided with the top air groove, the bottom air groove, the side air groove, the vent groove and the drainage groove, when it rains, rainwater enters from the top air groove and flows into the drainage groove to be discharged, and gas enters from the top air groove, then passes through the side air groove and the bottom air groove and finally flows out from the vent groove; according to the structure, the air permeability of the polycarbonate plate can be improved, air circulation is improved, and stuffiness is reduced.

The utility model relates to a kind of air-cooled foot therapy machine, including shell and movement core, wherein: movement core central position is provided with a air passage, air passage is Y-shaped structure, two sides symmetrically are provided with the air outlet towards both feet, the end of air passage is provided with a fan, and the fan corresponds the air inlet slot of shell.The utility model has the characteristics of unique conception, simple structure, good ventilation performance;The gap between the two feet of movement core is used, the air flow is blown out both feet by organically designing air passage, which does not occupy space and can distribute air flow to both feet side using a fan;External air is sucked into by fan, and sent into foot therapy machine, and air pressure is also exchanged to outside using equipment gap, forming circulation, which can effectively take away heat, and also make internal fresh and reduce stuffy.

This utility model discloses an ear-hook earphone and earphone case suitable for wearing on both ears. The ear-hook earphone includes an ear hook and a sound-emitting part and an auxiliary part disposed at the end of the ear hook. The sound-emitting part is provided with a control board and a speaker electrically connected to the control board. When the ear-hook earphone is in the wearing state and is worn correctly, the sound hole of the sound-emitting part on the side near the user's face is facing the user's ear canal, and the touch verification part on the side of the auxiliary part near the user's face is in contact with the user's facial skin. The control board can respond to the user's command to control the corresponding speaker and output audio to the user's ear through the sound hole on the side near the user's face. The ear-hook earphone of this application can make the corresponding speaker output audio through the sound hole near the user when the user wears it on the left and right ears respectively, so as to achieve the purpose of adapting a single earphone to the user's left and right ears.

The invention relates to the technical field of belly supporting belts, and particularly discloses an intelligent belly supporting belt for pregnancy and a monitoring system of the intelligent belly supporting belt. The two sides of the abdomen supporting belt are each provided with a folding and unfolding mechanism, a fixing mechanism is jointly installed between the opposite faces of the two folding and unfolding mechanisms, a sponge cushion is installed on the inner side of the fixing mechanism, shoulder belts are installed at the top ends of the two folding and unfolding mechanisms, and the other ends of the two shoulder belts are installed at the top end of the abdomen supporting belt; a controller is installed in the middle of the outer wall of the fixing mechanism in an embedded mode. An adjusting mechanism; through meshing rotation of a driving gear and an adjusting gear and cooperation with a transmission belt, the two adjusting cylinders drive the two retracting and releasing shafts to rotate correspondingly, then the degree of tightness of the abdomen supporting belt can be automatically adjusted according to changes of the body type of a pregnant woman, it is ensured that the abdomen supporting belt is not too tight or too loose, the abdomen can be effectively supported, and the abdomen supporting effect is good. And unnecessary compression on the fetus can be avoided, so that the use effect of the bellyband is enhanced.

The application belongs to the technical field of functional textiles, and discloses a preparation method of a lyocell / hollow polyester filament interwoven fabric with high air permeability in a wet state, which comprises the following steps: one, preparing a single-sided lyocell cover hollow polyester filament single jersey: using a 32G single-sided circular knitting machine, interweaving prepared combed lyocell yarn, FDY hollow polyester filament and spandex filament to obtain a single-sided lyocell cover hollow polyester filament single jersey, and the thread length is 235mm / 100 needles, 120mm / 100 needles and 100mm / 100 needles respectively; two, preventing fibrillation; three, dyeing the hollow polyester filament; and four, dyeing the lyocell. The lyocell / hollow polyester filament interwoven fabric prepared by the application can quickly absorb sweat and still has better air permeability than that in a dry state after absorbing sweat, so that the feeling of stuffiness is reduced, and the wearing comfort of the fabric is improved.

The utility model relates to the technical field of special performance products and composite materials, in particular to a composite material and an absorption article, and the composite material comprises an EPTFE (Expanded Polytetrafluoroethylene) film and a moisture-proof and gas-proof film which are laminated; a through hole is formed in the moisture-proof and gas-proof film; the EPTFE film and the moisture-proof and gas-proof film are bonded and fixed in partial areas; the moisture and gas insulation film is in direct contact with the EPTFE film, or a barrier layer is arranged between the moisture and gas insulation film and the EPTFE film. The composite material provided by the utility model has the advantages of high air permeability and low moisture permeability, so that part of moisture can be discharged from the core body, and the external environment cannot be influenced. In addition, residual liquid in the interlayer space can be sucked back into the absorption layer through the through holes, so that the air permeability of the composite material is kept, and the composite material has good comfort and leakage resistance.

This utility model relates to the field of underwear molded cup technology, specifically disclosing a breathable underwear molded cup, including an underwear molded cup body. The underwear molded cup body is composed of a skin-friendly breathable layer, a three-dimensional support skeleton layer, and an outer shaping layer, arranged in the following order from the inside out: the underwear molded cup body consists of the skin-friendly breathable layer, the three-dimensional support skeleton layer, and the outer shaping layer. The three-dimensional support skeleton layer has a three-dimensional mesh structure and is filled with phase change temperature-regulating microcapsules. An air convection channel is formed between the three-dimensional support skeleton layer and the outer shaping layer. This utility model forms a self-driven air circulation system through a three-stage linkage of rapid moisture wicking by the skin-friendly breathable layer → vapor permeability through the mesh gaps of the three-dimensional support skeleton layer → active heat dissipation through the air convection channel, improving the breathability efficiency by more than 40% compared to traditional molded cups; at the same time, the phase change temperature-regulating microcapsules absorb / release heat when body temperature fluctuates, reducing the duration of stuffiness by 50%.

This utility model discloses a comfortable medical protective mask, including a mask body, a mask surface, and ear loops. The mask body includes a mask surface and two plastic frames symmetrically arranged on both sides of the mask surface. A face support strip, fixedly connected to the mask surface, is arranged parallel to the inner side of both plastic frames. An ear loop is provided on one side of each plastic frame via a mating protrusion, and an adjustment block is installed on the ear loop. A first strap and a second strap are respectively provided at the top of the two ear loops. A buckle is provided at the top of the first strap, and a fixing strip matching the buckle is provided at the top of the second strap. This utility model, by symmetrically arranging two plastic frames on both sides of the mask surface and providing a face support strip fixedly connected to the mask surface parallel to their inner sides, creates a three-dimensional space inside the mask surface when unfolded, providing a more comfortable breathing experience when worn.

The utility model belongs to the sole technical field provides the perspiration and moisture absorption antibacterial composite sole, include: sole body, the sole body includes the slow shock antibacterial layer, slow shock antibacterial layer one side is connected with the sweat absorption layer, the sweat absorption layer is connected with the perspiration layer far from slow shock antibacterial layer one side, the perspiration layer is connected with the antiskid waterproof layer far from sweat absorption layer one side, slow shock antibacterial layer contacts foot, slow shock antibacterial layer is used for providing slow shock and antibacterial, the sweat absorption layer is used for absorbing the perspiration of foot, the perspiration layer is used for promoting the evaporation of perspiration and air circulation, the antiskid waterproof layer is contacted with ground, the antiskid waterproof layer is used for providing antiskid, the utility model discloses through the scientific collocation and reasonable layout of four different function materials, not only has promoted the wearing comfort, still has shown the remarkable superiority in foot health protection, environmental adaptability and safety etc.

The utility model relates to the field of medical fixing instruments, in particular to an adjustable cardiac pacemaker postoperative compression fixing structure which comprises an oversleeve and an elastic bandage, the front side of the oversleeve is connected with a chest compression piece, the rear side of the oversleeve is connected with a back connecting piece, the chest compression piece is used for covering dressing at an incision, and the back connecting piece is used for connecting the back connecting piece. The rear end of the elastic bandage is fixed to the back connecting piece, a fixing buckle is arranged on the chest pressing piece, the elastic bandage can penetrate through the fixing buckle, a hook face of a hook-and-loop fastener is arranged on the surface of the front end of the elastic bandage, and a suede face of the hook-and-loop fastener is arranged on the other portion of the surface of the elastic bandage. The compression structure solves the problem that an existing compression structure is common in compression effect.

The utility model discloses a flame -retardant heat -insulation waterproof moisture -permeable fabric, including polytetrafluoroethylene moisture -permeable membrane, first flame -retardant fiber water -jet felt and second flame -retardant fiber water -jet felt, polytetrafluoroethylene moisture -permeable membrane with first flame -retardant fiber water -jet felt between, through first point shape flame -retardant adhesive and stick together, first flame -retardant fiber water -jet felt with second flame -retardant fiber water -jet felt between, through second point shape flame -retardant adhesive and stick together, wherein, second flame -retardant fiber water -jet felt has multiple pinholes of array, to increase the moisture -permeability of fabric. The utility model discloses a flame -retardant heat -insulation waterproof moisture -permeable fabric, polytetrafluoroethylene moisture -permeable membrane, first flame -retardant fiber water -jet felt and second flame -retardant fiber water -jet felt three layer materials and stick together, second flame -retardant fiber water -jet felt has multiple pinholes of array, and the whole fabric heat protection performance (TPP) is good, and the moisture -permeability is high, and has the function of moisture absorption and sweat -releasing.

The utility model relates to the technical field of air direction adjustment, and discloses a multi-direction adjusting air supply device which comprises an air supply assembly used for being installed at an air outlet and supplying air in multiple directions, and four air direction adjusting and controlling units used for controlling the air direction are annularly arranged in the air supply assembly. The wind direction regulation and control unit comprises a plurality of wind direction regulation assemblies used for controlling wind flowing, a transmission assembly used for controlling the swing angles of the multiple wind direction regulation assemblies, a guide assembly used for assisting the transmission assembly to move up and down linearly in the longitudinal direction, and a supporting assembly used for stably installing the guide assembly, the transmission assembly and the wind direction regulation assemblies. The working principle of the multi-direction adjusting air supply device is based on synchronous or independent operation of the four air direction adjusting and controlling units, stable supporting provided by the supporting assembly for each unit, accurate guiding guaranteed by the guiding assembly, power transmission provided by the transmission assembly and air flow direction adjustment achieved by the air direction adjusting assembly, and the multi-direction air supply effect is achieved.

This utility model discloses a non-woven protective round hat, relating to the technical field of non-woven hats. The non-woven protective round hat includes a hat body and a brim. The hat body has a seamless three-dimensional structure with evenly distributed ventilation holes at the top and a ring-shaped support frame on the inner side. The brim extends and widens along its height, comprising an elastic and non-elastic section, which are alternately arranged. A section of hook-and-loop fastener is located at the non-elastic section on the outer surface of the brim, bonded to a hook-and-loop fastener, with one end of the hook-and-loop fastener connected and fixed to the non-woven fabric of the non-elastic section. This utility model employs a segmented elastic design for the brim, an adjustable brim size design, a three-dimensional design for the hat body, and a breathable design, further improving the wearing comfort of the non-woven round hat.

The invention relates to the field of daily chemicals, in particular to alkoxy active group terminated modified siloxane and a preparation method thereof. The siloxane molecular structure comprises an ethyoxyl-terminated linear siloxane main chain, a middle amino-containing side chain unit and a methylsiloxane unit. The preparation method comprises the steps of hydrolytic condensation, negative-pressure low-temperature removal, ring opening and end capping and the like, and process parameters are accurately controlled to ensure the product performance. Through the synergistic effect of an amino side chain and an alkoxy end group, the hair quality flexibility, the damage resistance and the moisturizing effect are remarkably improved, meanwhile, the residual risk is reduced, and the shampoo is suitable for large-scale industrial production and has remarkable technical progress and market prospects.

The utility model discloses a novel elastic yarn and a fabric thereof, which belong to the field of textile, and comprise bamboo fiber filaments and elastic fibers as yarn cores, and hollow chinlon wound on the surfaces of the bamboo fiber filaments and the elastic fibers, the hollow chinlon winds the bamboo fiber filaments and the elastic fibers back and forth in an 8 shape to form a composite core yarn, the surface of the composite core wire is coated with a natural cellulose fiber coating layer. The yarn has good structural stability, the yarn core can be prevented from displacing in the using process, the hollow structure provides a buffering effect, and the restraining effect of the bamboo fiber filaments is combined, so that the elastic fibers are prevented from being excessively stretched; the natural cellulose fiber coating layer on the outer layer is good in moisture absorption, the hollow chinlon can utilize a hollow structure to assist in moisture conduction, the bamboo fiber filaments also have good moisture absorption and air permeability, the three parts are matched to avoid accumulation of excessive moisture in the shallow layer of the yarn, transfer of the moisture locally absorbed by the yarn in the length direction of the yarn can be accelerated, and stuffiness can be reduced.

The utility model discloses a kind of degradable wood fibre seedling pots with built-in slow-release nutrient package, belong to wood fibre seedling pot technical field, including wood fibre seedling pot body, the inside bottom end position of wood fibre seedling pot body is provided with limiting slot, limiting slot is inserted with slow-release nutrient package bag body inside.In the production and processing of wood fibre seedling pot body, slow-release nutrient package bag body is directly placed inside limiting slot, the setting of slow-release nutrient package bag body, it is helpful to the growth of seedling, provides nutrient substance;The inside bottom end of wood fibre seedling pot body is fixedly connected with lining ring, the inner surface of protective cover is fixedly connected with lining pad and limiting ring, the outer surface of protective cover is fixedly connected with traction belt, then protective cover is inserted in the inside position of wood fibre seedling pot body, until the bottom end of limiting ring and lining ring correspond, it is convenient to assemble and fix processing, slow-release nutrient package bag body protection.

This utility model relates to the field of orthopedic fixation splint technology, and discloses a malleable thumb fracture fixation splint, including a finger mold. A protective pad is placed inside the finger mold. A silicone layer is fixedly disposed on the upper end of the protective pad. An odor-removing layer is fixedly connected to the lower end of the silicone layer. A cooling gel layer is fixedly connected to the lower end of the odor-removing layer. Two mounting plates are fixedly disposed on one side of the finger mold. Triangular locking blocks are fixedly disposed on one side of the two mounting plates. Connecting pins are rotatably disposed inside one side of the two mounting plates. Buckles are rotatably disposed on the outer walls of the two connecting pins. In this utility model, the splint allows for quick replacement of the protective pad, reduces the temperature around the thumb, alleviates the patient's thumb's stuffiness, and facilitates quick putting on and taking off by medical staff or patients. It prevents the device from falling off or shifting during patient activity, thus avoiding secondary injury.

The utility model belongs to clothing equipment technical field, concretely is a kind of multi-zip ultraviolet-proof clothes, including: body, body is made of ultraviolet-proof fabric;Front, sleeve, hem and clothes both sides of body are provided with zipper;Front is provided with a main zipper, and the both ends of main zipper extend to collar bottom and body bottom respectively;Sleeve is provided with a ring zipper respectively, and ring zipper is set along the circumferential direction of sleeve;Hem is provided with a transverse zipper, and the both ends of transverse zipper extend to clothes both sides respectively;Clothes both sides are provided with a vertical zipper respectively, and the one end of vertical zipper is connected with the transverse zipper of hem, and the other end extends to underarm position.The utility model is provided with multiple zippers on the front, sleeve, hem and both sides of body, and the degree of opening and closing of clothes can be adjusted flexibly according to actual demand by wearer, so that good ventilation effect is realized.

This utility model relates to the field of disposable hygiene products, specifically to a breathable menstrual panty that solves the problem of insufficient breathability at the waistband of existing menstrual panty structures. The panty includes a main body comprising a liquid-permeable surface layer, an absorbent core, and a liquid-impermeable bottom layer stacked from top to bottom. The main body has a longitudinal direction (length) and a transverse direction (width). Longitudinally, it is divided into a front waistband area near the front of the body, a back waistband area near the back of the body, and a crotch area between the two. An elastic waistband is sandwiched between the liquid-permeable surface layer and the liquid-impermeable bottom layer in the front and / or back waistband areas. A non-elastic perforated section is provided between the front and / or back waistband areas and the crotch area. Strip-shaped Velcro fasteners for adding fixing points are arranged on the liquid-impermeable bottom layer in the perforated section of the front and / or back waistband areas. This utility model is applied in the production of menstrual panties.

This utility model provides a bra for use with nursing pads, comprising: a bra body and two circular placement slots. The two circular placement slots are respectively disposed on the inner surface of the bra body, and nursing pads are placed inside the two circular placement slots. This utility model provides a bra for use with nursing pads. The two circular placement slots on the inner side of the bra body are designed to accommodate two nursing pads. The overall breathability during use enhances comfort for breastfeeding women, reducing stuffiness. When used with the nursing pads, the release paper on the back of the pads does not need to be removed, effectively eliminating the problem of adhesive residue on the bra body after use. This keeps the bra clean and reduces the risk of skin irritation.

The utility model discloses a schoolbag carrying system based on a bionic structure, which comprises a back body connected with a bag body, the back body is provided with a first module and a second module which are bilaterally symmetrical, and a third module arranged between the first module and the second module, and a fourth module is arranged below the three modules; the first module and the second module are divided into four groups of pressure dividing modules from top to bottom to form a bionic supporting structure which is used for fitting the physiological curvature of the spine, and the contact area ratio of the four groups of pressure dividing modules is 3: 4: 2: 3. According to the utility model, by virtue of the bilateral symmetry sectional type partial pressure modules and the design of non-uniform contact area and parting lines, vertical pressure transverse dispersion, dynamic pressure distribution, self-adaptive adjustment and ventilation structures are realized, the problem of insufficient spine protection function of the traditional schoolbag is solved, and burden reduction, spine protection and comfort improvement are realized at the same time.

The utility model relates to the technical field of earphones, and provides an ear clip type earphone, which comprises an earphone main body, a connecting piece, an electronic element and a bending piece, a first cavity is formed in the earphone main body; the connecting piece is connected with the earphone main body, and a second cavity communicated with the first cavity is formed in the connecting piece; the electronic element is arranged in the first cavity or arranged in the first cavity and the second cavity; one end of the bending piece is connected with the connecting piece, and the other end of the bending piece can be bent relative to the connecting piece to clamp a helix together with the connecting piece; the bent part is provided with an air hole for the clamped helix to be exposed. According to the ear clip type earphone provided by the utility model, the electronic element is arranged in the first cavity or in the first cavity and the second cavity, so that the weight of the bending piece is reduced; and on the other hand, the bent part is provided with the air hole for exposing the clamped helix, so that the earphone has good air permeability during clamping, the stuffiness feeling caused by long-time wearing of the earphone is reduced, and the wearing comfort is improved.

The utility model discloses an ultraviolet disinfection machine which comprises a walking device, an ultraviolet lamp structure and an atomizer structure are arranged in the walking device, an air inlet and an air outlet are arranged on a shell of the walking device, an air duct is arranged between the air inlet and the air outlet, a cooling and humidifying structure is further arranged in the walking device, and the cooling and humidifying structure is located on the air duct. On one hand, cooling and humidifying can be carried out on a site with dense personnel, the muggy condition is avoided, air can be purified, on the other hand, air circulation on the site can be enhanced, the concentration of indoor harmful substances can be effectively reduced, breeding of microorganisms such as bacteria can be reduced, and virus spreading can be better and effectively avoided; therefore, a better sterilization effect is achieved, the structure is simple, and the cost of the ultraviolet sterilizer can be reduced.

The utility model discloses a 3D printing football leg guard plate, and belongs to the field of sports protection equipment. A 3D printing football leg guard plate comprises a hard layer and a soft layer, the hard layer and the soft layer are made through 3D printing, the bottom face of the hard layer is connected with the top face of the soft layer, the cross section of the hard layer and the cross section of the soft layer are each of an arc-shaped structure, and the hard layer and the soft layer are each of a net-shaped porous structure. The upper part and the lower part of the hard layer are in arc protruding shapes, and the left side and the right side of the hard layer are of arc structures bent inwards. The hard layer and the soft layer are both of a net-shaped porous structure, accurate distribution of materials is achieved through the 3D printing technology, the overall weight of the leg guard plate is effectively reduced, and wearing comfort and movement flexibility are improved. Due to the net-shaped porous structure, the weight is reduced, the air permeability of the leg guard plate is improved, perspiration and heat dissipation are facilitated, the stuffiness feeling caused by long-time wearing is reduced, and the exercise experience is improved.

The utility model relates to the technical field of forest fire extinguishing, and particularly discloses a portable forest fire extinguishing device, which comprises a pneumatic extinguisher mechanism, a fire extinguishing system, a fire extinguishing system and a fire extinguishing system, the waist supporting mechanism comprises a waist supporting assembly which is clamped and embedded on the back bearing assembly in a sliding mode. By rotating a handle, a two-way threaded rod is driven to rotate, so that two sliding blocks move in the opposite directions that the sliding blocks get close to each other or get away from each other along guide rods, the radian of an arc-shaped elastic plate is adjusted, and the arc-shaped elastic plate is tightly attached to the waist; the adjustable design not only can adapt to waist curves of different users, but also can effectively disperse the weight and relieve the pressure of a specific area of the waist, particularly, the fatigue feeling can be remarkably reduced during long-time bearing, the air permeability is further improved through the air holes in the arc-shaped elastic plate, and the stuffiness feeling caused by long-time use is reduced.

The utility model relates to the field of wireless transmission devices, and discloses a one-key interconnection wireless full duplex talkback earphone convenient to use, which comprises a main body mechanism, the main body mechanism comprises two earphone frames and a rotary adjusting rod, a supporting mechanism is fixedly arranged at the upper end of the main body mechanism, the supporting mechanism comprises a fixed frame, and the fixed frame is fixedly arranged on the main body mechanism. A plurality of spring telescopic rods are fixedly arranged at the positions, close to the front end and the rear end, of the inner top face of the fixing frame, rubber air cushions are fixedly arranged at the lower ends of the spring telescopic rods, and an air blowing mechanism is fixedly arranged at the upper end of the main body mechanism and comprises an inflation protection bag. Fixing plates are fixedly arranged at the lower ends of the two sides of the inflation protection bag, and a groove is formed in the inner top face of the inflation protection bag. According to the talkback earphone, the supporting mechanism and the blowing mechanism are arranged in the talkback earphone, interaction of the two supporting modes can be achieved in the using process, the stuffiness of the scalp is effectively relieved, and then the comfort degree is improved.

The utility model discloses a lighting helmet for elevator maintenance belongs to elevator maintenance accessory technical field, including outer helmet, the outer helmet front side is fixed with the brim, the brim top detachable installation has the lighting component of lighting mode changeable, the outer helmet inner wall fixed mounting has the sweat absorption subassembly, and the outer helmet bottom fixedly connected with two fastening bands, and the end of two fastening bands is through the cooperation joint of outer buckle and inner buckle, the utility model discloses the main lighting lamp on lighting component and the alternate setting of double auxiliary lighting lamp provide sufficient and have backup guarantee's lighting, ensure complex, dim elevator shaft work field of view clear uninterrupted, and the maintenance personnel can according to use requirement to the dismounting of main lighting lamp, make handheld use main lighting lamp more convenient, utilize sweat absorption subassembly simultaneously, effectively promote the ventilation heat dissipation effect of wearing time, active adsorption sweat, alleviate the hot feeling, improve the comfort degree of long time operation.

This utility model relates to the field of cold chain logistics equipment technology, and in particular discloses an energy-saving cold storage negative pressure micro-ecological controlled atmosphere preservation cabinet, including an insulated cabinet body. The interior of the insulated cabinet body is divided into a cold storage chamber and a control chamber by a partition. A negative pressure pump is installed above the insulated cabinet body to remove air from the cold storage chamber. A refrigeration unit is fixed above the insulated cabinet body to cool the cold storage chamber. An air duct is fixed to the top of the cold storage chamber, and several ventilation holes are evenly arranged along the length of the sidewalls and bottom of the air duct. A static pressure box connected to the air duct is fixed in the control chamber. The air inlet of the static pressure box is connected to a cold air blower and a hot air blower via Y-type connectors. The beneficial effects are: through three core mechanisms—forced permeation precooling driven by negative pressure, closed-loop microenvironment humidification, and multi-factor dynamic synergistic controlled atmosphere—it completely solves the pain points of slow precooling, excessive water loss, and difficult atmosphere control in traditional preservation technologies, effectively improving the preservation efficiency of fruits and vegetables.

The invention relates to the technical field of massage cushions, and discloses a hard-shell-free flexible massage cushion which comprises an outer-layer sleeve bag, a frame assembly, a massage unit and a ventilation unit. Wherein the frame assembly, the massage unit and the ventilation unit are all arranged in the outer-layer cap bag, an opening is formed in one end of the outer-layer cap bag, a zipper is arranged at the position of the opening, a plurality of air holes are formed in the outer-layer cap bag, covering cloth is arranged on the side face of the outer-layer cap bag, the covering cloth is arranged right opposite to the air holes, and the outer-layer cap bag is arranged on the outer-layer cap bag. And one side of the covering cloth is fixedly connected with the outer-layer cap bag. By adopting the design of the shell-free flexible back cushion, the whole structure is lighter and thinner, the occupied space is reduced, the flexible rack design replaces a traditional hard shell structure, the attractiveness of the product is improved, and the back cushion better meets the aesthetic requirements of modern home furnishing.