17results about How to "Compact installation space" patented technology

The invention provides a straight pipe pressure balance expansion joint for space limitation, which comprises a working wave assembly, a first balance wave assembly, a second balance wave assembly and a pull rod assembly, one end of the working wave assembly is connected with an inlet pipe, the other end of the working wave assembly is connected with one end of the first balance wave assembly through an outlet pipe, and the other end of the second balance wave assembly is connected with the pull rod assembly. The other end of the first balance wave assembly is connected with the pull rod assembly, the second balance wave assembly is sleeved with the first balance wave assembly, one end of the second balance wave assembly is connected with the outlet pipe, the other end of the second balance wave assembly is connected with the third connecting pipe, and one end of the pull rod assembly is connected to the inlet pipe. The other end of the pull rod assembly is connected to the third connecting pipe, a through hole is formed in the outlet pipe, and the through hole enables a working medium to enter a cavity formed by the first balance wave assembly and the second balance wave assembly. According to the expansion joint, large axial displacement and transverse displacement can be compensated, and the structure is more compact.

This invention discloses a waterproof high-voltage distribution box with rapid maintenance capability, relating to the field of high-voltage power distribution equipment. This invention solves the problems of poor space adaptability, inconvenient maintenance, and insufficient protection level of existing high-voltage distribution boxes. The box has a top window and a rear maintenance window, with recessed bosses at the windows. The cover plate has bent edges, and a silicone foam sealing gasket is placed between the two, secured with combination screws. The interior of the box is divided into upper and lower layers by a middle mounting plate, with positive and negative components mounted on the middle and bottom mounting plates respectively. Vulnerable fuses are concentrated at the maintenance windows, and a vent valve is installed on the outer wall of the box. This distribution box is suitable for compact spaces, has good waterproof sealing, and allows for rapid replacement of vulnerable parts, improving electrical safety and making it suitable for power distribution scenarios of new energy equipment.

The utility model discloses a kind of real-time speed measurement motor with anti-suction function, including motor assembly and rear cover, rear cover is connected with anti-suction check valve and rotational speed sensor;The shell of the motor assembly is equipped with oil inlet A and oil return B, and the shell of the rear cover assembly is equipped with oil inlet A and oil return B.The utility model adopts integrated arrangement hydraulic element, installation space is compact, utilizes motor internal oil cavity to reduce pipeline connection, and it is easy to operate.

The utility model discloses a small color code sheet inductance, include: pin, shell, numerical color code sheet, coil, error color code sheet, two place pin is located at shell both ends, and two place pin inboard end goes into shell inboard connection coil both ends, and numerical color code sheet and error color code sheet are located at shell upside, and error color code sheet is located at numerical color code sheet right side, the utility model discloses with color code sheet replaces color ring inductance color ring, and color code mark is clearer, and the clear, and color code sheet can also act as the fin effective improvement heat dissipation, and the lead tin alloy plating of shell can block electromagnetic radiation, and reduce the magnetic leakage, thereby can improve small inductance power, and promote small inductance miniaturization.

The utility model discloses a water tank and a beverage device, the beverage device is provided with a water tank installation position, and the water tank is detachably arranged in the water tank installation position. The water tank comprises a tank body, the tank body is provided with a cavity used for containing liquid, and a groove is formed in the outer side of the tank body; the handle is movably arranged on the box body and located on the outer side of the cavity, and the handle can be switched between a hidden position and a lifting position; when the handle is located at the hidden position, at least part of the handle is contained in the groove. When the handle is located at the lifting position, at least part of the handle is exposed out of the groove so that a user can grasp the handle. The water tank cover can prevent a user from being scratched by the water tank cover or polluting the water tank.

The gear motor comprises a valve block and a motor assembly which are connected with each other, the valve block is connected with an electromagnetic proportional overflow valve, a two-position four-way electromagnetic directional valve and an air suction prevention one-way overflow valve, and an oil return opening T, an oil inlet opening P and an oil drainage opening Dr are formed in the valve block. Hydraulic elements are arranged in an integrated mode, the installation space is compact, pipeline connection is reduced through an oil cavity in the motor, and operation is convenient.

The utility model discloses a top drive rotating head driving locking mechanism, belongs to the technical field of petroleum drilling and production equipment, and solves the problems that a top drive rotating head locking mechanism and a driving mechanism in the prior art are two sets of independent mechanisms, so that the number of hydraulic systems is large, and the occupied space is large. The bottom end of the box body is connected with a rotating head, a worm wheel is installed on the rotating head, one side of the box body is connected with a worm support, the bottom end of the worm support is connected with a worm, the worm is connected with the worm wheel in a matched mode, one end of the worm is connected with a hydraulic motor, and the hydraulic motor is fixedly connected with the worm support. The hydraulic locking device is used in a top drive device for oil drilling and production, has the characteristic that a drive rotating mechanism and a locking mechanism are integrated, and can be driven only by adopting a set of hydraulic system.

The invention discloses a rotating speed controllable motor with an electromagnetic valve. The rotating speed controllable motor comprises a motor assembly, an oil inlet A, an oil return B, a rear cover, a two-position two-way electromagnetic valve, a throttling plug, a one-way overflow valve and an oil drainage L; the rear cover is connected with the two-position two-way electromagnetic valve, the throttling plug and the one-way overflow valve; a shell of the motor assembly is provided with an oil inlet A and an oil return port B; an oil drainage L opening is formed in the rear cover. Hydraulic elements are arranged in an integrated mode, the installation space is compact, pipeline connection is reduced through an oil cavity in the motor, and operation is convenient.

The invention relates to an electric motor (10) for an electrically operable axle of an electric vehicle, the motor comprising: a shaft (12) with an axis of rotation (D), at least one bearing (14), wherein the shaft is rotatably mounted via the at least one bearing, at least one end shield (16), at least one bearing ring (18), the at least one bearing ring being arranged coaxially with the axis of rotation (D), the at least one bearing being connected to the end shield via the bearing ring, and the bearing ring having on the outside at least one longitudinal recess (20a, 20b) for fluid drainage. The invention also relates to an electrically operable axle with an electric motor for a motor vehicle. A reliable operating, cost-effective, simple and modularly compatible electric motor is thus provided.

The utility model discloses a double-lead-screw elevator which comprises a machine body, a worm wheel shaft and a first transmission lead screw, the worm wheel shaft is installed in the machine body, and a worm input shaft matched with the worm wheel shaft is installed on the machine body; the top of the machine body is provided with a first fixing nut matched with the first transmission lead screw, the first transmission lead screw penetrates through the machine body and the worm wheel shaft, the first transmission lead screw is a hollow rod, the top of the first transmission lead screw is provided with a second fixing nut, and the second fixing nut is provided with a second transmission lead screw; and one end of the second transmission screw rod extends into the hollow structure of the first transmission screw rod. According to the utility model, when the worm gear rotates in the positive and negative directions, the first transmission screw rod is meshed with the first fixing nut and slides up and down along the key groove direction, and the second transmission screw rod is meshed with the second fixing nut fixed on the first transmission screw rod to ascend while the first transmission screw rod lifts the stroke; and the occasions with larger stroke requirements and relatively compact mounting space are met.

This invention discloses a large compression ratio hexagonal prism elastic telescopic mechanism with a stable structure, comprising two end three-ring telescopic mechanisms and several series-connected hexagonal prism three-ring retraction mechanisms. The two ends of the series-connected hexagonal prism three-ring telescopic mechanisms are connected to the end three-ring telescopic mechanisms. Each end three-ring telescopic mechanism includes a central disc, a type I connecting rod, a wing-shaped joint, a type II connecting rod, a spring, a Y-shaped joint, and a tension spring. The end three-ring telescopic mechanisms are located at both ends of the series-connected hexagonal prism three-ring telescopic mechanisms, while the hexagonal prism telescopic mechanisms are located in the middle section. The number of end three-ring retraction mechanisms can be configured according to requirements. The end three-ring retraction mechanisms share the spring, Y-shaped joint, and tension spring with the hexagonal prism three-ring telescopic mechanisms. This invention features a simple structure, a large expansion ratio, structural stability, and freely designable telescopic stiffness. It can be applied to various fields with compact installation spaces and requirements for large stroke and variable stiffness buffering.

The present invention discloses a guide assembly and a column lifting guide mechanism, comprising: a guide rail seat; a pin shaft, one end of which is connected to the guide rail seat; a lateral sliding pad, which is connected to the other end of the pin shaft, and the surface of the lateral sliding pad opposite to the pin shaft constitutes a sliding mating surface; a rubber-coated bearing, the rubber-coated bearing jacket is connected to the pin shaft, the rubber-coated bearing is located between the guide rail seat and the lateral sliding pad, and the outer ring is spaced apart from the guide rail seat and the lateral sliding pad. The guide assembly according to the embodiment of the present invention can reduce the assembly cost and increase the service life of the guide assembly.

This utility model discloses an elliptical rubber bushing, including an outer bushing tube and an inner bushing tube arranged coaxially. The outer bushing tube is composed of a straight part and a semi-circular part forming an elliptical structure. An integral rubber main spring is vulcanized in the gap between the inner wall of the outer bushing tube and the outer wall of the inner bushing tube. An integral rubber strap is vulcanized on the outer surface of the outer bushing tube. Through a high-temperature vulcanization process, the outer bushing tube, the inner bushing tube, the rubber main spring, and the rubber strap are vulcanized into one piece to form an elliptical rubber bushing. Utilizing its asymmetrical structure, it provides differentiated stiffness in different directions. The higher stiffness in the longitudinal direction ensures support stability, while the larger elastic deformation space in the lateral direction can effectively absorb vibration, achieving independent control of multi-directional stiffness and adapting to compact installation spaces. This solves the technical problems of existing circular bushings having a limited range of adjustable stiffness in a specific direction, making it difficult to meet the dynamic performance requirements under complex working conditions and the limited space in some installation scenarios.

The utility model relates to the technical field of automobile air suspensions, and discloses an air suspension system and a vehicle, which comprise a mechanical module and an electronic central control module. The mechanical module comprises a valve body, an air path, an air supply unit, a pressure sensor and a drying chamber assembly, the air supply unit is connected with the valve body through the air path, and the valve body is provided with various valves and is connected with the filtering chamber assembly. The electronic central control module comprises a central control upper cover, a central control base, a central control PCBA circuit board and a switching electromagnetic valve coil. An electromagnetic valve driving circuit on the circuit board is used for controlling opening and closing of an electromagnetic valve. Air compressed and filtered by the air supply unit enters the valve body through the drying cavity assembly, and then the switching electromagnetic valve set is controlled by the electronic central control module to conduct air supply switching. The system is further provided with an inflation pump, an inflation motor, a plurality of sets of switching electromagnetic valves and an air electromagnetic valve which are used for controlling air supply and air exhaust of different air paths. According to the system, efficient and safe operation of the air suspension is achieved through air path design and electronic control.

The invention provides a packaging structure of a power semiconductor module, which relates to the technical field of semiconductor packaging and comprises a shell, a direct copper-clad ceramic substrate is fixed on the inner wall of the bottom of the shell, and a power semiconductor chip, a signal terminal and a power terminal are welded on the direct copper-clad ceramic substrate; insulating baffles are arranged at the connecting positions of the side faces of the shell, and / or insulating parts are arranged on the outer walls of the two sides of the shell in the width direction respectively. The beneficial effects are that on the premise of being compatible with the original installation environment, the electrical safety and the installation convenience are synchronously improved.

The unfolding structure comprises an unfolding assembly, the unfolding assembly comprises a pushing module, a frame body and two sliding blocks, the frame body is further provided with a supporting part, a sliding groove formed in the frame body is perpendicular to a first strip-shaped groove formed in the supporting part, the two sliding blocks are symmetrically arranged in the sliding groove, the sliding blocks are further provided with connecting parts, and the pushing module is connected with the pushing module. The connecting part penetrates through a second strip-shaped groove formed in the frame body and then is rotationally connected with a transmission rod, the end, away from the connecting part, of the transmission rod is rotationally connected with the sliding piece, a third strip-shaped groove is formed in the frame body, and the propelling module is fixedly connected with any sliding block after passing through the third strip-shaped groove of the synchronous connecting piece. The two clamps can be synchronously controlled, the structure is optimized, the requirement for a lifting module is reduced, the installation space of the installation frame is prevented from being too compact, installation is convenient, meanwhile, the manufacturing cost is reduced, synchronous clamping of the two clamps can be achieved, and the situation that the clamping effect is affected due to delayed clamping is avoided.

The application relates to the powder filling technical field, and particularly discloses a packaging metering and discharging device, which comprises a material bin, a metering motor, a metering screw rod, stirring fan blades arranged in the material bin, a stirring motor arranged above the material bin, a vertical downward discharge port arranged at the bottom of the material bin, and the metering screw rod is vertically arranged in the discharge port. The technical problem that the powder quantity fluctuates and the metering is not accurate enough is solved by arranging the stirrer in the material bin to enhance the flowability of the oily powder and pressurize the metering screw rod to feed the material.