676results about "Gas based dampers" patented technology

Air springs for bicycle components are described herein. An example air spring includes a tube, a first sealhead coupled to the tube, a second sealhead coupled to the tube such that a sealed pressure chamber is formed in the tube between the first and second sealheads, and a seal coupled to the second sealhead. The second sealhead and the tube are coupled along an axial interface locking length. The tube has a vent port. The seal is spaced from the vent port by a port seal gap that is less than the axial interface locking length such that as the second sealhead is being decoupled from the tube, the seal loses sealing contact with the inner surface to enable at least a portion of the sealed pressure chamber to be equalized with atmospheric air before the second sealhead is fully decoupled from the tube.

A dual function fluid adjuster assembly. The dual function fluid adjuster assembly has a first adjuster assembly for adjusting a first rebound fluid circuit and a second adjuster assembly for adjusting a second rebound fluid circuit. At least a portion of the first adjuster assembly is at least partially housed within a shaft assembly, and at least a portion of the second adjuster assembly is at least partially housed within the shaft assembly.

A charger according to the present embodiment may comprise a cover having a space formed in the cover; a first pulley guide and a second pulley guide disposed in the cover; a first moving pulley guided by the first pulley guide and moved by a charging cable; a second moving pulley guided by the second pulley guide and moved by the charging cable; and a damper installed on one of the first moving pulley and the second moving pulley.

The invention relates to a vertical high-speed motor active and passive vibration reduction system, which comprises a motor body, a motor base, a controller, a vibration sensor and an integrated active and passive pneumatic damping actuator, and is characterized in that the actuator is arranged between the motor body and the motor base; the vibration sensor is in signal connection with the motor body; the input end of the controller is in signal connection with the vibration sensor, and the output end of the controller is in signal connection with the high-speed switch pneumatic servo valve. According to the vertical high-speed motor active and passive vibration reduction system and vibration reduction method, a controller, a high-speed switch pneumatic servo valve and other components form an active damping system; and the damping pore plate and the auxiliary air chamber jointly form a built-in passive damping system. The passive damping system processes broadband vibration, and active control burden is reduced; and the active damping system achieves accurate suppression, and the overall energy efficiency ratio is increased. The active damping system and the passive damping system work in cooperation to jointly solve the vibration problem, so that the vibration problem of the vertical high-speed motor is rapidly and effectively suppressed.

The utility model provides a piston cylinder body and a vehicle suspension device, comprising: a front suspension lifting component comprising a first cylinder body and a first piston, the first piston forming a first air chamber and a first oil chamber in the first cylinder body; the first high-pressure gas storage tank is communicated with the first gas cavity through a first connecting pipe; the rear suspension lifting component comprises a second cylinder body and a second piston, and the second piston enables a second air cavity and a second oil cavity to be formed in the second cylinder body; the second high-pressure gas storage tank is communicated with the second gas cavity through a second connecting pipe; the first high-pressure gas storage tank and the second high-pressure gas storage tank are communicated with the high-pressure gas pump through a first pipeline and a first communicating pipeline, the first pipeline is provided with a second valve, and the first communicating pipeline is provided with a first valve. Buffering and damping effects of the left suspension and the right suspension can be adjusted so as to meet requirements of different road conditions, and driving experience of users can be improved.

The utility model provides a double-stroke shock absorber which comprises a main cylinder body, a first shock absorption rod is installed at the top end of the main cylinder body, a first piston is installed at the bottom end of the first shock absorption rod, and the first piston is installed in the main cylinder body in a sliding mode. An air chamber II and an air chamber III are arranged at the upper and lower ends in the damping rod I; a second damping rod is mounted at the top end of the second air chamber, and a second piston is mounted on the outer side of the bottom end of the second damping rod and slidably mounted in the second air chamber; an air chamber IV is arranged at the bottom end of the damping rod II; the bottom end of the main cylinder is connected with a base. By the adoption of the mode of the double damping rods, the overall supporting distance and the damping length can be effectively increased, meanwhile, the hardness degree and the supporting height between the first damping rod and the main cylinder body can be rapidly adjusted by adjusting the internal air pressure, and the hardness degree and the supporting height between the second damping rod and the first damping rod can be rapidly adjusted by adjusting the internal air pressure. And rapid adjustment can be carried out by adjusting the internal air pressure, so that flexible adjustment can be carried out during use, and the use convenience is high.

The utility model discloses a gas spring which comprises a cylinder barrel, a piston rod and a piston assembly. The piston assembly is arranged at the first end of the piston rod and divides the cylinder barrel into a first cavity and a second cavity, the piston assembly comprises a first piston piece, a second piston piece and a sealing ring, the first piston piece comprises a first component and a second component, and the sealing ring is arranged on the second component in a sleeving mode and located between the first component and the second piston piece. The first component is provided with a first flow channel, a second flow channel is formed between the outer edge of the second component and the inner wall of the cylinder barrel, the first flow channel communicates with the first cavity and the second flow channel, a first labyrinth groove is formed among the first piston piece, the second piston piece and the piston rod, the second piston piece is provided with a throttling hole, and the two ends of the first labyrinth groove communicate with the first cavity and the throttling hole correspondingly. The throttling hole is communicated with the second cavity. According to the gas spring, the resistance in the stretching process can be changed according to the external force, so that the use experience of a user when the gas spring is applied to doors and windows for buffering is improved.

The invention discloses a stiffness regulating valve for a multi-cavity air spring, and relates to the technical field of automobile control equipment, the stiffness regulating valve is used for regulating the size of an opening at a communicating air passage of the air spring, the stiffness regulating valve comprises a shell and a motor arranged in the shell, a screw rod and a piston are arranged in the shell, one end of the screw rod is connected with the motor, and the other end of the screw rod is connected with the piston. The other end of the lead screw is fixedly connected with a piston, and the position of the piston corresponds to the communicating air channel. The motor comprises a stator and a rotor, a transmission threaded hole is formed in the rotor along the axis, and the lead screw is meshed with the transmission threaded hole to form transmission connection. Through the unique structural design, the motor directly drives the lead screw to conduct transmission, the transmission precision is improved, the lead screw is arranged in the motor rotor, the axial size space of the valve body is greatly saved, high integration is achieved, the space utilization rate is improved, and the machining cost is reduced.

The invention relates to a buffering noise reduction assembly, a valve element, an electromagnetic valve and a vehicle, the buffering noise reduction assembly comprises a fixed part, a movable part and a buffering part, the movable part is configured to move in the direction towards or away from the fixed part under the action of external force, and the movable part is used for being attached to the fixed part; the buffer part is arranged between the fixed part and the movable part, and the buffer part is used for deforming in the process that the movable part moves to be attached to the fixed part so as to buffer the movable part; wherein at least one of the fixed part and the movable part is provided with a deformation cavity, and the deformation cavity is used for accommodating the buffer part when the buffer part deforms, so that the fixed part is attached to the movable part, and the deformation part of the buffer part is prevented from occupying an attaching area between the fixed part and the movable part; the fitting area can be kept in full contact, and the current in the working process of the electromagnetic valve can be reduced to a certain extent.

A dual-piston diaphragm air spring includes a housing, an upper mounting seat for fixedly connected to a vehicle body, and a lower mounting seat for fixedly connected to a suspension swing arm, the upper mounting seat being provided with a first piston mounting column extending downward, a first piston being fixedly provided on the first piston mounting column, the lower mounting seat being provided with a second piston mounting column extending upward, a second piston being fixedly provided on the second piston mounting column, a space being left between the first piston mounting column and the second piston mounting column, a rubber airbag being provided between the first piston and the second piston, the rubber airbag being located in the housing, the upper end of the rubber airbag being fixedly connected to the first piston mounting column, and the lower end being fixedly connected to the second piston mounting column, the axial length ratio of the first piston mounting column to the second piston mounting column being 2:1 to 4:1, the axial length of the first piston being the same as that of the first piston mounting column, and the axial length of the second piston being the same as that of the second piston mounting column.

The utility model relates to a motorcycle shock absorber capable of adjusting the angle of a gas tank, which comprises a shock absorber body, a mounting seat and the gas tank, the mounting seat is hinged with the gas tank through a hinge shaft, and a gas transmission channel is arranged in the hinge shaft to communicate a gas supply channel of the gas tank with a gas inlet channel of the mounting seat so as to realize dynamic communication of a gas circuit during multi-angle adjustment of the gas tank. The two ends of the hinged shaft, the hinged seat and the hinged part form a first conveying air cavity and a second conveying air cavity respectively, the first conveying air cavity and the second conveying air cavity are aligned with the air conveying channel through the first air conveying hole and the second air conveying hole, air path continuity is guaranteed, and the flow adjusting mechanism comprises a thread driving valve element to achieve accurate flow gear adjusting, touch feedback gear prompting and vibration loosening prevention. The problems that a traditional gas tank is poor in fixing angle adaptability and rough in flow adjustment are solved, high precision, looseness prevention and operation intuition are achieved, the device is suitable for complex vehicle frame layout, and the damping performance and user experience are improved.

The invention belongs to the technical field of engineering machinery, and particularly relates to a damping device, in particular to a nitrogen spring score cylinder and a working method thereof. The nitrogen spring score cylinder comprises a piston rod, a piston rod, a piston rod and a piston rod, the two sealing pieces are arranged in sealing grooves in the outer wall of the piston rod, and the outer walls of the sealing pieces abut against the inner wall of the cylinder body; the oil storage piece is arranged on the outer wall of the piston rod in a sleeving mode and located between the two sealing pieces; the two linkage adjusting pieces are located on the two sides of the oil storage piece respectively and correspond to the sealing pieces respectively; when the piston rod moves leftwards, the linkage adjusting piece located on the right side of the oil storage piece moves rightwards to extrude the sealing piece on the right side to expand outwards and deform. When the piston rod moves rightwards, the linkage adjusting piece located on the left side of the oil storage piece moves leftwards to extrude the sealing piece on the left side to expand outwards and deform; when the linkage adjusting piece moves outwards relative to the oil storage piece, the grease in the oil storage piece moves outwards along with the linkage adjusting piece so that the grease can drip to the outer wall of the piston rod.

The invention provides a double-pipe self-locking type gas spring and relates to the technical field of double-pipe self-locking type gas springs, the double-pipe self-locking type gas spring comprises a sleeve, a lubricating structure, a connecting structure and a safety structure, a sliding rod is installed on the inner wall of the sleeve, a connecting piece is arranged at the end, away from the sliding rod, of the sleeve, and a connecting piece is arranged at the end, away from the sleeve, of the sliding rod; the connecting piece and the joining piece are connected with the sliding rod and the sleeve respectively through connecting structures, and a lubricating structure is arranged at the upper end of the sleeve. The problems that when a double-pipe self-locking type spring is used, a lubricating device is arranged in the double-pipe self-locking type spring, but in the actual using process, lubricating oil is troublesome to add and replace, continuous and stable lubrication of sliding parts in the double-pipe self-locking type spring is difficult to achieve, and the service life of the double-pipe self-locking type spring is affected are solved. The problem that the normal use and the service life of the double-tube self-locking spring are affected due to the fact that the sliding rod and the sleeve are prone to being blocked and even abraded due to the fact that friction is too large is solved.

One example of a basketball system includes a post, a backboard, a connecting structure that connects the backboard to the post, and a height adjustment mechanism operable to adjust a position of the backboard relative to a reference surface, and the height adjustment mechanism includes one or more arms connected to the connecting structure, an adjustment handle connected to the one or more arms and to the support structure, a gas shock including a locking pin and connected to the support structure, to the one or more arms, and to the adjustment handle, and an actuator arm connected to the adjustment handle and operable to change a disposition of the locking pin of the gas shock when the adjustment handle is operated so that the locking pin is moved between first and second dispositions which respectively correspond to a locked state and an unlocked state of the gas shock.

The utility model relates to the technical field of air springs, and provides an air spring assembly and an air suspension system. The air spring assembly comprises an air bag and a piston assembled at the end of the air bag. The cushion block is arranged at the first end, away from the air bag, of the piston, the first end of the piston is provided with a limiting cavity, the cushion block is provided with a channel communicating with the limiting cavity, and the first end, away from the piston, of the cushion block is provided with a mounting part; the connecting piece comprises a head part and a rod part, the head part extends into the limiting cavity and is limited by the second end, close to the piston, of the cushion block, and the rod part penetrates through the channel and extends out. According to the air spring assembly, through cooperation of the cushion block, the connecting piece and the piston, the air spring assembly can be suitable for scenes with different suspension heights so as to adapt to different vehicle models, flexible connection is provided so as to adapt to dynamic working conditions of vehicles, meanwhile, the service life of parts is prolonged, and the working performance of the air spring assembly is improved.

A safety labelling system (S) comprising a lifting device (1) for positioning a labelling unit (2) in a vertical direction (Z) in relation to a flow of objects (3). The lifting device (1) comprises an upper section (1a) and a lower section (1b), wherein the upper section (1a) is movably arranged relative to the lower section (1b) by means of a balancing displacement unit (U). The labelling unit (2) is attached to the upper section (1a). The balancing displacement unit (U) comprises a cylinder barrel (5), a piston (6) movably arranged in the cylinder barrel (5), a piston rod (7), and a cylinder nut (8). The piston rod (7) and the cylinder nut (8) are rotatably engaged with each other, wherein the piston rod (7) at an inner end (7a) is connected to the piston (6) and the cylinder nut (8) is connected to the cylinder barrel (5). An actuator (M) is configured for rotatably displacing the piston rod (7) or the cylinder nut (8) resulting in linear displacement of the labelling unit (2) in the vertical direction (Z). The balancing displacement unit (U) further comprises a load balancing pressure chamber (9) arranged in the cylinder barrel (5) in connection to the piston (6), configured for counterbalancing a gravitational force (FG) exerted on the piston rod (7) by means of fluid pressure (P).

Assemblies include a gas spring and gas damper assembly and a mounting member with an elongated passage extending therethrough. The gas spring and gas damper assembly includes a flexible spring and first and second end member assemblies. The second end member assembly includes an end member chamber as well as a first passage in fluid communication between a spring chamber and the end member chamber. The second end member assembly includes a second passage in fluid communication between the spring chamber and an external connection port. The mounting member is secured to the second end member such that the elongated passage of the mounting member is in fluid communication with the second passage through the external connection port. Suspension systems are also included.

The utility model discloses an exhaust structure of an air spring dust cover, which relates to the technical field of air spring dust covers and comprises a dust cover body and an exhaust mechanism. The exhaust mechanism comprises a connector assembly and a connecting cover. A clamping piece is arranged on the joint assembly; the dustproof cover body and the connector assembly are used in a matched mode, redundant air pressure in an air spring assembly system is effectively exhausted, deformation of the dustproof cover is prevented, the dustproof cover body and the connector assembly are connected together in a gluing and press fitting mode, the production process is simple and firm, the welding process is reduced, cost is saved, and production efficiency is improved. The connecting cover and the connector assembly are connected to prevent impurities and the like from entering the dust cover in the packaging and transporting process of the dust cover body, the situation that the dust cover body is assembled on the air spring assembly to affect the performance of the air spring assembly is avoided, and the connecting stability between the connecting cover and the connector assembly can be improved through the clamping piece and the clamping part; the connecting cover and the connector assembly are prevented from falling off and being separated in the transportation process of the dust cover body.

The utility model discloses a nitrogen spring with a limiting function, which comprises a base, a first gear is rotatably connected inside the base, a second gear is meshed and connected outside the first gear, the lower surface of the second gear is rotatably connected with the base, a screw rod is fixedly connected to the upper surface of the second gear, and a sleeve is in threaded connection outside the screw rod. A lap joint block is fixedly connected to the exterior of the sleeve, a movable rod is fixedly connected to the interior of the lap joint block, a piston is fixedly connected to the bottom end of the movable rod, a motor is arranged in the movable rod, and a connecting block is fixedly connected to the output end of the motor. By means of the structure, through cooperation of the first gear and the second gear, the screw rod drives the sleeve and the lap joint block to move, so that the movable rod drives the piston to move in the cylinder body, in addition, through cooperation of the connecting rods and the connecting blocks, the multiple fixing blocks can be rapidly aligned and fixed, and rapid connection of components is facilitated.

A gas spring (1) comprising: a cup-shaped body (2); a movable piston (3) which is inserted in an axially slidable manner in the cup-shaped body (2) and is coupled to the cup-shaped body (2) in a fluid-tight manner, so as to delimit a variable-volume closed chamber (4) adapted to contain a pressurised gas; and a safety plug (8) provided with a shank (12) which extends in pass-through manner in the bottom wall (10) of the cup-shaped body (2), and protrudes cantilevered within the cup-shaped body (2) so that its distal end can be reached / struck by the movable piston (3) in the case of overtravel; the distal end of the shank (12) having a substantially tubular structure that directly communicates with the closed chamber (4).

A self-control device outer barrel is located in a piston air chamber, the upper end of the self-control device outer barrel is fixedly connected with a piston top plate, a self-control device inner barrel is coaxially sleeved with the self-control device outer barrel at intervals, and the lower section of the inner barrel is located in the outer barrel. The upper section upwards penetrates through the piston top plate and then extends into the air bag; the inner cylinder is provided with three rows of vent holes at different heights from top to bottom, and the upper row of vent holes of the inner cylinder are always located in the air bag; when a vehicle body is static, the inner cylinder middle row vent holes and the inner cylinder lower row vent holes are located in the piston air chamber. The lower section of the outer cylinder is provided with outer cylinder upper-row vent holes and outer cylinder lower-row vent holes; when the stroke of the suspension does not exceed the riding comfort of the automobile, the stroke of the suspension is improved, and the air bag, the piston air chamber and the additional air chamber work together to provide small rigidity, so that the automobile obtains good riding comfort; on the contrary, only the air bag works to provide larger rigidity, so that the automobile gives consideration to the automobile body posture stability and prevents the suspension limit from being impacted.

To avoid damage to a forming device and / or a workpiece with which a gas spring is used.SOLUTION: An industrial gas spring has: a pressure chamber in a casing with an end wall; a piston rod received at least in part in the casing for reciprocation between extended and retracted positions; and a pressure relief assembly carried by the end wall. The pressure relief assembly may have: a membrane communicating with the pressure chamber; and a plunger configured to breach the membrane when engaged and moved by the piston rod when the piston rod overtravels its design-intended retracted position.SELECTED DRAWING: Figure 1

An air spring for a bicycle component is described herein. An example air spring includes a tube, a first seal head coupled to the tube, a second seal head coupled to the tube such that a sealed pressure chamber is formed in the tube between the first seal head and the second seal head, and a seal coupled to the second seal head. The second seal head and the tube are coupled along an axial interface locking length. The tube has a vent. The seal is spaced from the vent by a port sealing gap less than an axial interface locking length such that when the second seal head is separated from the tube, the seal loses sealing contact with the inner surface to enable at least a portion of the sealed pressure chamber to be balanced with the atmosphere before the second seal head is fully separated from the tube.

The application relates to the field of air springs, in particular to an air spring piston and an air spring. The air spring piston comprises a first mounting base, a second mounting base, a third mounting base and an electromagnetic valve. The first mounting base is connected with a vehicle body. The first mounting base is integrally connected or welded with the second mounting base on one side, and is in airtight connection with one end of a valve body of the electromagnetic valve through the second mounting base. The first mounting base is integrally connected or welded with the third mounting base on the other side, and is in airtight connection with the other end of the valve body of the electromagnetic valve through the third mounting base. The three mounting bases and the valve body of the electromagnetic valve surround to form a secondary chamber. The secondary chamber is communicated with an air bag of the air spring through the electromagnetic valve, so that the air spring has a double-cavity structure, the air spring piston has higher structural strength, and the secondary chamber has good airtightness.

The invention relates to a torsional vibration damper (1) or a torsional vibration absorber comprising a rotating system having a primary mass arranged on a rotatable shaft, for example on an engine, in particular an internal combustion engine crankshaft, preferably non-rotatably fixed, and a secondary mass movable relative to the primary mass, and a component for vibration damping and / or vibration reduction of the relative movement between the primary mass and the secondary mass. The component for vibration damping and / or vibration reduction of the relative movement between the primary mass and the secondary mass has at least one pressure accumulator (15, 15'; 22, 22') within the rotating system of the torsional vibration damper (1) or the torsional vibration absorber. The invention also provides a method for damping torsional vibrations of an internal combustion engine crankshaft (2) with a torsional vibration damper (1) or a torsional vibration absorber.

The invention relates to a gas spring (100) comprising: a gas-filled pressure chamber in a pressure tube (110); a working piston (120) which can be displaced in the pressure chamber along a travel axis (HA); a piston rod (140) fastened to the working piston (120) and guided out of the pressure tube (110) along a travel axis (HA) through a guide seal (130); and a separating piston (150) which is arranged on a side of the working piston (120) facing away from the guide seal (130) and which can be displaced along a stroke axis (HA) relative to the pressure tube (110) and relative to the working piston (120). The separating piston (150) divides the pressure chamber in a gas-tight manner into a working chamber (112) accommodating the working piston (120) and a support chamber (113). The gas spring (100) comprises a holding device (160). The holding device (160) holds the separating piston (150) stationary on the pressure tube (110) as long as a positive pressure difference between the support pressure of the gas in the support chamber (113) and the working pressure of the gas in the working chamber (112) is less than a predefined switching difference. The holding device (160) is designed in such a way that, as long as the positive pressure difference reaches or exceeds the switching difference, a switching force acting on the separating piston (150) caused by the positive pressure difference releases the separating piston (150) from the pressure tube (110) in such a way that the separating piston (150) can be moved towards the working piston (120).

This utility model relates to the technical field of gas spring connection structures, and discloses a gas spring connection structure, including a gas spring body, connecting ends fixedly installed at both ends of the gas spring body, and two connecting components adapted to the connecting ends. Each connecting component includes an L-shaped fixed base, a threaded post, a fixed post fixedly installed on the L-shaped fixed base, and a locking member disposed on the fixed post. The threaded post is fixedly installed at the lower end of the L-shaped fixed base. The locking member includes a fixed cylinder, a sleeve movably fitted onto the fixed cylinder, two connecting blocks fixedly installed on the inner wall of the sleeve, a toggle ring, and multiple movable balls. The fixed cylinder has an annular groove and multiple mounting grooves adapted to the movable balls. The mounting grooves communicate with the annular groove and the inner side of the fixed cylinder. The toggle ring is movably installed in the annular groove. The purpose is to solve the problem that current gas springs are inconvenient to disassemble and assemble in confined spaces or situations requiring frequent disassembly and assembly, thus affecting the overall maintenance efficiency of the equipment.