Abstract: Disclosed is a grease-isolating structure for storing a circuit board, the structure being disposed in an outer tube of a solar actuator, in the outer tube being further provided the circuit board, a through-hole running axially through the outer tube being provided for the outer tube, wherein a cavity for storing the circuit board is provided on a wall of the outer tube, the cavity and the through-hole being isolated from each other. Further disclosed is a solar actuator in which the circuit board storage structure is provided.

Abstract: A method of controlling an electric desk which includes a device for controlling movement of the desk, the device including a key, a chip module, a controller, and a sensing element; when the key is depressed, the control method includes: S10: detecting, by a chip module, the trigger signals emitted from the sensing element, wherein if two trigger signals are detected, the control method proceeds to step S20, and otherwise proceeds to step S30; S20: transmitting, by a controller, the control instruction; S30: not transmitting, by a controller, the control instruction; when the key is released, the control method includes: T10: detecting, by the chip module, the trigger signals emitted from the sensing element, wherein if two trigger signals are detected, the control method proceeds to step T20, and otherwise proceeds to step T30; T20: maintaining, by the controller, the control instruction; T30: suspending, by the controller, the control instruction.

Abstract: An obstruction detecting apparatus, an obstruction detecting system, an electric lifting desk, and an electric lifting cupboard, which relate to the field of obstruction detection and render a higher obstruction detection sensitivity. The obstruction detecting apparatus includes a first housing and a second housing, the second housing being floatingly mounted on the first housing via a first elastic member, on the first housing being provided a circuit board, an obstruction detecting switch connected to the circuit board, and a rocking element rotatably mounted, one end of the rocking element being a free end abutting against the first housing, opposite end of the rocking element being a pressing end pressing down on the obstruction detecting switch, the free end, when being rotated, driving the pressing end to be disengaged from the obstruction detecting switch, whereby an obstruction signal is generated.

Abstract: Disclosed is a linear actuator, including a drive motor, a transmission assembly, a rotary screw, a transmission nut, a clutch device, a self-locking device and a hand-pull release assembly. The clutch device is arranged between the transmission assembly and the rotary screw. The self-locking device is configured to generate frictional resistance to the rotary screw when the rotary screw rotates reversely, and the self-locking device includes a release torsion spring. The hand-pull release assembly includes a first driving member connected with the clutch device and a second driving member connected with the self-locking device, and has an initial state and a fully released state. During the process from the initial state to the fully released state, the first driving member drives the clutch device to disconnect power, and the second driving member drives the release torsion spring to extend.

Abstract: A control apparatus for a lifting mechanism, including: a mount box, a circuit board, and a toggle assembly, the circuit board including a lift switch which is elastically auto-reset and configured to control lifting, the toggle assembly being operable by pushing to close the lift switch. a limit portion is provided on each of two sidewalls of the toggle assembly, the limit portion being staggered with the lift switch along a depth direction of the toggle assembly and vertically movable with the toggle assembly; and a stop portion is provided on each of two sidewalls of the mount box; the toggle assembly includes a free state in which the stop portion vertically stops the limit portion and a pushed state in which the toggle assembly rotates about a pivot point which is a contact point between the stop portion and the limit portion.

Abstract: Disclosed is a linear actuator, including a drive motor, a transmission assembly, a rotary screw, a transmission nut, a clutch device, a self-locking device and a hand-pull release assembly. The clutch device is arranged between the transmission assembly and the rotary screw. The self-locking device is configured to generate frictional resistance to the rotary screw when the rotary screw rotates reversely, and the self-locking device includes a release torsion spring. The hand-pull release assembly includes a first driving member connected with the clutch device and a second driving member connected with the self-locking device, and has an initial state and a fully released state. During the process from the initial state to the fully released state, the first driving member drives the clutch device to disconnect power, and the second driving member drives the release torsion spring to extend.

Abstract: An electric actuator having a hand-screw release device, including: housing, drive motor, transmission assembly, rotary screw rod and driving nut, and further including: clutch device configured to engage or disengage power transmission between the transmission assembly and the rotary screw rod; a self-locking device configured to produce a friction resistance against the rotary screw rod when the rotary screw rod rotates reversely; and a hand-screw release device including a release rotary knob, the first driving member being connected to the clutch device, the second driving member being configured to connect the self-locking device, and the release rotary knob being turned to present an initial state and a completely released state, wherein in the course of switching from the initial state to the completely released state, the first driving member activates the clutch device to disengage the power connection, and the second driving member activates the release torsion spring to release.

Abstract: A self-locking mechanism, a motor, and a linear actuator, which relate to the field of self-locking mechanisms and have a stable self-locking performance. The self-locking mechanism includes a friction ring and a mounting seat fixed relative to the friction ring, a notch being provided on the friction ring, the friction ring being sleeved over a rotary body to be braked, a mounting portion for mounting the friction ring being defined on the mounting seat, the mounting seat pressing the friction ring towards the notch to apply a braking force against the rotary body.

Abstract: Disclosed is a linear actuator including a housing, a worm wheel, a rotating screw and a drive nut. The worm wheel drives the rotating screw to rotate. The rotating screw rotates to drive the drive nut to move axially along the rotating screw. A clutch means is arranged between the worm wheel and the rotating screw. The clutch means includes a coupling gear sleeve axially movable relative to the rotating screw. The rotating screw is sleeved with an axial limiting sleeve. The axial limiting sleeve and the housing are abutted axially. The axial limiting sleeve and the rotating screw maintain alignment in an axial direction. When the rotating screw is subjected to an axial load, the rotating screw transmits axial force to the housing through the axial limiting sleeve, and the axial force is not transmitted between the coupling gear sleeve and the axial limiting sleeve in the axial direction.

Abstract: A self-locking arrangement for a motor and a linear actuator which relates to motors. The motor has a self-locking capability, a good stability, a low noisy during operation, and a good user experience. The self-locking arrangement includes an end cap mounted on the motor and a friction ring sleeved over a drive shaft of the motor, a notch being provided on the friction ring, a limiting portion being provided at an outer periphery of the friction ring, the end cap being fitted with the limiting portion, so that the friction ring clasps the drive shaft in a case where the drive shaft rotates along a first direction.

Abstract: A self-locking mechanism for a gearing arrangement, a gearing arrangement, an actuator, and a lifting platform, which relate to the technical field of lifting tables. The self-locking mechanism includes a casing, a self-locking gear, and a brake member, the self-locking gear meshing with the gearing arrangement, the brake member being connected between the casing and the self-locking gear; in a case where the gearing arrangement pushes the self-locking gear forwardly, the brake member releases the self-locking gear, and in a case where the gearing arrangement pushes the self-locking gear reversely, the brake member brakes the self-locking gear.

Abstract: A lifting column includes a drive unit, a lifting tube, and a transmission assembly. The lifting tube includes a first tube, a second tube, a third tube, a fourth tube, and a fifth tube. The transmission assembly includes a first screw rod, a second screw rod, a third screw rod, and a fourth screw rod. The drive unit is in transmission fit with the first screw rod and drives the first screw rod to rotate. A lower end of the second screw rod has a first nut in transmission with the first screw rod, a lower end of the third screw rod has a second nut in transmission with the second screw rod, a lower end of the fourth screw rod has a third nut in transmission with the third screw rod, and a lower end of the first tube has a fourth nut in transmission with the fourth screw rod.

Abstract: A self-locking drive and a linear actuator. The self-locking drive disclosed includes a housing and a drive shaft for outputting a driving force, an endcap being provided at an end portion of the housing, a self-locking mechanism configured to apply a self-locking force to the drive shaft being provided in the endcap; the self-locking mechanism includes a friction seat sleeved over the drive shaft and rotatable synchronously with the drive shaft, and a friction ring mounted in the endcap and secured to the endcap, the friction seat being interference-fitted with the friction ring to enable two-way self-locking to the drive shaft.

Abstract: An operator for controlling electrically adjustable furniture includes a housing and an actuation panel movably supported in the housing to form a cover body. A circuit board is provided in the housing, and a main control unit for detecting an actuation signal is provided on the circuit board. A first switch for generating a first actuation signal and a second switch for generating a second actuation signal are provided between the actuation panel and the main control unit, and a third switch for generating a third actuation signal is provided between a bottom wall of the housing and the main control unit. The main control unit issues a first command when simultaneously detecting the first actuation signal and the second actuation signal, and the main control unit issues a second command when simultaneously detecting the first actuation signal, the second actuation signal, and the third actuation signal.

Abstract: The present disclosure provides a multifunctional hand controller for height-adjustable furniture, and belongs to the technical field of control equipment for electric furniture. The multifunctional hand controller includes a shell. The shell is fixed on the furniture. Switches for controlling the furniture are installed on the shell. The switches include a first switch and a second switch. The first switch is a rotary switch. The rotary switch rotates relative to the shell to generate a first control instruction for controlling the furniture.

Abstract: A one-way self-locking actuator, including: a housing, a one-way self-locking device, and a motor shaft at least one end of which extends out of the housing; the one-way self-locking device includes a pin rod, and a friction cap which is disposed outside the housing and sleeved over the motor shaft; an arc-shaped groove extending helically about an axial direction of the motor shaft is provided on a side wall of the friction cap; the pin rod rotates synchronously with the motor shaft and is sliding-fitted with the arc-shaped groove; the motor shaft brings the pin rod to rotate such that the friction cap is driven by the pin rod to move axially; the friction cap moves axially to contact the housing, whereby friction self-locking or detachment is enabled.

Abstract: An electric actuator having a hand-screw release device, including: housing, drive motor, transmission assembly, rotary screw rod and driving nut, and further including: clutch device configured to engage or disengage power transmission between the transmission assembly and the rotary screw rod; a self-locking device configured to produce a friction resistance against the rotary screw rod when the rotary screw rod rotates reversely; and a hand-screw release device including a release rotary knob, the first driving member being connected to the clutch device, the second driving member being configured to connect the self-locking device, and the release rotary knob being turned to present an initial state and a completely released state, wherein in the course of switching from the initial state to the completely released state, the first driving member activates the clutch device to disengage the power connection, and the second driving member activates the release torsion spring to release.

Abstract: Disclosed is a grease-isolating structure for storing a circuit board, the structure being disposed in an outer tube of a solar actuator, in the outer tube being further provided the circuit board, a through-hole running axially through the outer tube being provided for the outer tube, wherein a cavity for storing the circuit board is provided on a wall of the outer tube, the cavity and the through-hole being isolated from each other. Further disclosed is a solar actuator in which the circuit board storage structure is provided.

Abstract: Disclosed is a filler piece mounting assembly for a lifting column. The lifting column includes a first casing and a second casing sliding in the first casing. The filler piece mounting assembly includes a resilient filler piece and a fixed frame for fixing the resilient filler piece. The resilient filler piece is disposed outside an outer wall of the second casing and axially fixed relative to the first casing. The fixed frame is disposed at a front end of the first casing and moves relative to the first casing. A first inclined surface is disposed on an outside of the resilient filler piece. The fixed frame includes an extrusion part for extruding the first inclined surface, and the extrusion part extrudes the first inclined surface to radially deform the resilient filler piece to adjust a clearance between the resilient filler piece and the second casing.

Abstract: Disclosed is a multi-communication height adjustable desk system including a lifting column for adjusting lifting of a desk top, a drive motor for driving lifting of the lifting column, a controller for sending drive instruction to the drive motor and a manual controller for sending control instruction to the controller. It further includes an intelligent terminal stored with set height of the height adjustable desk. Manual controller includes a first communication module for communicating with the intelligent terminal. Manual controller receives authentication instruction sent by the intelligent terminal through the first communication module. After authentication instruction is verified, first communication module receives set height data of the height adjustable desk sent by intelligent terminal and sends control instruction to controller according to set height data of the height adjustable desk.