365results about How to "Guaranteed cushioning effect" patented technology

The present invention provides an absorbability article which has cubic effect, high buffering property, and can keep concave-convex form not only under drying condition but also under the condition of absorbing sap by improving the form retentivity of concave-convex embossed pattern. The absorbability article (1) is provided with an absorbing body (4) between permeating front side and back side thin sheets (3) and (2), wherein, the front side thin sheet (3) is a multi-layer sheet which at least comprises a nonwoven cloth layer (3A) forming the skin contacting surface and a plastic film layer(3B) laminated on the non skin contacting surface of the nonwoven cloth layer, the plastic film layer (3B) is composed of material with a melting point lower than the nonwoven cloth. Under the heating condition with a melting point higher than the melting point of the plastic film layer (3B) and lower than the melting point of the nonwoven cloth layer (3A), the concave-convex embossing process composed of a plurality of projecting parts (7, 7......) projecting outside is executed to the front side thin sheet (3), and the hole making process is executed to the top of the convex embossed pattern or the bottom of the concave embossed pattern of the concave-convex embossed pattern.

The invention relates to a lithium negative electrode preform, a preparation method thereof, a lithium negative electrode, and a lithium secondary battery. The lithium negative electrode preform is prepared by integrally laminating a plastic base layer, a solid electrolyte layer, and a lithium layer. The manufacturing is simple and easy to perform. The contact interface between the lithium negative electrode and solid electrolyte is effectively improved to prevent the formation of lithium dendritic crystals, and the performance of an all solid state battery is obviously enhanced.

The invention provides a clamping spring loading device of a ball valve automatic assembling machine, belongs to the technical field of machinery, and aims to solve the problems that an existing ball valve is assembled manually, the assembling efficiency is low, and the labor cost is high and the like. According to the clamping spring loading device of the ball valve automatic assembling machine, the ball valve automatic assembling machine comprises an operating table which his fixedly connected with a mold seat, wherein the mold seat moves together with the operating table; and the clamping spring loading device is arranged at the side edge of the operating table, and comprises a rack, a vibration material disc and a driving mechanism, wherein the top of the rack is fixedly connected with a horizontal guide rail which is movably connected with a manipulator, a material outlet of the vibration material disc is provided with a slide block, the slide block is provided with a material receiving groove, the driving mechanism can drive the slide block to perform reciprocating motion between the material outlet of the vibration material disc and the manipulator, and the manipulator can convey a clamping spring in the material receiving groove into a valve body at the mold seat. The clamping spring loading device has the advantages of high automation degree, capability of improving the assembling efficiency of the ball valve and the like.

The invention discloses a gas column structure for an anti-vibration sleeve. The structure consists of a gas column plate, two bendable connecting wires and two concave buffer walls, wherein the concave buffer wall is formed by a plurality of U-shaped structures which are spliced by virtue of parallel heat seal; short gas columns in the center of the U-shaped structures at two ends of the concave buffer wall are not inflated, so that the four corners of the gas column structure of the anti-vibration sleeve cannot be cracked when contacting with a sharp object, and objects with sharp ends or of irregular shapes can be accommodated; and when the plurality of gas columns of the gas column plate are subjected to parallel heat seal, the heat seal can be performed at will to generate gas columns of irregular shapes. Furthermore, a dark curtain can be additionally arranged so as to achieve the effect of shielding the accommodating space, and serve as a movable curtain to cover and protect the semi-opening accommodating space.

The invention discloses a hydraulic cylinder and a cushioning device of the hydraulic cylinder. The cushioning device comprises a cushioning sleeve, a spring and an outer cushioning component, wherein a central hole is formed on the cushioning sleeve; the outer cushioning component is fixed with a cylinder body; a throttling oil passage is formed between an outer wall face of the cushioning sleeve and an inner wall face of the outer cushioning component; the cushioning sleeve and the outer cushioning component are in sliding fit in axial direction; the spring is positioned between the cylinder body and the cushioning sleeve; in a free state, an inner end of the cushioning sleeve extends into a hydraulic chamber of the hydraulic cylinder; and an inner end face of the cushioning sleeve can be in sealing fit with a cushioning blocking face of a piston. By the cushioning device provided by the invention, the fit of the outer wall face of the cushioning sleeve and the inner wall face of a guide sleeve is not required, and the phenomenon of blocking of the cushioning sleeve caused by displacement of the cushioning sleeve cannot be generated, so that damage to a fitting face of the cushioning sleeve and the outer cushioning component can be reduced or avoided, and the reliability and cushioning effect of the cushioning device are guaranteed.

The invention discloses a buffering oil cylinder and relates to the technical field of hydraulic oil cylinders. The buffering oil cylinder comprises a cylinder barrel, a cylinder cover, a piston and a piston rod, wherein the piston rod is sleeved by a buffering sleeve, the buffering sleeve is in clearance fit with the piston rod, and the buffering sleeve is in clearance fit with a buffering hole formed in the cylinder cover. A rod cavity is communicated with an oil return opening formed in a cylinder body through the buffering hole, the two ends of the buffering sleeve are respectively in butt joint with a shoulder of the piston and a shoulder of the piston rod, a plurality of first oil channels are formed in two end faces of the buffering sleeve, a conical inclined guide face is arranged at one end, adjacently connected with one end of the rod cavity, of the buffering hole, an annular ditch is formed in the inner wall of the buffering sleeve in the peripheral direction, a buffering ring capable of moving in the annular ditch in the axial direction is arranged in the annular ditch, the gap between the buffering ring and the piston rod is smaller than the gap between the buffering sleeve and the piston rod, and a plurality of second oil channels are formed in a rear end face, facing the piston, of the buffering ring. The buffering oil cylinder solves the problems that an existing buffering oil cylinder is prone to being blocked in a buffering process, large in pressure impact and prone to vibrating and crawling in a starting process.

The invention discloses a packaging structure and a packing method of an organic light-emitting diode as well as a display device. The packaging structure comprises an organic light-emitting diode display area arranged on a substrate, a cathode pattern arranged on the display area, a first inorganic blocking layer arranged on the cathode pattern, an organic buffering layer positioned on the first inorganic blocking layer and a second inorganic blocking layer, wherein the edge of the organic buffering layer is electrically connected with the cathode pattern on the edge area of the display area; the edge of the second inorganic blocking layer is directly connected with the substrate at the edge area of the display area so as to coat all the other layers. The packaging structure disclosed by the invention has the advantages that since the organic buffering layer is conductive and transparent and the edge of the organic buffering layer is electrically connected with the cathode pattern on the edge area of the display area, the conductivity of the cathode pattern is increased, and furthermore the transmittance of package is not influenced, so that the IR drop is reduced under the condition of guaranteeing simple packaging process and no influence on the opening rate of the display device.

The invention provides an absorbable article and a method for manufacturing the same, which has strong felling of stereo perception, high shock-absorbing capacity, capable of minimizing area contacting with skin, and can maintain concavo convex embossing shape all the time. A surface sheet (3) is a multilayer sheet having two layer which comprises at least a non-woven favrics layer (3A) constituting skin contacting layer and a plastic film layer (3B) stacking on a non-skin contacting layer side of the non-woven favrics layer (3A), and the plastic film layer (3B) is formed by materials having the melting point lower than the non-woven favrics layer. Concavo convex shape embossing and a plurality of tapping treatments are implemented on a compounding sheet comprising the surface sheet (3) and a second non-woven favrics sheet (6) formed by materials having the melting point lower than the non-woven favrics layer (3A) which is bonding to the inner side fo the surface sheet (3), in a heating condition not less than the melting point of the plastic film layer (3B) and the non-woven favrics sheet (6), and less than the melting point of the non-woven favrics layer (3A).

The invention discloses an automatic material lifting device. The automatic material lifting device comprises a base plate, four corners of the upper surface of the base plate are connected with fourcorners of the lower surface of a jig plate through stand columns correspondingly to form a rectangular frame, four material channels are arranged on the jig plate, a jacking portion comprises a movable plate, several jacking columns are installed on the movable plate, the corresponding jacking column can push each raw material to move upwards along the corresponding material channel, each limiting portion comprises a limiting plate, the limiting plates are attached to the upper surfaces of limiting columns, the limiting plates are used for limiting the height of the raw materials, each pressing portion comprises a bidirectional pressing block and two sliding blocks, the bidirectional pressing blocks run downwards, and the sliding blocks horizontally slide and clamp profiles correspondingly. The automatic material lifting device has the effects that material lifting for automatic production is achieved, the production efficiency is high, and the automatic material lifting device is suitability for large-scale continuous operation.

The invention relates to a flexible optical fiber ribbon and an optical cable, the flexible optical fiber ribbon comprises a plurality of core tape groups, the core tape groups are arranged in parallel, and each core tape group comprises three optical fiber units; the three optical fiber units of the core belt group are arranged in parallel, the optical fiber units on two sides comprise one optical fiber, and the optical fiber unit in the middle comprises at least one optical fiber which is arranged in parallel and connected; every two adjacent core belt groups and every two adjacent optical fiber units in the core belt groups are connected through a plurality of first connecting parts which are discontinuously arranged in the length direction of the optical fiber; and a plane passing through the axes of the two adjacent optical fibers is used as a reference plane, the first connecting part comprises two connecting units located above and below the reference plane respectively, and buffer cavities are formed between the two adjacent optical fibers and between the two connecting units above and below the reference plane. The problem that the flatness of the optical fiber ribbon is poor due to the fact that resin is easily damaged when the optical fiber ribbon is bent in the width direction in the prior art can be solved.

The invention discloses a large-scale energy storage optimization configuration and coordination control method in an independent mircogrid. The method comprises the steps of 1, determining a capacitor ratio of an energy storage unit; 2, designing a maximum charging / discharging speed constraint function of an energy storage battery; 3, determining a master control unit adjustment capacity constraint condition; and 4, scheduling power of the energy storage unit. According to the method provided by the invention, service life of the battery can be prolonged, safe and reliable operation of the energy storage system can be ensured, and meanwhile, continuous buffering capacity of a buffering pool of the master control unit is ensured.

The invention relates to a rubber buffering and vibration isolating elastomer structure which comprises an upper metal part, a rubber part and a lower metal part. An internal cavity structure is adopted by the rubber body of the invention to increase the buffering stroke of the rubber body, and the buffering deformation of the rubber body can reach 100%; and if the space along the axial direction of the elastomer structure is large enough, the buffering deformation can reach about 150%. The design of the cavity structure greatly increases the buffering deformation stroke of the rubber part by 2-4 times of the traditional rubber isolator, thereby greatly improving the buffering effect. The structure of the invention adopts the design of a gas channel; on the one hand, by the design of the gas channel, when the elastomer bears the impact load, because the action time of the load is short, the gas in the cavity is quickly discharged outwards through the gas channel, and the friction action of the gas and the channel increases the damping of the elastomer structure, thereby increasing the buffering effect of the elastomer structure; and on the other hand, by the design of the gas channel, the gas in the cavity can be smoothly discharged under the action of the load to avoid the uneven deformation of the rubber part caused by sealing of the cavity, thereby ensuring the rigidity stability of the elastomer structure in the deformation process.

The invention discloses a process for washing sesame with water. The process comprises the following steps of: removing and separating impurities and stones from the sesame at first; then immersing and washing the sesame with water, stripping the sesame and separating the sesame; drying, performing color selection and magnetic separation; and finally, finishing a process of manufacturing qualified sesame meat. The whole process is extremely smooth and the transferring frequency of the sesame is low, so the production efficiency is improved greatly; various measures, such as general screening, color selection, magnetic separation and the like, are used together, so cleaning and grading can be performed simultaneously; and the later targeted deep processing of the sesame is facilitated.

The invention discloses a small rocket shell launching device which comprises a launcher canister elevation mount, an attitude sensor, a fixing unit, view sensors and an electronic control box. The launcher canister elevation mount is located on the side face of a launcher canister and the fixing device in a fixed connection manner, the attitude sensor is fixed on a sensor support at the top of the fixing unit, and statuses of the launching device ready for launch, during the launch, post-launch are automatically acquired through the attitude sensor; the view sensors located on the front portion of the electronic control box are connected with a view reduction motor mounted on a main mounting plate and used for viewing targets; the electronic control box is mounted on the lower portion of the fixing unit and is used for fixing a circuit board and a power module of the launching device; integrated viewing and launching of the launching device is guaranteed by equipping the launching device with multiple sensors; the launching device is buffered and protected during launching through buffer springs. The small rocket shell launching device is carried by an unmanned aerial vehicle or a ground vehicle and has the advantages of being downsized and portable and safe.

The invention relates to a sliding ball pin assembly applicable to a thrusting rod of a heavy loading vehicle balance rear suspension, which comprises a ball pin metal joint bearing and end covers, wherein the ball pin metal joint bearing comprises a ball pin and a friction pair outer ring; the middle part of the ball pin is spherical; the outside of the ball pin is assembled with the friction pair outer ring matched with the outside of the ball pin; the ball pin and the friction pair outer ring form a friction pair in a universal moving mode; the twisting and deflecting of the thrusting rod can be converted into relative movement of the friction pair; and the outer circumferential surface of the friction pair outer ring is provided with a layer of polyurethane which sulfates the friction pair outer ring and two end covers into a whole. When the ball pin performs the actions and bears impact, the polyurethane elastic body only bears extrusion; because the stress is simplified and the ball pin only bears the pressure subjected by the elastic body, the service life is greatly prolonged.

The invention relates to the technical field of troponin I detection, in particular to a troponin I detection reagent with high sensitivity through latex enhanced turbidimetric Immunoassay. The reagent comprises the following main components: a buffer solution, zinc chloride, Thesit, EMULGEN-A90, and a nitriloriacetic acid (NTA) preservative; a reagent R2 comprises the following main components: a buffer solution, triton-308, bovine serum albumin (BSA), a preservative, TnI antibody-coated latex particles and the like. The three surfactants, namely Thesit, EMULGEN-A90 and triton-308 are added, and the latex particles with appropriate particle sizes are selected, so that the reaction sensitivity is greatly improved, and the reagent is simple in product configuration, low in cost and very suitable for clinical expansion in large scale.

The invention relates to the field of cleaning devices, in particular to construction site steel pipe surface cleaning equipment. The equipment comprises a base and a cleaning box and further comprises a controller, a conveying mechanism, a beating mechanism and a scraping mechanism. The conveying mechanism is arranged at the top of the base to be used for conveying steel pipes and comprises a transmission assembly and two conveying tables. The beating mechanism is arranged at the top of the inner side of the cleaning box and used for beating the steel pipes, the beating mechanism comprises ahammer head and a rotating assembly, the scraping mechanism is arranged at the top of the inner side of the cleaning box and used for scraping impurities such as concrete on the surfaces of the steelpipes, the scraping mechanism comprises a scraping head, a pushing assembly and a limiting assembly, and the transmission assembly is electrically connected with the controller. According to the construction site steel pipe surface cleaning equipment, manpower is automatically replaced, the cleaning efficiency is high, the labor intensity is low, the noise is low, meanwhile, the power consumptionis low, the cleaning cost can be reduced, the cleaned impurities can be effectively collected, and pollution is avoided.

The invention discloses a buffer device for a composite damping force of an elevator. The buffer device comprises a buffer component and a magneto-rheological damping component which can be connected with the buffer component in a forward direction and a reverse direction and forms damping. By combining variable forward damping intervention at the later buffer stage of abnormal falling of an elevator car with elastic buffer at the earlier stage, the buffer device disclosed by the invention is suitable for high-speed elevators, and has an effect of being dynamically applied at any time, so that the comfortability and the reliability before the elevator car touches the bottom and at the moment when the elevator car touches the buffer component are effectively improved; meanwhile, before the buffer when the car touches the bottom is finished, the connection of the damping component is restored to play a role in limiting the speed of resilience, and steady resilience is ensured; parameters of magneto-rheological fluid are adjusted according to falling parameters of the elevator car, and if the falling speed is high, a bigger resilience force can be caused, and the power-on current of the magneto-rheological fluid is intensified so as to increase the restored damping force; meanwhile, during damping restoration, the viscosity of the magneto-rheological fluid can also be adjusted so as to ensure the resilience to be steady and slow.

The invention discloses an elevator buffer. The elevator buffer comprises a collided head and a body. The elevator buffer is characterized in that the body is movably connected with the collision head through an axis; a buffering head is closely attached and fixed to the upper portion of the collision head, and a wood buffering head is adopted as the buffering head and has good buffering performance and hit performance; the bottom end of the body is fixed to the contact ground; the body is further fixed to the contact ground through a support, wherein one end of the support is welded to the lower middle section of the body, and the other end of the support is fixed to the contact ground through a fixing piece; and a hydraulic buffer is adopted as the buffer. The elevator buffer has the advantages that firstly, the running performance is stable, and the buffering effect can be guaranteed; secondly, the elevator buffer is protected, and the situation that the elevator buffer is stressed, consequently, the elevator buffer is laterally inclined or topples down, and the buffering function is lost is prevented; thirdly, the space needed for operation is small; and fourthly, raw materials needed for the hydraulic buffer are oil or other liquid, and therefore compared with other buffers, the manufacturing cost is much lower.

The invention discloses a device for testing the buffer performance of a magnetorheological elastomer. The device for testing the buffer performance of the magnetorheological elastomer comprises a base, an upper cross beam and upright posts connected onto the base and the upper cross beam, wherein the upper end of a linear sliding rail is fixedly connected with the upper cross beam; the lower end of the linear sliding rail is fixedly connected with the base; a shock motion rack is in sliding fit with the linear sliding rail; the shock motion rack comprises a hitting base, an upper shelf board and support pillars connected with the base and the upper shelf board; the magnetorheological elastomer is fixed on the upper shelf board; a mass block is fixed on the magnetorheological elastomer; a first acceleration sensor is fixed on the mass block; a lifting seat is arranged on the hitting base; the lower part of the lifting seat is in threaded fit with the hitting base through a screw; the upper part of the lifting seat is a fixed tray; a permanent magnet is fixed on the fixed tray in a magnetic adsorption manner; a second acceleration sensor is fixed on the hitting base. The device for testing the buffer performance of the magnetorheological elastomer can test the buffer performance of the magnetorheological elastomer in magnetic fields with various intensities.

The invention discloses a novel inflating structure for an airbag inflator. The novel inflating structure comprises an inflating guide rod, a blade and a high-temperature heating zone, wherein a gas channel is arranged inside the inflating guide rod; an air inlet is formed in one end of the inflating guide rod; at least one air outlet is formed in the inflating guide rod; the blade is arranged at the side of the inflating guide rod, and a cutting edge of the blade is close to the inflating guide rod; the inflating guide rod is arranged on the same horizontal position with the direction of an inlet of the high-temperature heating zone; and the inlet of the high-temperature heating zone is located between the air outlet and the blade. When an air cushion film is inflated by using the airbag inflator, the air cushion film is firstly inflated through an inflating inlet, is subjected to heat sealing by press-fit after entering the high-temperature heating zone from the inlet of the high-temperature heating zone and is incised by using the blade; and due to the adoption of an inflation, heat sealing by press-fit and incision inflating mode, the problem of gas leakage caused by heat sealing by press-fit after incision in the prior art can be effectively avoided, and the pressure of gas in the air cushion film can be ensured.

A side bolster adjusting apparatus of a seat of a vehicle for guiding a developing direction of a side airbag may include a side airbag developing direction guide plates integrally fixed to a seatback frame to guide a developing direction of the side airbag, side bolster adjusting plates hinged to rear ends of the side airbag developing direction guide plates, an airbag disposed between the side airbag developing direction guide plates and the side bolster adjusting plates to expand and shrink and to adjust positions of the side bolster adjusting plates, and a pneumatic control unit controlling expansion and shrinkage of the airbag.

The invention provides a door stop structure, belongs to the technical field of locating apparatuses, and solves the problem that an existing door stop structure is poor in buffer effect. The door stop structure comprises a locating part and a buffer assembly which are arranged oppositely; a locking head is arranged on the locating part; the buffer assembly comprises a mounting seat and a reset elastic part, a slideway is arranged on the mounting seat, a triggering slide block which can reciprocate is arranged on the slipway, and the triggering slide block has a locking portion connected to the locking head; one end, facing the locating part, of the slideway is a locking end while the other end is an actuation end; the locking head can be locked on or separated from the locking end of the slideway and the locking portion of the triggering slide block; a rotary damping structure capable of generating resistance in a process that the triggering slide block moves from the locking end to the actuation end of the slideway is arranged between the mounting seat and the triggering slide block; and the reset elastic part has an elastic reset force which pulls the triggering slide block from the locking end to the actuation end of the slideway. The door stop structure improves the compactness while the buffer effect of the door stop structure is guaranteed.

The invention relates to a detection reagent for detecting lactic dehydrogenase isozyme 1 through a chemical inhibition method. The detection reagent comprises a reagent R1 and a reagent R2. The detection reagent is characterized in that the reagent R1 comprises a biological buffer solution in which a solute in the reagent R1 ranges from 50 mmol / L to 150 mmol / L in concentration, 1.0 mmol / L to 1.5 mmol / L of L-lithium lactate, 1.5 mmol / L to 2.5 mmol / L of sodium perchlorate, 1ml / L to 5ml / L of hydroxy ethidene diphosphonic acid, 0.1 g / L to 1g / L of octadecyl trimethyl ammonium bromide, 0.1 ml / L to 1 ml / L of polyoxyethylene alkyl ether, and 0.5 ml / L to 5 ml / L of preservative. The reagent R2 comprises a buffer solution in which a solute in the reagent R2 ranges from 50 mmol / L to 150 mmol / L in concentration, 8-12 mmol / L NAD+ and 0.5-5 ml / L of preservative. The lactic dehydrogenase isozyme 1 detection reagent has the advantages of being high in accuracy and cheap in price.

The invention provides a total cholesterol detection reagent with high accuracy and disturbance resisting capacity and relates to the technical field of total cholesterol detection. A biological buffer CAPS (3-(hexanaphthene amino)-1-propanesulfonic acid) is used in the reagent R, and therefore the buffering ability is ensured; a surfactant octadecy trimethyl ammonium bromide and a surfactant EMULGEN-707 are added into the reagent R, the emulsification effect of the reagent is improved well, and the accuracy and specificity of the reagent are improved; stabilizers such as trehalose and mannitol are added into the reagent R, and the stability of the reagent can be improved effectively; hydroxy ethidene diphosphonic acid is added into the reagent R, heavy metal ions can be effectively chelated, and the accuracy of the reagent can be improved; chemical-resistant succinoxidase and bilrubin oxidase are added into the reagent, disturbance of ascorbic acid and bilirubin can be effectively removed, and the reagent is simple in preparation, low in price and very suitable for large-area clinical popularization.

The invention discloses a battery disassembling machine for movement of a pneumatic watch and relates to a batch dismantling and separating device employing a thimble. The battery disassembling machine is provided with an ejection mechanism, a loading tray, a feeding and discharging mechanism and a material receiving mechanism; the ejection mechanism comprises a pressing cylinder, a cylinder support plate, a thimble plate, the thimble, a buffer, a guide shaft and a bearing; the feeding and discharging mechanism comprises a cylinder, a cylinder connector, a sliding bar and two baffle blocks; the loading tray is divided into an upper plate of the loading tray and a lower plate of the loading tray; the movement of the watch is arranged in the loading tray; the material receiving mechanism comprises a rubber tube, a rubber tube supporter and a receiving plate; a lithium battery is ejected by the thimble, and then the material receiving mechanism collects the battery in a battery panel. The disassembling machine is simple in structure and stable in operation. The production efficiency is high, and manpower is saved due to batch dismantling.

The invention, which belongs to the technical field of non-pneumatic tires, discloses a pseudo-rigid non-pneumatic tire imitating a quadruped rear leg structure. The pseudo-rigid non-pneumatic tire comprises a hub and a rim; a plurality of plate springs are arranged between the hub and the rim; arc-shaped bends are arranged in the middles of the plate springs; all the plate springs are evenly distributed between the hub and the rim in the circumferential direction; one end of each of the plate springs is connected to the surface of the outer ring of the hub, and the other ends of the plate springs are connected to the surface of the inner side of the rim. The plate springs imitating quadruped rear leg structures and a rim are used as buffering and damping structures. The pseudo-rigid non-pneumatic tire has the congenital advantages of high bearing capacity and impact resistance; the characteristic that the rear legs of the quadruped can bear the large impact when the quadruped runs isutilized, the plate spring structure imitating the rear legs of the quadruped can also bear the large impact force; the radial rigidity of the plate spring structure is large; and thus the pseudo-rigid non-pneumatic tire is suitable for working in the environment with high bearing capacity and high impact.

An airbag (40) for knee protection internally includes a first tether (51) that connects a knee-side wall (41) and a vehicle body side wall (42) by a connecting distance (TL1) of 50 to 90 mm and partitions the airbag (40) into an upper inflatable chamber (44) and a lower inflatable chamber (49). The mainstreams of inflation gas heading to the upper inflatable chamber (44) from the lower (49) are located proximate left and right ends of the airbag (40). The upper inflatable chamber (44) has an outer diameter (D1) of 150 to 220 mm at full airbag inflation. The lower inflatable chamber (49) includes on the vehicle body side wall (42) a mounting portion (43) by which the airbag (40) is secured to the case and is designed such that a top (49b) of its rear face (49a) is dislocated forward relative to that of the upper inflatable chamber (44) by 10 to 70 mm at full inflation of the airbag.

The invention discloses a dual damping type logistics tray with a good buffering effect, and relates to the technical field of logistics tray equipment. The dual damping type logistics tray comprises a workbench, a first cavity, a second cavity, a first magnet, a tray, a sliding block, a sliding rod, a first compression spring, a second magnet, a second compression spring, a connecting rod, a first rotating shaft, a movable plate, a rubber block, a third cavity, a first rack, a second rotating shaft, a first gear, a third rotating shaft, a clamping plate and a second rack. The resilience force of the first compression spring is counteracted through magnetic force between the first magnet and the second magnet, the damping effect of the device is guaranteed through the second compression spring and the first compression spring, when the tray moves downwards, movable blocks make contact with the two sides of the tray to reduce the descending speed of the tray, and the buffering effect of the device is guaranteed; and when the weight of goods reaches a certain degree, the movable blocks and the clamping plate work at the same time, the periphery of the goods is clamped, and the safety of the goods is guaranteed.

The invention relates to the technical field of electrical equipment, and especially relates to an electrical equipment protection device convenient to install. The device comprises a mounting base, a plurality of fixed seats are fixedly arranged on the mounting base, each fixed seat is provided with a connecting seat, each connecting seat is fixedly provided with a universal wheel, the mounting base is fixedly provided with a box body, the box body is fixedly provided with a mounting box, the mounting box is fixedly provided with a buffer rubber pad, the mounting box is rotatably connected with threaded lead screws at equal angles, the threaded lead screws are fixedly provided with bevel gears, the threaded lead screws are all in threaded connection with push plates, the threaded lead screws are all sleeved with buffer moving plates, and multiple buffer fixing blocks are fixedly provided with a containing box. Guide through grooves are slidably connected with clamping seats, and the box body is rotatably connected with a box door. On the basis of a common protection device, a moving device, a fixing device, a buffering device, a clamping device, a water cooling device and a blowing device are arranged, the installation convenience, the protection performance and the heat dissipation effect are improved, and the service life is prolonged.