34results about How to "Short driving stroke" patented technology

The invention discloses an enveloping under-actuated robot gripper. The enveloping under-actuated robot gripper can solve the problems that an existing mechanical robot gripper has large movement stroke, a complex mechanism, and large number of parts. The enveloping under-actuated robot gripper comprises a driving motor, a base, a driving seat, a driving pad, a connecting key for a motor and a movable base, four claw plates, four connecting rod kinematic chains for connecting the claw plates and the driving seat, a driving seat connecting rod, a bearing connecting rod, and a clamping jaw connecting rod, wherein the driving seat and the driving pad are fixedly connected to the driving motor to form a first-level fixing mechanism; and the moving base and the four claw plates are connected toform a second-level moving mechanism. When the gripper works, the rotation movement of the driving motor is transferred to the second-level moving mechanism through the connecting key to realize theenveloping and unfolding of the moving gripper. The connecting rod kinematic chains use the direction change of the rotation axis to ensure that the distance between two levels of platforms remains unchanged, and can convert 6 degrees of freedom into 1 degree of freedom. The enveloping under-actuated robot gripper has a simple and reliable structure, clever configuration, and few driving sources,and is suitable for application scenarios such as grabbing and picking of fruits and vegetables.

The invention provides a built-in automatic presser foot lifting mechanism of a sewing machine. The built-in automatic presser foot lifting mechanism comprises a driving source, a first lever, a first transmission shaft, a draw bar, a second lever, a second transmission shaft, a presser foot arm, a presser foot, a sewing machine main shell, a rear housing and a side housing. The sewing machine main shell comprises a base shell and an upright column shell above the base shell; the driving source is arranged in a sunken portion on the rear wall of the base shell; the first transmission shaft and the second transmission shaft are horizontally arranged, are parallel to each other and are rotatably supported on the side walls of the upright column shell; a telescopic shaft of the driving source can drive the first transmission shaft via the first lever so that the first transmission shaft can rotate; a first lever arm of the first transmission shaft can drive the second lever via the draw bar so that the second transmission shaft which is fixed to the second lever can rotate, and the presser foot arm is perpendicularly hinged to the second transmission shaft and the presser foot; the rear housing is arranged on the outer side of the sunken portion, the side housing is arranged on the outer side of the second transmission shaft and the outer side of the second lever, and both the rear housing and the side housing are fixed to the sewing machine main shell. The built-in automatic presser foot lifting mechanism has the advantages of compact structure, attractive appearance of the sewing machine and convenience in packaging and transportation.

The invention discloses a self-adapting bending hand claw and capturing equipment. The self-adapting bending hand claw comprises a first component and a second component, wherein the first component comprises two first elements connected by a first rotation pair, the second component comprises two second elements connected by a second rotation pair, the second component is located at the extendingdownstream of the first rotation pair, the first elements and the second elements are correspondingly and rotatably connected, the first component is provided with a first end portion away from the second component on the first rotation pair, the second component is provided with a second end portion away from the first component on the first rotation pair, the distance between the first end portion and the second end portion decreases as a face inclined angle theta1 between the two first elements increases, and when the face inclined angle theta1 is not 0, the face inclined angle theta1 is larger than or less than a face inclined angle theta2 between the two second elements. The technical scheme of the self-adapting bending hand claw can self-adaptively capture objects with low cost in amanner of reducing the driving stroke.

The invention relates to the technical field of feeding transmission systems and discloses a DD motor nut rotary feeding device which solves the technical problem that due to shaking of a current fixing screw rod, transmission precision is low. The DD motor nut rotary feeding device comprises a track structure, a feeding table structure and a fixing screw rod. The feeding table structure is installed on the track structure in a sliding manner. The two ends of the fixing screw rod are fixed to the two ends of the track structure correspondingly. The fixing screw rod does not rotate. The fixingscrew rod is provided with a drive structure used for driving the feeding table structure to move in a sleeved manner. The drive structure comprises a drive part for providing torque, and a nut-like part rotating forward or reversely under driving of the drive part. The nut-like part is in thread fitting with the fixing screw rod. The drive part and the feeding table structure are mutually fixed.According to the technical scheme, the fixing screw rod is arranged not to rotate, the drive part drives the nut-like part to rotate on the fixing screw rod, the drive part and the feeding table structure are driven to move on the track structure synchronously, the problem of long shaking is avoided, and thus the purpose of improving the transmission precision is achieved.

The invention discloses a lock cylinder driving device, which comprises a micro-motor, a pendant, a bracket, and a drive output shaft. The swing of the ornament drives the bracket and drives the output shaft to move. The present invention has simple structure, convenient backup, and it is easy to form multiple sets of independent backup components without increasing the volume; the failure rate of locks using this mechanism is greatly reduced, and the reliability is greatly improved, so that the lock core of the present invention can be directly integrated into car doors and households. Anti-theft doors, safes, etc., are directly compatible with various electronic control systems, and the application is simple and has a wide range of applications.

The invention discloses an automatic transfer switch, comprising: a first switch module and a second switch module, respectively including first and second breaking units, first and second drivers, and first and second switching mechanisms, the first or second The second driver urges the first or second breaking unit to connect and disconnect the load with the first power supply or with the second power supply via the first or second switch mechanism; wherein, the first breaking unit and the second power supply The two breaking units are stacked along the thickness direction of the automatic transfer switch, and also include a coupling mechanism, which is arranged on the side of the stacked first breaking unit and the second breaking unit, for connecting the first switching mechanism and the second switching mechanism to each other connection, so that before one of the first or second breaking unit connects the load to the corresponding power source, the other of the first or second breaking unit disconnects the load from another power source. The invention inherits the original performance advantages of the parts of the switch module, and also has the advantages of small size, compact structure, high reliability, short development cycle and the like.

The invention discloses an automobile elbow core-pulling mechanism, which includes a product and a lower template, the product is located on the lower template, an arc-shaped groove is arranged inside the product, and an annular protrusion is arranged at the front end of the product. A circular groove is arranged inside the annular protrusion, the diameter of the circular groove is greater than the diameter of the arc groove and the circular groove communicates with the arc groove, and the circular groove for forming is provided in the described circular groove. The first core insert on the inner wall, the arc groove is provided with a second insert core for forming the inner wall of the arc groove, it also includes the first linear core pull for the circular groove core pull mechanism and the second arc core-pulling mechanism for core-pulling the arc groove, the first core insert and the second insert core are connected together, and the second arc core-pulling mechanism is located under On the formwork, the invention provides an automobile bent pipe core-pulling mechanism that is not easy to damage the product and has high reliability.

The invention provides an automatic presser foot lifting mechanism for a sewing machine. The automatic presser foot lifting mechanism comprises a drive source, a first lever, a first transmission shaft, a pull rod, a second lever, a second transmission shaft, a presser foot arm and a presser foot. The drive source comprises a telescoping shaft. One end of the first lever is vertically hinged to the first transmission shaft. A transmission boss is disposed between the first lever and the first transmission shaft. The other end of the first lever is movably connected with the upper end of the telescoping shaft. The second lever is vertically fixed with the second transmission shaft. The first transmission shaft and the second transmission shaft are horizontally disposed and parallel with each other. Two ends of the presser foot arm are respectively vertically hinged to the presser foot and the second transmission shaft. The swing direction, relative to the presser foot arm, of the presser foot is vertical to the swing direction, relative to the second transmission shaft, of the presser foot arm. The first transmission shaft is provided with a lever arm which is vertical to the axial direction of the first transmission shaft. The lever arm is connected with the second lever through the pull rod. The lever arm and the second lever are located on the same side of the pull rod. The automatic presser foot lifting mechanism has the advantages that force conversion between the first lever and the second lever is achieved on the same direction, the drive source is short in travel and compact and stable in structure, and low production cost is achieved.

The invention discloses an electromagnetic drive liquid atomization device, which comprises an atomization core (2) and an electromagnetic driving unit (31), wherein the atomization core (2) comprisesa liquid storage bin (21) and an electric heating element (22), the electric heating element (22) is arranged at the upper portion of a liquid drop release hole (2121) so as to make the surface (221)of the electric heating element be opposite to the liquid drop release hole (2121) and keep a certain distance between the surface (221) and the liquid drop release hole (2121), and the electromagnetic driving unit (31) is arranged at the bottom of the atomization core (2). According to the invention, the electromagnetic drive liquid atomization device is small in size, liquid supply is quantitative, small-size liquid atomization is achieved, the droplet forming process and the liquid level form are controllable, and the liquid leakage problem is avoided.

The invention discloses an emergency release device for a low-temperature fluid loading and unloading arm. The upper valve core of the upper valve body of the self-sealing valve and the lower valve core of the lower valve body of the self-sealing valve are arranged on top of each other. The clamping force of the valve body and the lower valve body of the self-sealing valve disappears, and the emergency disengagement device starts to disengage under the force of the lower valve body of the self-sealing valve. During the disengagement process, the valve core gradually closes the valve port under the action of the return spring and the fluid medium , can effectively guarantee the sealing performance after separation, and its structure is compact and light in weight; the structure of the upper valve body of the self-sealing valve and the lower valve body of the self-sealing valve is fixed by a clamp assembly, which can ensure a small driving force and a short driving stroke; The integration of three inclined planes can ensure the correct separation logic and reliable action; by reducing the overall weight of the emergency release device and setting process threaded holes in the valve body, the workload of self-recovery after the emergency release device is disengaged is reduced.

An optical switch comprising two layers of input-side optical fibers and backup optical fibers arranged side by side and output-side optical fibers arranged side by side, and a fixed prism (14) arranged facing their end faces. On one side slope of the fixed prism (14), a prism (15b) for the preparation fiber is arranged opposite to the preparation fiber (20), so that the drive prism (15a) can be contacted and separated from the side slope of the fixed prism (14). The driving prism (15a) can move along the input side optical fiber. When the driving prism (15a) is in contact with the position on the slope of the fixed prism (14), the outgoing light from the input-side optical fiber is not totally reflected by the slope of the fixed prism (14) and enters into the driving prism (15a), and is transmitted from the driving prism (15a). After the prism (15a) is sent out to the prism (15b) for the preliminary fiber, it enters the preliminary fiber (20) from the prism (15b) for the preliminary fiber. With this optical switch, the insertion loss can be reduced, and the stroke of the driving part can also be shortened.

The invention discloses an optical filter switcher, a camera module and a terminal device, the optical filter switcher comprises a base, an optical filter assembly, a swing arm rod and an actuating assembly, the optical filter assembly comprises an optical filter support, a first optical filter and a second optical filter, a second rotating part of the optical filter support is rotatably connected with a first rotating part of the base, and the first rotating part of the base is rotatably connected with a second rotating part of the swing arm rod. The first optical filter and the second optical filter are arranged on the optical filter support, the connecting part of the optical filter support is closer to the second rotating part than the first optical filter and the second optical filter, one end of the swing arm rod is connected with the connecting part, the actuating assembly is connected with one end of the swing arm rod, and the actuating assembly drives the swing arm rod to move so as to drive the optical filter support to rotate around the first rotating part. Therefore, the optical filter assembly is switched between the state that the first optical filter is arranged corresponding to the first light through hole and the state that the second optical filter is arranged corresponding to the first light through hole. By adopting the scheme, the overall size of the optical filter switcher is smaller, and the miniaturization design is realized.

The invention provides a double-channel guide plate switching platform for strip steel. The double-channel guide plate switching platform comprises a platform and is characterized in that the frame is provided with a switching guide plate, an electromagnetic conveying belt and a strip steel turning roller set; the switching guide plate is arranged along the horizontal direction of an operation line of a set; the electromagnetic conveying belt is arranged behind the switching guide plate; the strip steel turning roller set is arranged at two ends of the frame; the strip steel turning roll set comprises upper pressing rollers and turning rollers; and an included angle between a connecting line of the axes of the upper pressing roller and the turning roller and a horizontal direction is 60 DEG. The double-channel guide plate switching platform has advantages of simple structure and high action speed. Furthermore the double-channel guide plate switching platform can automatically realize strip steel switching between two channels and furthermore effectively prevents production accidents caused by strip steel stacking in switching the strip steel.

The present invention provides a sliding table structure, which at least includes a base, a motor and a sliding seat, wherein, the sliding table uses a base and a motor to achieve the sliding displacement of the sliding seat, so as to achieve the application of automatic operation, and the base The seat presets a housing space for the installation of the motor. The depth of the housing space is greater than the axial length of the motor, and can be used as the retraction stroke of the screw, so that the structure of the slide table can not only save the assembly space of the coupling, but also has It helps to reduce the volume of the structure, and at the same time shortens the driving stroke of the slide table, greatly improves the stability of the structure, can be applied to more sophisticated operating equipment, and increases the practicability of the structure.

The invention provides a built-in automatic presser foot lifting mechanism of a sewing machine. The built-in automatic presser foot lifting mechanism comprises a driving source, a first lever, a first transmission shaft, a draw bar, a second lever, a second transmission shaft, a presser foot arm, a presser foot, a sewing machine main shell, a rear housing and a side housing. The sewing machine main shell comprises a base shell and an upright column shell above the base shell; the driving source is arranged in a sunken portion on the rear wall of the base shell; the first transmission shaft and the second transmission shaft are horizontally arranged, are parallel to each other and are rotatably supported on the side walls of the upright column shell; a telescopic shaft of the driving source can drive the first transmission shaft via the first lever so that the first transmission shaft can rotate; a first lever arm of the first transmission shaft can drive the second lever via the draw bar so that the second transmission shaft which is fixed to the second lever can rotate, and the presser foot arm is perpendicularly hinged to the second transmission shaft and the presser foot; the rear housing is arranged on the outer side of the sunken portion, the side housing is arranged on the outer side of the second transmission shaft and the outer side of the second lever, and both the rear housing and the side housing are fixed to the sewing machine main shell. The built-in automatic presser foot lifting mechanism has the advantages of compact structure, attractive appearance of the sewing machine and convenience in packaging and transportation.

An in-situ environment double-inclined sample rod of a transmission electron microscope provided by the invention mainly comprises a holding handle, a sample rod body, a sample rod head and a sample bottle configured to holding a sample.

The invention relates to a self-adjusted wire crimper. The self-adjusted wire crimper comprises a crimper head and a driving mechanism. The crimper head comprises a plurality of pressing teeth, a gear ring, a rotating plate and supporting plates. The pressing teeth are evenly arranged in the gear ring. The rotating plate is arranged two sides of the pressing teeth and two sides of the gear ring. The pressing teeth are in linkage matching with the rotating plate and the gear ring at the same time. A leaf spring is integrally formed on the rotating plate. The two supporting plates are correspondingly connected to the driving mechanism. The rotating plate is connected to the inner side of each supporting plate to form rotating matching. Both the leaf spring and the gear ring are in linkage with the driving mechanism. Because the rotating plate and the leaf spring are integrally formed, when different diameters of terminals are connected in a pressed mode, elastic deformation of the leaf spring is generated so that the pressing connection motion can be completed, and the self-adaption purpose is achieved; furthermore, because the rotating plate and the gear ring are arranged in the supporting plates and are in linkage with the driving mechanism, the rotating radian of a single component is reduced through the relative motion of the rotating plate and the gear ring, and the driving travel of the driving mechanism is reduced.

This invention discloses a lock pin structure, which comprises the first movable part (1), the second movable part (2), shell (3), clutch mechanism and resetting-mechanism (4); wherein the first movable part and the second movable part are set inside the shell, and by the clutch mechanism, it produces the locking or hands-off relationship between the first movable part, the second movable part and the shell; the resetting-mechanism makes the first movable part and the second movable part restoring to the initial condition. Said structure is convenient to back-up, and can form several independent back-up component without increasing voltage; besides, the invention can be used directly in the car door and safety deposit box, compatible with kinds of electrical controlling system.

A piezoelectric driving double-shaft tilt sample rod for a transmission electron microscope provided by the invention mainly comprises a holding handle, a sample rod body, a sample rod head and a sample bottle configured to holding a sample. The sample bottle is fixed with a [Beta] shaft, the [Beta] shaft is rotatably connected with the sample rod head; the sample rod head is provided with a driving piece configured to drive the [Beta] shaft to rotate step by step, the driving piece is tightly contacted with the [Beta] shaft, and when the driving piece is moved from a first position to a second position, the [Beta] shaft steps into an angle stroke [Theta]'; when the driving piece is reset from the second position to the first position, the [Beta] shaft is fixed; and the driving piece is moved from the first position to the second position and reset from the second position to the first position to form a movement period, the rotation angle of the [Beta] shaft is equal to N*[Theta]', wherein N is the number of the movement period. According to the invention, the size of a device configured to drive the sample rod to rotate around the [Beta] shaft is small, and the inclination angle can exceed 30 degrees.

The invention discloses an adaptive bending claw and a capture device. The self-adaptive bending gripper includes a first assembly and a second assembly, the first assembly includes two first elements connected by a first rotation pair; the second assembly includes two second elements connected by a second rotation pair element; the second assembly is located downstream of the extension of the first rotating pair, and the first element and the second element are correspondingly connected in rotation; the first assembly has The first end portion of the second assembly has a second end portion away from the first assembly on the first rotating pair; the distance between the first end portion and the second end portion varies with the two first end portions The surface angle θ of a component 1 increases and decreases; when the surface angle θ 1 When not 0, the surface angle θ 1 greater than or less than the angle θ between the surfaces of the two second elements 2 . The self-adaptive curved gripper of the technical solution of the present invention can self-adaptively capture objects with low cost and reduced driving stroke.