37results about How to "Good guide function" patented technology

The invention relates to the technical field of constructional engineering and bridge engineering shock isolation, in particular to a novel three-dimensional shock isolation device with large vertical static rigidity. The novel three-dimensional shock isolation device comprises a horizontal shock isolating component, a transition steel structure platform and a vertical shock isolating component. The horizontal shock isolating component and the vertical shock isolating component are arranged at the top and bottom of the transition steel structure platform respectively. A vertical damping element and a vertical static support are further included and both arranged at the bottom of the transition steel structure platform, and are parallel to the vertical shock isolating component. The device can achieve the shock isolating function both in the horizontal direction and in the vertical direction, horizontal shock isolation and vertical shock isolation are decoupled and do not implicate each other, and high safety is achieved. The vertical damping component can further relieve the vertical geological process through energy dissipation, the vertical static support can provide large vertical static compression resistance rigidity, meanwhile, certain tensile strength can be provided during a vertical earthquake, the safety of the upper structure is guaranteed, manufacturing is easy and convenient, and construction, mounting and maintenance are convenient.

A guiding function of an annular contact upon mating / removal with / from an opposing connector can be maintained well with a simple configuration. An annular contact is formed with an unruptured annular member having no ruptured part in a circumferential direction and continued in the circumferential direction. As a result, compared with a conventional annular contact having ruptured parts in the circumferential direction, rigidity is increased while maintaining necessary elasticity; and, for example even when an opposing connector is mated or removed in a direction inclined in an axial direction with respect to the axial direction of the annular shape, conventional twisting deformation is suppressed in the annular contact, and the opposing connector is stably guided along the axial direction of the annular shape, thereby well maintaining a mating guiding function of the annular contact.

The present invention relates to a hydraulic auto-tensioner, in particular for a chain drive of an internal combustion engine, comprising a housing, a tensioning plunger guided in a plunger bore of said housing, a free piston guided in said plunger bore, and a plunger rod formed on said tensioning plunger and extending through the free piston. The tensioning plunger, the housing and the free piston delimit a hydraulic reservoir which is sealed with respect to the housing and the plunger rod by means of a sealing unit that is arranged on the free piston. The sealing unit is implemented as a double seal ring with an outer sealing surface which is in sliding contact with the plunger bore of the housing, and an inner sealing surface which is in sliding contact with the plunger rod of the tensioning plunger. In addition, the present invention relates to the use of such a double seal ring in a hydraulic auto-tensioner.

The invention discloses a sterilization device on a non-woven fabric production line. The device comprises a machine shell, supporting rods and connecting lugs, the supporting rods are symmetrically welded to the bottom of the machine shell, the connecting lugs are fixedly connected to one ends of the supporting rods, and a first sterilization mechanism, a tensioning mechanism, a second sterilization mechanism and a drying mechanism are sequentially installed in the machine shell. The non-woven fabric winds around a roller in an S shape, on the one hand, the retention time of the non-woven fabric in the shell can be effectively prolonged; and on the other hand, the non-woven fabric can be fully irradiated by ultraviolet rays, and the sterilization effect is good. A water pump is powered on, meanwhile, a valve is opened, and a bacteriostatic agent solution in a tank body is conveyed into a U-shaped pipe through a communicating pipe. The bacteriostatic agent solution is sprayed out in the form of water mist through atomizing nozzles under the action of pressure, so that the bacteriostatic agent solution is sprayed to the surfaces of the two sides of the non-woven fabric so as to inhibit the growth of bacteria and to prevent regeneration of the bacteria.

The invention relates to a hollow rotor shaft for the rotor of an electrical machine, having a cylindrical jacket, which terminates at both ends with end flanges, wherein a main journal is formed at each of the end flanges, wherein an access bore is provided at least in one of the main journals, said access bore forming access to the shaft cavity that is surrounded by a cylindrical jacket, wherein a conducting element is provided, which fits into the access bore such that the conducting element seals off from the shaft cavity and which leads through the surrounding shaft cavity to the other main journal, into which the conducting element likewise fits such that the conducting element seals off from the shaft cavity, wherein the conducting element allows a liquid or gaseous medium to be conducted through.

The invention relates to the technical field of shock isolation in building and bridge engineering, in particular to a novel three-dimensional shock isolation device with a tensile function. The novel three-dimensional shock isolation device comprises a top steel platform, a horizontal shock isolation stand, a vertical tensile component, a transition steel platform and a vertical shock isolation component. The horizontal shock isolation stand is connected with the bottom of the top steel platform and the top of the transition steel platform, the vertical shock isolation component is arranged at the bottom of the transition steel platform, the vertical tensile component is arranged on the periphery of the horizontal shock isolation stand in a sleeving mode and connected with the bottom of the top steel platform and the top of the transition steel platform, so the good shock isolation function can be achieved in both the horizontal direction and the vertical direction, the horizontal shock isolation function and the vertical shock isolation function are decoupled without interfering with each other, and safety is high. On the premise that the vertical tensile component does not interrupt the movement of a horizontal shock isolation component or the movement of the vertical shock isolation component, large tensile strength is provided, and high safety stock is provided for preventing the structure from being pulled to be damaged by the stand.

The invention relates to aluminum bar casting forming equipment and a processing technology thereof. The equipment comprises a fixed frame, wherein a plurality of adjacent die plate units are mountedabove the fixed frame, a plurality of distributed crystal heads are arranged below each die plate unit, molten aluminum introduced by the die plate units is injected into the crystal heads, a ventilating valve is arranged next to each crystal head, a dummy bar head lifting platform is mounted at the bottom of the fixed frame, a plurality of dummy bar heads are mounted on the dummy bar head liftingplatform, each dummy bar head corresponds to each crystal head one by one, a lifting oil cylinder is arranged at the bottom of the dummy bar head lifting platform, and when the dummy bar head liftingplatform ascends, each dummy bar head stretches into each crystal head. In the crystallizing process, a cooling measure is applied, and the dummy bar head lifting platform is controlled to descend slowly to form an aluminum bar. A control box is mounted on the fixed frame and the die plate units, so that the aluminum bar casting forming equipment is high in work efficiency and good in forming effect.

The invention relates to an axial piston machine (1) having a pivot bearing (13) which is composed of two pivot bearing parts (13b, 13c) and has a pivot axis (13a) for a swash plate (12), having a gap (a) which is rounded and curved in the shape of a circular arc section between the pivot bearing parts (13b, 13c), and having a cage segment (15) arranged in said gap (a), wherein the cage segment (15) is guided by an angular guide element (19). The guide element (19) has a first guide limb (19a) which extends transversely with respect to the gap (a), projects beyond the latter, is mounted by means of a first rotary bearing (21) so as to be rotatable about its first rotational axis (21b) which extends parallel to the pivot axis (13a) and by means of a first longitudinal guide (23) so as to be moveable on the cage segment (15), and is connected in its one end region to a second guide limb (19b) which extends transversely with respect to the pivot plane (E4) of the first guide limb (19a) and which is rotatably connected by means of a second rotary bearing (24a) to the one pivot bearing part (13b). In order to improve the guidance of the cage element (15), the first guide limb (19a) and / or the second guide limb (19b) has or have in each case a transversely aligned molding (25).

The invention discloses an installing structure of an independent suspension system. The installing structure of an independent suspension system is characterized by comprising a plurality of supports, bases and pulling rods. The bases are arranged at the bottom of a vehicle frame; the pulling rods are arranged on the outer side of the bases; the lower end of an oil cylinder is fixed; the supports are horizontally and vertically arranged on the external side surfaces of two sides of the vehicle frame; and the top end of an oil cylinder is fixed. The installing structure of the independent suspension system provided by the invention consists of the supports arranged on the external side surfaces of two sides of the vehicle frame and the bases arranged at the lower portion of the vehicle frame; the top and bottom of the installing structure are positioned and installed, respectively; and thus a flexible dynamic balance mechanism can be formed. When a vehicle runs, longitudinal, horizontal and vertical loads transferred from wheels are effectively separated, thus force of the structure is reduced and strength and reliability of the structure are improved. Simultaneously, impact force applied on parts is small. The requirements for strength and precision of parts are low and vehicle cost is reduced.

The invention discloses a lifter for a car window. The lifter comprises a car door, a window frame, car glass and a cavity, the window frame is located on the surface of the car door, the window frameis internally and slidably connected with the car glass, the cavity is located in the inner side wall of the car door, base plates are symmetrically bonded to the bottom end inside the cavity, a bottom plate is arranged on the upper parts of the base plates, the middle of the upper surface of the bottom plate is fixedly connected with an electric hydraulic rod, the upper surface of the bottom plate is symmetrically provided with sliding grooves, the interiors of the sliding grooves are movably connected with pull rods through sliding blocks, the top ends of the pull rods are movably connectedwith a top plate, the lower surface of the top plate is fixedly connected with the bottom plate through a telescopic frame, the inner wall of the cavity is symmetrically provided with guiding grooves, and the guiding grooves are internally and slidably connected with guiding blocks. According to the lifter, the telescopic frame is mounted between the bottom plate and the top plate, the top plateis slidably connected with the guiding grooves through the guiding blocks, thus sliding smoothness of the top plate is effectively improved, the use effect is improved, the lifter is mounted and fixedconveniently, and the time and labor are saved.

The invention relates to an electrical internal combustion engine actuating arrangement for adjusting actuating elements of an internal combustion engine. The housing body (14) contains a drive motor (12) and is closed off by a housing cover (16). The actuating arrangement has, at the housing cover side, a position sensor (20) which interacts with a position transducer (82) of the housing-body-side drive output shaft (80). The housing cover (16) and the drive motor (14) are electrically connected to one another by means of at least one electrical plug connection arrangement (50, 51). The housing cover (16) and the housing (14) have a positioning arrangement (70) which is composed of a positioning pin (72) and a positioning bore (74). The plug connection arrangement is formed in each case by a plug blade (31, 32) and an opposing plug clamp (34, 35) having a plug-in slot (36, 37). The plug arrangement (50, 51) has, at the plug clamp side, in each case at least one separate plug blade guide (38, 39, 40, 41) with a guide slot (42 to 45) which is arranged in each case parallel to the associated plug-in slot (36, 37) of the respective plug blade (31, 32). It is the object of the invention to create an actuating arrangement whose position sensor is positioned precisely during assembly and which ensures good contact between the drive motor and the housing cover.

The invention provides an imaging logging short section structure based on rotary guiding. The imaging logging short section structure based on rotary guiding comprises a button electrode assembly, aspecific resistance receiving polar plate assembly, a specific resistance receiving antenna assembly and an integrated gamma imaging detector assembly, wherein the button electrode assembly, the specific resistance receiving polar plate assembly and the specific resistance receiving antenna assembly are arranged below a specific resistance transmitting antenna assembly from top to bottom; the button electrode assembly is closest to a transmitting antenna; and as a button electrode has a small receiving surface and a relatively high resolution ratio, a well wall specific resistance signal can be obtained. The specific resistance receiving polar plate assembly is capable of measuring the specific resistance value of a slightly remote stratum and judging the signal of distance from an instrument to the boundary of the reservoir in advance. The specific resistance receiving antenna assembly is farthest from the transmitting antenna, and the specific resistance receiving distance is farther, so that the specific resistance signal of a position near a drill bit can be obtained, thereby facilitating the forward-looking stratum evaluation and guiding function. The imaging logging short section structure based on rotary guiding has relatively short drill collar design length, relatively complete measurement parameters and a measured value closer to the drill bit.

The invention discloses a guide wheel device capable of preventing sudden changing and reversing, a sorting trolley and a crossed belt sorting machine. The guide wheel device comprises a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are movably connected with a trolley bottom plate, guide wheels are arranged at the two ends of thefirst connecting rod and the two ends of the second connecting rod correspondingly, and the guide wheels are provided with vertical rotating axes; and an elastic piece is connected between the first connecting rod and the second connecting rod, and rotating points of the first connecting rod and rotating points of the second connecting rod are located on the same side of the elastic part. According to the technical scheme, the guide wheels at the two ends of the first connecting rod and the two ends of the second connecting rod are always in flexible contact with an inner guide rail through the elastic piece, the situations that the guide wheels are separated from the inner guide rail and change direction are avoided, vibration impact and noise are avoided, the possibility that the guide wheels are separated from a belt is reduced, so that the service life is prolonged, and the impact on a vertical rod is reduced.

The invention provides a hanging type transmission production line, which at least comprises a work station section consisting of a front rail and a back rail and a left curved rail and a right curved rail, and the rail consists of two paralleling C-shaped pipes and is provided with a transmission device consisting of a transmission device frame, and an upper roller on the upper part , a lower roller on the lower part, a middle guiding wheel and a hanger on the lower end of the transmission device frame, and the upper and the lower roller are respectively arranged at the upper and the lower end surfaces of the pipe. By adopting the C-shaped rail, the hanging type transmission production line of the structure is convenient for installation, saves space and can lead the clothes transmission to be safer.

The invention discloses an intelligent training boxing bag comprising a sandbag body; the sandbag body comprises a base body, a wrapping body and a stress part; the stress part sleeves the base body;a plurality of workgroups are arranged on the peripheral surface of the stress part; the workgroups comprise a strain element, a light emitting part and a sounding element; the base body is provided with a console; the console is in communication connection with the workgroups; the console comprises a processing module, a generation module and a display module; the generation module is used for generating activation instructions; the processing module is used for generating hit rate information; the display module is used for receiving and displaying target quantity information, total hit amount information and hit rate information; the workgroups are used for receiving the corresponding activation instructions; the strain element is used for generating hit information; the light emittingelement is used for extinguishing the light after receiving a hit instruction; and the sounding instruction is used for sounding after receiving the hit instruction. According to the intelligent training boxing bag, the interactive experience between a user and the boxing bag can be increased, meanwhile, a relatively good guiding function is achieved, the structure is simple, and realization is facilitated.

The invention provides automatic blanking and outputting equipment of a gate type plate shearing machine, and belongs to the technical field of metal plate machining. The equipment comprises a blanking guiding device and an automatic outputting device. Two synchronous frames of the blanking guiding device are mounted at the two ends of the rear side of an upper knife switch frame through synchronous frame connecting screws correspondingly, blanking frame swinging rods are arranged on blanking bearing seats in a swinging manner through blanking swinging supporting lugs and blanking swinging supporting shafts, a blanking platform is mounted on the two blanking swinging rods, guiding assemblies are arranged on the blanking platform in a staggered manner at equal intervals, guiding wheels of the guiding assemblies are evenly distributed and rotationally arranged on a guiding frame through guiding wheel supporting shafts, and an outputting curtain of the automatic outputting device is arranged on a fixed outputting roller and a movable outputting roller in a surrounding manner. The blanking guiding device is used for carrying out blanking guiding on shorn plates, the blanked plates areautomatically output through the outputting device, bumps and scratches of the plates are effectively avoided, the automation degree is high, and the labor intensity is greatly reduced.

The invention provides an automatic blanking output device of a gate-type shearing machine, which belongs to the technical field of metal plate processing. It includes a blanking guide device and an automatic output device. The two synchronous frames of the blanking guide device are respectively installed on the two ends of the rear side of the upper gate tool holder through the synchronous frame connecting screws. The blanking swing support shaft can be swingably set on the blanking bearing seat, the blanking platform is installed on the two blanking frame swing rods, the guide components are equidistantly arranged on the blanking platform, and the guide wheels of the guide components are supported by the guide wheels. The shafts are evenly distributed and rotatably arranged on the guide frame, and the output curtain of the automatic output device is arranged around the fixed output roller and the movable output roller. The invention utilizes the blanking guide device to realize the blanking guidance of the cut boards, and after blanking, the output device realizes automatic output, effectively avoids bumping and scratching of the boards, has a high degree of automation, and greatly reduces the labor intensity.

The invention relates to the technical field of kitchen and bath electric appliances, in particular to a quantitative feeding structure and a dish washing machine with the same. The quantitative feeding structure comprises a second cavity arranged above a first cavity, and the second cavity is provided with a feeding opening communicated with the outside and a first outlet facing the first cavity; a first inlet is formed in the side, facing the first outlet, of the first cavity, and the first inlet and the first outlet are staggered; a throwing assembly is arranged on the body and comprises a base body; the base body is provided with a quantitative groove, and the quantitative groove is provided with a first position communicated with the first outlet and a second position communicated with the first inlet; and a driving structure is arranged on the body, and the quantitative groove reciprocates between a first position and a second position under the action of the driving structure. Solid salt in the second cavity is fed into the first cavity according to quantity and requirements through the quantitative groove to form a salt solution needed in the third cavity, and quantitative control over the salt amount needed by resin regeneration in the water softener is effectively achieved.

The invention discloses a controllable slitting device for glass fiber cabinet handle production, which comprises a mounting seat, a hydraulic rod is fixedly mounted on the upper end surface of the mounting seat, and a first limiting groove is formed in a mounting frame; the supporting assembly is mounted on the inner side of the upper end of the mounting base, and an air cylinder is arranged on the outer side of the upper end of a supporting plate; the driving motor is mounted at the right side end of the mounting seat, and a supporting rod is fixedly mounted at the lower end of the inner side of the mounting seat; and the fixing plates are fixedly installed on the inner walls of the left end and the right end of the installation base correspondingly, and a guide plate located on the upper side of the conveying belt is fixedly installed on the inner wall of the rear end of the installation base through a bolt assembly. According to the controllable slitting device for producing the glass fiber cabinet handle, the overall working efficiency is improved, the function of well controlling the slitting length is achieved, meanwhile, the good limiting and guiding functions are achieved before slitting, and better slitting work is facilitated.

The invention relates to the technical field of automobiles, in particular to an automobile combined key. The keyboard comprises a character plate (1), keys (2), a sliding block (3), a shading plate (4), ejector pin (5) mechanisms, a lamp panel (8) and a rack part (9), wherein the keys (2) are connected to the sliding block (3) to form a key (2) combination, and the character plate (1), the shading plate (4) and the rack part (9) are fixed and form a sliding cavity; the ejector pin (5) mechanisms are arranged at two sides of the shading plate (4); inclined arc faces (10) allowing the ejector pin (5) mechanisms to abut against are arranged on the two sides of the sliding block (3), the lamp panel (8) is arranged on the rack part (9) and provided with a signal transmission switch (12), and atriggering part (11) used for triggering the signal transmission switch (12) is arranged on the lower portion of the sliding block (3). The automobile combined key can meet various force displacementcurve requirements, and is low in poor contact risk and good in durability.

The invention provides an air fan protection shell based on aluminum plates. The air fan protection shell comprises two half shell bodies, the two half shell bodies are buckled and closed into a hoodbody and are of a central symmetry structure with the center of the hood body being the symmetry point, the front ends of the half shell bodies are provided with air outlets, the rear ends of the halfshell bodies are fixedly connected with rear baffles, the parts, on the peripheries of the air outlets, of the half shell bodies are fixedly connected with semicycle installation rings, a dustproof net is installed inside the installation rings, the parts, at the buckled and closed positions of the two half shell bodies, of the half shell bodies are provided with half shell body installation blocks, the half shell body installation blocks are provided with installation holes, installation surfaces of the installation blocks are provided with protrusions and grooves convenient to install and position, and the protrusions are fixed with the corresponding grooves in an insert connection manner. The air fan protection shell based on the aluminum plates has the beneficial effects that by meansof the manner that the installation rings are internally provided with the dustproof net, the probability of outside dust, fine cellosilk and the like invading into the inner portion of an air exhaust fan can be effectively lowered, so that the capacity of keeping clean of the air exhaust fan is greatly improved, and the cleaning frequency is significantly lowered.

The invention discloses an integrated six-stage three-cross-beam metal beam column type guardrail for a median strip of an expressway. The integrated six-stage three-cross-beam metal beam column typeguardrail comprises a concrete surface layer, stand columns, cross beams, cross beam longitudinal supporting assemblies and cross beam transverse connection reinforcing assemblies. The concrete surface layer is arranged on an expressway median strip; the lower ends of the stand columns are arranged in the concrete surface layer and extend to the ground layer; three cross beams are sequentially arranged on the two sides, facing the two driving directions of the expressway, of the stand columns from top to bottom; each cross beam is connected with the stand column through the cross beam longitudinal supporting assembly in a longitudinal direction, and each cross beam is connected and extended through the cross beam transverse connection reinforcing assembly in a transverse direction. The requirements for guardrail strength and deformation control, snow blocking prevention and material consumption control are met at the same time; the guardrail has the advantages that accident vehicles can be stopped, a good guiding function is achieved, the vehicles can be guided out smoothly, safety of passengers in the vehicles can be guaranteed, serious damage or life endangering caused by overlarge deceleration and acceleration is avoided, and the protection level of the guardrail reaches six levels.

The invention belongs to the technical field of flexible guide mechanisms, and discloses a flexible guide part which is high in flexural rigidity and stable and reliable in structure and has good buffering and guiding functions. In addition, the multiple first end heads and the multiple second end heads are evenly distributed around the spiral central axis in the circumferential direction, so that stress on the multiple spiral bodies is more balanced, and the problems of eccentric vibration and the like caused by uneven stress on the flexible guide part are effectively solved. The invention further provides a flexible guide mechanism, the flexible guide mechanism can conveniently and flexibly adjust the number of effective stress turns of the spiral body in the flexible guide piece through the arrangement of the adjusting sleeve and the adjusting ring, and therefore rigidity adjustment of the flexible guide piece is achieved, and the use requirements under different buffering and guide working conditions are met.

The present invention relates to the field of seismic isolation technology of construction engineering and bridge engineering, in particular to a novel three-dimensional seismic isolation device with relatively large vertical static stiffness, which includes a horizontal seismic isolation component, a transitional steel structure platform, and a vertical seismic isolation component. Horizontal shock-isolation components and vertical shock-isolation components are respectively arranged on the top and bottom of the transitional steel structure platform, and also include vertical damping elements and vertical static supports. The bottom of the structural platform is set in parallel with the vertical isolation components. The device can perform isolation functions in both the horizontal and vertical directions, and the horizontal and vertical isolations are decoupled from each other without being involved with each other and have high safety; The vertical damping member can further reduce the vertical seismic action through energy dissipation, and the vertical static support can provide a large vertical static compressive stiffness, and at the same time provide a certain tensile strength during vertical earthquakes, ensuring the superstructure Safe, easy to manufacture, easy to install and maintain.

The invention relates to an anti-jamming valve element assembly of a pressure release valve of a lubricating oil gear pump. The anti-jamming valve element assembly comprises a valve element 1, a spring 2 and a spring base 3; one end of the spring base 3 is fixed in a pressure release valve cavity, and the other end of the spring base 3 extends into the spring 2; the other end of the spring 2 is connected with the valve element 1; the other end of the valve element 1 makes contact with a base of the pressure release valve to keep a certain pre-tightening force of the spring 2; and the distancebetween the valve element 1 and the spring base 3 is larger than the maximum opening and closing distance of the valve element. The anti-jamming valve element assembly of the pressure release valve can efficiently and safely solve the problem that the valve element of the pressure release valve of the lubricating oil gear pump of an emergency diesel engine is frequently abraded and jammed under the condition that the original performance of the lubricating oil gear pump is not affected.

The invention relates to an axial piston machine (1) having a pivot bearing (13) which is composed of two pivot bearing parts (13b, 13c) and has a pivot axis (13a) for a swash plate (12), having a gap (a) which is rounded and curved in the shape of a circular arc section between the pivot bearing parts (13b, 13c), and having a cage segment (15) arranged in said gap (a), wherein the cage segment (15) is guided by an angular guide element (19). The guide element (19) has a first guide limb (19a) which extends transversely with respect to the gap (a), projects beyond the latter, is mounted by means of a first rotary bearing (21) so as to be rotatable about its first rotational axis (21b) which extends parallel to the pivot axis (13a) and by means of a first longitudinal guide (23) so as to be moveable on the cage segment (15), and is connected in its one end region to a second guide limb (19b) which extends transversely with respect to the pivot plane (E4) of the first guide limb (19a) and which is rotatably connected by means of a second rotary bearing (24a) to the one pivot bearing part (13b). In order to improve the guidance of the cage element (15), the first guide limb (19a) and / or the second guide limb (19b) has or have in each case a transversely aligned molding (25).

The invention provides an extra-high-voltage direct-current grounding switch. The extra-high-voltage direct-current grounding switch comprises a bracket, a grounding static contact and a grounding switch blade which are arranged in a matching manner, a support insulator and a supporting beam which are fixedly arranged on the bracket, an operation mechanism for driving the grounding switch blade and a switch blade supporting frame for supporting the grounding switch blade; a double-column type composite support insulator structure is adopted so that the structure stability and reliability of the whole body of a product are effectively enhanced; the grounding switch blade adopts a vertical retractable structure, and a driving push rod drives a conductive tube to carry out brake switching-on / off operation, so that a triangular structure is formed by the conductive tube at a switching-off status and the driving push rod, and the reliability of the product is improved; the folded conductive tube is driven from an inner pull rod, and different rotary centers of the pull rod and the conductive tube of the lower part are set, so that the pulling-up operation of the conductive tube is finished in switching-off operation, and folding driving in the switching-off operation is finished; and two acting processes are equal through the transmission of a gearbox, and the fixed and stable connection of switching-on and switching-off positions is realized.

An electrical internal combustion engine actuating arrangement includes a housing cover with a position sensor and a housing body having disposed therein an electric drive motor and an output shaft having a position transducer. The housing cover and the electric drive motor are connected via at least one electrical plug connection arrangement including a plug blade and an opposite plug clamp having a plug-in slot. The housing body and the housing cover include a positioning arrangement having a positioning pin and a positioning bore configured to receive the positioning pin. The at least one electrical plug connection arrangement includes, on a side of the plug clamp, a plug blade guide with a guide slot arranged in parallel with the plug-in slot and a plug-in axis of the positioning arrangement.

The present invention relates to a hydraulic auto-tensioner, in particular for a chain drive of an internal combustion engine, comprising a housing, a tensioning plunger guided in a plunger bore of said housing, a free piston guided in said plunger bore, and a plunger rod formed on said tensioning plunger and extending through the free piston. The tensioning plunger, the housing and the free piston delimit a hydraulic reservoir which is sealed with respect to the housing and the plunger rod by means of a sealing unit that is arranged on the free piston. The sealing unit is implemented as a double seal ring with an outer sealing surface which is in sliding contact with the plunger bore of the housing, and an inner sealing surface which is in sliding contact with the plunger rod of the tensioning plunger. In addition, the present invention relates to the use of such a double seal ring in a hydraulic auto-tensioner.