143 results about "Balance spring" patented technology

The invention provides a cable installation mechanism with a shield, and relates to the technical field of cable installation. Two locking mechanisms are further included, each locking mechanism comprises a fixing cylinder, the cable is in sliding connection with the fixing cylinder, multiple sets of locking grooves are formed in one end of the fixing cylinder, a rotating groove is formed in the other end of the fixing cylinder, multiple sets of balance springs are arranged in the rotating groove, multiple sets of sliding grooves are formed in the fixing cylinder, and a hexagonal groove is formed in the outer side wall of the fixing cylinder. A locking ring is rotationally connected into the rotating groove, multiple sets of unlocking grooves are formed in the locking ring, the multiple sets of balance springs correspond to the multiple sets of unlocking grooves in a one-to-one mode, the two ends of each balance spring are fixedly connected with the inner side walls of the unlocking grooves, and multiple sets of friction strips are arranged on the outer side wall of the locking ring. The problem that a cable body, a shielding pipe and a corrugated pipe need to be fixed separately in traditional cable installation is solved, an integrated synchronous locking mechanism is designed, and one-time rapid synchronous locking of the cable, the shielding pipe and the corrugated pipe is achieved.

The invention discloses an auxiliary instrument for a soft endoscope, which comprises an operating part and a working part, the working part comprises a sheath tube part, a bending part and a forceps head part which are sequentially connected from a near end side to a far end side, and the auxiliary instrument is characterized in that the operating part comprises a steering control mechanism and a forceps head control mechanism; wherein the steering control mechanism can control the bending part to conduct multi-degree-of-freedom surrounding bending so as to drive the plier head part to be bent, and the plier head control part can control the plier head part to be opened and closed; the steering control mechanism comprises four steering traction wires, a steering push rod, a guide hemisphere, a hemisphere seat, a ball rod, a supporting frame, a balance spring, a pressing ring, a locking ring and an O-shaped ring,

A mechanical timepiece includes: a hairspring; a permanent magnet; a soft magnetic core; a control circuit for performing rate adjustment based on a counter-electromotive voltage caused in a coil by a motion of the permanent magnet accompanying a forward direction motion and a reverse direction motion of the balance wheel. The permanent magnet is arranged so that, under a state in which the hairspring is brought to an equilibrium length, a direction of magnetization is directed to the first end portion side or the second end portion side.

A method for manufacturing a batch of horological balance springs (2a), the average of whose stiffnesses lies within a predetermined range, includes forming in a wafer the horological balance springs (2b, 2c) with dimensions that differ from the dimensions required to obtain the batch of horological balance springs (2a), the average of whose stiffnesses lies within said predetermined range; determining the stiffnesses of said systems; computing a dimensional correction to be applied to the horological balance springs; andmmodifying the dimensions of the horological balance springs (2b, 2c) formed, on the basis of a dimensional correction computed to obtain the batch of horological balance springs (2a).

A balance-spring stud holder includes a clamping part defining three contact zones intended to press against a lateral wall of a projecting part of the balance bridge, a first contact zone being connected to a second contact zone by a first part and to the third contact zone by a second part of the clamping part. The first part has a first stiffness at a second median point of the second contact zone, relative to a first median point of the first contact zone, which is greater than three times a second stiffness that the second part has at a third median point of the third contact zone relative to the first median point of the first contact zone. The first stiffness can be seven times greater than the second stiffness.

The utility model provides a hairspring flatness inspection fixture relates to hairspring inspection technical field, including clamp station, the clamp station top end along the length direction one side is equipped with hairspring inspection groove, both ends of hairspring inspection groove all are installed and go in and out material clamp, be installed between hairspring inspection groove and inspect clamp station, the in -out material clamp includes first shaft roll, first shaft roll has two and is parallel to up and down, first shaft roll rotation is installed in first axle seat, and the top of first axle seat is installed with lifting assembly, and the lifting assembly is driven to make the upper inspection head close / away from second shaft roll through first air cylinder and lift inspection head, the utility model discloses a hairspring flatness inspection fixture structure design is reasonable, and the setting of lifting assembly and first air cylinder makes the operation more convenient, and the operator only needs simple operation to complete the loading of hairspring, detection and taking out process, reduces the operation difficulty, improves work efficiency.

The invention relates to the technical field of plastic forming equipment, in particular to an embedded self-adaptive electric pulse auxiliary rolling or straightening device which comprises a rack, pressing wheel set supports and an electrifying assembly, the front pressing wheel set support and the rear pressing wheel set support are embedded in the rack, and the front pressing wheel set support and the rear pressing wheel set support are connected through a balance spring. The electrifying assembly is fixedly connected between the pressing wheel set supports on the left side and the right side of the rolling mill. The pressing wheel set supports are fixedly connected with the rack through the connecting bolts, when a rolled plate passes through the electrifying assembly, the pressing wheel set supports rotate in a self-adaptive mode along with the electrifying assembly with the connecting bolts as the center, the plate is made to be precisely attached to the electrifying assembly all the time, and the front pressing wheel set support and the rear pressing wheel set support are connected through the balance springs to achieve compression and rebounding of the pressing wheel set supports. When plates with different thicknesses are rolled, the electrifying assembly is precisely attached to the plates to guarantee stable electrifying.

Strut (10) which includes: a first end (12), a second end (14), a cylinder (16) and a piston (18), wherein the piston (18) is mechanically coupled to the first end (12) and the cylinder (16) is mechanically coupled to the second end (14); a fluid chamber (26) formed between the cylinder (16) and the piston (18); a first fluid passage (36) that fluidically couples the fluid chamber (26) and a fluid reservoir (22); a second fluid passage (38) which fluidically couples the fluid chamber (26) and the fluid reservoir (22) via a check valve (40); and wherein the check valve (40) has an open pre-tensioned, movable valve element (42) which is coupled to a balance spring (41); wherein the movable valve element (42) interacts with a valve seat (43) to control fluid flow through the second fluid passage (38); and wherein the movable valve element (42) responds to a pressure from the balance spring (41); characterized in that the first fluid passage (36) includes an annular gap (25) formed between the cylinder (16) and the piston (18).

The utility model discloses a switch self-reset mechanism which comprises an inner button, a shifting block, a switch shifting arm and a reset spring used for applying forward thrust to the inner button, a hinge shaft head is movably arranged in a corresponding hinge limiting hole, the upper side and the lower side of the shifting block are respectively and correspondingly provided with a balance elastic piece, and the balance elastic piece comprises an elastic piece body. The rear portion of the elastic piece body is attached to the shifting block through the elastic restoring force of the elastic piece body, the balance elastic piece comprises a handle piece part, the handle piece part is clamped between the corresponding elastic piece positioning block and the bottom of the groove, and the switch self-resetting mechanism is beneficial for enabling the switch to act flexibly and stably. Meanwhile, the switch function piece and the self-reset switch provided by the utility model comprise the switch self-reset mechanism, so that the switch action is flexible and stable.

A device (6) for autonomous adjustment of the active length of a spiral (5), for oscillators (4, 5) of the balance-spiral type, comprising a cock (12) mounted on a plate (13) of a horological movement (2) and in which a balance shaft pivots, the spiral (5) including an inner end secured to the balance shaft and an outer end secured to a balance spring stud (8) fastened to a balance spring stud holder (10), the balance spring stud holder (10) being pivotably mounted on the cock (12) concentrically to the balance shaft, and means for modifying the active length of the spiral (5).

The invention relates to a method for detecting a hairspring or a hairspring blank arranged as a hairspring, the hairspring having to have at least one preset oscillation frequency, the method comprising the following steps: a. applying a time-varying vibration excitation to the hairspring or the hairspring blank to cover a preset frequency range; b. determining at least one characteristic of the oscillation frequency of the hairspring or the hairspring blank, such as a resonance peak, during the vibration excitation in the preset frequency range; c. providing the oscillation frequency characteristic determined in step b to a prediction machine to determine the stiffness of the hairspring or the hairspring blank and / or to determine whether a dimensional correction of the hairspring or the hairspring blank is required to achieve the preset oscillation frequency.

The utility model discloses a novel spring type pressure gauge, which relates to the technical field of pressure monitoring and comprises a shell, a lining is arranged in the shell, a dial plate is mounted on the lining in a matched manner, a bottom plate is fixedly mounted in the shell, a limiting seat and a positioning seat are arranged on one side of the bottom plate, a gear fixing seat is mounted on one side of the positioning seat in a matched manner, and a spring is arranged on the gear fixing seat. A transmission gear is installed between the gear fixing base and the bottom plate in a matched mode, a pointer is fixedly matched with the upper end of the transmission gear, a hairspring is installed on the lower side of the bottom plate in a matched mode, and the hairspring and the transmission gear are arranged in a matched mode. According to the utility model, a copper pipe pressure gauge with high requirements is abandoned, and the spring is adopted, so that the pressure gauge is low in selling price, has good impact resistance and adaptability, and can be put into use by replacing the corresponding spring when the error is too large after the pressure gauge is used for a period of time, thereby greatly reducing the maintenance cost of the pressure gauge.

A mechanical movement impact resistance testing tool comprises a test support, a test base plate, a pendulum clamp, a shock absorber unit, and a position limiting assembly. The test support is provided with at least one mounting hole. The test base plate is fixed in the mounting hole. The upper surface of the test base plate is provided with a groove for receiving a balance wheel. The bottom surface of the groove is provided with a recess for receiving two discs. The bottom surface of the recess is provided with a middle hole for inserting the lower shaft tip of the balance shaft. The bottom surface of the recess is provided with a positioning hole for inserting a disc nail. The pendulum clamp is fixed to the test base plate and forms a cantilever above the groove. The shock absorber unit includes a shock absorber mounted on the cantilever. The lower surface of the shock absorber is provided with a socket for allowing the upper shaft tip of the balance shaft to enter the center hole of the shock absorber. The position limiting assembly includes an outer stud fixedly connected to the shock absorber and an inner clamp. The bottom of the outer stud is provided with a first slit for receiving the end of a hairspring, and the bottom of the inner clamp is provided with a second slit for receiving the outermost arc portion of the hairspring. An assembly method for the mechanical movement impact resistance testing tool is also disclosed.

The utility model relates to a watch movement and a watch. The watch movement comprises a mechanical resonator composed of a balance wheel and a balance spring; means for setting the oscillation frequency of the mechanical resonator; and a mechanism for setting a guide mark on the mechanical resonator. The moving member of the setting device includes a mechanism for attaching the outer end portion of the hairspring and a mechanism for defining the effective length of the hairspring. The mechanism for varying the effective length includes a first gear carried by the moving member and a first tooth arranged along the outer end portion of the hairspring, the first gear meshing with the first tooth. The fastening mechanism retains the outer end portion by friction so that the first gear can drive the outer end portion via the first teeth and thus change the effective length of the hairspring. The first gear is in meshing relationship with a second gear that is integral with the resonator support such that when the outer end portion undergoes angular displacement in a selected direction relative to the moving member, the moving member is simultaneously angularly displaced by a corresponding angular distance in an opposite direction.

A method for manufacturing an oscillator for a timepiece made from a balance and a balance spring, the method including measuring the average moment of inertia of a batch of balances; providing pinned up balance springs, the balance springs having an excess number of coils forming up to three more turns than the final number of coils; making a first predetermined external cut of the balance springs over a length of one to two coils, then measuring the torque of the balance springs and sorting them according to the value of the measured torque; assembling the balance springs, whose measured torque corresponds to the balances, are assembled to form an oscillator with an intermediate frequency and to determine the length to be cut to achieve the desired oscillation frequency; making a second external cut of the balance springs selected to achieve both the desired oscillation frequency and a target value.

The invention discloses a tourbillon structure of a mechanical watch with counterweight compensation, and relates to the technical field of mechanical watch application, the tourbillon structure comprises a frame plate, a first direction shaft, an outer tourbillon, a second direction shaft, an inner tourbillon, an escapement mechanism and a transmission system, the outer tourbillon is rotatably connected with the frame plate through the first direction shaft, and the outer tourbillon is rotatably connected with the frame plate through the second direction shaft; the outer tourbillon is rotatably connected with the inner tourbillon through a first direction shaft, the axis of the outer tourbillon is perpendicular to the first direction shaft, the inner tourbillon is rotatably connected with the outer tourbillon through a second direction shaft, the escapement mechanism is arranged on the inner tourbillon, and the escapement mechanism comprises an escapement wheel, an escapement fork and a hairspring balance wheel. And in combination with an inertia fine adjustment mechanism on the balance wheel, collaborative optimization is performed from two levels of frame dynamic balance and speed regulation period, so that the problem of uneven mass distribution easily caused by a complex structure of the double-shaft tourbillon is effectively solved, and frictional resistance and unnecessary energy loss of the rotating frame are remarkably reduced.

The utility model provides an automobile horn air bag hairspring pressing force and pressing stroke detection device comprising a rack, the rack is provided with a rotating disc, the rotating disc is provided with at least one positioning carrier, the positioning carrier comprises a supporting seat, the bottom of the supporting seat is provided with a first contact pin group, and the first contact pin group is provided with a second contact pin group. A jacking mechanism is arranged at the position, corresponding to the positioning carrier, of the lower portion of the rotary disc, the output end of the jacking mechanism is connected with a second pin set, and the jacking mechanism drives the second pin set to ascend to be electrically connected with the first pin set. According to the device, the positioning carrier is placed on the turntable, and the liftable second contact pin group is arranged at the lower part of the turntable, so that when the carrier rotates to a preset station, butt joint can be realized, and when a horn air bag hairspring assembly is pressed, a contact at the lower part of the assembly can be conducted with a conduction column and a power supply, so that a structure mounted on a steering wheel is simulated by pressing sound; and a pressure sensor and a displacement sensor which are arranged on the pressing device are matched, so that the pressing force and the stroke can be detected.

A modular wheeled mobile ultrasonic structure detection apparatus is disclosed, including a mobile detection platform, at least one ultrasonic detection roller, at least one ultrasonic sensor, and a steering balance mechanism including a connecting arm and at least one balancing apparatus; the balancing apparatus includes a balancing cylinder hinged to the connecting arm, a balancing spring provided in the balancing cylinder, and a steering linkage hinged to the mobile detection platform, a piston being connected to one end of the steering linkage away from the mobile detection platform and the balancing spring being in contact with the piston; and the piston can move along a length direction of the balancing cylinder and thereby define a direction of the steering linkage. When the structure surface fluctuates, bends, or turns, the mobile detection platform can rotate relative to the connecting arm to change the moving posture to adapt to various complex detection conditions. A mobile carrier can pull the detection apparatus in a moving state to realize the non-contact continuous acquisition of ultrasonic waves between the ultrasonic sensor and the structure surface.

A mechanical timepiece includes a spring, a balance, an oscillation circuit, a speed governing mechanism configured to include a permanent magnet and a coil, one of the permanent magnet and the coil being held by the balance, an external magnetic field detection mechanism configured to detect an external magnetic field, a vibration detection mechanism configured to detect vibration of the balance and output a vibration detection signal, a speed governing control mechanism configured to output a drive pulse to perform processing for governing the balance, a power storage mechanism configured to store electric energy, and a generator configured to generate the electric energy. The speed governing control mechanism changes a processing content of the speed governing of the balance in accordance with a detection result of the external magnetic field.

The utility model discloses a metal material punching positioning clamp, which relates to the technical field of metal material processing, and comprises a punching machine and a support frame, a positioning bracket is arranged in the support frame, a positioning pressing block is arranged above the positioning bracket, and the positioning pressing block applies pressure to a blank along with the punching action of the punching machine. A positioning clamp fixedly arranged on an existing punching machine is changed into a supporting plate structure arranged through a balance spring, a blank is symmetrically supported, positioning of the blank and the punching end can be automatically corrected according to elastic force adjustment of the balance spring, in addition, a positioning pressing block is arranged through a positioning bracket, and the positioning pressing block reciprocates along with punching action, so that punching precision is improved. The feeding space cannot be affected, abutting positioning can be formed on the blank before punching, and the situation that the precision is affected due to movement of the blank caused by point stress at the moment of punching is avoided.

A regulating member for a horological movement including an inertial mass, for example a balance, a balance spring, and an index-assembly system for adjusting the rate of the balance spring, the index-assembly system including a stud-holder including a first portion and a second portion, the first portion being movable relative to the second portion, wherein the regulating member includes locking device configured to block the second portion of the stud-holder in one position with respect to a plate of the movement.

A multi-point foam pressure maintaining device comprises a base, and a pressure maintaining area, a feeding and discharging area and a translation assembly are arranged on the base. A pressure maintaining base is arranged on the translation assembly, a positioning groove is formed in the upper end of the pressure maintaining base, and a positioning jig is arranged in the positioning groove; a pressure maintaining mechanism is arranged above the pressure maintaining area and comprises a fixing frame connected with the base, a downward pressing drive is arranged on the fixing frame, the output end of the downward pressing drive is connected with a horizontal pressing plate, a floating pressing plate is arranged below the horizontal pressing plate, at least two pressing heads are arranged at the lower end of the floating pressing plate, and at least two balance guide columns are arranged on the upper end face of the floating pressing plate. The upper end of the balance guide column penetrates through the horizontal pressing plate and is in sliding connection with the horizontal pressing plate, the balance guide column is sleeved with a balance spring, and the two ends of the balance spring abut against the horizontal pressing plate and the floating pressing plate respectively. Through the design of the balance guide columns and the balance springs, it is ensured that the floating pressing plate can be automatically adjusted in the pressure maintaining process, the pressure of all the pressing heads is kept balanced, and uneven pressure caused by the uneven surface of a product is avoided.

This utility model relates to the field of nondestructive testing technology and discloses a permeation fixture for PT testing of existing pipelines. It includes a base, a central shaft, a central spring, and two opening and closing mechanisms. The central shaft is slidably connected to the base, and the two opening and closing mechanisms are symmetrically arranged on both sides of the central shaft. Each opening and closing mechanism includes a cavity tile, a balancing swing assembly, and a guide wheel. One end of the cavity tile is rotatably connected to the central shaft, and the guide wheel is rotatably mounted on the base. The outer wall of the cavity tile abuts against the guide wheel, and the two cavity tiles can be fastened together to form a hollow cylindrical immersion section. The balancing swing assembly includes a connector, a swing rod, and a balancing spring. The balancing swing assembly and the central spring work together to allow the two cavity tiles to adaptively lock in both open and closed states. This permeation fixture can establish an immersion environment at the location of the pipe section to be tested in an existing pipeline. Permeation fluid is applied to the outer wall of the pipe section to be tested through immersion, ensuring uniform application of the permeation fluid. It can also be directly connected to feeding equipment such as robotic arms, which helps improve testing efficiency.

A regulator hand, movement, and timepiece. This device can facilitate hairspring maintenance. The regulator hand of the present invention comprises an inner clip having a pair of legs, with the hairspring play fitting within the gap between the legs; a regulator body that holds the inner clip; and an outer clip having a mounting portion and a receiving portion. The mounting portion is detachably attached to the inner clip or the regulator body, and the receiving portion prevents the hairspring from being dislodged from the legs.

The application discloses a vacuum equipment and a vacuum valve device, which comprises a valve plate, a rotating shaft and two or more than two balance springs; the valve plate is arranged opposite to a valve port and is connected to the rotating shaft through a connecting arm; the rotating shaft rotates circumferentially to drive the valve plate to close or open the valve port; the connecting arm and the valve plate are rotatably connected through a hinged shaft, and balance springs are arranged on both sides of the rotating direction of the hinged shaft; during the closing process of the valve plate, the two ends of the balance springs are respectively abutted against the connecting arm and the valve plate, so that the upper part and the lower part of the sealing ring simultaneously contact the sealing surface of the valve port. During the closing process of the valve plate, the balance springs can make the upper part and the lower part of the sealing ring simultaneously contact the sealing surface of the valve port, so that local wear of the sealing ring of the valve plate can be avoided, and the vacuum sealing property is ensured.

Disclosed is a method for adjusting an adjustment system (100) comprising:-an oscillator (2), in particular a balance (21)-hairspring (22) oscillator, comprising an inertial element (21) and a return spring (22) pivoting about a pivot axis, and-an escapement (3), in particular a double-pulse escapement, in particular a Swiss fork tile escapement (3), in order to facilitate and / or balance the restart of the adjustment system, the adjustment method comprises:-a step of adjusting the guide marking setting, in particular to a non-zero value, and / or-a step of adjusting the input depth of the pallet pin (31) in the escapement wheel (32), and / or-a step of adjusting the output depth of the pallet pin in the escapement wheel.

A regulator of the present disclosure includes a regulator pin having a pair of leg portions in which a hairspring is loosely fitted in a gap between the pair of leg portions, a regulator body configured to hold the regulator pin, and a pin support having an attachment portion that is detachably attached to the regulator pin or the regulator body, and a receiving portion that prevents the hairspring from being detached from the pair of leg portions.

The invention relates to a timepiece movement (1) having an oscillating system (3) which is or can be arranged within a housing (2) and is intended for controlling or regulating the speed at which the timepiece movement (1) runs, comprising a main body (4), which constitutes the oscillating weight of the oscillating system (3) and is rotatably connected to a structure of the timepiece movement, also comprising a hairspring (5), and further comprising a fine-adjustment mechanism (6), which is rotatably coupled to the structure of the timepiece movement and is intended for setting the frequency of the oscillating system (3) in order for the timekeeping accuracy of the timepiece movement (1) to be finely adjusted, wherein the fine-adjustment mechanism (6) has a regulator (7) with a drive assembly (8); the drive assembly (8) is designed to act on the stiffness of the hairspring (5); and the drive assembly (8) is set up so that the energy required for operating the drive assembly (8) is obtained from outside the housing (2). The invention also relates to a setting device and to a timepiece (50).

This utility model discloses a parts mounting device for producing airbag hairsprings, including a frame with a turntable on the frame and multiple workstations on the turntable. Around the corresponding workstations on the turntable, a spring mounting mechanism, a limiting component mounting mechanism, and a snap-fit ​​mounting mechanism are sequentially arranged on the frame. The spring mounting mechanism is used to install springs onto the workpiece, the limiting component mounting mechanism is used to install limiting components onto the workpiece, and the snap-fit ​​mounting mechanism is used to install snap-fits onto the workpiece. This utility model's parts mounting device for producing airbag hairsprings is easy to use. By setting a turntable on the frame and the spring mounting mechanism, limiting component mounting mechanism, and snap-fit ​​mounting mechanism sequentially distributed around the turntable, it achieves automated mounting of various parts during the airbag hairspring production process.