118results about How to "Simplify the difficulty of assembly" patented technology

The invention discloses an embroidery machine head and an embroidery machine and belongs to the technical field of embroidery machines. The head comprises a casing and a needle bar frame arranged on the casing, wherein the needle bar frame can horizontally move back and forth relative to the casing, a first needle bar, a second needle bar and a boring needle bar are arranged on the needle bar frame, and two needle bar drivers are arranged on the casing; when one needle bar driver drives the boring needle bar, the other needle bar driver is staggered with the first needle bar and the second needle bar in the moving direction of the needle bar frame and is in a no-load state. Alternative head boring is realized through back and forth movement of the boring needle bar under the drive of the needle bar drivers, the head is not required to be shut down for replacement of needles, and the functions and applications of the head are enriched. Separation and reunion are realized by corresponding or staggering the needle bar drivers with the needle bars in the moving direction of the needle bar frame, electromagnets and drive parts driving the needle bar drivers to rotate under the drive ofthe electromagnets are not required to be added to the head, the structure of the head is advantageously simplified, time consumption for assembling of the head is reduced, and the production cost ofthe head is controlled.

The invention discloses a novel connecting assembly capable of connecting boards and being dismounted and used repeatedly. The novel connecting assembly is characterized by comprising a two-board connecting piece, a three-board connecting piece and screws; the two-board connecting piece comprises a corner type inner connecting piece and a corner type outer connecting piece; the three-board connecting piece comprises a vertical connecting piece, a pair of corner type connecting pieces and a fastening connecting piece; the corner type inner connecting piece and the corner type outer connecting piece in the two-board connecting piece are dismountably fixed to threaded holes through the screws; the threaded holes are formed in the corner type inner connecting piece or the corner type outer connecting piece; the vertical connecting piece and the corner type connecting pieces in the three-board connecting piece are dismountably fixed to threaded holes through the screws; and the threaded holes are formed in the fastening connecting piece. The connecting assembly is easy to operate in the assembling process, a user assembles and uses automatically, and the cost that a technical worker installs on the spot is avoided. With the adoption of the connecting assembly, the effects that the cost is reduced and the efficiency is improved are exerted for transportation and assembling of a product.

The invention discloses a vertical recycling and air sealing device for an immersion type photoetching machine. A central conical hole is formed in a base body of an immersion unit; a vertical air liquid recycling cavity and an air injection cavity are formed in the bottom surface of the immersion unit; a horizontal liquid injection opening, a horizontal liquid recycling opening, an air injection opening and a vertical air liquid recycling opening are formed in the base body of the immersion unit; a central through hole is formed in the lower end cover of the immersion unit; a vertical air liquid recycling hole slot and an air sealing hole slot are formed in the top surface of the lower end cover of the immersion unit; vertical air liquid recycling holes are formed in the vertical air liquid recycling hole slot; air sealing holes are formed in the air sealing hole slot; a certain micro hole is positioned on a perpendicular bisector of two closest micro holes in the adjacent vertical recycling holes. The vertical recycling and air sealing device can finish the sealing function for a gap flow field in the immersion type photoetching machine; the boundary of the flow field of immersion liquid is restrained by recycling negative pressure for vertical recycling and air flow for air sealing, so that leakage of the immersion liquid is avoided in a high-speed running process of the photoetching machine.

The invention provides a bonding and assembling method of a precise carbon fiber truss, relates to the technical field of space optical remote sensing, and solves the problem that the bonding and assembling process of the precise carbon fiber truss is complicated and lengthy. The method comprises the following processes of a process for grinding the lower surface of an upper metal insert and the upper surface of a lower metal insert, and modifying a rod joint; a process of manufacturing a bonding auxiliary device; a process of manufacturing a truss rod assembly by the bonding auxiliary device;a process of assembling an upper plate assembly, the truss rod assembly and a lower plate assembly to obtain the precise carbon fiber truss. Through bonding and assembling, the secondary processing by a machine tool is not needed; the pollution and corrosion cannot be caused on the carbon fiber structure. The rod joint and the truss rod are bonded by the bonding auxiliary device; the bonding is accurate; after the bonding, the secondary processing by the machine tool is not needed; the developing period is shortened; the assembling precision is improved; the assembling difficulty is reduced;meanwhile, the precision requirements of various connectors of a space camera can be easily met; the development of a space optical remote sensing technology is propelled.

The invention discloses a grabbing type racking and unracking machine. The machine comprises a vertical support, an objective table, a transverse motion mechanism performing transverse motion relativeto the objective table, and a lifting device driving the transverse motion mechanism to move up and down. One end of the objective table is connected to the vertical support, the lifting device ascends and descends on the vertical support, the transverse motion mechanism and the lifting device are connected to move up and down along with the lifting device, truckles facilitating walking are arranged on the vertical support and the objective table, and metamorphic grabbing mechanisms performing synchronous reverse rotation are arranged on the transverse motion mechanism in pairs towards the objective table. The grabbing type racking and unracking machine has the advantages that the machine can walk conveniently inside a channel, cargo racking and unracking can be achieved, and meanwhile other objects are not affected.

The invention provides a hydraulic shifting mechanism of a gearbox. The hydraulic shifting mechanism comprises a shifting gear, a synchronizer, a shifting fork and a hydraulic oil cylinder that are mounted in a gearbox housing, wherein a shifting gear bearing is connected with an input shaft; the synchronizer is in spline fit with the input shaft; the shifting fork is connected with the synchronizer; a piston rod of the hydraulic oil cylinder is fixedly arranged in the gearbox housing; a cylinder barrel of the hydraulic oil cylinder is connected with the shifting fork; and the cylinder barrel can drive the synchronizer to slide on the input shaft through the shifting fork, so as to allow the synchronizer to be combined with or separated from the shifting gear. According to the hydraulic shifting mechanism of the gearbox, and the hydraulic oil cylinder driving the shifting fork to move is arranged in the gearbox housing, and the hydraulic oil cylinder and the gearbox are integrated, so that the assembling difficulty is reduced, the mounting is convenient, a space is saved, and no damage is caused easily. The cylinder barrel slides integrally to drive the shifting fork to move, and no deviation is produced in a moving process, so that the precision is high, the stability is good, the sliding stress of the synchronizer is balanced, the abrasion is little, the service life can be prolonged, and the shifting reliability can be improved.

The invention discloses a display equipment supporting device and a diasonograph provided with the same. The display equipment supporting device comprises a supporting substrate, a displayer connecting rack, a connecting arm and a first supporting arm; the two ends of the first supporting arm are correspondingly rotationally connected with the supporting substrate and the displayer connecting rack; a slider which is in friction fit with the first supporting arm is arranged on the first supporting arm in a sleeving manner; the two ends of the connecting arm are correspondingly rotationally connected with the slider and the supporting substrate; the rotary joint of the connecting arm and the supporting substrate is positioned at a first position; and the rotary joint of the first supportingarm and the supporting substrate is positioned at a second position. The display equipment supporting device disclosed by the invention is simple and compact in structure, light and small in appearance, low in manufacturing cost, capable of stably supporting display equipment at any position and high in performance-cost ratio.

The invention relates to the field of an air conditioner, and particularly relates to an air conditioner filter screen structure. The air conditioner filter screen structure comprises a filter screen grid side and a filter screen side, wherein the filter screen grid side and the filter screen side are integrally molded; a plurality of grids are arranged on the filter screen grid side; a filter screen mounting frame is arranged on the filter screen side; filter screens are arranged on the filter screen mounting frame; and the filter screens are arranged among the plurality of grids. Each filter screen of the air conditioner filter screen structure comprises a filter screen grid side and a filter screen side; the filter screens, wedging blocks and the grids are combined into one part which is directly arranged on an air conditioner main body, thereby simplifying the assembly difficulty; when a PM2.5 module or a formaldehyde removal module at an air inlet needs to be maintained, the grids do not need to be dismantled, and after the filter screens are directly pulled out, the PM2.5 module or the formaldehyde removal module can be directly maintained and cleaned; and the air conditioner filter screen structure is convenient to operate.

The invention discloses an LED chip assembly structure and assembly method of a smart label connector. The LED chip assembly structure of the smart label connector comprises an LED chip, which is arranged in a plastic base in the smart label connector; and a positive electrode and a negative electrode in the LED chip are in elastic pressing contact with a terminal assembly in the smart label connector respectively and form weldless electrical conduction. The LED chip assembly structure is electrically connected with terminals of the smart label connector in an elastic pressing contact manner, and can be connected with a power supply terminal and a ground terminal without a wire, so that the complexity and the assembly difficulty of the structure are greatly simplified; the stability and the communication quality of the product structure can also be ensured; assembly is relatively simple and convenient; and the market competitiveness of the LED chip assembly structure is improved.

The invention discloses a three-jaw clamp. A threaded rod (1) is sleeved with a nut sleeve support (2), the front end of the threaded rod (1) stretches into a first chuck (7), and balance arms (5) are symmetrically arranged on two sides of the first chuck (7); a clamping arm (6) is arranged between each balance arm (5) and the first chuck (7) and is in an involute shape; limiting pins (8) are symmetrically arranged on two sides of the rear end of the first chuck (7), a return support (9) is arranged between each clamping arm (6) and the first chuck (7), and a return spring (10) is arranged between each return support (9) and the first chuck (7). The three-jaw clamp is simple in structure, and convenient to operate, and saves labor, a part can be accurately clamped and located by rotating the threaded rod, assembly difficulty of the part is lowered, assembly efficiency is improved, and assembly precision of the part is guaranteed effectively.

The invention discloses a periscopic lens carrier and a component thereof. The periscopic lens carrier is provided with a lens installation part; the lens installation part is provided with a lens installation hole which stretches in the direction of the optical axis; an OIS (Optical Image Stabilization) component installation part is formed at two sides of the lens installation hole; a suspensionwire installation part is formed at two sides of the OIS component installation part; the suspension wire installation part is integrally formed by protruding from two sides of the OIS component installation part in the direction of the optical axis; the height of the suspension wire installation part is lower than that of the lens installation part; an upper reed installation part is formed at the top of the suspension wire installation part; the upper reed installation part is provided with a first connection part and a second connection part, which are used for connecting the upper reed; and, the first connection part and the second connection part are arranged at a certain distance. By adoption of the periscopic lens carrier provided by the invention, the suspension wire does not participate in the whole circuit, and only participates in the physical movements, such as homing and so on; and thus, the stability of the circuit is ensured.

The invention provides a large-sized static mixer. The large-sized static mixer comprises a pipeline and a mixing unit arranged in the pipeline, wherein openings are formed in two ends of the pipeline; the mixing unit comprises a first blade, a second blade, a third blade and a fourth blade which are of a circular arc sheet shape; the first blade and the second blade are arranged in an opposite crossing manner, the axis of the crossing point is level, the first blade forms a downward deflection angle around the axis of the crossing point, and the second blade forms an upward deflection angle around the axis of the crossing point; the third blade and the fourth blade are arranged in an opposite crossing manner, the axis of the crossing point is vertical, the third blade forms a right deflection angle around the axis of the crossing point, and the fourth blade forms a left deflection angle around the axis of the crossing point; the rear end of the first blade is connected with the plate surface of the third blade, the rear end of the second blade is connected with the plate surface of the fourth blade, the front end of the third blade is connected with the plate surface of the second blade, and the front end of the fourth blade is connected with the plate surface of the first blade. By virtue of a special blade combination manner, the integral structural strength of the mixer is enhanced, and by virtue of a reasonable integral structure, the mixer has excellent mixing efficiency.

The invention relates to a multi-functional wire clamp device simple to assemble. The multi-functional wire clamp device comprises a wire clamp main shell and a cover plate, wherein the cover plate covers the wire clamp main shell, an edge of the cover plate is buckled with an outer edge of the wire clamp main shell, a matched positioning structure is also arranged at a position, corresponding to the wire clamp main body, of the cover plate, and the positioning structure comprises a wedge-shaped groove and a wedge-shaped block which are matched for positioning; the wire clamp main shell is of a U-shape structure, a press block and an adjustment assembly are arranged in the wire clamp main shell, the press block is used for pressing a wire, and the adjustment assembly is used for adjusting a press force of the press block; and the wire clamp main shell is of an X-shaped structure and comprises two round cavities, the two round cavities are used for accommodating the wire, and a press block is arranged in each round cavity and is used for pressing the wire. By the multi-functional wire clamp device, the wire clamp production and assembly difficulty is reduced, and the strength and the stability of the wire clamp integral structure are improved; and by designing a part and the adjustment assembly, wire locking and power taking of various specifications of wires can be simultaneously met, the universality of the multi-functional wire clamp device is improved, the fastening degree of the wire can also be improved, and the multi-functional wire clamp device is simple and convenient to operate.

The invention relates to the technical field of personal tracked vehicles, in particular to an improved individual tank comprising a vehicle body, a track, a front support wheel group, a load-bearing wheel group, a driving wheel group and a steering assembly. An eccentric wheel used for adjusting the tension of the track and an eccentric rack used for installing the eccentric wheel are mounted on the vehicle body; an engine disposed and a CVT (continuously variable transmission) steering device are arranged in the vehicle body; a left output shaft and a right output shaft are respectively in transmission connection with a main transmission shaft of the vehicle body through two belt type CVT mechanisms; the front support wheel group comprises a front fork, a front load-bearing wheel and front support wheels; two front support wheels respectively straddle both sides of an anti-off positioning block of the track. The track structure is simple in structure and solid in performance. With the use of the variable-speed engine, when the individual tank drives at high speed, a rollover accident caused due to the fact that a unilateral track wheel group stops running when the individual tank steers is effectively avoided, and control functions of large-radius and small-radius turning are realized. Furthermore, the improved individual tank is suitable to be used under various road environments.

The invention belongs to the technical field of thermal battery testing, and particularly relates to a thermal battery single battery testing device and a thermal battery single battery testing method. The device comprises a single battery assembling system and a single battery electrical property testing system, the single battery assembly system comprises a first stainless steel bracket, a motor, an upper pressure plate, an upper insulating sheet, an upper current collecting sheet, a second stainless steel bracket, a material pushing and returning device, a single battery, an anti-overflow ring, a stainless steel sheet, a lower current collecting sheet, a lower insulating sheet, a lower pressure plate, a pressure sensor and a heating furnace. A single battery assembly system does not need to be repeatedly assembled during each test such that the assembly and test difficulty of the single battery is greatly simplified, and the consistency of test conditions of the single battery is ensured; the constant-temperature system and the constant-pressure system are separately arranged such that the heating device cannot be damaged under high pressure, and the respective working stabilityof the two systems is guaranteed.

The invention relates to the technical field of PCB (printed circuit board) assembling and processing equipment, in particular to a component inserter with overhead horizontal slide rails, which comprises a frame and component inserting head mechanisms, wherein a baseplate is fixedly mounted at the top of the frame; long plate bases and transverse driving mechanisms are mounted on the lower side of the baseplate; machine head bases and longitudinal driving mechanisms are mounted on the lower sides of the long plate bases; the component inserting head mechanisms are mounted on the lower sides of the machine head bases; plate conveying guide rails are positioned under the component inserting head mechanisms. As a horizontal moving mechanism for driving the component inserting head mechanisms to move is positioned on the lower side of the baseplate, and the baseplate is positioned above the plate conveying guide rails and completely separated from the plate conveying guide rails, the component inserting head mechanisms are enabled to move freely above the plate conveying guide rails without space limitation, the problem of mutual interference between the moving components of the plate conveying guide rails and the moving components of the component inserting head mechanisms is completely avoided, the component inserting head mechanisms can take materials beyond the airspace range of the plate conveying guide rails, and high practicability is achieved.

The invention discloses an image sensor and a preparation method thereof. The method comprises the following steps: providing a first semiconductor substrate, wherein photosensitive pixels are formedon the front face of the first semiconductor substrate, and a logic device is further formed on the first semiconductor substrate; providing a second semiconductor substrate, wherein photosensitive pixels are formed on the front face of the second semiconductor substrate; and bonding the back face of the first semiconductor substrate and the back face of the second semiconductor substrate. Throughthe scheme provided by the invention, the manufacturing cost of a front camera and a rear camera or multiple cameras can be effectively reduced, the assembling technology is simplified, and the areaof a chip is reduced.

The invention discloses an ignition device with flame stabilization function for a liquid fuel ramjet engine. A front shell is fixedly connected with a middle shell, the middle shell is fixedly connected with a rear shell through a connecting ring, an igniter is arranged at the joint of the middle shell and the rear shell, installation of the igniter is facilitated by sectional design of a shell, one end of a fastening plug is clamped between the connecting ring and the middle shell, the other end of the fastening plug is clamped on the igniter and functions in fixing the igniter, an oil supply channel passes the outer wall of the middle shell, extends into the shell and is fixedly connected with the igniter, a gas supply channel passes the outer wall of the middle shell, extends into the shell and is fixedly connected with the igniter, an expansion tube is fixedly connected with the igniter, a flame stabilizer is fixedly connected with the rear shell, and a main combustion chamber flame stabilizer is fixedly connected with the flame stabilizer. An not easily extinguished pioneer torch can be formed at the tail end of the igniter of the ramjet engine under high-speed airflow condition, the torch is used for igniting gas-oil mixture in a main combustion chamber, flame in the main combustion chamber can stably spread and cannot be easily extinguished, and the engine can normally work.

The invention relates to a plate for a fuel battery, which belongs to the field of fuel batteries. A feeding main channel and a discharging main channel penetrating an anode plate, a cathode plate and a cooling plate are respectively communicated with flow channels of respective plates through deviation through holes. The deviation through holes penetrate the plates, one end of each of the deviation through holes is communicated with the feeding main channel or the discharging main channel, and the other end is communicated with the flow channels on the plates. The plates can be used for manufacturing fuel batteries with different flow field structures of small power to large power, can prolong the service life of membrane electrodes of fuel batteries, and are suitable for the scale production of fuel batteries.