35results about How to "Reliable limit" patented technology

The utility model discloses a forward scattering visibility meter for ice cloud distribution analysis, relates to the technical field of meteorological monitoring equipment, and is used for solving the problem that a conventional bracket is difficult to provide stable support for the forward scattering visibility meter. The forward scattering visibility meter for ice cloud distribution analysis comprises a forward scattering visibility meter body and a support used for supporting the visibility meter body, the support comprises an alloy truss and a height adjusting mechanism, the height adjusting mechanism is arranged on the upper side of the alloy truss, and the forward scattering visibility meter is arranged on the height adjusting mechanism. The device further comprises a supporting base, a metal sleeve, a fixing column and a bottom plate. The supporting seat adopts a concrete structure; the metal sleeves are partially fixed in the supporting seat, the number of the metal sleeves is at least three, and the at least three metal sleeves are coaxially arranged; the bottom plate is arranged on the upper side of the metal sleeve; the bottom of the bracket is fixedly arranged on the bottom plate; the number of the fixing columns is at least three, the at least three fixing columns correspond to the at least three metal sleeves in a one-to-one mode, and the tops of the fixing columns are fixedly connected with the bottom plate.

This invention belongs to the field of impact impeller technology, and specifically relates to a detachable water bucket impact impeller structure and its assembly method. The technical solution is as follows: A detachable water bucket impact impeller structure includes a hub and several water buckets. Each water bucket includes a handle and blades. Several mounting grooves are provided on the edge of the hub, and the handle mates with the mounting grooves. A wedge-shaped key is provided between the handle and the mounting grooves. A limiting ring is bolted to the surface of the hub, and the limiting ring covers the wedge-shaped key. This invention provides a detachable water bucket impact impeller structure and its assembly method, facilitating water bucket replacement and ensuring reliable connection between the water buckets and the hub.

The utility model belongs to the technical field of pipe roundness correction, disclose a kind of appearance roundness correction equipment for engineering plastic pipe processing, including support platform, the first positioning frame is fixed in support platform left side upper end, first positioning frame both sides install first positioning roller, the transmission roller is installed in the first positioning frame lower end, first positioning frame upper end is provided with positioning frame, and positioning frame lower end is connected second positioning roller, the second positioning frame is fixed in support platform upper end, second positioning frame upper end is fixed heating pipe, and heating pipe inner wall installs heating wire, the third positioning frame is fixed in support platform right side upper end.This appearance roundness correction equipment for engineering plastic pipe processing is positioned to pipe by setting transmission feeding structure, and realizes uniform feeding, and cooperate rotary roundness correction structure, can be after heating to pipe, by multiple groups of rotating roundness correction roller to pipe roundness correction processing, and cooperate cooling structure, realize complete roundness correction procedure, realize continuity operation.

The utility model belongs to the technical field of pipe bending mould, especially arc rod of heavy -duty passenger car wrinkleless pipe bending mould of taking in, including bottom frame, the top one end of bottom frame is provided with sliding guide mechanism, the top other end of bottom frame is provided with driven limit adjustment mechanism and initiative limit adjustment mechanism respectively, the inside of bottom frame is provided with bending drive mechanism. This arc rod of heavy -duty passenger car wrinkleless pipe bending mould, this mould cleverly integrated a variety of precision mechanism, realized the efficient, accurate and wrinkleless bending processing of heavy -duty passenger car arc rod. Sliding guide mechanism utilizes PTFE sliding cover, ensured the stable, accurate guidance of passenger car arc rod before entering the bending area, effectively protected the passenger car arc rod surface and reduced the friction resistance. Driven limit mechanism provides initiative, adjustable clamping force through the air cylinder, cooperates with slide rail guide and fine adjustment function, realizes reliable initial positioning and process limit.

This utility model discloses an electrical connector sheath mounting structure, including a wire harness end sheath and an appliance end socket. The wire harness end sheath includes a sheath body, a longitudinal arm on one side of the sheath body, and a locking block on the longitudinal arm. The appliance end socket has a locking opening on its side that cooperates with the locking block. The electrical connector sheath mounting structure of this utility model has the advantages of simple structure, low cost, and high reliability.

The utility model relates to LED lamp equipment technical field provides a kind of inner frame for LED lamp, comprising: lamp shade;Anti-loose lock accessory, set in the inside of lamp shade, its outer peripheral part is in abutment with the inside wall of lamp shade;Sealing cover, install in the inner bottom of anti-loose lock accessory;Sealing anti -drop piece, set in sealing cover edge and anti-loose lock accessory corresponding position, the relative movement between sealing cover and anti-loose lock accessory can be limited.The utility model sets up anti-loose lock accessory and sealing anti -drop piece, so that the support component connection of the device is more closely, more reliable limit, can maintain inner frame structure stability for a long time, reduce the trouble caused by loosening misplacement, at the same time, the multi-dimensional sealing anti -drop design of the device setting, so that the fixation of sealing cover is more firm, sealing is more comprehensive, can significantly reduce the risk of water seepage, prolongs the service life of inner frame internal element.

The utility model relates to the technical field of cleaning devices, and discloses a water squeezing mechanism and a mop, the water squeezing mechanism comprises a rear shell, a front shell, a scraping piece and an annular buckling piece, the rear shell comprises a rear plate body and a mounting wing; the front shell comprises a front cover plate and a fixed wing, and the mounting wing of the rear shell is opposite to the fixed wing of the front shell, so that the front shell covers the rear shell; the scraping and washing part is arranged on the mounting part, the mounting part is a mounting wing or a fixed wing, and an extrusion opening is formed between the scraping and washing part and the rear plate body; the outer sides, away from the extrusion opening, of the installation wing and the fixed wing are combined to form an annular assembly part, and the annular buckling piece and the annular assembly part are installed in a matched mode and used for connecting the rear shell and the front shell in a combined mode. The rear shell and the front shell are connected from the side face through the annular buckling piece, the connection stability of the front shell and the rear shell can be improved, and long-term use of the water squeezing mechanism is facilitated. And moreover, the annular assembling part matched with the annular buckling piece is arranged, so that the mounting position of the annular buckling piece can be positioned.

The utility model relates to medical image auxiliary device field discloses a head fixing cover for nuclear magnetic resonance examination. The fixing cover includes fixed base, head cover, head fixing assembly, buffer gasket and neck support pillow, is equipped with the sliding slot on the fixed base, and the neck support pillow bottom and sliding slot sliding cooperation, the head cover is connected with the fixed base through the pivot, and is equipped with the buckle, the head cover top sets up head fixing assembly, including thread sleeve, threaded column, handle and elastic pressure cap, and the buffer gasket is attached in the head cover inner wall. All structures are made of nonmetal, nonmagnetic material. The structure can realize multidirectional stable positioning to the head, has good adjustability and MRI compatibility, and is suitable for the fixed support of head in the process of nuclear magnetic resonance examination.

The utility model discloses a feeding device for polysaccharide food extraction production, which relates to the technical field of polysaccharide extraction, and comprises a feeding component, when a lifting hopper obliquely moves upwards along with a conveying belt, a guide rail frame plate is in contact with rollers arranged on two sides of the lifting hopper, so that the movement of the lifting hopper can be guided and limited, and the feeding component is used for feeding the polysaccharide food. The lifting hopper keeps a stable track in the moving process, when materials in the lifting hopper are not evenly distributed, the gravity center of the lifting hopper shifts and inclines towards one end, the guide rail frame plates can limit the two ends of the lifting hopper, and therefore the situation that a conveying belt deforms due to the fact that the lifting hopper inclines is avoided; the conveying belt is well protected, meanwhile, scattering of raw materials is avoided, reliable guiding and limiting are provided for lifting the hopper, it is ensured that the hopper stably runs in the conveying process, scattering of polysaccharide food raw materials caused by shaking of the hopper is avoided, the stability of material conveying is improved, and raw material waste is reduced.

The utility model discloses a kind of oil return filter shell fixing tool, belong to filter technical field, including installation platform, rotation mechanism is provided on installation platform, rotation mechanism is provided on rotation platform, rotation platform is provided with bottom positioning block, top limiting mechanism is provided above bottom positioning block, the upper portion of installation platform is provided with a plurality of side limiting mechanism, in addition, top limiting mechanism can be realized opening or avoiding position before and after filter shell clamping, it is convenient for operator to freely take and place filter shell, it can be punched to shell outside, simultaneously, the punching requirement of top surface of shell outer ring is considered, satisfy the structure processing requirement under complex working condition.

The utility model discloses a draw bar type shoulder and back massaging machine core, including machine core casing, drive motor, first transmission mechanism, second transmission mechanism, two eccentric mechanism, shoulder massage mechanism and back beating mechanism. Drive motor sets up in the machine core casing, and first transmission mechanism has kneading axle, and second transmission mechanism has beating axle and one -way limiting mechanism, and eccentric mechanism is fixed in the kneading axle both ends and includes first eccentric wheel and the eccentric wheel of inclination setting, and shoulder massage mechanism includes the kneading swing arm of the eccentric wheel on the sleeve setting, and back beating mechanism includes the second eccentric wheel of the beating axle on the sleeve setting, the massage top rod of the second eccentric wheel on the sleeve setting and the draw bar of hinged massage top rod and first eccentric wheel. The utility model discloses through single drive motor realizes shoulder kneading, back beating and shoulder and back clamping relaxation's compound massage function of relaxing, and the structure is compact, and the massage effect is good.

This application belongs to the technical field of electricity meter manufacturing equipment, and discloses a main control board programmer for smart meters, comprising: a base on which a vertical frame is mounted, with multiple programming positions distributed horizontally on the base, the programming positions being used to limit the main control board to be programmed; a programmer frame rotatably mounted on the vertical frame, with multiple programmers mounted on the programmer frame, the programming connectors of the multiple programmers being mounted on the base and corresponding to the programming positions; a pressing mechanism movably mounted on the vertical frame, the main control board to be programmed being electrically connected to the programming connectors through the pressing of the pressing mechanism; the programmer frame has an unfolded state and a folded state by flipping; in the unfolded state, the left and right ends of the programmer frame protrude from the left and right sides of the base respectively; in the folded state, the left and right ends of the programmer frame are close to the left and right center lines. This solves the problem of large overall width and large space occupation when storing existing technologies with multiple programmers arranged linearly.

This application discloses a machining and fixing device for a slurry pump sleeve. This device, through the cooperation of a base plate, a vertical plate, side plate limiting plates, and outer and inner pressure plates, limits the position of the worm gear-type slurry pump sleeve, facilitating its mounting on a machine tool for machining. This fixing device provides multi-point limiting of the slurry pump sleeve, with each limiting point distributed at multiple important locations on the sleeve, ensuring stable and reliable positioning.

The utility model relates to water conservancy engineering technical field discloses a kind of aqueduct expansion joint water stop device, including pedestal, the top of the pedestal is provided with protection mechanism, the inner bottom wall of the pedestal is provided with water stop mechanism, the top of the water stop mechanism is fixedly connected with two water stop plates, the outside of two water stop plates is provided with limiting mechanism, the water stop mechanism includes multiple grip ribs, the bottom of multiple grip ribs is fixedly connected in the inner wall of the pedestal, the outside of multiple grip ribs is fixedly connected with reserved water stop groove, the inner bottom wall of the reserved water stop groove is fixedly connected with two centering plates. In the utility model, centering plate and top plate design can accurately guide water stop belt to be in position and provide stable support, while drainage groove ensures that fixing agent is evenly injected, further enhances the fixing effect and sealing performance of water stop belt, avoids leakage problem caused by not firm or not tight sealing, increases its service life.

The utility model discloses an insulated support device for conductor rail, including mounting seat, support insulator, set up on the mounting seat, be used for supporting and insulation to the conductor rail, and compensation component, set up on the mounting seat with the guide rail is connected, compensation component configuration can allow guide rail moves on the mounting seat along the first direction to compensate the deflection of guide rail. When the guide rail is because the deflection of guide rail produces the position deviation of compensation component compensation, avoids the contact pressure imbalance caused by mounting seat and guide rail rigid fixed.

This utility model discloses an enameled wire integration device for motors, including an integration bracket, an enameled wire frame, and a conveying assembly. The integration bracket has an integration cavity; the enameled wire frame is installed in the integration cavity and has multiple installation positions, each suitable for placing an enameled coil; each installation position includes a fixing frame, a placement frame, and an installation rod, both of which are installed in the integration cavity. The fixing frame and the placement frame are arranged opposite to each other. The top of the placement frame has a placement groove. One end of the installation rod is suitable for hinged to the fixing frame, and the other end of the installation rod is a movable end; the other end of the installation rod is suitable for installation in the placement groove to restrict the movement of the enameled coil installed on the installation rod. It can effectively integrate enameled wires, ensuring the neatness and fixation of the enameled wires during motor assembly, and improving the quality and efficiency of motor assembly.

This utility model relates to a tripping mechanism and a switchgear having the same mechanism. The tripping mechanism includes: an elastic element, one end of which is a movable end. The elastic element is selectively in an energy-storing deformation state or an energy-releasing reset state through the reciprocating motion of the movable end; an actuating element, which has a mating part disposed on the movement path of the movable end during the energy-releasing reset process of the elastic element. During the energy-releasing reset movement, the movable end drives the mating part, thereby causing the actuating element to perform a tripping action; and a triggering element, which has a latching part selectively disposed in the energy-releasing reset direction of the movable end of the elastic element or deviating from that direction. By changing the movement of the triggering element, the latching part abuts against or disengages from the movable end, thereby selectively switching the energy-storing deformation state or the energy-releasing reset state of the elastic element. This utility model offers faster and more efficient tripping action and allows for more flexible structural design of the disconnecting switch, which is beneficial for the miniaturization of disconnecting switches and other switchgear.

This invention provides a high-level tank for accelerator recovery and treatment, including a tank body, a traveling wheel at the bottom of the tank body, a support plate at the bottom of the tank body, and multiple guide grooves on the support plate adapted to the traveling wheel. The traveling wheel is rolled within the guide grooves, and a guide limiting component is provided at the end of the guide groove. The guide limiting component can guide the movement of the traveling wheel and lock the traveling wheel in its position. This invention can achieve automatic guidance and limiting of the high-level tank through the guide grooves and guide limiting component, which facilitates the rapid and stable installation of the high-level tank and greatly improves the installation efficiency and stability of the high-level tank.

The utility model relates to chip processing field, specifically disclose a material guiding unit and chip bonding device for chip bonding, the material guiding unit among them includes material guiding frame and drive mechanism, the material guiding frame is set up and is opened to material guiding groove, the material guiding groove one end open setting forms material guiding export, the material guiding groove be equipped with the pressing piece, the pressing piece with the bottom surface rotatory movable joint of material guiding groove, just the pressing piece with material guiding frame between be equipped with elastic part, the pressing piece is equipped with first inclined plane away from material guiding export one end, first inclined plane towards one of the side walls of material guiding groove set, the drive mechanism includes drive insert plate and driving piece, drive insert plate insert into material guiding groove, just the one end of drive insert plate is equipped with with first inclined plane corresponding second inclined plane, the material guiding unit above can reliably guide and limit metal lead, effectively improve the bonding reliability.

This utility model relates to the field of high-precision transmission technology, specifically disclosing a pin-fixed cage and a planetary roller screw assembly. The cage includes an annular cage base with a central hole and multiple roller limiting holes evenly distributed along its circumference. The cage base also has at least two pin holes distributed along its circumference. It further includes a pin that is adapted to and installed within the pin holes. When the pin is installed in the pin holes, a portion of it extends inward into the central hole. This structure achieves axial positioning through the pin, breaking away from the traditional two-sided positioning design. While ensuring circumferential rotational freedom, it simplifies the overall structure. Even under the harsh conditions of miniaturized planetary roller screw assemblies, the pin structure still ensures the reliable connection between the cage and the screw or nut, maintaining excellent operational stability.

This utility model relates to air conditioners, specifically providing an indoor unit and an air conditioner, aiming to solve the problem of difficult assembly and maintenance in confined spaces by addressing the installation structure of the air guide plate drive assembly. To this end, the indoor unit of this utility model includes: a mechanism box, including a first connecting portion, the first connecting portion including a first limiting hole; and a cover, including a second connecting portion, the second connecting portion including a first positioning post; the first positioning post passes through the first limiting hole, so that the mechanism box is connected to the cover. This utility model achieves pre-positioning installation through the insertion and engagement of the first positioning post and the first limiting hole, significantly reducing the alignment adjustment time during fastening of the connecting parts, achieving precise guided installation in the confined space of the air conditioner, and providing a stable mechanical reference for subsequent connection of connecting parts, making the connection between the mechanism box and the cover more reliable and easier to assemble.

This utility model provides a wristband bracket, which includes a frame portion, a wristband portion, and a bracket portion. The frame portion is a hollow structure and is used to install on the camera exposure part of the protective shell body. One end of the wristband portion is fixedly connected to the frame portion, and the other end of the wristband portion is a movable end. The bracket portion is used to limit the movable end of the wristband portion. The bracket portion includes a bracket base and a rotating bracket rotatably connected to the bracket base. The bracket base is used to connect to the protective shell body.

The utility model discloses a splicing type electric pole which is formed by splicing a plurality of pipe bodies end to end, any two adjacent pipe bodies are connected through a connecting rod, the two ends of each connecting rod extend into the corresponding two adjacent pipe bodies respectively, two sets of threaded holes are formed in each connecting rod, and the threaded holes are connected with the pipe bodies in a sleeved mode. A group of first through holes are formed in each of the two adjacent pipe bodies, each first through hole corresponds to a bolt, the bolts penetrate through the first through holes and extend into the corresponding threaded holes to be in threaded fit with the threaded holes, and the two adjacent pipe bodies are spaced. According to the splicing type electric pole, the connecting rod is located in the pipe body, the end portion of the bolt is located in the connecting rod, only the bolt body of the bolt is located outside the pipe body, the thickness of the bolt body of the bolt is small, damage to the surface continuity of the connecting position of the electric pole is small, and the connecting position of the electric pole formed by splicing is good in consistency. Physical obstacles on a climbing path cannot be caused, and climbing is facilitated.

This utility model relates to a phase angle calibration mechanism for gear parts on an upper broaching machine, belonging to the technical field of auxiliary equipment for upper broaching machine processing. It includes a worktable and a mounting base plate fixedly connected to the outside of the worktable. A base centering block is fixedly connected to the upper surface of the worktable. The mounting base plate is fitted to the side of the base centering block and fixedly connected to the worktable. The mounting base plate is equipped with a pin guide mechanism for limiting the workpiece and a dotting mechanism for marking dots on the workpiece surface. This phase angle calibration mechanism for gear parts on an upper broaching machine utilizes a measuring cylinder piston rod and a pin mounting block arranged coaxially, along with a guide block and a parallel guide structure of the lower slide rail, to drive the pin to smoothly and accurately engage with the gap between the workpiece teeth, achieving reliable limiting. Through the vertical linkage of two cylinders in the dotting mechanism, precise dotting marks are completed, achieving automated phase angle calibration, significantly improving efficiency and consistency.

This utility model discloses a precision temperature and humidity control cultivation box for edible fungi, belonging to the field of edible fungi cultivation technology. It aims to solve the problems of imprecise airflow regulation and accidental slippage of the collection box in existing technologies. The cultivation box includes a main body, a ventilation mechanism, and a collection mechanism. The ventilation mechanism includes a ventilation duct, hinges, and a motor driving the hinges. The collection mechanism includes a collection box, a pull ring, a limiting block, and a fixing block. During operation, the motor drives the hinges to rotate within the ventilation duct via a rotating column to precisely regulate the airflow. Operating the pull ring allows the limiting block to engage or disengage with the fixing block, achieving reliable locking or convenient unlocking of the collection box. This utility model has a reasonable structural design, achieving precise airflow control and effectively preventing accidental slippage of the collection box, significantly improving the stability of the cultivation environment and the safety of operation.

This utility model belongs to the field of cleanroom technology and environmental monitoring, and particularly relates to a PSL generator with a movable base. It includes a generator body, a pressure gauge, a connecting pipe, an oil inlet, and a smoke outlet. The pressure gauge is installed on the left side of the generator body, the connecting pipe is installed on the upper side of the pressure gauge, the oil inlet is installed on the top of the generator body, and the smoke outlet is installed at the rear of the generator body. The combination of the support base and the movable wheels enables convenient movement of the equipment, improving operational flexibility in multi-station settings. An automatic lifting and fixing mechanism, consisting of a suction cup, connecting plate, servo motor, lead screw, and controller, automatically locks the equipment securely upon reaching the detection point, preventing displacement and ensuring stable smoke outlet direction for accurate detection. The height of the equipment can also be finely adjusted to adapt to different usage requirements.

The utility model discloses a plate heat exchanger convenient to disassemble, which relates to the technical field of plate heat exchangers and comprises a front end plate, upper guide rods are fixedly connected to positions, close to corners of two sides of the upper end, of the front end plate, and lower guide rods are fixedly connected to positions, close to corners of two sides of the lower end, of the front end plate. A front fixing block is fixedly connected to the middle position of the lower end of the front end plate, a reciprocating lead screw is rotatably connected to the rear end of the front fixing block, a rear end plate is slidably connected to the upper guide rod and the lower guide rod, a rear fixing block is fixedly connected to the middle position of the lower end of the rear end plate, and the rear fixing block is in threaded connection with the reciprocating lead screw; the reciprocating lead screw is driven by the motor to rotate, the rear end plate is in sliding connection with the upper guide rod and the lower guide rod, and the universal wheels are in auxiliary moving design, so that the rear end plate can quickly and stably move relative to the front end plate, the heat exchanger can be easily opened in a short time, convenience is created for taking out plates, and production efficiency is improved.

The utility model discloses an air quality sensor which comprises a shell and a printed circuit board (PCB) arranged in the shell. The shell comprises a back plate and an outer shell, the outer shell is clamped on the back plate, a pressing plate assembly is clamped on the back plate, and the pressing plate assembly is connected with the PCB; the shell presses the pressing plate assembly through the inner supporting column so that the pressing plate assembly can press and fix the PCB on the back plate. The PCB fixing device is novel in structure, the PCB is easy to disassemble and assemble, follow-up maintenance is convenient, a screw fixing mode is replaced, and labor saving and rapidness are achieved.