31results about How to "Improve fit stability" patented technology

The application discloses a kind of pipeline weld X-ray real-time imaging detection equipment, it is related to pipeline weld detection technical field, including equipment shell, the upper surface of the equipment shell left and right sides are fixedly connected with the positioning cylinder for clamping and limiting pipeline, and the upper surface of equipment shell is fixedly connected with ray emitter, and ray emitter is located between two groups of positioning cylinder, while the emission end of ray emitter is set upwards.The pipeline weld X-ray real-time imaging detection equipment, in the process of placing frame down, placing frame will drive the side limit rod down, limit rod drives gas supply plate to be synchronously lowered in fixed barrel, the volume of chamber above fixed barrel increases at this time, generates negative pressure suction, after the internal pressure of auxiliary box reduces, external air pressure pushes sealing plate to move, sealing plate drives adjusting block to move towards fixed block direction synchronously, and cooperates fixed block to complete the automatic clamping and limiting of imaging film side.

The application belongs to a valve structure, and aims at the technical problem that the existing electromagnetic valve for satellites is difficult to balance in response speed, power consumption, weight, environmental adaptability and long-term reliability, and provides a special medium axial flow self-locking electromagnetic valve for satellites, which adopts open coil, close coil and permanent magnet cooperation to drive the axial movement of armature, and keeps the valve open or closed after power off, so as to reduce the continuous power consumption and improve the reliability in satellite application. The axial flow fluid channel is formed through the internal channel of the framework, the peripheral channel of the armature and the internal channel of the valve seat assembly, so as to reduce the flow resistance and improve the medium flow capacity. The valve core and the valve seat assembly sealing surface are coaxially matched, the pre-tightening and buffering effect of the elastic member are beneficial to improve the sealing stability, reduce the impact wear and prolong the service life.

The application relates to the field of vacuum aluminum-plated paper processing and specifically discloses a dry-wet compounding process for vacuum aluminum-plated paper. The dry-wet compounding process for vacuum aluminum-plated paper comprises the following preparation steps: S1, coating a bottom adhesive on a film, and heat setting one side of the bottom adhesive close to the film; S2, compounding the heat-set bottom adhesive with base paper, curing the bottom adhesive, and forming a bottom coating layer on the surface of the base paper; S3, vacuum aluminum plating on the side of the bottom coating layer away from the base paper to form a vacuum aluminum-plated layer; and S4, coating a surface adhesive on the side of the vacuum aluminum-plated layer away from the bottom coating layer, curing to form a surface coating layer, and obtaining vacuum aluminum-plated composite paper. The dry-wet compounding process can improve the amount of the bottom adhesive without causing overflow of the bottom adhesive, improve the folding resistance of the obtained vacuum aluminum-plated paper, and solve the color explosion problem.

The wearable lumbar and dorsal muscle training detection device comprises side bandages arranged on the two sides of the waist, the side bandages are connected through elastic bands, and hard plates are fixed to the front ends of the side bandages. Extension plates are upwards arranged on the rear sides of the side bandages, and detection motor pieces corresponding to the erector spinalis are evenly installed on the inner sides of the extension plates and used for detecting the stress states of the left erector spinalis and the right erector spinalis in the training process. A tightness observation mechanism is arranged on the outer side of the hard plate on one side and comprises a fixed box, a sliding plate, a boss, a sliding groove, a spring and an indication line, and the wearing tightness degree is visually displayed through the position change of the sliding plate. A tightening mechanism is arranged on the outer side of the hard plate on the other side and comprises a supporting plate, a rotating shaft, a rotary knob, an inclined plate, a torsional spring and a wedge-shaped groove matched with the connecting belt, tightening and fixing of the connecting belt are achieved through a one-way limiting structure, and locking is controlled to be released through the rotary knob so as to achieve quick detaching.

The utility model relates to a motor shaft for a pipeline centrifugal pump. Belongs to the technical field of mechanical manufacturing. The utility model mainly provides a corrosion-resistant motor shaft for a pipeline centrifugal pump or solves the problem of mechanical seal failure caused by corrosion. The mechanical seal is mainly characterized by comprising a shaft section used for installing the mechanical seal; and a heat-resistant steel and stainless steel welding layer is arranged at the outer diameter of the shaft section. The device has the characteristic of prolonging the service life of the pipeline centrifugal pump, and is mainly used for repairing a new motor shaft of the pipeline centrifugal pump or a motor shaft with mechanical seal failure caused by corrosion.

This application relates to a fixing mechanism, a glass assembly, and a vehicle. The fixing mechanism includes a support member and a binding member. The support member has a first connecting portion, a second connecting portion, and a limiting recess. The limiting recess is disposed between the first connecting portion and the second connecting portion. The limiting recess is used for limiting and engaging with a power transmission component. The binding member has a first end and a second end opposite to each other, the second end being connected to the second connecting portion. The first connecting portion and the first end are connected such that the binding member and the limiting recess form a mounting portion for mounting the power transmission component. When the power transmission component is mounted in the mounting portion, the limiting recess and the binding member abut against at least a portion of the power transmission component. The fixing mechanism of this application is beneficial for improving the installation stability of power transmission components such as wiring harnesses on the glass assembly.

The utility model discloses a big tonnage spherical crown lining plate auxiliary turnover frock relates to big tonnage spherical crown lining plate processing, assembly and detection auxiliary equipment technical field. This big tonnage spherical crown lining plate auxiliary turnover frock, including frock body, the frock body is rectangle board shape structure, and the long side one side of frock body is provided with trapezoidal slot, and trapezoidal slot fixedly connected in the edge of spherical crown lining plate body, and the frock body is provided with fastening mechanism and taut mechanism, and the outside of frock body is provided with hoisting mechanism, and the edge between trapezoidal slot and lining plate 11 is provided with antiskid mechanism, this big tonnage spherical crown lining plate auxiliary turnover frock, and the edge of trapezoidal slot of frock body and spherical crown lining plate body inlay, and the accurate butt joint of borrowing trapezoidal direction limit is realized, and prevents the shift, and the subsequent mechanism installation is based on, and the fixed connection of both forms integral force structure, guarantees and turns over firm.

The application discloses a safety seat, comprising a base, a seat, an adjusting assembly and a backrest, the base is provided with a connecting boss extending in the front-rear direction and provided with a plurality of clamping holes in the front-rear direction; the seat is provided with a connecting groove matched with the connecting boss, so that the seat is adjustably arranged on the base; the adjusting assembly is arranged on the seat, and the clamping piece of the adjusting assembly is selectively clamped into any clamping hole to fix the seat; the backrest is detachably connected to the seat through a backrest pipe, the connecting boss is provided with a limiting groove, the backrest pipe is provided with a blocking piece, and the seat is provided with a limiting piece selectively extending into the limiting groove; when the backrest is removed, the clamping piece is clamped in the last clamping hole, and the limiting groove is matched with the limiting piece to lock the seat; when the backrest is installed on the seat, at least part of the blocking piece is located between the limiting groove and the limiting piece to release the locking of the seat, so that the application range is improved, and the safety and reliability are improved.

The application provides an anode carbon block for an aluminum electrolytic cell, which comprises an anode carbon block body, a steel claw assembly and an anode guide rod; the anode carbon block body is square as a whole and is provided with a protrusion at the upper portion; the steel claw assembly comprises a plurality of steel claws which are arranged in parallel and are connected perpendicularly to the anode guide rod; a carbon bowl corresponding to the number of the steel claws is formed in the protrusion; the lower end of each steel claw is provided with a plug-in part and is plugged into each carbon bowl respectively; a circular limiting step protruding upward is arranged at the middle position of the inner bottom wall of the carbon bowl; a clamping groove is formed in the middle position of the lower end surface of the plug-in part of the steel claw; the lower end of the plug-in part of the steel claw has a step surface; a first carbon ring which is in contact with the step surface is sleeved on the outside of the lower end of the plug-in part; and the outer ring surface of the first carbon ring and the inner side wall of the carbon bowl are bonded by carbon cement. The anode carbon block of the application can keep a good plug-in posture and a good conductive contact state of the steel claw during operation by the combined cooperation of plug-in limiting, cementing buffering and multi-point constraint, and is more stable and reliable in use.

The utility model relates to the technical field of new energy batteries, and discloses a single battery and a battery pack, the single battery comprises: a housing provided with an accommodating cavity and having a first wall surface and a second wall surface; the cover plate covers and seals the containing cavity in the third direction, the cover plate is provided with a first face, a second face and a third face, the first face deviates from the shell in the third direction, the second face faces the shell in the third direction, the third face is connected between the first face and the second face, and the third face is matched with the first wall face in a stopping mode; the limiting structure comprises a limiting groove and a limiting table, one of the first wall surface and the third surface is provided with the limiting groove, the other one of the first wall surface and the third surface is provided with the limiting table, and the limiting table and the limiting groove are in stopping fit in the first direction, the second direction and the third direction. Through two-time limiting, the matching stability of the cover plate and the shell during welding is improved, the distance and height difference between the welding faces of the cover plate and the shell are controlled, and the laser welding quality is improved.

The utility model belongs to the technical field of toys, especially relates to a wooden cone production toy, which comprises: a wooden main body composed of natural wood; further comprises: a functional area, the functional area comprises a first storage area, a second storage area, a production area and a taking area distributed on the wooden main body; a cone simulation piece, the cone simulation piece comprises a plurality of simulated cone skins and simulated cone balls; wherein the plurality of simulated cone skins and simulated cone balls are placed in the first storage area and the second storage area respectively, the simulated cone skins and simulated cone balls can be arranged in the taking area and the production area respectively and cooperate with the simulated cone production process through the taking area and the production area, and relative to the prior art, the utility model simulates a cone production process, increases the interactivity between the toy and children, combines the cone production process with cognitive learning and action training, and realizes the perfect fusion of entertainment and education.

The application discloses a preformed mesh fixing support for oral soft tissue widening, relates to the technical field of oral implantation and repair, and comprises a mesh main body, an edge elastic memory support ring and a suture guiding ring. The mesh main body is made of degradable flexible material. The central part of the mesh main body is a central high-density compression area, and the periphery is a peripheral low-density decompression area. The mesh hole density of the central high-density compression area is higher than that of the peripheral low-density decompression area. The edge elastic memory support ring is arranged at the peripheral edge of the mesh main body, and the suture guiding ring is arranged at a specific position of the edge of the mesh main body and is used for guiding the suture to pass through to realize the fixation of the mesh main body. The application can solve the problems of instability of fixation, complexity of operation, poor area adhesion, easy curling and displacement of material, easy compression of edge blood supply, easy falling of the protection material of the upper palate supply area and the like when the existing soft tissue graft and replacement material mainly rely on traditional suture fixation.

The utility model discloses a kind of bearing ring of MOCVD epitaxial equipment, wafer bearing device and MOCVD epitaxial equipment, including week wall, shielding part, annular connecting part, week wall extends upwards along the radial outer side of connecting part, shielding part extends downwards along the radial inner side of connecting part, connecting part includes the upper support surface extending radially from the radial inner side boundary of week wall to the radial inner side edge of connecting part, and the lower support surface extending radially from the radial outer side boundary of shielding part to the radial outer side edge of connecting part, the radial outer side edge of upper support surface is closer to the radial outer side of connecting part than the radial inner side edge of lower support surface.The utility model improves the cooperation stability of bearing ring and base, reduces wafer pollution accumulation and improves rotation balance, with the advantages of reducing pollution, improving rotation stability and thin film deposition uniformity.

The application relates to the field of road engineering quality detection, in particular to a high embankment slope structure and a deformation monitoring device thereof, which comprises an embankment slope main body and an embankment solidification structure arranged on the embankment slope main body, the embankment solidification structure comprises a transverse support structure and a vertical support structure which cooperate with each other, the transverse support structure comprises a bottom transverse protection net and a top transverse protection net, the bottom transverse protection net is composed of a plurality of transverse telescopic support rods and a bottom plate support seat, each transverse telescopic support rod is perpendicular to the bottom plate support seat, each transverse telescopic support rod is movably connected with the bottom plate support seat, and the bottom plate support seat is fixedly arranged at the outer side edge of the embankment slope main body, so that the technical problem that the existing embankment slope is prone to landslides due to climate changes such as rain and causes road collapse or deformation and no timely monitoring alarm is solved.

An organic polysiloxane-modified cyclodextrin compound composed of a sugar unit represented by the following formula (1) [in the formula, R is a hydrogen atom, a group represented by the following formula (2) (in the formula, R 1 is a group selected from an alkyl group having 1 to 8 carbon atoms, a fluorine-substituted alkyl group having 1 to 8 carbon atoms, and an aryl group having 6 to 12 carbon atoms, n is an integer of 1 to 10, and a is an integer of 0 to 3], or a group represented by the following formula (3) (in the formula, X is a divalent organic group, and * is a bonding end that bonds with a hydroxyl group of another sugar unit]. The ratio of the number of moles N H of hydrogen atoms, the number of moles N S of the group represented by the above formula (2), and the number of moles N L of the group represented by the above formula (3) is N H :N S :N L = 0.5 to 2.5: 0.3 to 2.0: 0.1 to 0.5, N H +N S +N L = 3.0.

A circuit breaker includes a housing with two ends serving as terminals. Each terminal contains a wiring terminal, which corresponds to an operating hole and a wiring port located within the housing. An operating mechanism is housed within the housing, and an overload protection mechanism is located within the housing between the operating mechanism and one of the terminals. The overload protection mechanism includes a bimetallic component and an adjusting screw. The bimetallic component cooperates with the operating mechanism. An adjusting hole is located on the same side wall of the housing between the operating hole and the operating mechanism, with one end of the adjusting screw corresponding to the adjusting hole and the other end connected to the bimetallic component for adjusting the distance between the bimetallic component and the operating mechanism. In this invention, the adjusting hole and the operating hole are located on the same side of the housing, facilitating adjustment of the terminals and the overload protection mechanism from the same side, shortening the distance between the adjusting hole and the bimetallic component, saving internal space, and reducing costs.

The utility model discloses a ring surface conductive type battery assembly, which comprises a battery main body, and a positive electrode bulge and a negative electrode bulge are arranged on the top surface of the battery main body; the negative electrode is arranged above the battery main body; the plastic pad is arranged between the negative electrode and the battery main body, and a contact piece for covering the negative electrode bulge is formed on the negative electrode; the positive electrode is arranged in the negative electrode, and the positive electrode is in contact with the positive electrode bulge; and the plastic insulating ring is arranged between the cathode and the anode and is used for realizing insulation between the cathode and the anode. The device has the beneficial effects that through the installation design of stacking the parts of the annular structure, packaging treatment can be conveniently carried out, and the positioning precision and the installation efficiency in the assembling process are improved; meanwhile, the attaching stability is considered, by means of the design, the tab can be tightly attached to the connector in cooperation with an electrode plate positioning structure in the electronic cigarette, contact can still be kept even if collision occurs, and the current use requirement can be met.

The utility model relates to a television cabinet technical field especially disclose a television cabinet structure with adjustable baffle, including cabinet, cabinet includes first board body and second board body, and the length direction of first board body and second board body is crossed, is provided with adjusting assembly and first limiting assembly respectively on first board body and second board body, and adjusting assembly includes the first stop piece of relative first board body sliding setting, and first limiting assembly includes first strip piece and the first groove body of opening in first strip piece, and the crossed setting of first board body and second board body length direction plays the role of constructing television cabinet main body frame basic structure, makes television cabinet have the effect that basic space contains function, the first stop piece relative first board body sliding setting plays the role of flexible adjustment baffle position in adjusting assembly, realizes the user can according to actual demand, freely changes the position of first board body, improves television cabinet internal space utilization, satisfies the effect that the demand of diversified storage.

This utility model belongs to the field of air source heat pump coil technology, specifically referring to an air source heat pump coil assembly, including a shell and a single tube. The shell has a cylindrical hollow structure, and a fixing plate is installed on the top of the shell. The fixing plate is horizontally covered on the top of the shell, and the fixing plate has through holes. Two sets of through holes are arranged symmetrically, and connecting components are installed in the corresponding through holes. The single tube passes through the connecting components and the through holes. The two sets of single tubes pass through the two connecting components and the through holes respectively. The tube segments located inside the shell are spirally wound to form a coil. The connecting components include a threaded sleeve, a nut, and a trapezoidal rubber ring. Double sealing is achieved through the cooperation of the trapezoidal rubber ring and the elastic rubber ring. The annular step of the trapezoidal rubber ring and the annular convex edge of the elastic rubber ring form an interference fit, which can actively compensate for the aging gap of the rubber ring after long-term use. At the same time, the ease of assembly is significantly improved, and the installation time is greatly shortened.

This utility model discloses an assembled building construction beam frame, which includes a connector. A clamping plate is connected inside the connector via an adjusting component. A beam-column is arranged on the inner wall of the clamping plate. The connector is sleeved on the outer wall of the beam-column. A reinforcing component is provided at the top of the connector. Splicing columns are provided inside both the left and right ends of the connector. Limiting blocks are fixedly connected to the inner walls of both the left and right ends of the connector. Limiting grooves are formed on the surface of the splicing columns, and the limiting blocks are located inside the limiting grooves. This device, through a unique clamping plate and spring structure, allows the clamping plate to move on a smooth rod and compress the spring when the beam-column is inserted. This adapts to beams and columns of different specifications, greatly expanding its applicability. Rotating the knob causes the threaded rod to move the slider, and the reinforcing column pushes the contact plate to tightly adhere to the beam-column. The friction texture enhances the stability of the fit, while the reinforcing column effectively shares the tilting force.

This utility model provides a grille assembly and a fresh air device. The grille assembly includes multiple blades, a transmission component, and a connector. One end of each blade is hinged to the transmission component via a transmission shaft. The connector is connected to a second rotating shaft and is rotatably arranged around the second rotating shaft. The connector is plate-shaped, and a connecting shaft is integrally formed on one side of the connector. The connecting shaft is snap-fitted to one end of the transmission component, so that the connecting shaft and the transmission component are hinged. The transmission shaft, the second rotating shaft, the connecting shaft, and the first rotating shaft are parallel to each other and spaced apart. Because the plate-shaped connector has a connecting shaft integrally formed on one side, and the connecting shaft is hinged to the transmission component through the snap-fit ​​engagement, the stability of the fit between the connecting shaft and the transmission component is improved, thereby improving the transmission stability of the blades, reducing the occurrence of blade jamming during movement, avoiding the impact on the sealing effect and ventilation efficiency of the air outlet or air inlet, and improving the reliability of the fresh air device operation.

The utility model provides a kind of BIM cable bridge road visualization construction auxiliary device for constructional engineering, it is related to the technical field of constructional engineering construction equipment, including support assembly, support assembly is constituted by bottom plate, limiting slide bar and top plate, and limiting slide bar is connected between bottom plate and top plate, further include: adjusting lifting assembly, adjusting lifting assembly is constituted by lifting plate slidingly connected on limiting slide bar, and lifting plate of adjusting lifting assembly is slid along limiting slide bar, cooperate with symmetric distribution electric push rod, it can be realized to lift component stable lifting when working, electric push rod synchronous drive, balanced force, avoid lifting component inclination, ensure its accurate movement along vertical direction, limiting slide bar is the guidance of lifting plate, constrain its movement track, reduce shaking and deviation, this structure design makes bridge height adjustment flexible controllable, can quickly adapt to different construction position requirement, improve construction efficiency and positioning accuracy, provide reliable support for cable bridge installation.

The utility model relates to the technical field of pile foundation sounding pipes, and discloses an ultra-long pile foundation sounding pipe installation structure which comprises a pile frame and pipelines, the bottom of the inner wall of the pile frame is fixedly connected with a plurality of second fixing sleeves, the multiple pipelines on the lower side are fixedly connected with the corresponding second fixing sleeves, sleeves are arranged between the adjacent pipelines, and the sleeves are fixedly connected with the pile frame. The device comprises a plurality of sleeves, the adjacent ends of the multiple pipelines are fixedly connected with clamping rings, the middle of the inner wall of each sleeve is fixedly connected with a rubber ring, the left side and the right side of the inner wall of each sleeve are each provided with two strip-shaped grooves, the inner walls of the strip-shaped grooves are slidably connected with trapezoidal clamping blocks, and the sides, away from each other, of the trapezoidal clamping blocks are fixedly connected with springs. The bottom of the inner wall of the pile frame is fixedly sleeved with the two-connection pipeline, stable supporting is provided, the adjacent pipeline sleeves, the clamping rings, the rubber rings and the trapezoidal clamping blocks cooperate, the rubber rings enhance attachment, the trapezoidal clamping block springs are tightly connected with the clamping rings, and the reliability of the sounding pipe in construction is guaranteed.

The utility model relates to medical instrument technical field and disclose a kind of indwelling needle anti-warping application, including application main part, the application main part is equipped with the fastener for the positioning indwelling needle, the application main part is also equipped with the fixing piece and the reinforcing piece for further fixing the indwelling needle positioned on fastener, the utility model provides an indwelling needle anti-warping application, by symmetrical reinforcing wing on the both sides of application main part, external force is dispersed, can promote the stability of sticking, setting fastener can be stuck indwelling needle, limit to shake, two fixing pieces restrict front and rear end, reinforcing piece strengthens middle fixed, form all-around fixed system, can effectively prevent indwelling needle from rising displacement.

The utility model discloses a kind of wonton production devices, including device main body, the device main body left end is provided with hopper, the hopper front end bottom is provided with conveying pipe, the hopper inside bottom is provided with screw conveyor, the hopper inside top is provided with connecting assembly, the hopper top is provided with cover plate by the connecting assembly, the cover plate top left end is provided with feed pipe, the cover plate bottom is provided with scraping assembly, and the cover plate bottom is connected with screw conveyor top by the scraping assembly, the cover plate outside is provided with annular plate, the annular plate inside bottom and hopper outside top slide fit, the hopper front and rear both ends top is provided with fixed mechanism, the hopper front and rear both ends top is connected with annular plate one end by the fixed mechanism;Fixed mechanism realizes the quick fixing and unlocking of annular plate and hopper, greatly shorten cleaning preparation time, adapt to the demand of frequent cleaning after wonton production.

The utility model provides a kind of positioning device of mould, belong to mould manufacturing technical field, the positioning device of this mould includes positioning seat body, positioning column, adjusting mechanism, locking mechanism and guiding mechanism;Positioning seat body is hollow cylinder, bottom is equipped with bottom surface, and circular through-hole is opened in the center of bottom surface;Stepped positioning column is composed of lower section cylinder and the upper section cylinder of greater diameter;Adjusting mechanism contains adjusting seat and adjusting screw rod, adjusting seat is fixed in seat body side wall, adjusting screw rod passes through adjusting seat and extends into seat body interior, and its end abuts on the side wall of upper section cylinder to adjust height;Locking mechanism is composed of locking bolt and locking block, locking block is placed in seat body, locking bolt is connected with locking block by thread in radial through seat body side wall, and locking block inner arc surface and upper section cylinder outer wall are pasted to realize lock solid;Guiding mechanism contains guide sleeve and guide rod, guide sleeve is fixed in seat body top end, guide rod passes through guide sleeve and is fixedly connected with the top end of upper section cylinder, and it is ensured that column lifting direction is accurate and unbiased.

The utility model discloses an electric tool box, including the box, the box includes first lid and second lid, first lid with second lid lower end articulates cooperation, first lid with second lid upper end is connected through the buckle cooperation, first lid with second lid upper still be equipped with the handle, first lid and second lid all are equipped with the storage groove, the storage groove all place have the cushion, be equipped with a plurality of connecting rings on second lid, be connected with the elastic band on connecting ring, the elastic band is used for winding fixed first lid and second lid and fixed the cushion to the storage groove, and the beneficial effect is as follows: with the winding synergies of buckle and elastic band, can effectively promote the cooperation stability between first lid and second lid, and then enhance the firm degree of cooperation between both. In addition, utilize the support foot to make the tool box realize the change to the stool function, thereby expand the functional diversity of tool box.

This utility model discloses a stainless steel sheet stamping device for easy demolding, relating to the field of steel sheet processing technology. The device includes a base, a frame fixedly connected to the top of the base, a cylinder fixedly connected to the inner wall of the frame, an upper pressure box and a lower pressure box fixedly connected to the inner wall of the frame, and a demolding component and an auxiliary component fixedly connected to the inner wall of the frame. Through the linkage of components such as air pipes, sliders, and pull rods, air is blown onto the stainless steel sheet using air holes, quickly separating the stamped part from the lower pressure box. These two demolding methods work together to reduce demolding time and improve overall production efficiency. Two symmetrically distributed air pipes ensure a more even air pressure distribution within the lower pressure box. Air intake through the air holes during the stamping process enhances the bonding stability between the stainless steel sheet and the lower pressure box, preventing the stainless steel sheet from shifting during stamping.