33results about How to "Prevent follow-up phenomenon" patented technology

The invention discloses a rotating flexible shaft supporting tube formed by asymmetrically combining single-sheet type supporting blades, comprising an inner tube body, elastic supporting blades and rigid supporting blades, wherein the elastic supporting blades and the rigid supporting blades are integrally and fixedly connected on the outer surface of the inner tube body, have smaller thicknesses than the thickness of the inner tube body and are respectively arranged along the length direction of the outer surface of the inner tube body; the distance between the top end parts of the elastic supporting blades and the tube center of the inner tube body is the same as the distance between the top end parts of the rigid supporting blades and the tube center of the inner tube body; the rigid supporting blades are distributed on the outer surface of the inner tube body, which corresponds to a central angle less than or equal to 180 degrees of the inner tube body; the number summation of the elastic supporting blades and the rigid supporting blades is 3-8; and the root parts of the elastic supporting blades are in single-sheet type. The invention is suitable to being used on a straight metal outer casing and a plant protecting machine with an arc bending pipe. When in use, the invention not only can prevent the followed running phenomenon, but also can prevent the inner tube body from being stuck with the rotating flexible shaft.

The invention discloses a hard alloy accessory with an inner screw thread. The hard alloy accessory with the inner screw thread is characterized by comprising an accessory body which is made of an alloy material and is 1-10 mm in width, wherein the inner side surface of the accessory body is completely or partially provided with the screw thread. As an improvement, the accessory body is made of the alloy material, and the inner side surface of the accessory body is completely provided with the screw thread. The accessory body is made of a tungsten carbide material; and the inner side surface is completely or partially provided with the screw thread. The hard alloy accessory with the inner screw thread in such the reasonable design has a simple structure, can prevent rotation following phenomena and can guarantee normal work of machinery.

The invention relates to a rotating flexible shaft support tube. According to the technical proposal provided by the invention, the rotating flexible shaft support tube with a support blade provided with a Y-shaped cross-section comprises an inner tube body and three or more support blades which are integrally arranged on the outer wall surface of the inner tube body; the support blades extend on the outer wall surface of the inner tube body along the length direction of the inner tube body; the bottom section of the support blade is a blade root part; the upper end of the blade root part is connected with two blade tip parts with an arc cross section and the blade tip part presents the shape that the thickness is gradually decreased from the bottom end part to the top end part thereof; two blade tip parts which are positioned at the top end part of one blade root part are connected with the blade root part into a whole; and two blade tip parts which are simultaneously positioned at the top end part of one blade root part form a support blade with a Y-shaped cross-section together with the blade root part. When in use, the support tube not only can prevent the occurrence of two-way heel rotating phenomenon, reduce vibration, and ensure comfortable operation, but also can avoid the over-clamping of the inner tube body and the rotating flexible shaft, and greatly prolong the service life; the support tube can be replaced easily, and the cost is reduced.

The invention relates to a rotary flexible shaft supporting tube with support blades having double-node cylindrical-annular sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the inner tube body has a circular tube shape; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; the section of each support blade is annular, and the outer wall of each support blade is cylindrical; and the wall thickness of each support blade is less than that of the inner tube body; in the section of the inner tube body and each support blade, an inner hole of each support blade is intersected with the outer wall of the inner tube body; and the distances from the tops of all support blades to a tube core of the inner tube body are the same. The rotary flexible shaft supporting tube has the advantages ofeffectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort after being assembled and used; and the rotary flexible shaft supporting tube can be widely used as rotary flexible shafts of electric, pneumatic and fuel powered mechanical equipment such as equipment for plant protection, motor vehicles, automatic hydraulic equipment and the like.

The invention discloses a lightweight fixing bracket for a car engine and a car body. The lightweight fixing bracket comprises a bracket body, the bracket body is of an L-shaped structure, comprises an upper side face and a lower side face, and the upper side face is vertically connected with the lower side face; an installation hole and a stop rotating edge are further arranged on the bracket body, the installation hole is formed in the center of the upper side face in a penetrating mode, the stop rotating edge is arranged at one end of the upper side face, the stop rotating edge is perpendicular to the upper side face, a flanging is arranged on the edge of the bracket body, the flanging is vertically connected with the bracket body, an arc included angle is formed at the connection, andthe stop rotating edge and the convex ends of the flanging have the same orientation. The rigidity of the fixing bracket is improved, and the rotating following phenomenon during installation is prevented.

The invention discloses a rotating flexible shaft supporting tube formed by asymmetrically combining single-sheet type supporting blades, comprising an inner tube body, elastic supporting blades and rigid supporting blades, wherein the elastic supporting blades and the rigid supporting blades are integrally and fixedly connected on the outer surface of the inner tube body, have smaller thicknesses than the thickness of the inner tube body and are respectively arranged along the length direction of the outer surface of the inner tube body; the distance between the top end parts of the elastic supporting blades and the tube center of the inner tube body is the same as the distance between the top end parts of the rigid supporting blades and the tube center of the inner tube body; the rigid supporting blades are distributed on the outer surface of the inner tube body, which corresponds to a central angle less than or equal to 180 degrees of the inner tube body; the number summation of the elastic supporting blades and the rigid supporting blades is 3-8; and the root parts of the elastic supporting blades are in single-sheet type. The invention is suitable to being used on a straight metal outer casing and a plant protecting machine with an arc bending pipe. When in use, the invention not only can prevent the followed running phenomenon, but also can prevent the inner tube body from being stuck with the rotating flexible shaft.

The invention relates to a rotary flexible shaft supporting tube with support blades having single-node diamond-annular sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the inner tube body has a circular tube shape; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; the section of each support blade is annular, and the section of the outer wall of each support blade is diamond; the wall thickness of each support blade is less than that of the inner tube body; the radius extended line of the inner tube body is superposed with a diagonal of a diamond consisting of the outer wall of each support blade; and in the section of the inner tube body and each support blade, an inner hole of each support blade and the outer wall of the inner tube body have an intersection. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort after being assembled and used.

The invention relates to a rotary flexible shaft supporting tube with support blades having triangular sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; the top end of each support blade is clamped, and the bottom end of each support blade is extended; each support blade is formed by connecting the top parts of a first blade single body and a second blade single body; the bottom parts of the first and second blade single bodies are both connected with the outer wall of the inner tube body; the wall thickness of each support blade is less than that of the inner tube body; and the distances from the tops of all support blades to a tube core of the inner tube body are the same. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging theservice life, and improving the operational comfort after being assembled and used; and the rotary flexible shaft supporting tube can be widely used as rotary flexible shafts of electric, pneumatic and fuel powered mechanical equipment such as equipment for plant protection, motor vehicles, automatic hydraulic equipment and the like.

The invention discloses an adjustment module for a fine adjustment machine, and relates to the technical field of waveform debugging of a filter. The adjustment module comprises a screw movement control device, a nut movement control device and a lifting control device. Vertical movement of the screw movement control device is controlled by the lifting control device. A nut is controlled by the nut movement control device to be tightly held in the rotation process of a screw, and following rotation of the nut is avoided. The screw movement control device achieves adjustment work of the screw and also has the screw rotation brake function, and when the nut is adjusted, the screw can be locked, and following rotation of the screw can be avoided. Nut brakes and screw brakes are arranged in different procedures, and therefore the phenomena of following rotation of the nut and following rotation of the screw are effectively avoided; corresponding programs are in cooperation to control movement, so that the situation that the adjustment precision is influenced by a clearance between a screw drive groove and an adjustment bit is effectively eliminated; the influence of downward press force applied to the screw by the bit in the debugging process on the adjustment precision is eliminated; and the adjustment precision is improved.

The invention relates to a locking device, a clutch and a washing machine, and relates to the washing machine technical field, thus solving the technical problems that an existing washing machine has belt noise, washing follow up rotation and unidirectional bearing failure; a housing is provided with a locking ring connected with the housing in one body; a clutch shaft is provided with a locking sleeve radially locked with the clutch and engaged in axial sliding; an input shaft is coaxially arranged in the clutch shaft of the clutch, and provided with a clutch sleeve; a shifting fork is movably arranged on the housing in a rotary manner through a lever fulcrum; when the shifting fork of the washing machine leaves the locking sleeve, the locking sleeve is separated from the locking ring under an elastic part effect, and engaged with the clutch sleeve in one piece; the locking device can improve clutch reliability, can effectively prevent clutch belt noise, can solve the washing machine follow up rotation phenomenon, thus improving washing machine service life, and simultaneously reducing clutch or washing machine production costs.

The invention relates to a rotary flexible shaft supporting tube with support blades having triangular-arc sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; the inner tube body has a circular tube shape; the top end of each support blade is clamped, and the bottom end of each support blade is extended; each support blade is formed by connecting the top parts of a first blade single body and a second blade single body; the bottom parts of the first and second blade single bodies are both connected with the outer wall of the inner tube body; the sections of the first and second blade single bodies are both arc; the wall thickness of each support blade is less than that of the inner tube body; the distances from the tops of all support blades to a tube core of the inner tube body are the same; and in the section of each support blade, the middle parts of the first and second blade single bodies are concave inwards or convex outwards simultaneously. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort after being assembled and used.

The invention relates to a rotating flexible shaft support tube. According to the technical proposal provided by the invention, the rotating flexible shaft support tube with a support blade provided with a Y-shaped cross-section comprises an inner tube body and three or more support blades which are integrally arranged on the outer wall surface of the inner tube body; the support blades extend onthe outer wall surface of the inner tube body along the length direction of the inner tube body; the bottom section of the support blade is a blade root part; the upper end of the blade root part is connected with two blade tip parts with an arc cross section and the blade tip part presents the shape that the thickness is gradually decreased from the bottom end part to the top end part thereof; two blade tip parts which are positioned at the top end part of one blade root part are connected with the blade root part into a whole; and two blade tip parts which are simultaneously positioned at the top end part of one blade root part form a support blade with a Y-shaped cross-section together with the blade root part. When in use, the support tube not only can prevent the occurrence of two-way heel rotating phenomenon, reduce vibration, and ensure comfortable operation, but also can avoid the over-clamping of the inner tube body and the rotating flexible shaft, and greatly prolong the service life; the support tube can be replaced easily, and the cost is reduced.

The invention discloses a rotating flexible shaft supporting tube formed by asymmetrically combing double-substrate type supporting blades, which comprises an inner tube body, elastic supporting blades and rigid supporting blades, wherein the elastic supporting blades and the rigid supporting blades are integrally and fixedly connected on the outer surface of the inner tube body and are respectively arranged along the length direction of the outer surface of the inner tube body; the distance between the top end parts of the elastic supporting blades and the tube center of the inner tube body is the same as the distance between the top end parts of the rigid supporting blades and the tube center of the inner tube body; the rigid supporting blades are distributed on the outer surface of theinner tube body, which corresponds to a central angle less than or equal to 180 degrees of the inner tube body; the number summation of the elastic supporting blades and the rigid supporting blades is 3-8; the cross section of the elastic supporting blade is closely annular; and a cavity is arranged in each elastic supporting blade. The invention not only can prevent the flowing rotation phenomenon, reduce the vibration and ensure the comfortable operation, but also can prevent the inner tube body from being locked with a rotating flexible shaft, greatly prolong the service life and has simple replacement and cost reduction.

The invention relates to a rotary flexible shaft supporting tube, in particular to a rotary flexible shaft supporting tube with support blades having cylindrical-annular sections. According to the technical scheme provided by the invention, the rotary flexible shaft supporting tube with the support blades having the cylindrical-annular sections comprises an inner tube body and three or more support blades, wherein the three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the support blades on the outer wall surface of the inner tube body extendalong the length direction of the inner tube body; the section of each support blade is annular, and the outer wall of each support blade is cylindrical; and the wall thickness of each support blade is less than that of the inner tube body. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort after being assembled and used; and the rotary flexible shaft supporting tube can be widely used as rotary flexible shafts of electric, pneumatic and fuel powered mechanical equipment such as equipment for plant protection, motor vehicles, automatic hydraulic equipment and the like.

The invention discloses a rotating flexible shaft supporting tube formed by asymmetrically combing double-substrate type supporting blades, which comprises an inner tube body, elastic supporting blades and rigid supporting blades, wherein the elastic supporting blades and the rigid supporting blades are integrally and fixedly connected on the outer surface of the inner tube body and are respectively arranged along the length direction of the outer surface of the inner tube body; the distance between the top end parts of the elastic supporting blades and the tube center of the inner tube body is the same as the distance between the top end parts of the rigid supporting blades and the tube center of the inner tube body; the rigid supporting blades are distributed on the outer surface of the inner tube body, which corresponds to a central angle less than or equal to 180 degrees of the inner tube body; the number summation of the elastic supporting blades and the rigid supporting blades is 3-8; the cross section of the elastic supporting blade is closely annular; and a cavity is arranged in each elastic supporting blade. The invention not only can prevent the flowing rotation phenomenon, reduce the vibration and ensure the comfortable operation, but also can prevent the inner tube body from being locked with a rotating flexible shaft, greatly prolong the service life and has simple replacement and cost reduction.

The invention relates to a dual-substrate triangular arc support-blade asymmetrically-combined rotary flexible shaft supporting tube, comprising an inner tube, elastic support blades and rigid support blades, wherein the elastic support blades and the rigid support blades are fixedly on and integrated with the outer surface of the inner tube, the distance between the top of the elastic support blades and the tube core of the inner tube is the same with the distance between the top of the rigid support blades and the tube core of the inner tube, the rigid support blades are arranged on the outer surface of the inner tube corresponding to the central angle of the inner tube less than or equal to 180 degree, the total number of the elastic support blades and the rigid support blades is 3-8, a cambered blade left petal and a cambered blade right petal form one elastic support blade, the bottom of the blade left petal and the bottom of the blade right petal are fixed on the outer wall of the inner tube, the top of the blade left petal and the top of the blade right petal are integrated into a whole, and the blade left petal, the blade right petal and the outer wall of the inner tube form a curved-edge triangle cavity. The invention has the advantages of no following rotation phenomenon, small vibration and greatly prolonged service life, and prevents the inner tube and the rotary flexible shaft from being stuck.

The invention relates to a rotary flexible shaft supporting tube with support blades having single-node elliptical-annular sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the inner tube body has a circular tube shape; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; the section of each support blade is annular, and the outer wall of each support blade has an elliptic cylinder shape; an inner hole of each support blade is tangential to the outer wall surface of the inner tube body; the wall thickness of each support blade is less than that of the inner tube body; the distances from the top parts of all support blades to an axis of the inner tube body are the same; and in the section of the inner tube body and the support blades, central lines of the support blades are arranged along the radial direction of the inner tube body. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort after being assembled and used.

The invention relates to a rotary flexible shaft supporting tube with support blades having single-node diamond-annular sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the inner tube body has a circular tube shape; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; the section of each support blade is annular, and the section of the outer wall of each support blade is diamond; the wall thickness of each support blade is less than that of the inner tube body; the radius extended line of the inner tube body is superposed with a diagonal of a diamond consisting of the outer wall of each support blade; and in the section of the inner tube body and each support blade, an inner hole of each support blade and the outer wall of the inner tube body have an intersection. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort after being assembled and used.

The invention relates to a rotary flexible shaft supporting tube with support blades having inclined triangular-arc sections, which comprises an inner tube body and three or more support blades. The three or more support blades are integrally arranged on the outer wall surface of the inner tube body; the support blades on the outer wall surface of the inner tube body extend along the length direction of the inner tube body; each support blade is formed by connecting the top parts of a first blade single body and a second blade single body; the sections of the first and second blade single bodies are both arc; the wall thicknesses of the first and second blade single bodies are both less than that of the inner tube body; the width of the first blade single body is greater than that of the second blade single body; the intersection angle formed between the first blade single body and the outer wall surface of the inner tube body is less than that formed between the second blade single body and the outer wall surface of the inner tube body; and the rotation directions of all first blade single bodies are consistent with those of all second blade single bodies. The rotary flexible shaft supporting tube has the advantages of effectively avoiding following rotation, reducing vibration, reducing noise pollution, preventing the rotary flexible shaft from being blocked, improving the work efficiency, prolonging the service life, and improving the operational comfort.