50results about How to "Improve restraint" patented technology

The invention discloses an expansion shell type low-prestress energy-absorbing anchor rod and a construction method thereof.The expansion shell type low-prestress energy-absorbing anchor rod comprises a conical head, expansion shell pieces, an inner rod and a sleeve rod, the rear end of the conical head is connected with the inner rod in the axial direction, and the conical head comprises a conical section, a circular truncated cone section and a cylindrical section which are connected in the axial direction from front to back; the expansion shell piece is a cylindrical shell and is coaxially arranged outside the conical head in a sleeving manner; when the conical head moves towards the shell expansion piece at the rear end, the large-diameter part of the circular truncated cone section backwards enters the shell expansion piece, and the shell expansion piece outwards deforms in the radial direction; the inner rod is a columnar rod body, the upper wall and the lower wall of the rear section of the inner rod are each provided with a plurality of first arc-shaped protrusions, and the first arc-shaped protrusions are arranged at intervals; the sleeve rod is in a columnar shell shape, and a plurality of second arc-shaped protrusions are arranged on the inner wall of each semi-cylindrical shell at intervals in the length direction of the semi-cylindrical shell; the sleeve rod is coaxially arranged outside the inner rod in a sleeving mode, and the second arc-shaped protrusion and the first arc-shaped protrusion are meshed. The anchor rod is firm in anchoring, excellent in extension performance and suitable for soft rock large deformation or hard rock rockburst stratum reinforcement engineering.

Provided is a side airbag device for a vehicle, the side airbag device being capable of improving occupant restraint performance with a simple structure. An airbag cushion (112) of a side airbag device (100) is provided with: a pre-push chamber (122) that initially receives gas from an inflator (114); and a main chamber (116) that receives gas from the pre-push chamber (122). The pre-push chamber (122) has a pre-upper chamber (122a) along the seat back (104) and a pre-lower chamber (122b) along the seat cushion (105). The main chamber (116) has: a main upper chamber (118) connected to the pre-upper chamber (122a) at a first inner exhaust port (140a); a main lower chamber (120) connected to the pre-lower chamber (122b) at a check valve (144); and a shutter (146) that partitions the two.

The utility model relates to a novel double steel plate concrete composite wall structure for a bridge tower, which comprises a shear wall system, two ends of the shear wall system are connected with steel-concrete composite columns through high-strength bolts, and the shear wall system comprises two wall steel plates which are arranged in parallel. A plurality of longitudinal partition plates are erected between the two wall body steel plates at intervals in the length direction of the wall body steel plates, the longitudinal partition plates are vertically and fixedly connected to the two wall body steel plates, a plurality of round lightening holes are formed in the longitudinal partition plates, and in-wall concrete is poured between the two wall body steel plates and the longitudinal partition plates. Longitudinal partition plates with lightening holes are arranged in the shear wall system to serve as stiffening ribs, and long studs serve as connecting pieces of a wall steel plate and concrete in the wall, so that the wall can be divided into a plurality of cavities, the construction form is simple, the stress of the connecting pieces is clear, the material consumption is reduced, and the construction cost is reduced. And the strength, ductility, corrosion resistance and fireproof performance of the structure are enhanced.

The full-spiral stirrup rectangular stand column is formed by jointly pouring a concrete rectangular frame column, a steel reinforcement framework and concrete, the steel reinforcement framework comprises longitudinal bars, large spiral stirrups, small circular spiral stirrups and tie bars, the large spiral stirrups are arranged on the inner side face of the concrete rectangular frame column in an attached mode, and the small circular spiral stirrups are arranged on the inner side face of the concrete rectangular frame column in an attached mode. The longitudinal bars are evenly arranged along the periphery of the rectangular section of the concrete rectangular frame column and connected with the inner edge peripheries of the large spiral stirrups and the inner edge peripheries of the small circular spiral stirrups respectively, and the tie bars are located between the small circular spiral stirrups and connected between the two opposite longitudinal bars. The structure breaks through the limitation that a traditional spiral stirrup is only suitable for a circular stand column, overcomes the defect that the spiral stirrup is applied to a rectangular stand column, and enables concrete at four corner points of the stand column to fully exert the restraining effect. The constraint effect of the spiral stirrups on concrete is fully exerted, the bearing capacity and ductility of the stand column are improved, mechanical automatic rolling forming can be fully utilized, the labor intensity and dependence on manpower are reduced, the accuracy of steel bar engineering and the quality and safety of the structure are improved, the industrialization degree is high, and good economic benefits are achieved.

The invention discloses a steel wire straightening machine, and relates to the technical field of steel wire straightening processing equipment, the steel wire straightening machine comprises a straightening machine base, a straightening traction assembly and a steel wire material, a straightening frame is fixedly mounted on the straightening machine base, the straightening traction assembly and the straightening frame are sequentially arranged in the direction of straightening the steel wire material, and a radial straightening shaping assembly is arranged in the straightening frame; the radial straightening and shaping assembly comprises a reciprocating screw rod rotationally connected to the bottom of the inner side of the straightening frame, a driving motor is fixedly installed on one side of the bottom of the straightening frame, the output end of the driving motor is fixedly connected with one end of the reciprocating screw rod, a reciprocating block is in transmission connection with the reciprocating screw rod, and a sleeve is fixedly installed at the top of the reciprocating block. By means of the structure, a steel wire is evenly shaped in a full-angle mode, the straightening rollers and a steel wire material are kept relatively static, the radial round shaping effect of the steel wire is improved, and abrasion between the straightening rollers and the steel wire material is reduced.

The invention belongs to the field of electrochemistry, and discloses a nitro functionalized Zn-Mo bimetal organic framework solid electrolyte and a preparation method thereof. The preparation method comprises the following steps: firstly, synthesizing Zn-Mo bimetal organic frameworks MOFs with nitro functional groups through a reflux method, blending the Zn-Mo bimetal organic frameworks MOFs with a lithium salt and a polymer to obtain viscous slurry, pouring the viscous slurry on a glass plate to cure the viscous slurry, standing, and carrying out vacuum drying at 60 DEG C to obtain the nitro functional Zn-Mo bimetal organic framework solid electrolyte. The preparation method is simple and easy to operate, and the electrochemical stability and thermal stability of the battery can be effectively enhanced; the lithium ion transference number of the prepared diaphragm is up to 0.70, the assembled lithium iron phosphate battery is 120 mAh g <-1 > under the rated capacitance of 1C, the capacity retention ratio is close to 95%, and the lithium iron phosphate battery shows good cycling stability and multiplying power.

The invention relates to a mass spectrometer atomizing chamber for eliminating a waste liquid discharge vacuum effect, which is applied to the field of mass spectrometer atomizing chambers, and utilizes a first pressure balance valve, a flow speed regulator, a second pressure balance valve and a free falling body retarder to form a dual pressure balance mechanism and a free falling body slow speed reduction mechanism. The vacuum effect in the waste liquid discharging process in the atomizing chamber body is effectively relieved, through cooperation of an elastic sealing piece, a binding belt, a sliding tension band and a falling ball, information prompting can be conducted on sealing failure on the outer side of a sealing plug, targeted liquid sealing treatment is adopted, and through a stopping block, the sealing effect is effectively improved. In addition, through cooperation of an annular sealing piece, a connecting rod, a strip-shaped groove and a shaft rod, compensation and prompting are conducted when a gap appears in the inner side of the sealing plug, and therefore the sealing effect of the sealing plug is improved. And the sealing effect between the elastic sealing piece and the surface of the waste liquid pipe is enhanced by utilizing the deformation of the annular sealing piece.

The invention provides a stiffened wallboard life prediction method based on a data enhanced physical information neural network, which comprises the following steps: determining influence parameters of crack propagation fatigue life of a stiffened wallboard and a discourse domain of the influence parameters, obtaining sample points through sampling, calculating a stress intensity factor and fatigue life based on a finite element model, and constructing a training set; a double-layer physical information neural network is established, a first sub-model predicts a stress intensity factor by taking an influence parameter as input, a second sub-model combines the influence parameter and a stress intensity factor prediction value, a physical loss function based on a Paris crack propagation law is introduced, training is performed in combination with a data loss function, and fatigue life prediction is realized; and representing the influence parameters as fuzzy variables, obtaining a multi-level-cut set, and predicting the fuzzy response of the fatigue life by using the trained neural network. According to the method, a physical mechanism and data driving can be effectively fused, and efficient prediction of the crack propagation fatigue life of the stiffened wall plate under the uncertain condition is achieved.

A mixed high-strength spiral stirrup reinforced UHPC centrifugal tube-NC combined pier column structure is composed of a UHPC centrifugal tube (3) and an NC combined pier column (4). The UHPC centrifugal tube is formed by centrifugally pouring a first layer of steel reinforcement framework and ultra-high performance concrete; the NC combined pier column is formed by pouring common concrete by combining a second-layer steel reinforcement framework with a UHPC centrifugal tube outer mold; the second layer of steel reinforcement framework is arranged in the UHPC centrifugal tube, and the UHPC centrifugal tube and the NC combined pier column form a mixed high-strength spiral stirrup reinforced UHPC centrifugal tube-NC combined pier column structure. According to the bridge pier column, the centrifugal forming technology is combined, the mixed high-strength spiral stirrups are configured, on the basis that UHPC and NC interface deformation coordination is achieved, lateral constraint provided by the UHPC prefabricated pipe for the internal NC is enhanced through the high-strength spiral steel bars, the ultrahigh fracture toughness of UHPC materials is enhanced, and the anti-seismic performance of the bridge pier column is improved.

The application provides a rule object-based management method and device in an AI operating system and a readable storage medium. The method comprises: performing pre-access consistency verification on a to-be-accessed object to obtain a first verification result; if the first verification result is a verification pass, registering the to-be-accessed object, and determining a target rule object according to object description information; establishing binding association information based on the object description information and the target rule object; obtaining actual running information of the to-be-accessed object, and performing runtime consistency verification on the actual running information based on the binding association information and the target rule object to obtain a second verification result; performing a corresponding control operation according to a control strategy mapping relationship of the second verification result and the target rule object, and generating an execution archive record. The embodiment of the application can ensure that the to-be-accessed object does not run out of the access time admission condition based on the binding association information, and improve the accuracy and traceability of system operation control.

The application provides a battery pack and an electric device. The battery pack comprises a battery module, an end plate, a binding belt and a heater. The battery module comprises a plurality of battery cells stacked along a first direction, so that the battery module comprises two end faces arranged opposite along the first direction and two side faces arranged opposite along a second direction. A plurality of battery modules are stacked along the second direction. The binding belt is wound on the plurality of battery modules, so that the binding belt compresses the plurality of battery modules along the first direction and the second direction. The heater is attached to the side face of the battery module. The heater comprises two contact faces arranged opposite along the second direction. Only one heater is arranged between two adjacent battery modules, so that one of the contact faces is attached to the side face of one of the battery modules, and the other contact face is attached to the side face of the other battery module. Two end plates are arranged at the two ends of the plurality of battery modules along the first direction, so that the warping phenomenon of the end plates is eliminated, the binding effect of the binding belt is improved, and the production efficiency of the battery pack is improved.

The invention belongs to the technical field of building structural member connection, and discloses a square steel tube confined concrete column-RC beam connection joint which comprises a connection joint body used for connecting a steel tube confined concrete column and a reinforced concrete beam. The connecting joint comprises a joint area steel pipe, and the reinforced concrete beam penetrates through the joint area steel pipe and is fixedly connected with the joint area steel pipe. The steel pipe confined concrete column comprises an upper column and a lower column; a connecting assembly is arranged in the reinforced concrete beam, penetrates through the joint area steel pipe and is fixedly connected with the joint area steel pipe. The node area steel pipe is filled with concrete. The method is convenient and fast to construct, reliable in joint performance, high in material utilization rate, small in steel consumption and excellent in anti-seismic performance, local buckling of the square steel pipe can be effectively delayed, the integrity of concrete is higher, the restraining effect on core concrete is enhanced, economic benefits are improved, and the problems that in the prior art, construction is difficult, and joints are complex are solved.

The invention discloses a self-compacting concrete of carbonization synergistic modified solid waste aggregate and admixture and a preparation method thereof, wherein the preparation method comprises the following steps: 1) 40-60 parts of admixture, 100-150 parts of aggregate, and 50-70 parts of water are placed in a vertical stirred mill, industrial tail gas is introduced at a rate of 10-30L / min, and grinding is performed at a speed of 400-700r / min for 30-40min to obtain a mixed material containing aggregate and admixture; 2) the mixed material is stirred for 3-5min with 100 parts of PO42.5 cement, 250-300 parts of crushed stone, and 0.4-0.7 parts of water reducer to obtain self-compacting concrete. In the present invention, under the action of carbon dioxide, the admixture and aggregate are wet-milled and modified, and the stability of the modified aggregate is qualified, and the self-compacting concrete prepared by the modified admixture and aggregate mixture has high strength, excellent slump expansion and anti-segregation performance.

The utility model discloses an underground engineering anti-floating structure convenient to splice, and relates to the technical field of building construction, the underground engineering anti-floating structure comprises a first valve plate, the right side of the first valve plate is in lap joint with a second valve plate, and inner cavities of the left parts of the first valve plate and the second valve plate are each in sliding connection with two first splicing assemblies; the inner cavity of the right part of the first valve plate and the inner cavity of the right part of the second valve plate are each slidably connected with two second splicing assemblies. According to the underground engineering anti-floating structure convenient to splice, an L-shaped clamping block II and an L-shaped clamping block I are overturned and moved, so that the inner walls of the L-shaped clamping block I and the L-shaped clamping block II are mutually clamped, and then a U-shaped clamping plate is clamped to the outer walls of the overturned L-shaped clamping block I and the L-shaped clamping block II, so that the L-shaped clamping block I and the L-shaped clamping block II are limited; then under the action of two screws I, U-shaped clamping plates are fixed in inner cavities of the opposite parts of the valve plate I and the valve plate II respectively, and through the action of the U-shaped clamping plates, an L-shaped clamping block II and an L-shaped clamping block I are limited and fixed, so that splicing is completed.

The present invention provides a terahertz broadband high-sensitivity sensor chip based on local field enhancement and a manufacturing method thereof, which includes a Vivaldi antenna, an artificial surface plasmon waveguide with a metal groove structure, a terahertz wave is input through an input end waveguide, and the Vivaldi antenna at one end couples the terahertz wave to the artificial surface plasmon waveguide, and the terahertz wave is transmitted in the waveguide under the constraint of the artificial surface plasmon waveguide, and the terahertz wave on the waveguide is coupled back to the free space by the Vivaldi antenna at the other end and is received by the terahertz detector; a circular metal area is provided at the inner edge of the artificial surface plasmon waveguide to increase the effective working bandwidth of the sensor chip. The present invention has high sensing sensitivity and high effective working bandwidth, can reduce reflection, and improve coupling efficiency, thereby solving the resonance peak generated by the metamaterial sensor due to its special structural design, has a simple preparation process, and has low equipment price, and can be applied on a large scale.

The application relates to a safety belt adjusting structure, an automobile seat and a vehicle, and relates to the technical field of automobile seats. The adjusting structure comprises a driving mechanism, a moving mechanism and a guide piece, which are arranged in a seat back skeleton; the driving mechanism is in transmission connection with the moving mechanism; and the guide piece is installed on the moving mechanism and is provided for a safety belt. The driving mechanism can drive the guide piece to move in the direction of approaching or moving away from the neck area of a passenger, so as to guide the safety belt to correspondingly deviate. The structure can dynamically adjust the safety belt path according to the seat posture, so that the safety belt can be attached to the shoulder of an occupant in zero gravity or a conventional sitting posture, is beneficial to reducing the compression risk of the safety belt on the neck, improves the restraint effect, and improves the riding safety and comfort.

The utility model provides a psychiatric patient restraint chair, and belongs to the technical field of medical equipment. Comprising a supporting frame and a supporting plate connected with the supporting frame in an embedded mode, the supporting frame comprises two sets of symmetrically-arranged supporting legs, a plurality of sets of transverse rods are arranged between the two sets of supporting legs, the two ends of each transverse rod are fixedly connected with the two sets of supporting legs respectively, the supporting plate is arranged between the two sets of supporting legs and connected with the two sets of supporting legs respectively, and the tops of the supporting legs are fixedly connected with arm supports. The whole arm support is of an S-shaped structure, and first reinforcing ribs are arranged on the outer side walls of the supporting legs. By arranging the arm support, the comfort of a patient is effectively improved, the restraining effect can be improved through the upper positioning groove, the arm of the patient can be prevented from retreating through the elbow blocking part, the wrist and the elbow of the patient are restrained in cooperation with the fixing clamping plate and the fixing bandage, and then the comfort of the patient is improved under the condition that high-strength restraining is guaranteed; influence on infusion treatment due to unsmooth blood vessel flow velocity of the arm of the patient caused by excessive binding is avoided.

A restraining device for intensive care comprises a supporting pad and a plurality of bandages, a plurality of through holes distributed in an array mode are formed in the supporting pad, positioning assemblies used for being connected with the bandages are detachably arranged in the through holes, and each positioning assembly comprises an upper positioning ring and a lower positioning ring which are located on the two sides of the supporting pad respectively. The upper positioning ring is coaxially and fixedly connected with an upper positioning pipe, the lower positioning ring is coaxially and fixedly connected with a lower positioning pipe, the upper positioning pipe is detachably connected with the lower positioning pipe, and the end part of the bandage is detachably connected with the upper positioning pipe or the lower positioning ring. The utility model provides a restraining device for intensive care, which fully ensures that a bandage can restrain the position of a patient needing to be restrained, and the restraining effect is better.

The utility model relates to the technical field of restraint devices, in particular to a bedrail protection restraint device which comprises a device body, the device body comprises a restraint strap and a fixator, the restraint strap is wound between a front row of bedrail and a rear row of bedrail of a sickbed, the fixator is used for fixing the restraint strap and the bedrail, and the fixator is detachably connected with the bedrail. The restraint strap is designed to be wound between bedrails on the front side and the rear side of the bed body in a penetrating mode and penetrate through a gap between the front guardrail and the rear guardrail so as to increase the protection and restraint effect of the gap. And the restraint strap is stably connected with the bedrail through a special fixer, so that the stability and safety of the whole structure are ensured. The device aims at providing comprehensive protection and restraint for a patient and effectively preventing potential safety hazards caused by the fact that the patient accidentally slides off from gaps of bedrails, and therefore the use safety of the sickbed is remarkably improved.

The utility model relates to the technical field of galvanized coils, in particular to a galvanized coil cutting machine which comprises a placing platform and a galvanized coil, a plurality of supporting legs used for improving cutting stability are arranged on the placing platform, a driving rod is arranged on the placing platform, a plurality of first attaching bodies used for fixing the inner wall of the galvanized coil are arranged on the placing platform, and a plurality of second attaching bodies used for fixing the inner wall of the galvanized coil are arranged on the placing platform. A plurality of second attaching bodies used for fixing the outer wall of the galvanized coil are arranged on the placing platform, and a plurality of threaded rods used for adjusting the first attaching bodies are arranged on the placing platform. Through the arrangement of the inner supporting block and the first attaching body, the stability of the galvanized coil in the cutting process is improved, meanwhile, the first attaching body can prevent the inner wall of the galvanized coil from being peeled off, the attractiveness of the galvanized coil after cutting is improved, galvanized coil waste is reduced, and therefore the use cost of the galvanized coil is reduced, and the galvanized coil cutting efficiency is improved. And the stability of the first fitting body can be improved through the threaded rod, and the phenomenon that the stability is reduced due to vibration is avoided.

The invention discloses a text-guided image editing method and device, a medium and equipment, and relates to the technical field of image editing. Aiming at the limitation of an existing method in understanding an editing instruction, global vision and local entity depth perception are firstly carried out on an original image, and the original image is converted into priori knowledge in a natural language form, so that the knowledge of non-explicit modeling of a diffusion model in image editing is made up, the cognitive ability of an image editing scene is improved, and the image editing efficiency is improved. Therefore, priori knowledge is combined with the editing instruction, multi-angle deep editing reasoning is performed on the incomplete or fuzzy editing instruction, a clearer editing scheme with constraint is generated, the interpretability and the constraint of the editing instruction are enhanced, the adaptability of the model in a complex editing task is improved, and the editing efficiency is improved. And the quality of an image editing result is improved.

The utility model provides a battery module and a battery pack, and relates to the technical field of batteries, the battery module comprises end plates, pressing strips and battery cells, the plurality of battery cells are sequentially arranged along a first direction to form a battery cell group; the two end plates abut against the two ends of the battery cell group respectively; the pressing strip comprises a pressing strip body and a connecting assembly, the pressing strip body extends in the first direction, and the connecting assembly is connected to at least one end, in the first direction, of the pressing strip body; the pressing strip abuts against the battery cell set, and the connecting assembly is movably connected with the side, away from the battery cell set, of the end plate in an abutting mode. According to the battery module provided by the utility model, the anti-expansion capability of the battery module in all directions is improved through the interaction of the end plates and the pressing strips, and the stable and reliable structure of the battery module in the whole life cycle is ensured.

The utility model discloses an internal wiring type electric lifting stand column which comprises a telescopic sleeve and a transmission assembly arranged in the telescopic sleeve, the transmission assembly drives the telescopic sleeve to stretch out and draw back, the telescopic sleeve comprises an inner pipe, a middle pipe and an outer pipe which are sequentially connected in a sleeved mode from inside to outside, and a cable penetrates through the interior of the telescopic sleeve. The cable comprises a first guiding section guided by the first guiding piece and connected with the upper end of the electric lifting stand column, a second guiding section guided by the second guiding piece and connected with the lower end of the electric lifting stand column, and a transition section connected between the first guiding section and the second guiding section. The first guiding section is driven by the upper end of the electric lifting stand column to vertically slide relative to the second guiding section, the length of a cable is adjusted through deformation of the transition section, an insulating cabling rack connected with the middle pipe is arranged between the inner pipe and the transmission assembly, and the insulating cabling rack is provided with an isolation cavity with the upper portion and the lower portion open. When the length of the cable is in a shortened state, the first guide section, the second guide section and the transition section are all located in the isolation cavity.

The invention discloses a pipeline groove supporting structure and a supporting method.The pipeline groove supporting structure comprises a groove, a soil retaining plate, at least two supporting mechanisms, horizontal moving devices, piles, ground beams and inclined supporting rods, each supporting mechanism comprises a waist beam fixing device, a waist beam and an inner supporting rod, and the waist beam fixing devices are arranged in the length direction of the groove at the same height; the waist beams are horizontally arranged on the two side walls of the groove at the same height. The two ends of the inner supporting rod are connected with the waist beam in a sliding mode through the sliding grooves, and the inner supporting rod is a telescopic rod with the adjustable length. The horizontal moving device is used for adjusting the installation distance between the adjacent inner supporting rods, the piles are arranged at the bottom of the groove, the ground beams are arranged at the tops of the piles, the inclined supporting rods are arranged between the waist beams and the ground beams, and the piles and the ground beams serve as bases of the inclined supporting rods in the groove construction process and serve as installation bases of pipelines in the pipeline installation process. The inner supporting rod can apply prestress, and pipeline hoisting can be facilitated.

The present invention discloses a corrugated steel tube concrete column, comprising a polygonal cavity formed by alternately connecting flanges of a plurality of steel sections and a plurality of corrugated steel plates, wherein the corrugation direction of the corrugated steel plates is the same as the length direction of the polygonal cavity, the number of sides of the polygonal cavity is an even number and the interior of the polygonal cavity is filled with concrete, and the corrugated steel plates and steel sections can be used to work in coordination to give full play to the superior performance of both, thereby overcoming the difficulty of complex connection nodes of traditional steel tube concrete columns due to the small wall thickness of the steel tube, reducing the cost of engineering node connection, and the steel section rigidity of the corrugated steel tube concrete column is large, and the cross-sectional rigidity can be flexibly adjusted by adjusting the steel section distance, thereby facilitating engineering applications with different lateral rigidity requirements.

The utility model relates to a bending machine which comprises a machine frame, a rotating assembly fixed to the machine frame, a limiting assembly and a driving assembly, the rotating assembly comprises a disc, a center column and a positioning column, the center column and the positioning column are arranged on the disc, the disc is rotationally arranged on a table top of the machine frame, and a gap allowing a reinforcing steel bar to penetrate through is formed between the center column and the positioning column; the driving assembly is fixed to the rack and used for driving the disc to rotate. The limiting assembly is arranged on one side of the rotating assembly. The limiting assembly comprises a limiting plate and a limiting column, the limiting assembly is fixedly connected with the rack, the limiting plate is provided with a plurality of third grooves allowing the limiting column to be inserted, the limiting column is used for abutting against the steel bars, the limiting column is provided with an annular groove, and the groove bottom wall of the annular groove is used for abutting against the steel bars. According to the device, when the linear section of the steel bar tends to move upwards, the groove side wall of the annular groove applies downward acting force to the steel bar; therefore, the acting force of workers for pressing the steel bars downwards is reduced, and the purpose of reducing the working intensity of the workers is achieved.

A vehicle airbag device with a simple structure that improves occupant restraint performance and safety is provided. The airbag cushion (104) has: a chamber including an occupant side panel (114) and a steering side panel (116); a gas vent (120); and a first strap (124). The first strap (124) has: one end (126) which is directly or indirectly connected to the occupant side panel (114); and another end (128a, 128b) which is connected to the steering side panel (116). The edge of the gas vent (120) is designed to be pulled into the interior of the chamber (105) by the tensioned first strap (124), and the opening area of ​​the gas vent (120) when the edge of the gas vent (120) is pulled into the interior of the chamber (105) is smaller than when the first strap (124) is relaxed.

The present application relates to a compensation system for a seat belt retractor, which is adapted to a vehicle seat having a base (103), a seat cushion (102) and a backrest (101), the backrest being rotatably connected with the seat cushion about a first rotation axis (104), the seat cushion and the backrest being jointly rotatably connected with the base about a second rotation axis (105), the seat belt retractor integrating a rotatable vehicle sensing device. The compensation system comprises first and second compensation devices. The first compensation device performs angular compensation and constraint of the vehicle sensing device when the backrest is rotated relative to the seat cushion about the first rotation axis, the first compensation device (100) comprising a swivel head. The second compensation device (200) is configured to fix the swivel head when the backrest is rotated relative to the seat cushion about the first rotation axis, and to cause the swivel head to rotate inversely relative to the seat cushion about the first rotation axis when the seat cushion and the backrest are jointly rotated relative to the base about the second rotation axis. The present application also relates to a vehicle seat comprising the compensation system.

The utility model belongs to the technical field of medical equipment, and disclose a kind of protective medical fixing belt, including glove part and wrist part, the glove part includes palm component and backhand component, the palm component is located below backhand component, the front surface of backhand component is provided with observation window, and the opening of the side of observation window that backhand component front surface is close to is provided with zipper mechanism, the zipper mechanism includes zipper strip, first zipper head and second zipper head, first zipper head and second zipper head are movably set on zipper strip, first zipper head and second zipper head are connected by limiting mechanism;The utility model prolongs the wrist part of fixing belt, and increases a group of restraint belt, and the wrist of patient is doubly fixed by two groups of restraint belt, it is favorable to prevent the possibility that patient exists to break away, solves the problem that single restraint belt makes patient exist to break away possibly.

A vehicle rear seat occupant protection airbag device is provided that improves occupant restraint performance while suppressing occupant injury values. The airbag cushion (108) of the airbag device (100) is characterized by comprising: a cushion base (126) formed along the back of the seat (112); a cushion upper portion (128) that protrudes and expands from the upper part of the cushion base (126) toward the rear seat (104); a pair of side chambers (122, 124) that protrude and expand from both sides of the cushion base (126) toward the rear seat (104); and a cushion recess (134) formed in the area between the pair of side chambers (122, 124) below the cushion upper portion (128) and recessed toward the front seat (102).