27results about How to "Avoid bulging" patented technology

This utility model discloses a well-formed packaging box, relating to the field of packaging structure technology. It includes a main body area and a lid area for sealing. At least one lid area has an adhesive portion, which includes a first adhesive area, a cutout area, and a second adhesive area. After the packaging box is assembled, the multiple lids in the lid area form a structure of at least three layers, sequentially including an inner lid, a middle lid, and an outer lid from the inside to the outside of the box. By providing a first adhesive area on the inner lid, a cutout area on the middle lid corresponding to the first adhesive area, and a second adhesive area on the outer lid near the middle lid, the outer lid can simultaneously adhere to the inner lid through the cutout area when it is glued to the middle lid. This increases the number of lids that can be glued and fixed, avoids some lids from bulging or warping, and ensures the overall aesthetics and structural stability of the packaging box.

The utility model relates to the technical field of safety air bag, concretely relates to a far end air bag air bag pull belt of composite structure, including air bag, the air bag is composed of two air bag main pieces, is provided with the composite pull belt mechanism between two air bag main pieces, the composite pull belt mechanism includes horizontal limiting pull belt mechanism and longitudinal limiting pull belt mechanism, horizontal limiting pull belt mechanism is used for limiting air bag horizontal expansion, longitudinal limiting pull belt mechanism is used for limiting air bag longitudinal expansion, and the composite pull belt mechanism is formed through C type pull belt and X type pull belt, and C type pull belt limits air bag longitudinal excessive expansion, and X type pull belt controls horizontal volume, makes air bag realize optimal protection coverage in limited space, improves air bag use effect.

The utility model provides a kind of explosion-proof and leakage-proof shell structure of solid capacitor, including shell, shell includes lower shell and upper shell, the bottom of lower shell is provided with the base that is outwardly convex, for stabilizing shell, the outer side of lower shell is fixedly connected with protective strip, lower shell bottom upper end surface is provided with pin protection sleeve, the top inner wall of lower shell is fixedly connected with inboard edge strip, the upper end surface of inboard edge strip is provided with guide hole, the lower end surface of upper shell is fixedly connected with guide column;Lower shell is provided with mounting assembly inside, for installing solid capacitor.The utility model sets up heat dissipation hole on upper shell, cooperate lower shell heat dissipation cavity, heat is dissipated immediately, prevent the risk of bulging and explosion caused by internal pressure sudden rise;Lower shell bottom is provided with pin protection sleeve, positive and negative pole pin is inserted into protection sleeve, avoid pin skew, misplacement, while pin protection sleeve provides external support for pin, prevent pin from shaking after welding.

The application discloses a multiple-reinforced steel-plastic composite pipe for low-pressure drainage and relates to the technical field of steel-plastic pipe fittings.The pipe body is internally lined with a support pipe;the outer side wall of the pipe body is provided with a reinforcing assembly;the middle part of the inner side wall of the pipe body is provided with an inner pipe;and a cavity is arranged between the pipe body and the outer side wall of the inner pipe;the inner side wall of the pipe body is provided with a clamping assembly at both ends;the clamping assembly is connected with a connecting piece;and a sealing ring is arranged between the clamping assembly and the connecting piece.The multiple-reinforced steel-plastic composite pipe for low-pressure drainage effectively improves the overall strength and deformation resistance of the pipe, avoids the separation of the steel and plastic layers, has high structural stability, simultaneously adopts a bidirectional clamping limiting and double-sealing structure, greatly improves the pipeline butt joint precision and sealing reliability, can effectively prevent interface leakage and silt backflow, is suitable for complex low-pressure drainage working conditions, has a longer service life, and can adapt to displacement and settlement.

The utility model provides a novel garbage basket, including the barrel body and the bottom, the barrel body is the network structure, is equipped with the through -hole that lets garbage bag or / and garbage bag gathers the rope to pass in the barrel body opening, because the barrel body is the network structure, when people put on garbage bag in the barrel, the air in the barrel can go out through the network structure barrel body, can effectively prevent air to gather between the barrel body and garbage bag, avoid garbage bag to swell, convenient garbage bag fast sleeve joint in the garbage basket. In addition, when the garbage bag is sleeved in the garbage can, the garbage bag at the barrel mouth can be tightened, the garbage bag or garbage bag gathers the rope that has not been sleeved in the barrel mouth is put into the through -hole of the barrel body, thereby avoiding the garbage bag at the barrel mouth to be loose, simple and beautiful, guarantee the garbage bag at the barrel mouth not to be pulled down by the garbage. When the garbage bag is full of garbage or needs to take away the garbage, can directly take out the garbage bag or / and its gathers the rope in the through -hole and lifts to can pack the garbage well, again take to the appointed position and drop, convenient to use.

The utility model discloses a light-weight impact-resistant automobile fuel tank which comprises a tank body, a carbon fiber reinforced plastic outer layer, a middle damping interlayer and a stainless steel inner layer are sequentially arranged on the side wall of the tank body from outside to inside, and a leakage detection sleeve is sleeved outside the tank body. Distributed optical fiber sensors matched with the box body are evenly arranged on the leakage detection sleeve, and one end of the leakage detection sleeve is electrically connected with a control box through a wire. The carbon fiber reinforced plastic outer layer and the like are arranged, so that the structure of the device is optimized, and the box body is arranged to be a composite structure body composed of the carbon fiber reinforced plastic outer layer, the middle damping interlayer made of butyl rubber and the stainless steel inner layer, so that compared with a common single metal or plastic structure, the structure is simple and convenient. The overall weight of the box body is reduced, the structural strength and impact resistance of the box body are improved, and the device has the advantages of being light in weight and resistant to impact and is convenient to popularize.

The utility model discloses a kind of material supporting plate for plate stamping, it is related to plate stamping technical field, including lower die holder, horizontal plate, elastic component and rolling assembly;Lower die holder front side is equipped with a horizontal plate, horizontal plate upper surface and lower die holder upper surface are on the same horizontal plane to form a larger contact area with plate material contact surface, a rolling assembly is connected with elastic component on horizontal plate, to form a plate material moving cavity with elastic function between rolling assembly and horizontal plate. Through this design, in the process of entering waste area, plate material waste continuously contacts with horizontal plate, the design of horizontal plate increases the contact area of lower die holder and plate material, and then reduces the gravity of plate material waste after entering waste area, in addition, plate material waste continuously receives the elastic pressing of pressure roller, so that plate surface is always flat during the movement of plate material waste along plate material waste area, and then avoid the bulging and warping problem during stamping process in plate material stamping area.

The utility model belongs to the technical field of spray guns, and particularly discloses a vacuum one-way valve spray gun. The spray gun comprises a gun head and a base and is characterized in that an exhaust valve is arranged between the gun head and the base, a nozzle is arranged on one side of the gun head, an adjusting assembly is arranged on one side of the nozzle and comprises an adjusting block, and a fixing head is arranged on one side of the adjusting block. The relative angle between the fixed head and the nozzle can be quickly changed only by easily shifting the adjusting block, and accurate regulation and control on the spraying angle are realized, so that the workload of an operator is greatly reduced, the fatigue feeling caused by keeping an uncomfortable posture for a long time is reduced, the working efficiency is improved, and the labor intensity of the operator is reduced. And the surface of an object can be evenly covered in various environments, spraying dead angles are effectively avoided, the spraying effect and quality are remarkably improved, meanwhile, coating waste caused by the poor angle is reduced, and the production cost is reduced.

The invention discloses a winding device for film production, which comprises a workbench, a mounting plate arranged on the upper part of the workbench, a first motor fixedly mounted on one side of the mounting plate, a winding roller arranged on the upper part of the workbench, a guide roller arranged on the upper part of the workbench, and a processing assembly arranged on the upper part of the workbench, the machining assembly comprises a dust removal mechanism arranged on the upper portion of the workbench, a dismounting and mounting mechanism is arranged on one side of the workbench, a fixing mechanism is arranged on the upper portion of the workbench, a pressing mechanism is arranged in a mounting plate, a lead screw is rotationally connected with the workbench through a bearing, and a connecting block is in threaded connection to the outer wall of the lead screw. The sliding plate is in sliding connection with the workbench through a connecting block. The film winding device solves the problems that an existing device cannot treat dust and impurities in air above a film, the dust and impurities fall onto the film and are wound, the swelling phenomenon is likely to occur, and the film winding effect is poor.

The application relates to the technical field of welding processing equipment, and discloses a component positioning and welding tool of a remote controller, which comprises a base, a supporting base is arranged at the middle of the bottom end of the base, an electrical box for providing control and energy supply for the whole device is arranged in the supporting base; a conveying and discharging mechanism is arranged at the middle of the top end of the base and is used for conveying a printed circuit board in the remote controller and discharging static electricity generated by friction on the printed circuit board. When the printed circuit board on the remote controller is subjected to welding processing of metal springs, ion wind generated by an ion fan in the removing protection mechanism is pressurized through a flat accelerating part and can be concentratedly sprayed to a welding area, so that partial static electricity generated in the welding process can be comprehensively eliminated, hidden damage of integrated circuits caused by static electricity residues can be avoided, the ion wind can also blow the flexible grounding sheet to contact the plate body, a secondary static electricity discharging channel is formed, and double protection is provided for static electricity removal.

The application discloses a kind of poultry processing production line, it is related to poultry processing technical field, the present application, including: frame, frame is provided with connecting plate one, connecting plate one is provided with conveying equipment, the top of connecting plate one is fixedly connected with electric slide rail, the moving end of electric slide rail is fixedly connected with mobile T plate, the top of mobile T plate is fixedly connected with fixed frame one, the below of fixed frame one is provided with push mechanism, the inner wall of conveying equipment is provided with cleaning mechanism, the present application makes nozzle by water pipe and water pump in storage tank liquid is sprayed to the surface of goose, can carry out clean water cleaning to the surface of goose, after washing, enter scalding pool, can reduce the pollution to scalding pool, can improve the production quality of subsequent goose, reduce pollution, improve the goose processing production efficiency of the device, can make the clean water that nozzle sprays clean the root of goose feather, turn up the root of goose feather outward, expose goose feather root and skin.

The utility model discloses a waterproof bulge-preventing label which comprises a composite label layer, a waterproof layer is arranged on the outer side of the composite label layer, an adhesive layer is arranged at the bottom of the composite label layer, a super glue layer is arranged at the bottom of the waterproof layer, and release paper is arranged at the bottoms of the adhesive layer and the super glue layer. An annular groove is formed in the edge of the bottom of the composite label layer, and multiple sets of exhaust inclined holes communicating with the annular groove are formed in the outer side of the waterproof layer. According to the utility model, the composite label layer, the adhesive layer, the annular groove and the exhaust inclined holes are matched with one another, so that the air guide channel is formed at the bottom of the label through the latticed structure of the adhesive layer, and when the label is pasted, air at the bottom can be discharged outwards from the exhaust inclined holes through the flow guide of the flow channel, so that bubbles can be prevented from remaining, and the label is prevented from bulging; and the pasting effect of the label is improved.

This utility model relates to the field of laundry detergent packaging technology, and discloses a foldable and flat laundry detergent packaging bag, including a bag body. The top two sides of the bag body are fixedly connected to slots, and the middle and bottom sides of the bag body are fixedly connected to buckles. A second magnet is disposed inside each slot, and a first magnet is fixedly connected to the middle of each buckle. A cushioning strip is disposed on the outer wall of the bag body, a first sealing plate is disposed on the front outer wall of the bag body, and a second sealing plate is disposed on the outer wall of the first sealing plate. Locking components are disposed on the outer walls of both the first and second sealing plates. In this utility model, the packaging bag uses a cushioning strip to guide folding and prevent bulging, and the slots, buckles, and magnets provide a stable fixation. It can be folded in multiple sections to save space. Simultaneously, the threaded post and nut, together with the sealing cap, provide a double seal to prevent leakage. The sealing plate can compress the space to expel air, and when the remaining amount is small, it can collect residual laundry detergent towards the outlet, improving practicality and reliability.

The invention relates to the technical field of gluing. The invention discloses a fillet gluing mechanism for a glass production line and a use method of the fillet gluing mechanism, and aims to solve the problems that when the side end of glass is glued, a worker usually completes gluing work by adjusting the direction of the output end of a gluing machine to move along the side end of the gluing machine, and when facing the glass with an arc angle, the glue cannot be sprayed on the side end of the glass. A gluing machine cannot adjust the glue output amount according to different angles of an arc, meanwhile, an output end cannot be always attached to the arc by hand holding, so that the gluing effect is influenced, meanwhile, in the gluing process, glue is extremely easy to overflow from the upper side and the lower side of glass and needs to be scraped by workers, and the working efficiency is low. According to the invention, the extrusion glue outlet device and the adjusting auxiliary assembly work, so that the glue outlet amount of the glue pipe can be synchronously adjusted according to the angle of the arc of the glass when the side end of the glass is glued, and meanwhile, glue overflowing from the two sides of the glass is cleaned, so that the gluing effect and the working efficiency are greatly improved.

The invention relates to the technical field of planter equipment, in particular to a spacing-adjustable soybean and corn strip-shaped composite planter which comprises a traction frame, a seed-metering device, a seed-metering pipe, a fertilizer applicator and a fertilizer applying pipe, a sliding rail is arranged on the traction frame, a mounting seat is slidably mounted on the sliding rail, the seed-metering device and the fertilizer applicator are both arranged on the mounting seat, and the fertilizer applying pipe is arranged on the mounting seat. A seed metering pipe and a fertilizer applying pipe are arranged on the seed metering device and the fertilizer applying device, two guide rails are arranged on the mounting seat, guide pipes are arranged in the two guide rails, the two guide pipes are respectively sleeved on the seed metering pipe and the fertilizer applying pipe, each guide pipe is divided into an insertion part, a hose and a sliding part, and the insertion part is connected with the sliding part through the hose. The insertion part is connected with the sliding part through the hose, so that the guide pipe can rotate after being inserted into soil, the guide pipe is prevented from pulling the film, the film is prevented from being damaged greatly, the film is prevented from being lifted to generate bumps, the heat preservation, moisture preservation and weed suppression effects of the film are guaranteed, and planting benefits are guaranteed.

The utility model discloses a fabric stretching testing device, which comprises a base, a stretching mechanism and a clamping mechanism, the stretching mechanism is positioned on the base and comprises a fixed seat, a movable seat and a driving piece, and the driving piece is used for driving the movable seat to move towards or away from the fixed seat. The clamping mechanism comprises two clamping assemblies which are arranged on the fixed seat and the movable seat respectively, each clamping assembly comprises a clamping rack, a winding shaft, a pressing block and a locking piece, and the winding shafts are rotationally arranged on the clamping racks; the pressing block is located on the winding shaft and used for pressing the fabric on the winding shaft. The locking piece is used for locking the winding shaft on the clamping rack so as to restrain rotation of the winding shaft. According to the utility model, the problem of fabric slipping in the testing process can be effectively avoided.

The invention discloses a pressurization pre-charging system of a soft package battery. The pressurization pre-charging system comprises a controller, a pressure container, an air pressure regulation and control unit, a pre-charging unit and a sensing monitoring unit, the pressure container is provided with an air inlet and an air outlet, the pressure container is used for placing a soft package battery, and the air pressure regulation and control unit is electrically connected with the air inlet and the air outlet; the pre-charging unit is configured to pre-charge the soft package battery; the sensing monitoring unit is used for monitoring the pressure in the pressure container; the air pressure regulation and control unit is used for controlling the pressure in the pressure container to be uniform by controlling opening and closing of the air inlet and the air outlet; the controller is electrically connected with the air pressure regulation and control unit, the pre-charging unit and the sensing monitoring unit, and the controller is configured to control the pre-charging unit to pre-charge the soft package motor; and the air pressure regulation and control unit is controlled to work according to monitoring data of the sensing monitoring unit.

The application discloses a kind of low ESR wide temperature range aluminum electrolytic capacitor and preparation method thereof, first to anode foil multistage corrosion treatment, then preparation electrolyte, then the positive pole foil strip and negative pole foil strip are riveted on anode foil and cathode foil respectively, then electrolytic paper is intervened between anode foil and cathode foil and is wound into element, then the element obtained by winding is dried, then the element after drying is immersed in electrolyte and is immersed, then the element after immersion is loaded into aluminum shell and is sealed, finally the capacitor after packaging is aged treatment;The electrolyte is composed of the following mass percentage components: solvent 40-60%, solute 30-50%, additive 3-10%;The additive is composed of the following mass percentage components: alkyl phosphate 30-55%, mannitol 20-40%, monobutyl phosphate 15-25%, aminoacetic acid 1-5%.The aluminum electrolytic capacitor provided by the application has low ESR, high flashover voltage and good low-temperature performance, and is suitable for high-end data center power supply and AI server power supply.

The utility model relates to the field of adhesive tape production devices, in particular to an adhesive tape winding device which comprises a rack, supporting plates are symmetrically fixed to the two sides of the rack, supporting grooves are formed in one sides of the supporting plates, a winding shaft is placed between the supporting grooves, a winding driven gear is fixed to the winding shaft, a sliding plate is further arranged on one side of the rack, and a winding driven gear is fixed to the sliding plate. A rolling motor is fixed to the sliding plate, a rolling driving gear is fixed to the output end of the rolling motor, the rolling driving gear can be meshed with a rolling driven gear, a rolling air cylinder is further fixed to the rack, the tail end of a piston rod of the rolling air cylinder is fixed to the sliding plate, a positioning shaft is further arranged on the rack, and the rolling driving gear can be meshed with the rolling driven gear. Positioning plates rotationally connected with the positioning shaft are arranged on the two sides of the positioning shaft, and a positioning rod is further arranged between the two positioning plates. According to the device, the adhesive tape is wound after being tightened through the positioning roller, and the problems that the adhesive tape is wound unsmoothly and swells can be avoided.

The utility model discloses a delayed material pressing type drawing die. The delayed material pressing type drawing die comprises an upper die base, a nitrogen spring assembly, a casting die assembly, a blank holder and a lower male die. The upper die holder is provided with a cavity for mounting the nitrogen spring component and the casting die component; the casting die assembly comprises a casting die body and a return spring; a convex part and an accommodating cavity are arranged on the casting die body; one end of the convex part of the casting die body is arranged in the cavity towards the direction of the lower convex die; the return springs are arranged on the two sides of the convex part, one ends abut against the bottom wall of the cavity, and the other ends abut against the pressing device body; the return spring jacks the part pressing device body into the upper die base when the part pressing device body is not pressed; the nitrogen spring assembly comprises a mounting bottom plate and a nitrogen spring; the nitrogen spring is fixed on the mounting bottom plate through a locking piece, and the nitrogen spring is arranged in the accommodating cavity; the nitrogen spring is inflated to push the part pressing device body to move towards the lower male die, so that the convex part is exposed out of the upper die base, and the plate gathering position is pressed; according to the utility model, the problems of wrinkling and bulging in the plate forming process are effectively solved.

The application belongs to the field of electronic packaging, and specifically discloses a wafer groove high-precision filling method based on airflow assistance, which specifically comprises the following steps: filling nanosilver paste into a wafer groove on a substrate by using ink direct writing technology, and simultaneously cooperating with airflow assistance filling technology to make the nanosilver paste uniformly spread in the wafer groove; laser sintering the filling material by using a gradient sintering process; repeating the above steps according to the filling times until the filling is completed, and finally performing high-temperature laser sintering at 330 DEG C to 380 DEG C to optimize the temperature resistance of the nanosilver paste. The application can assist the nanosilver paste to flow in the wafer groove, make it more uniformly distributed and avoid the generation of holes in the infiltration process, while filling the nanosilver paste, and simultaneously cooperate with the gradient sintering process, so that the solidification efficiency is improved while the wafer is prevented from being damaged, and the material organization after sintering is more uniform.

This utility model discloses a high-stability bag-opening and filling device based on vacuum adsorption, belonging to the field of bag-opening and filling technology. It includes a frame, with a conveying component slidably connected to the lower right side of the frame, and a filling frame slidably connected to the other end of the conveying component. A vacuum adsorption pump is fixedly connected to the lower right side of the filling frame, and filling components are fixedly connected to the inner wall of the filling frame. A fixing plate is reciprocatingly slidably connected to the inner wall of the frame, and a limiting rod is fixedly connected to the surface of the fixing plate. A screening component is slidably connected through the limiting rod, and the screening components are evenly distributed on the surface of the limiting rod. This high-stability bag-opening and filling device based on vacuum adsorption, through the vacuum adsorption pump and filling components, can optimize the negative pressure pipeline, reduce the downtime rate of the device, effectively reduce packaging material waste, increase the production capacity of the device, reduce labor costs, and improve the accuracy of bag opening and printing, ensuring consistent product quality.

This application relates to the field of refrigerator technology, disclosing a mating component for a refrigerator light box, including a mating plate having a first wall surface and a second wall surface. An installation structure is provided on the first wall surface for mounting the mating plate to the refrigerator light box. A snap-fit ​​mating structure is provided on the second wall surface of the mating plate, with a snap-fit ​​interface on one side. The snap-fit ​​interface is used to insert into a snap-fit ​​structure provided on the refrigerator main control board box, such that the wall surface of the snap-fit ​​structure facing the refrigerator main control board box abuts against the inner wall surface of the snap-fit ​​interface facing the mating plate, so that the snap-fit ​​structure and the snap-fit ​​mating structure engage. The mating component and the refrigerator main control board box are installed as a whole, transforming the refrigerator light box and refrigerator main control board box, which were each subjected to a unidirectional foaming force, into a whole subjected to a unidirectional foaming force, preventing the refrigerator light box and refrigerator main control board box from bulging during foaming. This mating component is a structure installed inside the refrigerator, requiring no disassembly before or after foaming, thus improving foaming efficiency.

The invention discloses a movable denture processing and forming device and method in the technical field of denture processing. The movable denture processing and forming device comprises a box body, a forming cavity used for containing a denture mold, a heat energy system and a hydraulic assembly. The number of the hydraulic assemblies is multiple, and the multiple hydraulic assemblies work independently. The forming cavity is formed in the box body, and the heat energy system is arranged in the forming cavity and used for providing hot water for the interior of the forming cavity. The mounting ends of the hydraulic assemblies are fixedly connected with the inner wall of the box body, the output ends of the hydraulic assemblies penetrate through the side wall of the forming cavity and extend into the forming cavity, and the output ends of the hydraulic assemblies are located at the top of the false tooth mold and can move up and down relative to the false tooth mold; through hydraulic pressurization, material injection and filling are uniform and round; according to the denture mold, high-temperature curing is achieved while the pressure is kept, dentures with the appearance attached to the forming cavity are obtained, the density is good, the appearance quality and the use quality of the dentures can be improved, and the yield and the success rate are increased.

The application relates to a preparation method of a corn straw-based cellulose skeleton with a core-shell structure and belongs to the field of cellulose skeleton preparation methods. In order to solve the technical problem that the inherent defects of cellulose make the mechanical performance of the cellulose skeleton extracted from straw weak in the current treatment process, the following method is adopted: firstly, the stem pith is subjected to hydrothermal treatment; secondly, delignification treatment is carried out, and the cellulose skeleton is preserved in a solvent; thirdly, the cellulose skeleton is soaked in a replacement liquid, then frozen, and then continuously subjected to freeze drying. Alternatively, the corn stem pith after the hydrothermal treatment in the first step is directly subjected to high-temperature drying in an oven. The application adopts a surface densification process to make the hydrogen bond combination on the surface of the cellulose skeleton, so that a highly directional macroscopic core-shell structure straw cellulose skeleton from the micro-macro is formed. The application is used for preparing a corn straw-based cellulose skeleton with a core-shell structure.

The invention relates to the technical field of bionic robots, in particular to a bionic eyebrow movement mechanism which comprises a base frame installed in the head of a robot, and two inner eyebrow mechanisms and two outer eyebrow mechanisms distributed on the base frame. Wherein the inner eyebrow mechanism comprises an inner eyebrow driving source and an inner eyebrow connecting body, and the inner eyebrow driving source is used for driving the inner eyebrow connecting body to move, so that the movement of the eyebrow part is equivalent to rotation around a virtual circle center of a skull center; according to the embodiment of the invention, the inner eyebrow mechanism enables the motion trail of the eyebrow part to be fitted to rotate around the virtual circle center of the center of the skull, so that the eyebrow part fits the surface radian of the skull during motion instead of simple linear stretching, the silica gel skin is effectively prevented from generating bumps or wrinkles, the outer eyebrow mechanism controls the outer eyebrow area to realize overall up-down motion, and the overall production efficiency is improved. Displacement is transmitted through a connecting piece with a large contact surface, so that the outer eyebrow presents a smooth synchronous rising and falling effect in expression change instead of discrete jumping of local point positions.

The utility model discloses a constant-temperature hot-water bag which comprises a hot-water bag body, a plurality of water containing body units are arranged on the hot-water bag body and communicated with one another, a water inlet and a water outlet are formed in one side of the hot-water bag body, and the water inlet and the water outlet are connected with the adjacent water containing body units respectively. And a circulating heating device is arranged between the water inlet and the water outlet. According to the constant-temperature hot-water bag, the water containing body units are arranged on the hot-water bag body and are communicated with one another, after the post-circulation heating device is started, water in the water containing body units circulates, heating can also be conducted according to the temperature condition, and therefore when a user uses the hot-water bag body, the water containing body units can be heated, and the water containing body units are not prone to falling off when the user uses the hot-water bag body. And the internal water body is in a constant-temperature state. The water containing body units are arranged on the hot-water bag body, filling water is effectively dispersed, and the phenomenon of bulging is avoided, so that the contact area of the hot-water bag body and a user is greatly increased, the heat transfer efficiency is improved, and the hot-water bag is convenient to use by the user.