7702 results about "Airbag" patented technology

The invention provides a seat comfort optimization calculation method based on a sensor and AI modeling, and the method comprises the steps: collecting the pressure distribution data of the sitting posture of a passenger and a spine contact area in real time through an attitude sensor and a pressure sensor which are disposed on a seat; a seat supporting area is divided into a cervical vertebra area, a thoracic vertebra area, a lumbar vertebra area and a sacrococcygeal area, and a pressure distribution prediction model of each area is established; constructing an input vector based on the average pressure, the maximum pressure, the pressure gravity center, the body type parameter and the pathological weight factor, and outputting a target support pressure value, a pressure avoiding curve and a neighbor cell migration proportion of each partition by using an artificial intelligence model; dynamic adjustment is achieved through the partitioned air bag and the driving unit, and secondary fine adjustment and protection are achieved in combination with feedback monitoring. The system comprises a posture sensing module, a pressure sensing module, a data processing module, a model building module, a regulation and control execution module and a feedback monitoring module, and self-adaptive regulation and control of different areas of the spine of a passenger can be achieved.

A vehicle-mounted display device, a vehicle steering wheel assembly, and a vehicle. The vehicle-mounted display device comprises a decorative piece (1), wherein the decorative piece (1) comprises a connection portion (4), a touch-control display screen (2), a first mounting position (11) and a second mounting position (12); the decorative piece (1) is mounted on a base (13) of a vehicle steering wheel (3) by means of the connection portion (4); the first mounting position (11) is used for mounting the touch-control display screen (2), and the second mounting position (12) is used for mounting a vehicle airbag; and the first mounting position (11) and the second mounting position (12) are arranged side by side on the decorative piece (1), and the first mounting position (11) is located above the second mounting position (12) in the direction in which the first mounting position (11) and the second mounting position (12) are arranged.

The invention discloses a buffering, shock-proof and anti-collision conveying box for precision equipment, and relates to the technical field of conveying boxes, the buffering, shock-proof and anti-collision conveying box comprises a specially-made wooden box body, a plurality of groups of shock-absorbing blocks are arranged in the specially-made wooden box body, a plurality of groups of shock-absorbing and anti-collision mechanisms are arranged in the shock-absorbing blocks, and a plurality of groups of screw rods are arranged in the specially-made wooden box body. A lead screw is arranged in the special wooden box body, an oblique bevel gear is fixed to one end of the lead screw, a transmission rod is arranged in the special wooden box body, and a plurality of sets of movable supports are arranged in the special wooden box body and meshed with the lead screw. During continuous slight vibration, the contact area is reduced, friction is reduced, meanwhile, a lead screw drives a damping block to be attached to equipment to eliminate resonance, a damping anti-collision mechanism is triggered to work through violent impact, a spring and a damper absorb energy, when the impact exceeds the limit, the damper drives a gear mechanism to open an air valve, and an air bag expands to absorb impact force; the sliding block sleeve guides the expansion direction of the air bag to prevent damage, and the whole system can be dynamically adjusted according to actual impact strength to effectively cope with vibration and impact in transportation.

A processor retrieves data associated with a set of driving sessions and generates a training dataset by labeling a first subset of data that corresponds to driving sessions that included a first event and labeling a second subset of the data that corresponds to driving sessions that included an indication of an airbag activation. The processor then trains an artificial intelligence model using the training dataset, such that trained artificial intelligence model predicts a score indicative of a likelihood of a new driving session associated with a new driver being associated with at least the first event or an airbag activation. Once trained, the processor can augment the score using data retrieved after each driving session. The processor can also notify the driver if the driver's actions has caused their score to increase / decrease and provide an underlying reason.

The embodiment of the invention relates to the technical field of air bag safety, and discloses an air bag controller compatible with a multi-channel point explosion loop, a method, equipment and a medium. The cooperative control module is used for cooperatively controlling an air bag ignition loop and a safety belt pre-tightening loop and is configured to cooperatively trigger an air bag and a safety belt pre-tightening device based on the collision signal; the multi-channel sensor interface comprises a plurality of synchronous sensor channels and a plurality of asynchronous sensor channels and is used for collecting multi-dimensional collision data; the two paths of integrated ignition chips adopt a power supply separation design, each path of ignition chip is configured to control a plurality of air bag ignition loops, and power supply monitoring is carried out through pin cascade connection; and the diagnosis and trigger switching circuit is configured to disconnect the ignition power supply loop and conduct the diagnosis loop in the diagnosis mode, and conduct the ignition power supply loop and disconnect the diagnosis loop in the ignition mode. The technical problem of air bag multi-scene control can be at least solved.

The invention relates to the technical field of gas cylinder detection, in particular to a gas cylinder airtightness detection device which comprises a base, a clamping rotating structure is arranged at the upper end of the base, a gas cylinder is clamped on the clamping rotating structure, a lifting structure is arranged at the upper end of the base, and a sealing shell arranged on the outer side wall of the gas cylinder in a sleeving mode is installed on the lifting structure. An air pressure sensing structure is installed at the upper end of the sealing shell, four air bag shells are arranged on the bottom of an inner cavity of the sealing shell in a circumferential array mode, the outer wall of a gas cylinder is clamped through the four sealing gaskets and the air bags, effective sealing can be conducted when the outer wall of the gas cylinder is uneven, and the detection accuracy is improved; and meanwhile, the outer surface of the gas cylinder is cleaned by the cylindrical gas bag through expansion rotation of the cylindrical gas bag, when the gas bag is wizened, self-cleaning can be achieved when the gas bag rotates through sagging of the gas bag, gaps between the sealing gaskets can be filled when the gas bag is subjected to secondary expansion, and the result stability is improved.

The invention relates to the technical field of automobile door locks, and discloses a vehicle door lock standby unlocking method which is applied to a vehicle door lock standby unlocking system, under the normal condition, a main power source supplies power, and a vehicle body controller receives a collision signal from a safety air bag unit and controls at least one door lock motor to work so as to drive at least one vehicle door to be opened. Under the abnormal condition, a collision signal from the safety air bag unit and / or a fault signal from the vehicle body main controller are / is received; according to the collision signal / fault signal, a standby power supply is controlled to supply power to at least one door lock motor to enable the door lock motor to work so as to drive at least one vehicle door to be opened; the collision signal indicates that a vehicle collides, and the fault signal indicates that a vehicle body domain controller breaks down. By the adoption of the explanation method, a feasible channel is provided for rescue workers to open the vehicle door from the outside to implement rescue, guarantee is provided for safe unlocking of the vehicle door under the crisis condition, and smooth implementation of follow-up rescue is guaranteed.

The invention discloses a soil groundwater remediation agent injection device and method.The device is arranged in an excavated soil layer hole and comprises a flexible air bag, the flexible air bag further comprises an air bag body, the upper end and the lower end of the air bag body are made of hard materials, and the wall face of the air bag body is made of flexible materials; a pipeline penetrates between the upper end and the lower end in a sealed manner and is used for accommodating a medicine injection pipeline, an inflation pipeline and an air pressure monitoring line; the injector is arranged on the outer side of the flexible wall surface of the air bag body and is communicated with the medicine injection pipeline; the whole injector is arc-shaped or annular, the inner side of the injector is attached to the flexible wall surface, and medicament injection holes are uniformly formed in the outer side of the injector; after the air bag body is inflated and expanded, in the medicament injection process, the injector abuts against the height position of the soil layer to be repaired, and the flexible wall face is tightly attached to the wall face of the hole. According to the device, injection repairing work of the medicament at different depths can be rapidly achieved only by drilling a proper simple hole underground, and recycling of the medicament injection device can be achieved.

Disclosed is a seat airbag for a vehicle, the seat airbag including an airbag cushion including lateral cushions configured to be deployed forward from lateral sides of a seatback, and front cushions bent and extending from front ends of the lateral cushions toward a seat center and positioned at a front side of the passenger, and support tethers configured to connect upper portions of the front cushions and an upper portion of the seatback or connect lower portions of the front cushions and a lower portion of the seatback so that the front cushions support a passenger when the passenger is loaded onto the front cushions.

An apparatus for helping to protect an occupant of a vehicle includes an airbag configured to be mounted at a mounting location on a vehicle mounting structure. The airbag includes a front wall configured to receive the occupant, inflatable sidewalls connected to the front wall, and an inflatable rear cushion. The sidewalls are configured to extend from the front wall to a throat of the airbag at the mounting location. The front wall and the sidewalls delimit a non-inflatable central space located behind the front wall and between the sidewalls. The rear cushion is positioned in the central space between the throat and the front wall.

The invention relates to the technical field of packaging equipment, and particularly discloses fresh corn automatic vacuum packaging equipment which comprises a machine body, a rotating disc bag feeding system and a rotating disc vacuum system, and the rotating disc bag feeding system and the rotating disc vacuum system are arranged at the top of the machine body. And a clamping mechanism, a tightening mechanism, a synchronous driving mechanism and a heat sealing mechanism are arranged in the vacuum box. The effects of multi-point fixing of a packaging bag, automatic centering, deviation rectifying and clamping of corn and further front-back holding and fixing are achieved in sequence through cooperation of air pressure generated after the active air bag is extruded and hydraulic oil, the whole process is completed in the vacuum cover closing process, extra time does not need to be consumed, and therefore on the premise that the vacuum packaging efficiency is the same, the labor intensity of workers is lowered. The vacuum packaging quality of the corn is greatly improved, the packaging reject ratio is reduced, and the whole production cycle of the fresh corn does not need to be prolonged.

The invention relates to a coal seam extraction drilling air bag type memory metal net cover hole collapse prevention device and method, the device comprises an I-type air bag net cover installation unit body, a plurality of II-type air bag net cover installation unit bodies and an inflator pump, an exhaust pipeline is provided with an exhaust control valve, a hole wall is supported through a memory metal net cover, and the air bag net cover installation unit body and the inflator pump are arranged in the hole wall; the memory metal net sleeves can be matched with drill holes with different hole diameters in a self-adaptive mode and can be repeatedly used, the configuration number of the memory metal net sleeves can be greatly reduced, and therefore the processing cost of hole collapse prevention is further reduced; the installation of the memory metal net sleeve is directly controlled by the expansion of the air bag, so that the memory metal net sleeve can be quickly unfolded and reliably contacted with the hole wall; the removal of the memory metal net sleeve is directly controlled by temperature control gas, so that the memory metal net sleeve retracts to an initial state at the recovery temperature and is separated from the hole wall; the mounting and dismounting process of the memory metal net cover has the advantages of being simple, efficient and easy to operate, and the construction efficiency can be further improved.

The invention discloses a massage machine core, which comprises a first mounting frame and a second mounting frame, the lower side of the second mounting frame can be connected to the first mounting frame in a front-back swinging manner, and a kneading driving mechanism and a knocking driving mechanism which are used for driving the two massage mechanisms to implement massage actions are mounted on the second mounting frame; the air bag part is mounted between the first mounting frame and the second mounting frame; wherein the two massage mechanisms are spaced at a set distance in the left-right direction, so that a transmission assembly configuration area is formed between the two massage mechanisms; wherein the kneading driving mechanism comprises kneading driving shaft supports which are arranged on the left side and the right side and span the transmission assembly configuration area, and the knocking driving mechanism comprises knocking transmission assemblies which are arranged on the upper side and the lower side and are located in the transmission assembly configuration area. The kneading driving shaft support and the knocking transmission assembly are arranged in the transmission assembly configuration area in a staggered mode and do not interfere with each other. Compared with the prior art, the massage machine core is compact in overall structure.

The utility model relates to an air bag cushion and a mattress using the same. When an existing air bag cushion is assembled, the splicing precision of adjacent air bag strips is poor. The air bag cushion comprises a cushion body, the cushion body comprises air bag strips which are arranged side by side in the front-back direction of the cushion body, the front edges and the rear edges of the adjacent air bag strips are provided with front connecting pieces with front holes and rear connecting pieces with rear holes respectively, and when the front connecting pieces and the rear connecting pieces of the adjacent air bag strips are fixedly connected in an overlapped mode, the front connecting pieces and the rear connecting pieces of the adjacent air bag strips are connected in an overlapped mode. And the front holes are vertically aligned with the corresponding rear holes, so that the adjacent air bag strips are arranged in parallel at equal intervals. The front connecting piece and the rear connecting piece are provided with the front hole and the rear hole respectively, the front hole and the rear hole are vertically aligned, and it is ensured that the front connecting piece and the rear connecting piece are accurately stacked and fixedly connected, it is ensured that the adjacent air bag strips are parallel to each other, it is also ensured that the distance between the adjacent air bag strips meets the use requirement, and comfortable support is provided for a user; the use experience is improved.

The invention discloses an electric energy metering box with an intelligent monitoring system, and relates to the technical field of electronic metering, in particular to the electric energy metering box with the intelligent monitoring system, which comprises a metering box shell and a box cover hinged to the front surface of the metering box shell, the bottom end of the metering electricity meter is provided with a plurality of power-on metering lines, and a cavity stabilizing plate capable of moving up and down is arranged at the position, close to the lower portion of the metering electricity meter, in the metering box shell. And through cooperation of the first extrusion plate, the third spring and the locking block of the metering ammeter, internal and external dual clamping forces can be formed during wiring, an extrusion stabilizing cylinder fixes an electrified metering line through symmetrical force application, hands of an operator are liberated, and wire harness deviation during wiring is avoided.

The curtain airbag device for a moving object comprises a bag body configured to inflate and deploy when inflation gas is supplied, and a first engagement portion fixed to the bag body. The first engagement portion is configured to be engageable with a second engagement portion arranged to a holding portion configured to hold the bag body.

Disclosed are a high-barrier inflatable cushion and a preparation process therefor, which related to the technical fields of high-barrier inflatable cushions. The preparation process includes the following steps: material feeding, heating, vacuum counter-pressure molding, spray cooling, air cooling and drying, die-cutting, and thermal bonding. The high-barrier inflatable cushion comprises an airbag forming material and an airbag base material. The airbag forming material is prepared by laminating a TPU-EVOH composite with Lycra fabric, the TPU-EVOH composite has a total thickness of 0.4-0.8 mm, and the Lycra fabric has a gram weight of 150-230 g / m2. The airbag base material is prepared by laminating the TPU-EVOH composite with non-woven fabric, the TPU-EVOH composite has a total thickness of 0.1-0.3 mm, and the non-woven fabric has a gram weight of 60-80 g / m2.

The invention discloses an assembly type anti-explosion and anti-explosion wall, and belongs to the technical field of anti-explosion walls, the assembly type anti-explosion and anti-explosion wall comprises a phase change heat exchange energy-saving wall body, an explosion venting opening is formed in the phase change heat exchange energy-saving wall body, the explosion venting opening is square, an explosion venting window is installed on the explosion venting opening, a pressure bearing mechanism is arranged on one side, located outside, of the phase change heat exchange energy-saving wall body, and the pressure bearing mechanism is connected with the explosion venting window. The pressure-bearing mechanism is used for reducing explosion pressure and comprises a pressure-bearing box, a plurality of pressure-bearing plates which are rotationally connected with one another are arranged in the pressure-bearing box, first springs are jointly connected among the pressure-bearing plates, an air bag is further arranged in the pressure-bearing box, and the air bag is arranged in the pressure-bearing box. A material storage box is further arranged on the face, located outside, of the phase change heat exchange energy-saving wall body, fire extinguishing materials are arranged in the material storage box, a transmission box is arranged above the material storage box, an opening mechanism is arranged in the transmission box, the air bag is connected with the opening mechanism, and the air bag is extruded when explosion occurs. Explosion impact can be relieved, and meanwhile on-site fire sources can be extinguished.

According to the soft low-permeability coal seam hole protecting and permeability increasing integrated pipeline and the using method, a plurality of drill hole protecting and permeability increasing structures are all located in the deep position of a drill hole, hole sealing treatment is conducted on an extraction pipeline, the passive hole protecting, collapse preventing and supporting effects can be achieved on a gas extraction drill hole, and at the moment, gas extraction work is directly conducted; after the flow of the extracted gas is continuously reduced, the drilling hole is sealed firstly, the interior of the drilling hole is pressurized through free desorption of the gas, then gas is injected into all the annular gas bags through the gas injection pipe, all the annular gas bags are expanded in sequence to extrude the positions with collapsed holes so that the positions can be pressed and expanded, and active hole protection work is achieved; and meanwhile, the annular air bag expands to compress the space in the drill hole, so that the air pressure in the drill hole is increased, then the annular air bag retracts when gas is exhausted, and the cycle is repeated, so that variable-frequency pneumatic shock waves can be formed in the gas extraction drill hole to crack a coal body, and the coal seam gas is displaced to be quickly desorbed into the drill hole after fracturing, so that efficient gas extraction is realized.

The invention discloses a negative pressure leakage testing machine for detecting the sealing performance of a steel drum, and relates to the technical field of negative pressure leakage testing machines, the negative pressure leakage testing machine comprises a leakage testing machine body, the top of the leakage testing machine body is slidably provided with an air tightness detection device, and a steel drum to be detected is placed in the leakage testing machine body. According to the negative pressure leakage testing machine for detecting the sealing performance of the steel drum, the upper sealing air bag and the lower sealing air bag expand and make contact with an inlet of the to-be-detected steel drum, sealing of the to-be-detected steel drum is completed, the accuracy of sealing performance detection of the to-be-detected steel drum is improved, the to-be-detected steel drum is pressed into water in the water tank, and the sealing performance of the to-be-detected steel drum is improved. The leakage point continuously generates bubbles, so that the position of a defect point of the to-be-detected steel drum is conveniently determined, the to-be-detected steel drum is vibrated through contact between the pressing plate and the to-be-detected steel drum, an air film attached to the leakage point is loosened through vibration, bubble separation is promoted, bubbles are conveniently generated, and the detection accuracy is improved. Therefore, the defect points of the to-be-detected steel drum can be determined more quickly.

The invention belongs to the technical field of optoelectronic devices, and relates to an optical fiber connector plug which comprises a dustproof fixing assembly, the dustproof fixing assembly and a flexible dustproof pipe form a double-sealing structure through an annular air bag, and during plugging, an external buckle extrudes a clamping block to drive the annular air bag to expand so that an optical fiber can be tightly wrapped by the inner wall of the dustproof pipe; a zero-clearance dustproof barrier is formed, and the industrial problem of signal attenuation caused by invasion of dust through gaps of the optical fibers is thoroughly solved; the tail end adopts a sliding tube buffer design, a built-in second reset spring absorbs tension, optical fiber allowance is reserved to ensure that a bare fiber is not stressed, a rotary connector is matched to disperse torsional stress, the tail cap is prevented from being broken, the service life of equipment is remarkably prolonged, and the risk of optical fiber breakage is reduced.

The invention provides a blood pressure measurement system and method based on multi-airbag cooperative control and oscillatory wave analysis, and relates to the technical field of medical instruments. Comprising an integrated cuff cover body, an inflator pump, an electromagnetic valve, a pressure balancing device and a microprocessor, a first air bag, a second air bag and a third air bag are arranged in the integrated cuff cover body, firstly, an inflation pump is started, the multiple air bags are synchronously inflated to preset initial pressure, then a first air bag electromagnetic valve and a third air bag electromagnetic valve are closed, a pressure balance device dynamically adjusts a miniature deflation valve, and the pressure in the first air bag and the pressure in the third air bag are kept constant; the inflator pump continues to inflate until the pressure in the second airbag is higher than the systolic pressure level; the measuring method specifically comprises a multi-air-bag pressure measuring mode and a double-air-bag pressure measuring mode. The multi-air-bag pressure measuring mode is that three air bags are used for measuring pressure at the same time, and the double-air-bag pressure measuring mode is that only the second air bag and the third air bag are pressurized, so that blood pressure measurement is achieved.

The invention relates to the technical field of machining, in particular to an ultrasonic milling device which comprises a milling platform, a spindle and the like. A main shaft capable of moving up and down, left and right and front and back is mounted on the milling platform; and a cutting fluid nozzle is mounted on the main shaft. Compared with a conventional ultrasonic milling device, the telescopic state of the end milling cutter is controlled through the first driving part, so that the cutter replacement operation between the face milling cutter and the end milling cutter is completed under the condition that the main shaft does not stop, the time spent on replacing the milling cutter in the milling process of a machined part is shortened, and the milling efficiency is improved; and the baffle and the annular air bag jointly prevent cutting fluid from splashing into the sleeve, collision between cuttings and the end mill is avoided, and abrasion to the end mill is reduced.

An airbag tether separation system includes an airbag tether separator having an explosive and a housing including a wall with at least one space formed in the wall. The tether separator is structured so that, when the explosive is activated, the explosive produces shockwaves causing separation of a portion of a tether extending between the explosive and the wall. At least a portion of the shockwaves also pass into the at least one space, from where they may pass through the space away from a separation region of the tether and to an exterior of the housing, or be reflected in a direction away from the separation region of the tether.

The invention discloses a long-distance spraying dust-settling machine for engineering construction, which comprises an arranged water storage tank, a first motor is arranged in the water storage tank, a first output end of the first motor is connected with a rotating assembly, the rotating assembly is connected with a rotating seat, a second motor is arranged in a protective cylinder, and the second motor is connected with a second motor. A first air bag is arranged on the outer side of the rotating shaft and communicates with a second air bag through a pipeline, and the second air bag is arranged at the side end of the spray head. According to the long-distance spraying dust-settling machine for engineering construction, through swinging of a protective cylinder, the spraying coverage range of a spray head can be enlarged, dust settling comprehensiveness is improved, the problem that the dust settling efficiency is reduced due to insufficient driving force is solved, the output end of a second motor drives a rotating shaft to rotate, a fan on the outer side of the rotating shaft can rotate conveniently, and the dust settling efficiency is improved. And air in the first air bag is conveniently conveyed to the second air bag, so that the spray head rotates on the rotating shaft, and the dust falling effect is enhanced.

The invention discloses an omnibearing laser detection device for the tooth thickness of a gear forge piece. The device is composed of a buffer positioning mechanism, an angle adjusting mechanism, a control driving mechanism, a laser measuring mechanism and a feeding and discharging mechanism. The buffer positioning mechanism performs positioning from the inner ring of the gear, drives the regular polygon column to ascend and descend through inflation and deflation of the air bag, drives the positioning strip to position the gear, and provides buffering through the soft supporting piece. The angle adjusting mechanism can rotate the buffer positioning mechanism to different states, and the angle adjusting mechanism is matched with the laser measuring mechanism to adjust in the X-axis direction and the Y-axis direction, so that all-directional tooth thickness measurement is achieved. The control driving mechanism precisely drives the gear to rotate according to the state of the buffer positioning mechanism, and the air pump and the telescopic rod cooperatively control the airbag. A mechanical arm of the feeding and discharging mechanism is matched with an overturning claw, and automatic feeding and discharging and gear overturning are achieved. The device uniformly dispatches each mechanism through a control system, has the advantages of high detection precision, high automation degree, adaptability to gears of different specifications and the like, and powerfully guarantees gear quality detection.

The automatic punching device for automobile brake disc machining comprises a workbench, a feeding mechanism used for automatic feeding is arranged at the top of the left side of the workbench, an annular sliding rail is fixedly installed in the center of the top of the workbench, and a plurality of first limiting sliding blocks are slidably connected to the annular sliding rail; according to the automobile brake disc punching device, symmetrical punching is carried out on an automobile brake disc through two cutting punching machines on the symmetrical drilling mechanism, the punching efficiency is high, during punching, an inserting rod is inserted into a limiting sleeve, the cutting punching machines are limited and fixed through the limiting sleeve and the inserting rod, and the punching efficiency is high; the cutting perforating machine has the advantages that the problem that the cutting perforating machine deflects during perforating is avoided, perforating quality is improved, an inserting rod can press a bottom plate downwards every time the inserting rod is pressed downwards, air in an air bag is blown out from an air blowing pipe when the inserting rod ascends, the top of the automobile brake disc is blown to remove chippings while pressing downwards, and manual cleaning with an air gun is not needed.

A safety system for improving road compatibility of a vehicle includes a monitoring system and an integrated safety domain control unit. The monitoring system includes a vehicle external information monitoring module and a vehicle body posture monitoring module. The integrated safety domain control unit is configured to compute a collision condition between the vehicle and an obstacle based on data acquired by the vehicle external information monitoring module and the vehicle body posture monitoring module, the collision condition including a collision relative speed and a collision overlap rate, and determine, based on the collision relative speed and the collision overlap rate, whether to deploy an external airbag. A determination condition for controlling triggering of deployment of the external airbag includes determining whether the collision relative speed is less than a first speed threshold and / or whether the collision overlap rate is less than a first overlap rate threshold. The present disclosure further relates to a safety apparatus and method for improving road compatibility of a vehicle, and a medium, as well as a vehicle safety system, a vehicle safety apparatus, a method for enhancing safety of a vehicle, and a readable storage medium.

The invention relates to the technical field of plunger pumps, and discloses a valve body and a plunger pump, two valve bodies and two valve seat bodies are included, one sides of the bottom ends of the two valve bodies are each provided with a first leather sheath, the other sides of the bottom ends of the two valve bodies are each provided with a second leather sheath, and the left end and the right end of one side of each second leather sheath are each provided with an insertion groove; one end of the inserting block is fixedly connected to one side of the first leather sheath, an air bag is fixedly connected to the inner side wall of the inserting groove, and the bottom end of the air bag communicates with a pipeline. According to the valve body, the first leather sheath and the second leather sheath are placed on the outer side of the valve body, the inserting block enters the inserting groove, air is injected into the air bag so that the air bag can expand, and the gap between the inserting groove and the inserting block can be sealed; when the air bag is filled with air, the second spring can pull the sealing ball to move downwards and be tightly attached to the opening in the top of the base, the pipeline is plugged, and therefore a worker can conveniently fix the leather sheath to the outer side of the valve body.

The present invention discloses an evaporator for an automobile air-conditioner, which relates to the technical field of automobile air-conditioning, and comprises a supporting outer frame and an evaporator body, wherein the evaporator body is fixedly connected to the interior of the supporting outer frame, and the internal top wall of the supporting outer frame is fixedly connected to two diversion boxes, and the outside of the diversion box is fixedly connected to a plurality of blocking and shrinking airbags, and the supporting outer frame is fixedly connected to the micro air pump, and the air outlet of the micro air pump is connected to an air supply hose. When the plurality of blocking and shrinking airbags continue to expand laterally, the evaporator body can be sealed in a separate space in cooperation with the supporting outer frame, so that the evaporator body is no longer in contact with the outside air when not in use, thereby reducing the phenomenon that dust in the outside air adheres to the louver fins of the evaporator body, and the plurality of blocking and shrinking airbags filled with gas are lighter in overall weight, thereby reducing the burden on vehicle operation.