78results about How to "Reduce connection parts" patented technology

The invention relates to a railway vehicle side wall and a welding method thereof. A manner of reducing connecting parts and improving the modularization degree is adopted; and for avoiding generating spot welding indentations, the side wall integrally adopts a laser welding manner to effectively improve welding intensity and control and reduce heat input so as to solve the problem of deformation of a stainless steel side wall. The side wall comprises a plurality of groups of side wall units, a door frame, a side wall upper edge beam and a threshold which are connected into one integral structure. The door frame is in welding connection with the side wall units; above the door frame, each two adjacent side wall units are abutted by a doorway abutting element and meanwhile, the doorway abutting element is in welding connection with the door frame; each side wall unit comprises a plurality of groups of beams and uprights, which are overlapped; and the beams are connected with the uprights in a laser welding manner.

The invention discloses an integrated wellhead continuous dosing device which comprises a power end and an overflowing end in mutual connection with each other, wherein the power end comprises a cylinder and a plunger; the cylinder is vertically arranged; the plunger is inserted into a chamber of the cylinder; an extending end of the plunger is connected with a power source; a compression spring for resetting the plunger is arranged between the chamber and the plunger; the overflowing end comprises a channel which is respectively in annular communication with the chamber, a drug kit and a wellhead. Compared with the prior art, the integrated wellhead continuous dosing device has the advantages of simple structure, stability and reliability in work, high adaptive capacity to environment, accurate dosage and convenience in maintenance and repairing.

The invention discloses a moveable chemical mixer. The chemical mixer comprises a drug bag, a shrinkage section, an expansion section, a leaking screen and a spiral organ; the spiral shrinkage section is in threaded connection with the expansion section, and the leaking screen is adaptively connected with the shrinkage section and the expansion section; the spiral organ is arranged in the expansion section and in threaded connection with the expansion section; both ends of the drug bag are in threaded connection with the shrinkage section and the expansion section. By adopting the chemical mixer, pesticide is integrated to the mixer, so that the online mixing is realized, the mechanical structure is simplified, flowing path of the pesticide is greatly reduced, pesticide pollution to agricultural implements are reduced, and environment is protected; besides, the mixing efficiency of the chemical mixer is improved.

The invention discloses a sealed undercarriage control handle with locking and unlocking functions. The sealed undercarriage control handle comprises a handle operating component, a transient dynamic mechanism and a locking and unlocking component, and is characterized in that the handle operating component comprises a handle (2), a clamping plate (25) and a cam (33); the clamping plate (25) is fixedly mounted on a mounting plate (14); the handle (2) is rotatably connected with the clamping plate (25); the cam (33) is mounted at the lower end of the handle (2) and is rotationally matched with the mounting plate (14) and a bushing (26); the transient dynamic mechanism comprises a pillar (36), a piston (13), a guide cylinder (11) and a swing plate (9); the pillar (36) is mounted at the lower end of the handle (2) and is rotationally matched with the piston (13); the piston (13) is matched with the guide cylinder (11) in a sliding manner; the swing plate (9) is rotatably mounted at the tail end of the guide cylinder (11); and a leaf spring (24) and a microswitch (23) are fixed on the mounting plate (14). The sealed undercarriage control handle is reliable in performance, is safe and practical, and is suitable for being popularized and applied in handle locking and unlocking operations of aircrafts.

The invention discloses an integrated wellhead continuous dosing device which comprises a power end and an overflowing end in mutual connection with each other, wherein the power end comprises a cylinder and a plunger; the cylinder is vertically arranged; the plunger is inserted into a chamber of the cylinder; an extending end of the plunger is connected with a power source; a compression spring for resetting the plunger is arranged between the chamber and the plunger; the overflowing end comprises a channel which is respectively in annular communication with the chamber, a drug kit and a wellhead. Compared with the prior art, the integrated wellhead continuous dosing device has the advantages of simple structure, stability and reliability in work, high adaptive capacity to environment, accurate dosage and convenience in maintenance and repairing.

The invention relates to a distributor of compressed natural gas. The distributor (10) is a hollow shape. A plurality of interfaces (11) connected with gas cylinders (2) are evenly distributed on the distributor (10) and an access (12) connecting a cavity (14) with an intake pipeline (21) and an exhaust pipeline (22) is also arranged on the distributor (10). An integrated hand stop valve type over-current protective valve (20) is installed at the external port of the access (12). An air charging system like the distributor can inflate each gas cylinder (2) separately with good inflation effect, quick speed, low cost and being relatively safe.

The purpose of this invention is to reduce the number of components mounted on a printed circuit board and the area taken up by said components. This MOSFET semiconductor device, in which a transistor is formed from a plurality of semiconductor layers formed inside a semiconductor substrate, has a source electrode, a gate electrode, a drain electrode, and a gate-insulating film and is characterized by the provision of the following: an insulating film formed on a first principal surface of the semiconductor substrate; a resistive film that is formed on said insulating film and is electrically connected to the drain electrode; and an ohmic electrode that is formed on the resistive film and serves as a surface-mount terminal. This design makes it possible to reduce the number of components mounted on a printed circuit board, reduce the area taken up by said components, and convey heat generated in the resistive film to the printed-circuit-board side, preventing a MOSFET from malfunctioning due to heat.

The invention relates to a circular helical-line radio-frequency lightning protection method and a lightning protection device. Coaxial transmission lines are arranged inside outer conductor shells of the lightning protection device, and the coaxial transmission lines are supported by insulation media on the middle parts inside the outer conductor shells to form coaxial structures with outer conductors; the middle of the coaxial transmission lines are serially connected with a conical compensation transmission coaxial line and a helical line-type short-circuit wire; gas discharging pipes are arranged between the helical line-type short-circuit wire and an input-end outer conductor to separate the helical line-typed short-circuit wire from the input-end outer conductor, and the conical compensation transmission coaxial line, the helical line-typed short-circuit wire and the gas discharging pipes form a feeding and lightning protection circuit; and the lightning protection can be realized through the lightning protection circuit with the feeding function. A plurality of radio-frequency systems can be simultaneously covered, and the normal work of third-generation (3G) radio-frequency receiving-transmitting system such as global system for mobile communication (GSM), code division multiple access (CDMA), time division-synchronous code division multiple access (TD-CDMA) and the like can be guaranteed; and at the same time, the short-circuit wire adopts a helical-line structure, the compensation coaxial wire adopts the conical design, and the input-end outer conductor and an output-end outer conductor are in a circular structure, so the size of the product is small, the product is simple and convenient to connect, the contact resistance is effectively reduced, and the transmission performance of the product is improved.

The invention provides a multifunctional well killing and blowout manifold. Including four-way, three-way, manual throttle valve, flat valve and one-flow valve; the two interfaces of four-way A are respectively connected with flat-plate valve A and flat-plate valve D, and the other two interfaces of four-way A are reserved; the above-mentioned flat Valve A is also connected with one interface of three-way A; the other two interfaces of three-way A are respectively connected with plate valve B and one-flow valve; plate valve B is also connected with one interface of four-way B; four-way B The other interface of the valve is connected with the plate valve C, and the other two interfaces of the four-way B are reserved; the above-mentioned plate valve D is also connected with one interface of the three-way B; the other two interfaces of the three-way B are respectively connected with the manual throttle valve. Connect to flat valve C. The invention has the advantages of reasonable and compact structure, few connecting parts, small occupation space, safe and reliable operation, combining the existing killing manifold and choke pipe into one, convenient operation, and has the advantages of well killing, blowout, positive and negative circulation washing. Well and other functions.

The invention discloses an integrated oxygen supply valve. A valve body, a valve cover, a filling module, a flow adjusting module and a pulse oxygen supply module are included, wherein the filling module, the flow adjusting module and the pulse oxygen supply module are arranged on the valve body and the valve cover. Oxygen in a gas tank is output by the pulse oxygen supply module after passing through the filling module and the flow adjusting module. The pulse oxygen supply module comprises a gas inlet unit, a gas outlet unit and a gas suction unit. The gas inlet unit comprises a sixth gas wayand a seventh gas way which conduct gas inflow from the same gas inlet source. The gas outlet unit comprises a gas outlet outer connector arranged on the valve body, a gas outlet valve plate and a gas outlet cavity. The gas suction unit comprises a gas suction outer connector arranged on the valve cover, a gas suction valve plate and a gas suction cavity, the gas suction valve plate is provided with a gas inlet protruding nozzle communicating with the gas outlet cavity, and a gas inlet membrane for opening and closing the gas inlet protruding nozzle is arranged above the gas inlet protrudingnozzle. An integrated mechanical structure is adopted in the valve, filling operation and usage are simple and convenient, the different-flow requirements can be met, and different-breathing-manner requirements can be met as well.

The invention relates to an automobile engine comprising an engine body and a valve mechanism arranged on the body. The body comprises a cylinder; a slide block is connected with a piston connecting rod reciprocating in the cylinder; a groove slide way is opened on the outer wall of a rotor meshed with a power output shaft; the slide block is positioned in the groove slide way to form linkage between the piston connecting rod and the rotor; the valve mechanism comprises a valve switch rotating shaft and a valve switch cam which is arranged on the valve mechanism and control the switch of gas inlet / outlet valves; transmission between the valve switch rotating shaft and the power output shaft is realized by means of engagement system. The automobile engine drives the rotor to rotate by the piston connecting rod, has simple rotating structure, low noise, and small size, thereby reducing manufacturing cost and improving output power of the engine.

The invention discloses a multifunctional spectacle frame which comprises a spectacle frame, spectacle legs and rotary shafts. Each spectacle leg comprises a first body, a second body, a third body and a bending part; each third body is rotatably connected with the bending part through the corresponding rotary shaft; a third holding cavity and a third groove with an inclined opening are arranged on each third body; each bending part comprises a rotary part located in each third groove, a connecting part, and a third main body matched with each third groove; a spring is arranged in each third holding cavity; an arc-shaped clamping bulge is connected onto each spring; a positioning groove matched with each arc-shaped clamping bulge is arranged on each rotary part; a second holding cavity isarranged in each second body; a small telescopic rod is arranged on each third body; each second body sleeves on the outer part of each small telescopic rod; each small telescopic rod stretches out and draws back through a bolt; each bolt is located on the side edge of a small second body. The multifunctional spectacle frame has the characteristics that the length of each spectacle leg and the angle of each bending part can be adjusted so as to adapt to a wearer in a human friendly manner, and the first holding tank for placing bolts is arranged, so that the efficiency is improved.

The invention relates to an F25B refrigeration machine, a refrigeration device or system class in international patent classification (IPC) through searching, and particularly belongs to a refrigeration screw compressor suction end base with a check valve. According to the technical scheme adopted by the invention, the refrigeration screw compressor suction end base comprises a suction end body (1), and is characterized in that an end body sealing surface (2) is made on the suction end body (1), and a check valve (3) is arranged on the end body sealing surface (2). The refrigeration screw compressor suction end base with the check valve has the beneficial effects that the check valve in a compressor replaces an external pipeline check valve, and thus the back flow on a high pressure side and a low pressure side of the compressor is effectively prevented to ensure that suction pipelines in the design of the compressor unit are more simplified, connecting parts of external pipelines are reduced, and refrigerating fluid leakage points are reduced; and due to the adoption of the structure design of the flap check valve, the convenience is brought for checking and cleaning a filter of the compressor, and the suction resistance can be effectively reduced and the refrigerating capacity of the compressor is increased.

The invention discloses a gas cylinder type pressure-stabilizing dual-mode oxygen supply device. The gas cylinder type pressure-stabilizing dual-mode oxygen supply device comprises a gas cylinder, a nasal oxygen tube and an integrated valve mounted on the gas cylinder, wherein a nasal suction joint on the nasal oxygen tube is inserted into a nasal cavity of a user; a gas outlet outer joint and a gas suction outer joint of the integrated valve are connected with a gas inlet of the nasal oxygen tube; the integrated valve comprises a valve body, a valve cover, a filling module, a flow regulatingmodule and a pulse oxygen supply module, wherein the filling module, the flow regulating module and the pulse oxygen supply module are mounted on the valve body and the valve cover; oxygen in the gascylinder passes through the filling module and the flow regulating module and then is output by the pulse oxygen supply module; the pulse oxygen supply module comprises a gas inlet unit, a gas outletunit and a gas suction unit; and the gas inlet unit comprises a sixth gas channel and a seventh gas channel which are used for feeding gas through the same gas inlet source. According to the gas cylinder type pressure-stabilizing dual-mode oxygen supply device, all mechanical parts are adopted to realize continuous and pulse dual-mode oxygen supply, and a pressure stabilizing module and the filling module are integrated inside, so that the device structure and gas guide tube connection are simplified, and therefore, use of the user is convenient.

The invention provides a fabricated multi-limb steel column-simple support concrete board residential building structure system and a construction method thereof. The residential building structure system comprises vertical bearing units, transverse bearing units and prefabricated slabs. Each vertical bearing unit comprises a vertical bearing section or is formed by vertically and sequentially butt-jointing a plurality of vertical bearing sections. In short, the fabricated multi-limb steel column-simple support concrete board residential building structure system is simple in construction andhigh in reliability, a large number of reinforcing bar projects in a construction site are avoided, and the construction efficiency is improved.

The invention discloses a Fen-flavor liquor fermentation device, which relates to the field of liquor processing. The Fen-flavor liquor fermentation device specifically comprises a fermentation barrel, wherein the top end of the fermentation barrel is fixedly provided with a feeding tube communicated with the fermentation barrel, and the middle portion of the feeding tube is provided with a screwrod with the lower end extending into the fermentation barrel and also provided with a feeding tray matched with the screw rod in a threading manner; the lower end of the screw rod is fixedly providedwith an electromagnet, the bottom of the feeding tray is provided with a permanent magnet, and the lower end of the feeding tube is provided with a touch switch electrically connected with the electromagnet; a dispensing pipe is arranged outside the feeding tube, a dispensing passage communicated with the fermentation barrel is formed between the dispensing pipe and the feeding tube, and the dispensing passage is a venturi tube; the upper portion of the fermentation barrel is provided with a yeast storage box, a red aspergillus storage box and a warm water box which are respectively providedwith a pipeline I, a pipeline II and a pipeline III for communicating each storage box and the middle portion of the dispensing passage; and the upper end of the dispensing passage is provided with asupercharging fan connected with the feeding tube in a rotating manner, and when the feeding tray rotates, the supercharging fan is driven to rotate. The device can automatically dispense rice to be fermented.

The invention belongs to the technical field of reversing valves, and particularly relates to an integrated electric four-way reversing valve. The integrated electric four-way reversing valve comprises a motor, a transmission device, a valve body, a first rotation valve element and a second rotation valve element. The motor drives the first rotation valve element and the second rotation valve element to synchronously rotate through the transmission device. A first runner, a second runner, a third runner and a fourth runner are arranged in the valve body. The first runner is provided with a first circulation hole, the second runner is provided with a second circulation hole, the third runner is provided with a third circulation hole, and the fourth runner is provided with a fourth circulation hole. The first rotation valve element can rotate back and forth between the first position where the first circulation hole is blocked and the third position where the third circulation hole is blocked, and the second rotation valve element can rotate back and forth between the second position where the second circulation hole is blocked and the fourth position where the fourth circulation hole is blocked. The integrated electric four-way reversing valve is high in integration level, assembling is simple, and few leakage points exist.

The invention discloses an emergent put-down mechanism for an undercarriage. The emergent put-down mechanism comprises a rocker arm capable of retracting and putting down the undercarriage, and further comprises a fixed supported rotating shaft, a rotary plate arranged on the rotating shaft and capable of rotating around the rotating shaft, a supporting base arranged on the rotary plate, and a pulling handle fixedly connected to the supporting base. The rocker arm is connected to the rotating shaft in a sleeving mode and can rotate around the rotating shaft. The emergent put-down mechanism further comprises a driving mechanism for driving the rotary plate to rotate. The emergent put-down mechanism is simple in structural style, high in bearing capacity, direct in force transmission, smallin connecting part quantity, convenient and fast to operate and enough in reliability.

The invention discloses a specially-shaped plastic soft bottle material arranging device. The device comprises a machine frame. A feeding device, a conveying device and an arranging device are arranged on the machine frame. The arranging device comprises a material distribution device, a reversing device and a righting device, wherein the material distribution device, the reversing device and the righting device are arranged on the conveying device in sequence. The reversing device is used for reversing the mouths and the bottoms of bottle bodies to keep the directions of the mouths and the bottoms of all the bottle bodies consistent. The righting device is used for righting the bottle bodies which are transversely conveyed and keeping the bottle bodies upright while being conveyed. According to the specially-shaped plastic soft bottle material arranging device, the bottle bodies can be conveyed, it is achieved that the bottle bodies are arranged while being conveyed, and full-automatic production and packaging are convenient to implement; because all the bottle bodies are conveyed in the upright state, the bottle bodies can directly enter the next working step, so that the processing on the next working step is convenient to implement, and so on; and automation is achieved, the time is saved, and in the process, the bottle bodies are free of vibration or collision or friction, and the quality of the bottle bodies is improved.

The invention provides a battery box body and an automobile with the battery box body. The battery box body comprises multiple box body units, wherein the multiple box body units are arranged in sequence; each box body unit is formed by arranging one bottom plate and multiple side plates in a surrounding manner; the multiple side plates comprise one connecting side plate and multiple fence side plates; the connecting side plates between adjacent box body units are abutted; moreover, the bottom plates, the connecting side plates and the contiguous fence plates of the adjacent box body units areall connected; the connecting side plate of each box body unit is provided with a wiring passage. The battery box body provided by the invention is formed by splicing the multiple box body units; during assembly, the adjacent box body units only need to be connected; the assembly is simple and the realization is easy; in addition, as connecting parts of the battery box body provided by the invention are less, the integral strength of the battery box body is enhanced. In addition, a mold is simple; the expense of the mold is low; the batch production is convenient and the production efficiencyof a battery pack box body can be obviously improved.

The invention relates to a separated bracket node structure for steel structure beam column connection, a manufacturing method and a residential structure system. The node structure comprises steel columns and a steel girder, wherein the end part of the steel column is provided with a flange plate base; a separated bracket wing edge plate is arranged in a position, with the preset length from theflange plate base, on the outer side wall of the steel column; the adjacent upper and lower steel columns are connected through high-intensity screw bolts; the upper and lower wing edges of the steelcolumns are fixedly connected with the flange plate bases at the end parts of the upper and lower steel columns through high-intensity screw bolts. The mode structure has the advantages that the fieldbutt joint penetration welding at bolting and welding connection node wing edges and column connection parts is omitted; the full screw bolt assembly in construction sites is realized; meanwhile, compared with a traditional full screw bolt connection node, the node structure omits screw bolts in beam web plate positions. A laying lap joint mode in the wing edge position is used; the beam construction in-position and screw bolt connection is convenient; the construction speed is accelerated.

To provide a body cover mounting structure of a motorcycle capable of enhancing the producibility through a decrease in the man-hours for assembly and reducing the cost by means of simplification of the construction. A pair of body covers 34L and 34R are equipped with front engaging pieces 58 installed in the front part and cover mounting pieces 45L and 45R installed inside, respectively, and a leg shield 33 is provided with an engaging hole 51 to engage the front engaging pieces 58 and rear mounting pieces 49 extending backward inside the body covers 34L and 34R and fastened together with the two cover mounting pieces 45L and 45R.

The invention relates to a battery box and an electric vehicle, the battery box comprises a battery module, a cooling device and a box body, the cooling device comprises a cooling pipe and a cooling pipe joint, and the two ends of the cooling pipe are in sealed connection with the cooling pipe joint; a module accommodating bin and a joint accommodating bin are arranged in the box body, and the module accommodating bin is isolated from the joint accommodating bin; the battery module is arranged in the module accommodating bin; and the cooling pipe connector penetrates through the box body, part of the cooling pipe connector is arranged on the outer side of the box body, and part of the cooling pipe connector is arranged in the connector containing bin. The cooling device disclosed by the invention does not have the risk of leakage of the cooling liquid at the brazing part, meanwhile, the connecting parts of the cooling pipe and the cooling pipe joint are few, and the connecting parts are isolated from the battery module, so that the influence of leakage of the cooling liquid at the connecting parts can be effectively avoided, and the safety and the stability of the battery box body are improved to a great extent.

The invention discloses a manufacturing method of an anti-collision beam. The manufacturing method comprises the following steps that S1, a natural wood board is prepared; S2, lignin and hemicellulose in the wood board are cleaned to form the wood board with a plurality of pore channels; S3, the wood board is put into shear thickening liquid, and the shear thickening liquid penetrates through all the pore channels to be immersed into the wood board and attached to the wood board; S4, the wood board is compacted; and S5, a sealing layer is arranged on the end face of the wood board for end sealing. According to the manufacturing method, the wood board is filled with the shear thickening liquid to form the anti-collision beam, the anti-collision beam can fully absorb energy generated by collision, the safety performance of a vehicle is improved, and the damage to personnel caused by collision is effectively reduced, and the anti-collision beam belongs to the technical field of automobile anti-collision structures.

The invention discloses a device and method for verifying oil resistance of a rubber seal ring. The device comprises a base, a supporting rod, a detection clamping plate, clamping plates, the to-be-tested rubber ring, a spiral pipe and an oil tank. The supporting rod penetrates through the oil tank, the spiral pipe heats liquid in the oil tank, and the to-be-tested rubber ring is connected with the perforated end of the oil tank and is adjusted through a screw rod and a nut. The device has the advantages that the structure is simple, the number of connecting parts is small, and the device canbe operated and used in a standard laboratory or a production site; the number of rubber seal ring performance evaluation and verification parameters is large, and by adjusting the nut, the spiral pipe and a booster pump and injecting different kinds of oil liquid, the compression amount, temperature and pressure of the rubber seal ring and the influence of the sealing oil liquid on the sealing performance of the rubber ring are evaluated and verified; the sealing performance of the rubber ring in the actual use process is objectively represented, so that a quantifiable sealing property representation device is provided for batch quality assessment of the rubber ring and analysis of the oil leakage amount of failure parts.

The invention discloses a vehicle-mounted support, comprising a carrying component and a supporting component used for being connected with a headrest supporting rod of a car front seat. The vehicle-mounted support fits with headrest supports different in width by extruding a spring; when the vehicle-mounted support is in use, the spring is in a compressed state, integral connecting tightness canbe enhanced, which is conducive to fixing a cell phone and a flat computer well, thus being in favor of maintaining vision; a base is in spherical hinge with a connecting platform of a carrying plate,and the base is in damping self-locking with the connecting platform of the carrying plate; the base can be adjusted to different angles, and can adapt to cell phones and flat computers different insize by adjusting clamping plates; a limiting plate is capable of holding side edges of the cell phone or flat computer, and thus, supported by pressure from three directions, the cell phone and the flat computer is more difficult to fall off; a horizontal pipe, supporting rod connecting half pipes and two positioning blocks are of an integrally formed structures, so that connecting parts are reduced, and the stability of the structure is reinforced; and friction between the metal shells of the cell phone and the flat computer and the carrying plate is increased by a skid-resistance cushion, so that a preventive effect is exerted.

The invention discloses a propeller blade root and a connecting structure of a propeller blade root and a propeller hub. The head of a blade handle is a cylinder with a larger diameter, a circular truncated cone with a smaller diameter, a cylinder with a smallest diameter, a circular truncated cone with a larger diameter, a transition cambered surface and a cylinder with a largest diameter are sequentially arranged behind the blade handle, the cylinder with the larger diameter is provided with an external thread and a key groove, and a conical groove is formed in the center of the end face ofthe other end of the blade handle; and a connecting through hole is formed in the circular truncated cone with the increased diameter along the radial direction of the blade handle. An accommodating hole for the head of the propeller root is formed in the outer end surface of the stop block in the propeller root mounting hole; a propeller hub inner sleeve and a thrust bearing inner sleeve are pressed and fixed together; the propeller root penetrates through an inner hole of the propeller hub inner sleeve, and the head of the propeller root is locked and fixed to the inner end wall of the propeller hub inner sleeve through a locking piece and a nut I; and a bolt penetrates through the fixing hole of the propeller hub inner sleeve and the bolt connecting hole of the propeller root and is locked and fixed by a nut II. The propeller root is simple in structure, small in diameter, high in strength, simple in connection structure with the propeller hub, fewer in connection parts and high inconnection strength, and the manufactured propeller is small in size, light in weight and high in strength.

The invention relates to an automobile sunroof, in particular to a rear tilting mechanism moving assembly for an automobile sunroof; the rear tilting mechanism moving assembly comprises a slide rail, a rear tilting mechanism, a driving slider and a flexible shaft, the rear of the driving slider is provided with a rear slide groove, a motor drives the flexible shaft to slide in the slide rail, and the flexible shaft drives the driving slider to slide along in the slide rail; the rear of the driving slider is provided with a front slide groove, and the rear tilting mechanism is arranged in the rear slide groove; when front glass tilts at the rear and slides to open, the rear tilting mechanism only needs to slide in the corresponding slide groove in the driving slider and does not need slide in a slide groove of the slide rail by a long distance, so that abrasion of a corresponding fulcrum of a front tilting mechanism is decreased, and moving is more stable and reliable. The rear tilting mechanism moving assembly is simple in structure and has few connection parts, a sunroof moving mechanism is simplified, manufacture and assembly periods of a sunroof are shortened greatly, and the cost is lowered.