23results about How to "Reduce assembly requirements" patented technology

The utility model provides a mattress frame taking mechanism, and belongs to the technical field of machinery. The problem that an existing mechanism is large in design difficulty is solved. The mattress frame taking mechanism comprises a rack and a grabbing assembly used for grabbing a frame. The rack is provided with a longitudinal beam and a lifting assembly used for driving the longitudinal beam to ascend and descend. A supporting frame is arranged between the longitudinal beam and the material grabbing assembly, and the material grabbing assembly is arranged on the supporting frame. The supporting frame is hinged to the lower end of the longitudinal beam, a driving mechanism enabling the supporting frame to swing in a reciprocating mode is arranged on the longitudinal beam, and the swing angle of the supporting frame ranges from 0 degree to 90 degrees so that the frame can be switched from the vertical state to the horizontal state. The mattress frame taking mechanism is low in design difficulty.

According to the rotor rotating device and the aircraft, the driving device of the rotor rotating device can drive the rotor to rotate so as to switch the position of the rotor, and switching of the rotor between different working states is achieved; the locking device of the rotor wing rotating device can lock the rotating piece and the fixed piece so as to lock the position of the rotor wing, so that it is guaranteed that the rotor wing can maintain different working states and can be kept stable in the different working states, and safety and reliability are improved; the rotating piece and the fixed piece can be linked by different locking pieces of the locking device, that is, the rotating piece and the fixed piece can be locked through two independent structures, the service life of the locking device is long, the assembling requirement between the locking device and the driving device is low, and the assembling efficiency is high. And the requirements of a user on low assembly difficulty and a simple connection structure of the rotor rotating structure can be met.

The utility model discloses an air conditioner and a display lamp panel assembling structure thereof. The display lamp panel assembling structure comprises a panel and a display lamp panel assembly. An opening is formed in the panel; the display lamp panel assembly comprises a lamp holder, a light-emitting part and a lamp cover. An opening is formed in the lamp holder, the luminous body is arranged in the opening of the lamp holder, and the lamp cover is mounted at the opening of the lamp holder; the lamp cover is made of a transparent material; a display part protrudes on the lamp cover, and the outline of the display part is matched with the open hole; the lamp holder is connected with the back of the panel, the panel and the lamp holder clamp the lamp cover, and the display portion of the lamp cover is embedded into the opening of the panel. According to the arrangement, a thinning area does not need to be designed on the panel, the bulge risk of the display area is avoided, the panel is smoother, and the whole panel is more attractive; and the display lamp panel assembly and the panel are positioned through a plurality of buckles and are fixedly connected through screws, so that the assembly requirement of the panel and the display lamp panel assembly is lower.

The invention relates to the field of galvanic pile production equipment, in particular to a torsion-resistant tool for high-precision assembly on a galvanic pile production line. The stacked fixed backer is fixedly arranged on the top surface of the reference bottom plate; the stacking movable backer is arranged on the top surface of the reference bottom plate and is opposite to the stacking fixed backer; the adjusting mechanism is fixedly installed on the reference bottom plate and provided with an action end, and the action end is connected to the stacking movable backer. The adjusting mechanism can drive the stacking movable backer to linearly move towards or away from the stacking fixed backer. According to the tool, the stacking efficiency is improved while the stacking precision of the single cells of the electric pile is ensured; an effective anti-torsion effect is achieved for tightening an anti-disassembly nut at a special position of a galvanic pile, all parts do not interfere with one another while playing respective roles in a limited and narrow space due to the overall design, the structure is simple, the machining requirement and the assembly requirement are low, the cost is saved, and the labor intensity of workers is reduced; the whole structure is clean and pollution-free, and the environment is effectively protected.

This invention relates to the field of welding technology, and provides a through-type friction stir welding apparatus and method suitable for different plate thicknesses. The through-type friction stir welding apparatus includes a long needle stirring tool, a backing block, a limiting platform, a clamp, a positioning platform, and a worktable. The long needle stirring tool is mounted on a friction stir welding machine. The backing block is disposed on a limiting groove on the limiting platform. The positioning platform is disposed on both sides of the limiting platform, and the clamp is disposed on the positioning platform. This invention utilizes a through-type friction stir welding technology with a long needle stirring tool and a backing block, which can completely eliminate the potential risks of incomplete penetration and weak bonding at the weld root. By using a backing block made of the same material as the workpiece being welded, no material loss occurs during the through-type welding process, thus eliminating defects at the start of the through-type friction stir weld.

This utility model discloses an adjustable connecting plate. The main body of the connecting plate is connected to the sliding structure on both sides of the cabinet through the first connecting part and the second connecting part on both sides. The extension length of the first connecting part and the second connecting part can be adjusted by the adjustment structure. After the first connecting plate and the second connecting plate are fastened together, they form a sliding groove to guide the sliding of the first rack and the second rack. The first connecting plate and the second connecting plate can be clamped and locked by tightening the fastening screw, thereby achieving the purpose of fixing the connecting parts on both sides. The main body of the connecting plate can be extended and adjusted independently according to the size of the cabinet without on-site cutting, which reduces the requirements for assembly and simplifies the on-site installation process.

The utility model belongs to the technical field of pocket opening machines, and relates to a cutting and opening device of a pocket opening machine, which comprises a sewing machine, a base and a bedplate, a rotating shuttle seat is arranged on the base corresponding to a machine head of the sewing machine, a rotating shuttle cover plate is arranged on the rotating shuttle seat, the rotating shuttle seat is positioned below the bedplate, the rotating shuttle cover plate and the bedplate are positioned on the same plane, and the bedplate is positioned below the sewing machine. A circular cutter assembly is arranged on the rotating shuttle seat in a sliding mode, the circular cutter assembly comprises a cutting motor and a circular cutter driven by the cutting motor to rotate, the rotating shuttle cover plate is provided with an opening groove for the circular cutter to stretch out, a roller matched with the circular cutter is arranged on the machine head in a sliding mode, and the roller compresses cloth on the platen when moving downwards. The cutting and opening device of the bag opening machine has the advantages of being simple in structure, smooth in cutting and low in assembly requirement.

The utility model relates to a head shaking structure and a fan. The head shaking structure comprises a support, a base and a head shaking motor. The base and the support are rotatably connected around a rotating shaft. The oscillating motor is arranged on the support, and an output shaft of the oscillating motor is arranged along the rotating shaft and matched with the base in a rotation stopping mode. According to the head shaking structure, the head shaking motor is arranged on the support, the output shaft is matched with the base in a rotation stopping mode, and the support is rotationally connected with the base. Therefore, after the fan is started, the oscillating motor can drive the support and the base to rotate relatively, and then oscillating motion of the fan is achieved. Therefore, the oscillating structure can realize that the oscillating motor directly drives the fan to oscillate without a complicated transmission mechanism, the structure is simpler, the processing and assembling requirements are lower, the rotation of the fan is more stable, and abnormal sound is not easy to generate.

The utility model is suitable for the technical field of workpiece cleaning, and provides a pass-type ultrasonic cleaning device which comprises a rack and further comprises a conveying chain. The tool is flexibly connected with the conveying chain; the water collecting tank is located below the tool; an upper ultrasonic cavity; an O-shaped sealing strip; the upper ultrasonic groove is fixedly arranged at the bottom of the upper ultrasonic cavity, and an O-shaped sealing strip is embedded in the upper ultrasonic groove; the lifting structure is used for driving the upper ultrasonic tank to ascend or descend; an O-shaped sealing strip is embedded in the lower ultrasonic groove; the jacking structure is used for driving the lower ultrasonic tank to ascend or descend; and the cleaning structure is used for cleaning the workpiece. According to the utility model, the tool and the upper ultrasonic groove can float, so that the assembly and manufacturing precision requirements are not high; the sealing between the lower ultrasonic tank and the tool and the sealing between the tool and the upper ultrasonic tank are floating type pressing, so that the repeatability and the stability of the device are ensured; and after each time of ultrasonic cleaning, all cleaned dirt can be discharged, so that the cleaning effect is improved.

This utility model relates to the technical field of cotton candy equipment, specifically disclosing an integrated drive device for a motor and a furnace head main shaft. The device includes a support base on which a brushless motor is mounted. A hollow motor shaft is installed inside the brushless motor, and a sugar feeding pipe is installed inside the motor shaft. A furnace head is mounted at the upper end of the motor shaft and the sugar feeding pipe, enabling the motor shaft, sugar feeding pipe, and furnace head to rotate synchronously. This integrated drive device integrates the motor shaft of the brushless motor with the furnace head, eliminating the need for traditional drive wheels, driven wheels, and belt drive structures. By directly connecting the motor shaft of the brushless motor to the furnace head, the size of the furnace head is reduced, resulting in a simpler overall structure, lower maintenance costs, and simpler assembly requirements.

The invention discloses a stainless steel composite plate welding method considering welding deformation control and welding efficiency. The stainless steel composite plate welding method comprises the following steps that (1) a stainless steel composite plate to be welded comprises a base layer and a composite layer; the base layer is carbon steel and the composite layer is stainless steel; (2) the two stainless steel composite plates to be welded are subjected to positioned welding assembly, the positioned welding assembly gap is controlled to be (0.2-0.3) b2 mm, and b2 is the thickness of the base layer; and (3) the stainless steel composite plate is welded, stainless steel composite plate welding seams comprise a base layer carbon steel welding seam, a transition layer stainless steel welding seam and a composite layer stainless steel welding seam, and each layer of welding seam only has one welding bead. The comprehensive welding quality (good corrosion resistance and mechanical property), welding deformation control, welding efficiency and cost of the stainless steel composite plate are considered; the method is suitable for connection of medium-thickness single-face stainless steel composite plates applied to the fields of petroleum, chemical engineering, light industry, ocean engineering, nuclear industry and the like.

A high-voltage disconnector is connected between the isolation intervals of at least one phase busbar, and includes a contact assembly, a moving assembly and a traction assembly. The contact assembly is connected to the traction assembly, and the contact assembly is slidably matched with the busbar through the moving assembly. The traction assembly includes a drone, and the drone can drive the contact assembly to reciprocate between the isolation intervals along the axis direction of the busbar to connect or disconnect the isolation intervals. A high-voltage disconnector of the present invention does not have a complex operating mechanism and transmission mechanism. The contact assembly performs linear reciprocating motion under the cooperation of the moving assembly and the traction assembly. The drone is used to drive the opening and closing of the contact assembly, and the insulator can be further omitted, making its structure and the coordination between the various mechanisms simple, reducing the requirements for assembly accuracy and degree of coordination, and the overall space occupied is small.

The utility model discloses a treatment head and a therapeutic apparatus, the treatment head comprises a shell, a guide shaft, a shaft sleeve and a transduction assembly, the guide shaft, the shaft sleeve and the transduction assembly are all located in the shell, the guide shaft is connected with the shell, the shaft sleeve is slidably connected with the guide shaft, and the shaft sleeve is suitable for moving in a first direction; the transduction assembly comprises a support and a transducer, the shaft sleeve is connected with the support in an abutting mode, and the support can move in the first direction through the shaft sleeve and output ultrasonic energy through the transducer. According to the invention, the assemblability of the support and the shaft sleeve can be improved, the shaking amount of the support is reduced, and the treatment effect of the treatment head is improved.

The utility model relates to the technical field of electronic products, and discloses an electronic equipment accessory, which comprises a shell, a circuit board assembly and a heat dissipation component, and is characterized in that the shell is provided with an inner wall structure forming an accommodating cavity; the circuit board assembly is arranged in the accommodating cavity, and the circuit board assembly is provided with a first fixing structure; the heat dissipation component is arranged between the circuit board assembly and the inner wall of the shell, the heat dissipation component is provided with a second fixing structure matched with the first fixing structure, and detachable fixed connection between the heat dissipation component and the circuit board assembly is achieved through insertion matching of the first fixing structure and the second fixing structure. Compared with the prior art in which the radiating fins and the circuit board are welded and fixed through tin soldering, the plug-in operation is more convenient, the assembly process is simplified, the assembly requirement is reduced, the assembly efficiency and the product production efficiency can be improved, meanwhile, tin materials are saved, and the production cost is reduced. Moreover, during later maintenance, the operation of desoldering and tin melting is not needed, so that the maintenance efficiency can be improved, and the circuit board assembly is not easy to damage.

The invention discloses a connection structure of a plunger and a crosshead, comprising a plunger, a crosshead, an upper compensation block and a lower compensation block, wherein the lower end of the plunger has a disc-shaped structure, the upper part of the crosshead has a compensation cavity, the upper wall of the compensation cavity has a first through hole, the plunger passes through the first through hole, the upper compensation block, the lower compensation block and the disc-shaped structure are located in the compensation cavity, the upper compensation block is located on the upper side of the disc-shaped structure, the lower compensation block is located on the lower side of the disc-shaped structure, a radial gap is provided between the outer side wall of the plunger and the inner side wall of the first through hole, an axial gap is provided between the upper compensation block and the upper wall of the compensation cavity, a radial gap is provided between the upper compensation block and the side wall in the compensation cavity, a radial gap is provided between the lower compensation block and the side wall in the compensation cavity, and a radial gap is provided between the disc-shaped structure and the side wall in the compensation cavity. The plunger can be radially displaced and can also be rotated in the compensation cavity, and radial compensation and angle compensation can be realized simultaneously, so that the plunger can be self-adjusted in time to ensure smooth reciprocating motion.

This utility model discloses a miniature radio frequency coaxial cable connector, including a plug housing and plug terminals. The plug housing includes a mating body and a shielding base plate. The mating body has a mating cavity and a riveting part. The shielding base plate is integrally connected to the mating body through a bendable connecting arm and also has a wire clamp for riveting to the outer insulating sheath of the coaxial cable. The plug terminals are fixed in the mating cavity by an insulating core and include an integrally formed elastic contact and a core wire clamping part. The core wire clamping part is electrically connected to the inner core of the coaxial cable. The contact surface of the elastic contact is exposed and can float along the mating direction. This utility model abandons the traditional two-piece metal clamp structure, simplifies the overall structure, reduces the requirements for production and assembly precision, facilitates assembly and mass production, avoids mating jamming and terminal damage, improves mating convenience and usage stability, and is suitable for radio frequency signal transmission scenarios of ultra-thin electronic devices.

The utility model provides a weft accumulator control device which comprises a motor, a motor control board and an inductance type encoder which are arranged on a shell, a motor cavity is formed in the middle of the shell, a control cavity is formed in the top of the shell, and the inductance type encoder is installed at the tail of the shell. The motor comprises a stator and a rotor, the stator is tightly attached to the inner wall of the motor cavity and is provided with a cavity penetrating in the axial direction, the rotor is rotatably arranged in the cavity in a penetrating mode, a rotating shaft of the rotor penetrates out of the tail of the shell, and the rotating shaft is of a hollow structure and allows weft yarn to penetrate through; the inductance type encoder comprises a stator plate and a rotor plate, and the rotor plate is sleeved and fixed on the part, penetrating out of the tail part of the shell, of the rotating shaft; the stator plate is sleeved outside the rotating shaft, is fixed at the tail part of the shell and is arranged opposite to the rotor plate; the stator plate is electrically connected with the motor control plate, and the motor control plate is electrically connected with the stator.

The utility model discloses a gas pressure reducing valve, which comprises a valve sleeve, a gas inlet cavity and a gas outlet cavity are arranged on the lower portion of the valve sleeve, a control cavity is arranged on the upper portion of the valve sleeve, and the gas inlet cavity is communicated with the control cavity through a gas flow channel. The control cavity is communicated with the air outlet cavity; the head of the sealing assembly is arranged in the air inlet cavity, and the tail of the sealing assembly penetrates through the air flow channel and is located in the control cavity; a gap is reserved between the outer wall of the tail of the sealing assembly and the inner wall of the flow gas channel for gas to flow through. The diameter of the head of the sealing assembly is larger than that of the flow air channel. The valve body is arranged in the control cavity and seals the control cavity, a groove is formed in the lower portion of the valve body, and the tail of the sealing assembly is located in the groove; the tail portion of the sealing assembly slides in the groove in a seamless mode. The variable-pressure cavity is communicated with the air outlet cavity; and the pressure regulating piece is arranged in the pressure regulating cavity, is an elastic body and is used for controlling the position of the sealing assembly in the groove. The utility model has the advantages of simple structure, low requirement on assembly process, and stable and reliable product performance.

The invention relates to the field of galvanic pile production equipment, in particular to high-precision automatic stacking equipment used on a galvanic pile production line. A single battery feeding mechanism is used for storing and positioning galvanic pile single batteries; the secondary positioning mechanism is used for carrying out secondary positioning on the electric pile single battery; the stacking tray is used for storing and positioning the galvanic pile single cells and stacking the galvanic pile single cells to form a galvanic pile; the stacking three-axis transferring mechanism is provided with an action terminal, and the stacking three-axis transferring mechanism can control the action terminal to move in the wire inlet space; the stacking gripper mechanism is used for sucking the electric pile single batteries, the stacking gripper mechanism is installed at an action terminal of the stacking three-axis transferring mechanism, and the stacking three-axis transferring mechanism drives and sucks the electric pile single batteries to move among the single battery feeding mechanism, the secondary positioning mechanism and the stacking tray. The equipment not only can ensure the single cell stacking precision of the electric pile, but also can improve the working efficiency.

The utility model relates to the technical field of lifting columns, in particular to a ball spline structure for lifting of a stand column, which comprises the stand column and a lower flange component, the lower flange component is mounted at the bottom of the stand column, a spline sleeve is fixedly mounted at the top of the stand column, and a spline shaft is slidably mounted on the spline sleeve along a key groove. A through hole is formed in the spline shaft in the axial direction, an air spring is fixedly installed in the through hole of the spline shaft, a decorative pipe is installed outside the stand column, an upper flange assembly is installed at the top of the decorative pipe, and an upper flange is arranged at the bottom of the upper flange assembly. The through hole is formed in the spline shaft, the inner space of the hole is large, the middle hollow part can contain and install the gas spring and is used for driving and locking the stand column, the gas spring can drive the spline shaft to move directionally along the key groove, the lifting stand column is locked by installing the gas spring, the assembly requirement is not high, and the assembly efficiency is high. And the phenomenon of jamming caused by overlarge unbalanced load bearing is avoided.