1079results 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 double-piston membrane type air spring comprises a shell, an upper installation base used for being fixedly connected with a vehicle body and a lower installation base used for being fixedly connected with a suspension swing arm, the upper installation base is provided with a first piston installation column extending downwards, and a first piston is fixedly arranged on the first piston installation column. The lower mounting seat is provided with a second piston mounting column extending upwards, a second piston is fixedly arranged on the second piston mounting column, a space distance is reserved between the first piston mounting column and the second piston mounting column, and a rubber air bag is arranged between the first piston and the second piston and located in the shell. The upper end of the rubber air bag is fixedly connected with the first piston installation column, the lower end of the rubber air bag is fixedly connected with the second piston installation column, the axial length ratio of the first piston installation column to the second piston installation column is 2: 1-4: 1, the axial length of the first piston is the same as that of the first piston installation column, and the axial length of the second piston is the same as that of the second piston installation column.

A user accessible shock travel spacer assembly is disclosed herein. The system is used on a shock assembly having a shaft with an initial predefined stroke length. A retaining cap having a retaining cap thickness and a retaining cap opening therethrough. The retaining cap opening having a diameter that is larger than an outer diameter (OD) of a shaft of a shock assembly. At least one fastener to fasten the retaining cap with a portion of the shock assembly about the shaft, such that the retaining cap reduces a stroke length of the shaft of the shock assembly by the retaining cap thickness.

The present invention discloses an auxiliary spring that compensates for the height decrease due to the creep of a rubber body in a mechanical transmission manner, which includes a rigid core shaft, a rubber body vulcanized and bonded to the outer periphery of the core shaft, a metal outer sleeve vulcanized and bonded to the outer periphery of the rubber body, and a support plate horizontally installed on the top of the metal outer sleeve. A height lifting device is provided between the core shaft and the base. The lifting device includes a frame base, a lifting mechanism installed on the frame base, a torsion transmission mechanism, and a pressure storage mechanism. When the rubber body has crept and dropped to a set height, the carriage is in a heavy load condition, and the auxiliary spring encounters a downward overload impact, the support plate sinks and presses down the pressure storage mechanism, and the pressure storage mechanism temporarily stores the pressure. When the downward overload impact is released or the carriage heavy load is released, the pressure stored in the pressure storage mechanism causes the lifting mechanism to lift the auxiliary spring upward through the torsion transmission mechanism, thereby realizing the compensation for the decreased height of the auxiliary spring.

The invention discloses a temperature compensation gas spring, and relates to the technical field of gas springs. The gas spring comprises a piston rod assembly, a working cavity, a compensation cavity first part, a compensation cavity second part and a temperature compensation control valve assembly, wherein the piston rod assembly can reciprocate in the working cavity; the compensation cavity first part and the working cavity are arranged in the reciprocating motion direction, and the compensation cavity second part is arranged in the circumferential direction of the working cavity and communicates with the compensation cavity first part; the temperature compensation control valve assembly is located between the compensation cavity first part and the working cavity, and the temperature compensation control valve assembly controls communication between the compensation cavity first part and the working cavity. The low-temperature full-force-value compensation device can achieve the low-temperature full-force-value compensation effect on the basis that the space in the telescopic direction is limited and the stroke of the gas spring is not shortened, is effectively matched with an electric drive supporting system for use, and has the advantages of being easy to manufacture, low in cost and wider in application range.

The invention discloses an air spring with multiple bearings, an automobile suspension and an installation method.The air spring comprises a bearing installation base and a lower installation base, the lower installation base is arranged at the bottom of the bearing installation base, an automobile body installation base is arranged outside the bearing installation base, and a first bearing is arranged at the top of the bearing installation base; by the adoption of the air spring with the multiple bearings, the design requirement for bearing lateral force and torsional force of the air spring is met, and the sealing performance is reliable.

The utility model relates to the technical field of springs, in particular to a piston balance valve structure and a gas spring, and aims to solve the problem that a common gas spring cannot stay at any position. The piston balance valve structure comprises a cylinder barrel and a valve element, the valve element is inserted into the cylinder barrel, and a first cavity and a second cavity are formed in the two ends of the valve element respectively. The valve element comprises a piston body, a sliding sleeve and a reset spring. The sliding sleeve is sleeved on the piston body; the reset spring is used for applying elastic force to the sliding sleeve; the piston body is provided with a first passage, the sliding sleeve is provided with a second passage, the first passage is communicated with the first cavity, and the second passage is communicated with the second cavity. The valve element moves towards the first cavity to enable the first cavity and the second cavity to generate pressure difference so as to push the sliding sleeve, then the first channel and the second channel are communicated, the elastic force of the reset spring enables the first cavity and the second cavity to generate pressure difference and balance the elastic force, meanwhile, the pressure difference acts on the section of the cylinder barrel to balance loads, and residence at any position is achieved.

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.

The utility model discloses a base structure of an air spring, which comprises a base body and a backing ring, a plurality of elastic fasteners are circumferentially distributed on the inner wall of the lower portion of the base body in a surrounding manner, and the elastic fasteners protrude towards the center of the base body. The upper end of the backing ring can be clamped at the lower end of the elastic buckle, then the backing ring can be clamped in the base body, and the upper end face of the clamped backing ring is lower than or flush with the upper end face of the base body. Therefore, the connection of the base body and the backing ring does not occupy the axial space, the minimum thickness of the air spring base can reach a design value of 3mm, the overall height of the air volume of the air spring can be increased, and the volume is increased to the maximum extent; and the height size gap between the piston and the backing ring can be maximized, so that the air spring is prevented from bending up and down and interference between the backing ring and the piston is avoided.

An embodiment armrest assembly for a vehicle includes an armrest rotatably coupled to an armrest board and configured to be extended from the armrest board by rotating forward or to be housed in the armrest board by rotating and standing and a speed-reduction damper mechanism connecting the armrest and the armrest board and configured to make a rotational speed of the armrest uniform by reducing the rotational speed when the armrest rotates to be extended.

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 discloses a Macpherson suspension air spring assembly and a vehicle, relates to the technical field of automobile suspension vibration reduction, and solves the problem that the service life of an air bag is affected due to non-uniform stress in the working process of the air bag because a piston is eccentrically arranged and the central axis of the piston is intersected with the central axis of a vibration damper strut. The Macpherson suspension air spring assembly comprises a mounting assembly and a spring assembly, the upper end of the air bag is connected with the lower end of the mounting assembly in a slope matching manner; the central axis of the piston and the central axis of the air bag are eccentrically arranged; the damper assembly comprises a piston rod, the upper end of the piston rod is connected with the installation assembly, the lower end of the piston rod is connected with the piston in a penetrating and inserting mode, and the central axis of the piston rod and the central axis of the piston are arranged in an eccentric mode. The vehicle comprises the Macpherson suspension air spring assembly. Due to the eccentric design of the piston and the piston rod, the stress change of the central axis of the air bag is more uniform and relieved, and the service life of the air bag is prolonged.

The invention provides an electronic control shock absorber with coaxial dual solenoid valves. An electronically controlled shock absorber includes: a cylinder (110) formed with a dual structure having an inner space divided into a compression chamber and a rebound chamber and an outer space in which a reservoir chamber (117) is formed; a compression solenoid valve (180) mounted on the outside of the cylinder (110); and a rebound solenoid valve (190) mounted on the outside of the cylinder (110). The compression solenoid valve (180) and the rebound solenoid valve (190) are arranged to face each other on the same axis.

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 bidirectional rigid locking gas spring, which belongs to the technical field of gas springs and comprises a cylinder barrel, a piston rod component is arranged in the cylinder barrel and comprises a piston, a second piston rod and a first piston rod, the tail end of the first piston rod extends out of the right end of the cylinder barrel, the lining is located in the piston, the spring is located in the lining, the valve rod abuts against the right end of the spring, the control rod is located in the first piston rod and abuts against the right end of the valve rod, the valve rod is concaved inwards to form a flowing cavity, and an air cavity and an oil cavity are formed in the cylinder barrel through a second sealing piece. The oil cavities comprise the first oil cavity and the second oil cavity which are located on the left side and the right side of the piston respectively, the periphery of the piston is provided with a first channel and a second channel, the periphery of the bush is provided with a third channel, and the control rod is used for driving the valve rod to move and controlling the flowing cavity to be communicated with the third channel in cooperation with the spring so as to control the first oil cavity to be communicated with the second oil cavity. When the first oil cavity and the second oil cavity are not communicated, compression cannot be carried out due to the fact that gas spring oil exists on the two sides of the piston, and therefore two-way rigid locking is achieved. The gas spring provided by the utility model can be rigidly locked in two directions of stretching and compression (both the compression direction and the stretching direction are in an oil pressure state), is applied to a steering wheel adjusting column to adjust the working angle of a steering wheel, and can realize that the steering wheel is rigidly locked without obvious movement when the working angle is pulled and pressed.

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 invention relates to a fluid control module, an air suspension system and a vehicle, the fluid control module comprises a module body, the module body is provided with an inlet, a first opening, a second opening and at least one channel, the first opening is suitable for being connected with first equipment using fluid, and the inlet is connected with the first opening through the channel; the inlet is connected with the second opening through a channel, the second opening is connected with the first opening through a channel, and the second opening is suitable for being connected with a fluid recovery device so that the fluid recovery device can recover fluid from the first device. The fluid control module is designed in an integrated mode, inflation, exhaust and gas recovery of the air suspension system can be achieved without a plurality of structures such as an air inlet valve, an air return valve and an exhaust valve, an air path of the air suspension system can be shortened, the number of parts is reduced, the structure of the air suspension system is simplified, and the compactness and the integration degree of the air suspension system are improved. Space occupied by the air suspension system is saved, and the space utilization rate of a vehicle is improved.

The invention discloses a variable-rigidity shock absorber for a new energy automobile, and belongs to the technical field of shock absorbers, the variable-rigidity shock absorber comprises a shock absorber main body and a piston rod arranged on the shock absorber main body, the piston rod is sleeved with a shock absorber spring, and the piston rod is in threaded connection with a nut plate; according to the variable-rigidity shock absorber for the new energy automobile, the lower portion of the shock absorber body moves upwards to compress a shock absorber spring, an air cylinder is driven to move upwards in cooperation with a mounting plate, a connecting rod pushes a piston plate to slide towards the interior of the air cylinder, and air in the air cylinder is compressed and extruded out of a rubber air outlet pipe; the shock absorber body is extruded out through the gas in the shock absorber spring and the gas cylinder, common shock absorption is achieved, and even if a vehicle suddenly drives into a bumpy road surface from a flat road surface, the preset rigidity of the shock absorber spring can not adapt to new shock conditions in time, the gas in the gas cylinder can be automatically compressed and extruded out, and shock absorption is achieved. And the damping effect and the driving comfort are improved.

The present invention discloses a nitrogen spring with controllable delayed rebound, comprising: a cylinder, a dust cover, a pressure sensing structure, a contact ring assembly, a piston structure, an airflow circuit assembly, and a controller assembly; an upper partition is provided inside the cylinder; the pressure sensing structure comprises a piezoelectric sheet, a positive conductive sheet, a negative conductive sheet, and an insulating gasket; the contact ring is provided on the upper part of the cylinder; the airflow circuit assembly is provided on the outside of the cylinder, the connecting pipe 1 and the connecting pipe 2 are respectively connected to the airflow circuit assembly, and the airflow circuit assembly comprises a shell and an airflow regulating structure; the controller assembly is provided on the outside of the cylinder, the controller assembly is connected to the pressure sensing structure and the airflow circuit assembly; an L-shaped control air groove is provided on the side of the upper partition away from the air guide groove 1, one end of the L-shaped control air groove passes through the cylinder and is internally threaded with a sealing column. The present invention has a simple structure and can achieve controllable delayed rebound.

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 present invention provides a press-fitting tooling, a method and an air spring for an air spring support positioning ring. The press-fitting tooling includes an upper die and a lower die. Among them, a first die cavity is arranged inside the upper die, and a first relief groove is arranged at the end of the first die cavity. The lower die includes a lower die base, an expansion bladder and an expansion die. A second die cavity is arranged inside the lower die base, and a second relief groove is arranged at the end of the second die cavity. The first relief groove and the second relief groove are buckled with each other, and a positioning step is arranged inside the second die cavity. The expansion bladder is arranged inside the second die cavity. The expansion die is arranged inside the second die cavity and is formed by enclosing a plurality of expansion petals. A protrusion is arranged on the circumference of the expansion petal, and the inner surface of the expansion petal is a conical surface. When an external force is applied to the conical surface, the expansion petal can move outward. The present invention is used to solve the problem of difficult assembly of the support positioning ring caused by the existing process.

The air spring strut assembly comprises a shock absorber, a plane bearing, an upper antifriction ring, a lower antifriction ring, an air seal and a locking nut, the plane bearing is arranged between the top face of a cylinder body of the shock absorber and a fluctuating piston on the air spring, the upper antifriction ring is arranged between the side face of the top of the cylinder body of the shock absorber and the fluctuating piston on the air spring, and the lower antifriction ring is arranged between the side face of the top of the cylinder body of the shock absorber and the fluctuating piston on the air spring. A lower antifriction ring is arranged between the bottom of a fluctuating piston on the air spring and the side face of the cylinder body, and an air seal is arranged between a piston rod of the shock absorber and the fluctuating piston on the air spring and locked through a locking nut. The invention has the advantages that under the action of the plane bearing, the upper antifriction ring and the lower antifriction ring, the cylinder body of the shock absorber can rotate on the fluctuating piston and compensate the torsion, so that the torsion applied to the fluctuating piston by the cylinder body is greatly reduced, the torsion to the bag skin is reduced, the impact abnormal sound of the bag skin is reduced, and the service life of the bag skin is prolonged. And abnormal stress of the leather bag can be reduced, and the service life of the air spring is prolonged.

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.

The invention discloses an air spring with the transverse and vertical rigidity ratio larger than 1, which comprises a bag skin, an upper cover and a piston which form a closed cavity, the closed cavity is filled with gas with set pressure so as to enable the bag skin to expand, the periphery of the upper cover is connected with an outer sleeve part, and the outer sleeve part extends vertically and wraps the outer side wall part of the bag skin. The air spring is provided with the outer sleeve part, the air spring generates transverse rigidity through interaction force between the outer sleeve part and the expansion bag skin, the transverse rigidity of the air spring can be adjusted by adjusting the vertical height of the outer sleeve part, and then the transverse and vertical rigidity ratio of the air spring is larger than 1; the transverse stroke and the vertical stroke of the air spring are both large, rigidity sudden change does not exist in the operation process, and the overall stability is good. The air spring is simple in overall structure and low in production cost, the fatigue life of the bag skin of the air spring can be prolonged by optimizing the shape of the outer sleeve piece, and the reliability is improved.

The invention relates to a piston for an air spring of a motor vehicle, an air spring and a motor vehicle. The piston includes: a center rod; the shell comprises a top support, a bottom support and an outer frame, the top support is fixedly installed at the first end of the center rod, the bottom support is fixedly installed at the second end, opposite to the first end, of the center rod, the outer frame is connected between the top support and the bottom support around the center rod, and the outer frame is elastically deformable; the contour shape of the outer frame is changed, so that the rigidity curve of the air spring is changed.

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.

An air spring support, an air spring, and a vehicle. The air spring support comprises an upper air chamber assembly and a top rubber assembly. The upper air chamber assembly is provided with a first accommodating cavity. The top rubber assembly comprises an elastic body, the elastic body is provided with a first flange, and the elastic body comprises a first cavity and a second cavity which are separated by means of the first flange. The first flange is provided with at least one recess. The top rubber assembly is arranged in the first accommodating cavity, the first flange is attached to the bottom wall of the first accommodating cavity, and the first cavity is in communication with the second cavity via the recess.

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.