184 results about "Radial projection" patented technology

A device for lubricating a surface of a tubular element includes a shaft portion having a longitudinal axis, and a brush portion located on the shaft portion. The brush portion comprises at least one radial projection having a helical form. The protrusion comprises at least one contact zone for contacting a surface. An outer diameter of the helical form formed by the at least one contact zone is tapered at both longitudinal ends of the brush portion such that the outer diameter of the helical form is reduced at the longitudinal ends of the brush portion. The brush portion is formed from a brush portion material and a lubricant agent which is transferred from the at least one contact zone to a surface during use.

A latch assembly for pivotally securing a tailgate to a truck bed including a body adapted to being secured to a side of the tailgate and enclosing each of a pawl and sector. A pivot support is adapted to being secured to each of first and second opposing side locations of the tailgate in alignment with a main pivot extending through said sector. The pawl exhibits projecting portions which oppose circumferentially offset and radial projection portions of the sector. A torque is exerted by the pawl against the sector at selected downward and return upward pivoting directions, permitting rotation of the tailgate between each of upright, intermediate and down positions.

Liquid filter assemblies, features, components and methods are described. In general, a liquid filter cartridge is provided which includes features that help ensure that when the assembly is serviced, the cartridge positioned within the assembly is a proper one, in proper sealing orientation, for appropriate use. Features that can be used to provide for this include: a seal on the filter cartridge that defines a seal pattern non-orthogonal to a plane perpendicular to a central axis of the filter cartridge; and, a member of a projection / receiver arrangement on the filter cartridge which is orientated to engage a portion of a liquid filter assembly, for example a liquid flow collar, to allow sealing when the cartridge is a properly positioned cartridge and a properly configured cartridge. Assembly features are described. Also, a flexible radial projection arrangement providing snap-fit interaction between a cartridge and housing is provided. Methods of assembly and use as described.

The invention relates to the technical field of axial flow fans, in particular to an impeller with S-shaped blades and an axial flow fan applying the impeller. On the axial projection of the impeller, the peripheral contour of each blade is defined by a blade root edge, a blade front edge, a blade outer edge and a blade rear edge, and the blade root edge is connected with the hub; the blade front edge and the blade rear edge are both wavy curves, and the blade root edge and the blade outer edge are both arc-shaped lines with the axis O of the hub as the circle center. Each blade is provided with a pressure face and a suction face, the pressure faces and the suction faces are oppositely arranged, and on the radial projection of the impeller, the pressure faces are arranged in a wave shape in a protruding mode from one end of the blade root edge to one end of the blade rear edge towards the suction faces and then concavely arranged, so that the blades are of an S-shaped structure. The problem that a traditional blade structure cannot meet the use requirements of high efficiency and low noise can be solved.

A rear sprocket for a bicycle is provided, capable of realizing a multi-stage rear sprocket assembly through a simple design. A locking rear sprocket 51 comprises a sprocket body 63, a plurality of sprocket teeth 65, a tubular body 67, external threads 69, and a radial projection 71. The tubular body 67 extends axially from the axially inward-facing surface of the sprocket body 63. The external threads are provided on the tubular body 67 and are designed to engage with the internal threads 37b provided on a sprocket carrier body 37 of a rear wheel hub assembly 25. The radial projection 71 is designed to extend radially outward from the tubular body 67 and is configured to bear axially against an adjacent sprocket 52 adjoining the rear sprocket 51.The radial projection 71 is free of the multitude of sprocket teeth 65.

A feeder housing shaft sprocket segment comprising: a sprocket segment body (300) extending in a circumferential direction around a center axis (A) from a leading edge (304) to a trailing edge (306), wherein the leading edge (304) and trailing edge (306) subtend a segment angle about the center axis (A), the segment angle being a first unit fraction of 360°; an outer sprocket perimeter (308) comprising a plurality of teeth (310) evenly arranged in the circumferential direction about the center axis (A) with each tooth (310) spaced by a tooth angle from each adjacent tooth (310), the tooth angle being a second unit fraction of 360°; and a plurality of engagement surfaces (312) extending towards the center axis (A) and facing in the circumferential direction (C), the plurality of engagement surfaces (312) being asymmetrical relative to a plane (P) defined by the center axis (A) and a radial projection from the center axis (A) that bisects the sprocket segment body (300) midway between the leading edge (304) and the trailing edge (306).

The application relates to a rotary valve, in particular a multi-way regulating valve, with a housing, which has at least one inlet connection and at least one outlet connection for a liquid and / or gaseous medium, with at least one valve element, which is rotatably mounted in the housing between the connections in order to set at least one desired flow cross-section, and with a control shaft, which is non-rotatably connected to the valve element, which control shaft is led out of the housing with a coupling end, through an opening in a housing wall of the housing, wherein the control shaft has a radial projection, which has an axial stop for making axial contact with an annular sealing protrusion of the housing wall, and with at least one sealing element acting between the control shaft and the housing. It is provided that the annular projection of the control shaft has at least one axial recess on the end face thereof facing the housing wall, which axial recess extends over a limited circumferential section of the end face to the radial outer edge of the annular projection, and that a chamber is formed between the annular projection, the control shaft, the housing wall, and the sealing projection, in which chamber the sealing element is arranged.

A plug for sealing one end of a threaded coupler from wet concrete includes a body having a flange portion for sealing around an outer edge of an opening of a coupler; and the body including a plug portion with radial projections for engagement inside a threaded coupler, the radial projections are configured to flex when the plug portion is pushed into or pulled out of the threaded coupler, the plug portion extending downwardly from the flange portion.

The utility model provides a reinforcement cage stirrup winding device which comprises a bending machine, a winding piece and a spiral piece, and a rotating disc is arranged at the driving end of the bending machine. The bending piece is coaxially arranged on the rotating disc, the rotating disc can drive the bending piece to rotate around the axis of the rotating disc, a fixing base and a bulletproof piece are arranged on the top of the bending piece, the first end of the bulletproof piece is rotationally connected to the fixing base, and the bulletproof piece can turn over up and down around the first end of the bulletproof piece; the spiral part is arranged on the outer side wall of the bending part, a spiral part used for positioning a reinforcing steel bar is formed on the outer side wall of the bending part of the spiral part, the spiral part has a uniform screw pitch and spirally extends upwards along the outer side wall of the bending part, and the terminating end of the spiral part is arranged close to the bulletproof part; an inlet and outlet for a reinforcing steel bar to penetrate through is formed between the terminating end of the spiral part and the second end of the bulletproof part, and the second end of the bulletproof part exceeds the spiral part on the radial projection plane; the stirrup winding device not only facilitates winding of stirrups, but also can control the screw pitch of the stirrups, and has the advantages of being simple in structure and convenient to operate.

A flame protection device (41) for a burner (3) is arranged in a drying drum (2) and has a central longitudinal axis (7) and several lamellae (9) which are arranged in a circumferential arrangement (40) in the circumferential direction (10) with respect to the central longitudinal axis (7), wherein an outer surface (42) of the circumferential arrangement (40) facing away from the central longitudinal axis (7) is formed without radial projections.

A wheel hub assembly (1) for a motor vehicle, comprising a wheel hub (2) rotatably mounted by means of a wheel bearing (8) for fastening a wheel (4), wherein a shaft (12) formed separately from the wheel hub (2) is coupled to the wheel hub (2) in a rotationally fixed manner, wherein a first receiving portion (19) of a seal receptacle (20) is formed in the wheel hub (2), in which a sealing device (21) is arranged, which engages in a second receiving portion (22) of the seal receptacle (20), formed in the shaft (12) and adjoining the first receiving portion (19) in the axial direction with respect to a rotational axis (14) of the wheel hub (2), wherein the sealing device (21) bears sealingly against an inner circumferential surface (25) of the wheel hub (2) and against an inner circumferential surface (27) of the shaft (12), characterized in thatthat the sealing device (21) projects beyond the wheel hub (2) on its side facing away from the shaft (12) and has a radial projection (28) there to form a rim cover (29), which projects beyond the first receiving section (19) in the radial direction.

The compressor shell comprises a machine shell and a sleeve, the machine shell is of a barrel-shaped structure with one end open or two ends open, the sleeve is of a barrel-shaped structure with two ends open, an installation portion used for installing a motor stator is arranged in the machine shell, the sleeve is arranged on the peripheral wall of the machine shell in a sleeved mode, and the machine shell is of a barrel-shaped structure with one end open or two ends open. And the radial projection of the sleeve covers the mounting part. According to the compressor shell, under the condition that the thickness of a machine shell is not increased, the overall thickness can be increased through the sleeve, the overall thickness of a compressor on the outer side of the installation part is indirectly increased, and therefore the sound insulation capacity of the compressor is improved, the effect of reducing noise is achieved, and meanwhile the installation difficulty of the machine shell and a motor stator can be reduced.

A key for holding a dial foot, the key including a cylindrical head arranged at the end of a rod, the head and the rod being coaxial, the head including a flat and a collar extending over a portion of its periphery in an angular sector defined around the longitudinal axis of the rod, on either side of the flat. The collar includes a cross section with a frustoconical shape and, with respect to the periphery of the head, forms a minimum radial projection, substantially zero, at the ends of this angular sector and forms a maximum radial projection between these ends.

This utility model provides a contactor lead-out connection structure and a contactor, including an insulating cover and a lead-out terminal. The insulating cover has a connection hole, and the lead-out terminal is fitted into the connection hole of the insulating cover. It has a stationary contact end as a stationary contact and an external portion away from the stationary contact end. The external portion is used to connect to an external connection terminal. The external portion also has a fixing part extending outward in its radial direction, and is fixedly connected to the insulating cover through the fixing part. On the radial projection plane, the distance between the connection position of the lead-out terminal and the insulating cover, and between the connection position of the lead-out terminal and the connection terminal, is increased. When the connection terminal is subjected to external pulling force, the pulling force on the connection position of the lead-out terminal and the insulating cover is reduced, making it less prone to tearing, thus ensuring the sealing reliability of the product.

The invention relates to a stop pin (10) for limiting the axial travel of a mobile (21) of a timepiece movement (20), said stop pin (10) comprising a head (11) arranged at one end of a stem (12) extending along a longitudinal axis of rotation, the head (11) extending radially relative to the stem (12) and comprising, on a portion of the periphery of the head (11), a radial projection (110) intended to be arranged opposite the mobile (21), and, at the junction with the stem (12), a bearing seat (111), the stop pin (10) being intended to rest, by means of the bearing seat, on a structure (22) of the timepiece movement (20), wherein said bearing seat (111) has a central thickening (112) extending around said stem (12) so as to allow the bearing surface of said bearing seat (111) to be limited on said structure (22) of the timepiece movement (20).

The application discloses a lower-positioned air duct negative pressure box oil discharging and noise reduction structure, which comprises a negative pressure box shell, a fan assembly, a sealing plate and an anti-back-suction oil outlet cover plate. The negative pressure box shell comprises a negative pressure box U-shaped plate, a side plate and a front cover plate. The anti-back-suction oil outlet cover plate comprises a top plate, an inner partition plate and an outer partition plate. The inner partition plate is provided with an inner oil guiding part, and the outer partition plate is provided with an outer oil guiding gap. The radial projection of the inner oil guiding part does not coincide with the outer oil guiding gap. The anti-back-suction oil outlet cover plate is arranged, so that the oil stains need to pass through the inner oil guiding part, then pass through the gap between the inner partition plate and the outer partition plate, and then flow out from the outer oil guiding gap to really enter the inside of the negative pressure box. The length of the path that the oil stains need to pass through in the case of back suction is prolonged, and the risk of the oil stains being adhered to the fan assembly in the case of back suction is reduced. Meanwhile, the arrangement of the anti-back-suction oil outlet cover plate blocks the air sucked in from directly entering the negative pressure environment to cause the noise generated by turbulence, so that the noise reduction effect is achieved.

This utility model discloses an air fryer, including a housing, a reflector, a motor, a first fan blade, a second fan blade, a heating element, and a pot body. The reflector is disposed on a partition plate inside the housing, dividing the cavity inside the housing into an installation cavity and a cooking cavity. The motor and the first fan blade are both disposed in the installation cavity. The second fan blade and the heating element are both disposed in the cooking cavity and are both located within the reflector. The output shaft of the motor extends through the reflector into the cooking cavity. The first and second fan blades are both connected to the output shaft of the motor. The first fan blade has a receiving cavity in its middle, and at least a portion of the motor is located within the receiving cavity. The heating element surrounds the second fan blade, and the radial projection of the fan blade at least partially coincides with the radial projection of the heating element. The pot body can be inserted into the cooking cavity through an insertion port opened in the side wall of the housing. By improving the arrangement of the internal components of the air fryer, the height of the air fryer is reduced, thereby reducing packaging and transportation costs.

The utility model provides a wave generator assembly tool of a harmonic reducer. The wave generator assembly tool comprises a press-fitting base and a guide shaft arranged on the press-fitting base. The guide shaft comprises a first guide part and a second guide part, the first guide part is used for being connected with the cam, and the cam can slide in the axial direction of the first guide part; the second guide part is sleeved with a guide sleeve, and the guide sleeve can slide in the axial direction of the second guide part. A positioning part protruding in the radial direction is arranged on the peripheral wall of the guide sleeve, and the first guide part, the second guide part and the positioning part are coaxially arranged; the positioning part is used for being connected with the flexible bearing in a sleeving mode, and the peripheral wall of the positioning part is attached to the inner wall of the flexible bearing. In the assembling process, the cam pushes the guide sleeve downwards, the positioning part is made to retreat from the inner ring of the flexible bearing, meanwhile, the cam is extruded into the flexible bearing from the upper portion, in the process, the cam and the flexible bearing are kept coaxial all the time, the assembling requirement of the wave generator is met, secondary deformation of the flexible bearing is avoided, and then the product quality is guaranteed.

This utility model relates to the field of agricultural machinery power output technology, and discloses a transmission device for an agricultural work machine, including a power unit and a transmission housing. The power unit is drively connected to the transmission housing. A clutch unit, supported by a power shaft and used to connect or disconnect power transmission, is disposed within the transmission housing. A maintenance port for maintaining the clutch unit is provided on the transmission housing, located on the radial projection side of the clutch unit and / or the axial projection side opposite to the power unit. This facilitates the inspection and maintenance of the clutch unit, allowing for quick disassembly, replacement, and installation.

The invention relates to a stator (1) of an electric machine (2), comprising a set of stator plates (5), on which stator grooves (7) are formed, a conductor bundle (10) being arranged in each of the stator grooves (7) in order to form an electric stator winding (11), a groove gap (12) being formed between a lateral surface (7f) of the respective stator groove (7) and the respective conductor bundle (10), the stator (7) has a groove gap (13) which forms a groove gap channel (13) in the corresponding stator groove (7), a cooling medium can flow through the groove gap channel along a groove cooling path (14), the stator grooves (7) extend in the radial direction between a groove base (7g) and a groove gap (7s), the groove gap (7s) is closed by a stator sealing sleeve (15), and the groove base (7g) and the groove gap (7s) form a groove gap channel (13). The stator sealing sleeve (15) has a radial projection (16) on the outer side, which projects into the groove gap (7s) in the radial direction, characterized in that the radial projection (16) of the stator sealing sleeve (15) is a groove gap-blocking part, which blocks or narrows the corresponding groove gap (7s) in some sections for the groove cooling path (14), and in that the radial projection (16) of the stator sealing sleeve (15) is a groove gap-blocking part, which blocks or narrows the corresponding groove gap (7s) in some sections for the groove cooling path (14). A plurality of groove gap barriers (16) are formed on the stator sealing sleeve (15) for each groove gap (7s), a groove gap passage (17) is formed between adjacent groove gap barriers (16) of the same groove gap (7s), and the groove gap barriers (16) are formed in a hemming manner.

The invention relates to a steering gear (10) for a steering system of a motor vehicle, comprising a housing (12) of the servo unit (14), said housing (12) having a circular opening (16), wherein a plurality of first radial projections (18) arranged at a distance from one another in the circumferential direction are formed on the circumferential surface (16a) of the opening (16); and comprising a servo cover (20). A plurality of latching elements (22) arranged at a distance from one another in the circumferential direction are formed on a circumferential surface of the servo cover (20) and are designed to interact, in a closed position of the bayonet closure, with the first radial projections (18) formed on the circumferential surface (16a) of the opening (16) of the housing (12) of the servo unit (14) in such a way that the servo cover (20) is rotationally fixed in the opening (16) of the housing (12) of the servo unit (14). The invention further relates to a method for producing a bayonet closure for a steering gear (10) of a steering system for a motor vehicle.

Steer-by-wire steering device (10; 10A; 10B; 10C) comprising: a first element (80, 80B, 80C) that rotates together with an input shaft (21) when a steering wheel (11) is turned, and that includes a first projection (82, 82B, 82C) that extends from the input shaft (21) in a radial direction; a second element (90, 90A) provided on the input shaft (21), having a center of mass (G2) spaced relative to the center line (CL) of the input shaft (21) and a second projection (92) that extends into a path of movement of the first projection (82, 82B, 82C), wherein the second element (90) is rotatable together with the first element (80, 80B, 80C) when the first projection (82, 82B, 82C) is in contact with the second projection (92); and a stop (61a) which is arranged in a position suitable for adjoining only one path of movement of the second element (90) when the second element (90) is rotated by the first element (80, 80B, 80C), and which is suitable for limiting a rotation of the steering wheel (11) by means of the input shaft (21) when the second projection (92) is in contact with it, wherein the second projection (92) comprises a radial projection (92a) extending in the radial direction from the second base (91) and an axial projection (92b) extending in the direction along the axial line (CL) from the radial projection (92a), and wherein the axial projection (92b) is able to rest against the first projection (82, 82B, 82C) and against the stop (61a).

The present invention provides an air cycle machine, comprising an air expansion mechanism, the air expansion mechanism including an expansion volute and a turbine within the expansion volute, a turbine having a wheel cover mounted on its outer periphery, the wheel cover including a connecting cover plate and an air outlet pipe located on the outer end surface of the connecting cover plate, the wheel cover being connected to the expansion volute via the connecting cover plate, and the air cycle machine further including an anti-icing pipe mounted radially outwardly of the air outlet pipe, the anti-icing pipe having a hot air flow introduction pipe, the radial projection of the turbine outlet end surface on the air outlet pipe forming a first projection circle, and the hot air flow delivered linearly by the hot air flow introduction pipe covering at least a portion of the first projection circle. The present invention can specifically direct a higher-temperature airflow in a linear impact manner to the lowest-temperature region of the air outlet pipe, thereby effectively raising the air outlet pipe temperature in this region, thereby effectively reducing the probability of ice formation in this region, and effectively preventing ice blockage at the air outlet of the turbine of the air expansion mechanism.

Torsional vibration damping device (1) with a primary mass (4) and a secondary mass (5) which is rotatable relative to the primary mass (4) against the action of at least one torsional vibration damping element (7) and by means of a bearing device (10) comprising an axial thrust washer (18), an axial friction ring (16) and a radial sliding bearing sleeve (14), wherein the axial thrust washer (18) is non-rotatably connected to the primary mass (4), wherein the axial thrust washer (18) has at least one radial projection (41-43) which is non-rotatably connected to the primary mass (4) and projects radially outwards, wherein the radial projection (41-43) engages with a drive element extending from a retaining element (25) which is attached to the primary mass (4).

A damping assembly is provided comprising a base comprising a circular opening and a support (200) configured to fit into said circular opening of said base. The support (200) comprises a base (210) having a cylindrical outer side surface. The support (200) comprises a damping cylinder (220) comprising an inner side surface surrounding the outer side surface of said base (210) and an outer side surface (222) configured to hold on said circular opening. Said damping cylinder (220) comprises at least one radial projection (230) extending from the inner side surface of said damping cylinder (220) or from the outer side surface of said damping cylinder (220). [Fig. 4]

The utility model discloses a nozzle and an ammoniation device for carbon fiber polymerization liquid. The nozzle comprises an outer sleeve and an inner sleeve attached to the inner side of the outer sleeve. The peripheral wall of the outer sleeve is provided with at least two air injection areas distributed in the circumferential direction, and each air injection area comprises a plurality of air injection holes. At least two air outlets in one-to-one correspondence with the air injection areas are formed in the peripheral wall of the inner sleeve; the projection of each air outlet hole on the peripheral wall of the outer sleeve in the radial direction covers the corresponding air injection area. The at least two air outlet holes are formed in the inner sleeve of the nozzle, the at least two air injection areas are arranged on the outer sleeve, and each air injection area comprises the multiple air injection holes, so that the nozzle can uniformly exhaust air, and the ammoniation effect can meet the use requirement; and a double-layer tubular structure formed by matching the inner sleeve and the outer sleeve can enhance the structural strength of the nozzle.

The present invention relates to a brake actuation device (2) for a motor vehicle, comprising a brake booster (1) having a movable actuating rod (3), and an input rod (5) which is connectable to or connected to a brake pedal (6) and coupled to the actuating rod (3) by a ball joint (9) so that the input rod (5) is pivotable relative to the actuating rod (3), wherein the ball joint (9) has a spherical socket (10) and a spherical projection (11) mounted in the spherical socket (10). It is provided that at least one radial recess (17) is formed in the spherical socket (10) in which a radial projection (16) of the spherical projection (11) with a predetermined clearance for limiting the pivoting range of the ball joint (9) is located.

Container for a product, in particular a cosmetic product, the container (1) having an axis, referred to as the longitudinal axis, and comprising a bottle (2) having a first radial projection and a second radial projection offset at least axially relative to the first projection of the bottle, and a cap (4) of the bottle, the cap has a first radial projection and a second radial projection which is at least axially offset from the second projection of the cap, the first projection of the bottle and / or the first projection of the cap extending over a first portion of the circumference of the container, and the second projection of the bottle and / or the second projection of the cap extending over a second portion of the circumference of the container, the first protrusion and the second protrusion are configured to cooperate with each other to obtain, in a closed position of the container, a first contact area between the first protrusion of the bottle and the first protrusion of the cap on one hand, and a second contact area between the second protrusion of the bottle and the second protrusion of the cap on the other hand, the first contact region and the second contact region are distributed over the entire circumference.

The invention discloses a driving joint of a robot. The driving joint drives legs of the robot to achieve posture conversion. The driving joint comprises a speed reducer assembly, a stator shell, a stator assembly, a rotor assembly, a driving plate and a driving cover; a stator assembly and a rotor assembly which is accommodated in the stator assembly and can rotate relative to the stator assembly are fixed in the stator shell; a central gear is arranged at one end, facing the speed reducer assembly, of the rotor assembly; the speed reducer assembly comprises a planetary speed reducing mechanism which is in meshing transmission with the sun gear; the rotor assembly is arranged in an annular space formed by the stator assembly, and the projections of the speed reducer assembly, the driving plate and the driving cover in the axial direction are at least partially overlapped with the radial projection of the stator assembly; according to the driving joint for the robot, installation is convenient, the space utilization rate is extremely high, a wire harness can be arranged in the driving joint, compact layout is achieved, and motion interference is avoided.

The invention relates to a fuel cell system (200) having a valve (10) in a valve housing (50), the valve (10) having: a) a drive unit (12), b) an elongate rotor (20) with a first rotor section (21) and a second rotor section (22), the second rotor section (22) having: I. a first radially circumferential projection (31), II. a second radial projection (36), which is spaced at a distance (d1) from the first radially circumferential projection (31) and has at least one opening (39) for the passage of the fluid of the fluid source (102), c) a main valve plate (60) which is movably mounted on the second rotor section (22) and has a rotor hole (62).