64 results about "Contact mechanism" patented technology

This invention discloses a welding device and process for steel manufacturing, relating to the field of steel pipe welding technology. The device includes: a rotating base on which a steel pipe body is centrally placed; an outer welding mechanism is circumferentially mounted on the rotating base; and a liftable inner welding mechanism is suspended above the rotating base. The inner welding mechanism includes an annular shell, an annular barrier, a telescopic component, a drive mechanism, a contact mechanism, a movable frame with a polishing wheel, and an inner welding gun. The annular shell and the annular barrier are coaxially arranged and connected by a rotatable telescopic component. The movable end of the telescopic component extends to the outside of the annular barrier and connects to the movable frame. The inner welding gun is mounted on the movable frame, and the drive mechanism is installed between the annular shell and the polishing wheel. This invention solves the problem of difficult welding on the inner side of steel pipes by coordinating the inner and outer welding mechanisms, and integrates grinding, welding, and polishing processes into one, significantly improving processing efficiency and weld quality.

This invention relates to a reusable autoinjector, belonging to the field of drug injection technology. The reusable autoinjector provided by this invention, through the systematic integration of an innovative anti-accidental contact mechanism and a needle depth adjustment mechanism, not only effectively solves the core safety and accuracy challenges in reusable scenarios, but also produces significant technical effects through the synergistic effect of the two mechanisms. It is the first invention to integrate two major functions—active mechanical anti-accidental contact and multi-level stable depth adjustment—into a single reusable device.

A contact mechanism of double-contact circuit breaker. Mainly solve the current double-contact circuit breaker using two dynamic contact pieces to set two dynamic contacts to realize breaking, the problem of low synchronization rate. Its characterized in that: the static contact piece includes the main piece, the main piece is provided with the first piece and the second piece integrally manufactured, the static contact point includes the first static contact point arranged on the first piece and the second static contact point arranged on the second piece; the dynamic contact piece includes the piece body, the dynamic contact point includes the first dynamic contact point and the second dynamic contact point arranged on the piece body, the first dynamic contact point and the second dynamic contact point are provided with the gap groove, the first dynamic contact point is arranged opposite to the first static contact point, and the second dynamic contact point is arranged opposite to the second static contact point. The utility model provides a kind of contact mechanism of double-contact circuit breaker, and two dynamic contacts are set on one dynamic contact piece, and the synchronization rate is high, and two static contacts are arranged oppositely, two arcs are generated when breaking, and the energy of single arc is reduced.

This invention relates to the field of low-voltage electrical appliances, specifically to a circuit breaker, which includes a contact mechanism comprising a first contact structure and a second contact structure pivotally disposed opposite to each other; the contact mechanism further includes a first connecting rod, a second connecting rod, and a sliding block, the two ends of the first connecting rod being hinged to the sliding block and the first contact structure, respectively, and the two ends of the second connecting rod being hinged to the sliding block and the second contact structure, respectively; the sliding block, through the first connecting rod and the second connecting rod, drives the first contact structure and the second contact structure to rotate synchronously towards each other to close and synchronously in opposite directions to open; the circuit breaker has a faster breaking speed and a larger opening distance.

This invention relates to the field of injection mold technology, and particularly to a hot runner linked hot nozzle, comprising a hot runner plate, a support cylinder, a hot nozzle, a movable contact mechanism, a heat conduction mechanism, and a limiting and fixing mechanism. This invention solves the following problems existing in hot runner hot nozzles: the rigid contact between the hot nozzle and the gate is easily subjected to impact and wear during the opening and closing of the moving and fixed molds, leading to overflow when injecting molten plastic; after injection, a small amount of molten plastic remains between the injection end of the hot nozzle and the gate, easily causing gate blockage, and injection into the mold cavity can lead to product defects; this invention can control the contact between the hot nozzle and the gate to only occur during molten plastic injection, preventing rigid contact between the hot nozzle and the gate, effectively avoiding overflow caused by damage to the contact surface of the hot nozzle and the gate; this invention can conduct the heat of the molten plastic to the inside of the hot nozzle and the molten plastic between the bottom of the hot nozzle and the gate for heat preservation, preventing it from cooling and solidifying.

To provide a contact mechanism that can further suppress the electromagnetic repulsive force that may occur when current is applied. [Solution] A contact mechanism 100 according to one aspect of the present disclosure comprises a movable element 110, a first stator 120, a second stator 130, a connecting member 140 that connects the movable element 110 and the movable iron piece 150 and drives the movable element 110 with an electromagnet having a movable iron piece 150, and an auxiliary yoke 160 that is positioned inside the first stator 120 and the second stator 130 in a first direction and on the first surface side of the movable element 110, wherein the first stator 120 extends in the first direction from a first connection to a first fixed contact, the second stator 130 extends in the first direction from a second connection to a second fixed contact, and the movable element 110 is planar when viewed from the first direction at the location on the first surface corresponding to the location where the auxiliary yoke 160 is positioned.

A device comprising: a contact mechanism (or switch); an actuation knob; and a housing. The contact mechanism (or switch) comprises: an actuating mechanism; a first conductor; a second conductor; and a moveable contact moveable, by the actuating mechanism, between a first, closed, position in which a current conduc-tion path is defined through the first, second and moveable conductors of the contact mechanism and a second, open, position in which no current conduction path is defined. The actuation knob (or knob) comprises: a first side configured to drive the actuating mechanism upon rotation of the actuation knob, the first side comprising a cam portion which directly engages with the actuating mechanism; a second side opposite the first side; and an engagement portion protruding from the second side and configured for engagement by a user. The housing encloses both the contact mechanism and the first side of the knob.

The application discloses a horizontal hydraulic nonmetal packing machine and relates to the technical field of nonmetal hydraulic packing. The horizontal hydraulic nonmetal packing machine comprises a machine body, a feeding conveyor, a door opening cylinder, a packing platform, a clamping seat and a contact mechanism. The feeding conveyor is installed outside the machine body. The door opening cylinder is installed outside the machine body. The packing platform is connected with the machine body and is internally provided with a motor. The clamping seat is installed outside the feeding conveyor. The contact mechanism is installed outside the packing platform and comprises a round plate which is externally provided with a replacement assembly. The contact mechanism further comprises a pretreatment mechanism which comprises a fourth push rod. The bottom of the fourth push rod is provided with a connecting rod. The lower portion of the connecting rod is provided with a cylinder. The outer portion of the cylinder is provided with a sponge shell. The fourth push rod is used for controlling the lifting of the cylinder and the sponge shell. The horizontal hydraulic nonmetal packing machine can improve the use efficiency of the equipment.

A pressure switch includes a pressure-resistant container made of metal, a conductive terminal disposed through the pressure-resistant container and fixed in airtight and insulating relation to the pressure-resistant container, a contact mechanism electrically connected to the conductive terminal and disposed inside the pressure-resistant container, a diaphragm covering an opening of the pressure-resistant container, mounted in airtight relation to the pressure-resistant container, capable of acting at a prescribed action pressure or more and returning at a return pressure lower than the action pressure, and a pressing member that opens and closes the contact mechanism by transmitting displacement of the diaphragm caused by action and return. The pressing member includes a first pressing member fixed to the contact mechanism and a second pressing member in contact with the diaphragm, and the first pressing member and the second pressing member are in contact in a manner that allows movement in a skew direction. The pressing member receives displacement of the diaphragm by the second pressing member, and transmits it to the contact mechanism and presses the contact mechanism via the first pressing member, thereby opening and closing the contact mechanism.

This utility model discloses a turbine housing forming tool, specifically relating to the field of tool technology. It includes a tool body for forming turbine housings, an externally connected snap-fit ​​bracket, an end connector block for fixing an external tool holder at one end of the snap-fit ​​bracket, and an internal fixing cavity for inserting the tool body. A contact mechanism is provided between the inner wall of the fixing cavity and one end of the tool body. Four protrusions are arranged in a ring at equal intervals on the outer wall of the tool body. This utility model, through the contact mechanism, compresses a spring when the positioning pin is inserted into the positioning groove at the end of the tool body, generating a thrust that causes the tool body to move outward. Furthermore, by providing four screw-in screws, a locking effect can be achieved in multiple positions, preventing the tool body from becoming loose due to a single screw loosening.

This invention provides a horizontal high-voltage disconnecting switch, including a disconnecting switch body and an assembly protection device. The assembly protection device is snapped onto the disconnecting switch body. The disconnecting switch body includes a contact mechanism and a contact finger mechanism. The assembly protection device has a first slot matching the contact mechanism and a second slot matching the contact finger mechanism. The assembly protection device is snapped onto the contact mechanism through the first slot and onto the contact finger mechanism through the second slot, thereby preventing the contact mechanism and the contact finger mechanism from opening in the horizontal direction. This application, through the assembly protection device, enables the high-voltage disconnecting switch to be safely installed during the assembly and commissioning process, solves the problem of significant safety hazards during the assembly and commissioning of high-voltage disconnecting switches, reduces production costs, and improves assembly efficiency.

This invention discloses a rapid edge-grinding device for producing environmentally friendly bamboo cutting boards, belonging to the field of bamboo cutting board production technology. It includes a housing with open ends. The bottom of the housing has a mounting groove along its width. Grinding mechanisms are slidably mounted on both sides of the mounting groove. The mounting groove also includes a spacing adjustment mechanism that adjusts the distance between the two grinding mechanisms according to the thickness of the bamboo cutting board. This invention utilizes a grinding mechanism consisting of a U-shaped plate, a lower conveyor roller, a conveyor motor, an upper conveyor roller, a tension roller, and sandpaper symmetrically arranged on both sides of the mounting groove. Combined with a contact mechanism that adjusts the contact area between the sandpaper and the bamboo cutting board according to its thickness, and a spacing adjustment mechanism that adjusts the distance between the two grinding mechanisms according to the width of the bamboo cutting board, this allows the bamboo cutting board to be automatically edge-ground on its symmetrical sides after passing through the housing, eliminating the need for manual adjustment, thus improving practicality and grinding speed.

The application relates to the technical field of electrical safety protection, and discloses a circuit breaker with multi-node power-off protection functions, which comprises a shell mechanism, the outer side of the shell mechanism is fixedly connected with a guide support plate, when a certain branch node appears temperature abnormality and other faults, a temperature measuring assembly is triggered, a moving guide block driven by an electromagnet links a limiting stop plate to remove the limiting of a guide rod mechanism, the guide rod mechanism is driven through the meshing transmission of a servo motor, a driving gear and a gear row assembly, a contact mechanism is separated from a contact assembly, the rapid power-off of a single fault node is realized, the diffusion of faults to other nodes is avoided, and the problems that the traditional circuit breaker can only protect single nodes or single type faults are solved; the protection structures of the nodes independently operate, the elastic reset actions of reset springs A, B, C and D are matched, the circuit can be rapidly cut off in response to faults, the connection can be stably restored after the faults are eliminated, and the protection logic can be flexibly adjusted according to the power consumption characteristics of different nodes.

The utility model discloses an insulating degree detector of insulating product belongs to the technical field of insulating product, and its technical scheme main points include the bottom plate, the top fixedly connected with the fixed frame of bottom plate is provided with the contact mechanism, the top fixedly connected with the insulating degree detector body of bottom plate is provided with the barrier mechanism, the contact mechanism includes the positive pole flexible connecting wire, the positive pole contact piece, the moving plate and the adjusting lever, the front side of positive pole flexible connecting wire and the back of positive pole contact piece electric connection, the top of positive pole contact piece and the bottom fixed connection of moving plate, the adjusting lever sets up at the top of moving plate, the adjusting lever is screwed in the inside of fixed frame, has solved the clamp plate of the existing patent and has proposed the arc, and the volume of contact sharp head is smaller, and it is inconvenient to carry out the stable clamping and the electrification of the plate -shaped insulating product and carries out the insulating degree detection, uses the problem of having the limitation.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

The application discloses a power supply system and relates to the technical field of low-voltage electrical apparatuses. The power supply system comprises a controller, an input module, an output module and an isolating switch. The isolating switch comprises a handle, an action mechanism, a contact mechanism, a first remote tripping mechanism and at least one second remote tripping mechanism. The handle is driven to drive the contact mechanism to open or close by the action mechanism. The first remote tripping mechanism and the second remote tripping mechanism are used to be tripped separately according to different tripping signals sent by the controller. The first remote tripping mechanism can be reset by the handle, and the second remote tripping mechanism cannot be reset by the handle. When a fault occurs, the controller is used to grade the fault and send corresponding tripping signals, control the first remote tripping mechanism and / or the second remote tripping mechanism to trip, drive the action mechanism to be unlocked, and make the contact mechanism open. The power supply system can avoid the situation that the fault is spread when the DC switch is manually closed while the internal fault of the inverter still exists.

The application relates to a compression-type arc-extinguishing chamber, which comprises a static contact mechanism, a dynamic contact mechanism, a cylinder mechanism and an elastic member. The dynamic contact mechanism is disconnectably matched with the static contact mechanism along a first direction. The cylinder mechanism comprises a fixed piston and a cylinder body, and the fixed piston is fixedly arranged relative to the static contact mechanism. The cylinder body is matched with the fixed piston along the first direction to form a piston cooperation. The elastic member is arranged between the dynamic contact mechanism and the cylinder body. The cylinder body and the dynamic contact mechanism are movably matched along the first direction and are driven through the elastic member. In the disconnecting process, due to the compression and blocking effect of the compression chamber, when the cylinder body is obviously resisted and the speed is sharply reduced, the dynamic contact mechanism can continuously deform through the elastic member to move relative to the cylinder body, and cannot be synchronously reduced with the cylinder body, so that the speed change is more stable in the disconnecting process, the dynamic contact mechanism can continuously move along the disconnecting direction, and the risk of disconnecting failure is reduced.

The utility model discloses a kind of brittle cylinder ice cream processing brittle cylinder forming equipment, it is related to brittle cylinder ice cream processing technical field, its technical key points include brittle cylinder forming processing machine body;Perimeter feeding processing mechanism, the perimeter feeding processing mechanism is installed and is connected in the upper end inner side of brittle cylinder forming processing machine body;Rotary contact mechanism, the rotary contact mechanism is installed and is connected in the upper end inner side of brittle cylinder forming processing machine body;Material filling mechanism, the material filling mechanism is installed and fixed on the upper end outer side of brittle cylinder forming processing machine body;Leakage collection mechanism, the leakage collection mechanism is installed and is connected on the lower end outer side of material filling mechanism, technical effect is that material filling mechanism can be heated into shape with material delivery to brittle cylinder forming processing machine body, leakage collection mechanism is located below after each filling, so material dropping of material filling mechanism can be effectively received, such effective protection platform environment, and centralized collection, facilitate centralized processing.

The load required to manually rotate the operating shaft 51 in the power distribution panel is reduced. [Solution] The distribution panel includes an operating shaft 51 that rotates by manual operation, an opening / closing shaft 41 that rotates 90° in conjunction with the 180° rotation of the operating shaft 51, and a contact mechanism 42 that switches between a grounded state and an ungrounded state by the 90° rotation of the opening / closing shaft 41.

This utility model discloses a magnetic latching relay with a guiding structure, comprising: a housing with a receiving cavity; a moving contact mechanism housed in the receiving cavity, the moving contact mechanism including a first bracket, a second bracket, and a second elastic element, one end of the first bracket cooperating and linked with a magnetic circuit mechanism, the magnetic circuit mechanism driving the first bracket to reciprocate along a first direction, a guiding structure provided between the first bracket and the inner wall of the housing; a moving contact assembly fixed on the second bracket; the second elastic element located between the first bracket and the second bracket; a stationary contact assembly housed in the receiving cavity, the stationary contact assembly cooperating with the moving contact assembly; the first elastic element providing auxiliary force to the first bracket; with this structure, the first bracket does not need to have a through hole, thus ensuring the strength of the first bracket; secondly, the outer side wall of the first bracket cooperates with the inner side wall of the housing to form a guiding structure, making the guidance more stable; and it also reduces one component, making installation more convenient.

This utility model relates to the field of low-voltage electrical appliances, specifically to a switching device. Its switching unit includes at least two sets of switching modules arranged side-by-side along a second direction d2. Each switching module includes a moving contact mechanism and a stationary contact group. The first and second stationary contacts of the stationary contact group are arranged side-by-side along a third direction d3. Each moving contact mechanism is movable as a whole along a first direction d1. Its electromagnetic system includes a magnetizing component and an armature arranged sequentially with the switching unit along the third direction d3. The magnetizing component includes a yoke and a coil assembly. The armature drives each moving contact mechanism to move as a whole, thereby closing and opening with the corresponding stationary contact group. The first direction d1, the second direction d2, and the third direction d3 are perpendicular to each other. The switching device has a reasonable layout and compact structure.

This invention relates in particular to a contact mechanism for high-voltage electrical connections that is highly resistant to wear. [Solution] The contact mechanism (1) comprises a contact socket (2), a contact bolt (6) that can be inserted into the contact socket along the insertion direction (4), a spring mechanism (10) that is positioned between the contact socket and the contact bolt when the contact bolt is inserted into the contact socket and has a spring (12) that is compressed radially (14), and a support surface mechanism (8) that has at least one support surface (16, 16a, 16b, 26a, 26b, 26c, 26d) inclined with respect to the insertion direction, the compressed spring is supported by the support surface mechanism, and the compressed spring supported by the support surface mechanism generates an axial spring force (36) directed toward the insertion direction in the support surface mechanism.

The application discloses a contact mechanism and a transfer switch, which comprises a moving contact assembly and a static contact group, the moving contact assembly moves along a straight line, the moving contact assembly comprises a contact support and a moving contact arranged on the contact support, a contact spring is arranged between the moving contact and the contact support, the contact spring is elastically deformed when the moving contact and the contact support relatively move, and an energy storage structure is arranged at least on one side of the moving contact assembly, the energy storage structure comprises an energy storage piece, during closing movement of the moving contact assembly, the moving contact is first locked and stopped from closing movement by the energy storage piece, the contact support continues to move to trigger the energy storage piece to move, so that the energy storage piece is unlocked from the moving contact assembly, and the moving contact assembly after being unlocked from the energy storage piece is rapidly closed to a position by the contact spring. In the application, the closing speed of the contact mechanism is improved by arranging the energy storage structure, and the service life of the contact mechanism is improved.

This invention relates to the field of low-voltage electrical appliances, specifically to a switchgear that is easy to assemble and operate. Its length, width, and height are d1, d2, and d3 respectively, with the operating section and the switching section stacked along direction d3. In the operating section, a tripping module drives the operating mechanism to trip. The operating mechanism includes a support structure and a rotating operating shaft rotatably mounted on the support structure. The operating shaft drives the operating mechanism to close or open by reciprocating rotation. The switching section includes n switching units, where n ≥ 1. When n ≥ 2, the switching units are stacked sequentially along direction d3. The contact system of each switching unit includes a moving contact mechanism and a stationary contact that work together. The rotation axis of the moving contact mechanism is the same as that in direction d3. The tripping module is arranged side-by-side with the operating mechanism along direction d2. The rotation axis of the operating shaft is the same as that in direction d2.

This utility model relates to the field of low-voltage electrical appliances, specifically to an operating device. Its electromagnetic system includes a magnetizing component and an armature. The magnetizing component includes a yoke and a coil assembly, with the armature moving integrally along the axial direction of the coil assembly. Its transmission structure includes a linkage component, which is connected to a moving contact mechanism to drive its rotation. The linkage component and the armature move synchronously and remain relatively stationary during movement. A reset component, which is a compression spring, drives the armature to separate from the yoke. The reset component is located within the linkage cavity in the middle of the linkage component, with one end acting on the side wall of the linkage cavity and the other end fixedly disposed. The operating device has a compact structure and simple, reliable operation.

This invention relates to the field of low-voltage electrical appliances, specifically to an operating mechanism with flexibly adjustable output power direction. Its operating shaft, rocker arm, trip fastener, and locking fastener are rotatably mounted on a support structure. A spring assembly provides driving force for the closing, opening, and tripping operations of the operating mechanism. The locking fastener and trip fastener engage in a latching cooperation. One end of the front connecting rod is rotatably connected to the trip fastener via a first shaft, and the other end is rotatably connected to one end of the rear connecting rod via a second shaft. The two ends of the main spring of the spring assembly are respectively connected to the second shaft and the rocker arm, storing energy and then releasing it when the operating mechanism performs closing and opening operations. The operating shaft and rocker arm are driven and linked. The output structure is linked to the moving contact mechanism, with its transmission gear and output gear shaft rotatably mounted on the support structure, meshing and intersecting in rotational axis. The transmission gear is rotatably connected to the other end of the rear connecting rod and has the same rotational axis as the operating shaft.

The utility model discloses an economic direct current moulded case circuit breaker, including shell, circuit breaker handle, contact mechanism, arc extinguishing mechanism, pivot, operating mechanism wiring end, and wiring end includes wiring busbar, one end of movable contact forms and forms contact mounting part, and contact mounting part is equipped with first limit axle, and the pivot is equipped with second limit axle, contact mounting axle and tension spring, contact mounting part is rotatablely installed on the pivot through contact mounting axle, and second limit axle is limited on the pivot and is distributed on the one side of contact mounting part, and the both ends of tension spring are connected with first limit axle and second limit axle respectively, and operating mechanism is compatibility modular operating mechanism, the utility model discloses direct current moulded case circuit breaker's structure design is reasonable, and through structure optimization can be favorable to reducing product production cost, and is favorable to product miniaturization design.

This utility model provides a safety pneumatic clamp controller, belonging to the field of pneumatic clamp technology. The safety pneumatic clamp controller includes: a pneumatic clamp start controller; a switch button located on one side of the pneumatic clamp start controller; and a contact mechanism including an anti-accidental-touch shell, a contact operating sleeve, a contact threaded groove, a threaded rotating cylinder, a polygonal slide, a rotating block, and a button pressing block. The anti-accidental-touch shell is fixedly connected to one side of the pneumatic clamp start controller, the contact operating sleeve is fixedly connected to one side of the anti-accidental-touch shell, and the contact threaded groove is fixedly connected to the inner wall of one side of the contact operating sleeve. The operator must complete both rotational alignment and pressing actions to trigger the start, avoiding accidental start-up due to accidental contact or improper operation, significantly improving operational safety.

The application relates to a miniature circuit breaker which comprises a shell, a handle assembly, a movable contact mechanism and a short-circuit instantaneous tripping system, the handle assembly is rotationally connected in the shell and extends to the outside of the shell at one end, the movable contact mechanism is rotationally connected in the shell through a lock catch hollow shaft, the movable contact mechanism is connected with the handle assembly through a connecting rod, a connecting point of the movable contact mechanism and the connecting rod is a set point, the movable contact mechanism comprises a movable contact body, the short-circuit instantaneous tripping system is arranged in the shell and comprises a static contact, a connecting line between the set point and an end point of the movable contact body is obliquely arranged, a distance between the set point and the axis of the lock catch hollow shaft is a first distance, a distance between the axis of the lock catch hollow shaft and the movable contact body is a second distance, the first distance is smaller than the second distance and greater than a second set distance, the distance between the static contact and the movable contact body is increased, and the rated short-circuit breaking capacity of the miniature circuit breaker is effectively improved.

This utility model discloses a contactor contact mechanism, relating to the field of contactor technology. It includes a base, with a mounting seat fixedly connected to the top of the base. A rotating shaft is rotatably mounted on the mounting seat, and a gear is fixedly fitted onto the rotating shaft. Two fixed seats are fixedly connected to both sides of the mounting seat, and the interior of each fixed seat has a T-shaped through slot. A contact assembly includes movable columns and two bases. The two movable columns movably pass through the through slots inside the two sets of fixed seats. A transmission plate is provided on one side of the front of each movable column, passing through the through slot. Multiple transmission teeth are provided on the opposite sides of the two transmission plates. This utility model effectively avoids localized overheating, material softening, and even adhesion of the contacts, and is less prone to uneven contact pressure distribution due to angular deviations or mechanical vibrations. It significantly improves the overall service life and safety of the contact mechanism, and has high practicality.