66results about How to "Simplify the production assembly process" patented technology

The invention discloses a loudspeaker module, and relates to the technical field of an electroacoustic product. The loudspeaker module comprises a module housing; a loudspeaker monomer is accommodated in the module housing; the loudspeaker monomer divides an integral module inner cavity into two cavities, i.e. a front sound cavity and a rear sound cavity; the rear sound cavity comprises an accommodating cavity and a sound adsorption cavity which are communicated; the loudspeaker monomer is positioned in the accommodating cavity; the sound adsorption cavity is filled with sound adsorption particles; the accommodating cavity is formed by the surrounding of the module housing; the sound adsorption cavity is formed by the surrounding of a sound adsorption cavity housing; the sound adsorption cavity housing is combined with the module housing; and a netted isolation part is arranged between the sound adsorption cavity and the accommodating cavity. The sound adsorption particles of the loudspeaker module disclosed by the invention cannot be influenced by a module production assembling process, and have a good sound adsorption effect; acoustic performance of the module is obviously improved; sound quality is higher; and meanwhile, the loudspeaker module is low in assembling difficulty and high in production efficiency.

The invention relates to the technical field of printing, in particular to a spray head of a color printer. The spray head comprises an ink cavity, a drive device arranged in the ink cavity, and a spray nozzle arranged on the bottom of the ink cavity. The spray head is characterized in that the spray nozzle comprises a spray nozzle inlet arranged in the ink cavity, a spray nozzle outlet arranged below the outer part of the ink cavity, and a spray nozzle wall connecting the spray nozzle inlet with the spray nozzle outlet; the inner wall of the spray nozzle outlet is provided with a piezoelectric drive regulating device used for regulating the pore size of the spray nozzle outlet; and when electrified, the piezoelectric drive device generates deformation based on piezoelectric effect, so that the size of the pore size of the spray nozzle outlet is changed to adapt to printing ink with different particle sizes and viscosity specifications.

A lighting and flashing Christmas tree structure apparatus employs a low power control circuit to control the flashing sequence of LED light strings, capable of randomly altering distribution of the light strings with free choice of colors. A plug-free magnetic power system supplies electrical power to a cuboidal body where each of the four sides thereon has an electrical power receptacle free for user selection. With a LED device controller, a magnificent blinking is emitting from the LED light source to delight Christmas atmosphere. The electrical power offered by the present invention is limited below 24 V, which is within the safety range of the electrical properties code for body contact, therefore being free of safety concerns.

The invention relates to a combined type optical-electricity encoder with a copper code disc, and belongs to the technical field of electrified transmission detection. The combined type optical-electricity encoder with the copper code disc comprises a fixing elastic piece clamp, a fastening screw, a connecting shaft sleeve, a bearing, a base, an LED light source, a grating ruler, the copper code disc, an optical-electricity receiving component, a signal conditioning circuit board, a signal amplification circuit board, a shell and locating screws. A permanent magnet synchronous motor shaft and the connecting shaft sleeve are tightly connected through the fastening screw, the copper code disc is fixed at one end, far away from the motor shaft, of the connecting shaft sleeve, the LED light source is fixed in a light source hole of the base, and the grating ruler is arranged and fixed on the outer portion of the light source hole of the base. The optical-electricity receiving component is welded to the signal conditioning circuit board, and the signal conditioning circuit board, the signal amplification circuit board and the shell are arranged on the base in a matched mode through the locating screws. The base is fastened with the outer ring of the bearing, and the inner ring of the bearing is fastened with the outer ring of the connecting shaft sleeve. The combined type optical-electricity encoder with the copper code disc has the advantages of being simple and compact in structure, low in cost and easy to mount and use. A rotor magnetic pole position signal 'U' or 'V' or 'W' and a rotor displacement signal 'A' or 'B' and a correction signal 'Z' in an alternating current servo system can be provided simultaneously, wherein the rotor magnetic pole position signal 'U' or 'V' or 'W' and the rotor displacement signal 'A' or 'B' are needed for controlling a permanent magnet synchronous motor, and the correction signal 'Z' is used for eliminating accumulated errors.

The invention discloses an RH furnace circulating pipe and a building method thereof. The cylindrical circulating pipe is built by alternately arranging a plurality of unit arch bricks obversely and inversely; each unit arch brick is piled by a long arch brick and a short arch brick; and a bayonet is arranged on the long arch brick, and is exactly positioned in the center of each unit arch brick. The RH furnace circulating pipe is improved on the traditional RH furnace circulating pipe, is designed according to the original style on integral appearance and size, replaces the conventional equilong flat building mode by adopting obversely and inversely building unequal arch brick combinations alternately, so that the paving seams among long arch bricks and short arch bricks are staggered, hot expansive force among alternate arch bricks is enhanced, and the problem of partial or whole flotation of the circulating pipe can be effectively solved.

The invention sets delay circuit part between battery and FET, to switch the capacitor microphone to connect / cutoff state, to avoid the sound caused by broken circuit current or instant current; uses transistor to cutoff circuit; therefore, when the microphone is in closed state, it can broke the current fully; at the invention mounts other elements of microphone circuit as battery, to reduce the element number of microphone, to simplify the production process, and improve the interchangeability with dynamic microphone.

The invention discloses a slow-closing type outdoor alternating-current high-voltage isolating switch with a built-in fracture. The slow-closing type outdoor alternating-current high-voltage isolatingswitch comprises a main loop unit, a main frame piece, an operating unit, an operating handle and an interlocking transmission unit, wherein the main loop unit is connected with a main switch througha connecting bar and used for controlling opening and closing of the isolating switch, the main frame piece is connected with the main loop unit and is used for placing the main switch, the operatingunit is used for driving the main loop unit to act to execute opening and closing of the isolating switch, the operating handle is connected with the operating unit and is used for outputting openingand closing actions, the interlocking transmission unit is connected with the main loop unit through a synchronizing shaft and is used for realizing bidirectional locking of the isolating switch by the main switch, the interlocking transmission unit and the operating unit are coaxially arranged, the interlocking transmission unit is linked with the operating unit to realize opening and closing ofthe isolating switch when the main switch is at the opening position, and the interlocking transmission unit unlocks the main switch and can operate the main switch to realize opening and closing when the isolating switch is at the opening or closing position. According to the invention, the main loop unit, the interlocking transmission unit, the operating unit, the main frame piece and the connecting bar are all used as independent mechanisms for production and are not arranged in sequence, the main loop unit, the interlocking transmission unit, the operating unit, the main frame piece and the connecting bar can be assembled through set positions to form the whole isolating switch, and the production and assembly process is simplified.

The invention provides a throttling and flow dividing assembly and an air conditioner. The throttling and flow dividing assembly comprises a main pipe and a plurality of branch pipes; a plurality of flow dividing openings are formed in the side wall of the main pipe; the multiple branch pipes communicate with the multiple flow dividing openings in a one-to-one correspondence mode; and a throttlingdevice is arranged in any branch pipe. Through the technical scheme, liquid in the main pipe can evenly flow towards all the branch pipes through the corresponding flow dividing openings, and thus the good flow dividing effect is achieved; and each branch pipe is provided with the corresponding throttling device, and the liquid flowing into all the branch pipes is subjected to throttling and depressurizing through the throttling devices, so that the stability of the flow dividing and throttling processes of the liquid is improved.

The invention discloses a full-protection liquid crystal television which comprises a frame body, lateral plates and L-shaped components. A logic board is mounted at the bottom of the frame body; loudspeakers are also mounted at the bottom of the frame body, and the loudspeakers are positioned at both sides of the logic board; a lower frame box body is arranged at one side of the frame body, and an electric plate groove is formed at the bottom of the lower frame box body; the frame body is also provided with a TAB / PCB chamber so as to enable a liquid crystal module to obtain the optimal shielding and protection; and a blue light optical filter is adhered to the light incident face of a light guide plate in the frame body so as to filter out short-wave blue light in a light source and takean eye protection effect. By the unique aluminium alloy structure frame body, the manufactured liquid crystal television has the characteristics of waterproofness, dust prevention, collision prevention, damage prevention and eye protection, can be used in an outdoor open public place, and fills in a gap of varieties of liquid crystal televisions; meanwhile, according to the invention, the frame body is designed into an extended step structure, so that the full-protection liquid crystal television is very convenient for component installation and automatic production and compared to existing television production assembling flow, the production assembling flow of the full-protection liquid crystal television has the advantages of simplicity, material saving and high efficiency.

The invention provides a miniature planar dual-frequency-band high precision satellite navigation antenna. The miniature planar dual-frequency-band high precision satellite navigation antenna includesa dielectric plate and a printed circuit base plate, wherein the dielectric plate includes a plurality of high frequency feeding points, a high frequency radiating surface, a plurality of low frequency feeding points, and a low frequency radiating surface; short circuit pins are distributed in the inner ring of the low frequency radiating surface; upward branch knots and downward branch knots aredistributed around the dielectric plate; the upward branch knots contact the printed circuit base plate; the downward branch knots are connected to the low frequency radiating surface; and coupling slits are formed between the upward branch knots and the downward branch knots. The miniature planar dual-frequency-band high precision satellite navigation antenna preferably solves the problems of antenna miniaturization, dual-frequency-band, antenna phase center elevation and the like, provides a design scheme for the miniature planar dual-frequency-band of the high precision satellite navigation antenna, effectively reduces the volume of the antenna, and effectively reduces the weight of the antenna at the same time.

The invention discloses a pipe-free pump which comprises a pump body and a front cover connected to the pump body. A stator and a rotor are arranged in the pump body. An impeller is arranged on a rotating shaft of the rotor. The pump body comprises a shell integrally molded around the profile of the stator in an injection molding manner, a mounting portion molded at the front end of the shell in a secondary injection molding manner and used for being connected with the front cover and a containing cavity for containing the rotor. A water guide cover is arranged in the mounting portion. A water inlet located in the center and water outlets in the side edges of the water inlet are formed in the water guide cover. The impeller is arranged in a water cavity of the water guide cover. The pipe-free pump is simple and reasonable in structure and compact and firm in connection and has the beneficial effects of being low in vibration noise, stable in assembling quality and the like, and a great amount of manpower cost and a great amount of raw material cost are saved.

The invention discloses a seat height adjusting device and a seat. The height adjusting device includes a height adjuster and a four-bar linkage mechanism for adjusting the height of the seat. The height adjuster is provided with a driving gear. The height adjusting device further comprises a connecting rod portion which includes a tooth portion capable of being meshed with the driving gear, and one end of the connecting rod portion is hinged to the four-bar linkage mechanism, to drive the four-bar linkage mechanism to lift. According to the scheme, on the one hand, the number of rotational joints is reduced, only one rotational joint exists, a production assembly process is simpler, the efficiency can be improved, and the operation reliability can be improved. In addition, due to the reduction in the number of the rotational joints, when the connecting rod portion drives the four-bar linkage mechanism to move, the operation is achieved more easily, and excessive Z-direction (verticaldirection) slip is not required.

The invention discloses an E-type double-winding stator axial flux motor based on an amorphous material. The structure and the production process are simple and easy to realize, and the heat dissipation of winding copper wires is easier due to the special structure. The novel motor comprises a stator combination part and a rotor part, the stator combination part is composed of an E-shaped iron core and a double-winding copper wire, and the rotor part is composed of a rotor iron core and a magnet. The stator module adopts a double-winding E-shaped iron core design, the iron core is formed by shearing an amorphous material into E-shaped sheets and laminating the E-shaped sheets, the production process is simple, and the stator iron loss is greatly reduced compared with that of a traditionalsilicon steel sheet iron core. Meanwhile, due to the double-winding design, current distribution in the two windings can be flexibly adjusted, the redundancy and reliability of motor operation are improved, and under the condition that one winding fails, the motor can still depend on the other winding to achieve partial torque output.

The invention discloses an automotive panoramic sunroof structure which comprises window glass, a seal ring and a glass reinforcer, wherein the glass reinforcer is arranged below the panoramic sunroof glass, the upper surface of the glass reinforcer and the lower surface of the panoramic sunroof glass are bonded through glue, the outer side edge of the glass reinforcer is connected to the inner side of the seal ring, and the edge of the panoramic sunroof glass and the inner side of the seal ring are in sealed interference fitting. By fixing connecting the inner side edge of the seal ring and the outer side edge of the glass reinforcer, bonding the upper surface of the glass reinforcer to the lower surface of the panoramic sunroof glass through glue and performing sealed interference fitting on the inner side of the seal ring and the edge of the panoramic sunroof glass, and the seal ring is fixed to the edge of the panoramic sunroof glass, so that a hemming process on the edge of the panoramic sunroof glass is avoided, and the seal ring is prevented from being bonded to the panoramic sunroof glass integrally through glue, so that the assembling process is simplified, the assembling cost is lowered, and the cost of developing a hemming mould as the hemming process is required is also lowered.

The invention discloses a light emitting device which comprises a seat and a circuit board. The rectangular circuit board is mounted on the seat in a fastened manner. An embodiment of the invention further provides an indicator lamp which comprises the light emitting device. The indicator lamp and the light emitting device have the advantages that the circuit board of the light emitting device is mounted on the seat in the fastened manner, a worker only needs to directly fastening the assembled circuit board onto the seat, accordingly, fixing effects can be realized, manufacturing and assembling processes can be simplified, and requirements of automatic large-scale production can be met.

A mounting structure of a refrigerator door comprises a door housing. Door shaft sleeves are disposed at the upper and lower ends of one side of the door housing respectively. A hinge plate is disposed on a refrigerator body and is provided with a door shaft. The door shaft is nested in door shaft holes of the door shaft sleeves. The outer periphery of the door shaft sleeves are arc surfaces. Centers of the arc surfaces and centers of the door shaft holes are eccentric. The arc surfaces are provided with positioning grooves, and the right shoulder of each positioning groove is lower than the left shoulder. Radius of the arc surface of the right shoulder of each positioning groove is larger than that of the left shoulder of the positioning groove. The mounting structure further comprises a pressure spring. The pressure spring comprises a pressure spring body, a pressure spring arm and a pressure spring head, the pressure spring body is fixedly connected to the hinge plate, the pressure spring body is fixedly connected with one end of the pressure spring arm, the pressure spring head is disposed at the other end of the pressure spring arm, and the pressure spring head fits with the positioning grooves. The mounting structure of the refrigerator door allows for the function that a door is automatically positioned in opening and automatically resets in closing and is simple in structure, convenient to mount and lower in cost.

The invention discloses a base station antenna structure and base station equipment. The base station antenna structure comprises a substrate and two or more antenna units, each antenna unit comprises a patch antenna, a support column and a radiation sheet, the patch antenna and the support column are arranged on the substrate, and the radiation sheet is arranged on the support column; the projection of the radiation sheet on the substrate intersects with the patch antenna; the patch antennas of the antenna units are connected; the radiation sheet is provided with a gap; the edge of the radiation sheet is provided with at least one branch knot and at least one cut corner. The radiation sheet is a metal sheet or a copper-clad PCB; and the supporting column is made of a dielectric material. According to the invention, high isolation performance between antenna systems can be realized, the production and assembly process can be simplified, and the cost can be reduced.

The invention relates to a car clutch parts, in particular relates to a car clutch body and the connection of Mandrel. A clutch of connecting body and Mandrel, Mandrel on a clutch body, referred to in the clutch and the structure of these lanes are trough-through bond and mandral link. The beneficial effects of this invention are: production assembly process is simple, low cost, the domestic use of existing technologies to produce the same performance alternative products, but also on improving the products and parts from foreign properties, and break the monopoly of foreign technology to promote the performance of domestic cars raise a great significance.

The invention discloses an LED (Light Emitting Diode) street lamp, which comprises a lamppost, a lamppost connecting rod and a lamp body, wherein the lamppost connecting rod comprises a built-in part embedded in the bottom of the lamp body, and a built-out part exposed to the lamp body, wherein a plurality of first strip-shaped cuts cut by a cutter are arranged on the side surface of the built-in part, and are punched by a punch into a plurality of first radiating holes and arched first radiating fins, and the lamp body comprises a lamp shell, a radiator, LED light source structures, light transmitting covers and fasteners; the lamp shell is made by glass fiber reinforced javascript:void(0);or a PC (Poly Carbonate) material, and the radiator is formed by transversely arranging and splicing a plurality of radiating fins, or by longitudinally overlapping a plurality of radiating fins; the two ends of radiating bases of the radiating fins tilt out and extend out of radiating surfaces, and a plurality of second radiating holes and second radiating fins are arranged on the radiating surfaces. The LED street lamp provided by the invention has the advantages of simple structure, realization of ideal radiating effect by using a self-structure design, reduction in production cost due to the glass fiber reinforced javascript:void(0);or PC lamp shell, various shapes, long servie life and the like.

The invention relates to a device for detecting automobile internal and external air quality. The device comprises a dust box pedestal and a dust box cover which can be mutually fastened to form a boxbody. A tube-shaped air flue chamber assembly is arranged in the dust box pedestal; two plastic hoses capable of respectively connecting inside and outside of a vehicle are arranged outside the dustbox pedestal; the other end of each plastic hose is provided with an acquisition head assembly; and a dust sensor clings to the tube-shaped air flue chamber assembly. Air enters the tube-shaped air flue chamber assembly through the acquisition head assemblies and the plastic hoses and then is detected through the dust sensor. The device has a simple structure, is ingeniously designed, and achievesgood reaction sensitivity and high accuracy of PM2.5 and PM10 values as well as higher detection precision.

The invention relates to the technical field of frequency converters, and discloses a structure of a single-tube IGBT module frequency converter. The structure comprises a bottom shell box body with aventilation opening and a middle shell box body assembly embedded into the bottom shell box body. The middle shell box body assembly comprises a middle shell box body, a radiator, a fan, a rectifierbridge, a capacitor plate with a capacitor, a driving plate and an aluminum substrate assembly. The fan of the middle shell box body assembly is arranged at the position, corresponding to the ventilation opening, of the middle shell box body. The middle shell box body is provided with a first partition plate and a second partition plate which are arranged in the air duct direction of the fan. Therectifier bridge, the capacitor plate and the driving plate are fixedly connected and mounted on the middle shell box body. The structure has the advantage that the middle shell box body is divided into three internal spaces through the first partition plate and the second partition plate, the aluminum substrate is located in a windless channel, and the capacitor and the radiator are located in the air duct for heat dissipation and are isolated from each other. Meanwhile, compared with a traditional mounting process, the positioning is accurate, the production and assembly process is simple, and the production efficiency is higher.

The invention belongs to the technical field of motor and crane manufacturing, and provides a motor and winding drum integrated lifting device structure. A hollow main shaft penetrates through a stator iron core a, a stator iron core b and end covers. A lifting winding drum is arranged outside the stator iron core a and the stator iron core b. A stator coil a and stator coil b are separately arranged at the ends of the stator iron core a and the stator iron core b. A permanent magnet a and a permanent magnet b are arranged inside the lifting winding drum. The end covers are fixed on both sidesof the lifting winding drum. Rigid supporting seats are further fixedly connected with two ends of the hollow main shaft. Large synchronous wheels are fixed on an oil seal. Synchronous wheel mountingseats are fixed on the rigid supporting seats. Small synchronous wheels are fixed on the synchronous wheel mounting seats. The small synchronous wheels are connected with the large synchronous wheelsthrough synchronous belts. Height limiting stoppers are connected with the small synchronous wheels through auxiliary shafts. Encoders are connected with the height limiting stoppers through elasticcouplings. According to the motor and winding drum integrated lifting device structure, the production and assembly process of the permanent magnets is simplified, the deformation of the main shaft isreduced, and it is guaranteed that the motor can operate reliably.

The invention discloses an assembly and connection structure of an automobile footboard lock. The assembly and connection structure comprises a lock body, a casing pipe and an inner telescopic component, the inner telescopic component comprises a main bar, a lock head, a transmission bar, a lock pin, a lock hook, a switching part and a locating pin, the transmission bar, the lock pin, the locating pin and the lock hook are connected and installed by means of the switching part, an accommodating cavity, an axial hole and the like in the switching part can be achieved by a simple drill hole or forming process, the manufacturing process is simple, the machining is convenient, and production and machining costs of parts are reduced. Besides, the installation of the parts is simple and practicable, producing and assembling processes are further simplified, and producing and assembling costs are reduced. In addition, teeth on the casing pipe are arranged on an insert, the teeth can be firstly machined on the insert, then the insert is fixedly installed in a notch of the casing pipe, the lock pin can be normally matched though the teeth are formed on local inner wall surfaces of the casing pipe, and thereby manufacturing processes of the teeth are simplified.

The invention discloses a vehicle-mounted multi-power-supply charging and discharging management board card and system, and relates to the technical field of power management, and a CAN transceiver, an MCU controller and three switching devices are integrated on the board card; one end of each of the first switching device and the second switching device is configured as a power input, and the other end is configured as a corresponding power output; two ends of the third switching device are respectively connected with the other ends of the first switching device and the second switching device; one end of the third switching device is configured as a generator input and a generator output, or the two ends of the third switching device are configured as the generator input and the generator output respectively; the first switching device, the second switching device and the third switching device are all controlled by the MCU controller; the CAN transceiver is configured to receive engine state information and send message information; and the MCU controller is configured to drive the switch-on and switch-off of each switch device according to the message information. The technical problem that large arrangement space is needed in multi-power-supply charging and discharging management can be solved.

The invention discloses a single part used for a fuel cell. The single part is a multi-phase and multi-component composite film, wherein the composite film comprises five components of polyvinyl alcohol, anion exchange resin, perfluorosulfonate resin, a transitional metal oxide and a transitional metal hydroxide, wherein the polyvinyl alcohol and perfluorosulfonate resin are mixed uniformly to form a film substrate; the anion exchange resin is embedded in the film substrate in a granular way; and the transitional metal oxide and the transitional metal hydroxide are uniformly dispersed in the film substrate in a nanoparticle form. The invention also discloses a preparation method for the single part; a gel film coating method is adopted; the preparation method is simple and easy to control, and suitable for large-scale application; the single part provided by the invention is assembled with a flow field, a clamping plate, a pipeline and other auxiliary parts to form the fuel cell; the fuel cell can realize power generation to the outside by pumping fuel and oxygen; and therefore, the single part can replace a positive electrode-electrolyte film-negative electrode sandwich structure of the conventional fuel cell, so that the battery and the production assembling process can be greatly simplified.

The embodiment of the present invention discloses a method and device for determining the amount of remaining hot water, a water heater and a storage medium, wherein the method includes: obtaining the temperature parameter of the water heater through a temperature detection device built in the water heater; The flow detection device connected to the water heater obtains the flow parameters of the water heater; and determines the remaining hot water volume of the water heater according to the temperature parameters and / or the flow parameters.

The invention relates to the technical field of motor assembly, in particular to an EV2 motor automatic assembly line. The EV2 motor automatic assembly line comprises a rotor assembly line, an end cover assembly line and a final assembly line, wherein tail ends of the rotor assembly line and the end cover assembly both are fixedly connected with a tail end of the final assembly line, two iron coresegment transmission lines are arranged, the two iron core segment transmission lines are parallel to each other and are fixedly connected to a tail end of an iron core loading workstation, and ironcore gluing equipment is fixedly connected to initial ends of the iron core segment transmission lines. The invention also comprises an assembly method of the EV2 motor automatic assembly line. A full-automatic enclosure heating mode is employed, the original enclosure heating time is shortened, thus, labor is greatly saved, the production efficiency is improved, and meanwhile, the quality is alsosubstantially improved; a large amount of automatic special equipment is employed, the production process is simplified, the labor intensity is reduced, so that each production process can be closelycombined, and assembly line production is achieved.

The novel trolley comprises a foldable trolley frame, a pushing handle and four roller assemblies, the pushing handle is installed on the rear portion of the trolley frame, the four roller assemblies are installed at the four corners of the trolley frame, the trolley frame comprises a frame body and a bottom frame assembly, the frame body is composed of a front wall assembly, a rear wall assembly and two side wall assemblies, the bottom frame assembly is located at the bottom of the frame body, and each side wall assembly comprises two connecting rods. Each group of connecting rods comprises long rods, a middle rod and a short rod, the lower end parts of the two long rods are rotationally connected to form a V shape with an upward opening, the upper end parts of the two long rods are rotationally connected with the upper end parts of the front wall assembly and the rear wall assembly respectively, and the upper end part of one middle rod is rotationally connected with the upper end part of one short rod to form a V shape with a downward opening; the lower end parts of the two middle rods are rotationally connected with the lower end parts of the front wall assembly and the rear wall assembly respectively, the upper sections of the two middle rods are riveted with the upper sections of the two long rods respectively, and the lower end parts of the two short rods are riveted with the lower sections of the two long rods respectively. The cart can be folded and stored, the structure is novel, the cloth bag and the frame of the cart are convenient and fast to disassemble and use.