22 results about "Air pouch" patented technology

An in-situ heating and pressurizing device and method for forming a helicopter blade, which belong to the technical field of graphene-thin-film electric heating and are used for forming a hollow spar (1-3) blade. The device comprises an in-situ electric heating thin film, a silicone rubber pressurizing air pouch (2-2), an upper forming mold and a lower forming mold, wherein the in-situ electric heating thin film is arranged on the surface of the silicone rubber pressurizing air pouch (2-2) to form an in-situ heating and pressurizing assembly, and a hollow spar (1-3) blade to be formed or repaired is arranged between the upper forming mold and the lower forming mold; and the in-situ heating and pressurizing assembly is arranged on the outer surface of said hollow spar (1-3) blade, or is arranged on the inner surface of the hollow spar (1-3) blade. By means of the device and method, a local area of a helicopter blade member can be heated and pressurized according to requirements, and there is no need to make the whole blade enter a heating apparatus, such that energy consumption is reduced, and other parts of the blade can also be prevented from structural damage and performance degradation caused by heating. The device and method have high flexibility, and are suitable for scenarios such as local maintenance and forming of blades.

The utility model relates to the technical field of blasting devices, discloses a hole bottom air spacer for rock-soil blasting, and solves the problem that the spacer cannot adjust the depth position of explosive in real time, so that the spacer is inconvenient to use. A protection assembly is fixedly arranged on the outer side of a spacer main body, the spacer main body comprises a lifting structure, and the lifting structure is arranged on the outer side of the spacer main body; the lifting structure comprises an air bag, an air inlet is fixedly formed in the upper end of the air bag, a position adjusting structure is movably arranged on the inner side of the lifting structure, gas is inflated into the air bag through the air inlet, the air bag rapidly expands and recovers and jacks up the position adjusting structure to ascend, and the explosive reaches the preset ideal position. The operation process is optimized, time and labor are saved, precision is high, and practicability of the device is greatly improved.

The invention provides an air bag capable of improving force for pressing a body part of a user. An air bag (30) is provided with: a first bag section (41) having an air chamber (51) that expands and contracts, and an extension section (53) that extends from the air chamber (51); and a second pouch portion (42) having an air chamber (52) that expands and contracts and an extension portion (54) that extends from the air chamber (52). When the air chamber (51) of the first bag part (41) and the air chamber (52) of the second bag part (42) are stacked in an overlapping manner, the extension part (53) of the first bag part (41) is connected with the extension part (54) of the second bag part (42).

The present invention relates to the technical field of pressure-holding apparatuses, and specifically relates to a modular pressure-holding apparatus, comprising a base for horizontally fixing a material tray, on which components to be pressure-held are placed in a rectangular array in sequence. A plurality of pressure plates are arranged above the material tray. Each pressure plate is provided with a plurality of pressure-holding air pouches capable of corresponding on a one-to-one basis to the components to be pressure-held, and the pressure-holding air pouches on each pressure plate cooperate with each other to form the same rectangular array distribution as that of said components on the material tray. Each pressure plate is provided with a pressure-holding telescopic assembly capable of driving said pressure plate to press tightly against the components to be pressure-held. By means of pressure-holding modules, the present invention enables independent zoned pressure holding on various areas of the material tray, thereby effectively improving the pressure-holding efficiency.

An intelligent sports kneepad and an intelligent control system. The kneepad is of narrow-band type and comprises a base (1) and a binding strap (2) connected to the base (1). The kneepad is mounted at the patellar tendon position by means of the binding strap (2). An air pouch (3) fitting onto the patellar tendon of the knee is disposed on an inner side surface of the base (1). An inflation mechanism (5), a detection mechanism, a battery assembly (6), an early warning assembly (7), and a main control board (8) are arranged inside the base (1). The detection mechanism is used for detecting the pressure state of the air pouch (3) and the motion state of the human body. The inflation mechanism (5) inflates or deflates the air pouch (3) on the basis of information fed back by the detection mechanism, and can automatically adjust the pressure applied to the patellar tendon position on the basis of different motion states. The battery assembly (6) supplies power to the kneepad. The early warning assembly (7) is used for providing sports warnings and emergency assistance notifications. The intelligent sports kneepad integrates multiple functions such as intelligent adjustment, early warning, and human–machine interaction, can effectively prevent or reduce knee joint injuries and fatigue, enables automatic tightness adjustment, and features a compact and lightweight structure with good portability, integration, and comfort.

The utility model discloses an odor distributing and diluting device which comprises a lower distributing box body and an upper distributing box body, the lower distributing box body and the upper distributing box body are in threaded connection, a lower containing cavity for containing a sample gas main bag is formed in the lower distributing box body, a lower pressing plate is installed in the lower distributing box body in a lifting and sliding mode, and the lower pressing plate is connected with the lower containing cavity. The lower pressing plate is vertically provided with a lower pressing rod, the lower pressing rod vertically penetrates through the gas distribution upper box body, the lower pressing plate drives the lower pressing rod to ascend and descend through a lifting adjustment driving device, the sample gas main bag is connected with a gas path main pipe penetrating through the lower box body, the gas path main pipe is connected with a plurality of gas path branch pipes, and the gas path branch pipes penetrate through the lower box body. Gas flow meters and valves are arranged on the gas path branch pipes, and the gas path branch pipes are respectively connected with corresponding odorless air bags; the device can inject sample gas into a plurality of odorless air bags at the same time according to the required gas flow, so that the complexity of independent gas distribution is reduced, and the efficiency is improved.

The present application relates to the technical field of terminals, and in particular to a wristband, a main body and a wearable electronic device. The wristband comprises a band body, an air pouch structure, a sensor, and an electrical connection structure. The band body has a first surface and a second surface opposite to each other in the thickness direction, and the first surface is used for contacting the wrist skin of a user; the band body comprises a first airflow port, the first airflow port is provided with an air guide channel, and the first airflow port is provided with an electrical connection terminal; the air pouch structure is fixed to the first surface of the band body, and the air pouch structure is provided with an air cavity configured to be communicated with the air guide channel of the first airflow port; the sensor is accommodated in the air cavity of the air pouch structure, and the sensor is used for detecting pulse waves; and one end of the electrical connection structure extends into the air cavity and is electrically connected to the sensor, and the other end of the electrical connection structure is electrically connected to the electrical connection terminal. The wearable electronic device can perform real-time and accurate blood pressure monitoring for a user, and bring better use experience to the user.

The present invention provides a cuff and a blood pressure measuring device that can suppress the formation of wrinkles that affect blood pressure measurement results and can easily manufacture the sheet material components constituting the cuff. The press cuff (71) includes: a plurality of air bags (81) formed by fixing two sheet material components (86) that are longer in one direction at their outer periphery, and stacked in a way that they can be rolled around a living body with their length direction aligned; a notch (84) provided in at least one of the air bags (81) on the wrist (100) side, formed by cutting off the two sheet material components (86) from one end toward the other in the width direction; and a second fixing part (85) provided in a frame shape on the inner side of the outer periphery of the two opposing sheet material components (86) of two adjacent air bags (81) to fix the two air bags.

An in-vivo pressure detection sensor and detection system. The detection sensor comprises: an air pouch (1), which is configured to be implanted into a part awaiting measurement; and a first air pressure sensor (2), which is located in an environment in gas communication with the interior of the air pouch (1) and which is used for measuring the air pressure value inside the air pouch (1). By means of combining the air pouch (1) with the first air pressure sensor (2), in-vivo pressure monitoring can be implemented, thereby reducing the physical size of the detection sensor; and the air pouch (1) is used to directly measure intracranial pressure to obtain an accurate intracranial pressure value, thereby preventing the exposure of brain tissue to the risk of injury. The detection sensor further comprises a first wireless power supply and communication module (8), which is used for performing wireless power supply on internal components of the detection sensor and directly sending measured parameters to an external receiver.

The invention relates to the field of medical instruments, in particular to a blood pressure calculation method and an electronic sphygmomanometer. The blood pressure calculation method comprises the steps that a pressure value sequence in an air bag is continuously collected, and an air pressure pulsation sequence and a basic air pressure sequence are extracted based on the pressure value sequence; generating an envelope line according to the air pressure pulsation sequence, and determining an envelope line peak value based on the envelope line; determining diastolic pressure and systolic pressure according to the envelope peak value; and determining a rising and falling time ratio according to the air pressure pulsation sequence, and correcting diastolic pressure and systolic pressure according to the rising and falling time ratio. A blood pressure calculation method and an electronic sphygmomanometer are applied to the electronic sphygmomanometer, and the blood pressure measurement precision of the electronic sphygmomanometer can be improved.

A cuff structure (3) for use in a blood pressure measurement device (1) is provided with: one or more air bags (71, 81) that are inflated by a fluid; and one or more members (51, 53, 71, 81) included in the air bag (71, 81) or laminated on the air bag (71, 81), bent portions (55) being provided on at least two of the air bag (71, 81) and the one or more members (51, 53), one of the bent portions (55) being formed by an opening or a divided portion, and the other of the bent portions (55) being formed by an opening, a divided portion, a cutout, a recess, or a groove.

An automatic loading and unloading and sprue removal integrated device for embedding a light guide rod, relating to the technical field of light guide rod production. The device allows for convenient and efficient insertion of light guide rod bodies into insertion holes, after the insertion, ring-shaped covers can be automatically inflated, such that air pouches expand and then abut against the side walls of the light guide rod bodies, thereby facilitating the clamping and limiting of the light guide rod bodies, preventing the light guide rod bodies from shaking and tilting, and achieving a certain cushioning effect; the bending deformation of the light guide rod bodies on a light guide rod tray can be automatically detected; and whether the light guide rod bodies are properly inserted into the insertion holes can be automatically detected, ensuring that all the light guide rod bodies can be properly placed within the insertion holes, thereby ensuring the suction effect of suction cup grippers, preventing damage to the light guide rod bodies, and ensuring subsequent production quality.

The present application provides a blood pressure measuring cuff which is excellent in durability and easy to use. The blood pressure measuring cuff (1) comprises: a belt-shaped body (10) formed by enclosing an air bag (7) in an outer cloth (11) and an inner cloth (12) opposite to the outer cloth (11); a first opening portion (15) provided in the outer cloth (11); and a first hook-and-loop fastener (5) fused to the outer cloth (11) in a state in which the first opening portion (15) is closed from the inner side of the belt-shaped body (10) and a loop surface (5k) of the first hook-and-loop fastener (5) is exposed from the first opening portion (15).

The present invention relates to the technical field of medical instruments. Provided are a sequential balloon pulsatile blood pump for an artificial uterus, and a system and a method. The blood pump comprises: a pump body, which is arranged in a blood flow circuit of an artificial placenta and comprises a first pump chamber and a second pump chamber, wherein the first pump chamber and the second pump chamber are connected in parallel by means of a conduit, and two ends of the conduit are respectively an inlet end and an outlet end of blood, the inlet end being in communication with an umbilical artery of a fetus, and the outlet end being in communication with an umbilical vein of the fetus by means of an oxygenator; a controller, which is in communication connection with both a first air pouch assembly and a second air pouch assembly; and a heart acquisition unit, which is arranged on the outer surface of an artificial uterus and is in communication connection with the controller. The present invention has advantages, such as being capable of generating a pulsating blood flow, adapting to the high heart rate of a fetus, not affecting a cardiac afterload balance of the fetus, and preventing umbilical vascular intubation spasm.

A cuff structure (3) for use in a blood pressure measurement device (1) is provided with: one or more air bags (71, 81) that are inflated by a fluid; and one or more members (51, 53, 71, 81) included in the air bag (71, 81) or laminated on the air bag (71, 81), bent portions (55) being provided on at least two of the air bag (71, 81) and the one or more members (51, 53), one of the bent portions (55) being formed by an opening or a divided portion, and the other of the bent portions (55) being formed by an opening, a divided portion, a cutout, a recess, or a groove.

An air cushion (200) and a production process therefor. The production process comprises the following steps: S1, preparing a machine and a mold required for production, preparing an air intake valve (2000) and an exhaust valve (4003), and preparing blanks of, for example, a fabric layer (4005), a first air-cushion layer (4000), a second air-cushion layer (4001), and a second structural layer (1001); S2, manufacturing an air output valve (3000); S3, stretching the second structural layer (1001) to form an accommodating cavity (1002); S4, thermally bonding the air intake valve (2000), the exhaust valve (4003) and the air output valve (3000) to the first air cushion layer (4000); S5, placing an elastic body (1003) in the accommodating cavity (1002), and thermally bonding the second structural layer (1001) onto the first air cushion layer (4000); S6, thermally bonding the first air cushion layer (4000) and the second air cushion layer (4001) to form an air pouch (4002); and S7, thermally bonding the fabric layer (4005) to the air pouch (4002) to form an air cushion (200).

The present application relates to a noise reduction structure for an air bladder body and a pneumatic system. The noise reduction structure is disposed in the air bladder body. The air bladder body is configured as an air pouch capable of implementing pneumatic adjustment of a seat. An airflow conduit is inserted into the air pouch, and an airflow is blown into the air pouch via an air supply assembly and the airflow conduit. The noise reduction structure is configured as a variable airflow dispersion portion, and the variable airflow dispersion portion is in communication with the end of the airflow conduit away from the air supply assembly. During inflation of the air pouch, a high-speed jetted airflow is blown toward the variable airflow dispersion portion via the air supply assembly and the airflow conduit; the variable airflow dispersion portion gradually assumes an expanded state under the dispersing action of the airflow, and the airflow is dispersed and blown into the air pouch. During outward deflation of the air pouch, the variable airflow dispersion portion gradually assumes or has already assumed a collapsed state, and the airflow in the air pouch enters the airflow conduit relatively slowly and is ultimately discharged from the air pouch.

The present invention relates to the technical field of sludge treatment. Disclosed is a water ecological environment management device, comprising a base plate, wherein a support platform is fixedly mounted on the upper surface of the base plate, a top cover is fixedly mounted on the upper surface of the support platform, a feeding platform is rotatably mounted on the upper surface of the support platform, the feeding platform is mounted between the top of the support platform and a top wall of the top cover, and the top end of the feeding platform is attached to the top wall of the top cover; and a plurality of receiving slots penetrate the upper surface of the feeding platform at equal intervals in a circumferential direction. The present invention compresses and dewaters sludge by means of using air pouches to push pressing plates to move, and automatically stops compressing the sludge when the sludge is compressed into a compact state, thereby preventing compression mechanisms from being damaged due to continuous operation when reaching the compression limit thereof; in addition, the present invention can automatically adjust the compression stroke on the basis of the moisture content of sludge in each instance of compression dewatering, thus ensuring that a corresponding dewatering effect can be adaptively achieved regarding sludge with different moisture contents in each instance of compression dewatering.

The application relates to the technical field of fan blades, in particular to a forming process of a fan blade, which specifically comprises the following steps: cleaning a mold; coating a release agent on the inner cavity surfaces of a lower mold and an upper mold, and respectively spraying a gel coat; respectively laying fiber cloth on the inner cavity surfaces of the upper mold and the lower mold; placing an inflatable soft film and wrapping the inflatable soft film with a flow guide net; loading a supporting cylinder into the inflatable soft film opening, inflating the inflatable soft film, placing a supporting column on the vacuum air bag wrapped with the flow guide net after forming, and finally laying a layer of fiber cloth, combining the upper mold and the lower mold to seal the inner cavity of the mold; installing an exhaust pipe, exhausting the exhaust pipe, and vacuumizing; taking out the supporting cylinder, injecting resin through a resin injection pipe, solidifying and forming, taking out the blade, taking out the inflatable soft film in the blade, and obtaining the fan blade. The fan blade is integrally formed, the overall strength of the blade is improved, no garbage is generated, the manufacturing process is simplified, and equipment investment is reduced.

The utility model belongs to the technical field of medical instruments, and discloses a cuff for a sphygmomanometer and the sphygmomanometer. The cuff comprises a cuff body and a winding mechanism, the cuff body is provided with a first end and a second end in the length direction of the cuff body, the first end is provided with an opening part, and the width of the first end is larger than that of the second end; the cuff body comprises an air bag, a support and a cover body arranged outside the air bag and the support, the cover body comprises an inner peripheral layer and an outer peripheral layer, the air bag is located between the inner peripheral layer and the support, the support is provided with a head end and a tail end, the head end is fixedly connected to the first end, and the tail end is fixedly connected to the second end. The tail end of the winding mechanism is fixedly connected to the second end, and the winding mechanism is arranged on the cuff body and used for driving the second end to move in the winding direction of the cuff body, so that the length of the portion, stretching into the cuff body, of the second end is changed, the difficulty of wearing the cuff by a testee is reduced, the smoothness of winding the cuff is improved, and the service life of the cuff is prolonged.

The invention provides an air bag capable of rapidly expanding two air chambers during air supply. An air bag (30) is provided with: a bag section (40) having two air chambers (51, 52) that expand by air supply and contract by air discharge, a branch flow path (55) that connects the two air chambers (51, 52), and a connection flow path (56) that connects to the branch flow path (55); and a retainer (72) and a retainer ring (73) that sandwich the intermediate portion of the branch flow path (55) other than the boundary portion.