126results about "Contact operating parts" patented technology

This invention discloses a wind-cooled multi-channel solid-state circuit breaker cabinet, comprising a cabinet body and a wind-cooling heat dissipation system. The cabinet interior is divided layer by layer from front to back by longitudinal beams into an isolation zone, a first component mounting zone, a heat dissipation zone, and a second component mounting zone. The wind-cooling heat dissipation system includes air inlets at the bottom of the front and rear doors and air outlets at the top, as well as a heat dissipation structure located within the heat dissipation zone. The heat dissipation structure includes a radiator duct and optional fan assemblies, which can be flexibly configured according to power switching components with different thermal powers to achieve precise and efficient heat dissipation. Each electrical channel has an independent control panel corresponding to the front door, integrating a display screen, indicator lights, and buttons, supporting independent on / off control of multiple circuits. This invention, through reasonable functional zoning and air duct design, solves the problems of low heat dissipation efficiency and poor multi-circuit adaptability in existing technologies, and has the advantages of high heat dissipation efficiency, reasonable layout, convenient operation and maintenance, and good protection.

The present application relates to a certain type of fire sprinkler circuit safety mechanism, belongs to the technical field of fire extinguisher circuit, especially relates to a circuit safety mechanism, the purpose of the present application is to overcome the defects of the existing products of a certain type of fire sprinkler, design a kind of circuit safety mechanism, a certain type of fire sprinkler can only be opened in the case of the circuit safety mechanism, can complete normal injection, injection is stable, injection is uniform, can prevent the misinjection phenomenon, improve the safety and reliability of the injector.

The utility model discloses a switch operation accessory, including accessory casing, the transmission assembly and operation subassembly of setting in the accessory casing, operation subassembly sets up transmission assembly on, transmission assembly is used for with the detachable connection of control device's power output shaft, power output shaft rotates and drives transmission assembly movement, operation subassembly is driven under transmission assembly and makes linear movement, and operation subassembly can be with switch device's key contact and control switch device's opening and closing, the utility model discloses the rotary motion is converted into linear motion, realizes the intelligent control to switch device, the utility model discloses still a kind of switch operation subassembly and intelligent control device.

A circuit breaker includes a blade operable between a closed-contacts position to close the electrical contacts and an opened-contacts position to open the contacts; a kicker lever with a kicker operable to move the blade to the opened-contacts position or to release the blade from the opened-contacts position; a catch lever operable to a latched position for holding the kicker lever in the opened-contacts position and an unlatched position for unlatching and releasing the kicker lever, and thus the blade, from the opened-contacts position to the closed-contacts position; and a moveable slider operable in a first direction to move and latch the blade, via the kicker and catch levers, in the opened-contacts position and in a second direction to unlatch and release the blade from the opened-contacts position to the closed-contacts position. The catch lever (or portion thereof) is located below or under the slider or portion thereof.

Remote control devices may control electrical loads and / or load control devices of a load control system without accessing electrical wiring. The remote control device may be mounted over a mechanical switch that is installed in a wallbox. The remote control device may include a control unit and a faceplate assembly. The faceplate assembly may include a mounting frame, an adapter plate, and a faceplate. The mounting frame may be configured to abut a bezel of the mechanical switch such that that the faceplate is spaced away from the bezel of the mechanical switch to enable the mounting ring to extend through respective openings in the adapter plate and the faceplate.

An operating mechanism for an electric switch assembly, the operating mechanism being adapted to be operationally connected to a first electric switch (71) and a second electric switch (72). The operating mechanism comprises a frame (2), an operating lever (12), a first link (4), a second link (6), a coupling system adapted to selectively couple the second link (6) to the first link (4), and an actuation system coupled to the first link (4) and the second link (6) for actuating an actuation lever (171) of the first electric switch (71) and an actuation lever (172) of the second electric switch (72). The actuation system comprises a first actuation protrusion (41) and a second actuation protrusion (42) stationarily connected to the first link (4), and a third actuation protrusion (63) and a fourth actuation protrusion (64) stationarily connected to the second link (6).

The utility model discloses a key structure and the equipment of processing audio data, the key structure includes equipment shell, circuit board, light touch switch, plastic key and elastic thimble structure. Elastic thimble structure is composed of thimble and spring, and the thimble length adjusts the key stroke, and the spring parameter adjusts the pressing force, realizes the independent control of stroke and pressing force, overcomes the defect that traditional silica gel key adjustment range is limited, is applicable to the scene of touch sensitive such as recording pen, translation equipment. Thimble and spring form stable force transmission path, and compatible multi -specification light touch switch, improve versatility. Thimble assembly can be set in cavity or be supported by shell recess, and the structure is flexible. Plastic key is fixed through buckle, prevents falling off, and recess limit compression stroke, and the contact surface design optimizes the consistency of hand feeling. Propose through zinc alloy support to replace plastic parts to improve the overall machine counterweight and holding quality, be applicable to portable audio product, improve overall user experience and market competitiveness.

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 utility model discloses a kind of emergency stop switch indicator light and the medical bed with emergency stop switch indicator light, including bed body, the emergency stop switch being set on bed body, and emergency stop switch indicator light, the emergency stop switch indicator light is used to output outward after triggering;Still including guardrail operator being set on bed body, bed tail nurse operator, the emergency stop switch indicator light is set in at least one of guardrail operator, bed tail nurse operator;The emergency stop switch indicator light is set in the guardrail operator.The utility model can effectively avoid single mistake touch to cause the body damage of patient by twice pressing unlocking to the emergency stop switch of medical bed, and the state of emergency stop switch can be displayed in real time, convenient for personnel's judgment and operation.

The utility model discloses a multifunctional charging seat and charging mouse assembly, multifunctional charging seat includes casing mechanism, is provided with charging cavity on it, respectively fixedly set up circuit board and charging battery in casing mechanism, and the both electric connection, at least one charging interface fixedly through setting in casing mechanism and with circuit board electric connection, through setting charging spring piece in charging cavity and with circuit board electric connection, charging needle mechanism fixedly through casing mechanism and with circuit board electric connection, the utility model discloses respectively through charging spring piece to set up the charging operation of mouse battery in charging cavity, through charging needle mechanism to set up the charging operation of mouse battery in charging mouse, and charging interface carries out the charging operation to external electronic equipment, thereby realizes the multiple functions of charging seat, and effectively solved the problem that the function of present mouse charging seat is single.

The invention relates to a solid state circuit breaker comprising an electronic switch, a mechanical switch configured to complete a closing process and an opening process by manual operation, a sensor configured to generate a trigger signal depending on a position of the mechanical switch during the closing process or the opening process, a control unit configured to activate an assistance mechanism depending on the trigger signal, and the assistance mechanism configured for providing assistance for the closing process or the opening process, wherein the electronic switch is connected in series with the mechanical switch.

The present application relates to the technical field of control cabinet, disclose a kind of double power supply false switching mechanism's dc MCC control cabinet with preventing, including cabinet, power switch A and power switch B are respectively fixedly connected in cabinet, power switch A and power switch B are all rotatably connected with latch handle, limit hole is all set up on the latch handle, two hollow connecting rods are located in the limit hole of power switch A and power switch B in same side, slidingly connected with support block in the communicating port of hollow connecting rod, support block is close to the side in hollow connecting rod and is all fixedly connected with inclined guide plate, the inner wall of hollow connecting rod is fixedly connected with limit spring close to one end of mounting base, one end of limit spring is fixedly connected with guide seat, guide groove is set up on the guide seat, and the number and position are all corresponding with each guide plate, this double power supply false switching mechanism's dc MCC control cabinet with preventing, avoid the problem that hollow connecting rod movement stroke is consumed and cannot drive latch handle to complete closing action in time due to the wear and tear of connecting portion.

This application provides a side-opening electrically operated disconnect switch, comprising: a mounting plate installed in a disconnect switch cabinet; two disconnect switch bodies, one of which is disposed on the upper surface of the mounting plate, and the other of which is disposed directly above the first disconnect switch body and connected by an insulating block; and an electrically operated device disposed below the mounting plate relative to the two disconnect switch bodies, with its drive end connected to the transmission end of the two disconnect switch bodies via a connector and used to control the opening or closing of the two disconnect switch bodies. This application can quickly disconnect the circuit in case of a fault, while avoiding the expansion of the fault due to mechanical jamming. Thus, while ensuring electrical isolation, it simplifies the mechanical structure, improves the reliability and service life of the disconnect switch cabinet, and provides an important guarantee for the safe operation of the subway power supply system.

A break mechanism for a switching apparatus is described that includes a contact driving assembly including a driving part and coupled to a moving contact to drive the moving contact to move between an open and a closed position; a handle assembly adapted to rotate around a pivot shaft and including a relevant driving part and a telescopic driving part keeping a length unchanged during a rotation of the handle assembly in a first rotation direction to drive the contact driving assembly to rotate in a second rotation direction, thereby driving the moving contact to move to the closed position; and an auxiliary assembly coupled to the relevant driving part, and adapted to move to a second position in a first movement direction during tripping of the switching apparatus, thereby causing the handle assembly to rotate in the second rotation direction.

This utility model discloses an emergency stop switch structure, which includes: a housing, a cover plate, a pull rod, a locking nut, a limit switch, and a reset switch; the pull rod, limit switch, and reset switch are threadedly connected to the housing; the cover plate encloses the pull rod, limit switch, and reset switch within the housing; springs are provided between the pull rod and the inner wall of the housing, and between the reset switch and the inner wall of the housing, and the springs are in a compressed state. Furthermore, this utility model enhances the overall sealing performance of the emergency stop switch by adding rubber gaskets between the housing and the cover plate, and between the locking nuts; the gear design at the reset switch optimizes the reset method, reduces space, and the addition of a protective sleeve reduces the frequency of accidental activation, thus enhancing the overall safety performance of the emergency stop switch structure.

The application discloses a kind of intelligent fixed outdoor isolator adjusting device, it is related to switch assembly technical field, including mounting plate, still including adjusting assembly, the mounting hole is opened in the front side of mounting plate, switch equipment is provided in the front side of mounting plate, operating shaft is rotatably installed in the front side of switch equipment;The adjusting assembly includes installation frame, shielding frame, shielding hole, shielding spring, link slot, elastic expansion plate and support hole, the installation frame is arranged in the back of mounting plate, the shielding frame is slidably installed in mounting plate front and back wall, shielding frame moves downward will make shielding hole align with mounting hole, shielding hole and mounting hole alignment make shielding frame remove the shielding of mounting hole, by operating shaft rotation linkage shielding frame moves downward, make shielding hole and mounting hole automatically align, only in the state of opening can expose mounting hole, from structure, forcibly ensure that only after opening can be installed adjusting, eliminate live installation risk.

The invention discloses a transmission device of an electric control mechanism for an isolating switch, the transmission device comprises an isolating base, a transmission assembly and a locking assembly, when the transmission device is connected, a lifting moving block moves downwards, and a driving connecting rod and an insulating connecting rod drive a switch blade to rotate downwards to a horizontal state to realize circuit connection; in the process, the locking moving rod automatically moves towards the direction of the knife switch and completes limiting, and the knife switch is prevented from being turned upwards accidentally to be disconnected. During disconnection, the lifting moving block firstly moves downwards, the locking moving rod is driven by the moving sleeve to automatically release limiting, then the lifting moving block moves upwards, the knife switch is driven to rotate upwards to achieve disconnection, automatic locking during connection and automatic unlocking before disconnection are achieved through pure mechanical linkage, an electromagnetic lock or an electrical control element is not needed, electrical fault points are reduced, and the reliability of the device is improved. The reliability of long-term operation under severe working conditions is remarkably improved, accidental disconnection of the knife switch caused by vibration or misoperation is effectively prevented through mechanical limiting, and the stability of circuit connection and operation safety are guaranteed.

The utility model discloses a double micro -switch formula foot switch. A double micro -switch formula foot switch, including the upper and lower setting upper cover pedal and base, the opposite side of upper cover pedal and base is linked through bolt, the first reset spring is clamped between upper cover pedal and base, the rear end portion sliding connection of upper cover pedal has the second toucher, and the second toucher is located behind the pivot, and the top of second toucher is higher than upper cover pedal, and the second reset spring is clamped between second toucher and base, the first micro -switch for upper cover pedal touch control opening and closing and the second micro -switch for second toucher touch control opening and closing are clamped on the base, and the first micro -switch and second micro -switch are set up, and the touch spring blade of first micro -switch is inclined from back to front, and the touch spring blade of second micro -switch is inclined from front to back. The utility model discloses through the additional two micro -switch, and then realizes the integration of two -way touch control.

The utility model discloses a kind of air switch anti-misoperation devices with signboard, including the upper clamping piece being contacted with the upper surface of air switch operating handle, the bottom of upper clamping piece is equipped with the lower clamping piece being able to be clamped with operating handle bottom, the side of upper clamping piece away from operating handle is also hinged with signboard;Wherein, the first installation cavity is opened in the side of upper clamping piece, the lower clamping piece has the circular rod being passed in the first installation cavity, spring is set in the first installation cavity on the circular rod, the top of upper clamping piece is also opened with second installation cavity, one end of signboard is hinged in second installation cavity, the top of circular rod is connected with movable operating handle by fixed bolt, movable operating handle is located in the first installation cavity, the top of fixed bolt is located below the hinging point of signboard and second installation cavity. The utility model is installed on the on-off operating handle of air switch, not influenced by air switch installation mode and control phase number, anti-misoperation function is strong, simple to make, carry and install conveniently.

Remote control devices can control electrical loads and / or load control devices of a load control system without tapping into electrical wiring. The remote control devices can be mounted above mechanical switches installed in a wallbox. The remote control devices can include a control unit and a faceplate assembly. The faceplate assembly can include a mounting frame, an adapter plate, and a faceplate. The mounting frame can be configured to abut a bezel of the mechanical switch such that the faceplate is spaced apart from the bezel of the mechanical switch to enable the mounting ring to extend through respective openings in the adapter plate and the faceplate.

The application discloses an operating device of an isolating switch, which comprises a driving shaft, a driving piece, a switching seat, and an energy storage spring arranged in a spring mounting groove and abutting against two sides of a first abutting portion and two sides of a second abutting portion at two ends of the energy storage spring; two groups of locking assemblies are distributed beside the switching seat, one locking assembly corresponds to one locking groove and one unlocking portion, and the locking assembly and the corresponding locking groove have an unlocking state and a locking state; when one group of the locking assemblies is in the locking state, the other group of the locking assemblies is in the unlocking state; with the rotation of the driving shaft, the energy storage spring is deformed under the action of the first abutting portion; after the unlocking portion triggers the locking assembly originally in the locking state to change into the unlocking state, the switching seat is rapidly rotated to the next position under the action of the energy storage spring, and the locking assembly originally in the unlocking state changes into the locking state; and the application has the characteristics of better reliability.

A handheld power tool (1) is disclosed comprising a handle (20) and a trigger element (30) extending along a curved portion of the handle (20) and being movably arranged relative to the handle (20). The power tool (1) further comprises a spring assembly (8) configured to bias the trigger element (30) towards an unactuated position relative to the handle (20) and a switch (10) configured to switch from a first state to a second state when the trigger element (30) is moved from the unactuated position. The spring assembly (8) comprises a follower (9) and a spring member (13) configured to bias the follower (9) in a first direction (d1) against a sliding surface (18) of one of the handle (20) and the trigger element (30) to bias the trigger element (30) towards the unactuated position. The follower (9) is slidably arranged relative to the sliding surface (18) along a second direction (d2) being perpendicular to the first direction (d1).

Embodiments of the present disclosure provide an operating mechanism for an electrical switch and a switch assembly. The operating mechanism includes a bracket, an operating member, a first transmission member, a second transmission member, and a moving member. The operating member is rotatably coupled to the bracket. The first transmission member is rotatably coupled to the bracket and coupled to the operating member to follow the operating member to rotate in a first direction. The second transmission member is rotatably coupled to the bracket and engaged with the first transmission member to rotate in a second direction different from the first direction under the drive of the first transmission member, the second transmission member including a driving portion. The moving member is movably coupled to the bracket and includes a first accommodating portion and a second accommodating portion, at least a portion of the driving portion is arranged in the first accommodating portion, and the second accommodating portion is adapted to accommodate a switching handle of the electrical switch.

The application relates to the technical field of working equipment, in particular to an autonomous working equipment. The autonomous working equipment comprises a chassis, a cover body and an emergency stop button; at least a part of the chassis and at least a part of the cover body are arranged oppositely and spacedly, the chassis and / or the cover body is configured with an upper opening; at least a part of the emergency stop button is arranged between the chassis and the cover body, and at least a part of the emergency stop button is accessible through the opening. The autonomous working equipment provided by the application has the advantages of simple structure, good assembly, good reliability and low cost.

Operating device (1) comprising: a scroll wheel (4) from which a section of an opening (55a) protrudes, which is formed on an operator surface (3), wherein the scroll wheel (4) is configured to be rotated by an operator, and the scroll wheel (4) includes a ring element (37) formed by a translucent element configured to transmit light; a light source (53) configured to produce light for nighttime illumination; and a wheel lighting light guide element (57) configured to guide the light emitted by the light source (53) to the scroll wheel (4); characterized by a metal film (62) formed on an inner circumferential surface of the ring element (37).

The patent discloses a steering wheel switch roller pressing structure which comprises a PCB board and a shell, the top of the PCB board is provided with a micro switch and a photoelectric switch, the top of the PCB board is fixedly provided with a fixed shell, the inner side wall of the fixed shell is provided with wheel grooves on four sides, the bottom of the shell is fixedly provided with spring rods on left and right sides, the bottom end of the spring rod is fixedly installed on the top of the PCB board, the outer side wall of the shell is fixedly provided with wheel seats on four sides, and the wheel seat is connected with a supporting wheel, the outer side wall of the shell is provided with the supporting wheel through the wheel seat on four sides, the top of the PCB board is provided with the fixed shell, the inner side wall of the fixed shell is provided with the wheel grooves on four sides, the wheel body edge of the supporting wheel is rollingly installed in the wheel groove, the rolling direction of the supporting wheel in the wheel groove is same with the extension direction (axial direction) of the spring rod, different direction pressing forces from the pressing wheel are shared, so the compression strength of the spring rod can be increased, and the service life of the component is improved.