24results about How to "Eliminate assembly errors" patented technology

The utility model relates to the field of moka kettles, and discloses an integrated moka kettle which comprises a kettle body and a water outlet assembly, the kettle body is integrally formed, and a matching ring which divides the interior of the kettle body into an upper cavity and a lower cavity horizontally extends inwards from the inner ring wall of the kettle body. The water outlet assembly comprises a funnel and a liquid outlet pipe, the funnel is in lap joint with the matching ring, the bottom of the funnel extends into the lower cavity, the liquid outlet pipe is detachably sealed above the funnel, a kettle cover is detachably fixed to the upper end of the kettle body, and a downward pressing adjusting assembly capable of pressing the funnel on the matching ring is arranged on the kettle cover in a lifting mode. The downward pressing adjusting assembly comprises an internal thread through groove formed in the kettle cover in a downward concave mode and a thread jacking piece matched with the internal thread through groove, and the lower end of the thread jacking piece is provided with an elastic abutting piece which can elastically abut against the upper end of the liquid outlet pipe along with downward jacking of the thread jacking piece in the internal thread through groove. And the kettle cover is more labor-saving and convenient to cover.

The utility model discloses a connecting structure of plunger pumps and a concatemer rotary valve, which belongs to the technical field of filling metering control and comprises a rotary valve sleeve, a plurality of plunger pumps and a connecting component used for connecting the rotary valve sleeve and the plunger pumps, and the rotary valve sleeve and the plurality of plunger pumps are supported by a fixed frame. The plunger pump comprises a plunger sleeve and a plunger rod installed in the plunger sleeve, the plunger sleeve comprises a plunger upper end, a plunger middle end and a plunger lower end, a flat milling position is machined on the outer wall of the plunger middle end, the connecting assembly comprises a connecting pipe, and the top end of the connecting pipe is connected with the bottom end of the rotary valve sleeve. The plunger pump and the rotary valve sleeve are connected through the connecting pipe, the connecting pipe is subjected to dual protection sealing through the sealing ring, screws or hoops are not needed for connection, parts are reduced, meanwhile, a certain floating space is achieved, assembly errors caused by multiple parts can be eliminated, the plunger pump is arranged to be the plunger upper end, the plunger middle end and the plunger lower end, and the assembly efficiency is improved. And the fixing bracket can be conveniently and quickly disassembled and assembled when being used for fixing.

The air filter for the oilless air compressor comprises a front-end filter and a rear-end filter which are connected and matched with each other, the cyclone separator is arranged at the front end and comprises a separator upper cover, a separation device and an ash storage box which are connected in sequence; the rear-end filter comprises a filter upper cover, a filter main body and a mounting seat which are matched with one another; wherein the separator upper cover and the filter upper cover are integrated into an integral structure, the separating device is a conical cavity, the upper end of the separating device is connected with the separator upper cover, and the lower end of the separating device is connected with the ash storage box; the filter upper cover is connected with the filter body, the filter body is installed on the installation base, the structure is simple, installation is convenient, and the filtering effect is good.

The utility model provides a square cell sealing nail welding with anchor clamps, including bottom plate, and set up in the bottom plate's benchmark fixed plate, floating fixed plate, intermediate fixed plate, long side fixed plate and cushion block, wherein: benchmark fixed plate with floating fixed plate opposite setting, intermediate fixed plate with long side fixed plate opposite setting, floating fixed plate at least partial can be close to or far from benchmark fixed plate, long side fixed plate at least partial can be close to or far from intermediate fixed plate, cushion block is used for supporting the battery, and the cushion block is between intermediate fixed plate and long side fixed plate, first guide shaft is configured on the cushion block, first guide shaft with bottom plate sliding connection is established, and first buffer spring is configured between the cushion block and bottom plate. The utility model discloses cushion block floating assembly, can avoid welding plate and battery hard contact, and can eliminate the longitudinal assembly error of battery simultaneously.

This application discloses a three-dimensional ultra-wideband power divider, belonging to the field of radio frequency communication technology. It includes an input port, a strongly coupled line unit, a weakly coupled line unit, a first output port, and a second output port. The input port, strongly coupled line unit, and weakly coupled line unit are connected sequentially. The first terminal of the second end of the weakly coupled line unit is connected to the first output port, and the second terminal of the second end of the weakly coupled line unit is connected to the second output port. The weakly coupled line unit includes any number of coupling lines and multiple first resistors, with the multiple first resistors bridging between two coupling lines of the weakly coupled line unit. The strongly coupled line unit is a three-dimensional integrated vertical substrate circuit structure. This application overcomes the contradiction between ultra-wideband, high isolation, low loss, and mass production through a three-dimensional integrated structure, gradually changing coupling lines, and a multi-level bridging resistor network, providing a high-performance power divider solution for high-frequency communication systems.

The utility model discloses a horn installation structure and an electronic device, the horn installation structure comprises a housing, the housing is provided with an installation groove, the groove bottom of the installation groove is provided with a sound outlet hole and a waterproof strip, the sound outlet hole penetrates through the groove bottom of the installation groove, the waterproof strip is arranged along the outer side of the sound outlet hole for a circle, and the waterproof strip is arranged on the outer side of the installation groove. The waterproof strip and the shell are integrally formed; and the loudspeaker is adaptively arranged in the mounting groove, the loudspeaker is provided with a clamping piece, a clamping part is arranged at a corresponding position of the shell, and when the clamping piece is adaptively clamped with the clamping part, the loudspeaker extrudes the waterproof strip, so that the loudspeaker is hermetically connected with the groove bottom of the mounting groove. According to the utility model, the required space is small, the waterproof effect is good, the assembly is simple, and the first pass yield of the production process is improved.

An undercarriage down lock deflection adjusting mechanism comprises an upper lock rod, a lower lock rod, a check block, an adjusting check block and a fixing base. The upper lock rod and the fixed seat are respectively mounted on the undercarriage, the upper lock rod is rotationally connected with the lower lock rod through a pin shaft, and a certain angle is reserved between the upper lock rod and the lower lock rod to form deflection; the stop block is fixed with the lower lock rod through a fastener, so that the stop block can rotate along with the lower lock rod; the impact surface of the check block and the impact surface of the adjusting check block are attached to each other and abut against each other, so that the lower lock rod cannot rotate when subjected to external force, and the deflection is kept unchanged; the adjusting check block and the fixing base are fixed through a fastener, and the contact faces of the adjusting check block and the fixing base are both of a tooth-shaped structure and are meshed with each other. The deflection value is adjusted by adjusting the position of the check block in the lower lock, so that the deflection value reaches a design value, and when large abrasion occurs, the lower lock can be maintained only by replacing the small check block in the structure without replacing large structural parts such as a lock rod.

The utility model provides a kind of to buckle formula bag filter frame and bag filter, it includes: first assembly component, first assembly component includes first frame body and first clamping frame, and it is equipped with clamping piece on first clamping frame, and clamping piece includes elastic protruding part;Second assembly component, second assembly component includes second frame body and second clamping frame, and second clamping frame is correspondingly set with first clamping frame, and it is equipped with clamping groove thereon, and elastic protruding part can be embedded in clamping groove.The utility model has realized the quick clamping of the filter bag and lossless assembly, and there is no additional tool in the whole operation, and the replacement efficiency of single filter bag is significantly improved.First assembly component and second assembly component are all used integrated structure, not only reduce the number of parts, but also eliminate the assembly error caused by the cooperation tolerance of multiple components, truly realize the multiple optimization of structure simplification, cost reduction and use convenience, and have broad use prospect in this industry.

This utility model relates to the field of household appliances, and particularly to a rotary dehumidifier and a rotary dehumidifier. It includes a mounting frame and a rotary frame; the rotary frame has a receiving cavity for mounting the dehumidification disc, and the mounting frame has a mounting cavity for rotatably mounting the rotary frame. The front end of the mounting cavity is a mounting opening. The mounting frame also has a drive assembly for driving the rotary frame to rotate within the mounting cavity, and a limiting assembly located around the mounting opening for confining the rotary frame within the mounting cavity. This improved assembly method by limiting the rotary frame eliminates assembly errors of the dehumidification disc, making installation simpler and more convenient.

The utility model discloses an integrated nut and lead screw device which comprises an upper plate, a lower plate, a guide rail mounting plate, a crossed roller guide rail side rail, a bearing seat, a lead screw and an integrated nut. The lead screw and the integrated nut are combined into a lead screw nut pair; the lower plate is fixed on a working table, and the guide rail mounting plate and the bearing seat are locked and fixed on the lower plate; the crossed roller guide rail side rail is arranged on the guide rail mounting plate, the lead screw nut pair is connected with the crossed roller guide rail side rail, and the driving end of the lead screw nut pair penetrates through the bearing seat to be connected with an external driving unit; the upper plate is connected to the upper side of the integrated nut and used for bearing a product. The lead screw nut pair is connected with the crossed roller guide rail structure, load weight is transmitted to the crossed roller guide rail, and the problem that in an existing nut lead screw device, connection between a nut and a linear motion element is complex is solved.

A rotary workpiece production line belongs to the technical field of column head processing equipment. It includes a drilling device and a lathe processing device, and is characterized in that it also includes a material dividing device (4), which is arranged between the drilling device and the lathe processing device. At least two lathe processing devices are arranged side by side. The material dividing device (4) is connected to the lathe processing device and distributes workpieces (14) to the corresponding lathe processing devices. At least two lathe processing devices are arranged in the rotary workpiece production line, so that at least two workpieces can be processed at the same time, and two workpieces of different models can be processed separately. The material dividing device can divide the materials for the lathe processing device, thereby realizing the automatic processing of the column head, greatly improving the processing efficiency, and can adjust the model of the processed workpiece according to the needs, which well meets the production needs.

The present invention relates to a cover plate bonding structure for a vehicle-mounted display screen, including a cover plate, a TFT module, a first two-component silicone adhesive layer, a second two-component silicone adhesive layer and a mounting frame. The cover plate is fixed by the two-component silicone adhesive, and the temperature shock and mechanical vibration resistance between the cover plate and the mounting frame are increased, so that the reliability of mechanical shock is high. The second two-component silicone adhesive layer fixes the TFT module on the mounting frame. The two-component silicone soft adhesive can achieve reliable bonding at room temperature and within a reasonable process time, and the two-component silicone adhesive has good weather resistance to ensure that the vehicle-mounted product is reliably fixed at ‑40℃~+95℃. The two-component silicone soft adhesive has good flexibility, which can effectively eliminate the assembly error caused by the cumulative size error of each part, as well as the internal stress introduced by the torque difference and deformation when screwing, so as to avoid the deterioration of low light leakage. It takes into account the requirements of narrow black frame of the display screen, the requirements of fixed reliability, the requirements of low light leakage prevention, the requirements of low cost, the requirements of flexible design and the requirements of manufacturing automation.

This utility model discloses an antenna radome flipping assembly device, including a frame, a flipping bearing component, a flipping plate component, and an anti-rotation mechanism. The flipping bearing component consists of two sets, each including: a bearing fixedly installed on the top of the frame; and a stainless steel rotating shaft fixedly fitted inside the inner ring of the corresponding bearing. This utility model, through a series of structures, can prevent mistakenly positioning the antenna array, ensuring that employees cannot place the antenna array in the wrong direction or repeatedly adjust its position, thus eliminating assembly errors and improving efficiency and accuracy. It can press and lock the antenna array after the outer cover is installed, and can rotate and lock the positioned and pressed antenna array and outer cover to prevent rotation, allowing personnel to tighten screws from below. Furthermore, it can precisely guide the screws during tightening, preventing damage to the antenna array during screw tightening and reducing the risk of damaging parts.

The invention belongs to the technical field of biological detection, and particularly discloses a full-automatic glycosylated hemoglobin separation and purification device which is used for solving the problems existing in glycosylated hemoglobin separation and purification. The device specifically comprises a separation and purification box, a box door is mounted at one end of the separation and purification box, a first mounting plate is fixed to the other side of the separation and purification box, on one hand, the position and height of a sampling needle are adjusted through a first motor and an electric push rod, and the sampling needle can conveniently suck a sample and put the sample into a hematolysis box; the hemolysis box, the filter cartridge and the chromatographic column are cleaned through a mixing rod, a second transmission pump and a first transmission pump, so that the glycosylated hemoglobin is convenient to separate and purify; on the other hand, the sample tube can be fixed through the spring and the check block, displacement of the sample tube is avoided, the sample tube is pushed to ascend through the supporting plate, the sample tube is conveniently taken out, and therefore the sample tube is conveniently assembled and disassembled.

An elastic connector and an arch rib assembly method, which relate to the field of arch bridge construction, are connected across the joint formed by the front arch rib segment and the rear arch rib segment, and the elastic connector comprises: an elastic component, which comprises a fixed steel plate A and an elastic matching component, the elastic matching component is a rectangular cylinder, a pair of cylinder walls of which are elastic steel plates and friction steel plates A arranged in parallel and spaced relation; two side end faces of the fixed steel plate A are respectively vertically connected to the outer side face of the elastic steel plate and the front arch rib segment on one side of the joint; the elastic component also comprises a plurality of adjustment bolts penetrating the elastic steel plate; a matching component, which comprises a fixed steel plate B and a friction steel plate B; two side end faces of the fixed steel plate B are respectively vertically connected to the friction steel plate B and the rear arch rib segment on the other side of the joint; the friction steel plate A is aligned and fixed with the friction steel plate B. The invention assists in completing the assembly of the arch rib segments, improves the positioning speed, and realizes the stress-free closure of the arch bridge.

The utility model discloses an electric valve actuator, which is characterized in that a main shell and a base of a motor are integrally formed and are not independently manufactured any more, the motor can be formed only by arranging a rotor, a stator and other components into the main shell and arranging a cover, and the main shell and the base do not need to be independently assembled. The assembly error caused by the fact that the main shell and the base need to be assembled in the prior art is eliminated, meanwhile, the main shell and the base are integrally formed and can be designed and manufactured in a unified mode, the error caused by independent design and manufacturing of one of the main shell and the base is eliminated, and on the basis, the parallelism between the output shaft of the motor and the wheel shaft of the gear set can be greatly improved; therefore, the driving resistance of the motor is reduced, and the phenomenon that the output shaft of the motor is stuck is avoided. In addition, as the main shell and the base are of an integrally formed structure, the bonding strength of the motor and the base can be improved, and the manufacturing cost can be reduced.

The invention relates to a multispectral polarization imaging method based on polarization color routing, which is applied to an imaging system comprising a single-layer metasurface structure and an image sensor, and comprises the following steps: obtaining imaging parameters comprising a wavelength range, a polarization state demand and a pixel channel layout; a metasurface structure meeting the imaging parameters is constructed, the metasurface structure splits and focuses incident high-dimensional spectrum polarization signals to different pixel channels, the correlation between response spectrums of any two pixel channels is smaller than a set value, and transmission light signals are sensed by an image sensor; obtaining a sparse observation value after the sparsification of the incident light signal; and reconstructing the transmission light signal into an incident light signal based on the sparse basis function and the observation matrix of the metasurface structure. Multi-dimensional optical information can be obtained under the condition of low-sampling measurement, the weight and size of the system can be remarkably reduced by adopting the single-layer metasurface structure, the energy utilization efficiency of light is improved, and waste of the number of pixels is avoided.

This invention discloses a hydraulic thruster propulsion position monitoring mechanism, thruster, and method, which solves the problem in the prior art that displacement sensors cannot accurately locate the assembly position, and has the beneficial effect of improving product consistency. The specific solution is as follows: A hydraulic thruster propulsion position monitoring mechanism includes a transmission component installed radially on the assembly. One end of the transmission component extends into the axial process hole of the assembly. One end of the transmission component at the axial process hole contacts a guide component. An elastic component is provided at the other end of the transmission component. The end of the elastic component away from the transmission component is limited. The transmission component is connected to a position feedback column, which is installed at the axial opening of the assembly. When the assembly shaft moves relative to the assembly, it contacts the guide component, thereby driving the position feedback column to move radially.

The application provides a calibration method of a right-angle prism for aircraft assembly, and belongs to the field of aircraft assembly tools. The application is realized based on a calibration adjustment clamp, a laser radiator positioning seat on the clamp clamps the laser radiator, a prism positioning seat clamps the right-angle prism, an incident light calibration front seat and an incident light calibration rear seat are arranged on an incident light path, the coaxiality of incident light is calibrated by the fact that light rays simultaneously meet the requirements of target center on the two calibration seats, a refracted light calibration front seat and a refracted light calibration rear seat are arranged on a refracted light path, the calibration of the right-angle prism is realized in a way of over-constraint by the fact that refracted light simultaneously meets the requirements of target center on the two calibration seats. The application realizes the calibration of the right-angle prism, guarantees that the perpendicularity is controlled within 0.05mm in the range of 10m, the calibrated prism has been applied in the process of aircraft product manufacturing, and good application effect is obtained, and the positioning and detection precision of the product are improved.

The application discloses an ultrasonic device, which comprises a main frame and a lifting assembly; the main frame is provided with a positioning member, and the lifting assembly is positioned and installed on the main frame through the positioning member; the main frame comprises a fixed frame and a fixed beam, a limiting space for placing the lifting assembly is formed between the fixed frame and the fixed beam, the fixed position of the fixed beam on the fixed frame is adjustable to adjust the size of the limiting space, the fixed frame is provided with a first assembly hole, and the fixed beam is fixed on the fixed frame through a first fixing member which passes through the first assembly hole and is adjustable in position on the first assembly hole. In the installation process of the lifting assembly, the fixed beam is first fixed on the outer side of the lifting assembly, and then the fixed beam and the frame beam are fixed together through the first fixing member; in the installation process, the first fixing member is allowed to move in the first assembly hole, and the installation mode can not only eliminate the assembly error between the lifting assembly and the main frame, realize reliable installation of the lifting assembly on the main frame, but also is labor-saving and easy to assemble.

The utility model discloses a sliding door and window pulley structure, which relates to the technical field of door and window accessories, and comprises a pulley base, the pulley base is of a horizontal U-shaped structure, a plurality of pulley connecting rods are fixedly connected between two vertical plates of the pulley base, the pulley connecting rods are connected with a pulley support, and the pulley support is connected with the pulley base. A plurality of support connecting rods are fixedly connected to the pulley support, pulley blocks are connected to the support connecting rods, every two pulley blocks are arranged side by side in the width direction of the pulley base, and a plurality of pulley blocks are arranged in the length direction of the pulley base; a side top seat is fixedly arranged on one side of the pulley base, a jacking bolt is in threaded connection with the side top seat, and the jacking bolt is in threaded connection with the side wall of the pulley support; the width of the pulley bracket is less than half of the length of the support connecting rod, so that the pulley block can be adjusted in position along the direction of the support connecting rod, the assembly error of the door and window assembly structure can be effectively eliminated, and the sliding stability of the door and window is ensured.

The utility model discloses a spiral wringing machine which comprises a screen frame and an extrusion shaft which are coaxial, one end of the screen frame is connected with a feeding box body, a discharging box body is arranged below the other end of the screen frame, the extrusion shaft penetrates through the screen frame, spiral blades are wound on the periphery of the extrusion shaft, and the spiral blades are arranged in a multi-section discontinuous mode along the circumference of the extrusion shaft. A tapered enlarged variable-diameter extrusion section is arranged between every two adjacent spiral blades, and one end, close to the discharging box body, of each variable-diameter extrusion section is a large end, so that the diameter of the extrusion shaft is enlarged in a stepped manner in the discharging direction; the inner wall of the screen frame is provided with a plurality of inward convex striker plates, and the inner edge of each striker plate is close to the corresponding variable-diameter extrusion section; and a material turning extrusion section with enlarged volume is arranged between every two adjacent reducing extrusion sections. The screen frame is of an integral half structure, and the two ends of the lower sides of the two half screen frames are hinged to the box body through screen frame pin shafts so that the screen frame can be integrally opened or closed. The spiral squeezing machine is high in squeezing efficiency, the moisture content of materials is low and uniform, the service life of the bearing is prolonged, and the phenomenon that the materials are blocked and cannot be discharged is avoided.

The utility model belongs to aerospace technology field, concretely relates to a propeller integral forming die, the utility model discloses a propeller integral forming die includes first mould and second mould, and the first mould has the profiling groove, and the second mould has the profiling boss, and the second mould and first mould buckle and connect, and the profiling boss is used for and the profiling groove plug-in and form propeller forming cavity. Using the propeller integral forming die in the technical scheme can realize the integrated forming of propeller, and the propeller prepared using the propeller integral forming die can significantly improve the structural reliability of equipment propulsion system, reduces the assembly error, and is convenient for dynamic balance debugging.

This application provides a battery pack housing assembly, a battery device, and an electrical device. It can be used in the field of battery technology. The battery pack housing assembly includes a housing body and a connecting structure; the housing body has a receiving cavity for accommodating at least a battery cell assembly; the housing body includes a base plate; at least a portion of the connecting structure is located inside the base plate, and the connecting structure is integrally formed with the base plate, and is used for electrical connection with the battery cell assembly. This achieves a simple structure and high integration.