757 results about "Circlip" patented technology

The invention discloses an electric balance swingcar. The swingcar comprises a top cover, an inner cover, a bottom cover, hub motors, a rotating mechanism and a balance controlling mechanism, wherein each of the top cover, inner cover and the bottom cover comprises two parts which are symmetrically arranged and can rotate mutually; the inner cover is arranged between the top cover and the bottom cover and is cooperated with the top cover and the bottom cover together; the rotating mechanism is fixed at the middle transverse position of the inner cover; the hub motors which are vertically arranged are fixed at the border positions of the left side and the right side of the inner cover; the balance controlling mechanism is fixed on the bottom cover and is connected with the motors; the rotating mechanism comprises two bearings, an axle sleeve and two circlips, wherein the two bearings are respectively fixed at the inner ends of the two same parts of the inner cover, and the axle sleeve is fixed in the two bearings and is fixed on the inner cover through the circlips. The swingcar disclosed by the invention can solve the technical problem that a user controls the running state of the balance swingcar only by using feet.

An electrically powered hammer comprising a hollow cylindrical spindle mounted within a housing. A portion of the spindle is formed with a plurality of circumferentially spaced holes and a corresponding number of peg elements are fitted to the spindle, such that each peg element extends through a corresponding hole in the spindle and radially inwardly of the internal surface of the spindle, in such a way that the peg elements together form an axial stop for one or more additional hammer components located within the spindle. Each peg element may alternatively or additonally extend radially outwardly of the corresponding hole in the spindle, in such a way that the peg elements together form an axial stop for one or more additional hammer components located around the spindle. The axial stops formed by the peg elements can replace circlips, which are generally used to form the axial stops.

A rod guide assembly for a shock absorber includes a seal assembly which is biased towards a sealing surface on the rod guide by a biasing member which is located between the seal assembly and the bearing which is assembled to the rod guide housing. The biasing of the seal assembly prohibits movement of the seal assembly during operation of the shock absorber. In addition, a wire circlip which radially biases the seal assembly can be included.

The invention relates to a pneumatic-muscled bionic joint based on a universal-joint parallel mechanism. The pneumatic-muscled bionic joint mainly structurally comprises a support rod, a fixed end platform, connecting shafts, deep groove ball bearings, pneumatic muscles, universal joints, a front arm platform, internal circlips, and round nuts. When the pneumatic-muscled bionic joint operates, rubber tubes are inflated and expanded by inflating the pneumatic muscles and act on a woven net; weaving angle of lines of the woven net increases, the pneumatic muscles are driven to axially contract; the front arm platform can rotate at three rotational degrees of freedom by inflating one, two or three pneumatic muscles respectively. The pneumatic-muscled bionic joint is simpler in structure, light in weight, good in flexibility and low in cost; space for movement poses is large, the movement range is more approximate to that of human arms, compliance of a mechanism is enhanced accordingly, and pose adjustment range is enlarged. By the use of the pneumatic-muscled bionic joint in the field of medical rehabilitation, functional rehabilitation can be improved for old people or people with upper arms disabled.

The invention discloses a floating-type cushion cylinder, comprising a cylinder barrel, a cylinder bottom head, a piston rod and a piston; wherein, the piston rod is extended back to front; a back end surface of the piston rod is provided with a cushion plunger which is in integral structure with the piston; the cylinder bottom head is provided with stepped holes which are located on the same axes with the piston rod; the diameter of a small hole of the stepped holes is larger than the external diameter of the piston rod, while a big hole of the stepped holes is internally provided with a cushion collar and an internal circlip which is used for preventing the cushion collar from sliding out in a floating manner; the cushion collar is provided with a cushion hole; a cushion gap is formed between the excircle of the cushion plunger and the cushion hole after the cushion plunger is driven by hydraulic oil to enter into the cushion hole. In the invention, the cushion collar is designed in a floating type, so when entering into the cushion hole, the cushion plunger can be automatically centered to reduce the cushion gap, thus having better cushion effect, effectively preventing striking when the cylinder cushion retracts to the cylinder bottom; and the cylinder has fine initiation. The invention is simple in structure and strong in practicability.

The invention discloses a circlip automatic pressing device and a pressing method thereof. The device of the invention comprises a pressing main body (1), wherein the pressing main body (1) comprises a Z-shaped base (2); a cylinder (4) is arranged above an upper transverse plate (3) of the base (2); a pressing piece (5) is fixed on a pushing head of the cylinder (4); a pressing piece groove (6) is arranged on the upper transverse plate (3) of the base (2); the pressing piece groove (6) vertically passes through a vertical plate (7) of the base (2); a fixing plate (9) is arranged at the tail end of a lower transverse plate (8) of the base (2); a guide rod (10) passes through the fixing plate (9); a spring (11) is sleeved on the guide rod (10); a pushing plate (12) is fixed at the end part of the guide rod (10); and the pushing plate (12) pushes a circlip to be strung on the pressing piece groove (6). The invention can greatly improve the pressing efficiency of the circlip on a rotor shaft, is suitable for industrialized mass production, improves the assembly accuracy of the circlip, and ensures the quality of finished products of rotors.

The invention discloses a device for locking a high-speed bearing. The device comprises a locking screw nut, a lock washer and an elastic collar, wherein the locking screw nut comprises a main body which is screwed with outer threads in a shaft; first anti-loose teeth parallel to the axis are arranged on the outer threads; a plurality of convex blocks which face outwards in the radial direction and the axial direction are arranged on the outer circumference wall of the main body; a groove for accommodating the elastic collar is formed in the inner wall of the axial part of the convex blocks; a plurality of radial bosses are formed in the outer circumference wall of the lock washer; a notch for accommodating the radial bosses is formed between every two adjacent convex blocks; second anti-loose teeth meshed with the first anti-loose teeth are arranged on the inner side wall of the lock washer; the outer diameter of the lock washer is smaller than or equal to the largest distance between the inner walls of the parts facing outwards in the axial direction, of two convex blocks; the distance between the inner side walls close to the end parts of the parts facing outwards in the axial direction, of the convex blocks, of the groove to the end surface where the main body is connected with the convex blocks, is greater than or equal to the sum of the thicknesses of the lock washer and the elastic collar. The device has the advantages that the locking moment is not changed.

The invention discloses a split plunger device for non-shut-in continuous production and aims to achieve periodic liquid lifting using self-energy of a gas well and increase productivity. The split plunger device is composed of an underground buffer device, a split plunger and a wellhead buffer device. Specifically, the split plunger device comprises a buffer spring, a guide tube, a seating device, the split plunger, tapered seal rubber tubes, a seal tube, a fishing head, a slip, a drop bar and the like, wherein a connecting shaft is sleeved with the buffer spring and the guide tube, the guide tube is sleeved with the seating device which is connected with a wire circlip, the fishing head and the slip are connected with a body, and the drop bar is connected with a body connecting bar. The plunger of the split plunger device lifts liquid to a wellhead, splits up after being impacted by the wellhead buffer device, falls back to a down hole to seal again; under the condition of non-shut-in continuous production, the plunger device moves to and fro to periodically lift the liquid inside an oil tube by the aid of self-energy of the gas well. The split plunger device has the advantages that productivity can be improved, the shut-in limitation of the conventional plunger production is broken through, bottom hole accumulating liquid is discharged, and gas yield of the gas well is increased.

The invention relates to the technical field of machining, in particular to a novel motor rotor automatic circlip pressing machine. The machine comprises a machine frame. The machine frame is provided with a conveying device used for conveying rotors and a circlip pressing device. The conveying device comprises a chain and rotor supports, wherein the rotor supports are arranged on the chain and used for carrying the rotors, and the top of each rotor support is provided with a supporting groove; the circlip pressing device comprises a pair of circlip pressing mechanisms, wherein the circlip pressing mechanisms are arranged on the two sides of the chain respectively and enable two circlips to be pressed at the two ends of a rotor shaft respectively at the same time. Each circlip pressing mechanism comprises a jacking supporting block used for supporting the rotors and a horizontal positioning block, wherein the horizontal positioning block abuts against the rotors at the end of the rotor shaft, can position the rotors jacked by the jacking supporting block and can move in the horizontal direction. The novel motor rotor automatic circlip pressing machine is fast to install, high in rotor conveying and circlip pressing efficiency, high in automation degree, little in manpower investment and high in work efficiency.

A device for adjusting moving blades of an axial flow fan is mainly composed of the moving blades, transmission parts, a hub, a hydraulic transmission system and a control panel. The device is characterized in that the transmission parts penetrate through blade installing shaft holes in the hub to be connected with the moving blades in a locking mode through high-strength bolts; the transmission parts are characterized in that corresponding transmission shafts are sequentially sleeved with second single-row radial ball bearings, first single direction thrust ball bearings, second single direction thrust ball bearings, bearing pressing sleeves, round nuts, connecting rod bodies, shaft circlips and first single-row radial ball bearings, rotating shafts are installed on the connecting rod bodies and locked by hexagon thin nuts, and third single-row radial ball bearings are installed on the rotating shafts; an inner core of the hub is sleeved with the control panel, and the third single-row radial ball bearings drop between the control panel and pressing plates; the control panel is connected with the hydraulic transmission system. The device for adjusting the moving blades of the axial flow fan is simple in structure, low in cost, and flexible to adjust, and whole rotational inertia of impellers is small.

The present invention is directed to decrease the impact sound of the ratchet mechanism generated at the time of piston retraction. The tensioner includes a piston 3 slidable in the piston bore 2a of the housing 2 and an expandable circlip member 5 engageable with the engagement groove 3a of the piston 3. The piston bore 2a has a guide groove 20 formed therein that has front and rear stop surfaces 20a, 20b adapted to contact the circlip member 5. The engagement groove 3a is formed by a round seat portion S₀ that the circlip member 5 is adapted to seat, a piston-retraction restricting portion S₀S₁ that is formed on front side of the round scat portion S₀ and a piston-advance permitting portion S₀S₂ that is formed on the front side of the round seat portion S₀. The piston-retraction restricting portion S₀S₁ permits the circlip member 5 to travel a short distance toward the front side along the rear side stop surface 20b to allow for an enlargement of the circlip member 5 and to restrict retraction of the piston 3 when the piston 3 retracts and the circlip member 5 contacts the rear side stop surface 20b of the guide groove 20.

A torque overload clutch for an electrical power tool, such as a percussion hammer drill, is provided. The clutch is accommodated in a cavity in a gear cog. Spring washers are used to urge ball bearings into indentations formed in the base of the cavity. The ball bearings are accommodated in cavities formed in a drive plate which engages with the spindle drive of the power tool. The spring washers are held in position by a circlip or a threaded plate. The threaded plate arrangement provides means for compressing the spring washers with a consistent force across a manufactured batch. A method of manufacturing the clutch is also disclosed.

An anti-theft clasping clip comprises a pair of clasping circlips and an iron clamping plate. At two ends of the clasping circlip there is a nut and a bolt. The iron clamping plate includes two pieces of iron plates and three pairs of bolts and nuts. It also includes three anti-theft nut caps consisting of a ring metal sleeves, a plastic bushings and open spring rings and they are sleeved closely on the nuts at two ends of the clasping circlip and on the nut in the centre of the iron clamping plate, thus, using common tools is unable to take down the anti-theft nut cap.

The invention discloses a maritime buoyancy tank combined type adjustable fitting convenient for the buoyancy tank assembly operation in maritime storms. The invention consists of a woggle connector and a shearing force connector. The woggle connector consists of two woggle connector seats, a long monaural slide block and a short monaural slide block, a long monaural connecting shaft, a short monaural connecting shaft, a connecting board, a circlip for shaft, a brake pin and an eyebolt. The two ends of woggle connector seats are provided with push-pull cut openings for the brake pin. The long monaural slide block is connected with the long monaural connecting shaft. The short monaural slide block is connected with the short monaural connecting shaft. The connecting shafts are respectively fixed on the connecting board. The end surfaces of the connecting shafts are respectively provided with the circlip for shaft. The brake pin is arranged in the push-pull cut openings for the brake pin. The end part of the woggle connector seat is fixed with the eyebolt. The shearing force connector consists of a round tube for the connector A fixed on the connector A seat and a semi-circle sleeve for the connector B fixed on the connector B seat. The invention realizes the redistribution of an external load in the inner part of the joint, simplifies the stress mode of the connectors as much as possible, realizes 'labor division loading' and improves the overall loading capacity of the adjustable fitting.

The invention relates to a floating positioning device, which comprises an installation base plate, wherein an elastic retainer ring for a shaft is fixedly connected to the installation base plate; a through hole with a step is formed on an axis part of the elastic retainer ring for the shaft; a screw is arranged in the through hole; a positioning pin is arranged on the head part of the screw; a blind hole is formed at the bottom of the screw; a spring is arranged between the installation base plate and the blind hole; a protective cover is arranged on the elastic retainer ring for the shaft and the screw; a limit pin groove is formed on the screw; a pin hole is formed in the elastic retainer ring for the shaft; and a limit pin is arranged in the pin hole, and one end of the limit pin extends out of the pin hole to be positioned in the limit pin groove. By using the structure, floating ejection and positioning modes are combined together, so that the positioning and floating ejection functions of small parts can be extremely easy to realize; the protective cover is used for preventing dust, so the service life of the floating positioning device is prolonged; and the pin is used for limiting, so that the screw is prevented from hurting working personnel after being ejected out due to damages.

The present invention is an electronic circuit experiment board, which is composed of an insulated base plate, copper binding posts and a bracket and so on. The base plate is divided into an upper plate and a lower plate, which have binding post inserting holes and circlips. The binding posts can be inserted into the binding post inserting holes and then be fastened by the circlips. There are a binding hole and a screw hole on the ends of the binding posts respectively. The binding post also includes a screw lever cooperated with the screw hole, a positioning groove and a positioning ring. The experiment board has the advantages of good contact performance, convenient to use, high experimental efficiency, long service life and strong ability of splicing and dilatancy, arranging elements in double sides, and multilayer wiring in electronic circuit.

The invention relates to a universal stepless angle regulator which belongs to automobile seat accessories. The universal stepless angle regulator comprises a fixed tooth plate, eccentric blocks, an eccentric retaining ring, internal teeth, a circlip, a swing tooth plate and a closed loop, wherein the fixed tooth plate is provided with a first axle hole, a first concave cavity, a first connection boss, a gear ring and an eccentric block seat; the eccentric blocks are a first eccentric block and a second eccentric block, and a pair of first and second retaining grooves, first and second eccentric holes, and first and second circlip grooves are arranged on the first and second eccentric blocks; the eccentric retaining ring is provided with a second axle hole, a pair of eccentric link stoppers, an abdicating groove and an eccentric axle seat; an annular gear is provided with a third axle hole and the internal teeth; a pair of circlip feet are arranged at the open end of the circlip; the swing tooth plate is provided with a fourth axle hole, a second concave cavity, a second connection boss and a tooth socket; and the closed loop is wrapped on the peripheries of the outer edges of the fixed tooth plate and the swing tooth plate. The invention has the advantages of simple structure, small clearance, small carry-over moment, no deflection angle, reliable locking, high strength, easy assembly, wide applicability and favorable universality, and can ensure reliable connection to a seat.