326results about How to "With stable" patented technology

The invention discloses a self-loading and unloading heavy-load shelf with an adjustable layer interval, and belongs to the field of shelves. The self-loading and unloading heavy-load shelf comprises a main framework, a layered frame, a manual winch, steel wire ropes, a pulley block, a heavy object and a lifting hook, wherein the layered frame comprises rolling lifting sliding sleeves, heavy-load slide rails and a tray; the heavy-load slide rails are arranged on both sides of the tray, and are arranged on vertical columns of the main framework through the rolling lifting sliding sleeves arranged at the two ends of the heavy-load slide rails; the manual winch is fixed on one side of the main framework, and four steel wire ropes are led out of the manual winch; after the steel wire ropes pass through the pulley block on the top of the main framework, two of the steel wire ropes are combined together and are connected with the hoisting hook, and the other two steel wire ropes are connected with the heavy object; hoisting rings are arranged on the four corners of the tray respectively and are correspondingly connected with the four steel wire ropes, and the tray is lifted or lowered through the manual winch. By adopting the self-loading and unloading heavy-load shelf, the height of a laminate can be adjusted under the condition that the laminate is under load; moreover, loading and unloading of heavy goods can be realized, and the self-loading and unloading heavy-load shelf is particularly suitable for storing heavy goods.

The invention discloses a production method and a production system of an ultrahigh molecular weight polyethylene compound oil pipe. The method utilizes the memory property of the ultrahigh molecular weight polyethylene material and a special composite technology: conducting hole shrinkage treatment on an ultrahigh molecular weight polyethylene lining pipe with outer diameter larger than the inner diameter of a steel pipe, sheathing in the steel pipe, heating to restore inner diameter of the ultrahigh molecular weight polyethylene lining pipe, and forming the lining pipe with the steel pipe into an integral structure to reach a compactness and firmness without layering and stripping. By introducing additives, the invention greatly improves liquidity of the ultrahigh molecular weight polyethylene in order to produce the inner lining pipe with small wall thickness and reduce cost. The ultrahigh molecular weight polyethylene compound oil pipe provided by the invention comprehensively reserves specific superior performances of good memory property, high impact resistance, good temperature resistance, wear resistance, corrosion resistance, wax precipitation and fouling resistance of ultrahigh molecular weight polyethylene pipe. The invention also discloses a production system supporting the production method.

The invention provides a spliced block type tangential magnetizing brushless motor rotor structure with built-in magnetic steel. The spliced block type tangential magnetizing brushless motor rotor structure with the built-in magnetic steel comprises rotor sheet assemblies, a supporting frame 2, the magnetic steel 3, rivets 4, partition plates 5 and a rotating shaft 6. The rotor sheet assemblies are mutually independent, and the magnetic steel 3 conducts tangential magnetizing inside the brushless motor rotor structure. The rotor sheet assemblies are mainly formed by interspersing and stacking a plurality of rotor sheets 1 through the rivets 4, the rotor sheets 1 are arranged on the supporting frame 2 in a spliced mode under the effect of the rivets 4, and flanges are arranged on the rotor sheets 1. The partition plates 5 are arranged on the two sides of the magnetic steel 3 respectively, and the rotating shaft 6 is arranged in a center hole of the supporting frame 2. The invention further provides a corresponding assembly method and a corresponding motor. Rotor leakage can be effectively reduced, the performance of the motor is improved, and the parts are firmly matched, so that the magnetic steel cannot be thrown away; the magnetic steel is not over against air gaps, demagnetization resistance is effectively improved, a traditional narrow side magnetism separation bridge is omitted, and manufacturability of the motor is obviously improved.

The invention discloses an arc core-pulling device for a die, which mainly comprises a movable die insert panel, a teeth row oil cylinder, a teeth row, a fixed gear, a movable gear, a U-shaped gear and a bending core, wherein the movable die insert panel is installed on a movable die, a rod end of a piston rod of the teeth row oil cylinder is connected with the teeth row, the fixed gear is rotatably installed on the movable die insert panel, and the U-shaped gear is installed in the movable die and located below the movable die insert panel; and the movable gear is rotatably connected with one end of the bending core, the outer teeth of the movable gear are respectively engaged with the outer teeth of the fixed gear and the arc inner teeth of the U-shaped gear, and the bending core is slidably connected to the interior of a bending groove of the movable die insert panel. Because the U-shaped gear is provided with the arc inner teeth, the movable gear engaged with the U-shaped gear moves along an arc inner teeth surface to drive the bending core to be stably pulled out from a die cavity. The fixed gear, the movable gear and the U-shaped gear are engaged with each other to realize power transmission as well as stable and reliable running.

The invention discloses a notebook computer A shell automatic spray molding device. The spray molding device comprises a mold, a cleaning mechanism, a spray molding mechanism, a heating mechanism anda conveyor belt. The cleaning mechanism comprises two brackets, X-axis moving components, a Y-axis moving component, a Z-axis moving component and a cleaning component. Each bracket is provided with the corresponding X-axis moving component. The two ends of the Y-axis moving component are connected with the X-axis moving components correspondingly. The Z-axis moving component is connected to the Y-axis moving component. The cleaning component is connected to the Z-axis moving component. The cleaning mechanism is used for compacting a notebook computer A shell in the mold, and cleaning dust andoil stains on the back surface of the notebook computer A shell. The spray molding mechanism is used for spraying the back surface of the computer notebook A shell into black. The heating mechanism is used for drying a dye on the back surface of the notebook computer A shell. A conveying mechanism is used for sequentially moving the mold to the cleaning mechanism, the spray molding mechanism andthe heating mechanism. Therefore, the spray molding device has the effects of automatic processing, high efficiency and low labor cost.

The invention discloses an air conditioner indoor unit which comprises an indoor unit bottom plate (1) and an air conditioner middle frame arranged on the indoor unit bottom plate (1). A left end plate (1101) and a right end plate (1102) are arranged on the indoor unit bottom plate (1). The air conditioner indoor unit further comprises a first hollow structure (1501) and a knocking-off plate (18) detachably installed on the first hollow structure (1501). The air conditioner middle frame comprises an upper middle frame body (1001), a lower middle frame body (1002) detachably connected with the upper middle frame body (1001), a second hollow structure (1502) and a middle frame electric control box cover plate (16), wherein the second hollow structure (1502) is arranged on the lower middle frame body (1002), the second hollow structure (1502) and an electric control box (14) on the indoor unit bottom plate (1) are oppositely arranged inside and outside, and the middle frame electric control box cover plate (16) is arranged on the lower middle frame body (1002). The air conditioner indoor unit has the beneficial effects that demounting of the indoor unit is better simplified, parts in the electric control box are convenient to maintain, and the air conditioner indoor unit is protected.

The invention provides a water distribution and collection device which comprises a water distributor, a water collector and a supporting structure, wherein a water-collection main pipe of the water collector is provided with a plurality of water-collection joints and flow regulating valves which are in one-to-one correspondence with the water collection joints; the flow regulating valves comprise regulating valve cores and regulating caps above the regulating valve cores; the regulating valve cores comprise valve core screw caps fixedly arranged on the water-collection main pipe and regulating bases fixedly arranged above the valve core screw caps; the outer walls of the regulating bases are provided with external thread parts spacing bosses which has certain distance with the upper parts of the external thread parts; the inner walls of the regulating caps are provided with internal thread parts and spacing clamping platforms above the internal thread parts; the regulating caps are upward rotated until the internal thread parts are separated from the external thread parts, the spacing clamp platforms can not continuously move upward as being clamped by the spacing bosses, so that the internal thread parts of the regulating caps can rotate freely at smooth intervals between the external thread parts and spacing bosses of the regulating bases, so that the condition that the regulating caps and the regulating bases are locked can be prevented, the reliability of the water distribution and collection device is improved, and the operation comfort of a user is enhanced.

The invention relates to an elevating roller machine, which comprises a roller machine body and an elevating bracket device, wherein the elevating bracket device is arranged below the roller machine body and is used for driving the roller machine body to move upwards and downwards; the elevating bracket device is used for driving the roller machine body to move upwards and downwards through linearly sliding a movable trolley structure which is arranged on the elevating bracket device; the elevating bracket device is provided with a driving device used for driving the movable trolley structure to move in a reciprocating manner; a transmission post which moves upwards and downwards synchronously with the roller machine body is arranged on the roller machine body in a downwards-projecting manner; and the movable trolley structure is provided with a bump which can be matched with the transmission post in a moving and pushing manner and is used for jacking the transmission post when the movable trolley structure moves relative to the elevating bracket device. When the movable trolley moves, the bump is used for pushing the roller machine body to move upwards; and when the movable trolley structure moves reversely, the roller machine body moves downwards under the action of gravity. A novel roller machine body driving way is provided. Moreover, moving and pushing matching between the bump and the transmission post can be realized, so that the bump and the transmission post are matched smoothly without impacting.

The invention relates to the field of machine manufacturing, in particular to an automatic disengaging type fastening piece locking mechanism used for assembling bolts. The automatic disengaging type fastening piece locking mechanism comprises a servo motor, a reducer, a guide mechanism and a sleeve. The reducer is fixedly connected to the servo motor. The guide mechanism is fixedly connected to the reducer. The sleeve is fixedly connected to a central shaft of the guide mechanism. In work, the servo motor is in a torque mode. The automatic disengaging type fastening piece locking mechanism can output precise torque, and a bolt and a nut can be matched more firmly and reliably.

The invention discloses a trim strip for a shelf, a shelf with the trim strip and a refrigerator with the shelf. The trim strip for the shelf comprises a body. An installation groove with an opening facing left and stretching forwards and backwards is formed in the body. A first anti-skidding protrusion and a flexible anti-skidding strip are formed on the lower surface of the upper side wall of the installation groove. The fixed end of the flexible anti-skidding strip is located at the left side of the first anti-skidding protrusion and the free end of the flexible anti-skidding strip is located below the first anti-skidding protrusion. The trim strip for the shelf is firm in match, not prone to loosening and falling, simple in structure and reliable in assembly.

The invention discloses a numerical control lathe guide rail. The numerical control lathe guide rail comprises a base, wherein a guide rail body is arranged on the base; a trapezoidal convex strip is arranged on the middle part of the guide rail body; grooves are formed on the two sides of the convex strip; strengthening layers are bonded to the convex strip and the grooves; an oil feeding channel is formed in the guide rail body; and the oil feeding channel is communicated with the grooves. According to the numerical control lathe guide rail, the wear resistance of the numerical control lathe guide rail is greatly improved because the strengthening layers are arranged on the surfaces of the convex strip and the grooves; simultaneously, oil can be fed during machining because the oil feeding channel is formed in the guide rail body; the machining efficiency is improved; time and labor are saved; the numerical control lathe guide rail is novel in shape; the guide rail body is matched with a sliding block reliably and firmly; the machining precision is high; the numerical control lathe guide rail is convenient to assemble and disassemble; the strengthening layers can be replaced in time after being damaged, and are convenient to maintain; and the service life of the numerical control lathe guide rail is prolonged.

The invention discloses an electric balance car which comprises a car body, wheels, a drive motor used for driving the wheels, a power supply used for providing power, a circuit board, a controller and a light-emitting lamp, wherein the circuit board is provided with a sensor, the light-emitting lamp is electrically connected with the power supply, and the controller is electrically connected with the circuit board, the power supply and the drive motor. The car body comprises an upper shell, pedals, a middle shell, a lower shell and a lampshade. The middle shell is located between the upper shell and the lower shell. The lampshade is provided with at least two light-pervious lamp strips arranged in a spaced mode. The car body is provided with lamp holes used for containing lamp strips, and the number of the lamp holes and the number of the lamp strips are the same. The lamp strips are sleeved with waterproof rings. The lamp strips is closely pressed to the lamp holes through the waterproof rings. The car body is provided with at least two lamp holes when used for installing and fixing the lampshade. Compared with the structure that only one lamp hole is arranged to be matched with a lampshade, by means of the balance car, the lampshade is firmer when fixedly installed on the car body and is not likely to shake. Besides, the waterproof rings are arranged to achieve the waterproof function.

The present invention relates to a method for producing a hot-forming tool and a hot-forming tool with wear protection. The hot-forming tool (1) for hot-forming processing plate-shaped members (2) has at least one cooled upper tool (3) and a lower tool (4). The upper tool or lower tool (3, 4) has a base body (6) equipped with a molded bellow (7). The base body (6) is optimally made of aluminum alloy, and the molded bellow (7) is optimally made of steel. The molded bellow (7) is optimally used as a wear protective plate (9) or a metal coating (18) applied to the base body (6) and can implement good heat transfer (W) to the upper tool or the lower tool (3, 4) through the plate-shaped member (2) in a less thickness as less as possible. To improve heat radiation capacity, the base body (8) corresponding to the upper tool or the lower tool (3, 4) is provided with a cooling channel (5). The cooling channel (5) is used for flow guide of a heat radiation liquid.

The invention relates to a liquid crystal display device, which comprises a liquid crystal display panel, a backlight module and a first framework. The first framework contains and fixes the backlight module, and includes two opposite sides, each of which comprises an extension sheet extending towards the inside of the first framework. The backlight module and the liquid crystal display panel are arranged overlappedly, and include a second framework which comprises two side walls facing each other and corresponding to the sides of the first framework, and each side wall is provided with a slide groove. The extension sheets are contained in the slide grooves of the second framework. No matter whether discrepancy exists between actual sizes and design sizes of the two frameworks, the structure can still realize firm matching of the backlight module and the first framework, and the liquid crystal display device can be firmer and more reliable after the assembly.

The invention discloses a manual gear-shifting operating mechanism of an automobile. The manual gear-shifting operating mechanism of the automobile comprises a gear-shifting mechanism shell, and a gear-selecting arm assembly and an operating rod which are arranged in the gear-shifting mechanism shell, wherein a bowl matched with a bulb on the operating rod is arranged in the gear-shifting mechanism shell; and the bulb on the operating rod and the bowl are provided with oil storing structures for storing lubricating oil. A sufficient number of grooves for storing a lubricating medium are formed among the gear-shifting mechanism shell, the bulb and the bowl, so that the gear-shifting operating mechanism has small friction, the gear-shifting operation is more smooth, a phenomenon that the gear-shifting operating mechanism does not work smoothly in the gear-shifting process is avoided, and the convenience of the gear-shifting operation is improved; and a bowl structure is employed to position the bulb, so that the gear-shifting operating mechanism is simple in structure, firm in matching, low in cost and convenient to assemble.

The invention provides a shopping cart conveying system. A cart comprises a shopping frame, shopping supports, front wheels and rear wheels. The shopping cart conveying system comprises a connecting assembly, a support and cart conveying units. The connecting assembly comprises a cross rod connected with the middles of the shopping supports and two support rods connected with the cross rod; and a clamping portion is formed at the other end of each support rod. The cart conveying units are arranged on the support. Each cart conveying unit comprises a base plate, a guide rail, an anti-bouncing cover plate, two chains, conveying guide blocks and a driving component, wherein each base plate is arranged on the support, and a support portion is arranged in the middle of each base plate; each guide rail is arranged on the upper surface of the corresponding support portion, and limiting grooves are formed in the two side walls of each guide rail; each anti-bouncing cover plate comprises a support portion and two limiting anti-bouncing portions, and two limiting anti-bounding cavities are formed by every two limiting anti-bouncing portions and the corresponding guide rail; every two chains are arranged in the corresponding limiting grooves; and the conveying guide blocks are arranged on the outer wall of a chain plate outside the chains. By means of the conveying system, rollover accidents occurring in the conveying process can be effectively prevented; stability is good; steady operation is achieved; multiple carts can be conveyed at the same time; conveying efficiency is high; and the shopping cart conveying system is reasonable in structural design, low in production cost and good in economic benefit.

The invention discloses a core iron assembly for a four-way reversing valve. The core iron assembly comprises a dragging frame (1), a core iron (2) and a reed (3), wherein the core iron (2) is made of a metal material, the dragging frame (1) is made of a non-metal material, and the reed (3) is fixed on the dragging frame (1) by heating and deforming the dragging frame (1). By adopting the structure and due to the fact that the dragging frame (1) is made of the non-metal material, the core iron assembly has lighter mass compared with the dragging frame made of the metal material in the prior art, the production cost is reduced, and the energy consumption is reduced. The invention further provides a four-way reversing valve including the core iron assembly.

The invention belongs to the field of pipeline cleaning equipment and particularly relates to a portable pipeline inner wall electric cleaning device. The portable pipeline inner wall electric cleaning device comprises a work assembly, a power controller and a flexible shaft. A special-shaped sheave is fixed to a power input shaft in a sleeving mode, the appearance of the special-shaped sheave is cylindrical, the cylinder surface of the special-shaped sheave is surrounded by a wavy groove part, the waving direction of the groove part is parallel to the axis direction of the special-shaped sheave, and the groove part is of an axial symmetry structure with the axis of the special-shaped sheave as the axis of symmetry. The special-shaped sheave is coaxially sleeved with a cleaning shaft sleeve, a ball containing hole or a ball containing groove is formed in the inner cylinder wall of the cleaning shaft sleeve in a recessed mode, and containing space for containing a ball and enabling the ball to roll is defined by the ball containing hole or the ball containing groove and the groove part jointly. The outer wall of the cleaning shaft sleeve is fixedly connected with a cleaning brush. The device is low in use cost and high in portability, and meanwhile conforms to the operating purposes of high efficiency, automation and the high cleaning effect required by existing pipeline cleaning.

The invention discloses a base made of composite materials. The base comprises an upper end cover and a lower end cover. The upper end cover comprises an upper annular end cover body and a big-end-down first cone arranged below the upper end cover body. The lower end cover comprises a lower end cover body and a big-end-up second cone arranged above the lower end cover body. A cylinder is arranged between the upper end cover and the lower end cover. The inner wall of the upper portion of the cylinder is in close fit with the outer wall of the first cone, and the inner wall of the lower portion of the cylinder is in close fit with the outer wall of the second cone. A reinforcing rib is arranged at the position, below the upper end cover, on the outer side of the cylinder. The upper end cover, the cylinder, the reinforcing rib and the lower end cover are all made of composite materials. In addition, the invention further discloses a manufacturing method of the base made of the composite materials. All the portions of the base made of the composite materials are made of the composite materials, and the base made of the composite materials has the advantages of being high in axial rigidity, good in heat stability under the space high-low temperature environment, small in negative quality, high in modularization degree, good in reliability, excellent in overall performance and the like.

The invention discloses a high-low-high split type lining board for a semi-autogenous mill barrel and an operation method. The lining board consists of high battens, batten bodies, upper planes, lower planes, inclined edges, matching slopes, grinding slopes, connecting bolt mounting holes, low battens, bottom boards, bottom board bodies, upper square planes, lower square planes, grooves, side surfaces, positioning slopes, lifting lugs, hanging holes, connecting bolts and a barrel body. The replacement period of the overall lining board of the barrel is prolonged, the production cost of the overall lining board of the barrel is reduced, the continuous stability of movement states of grinding media and materials is guaranteed, the grinding efficiency is improved, the lining board has characteristics of universality, excellent abrasion resistance, bottom board replacement specificity and the like, and the stability of the movement state of the materials in the barrel can be guaranteed.

The invention provides a supporter for a decelerating clutch of a rotary drum washing machine, and relates to the technical field of washing machine, in particular to a reform proposal to a supporter for a decelerating clutch of a rotary drum washing machine. The supporter mainly comprises a supporting plate and a supporting base mutually connected, and is provided with a special bearing block and various reinforcing ribs; and a universal elastic locating ring made of a metal material is placed into the specific bearing block to make bearings matched firmly with little deformation and low noise. The material of the supporter is engineering plastics which are thermoplastic engineering plastics and thermosetting plastics or combinations thereof; and instead of the prior steel plate pressed components or nonferrous metal pressed components and electroplating process which is easy to pollute environment in order to save metal steel materials, simplify processing technology, improve processing efficiency and shorten production cycle; therefore, the supporter reduces production cost greatly. The engineering plastics are resistant to acid, base, wet and corrosion, and have light weight and high strength, so the service lives of the decelerating clutch and the rotary drum washing machine are effectively prolonged.

The invention discloses a magnetic latching relay with a dual-holder magnetic circuit structure and an assembly method of the magnetic latching relay. The magnetic latching relay comprises a magnetic circuit part, an armature part and a base; the yoke of the magnetic circuit part is provided with a first lug boss, while the armature part is provided with a rotating shaft; the magnetic latching relay further comprises two holders; each holder is provided with a fixing hole for matching with the first lug boss of the magnetic circuit part and a rotating shaft hole for matching with the rotating shaft of the armature part; the two holders are matched with the two sides of the magnetic circuit part and the armature part to form an integrated magnetic circuit system assembly; insertion structures are arranged between the inner sides of the two sidewalls of the base and the corresponding holders; the magnetic circuit system assembly is assembled in the base by use of the insertion structures. According to the magnetic latching relay, the magnetic circuit part and the armature part are pre-assembled into the integrated structure by use of the holders, and consequently, the magnetic circuit part and the armature part can be mounted in the base very easily; on one hand, the assembly difficulty is greatly reduced, and on the other hand, the assembly chips also can be effectively avoided.

The invention discloses a mechanical seal for a boiler feed pump. The mechanical seal comprises a moving ring assembly and a stationary ring assembly which sleeve a transmission shaft (17) of the feed pump, wherein the moving ring assembly comprises a moving ring (4), a spring seat (13), a spring (7) and a transmission seat (14); one end of the moving ring (4) is propped against the end face of a stationary ring (3), and the other end of the moving ring (4) is connected with the spring seat (13); the two ends of the spring (7) are propped against the spring seat (13) and the transmission seat (14) respectively; the transmission seat (14) is in close fit with a transmission shaft (17); a channel communicated with the inner cavity of a sealing chamber (12) is formed in the circumferential wall of the transmission seat (14); a circumferential limiting device is arranged between the moving ring (4) and the transmission seat (14). Through the adoption of the structure, the heating spring can be timely cooled and flushed, so that the service life of the spring is prolonged, and further, the sealing performance of the mechanical seal is guaranteed.

The invention discloses a cooker cover assembly and a pressure cooker. The cooker cover assembly comprises an outer cover and an inner cover assembly. The lower surface of the outer cover is providedwith outer cover protrusions in a protruding mode, the outer cover protrusions are distributed on the periphery of the center of the outer cover to define clamping grooves, the upper surface of the inner cover assembly is provided with inner cover protrusions corresponding to the outer cover protrusions, the inner cover protrusions are clamped in the clamping grooves, and the outer side faces of the inner cover protrusions abut against the inner side faces of the outer cover protrusions. According to the technical scheme provided by the invention, the disassembly and assembly of the inner cover assembly can be conveniently and simply completed through cooperation between the outer cover protrusions and the inner cover protrusions, and the outer side faces of the inner cover protrusions abut against the inner side faces of the outer cover protrusions, so that in the cooking process of the pressure cooker, the middle of the outer cover deforms and rises, the outer cover protrusions are drawn close inwards, the inner cover protrusions on the inner side are extruded, matching between the outer cover protrusions and the inner cover protrusions is firmer, and the risk that the inner cover assembly is prone to fall off is reduced.

The invention provides a display screen assembly which comprises an embedded box, an installation support, a display screen module and a cover plate assembly. The display screen is located inside the display screen module. The installation support comprises a supporting wall, and a peripheral wall convexly stretching from the peripheral edge of the supporting wall to the same side of the supporting wall. The side, facing the peripheral wall, of the supporting wall is provided with a positioning piece for positioning the display screen module, a plurality of clamping buckles for clamping the display screen module and mouth-shaped frame ribs for supporting the display screen module. The display screen module is provided with a clamping groove matched with the clamping buckles. When the display screen module is assembled to the installation support, the display screen module is supported on the mouth-shaped frame ribs. The mouth-shaped frame ribs are arranged on the installation support, matching of the display screen module and the installation support is more stable, and a certain gap exists between the display screen module and the installation support, so that air circulation is ensured, and heat is prevented from being gathered.

The invention provides a finger type cover grabbing hand. The middle of a cover grabbing finger is arranged on a support through a hinge pin, the upper end of the cover grabbing finger is provided with a roller, the lower end of the cover grabbing finger is connected with a spring, a pull rod provided with an inclined face drives the roller to move and acts together with the spring to drive the cover grabbing finger to open and close, and a plurality of cover grabbing fingers are evenly distributed along the periphery of the support. The finger type cover grabbing hand adopts the pull rod and the spring to drive the cover grabbing fingers to move, replaces air cylinder driving in the prior art, enables structure to be simpler, and lowers cost. The plurality of cover grabbing fingers exert forces on a bottle cover at different directions to position the bottle cover, cover sealing quality and working efficiency are improved, and simultaneously harm to the bottle cover is avoided.

The invention relates to the field of fixing devices for lamp holders, in particular to a quick disassembly and assembly mechanism of a ceiling lamp. The mechanism comprises a fixed plate and a mounting plate, wherein the fixed plate is fixed on a ceiling, and a first lock catch assembly is arranged on the fixed plate; the mounting plate is used for mounting the lamp and hinged on the fixed plate, and a second lock catch assembly is arranged on the mounting plate; and the mounting plate is detachably locked on the fixed plate by the match of the second lock catch assembly and the first lock catch assembly. Compared with the prior art, the separation and locking of the mounting plate and the fixed plate are realized by mutual separation and locking of the second lock catch assembly and the first lock catch assembly, so the mechanism is convenient to disassemble, assemble, clean and connect.