27results about How to "Gap stability" patented technology

The invention relates to an accurate die-cutting mechanism of a printing slotting die-cutting machine, which comprises a rubber mat roller for mounting a rubber mat, a template roller for mounting a die-cutting tool and two side wall plates, two ends of the rubber mat roller are respectively and rotationally connected with the two side wall plates, and two ends of the template roller are respectively and rotationally connected with the two side wall plates. The rotating direction of the rubber mat roller is opposite to the rotating direction of the template roller, the rubber mat roller is located above the template roller, a gap for a carton board to pass through is formed between the rubber mat roller and the template roller, and the rotating speed adjusting mechanism is used for adjusting the gap between the rubber mat roller and the template roller. Meanwhile, a rotating speed adjusting mechanism is arranged, the rotating speed of the rubber mat roller is adjusted through the rotating speed adjusting mechanism, the linear speed of the rubber mat roller is made to be the same as that of the template roller, and therefore the die cutting precision of the carton board is guaranteed, it is guaranteed that the size of the carton board after die cutting is accurate, and follow-up folding forming is facilitated.

The utility model discloses a factory silkworm breeding shelf, including net board, still include mechanical hand grab and support containment structure, and the shelf is grabbed through the mechanical hand grab, and the support containment structure is used for supporting the shelf, the utility model discloses enough bottom support is provided for the shelf, makes it can be stably placed on the silkworm frame or cover on the last instar shelf, and can produce fixed gap between the last instar shelf, basically is not affected by the deformation of the shelf. In addition, the support containment structure has the effect of protecting the silkworm under the ring, prevents a small part of silkworms from climbing out of the last instar shelf, so that all silkworms can be oriented to climb to the top surface of the shelf and eat in time.

This utility model belongs to the technical field of telescopic drive shafts, specifically relating to a high-strength telescopic drive shaft. The high-strength telescopic drive shaft includes a first shaft body, with an outer cylinder fixedly connected to the left side of the first shaft body. A connecting groove is formed on the inner wall of the outer cylinder, and an inner cylinder is disposed inside the outer cylinder. A rectangular hole is formed inside the inner cylinder. Through the cooperation of the inner cylinder, rectangular hole, connecting column, trapezoidal block, threaded column, sliding groove, sliding column, trapezoidal groove, first retaining ring, nut, and second retaining ring, when a gap arises between the connecting column and the connecting groove due to wear, rotating the nut increases the distance between the connecting column and the sliding column, compensating for the wear-induced gap. This allows the connecting block and the connecting groove to regain a stable fit, enabling the drive shaft to continue transmitting power stably and effectively reducing the maintenance cost of the drive shaft.

The utility model discloses a positioning device and sewing equipment. The utility model discloses a positioning device, including support cylinder, guide piece, first positioning piece and first drive part. The guide piece is fixedly connected in the outer peripheral wall of support cylinder, and the guide piece is opened with the guide groove in. The first positioning piece includes the positioning portion and the sliding portion who are connected with each other. The first drive part is connected the first positioning piece, and the first drive part is used for driving the first positioning piece movement to make the first positioning piece rotate around the axis of support cylinder. Through connecting the guide piece in the inner peripheral wall of support cylinder, and opening the guide groove that extends along the circumference of support cylinder in it, and letting the sliding portion slide in the guide groove, make the first positioning piece rotate around the outer peripheral wall of support cylinder in the positioning process, improve the fitting degree of positioning device and support cylinder, guarantee the clearance between the first positioning piece and support cylinder to keep stable, avoid the situation that the first positioning piece and support cylinder will be stuck with the hat brim, improve the positioning effect to the hat brim.

The utility model relates to mechanical design technical field discloses a high accuracy balance air conditioner engine crankshaft, including front end spindle neck, the front end spindle neck rear side fixedly connected with first connecting sleeve, first intermediate spindle neck is fixedly connected with first connecting sleeve rear portion, first intermediate spindle neck outside fixedly connected with front balance ring, first intermediate spindle neck left and right sides all fixedly connected with primary crank arm, primary crank arm inside fixedly connected with primary connecting rod axle neck, primary crank arm bottom fixedly connected with primary crank balance weight, the crank balance weight bottom fixedly connected with balance counterweight sliding block, first intermediate spindle neck rear portion fixedly connected with secondary crank assembly, the utility model discloses, this crankshaft passes through multiple spindle neck dispersion load, promotes the alternating complex load capacity, axle neck cover and lubrication structure stable gap, balance weight and adjusting screw optimization dynamic balance, reduce the failure risk greatly.

The utility model belongs to fan technical field, concretely relates to a fan impeller front disc and double -deck stable air inlet device of air inlet, including air inlet and impeller, the front disc of impeller is encased in the outside of air inlet inner end, is equipped with gap between both, is equipped with the reducing section in the inner end place close to air inlet, the side wall section of reducing section is circular arc, its characterized in that the outer side of air inlet inner end encases the cylindrical fairing, and the fairing completely covers reducing section. The utility model has the advantages of reasonable structure, low in cost, the gap size stability between impeller front disc and air inlet. Use the utility model, and the gap between impeller front disc and air inlet is stable and is not affected by the axial installation accuracy of impeller front disc and air inlet, and the assembly difficulty of both is greatly reduced.

The invention discloses an adjustable instant freezer and a using method thereof.The adjustable instant freezer comprises an instant freezer body, a closing door is hinged to the front face of the instant freezer body, the adjustable instant freezer further comprises a locking mechanism, an air blowing mechanism and a containing frame, and the locking mechanism is arranged between the closing position of the instant freezer body and the closing position of the closing door; the air blowing mechanism is arranged in the instant freezer body and is positioned at one end close to the back surface; the containing frame is arranged in the instant freezer body, a plurality of containing pieces are arranged in the middle of the containing frame and arranged in the vertical direction, and a rotating mechanism is arranged between the containing pieces and the containing frame. Through the arrangement of the rotating mechanism, the angle of the containing piece carried on the containing frame can be changed, through the change of the form, objects to be frozen placed in the containing piece can face the air blowing mechanism in an inclined posture after the angle is adjusted, and then food in the containing piece cannot be blocked by blowing; and the food can be frozen more uniformly.

The utility model discloses a waste water treatment filter press, which relates to the technical field of waste water treatment and comprises a rack, symmetrically arranged main beams are arranged on two sides of the rack, a thrust plate is arranged on one side of the rack, a plurality of groups of filter plates and pressing plates are arranged between the main beams, the plurality of groups of filter plates are positioned between the thrust plate and the pressing plates, and a filter chamber is formed between every two adjacent filter plates. One side of the pressing plate is connected with the output end of an oil cylinder arranged on one side of the machine frame, a feeding port is formed in one side of the thrust plate, through holes and filtering protrusions are arranged on the filter plate and located in the filter chamber, and a plurality of flow guide grooves distributed along the through holes in an annular array mode are formed in the surface of the filter plate. The device has the beneficial effects that the slurry filling distribution in the filter chamber is more uniform, and the filter bulges are matched, so that the filter plate deformation is small, the filter plate gap is stable, the capacity of the filter chamber is increased, the weight of a single filter cake is increased, and the filter-pressing working efficiency is improved.

The present invention relates to a high-frequency deflaking machine with a pretreatment function, comprising a machine body, a fixed grinding disc and a rotating grinding disc arranged in the machine body, a pulp inlet pipe and a pulp outlet pipe, wherein the fixed grinding disc is connected to the end of the machine body, the rotating grinding disc is coaxially arranged with the fixed grinding disc, a rotating mechanism is fixedly connected to the center of the rotating grinding disc, the rear side of the rotating grinding disc is connected to a pulp inverted cone pipe, and the pulp inlet pipe is arranged above the rear side of the rotating grinding disc; the small opening of the pulp inverted cone pipe faces the rotating grinding disc side, is connected to the pulp inlet pipe at the top, and is connected to a funnel-shaped heavy slag collecting trough at the bottom, the lower part of the funnel of the heavy slag collecting trough is connected to a slag discharge valve, the heavy slag is separated in advance through the heavy slag collecting trough, and primary deflaking is completed, thereby pre-separating and collecting impurities in fiber bundles (clusters), and timely removing the heavy slag, thereby alleviating the screening requirements of subsequent equipment.

The utility model discloses a shelf for silkworm breeding, which comprises a net plate and a support enclosure frame arranged at the bottom of the shelf, and the support enclosure frame is used for supporting the shelf and enclosing silkworms in the shelf. The supporting enclosure frame comprises a supporting flange used for supporting the shelf, and a supporting enclosure frame is defined by the supporting flange. The shelf is provided with the supporting enclosure frame, the supporting enclosure frame is arranged at the bottom of the shelf and surrounds the shelf by a circle, enough bottom support is provided for the shelf, the shelf can be stably placed on a silkworm basket or covers the shelf of the last age, a fixed gap can be generated between the shelf and the shelf of the last age, and the shelf is basically not influenced by deformation of the shelf. In addition, the supporting enclosure frame has the effect of enclosing and protecting silkworms below the supporting enclosure frame, a small part of silkworm eggs are prevented from climbing out of the shelf of the last age, and all the silkworms can directionally climb to the top of the shelf and eat in time.

The present invention provides a floor drain. The floor drain comprises a floor drain cavity, a cup-shaped inner liner, an inner liner support and a reset mechanism. The inner liner support connects the floor drain cavity and the reset mechanism and cooperates with the reset mechanism to support the cup-shaped inner liner in the floor drain cavity. The floor drain cavity is a drainage channel. The cup-shaped inner liner comprises a cup body and a cup bottom. The bottom of the cup body is provided with a hole. The cup bottom is used as the bottom seal of the floor drain. The cup bottom is linked with the reset mechanism. The reset mechanism drives the floor drain to return from an open state to a closed state. The cup bottom realizes the opening and closing of the floor drain by clutching with the lower end face of the floor drain cavity. The flow area at the outlet of the lower end face of the floor drain cavity is larger than the flow area at the inlet of the annular channel formed by the inner surface of the floor drain cavity and the outer surface of the cup body. Compared with the related art, the floor drain of the present invention can improve the opening stability and flow rate of the floor drain.

The utility model relates to a process cartridge which is detachably mounted in an electronic imaging device, the electronic imaging device is provided with a door cover and a transfer roller, the process cartridge comprises a photosensitive drum and a developing roller, the photosensitive drum is rotatably supported on a drum frame, the developing roller is rotatably supported on a developing frame, the drum frame is provided with a pressure receiving part, and the pressure receiving part is arranged on the developing roller. The pressed part is used for being matched with a pressing part on the door cover, and the pressed part is arranged between the two end parts of the drum frame in the length direction of the drum frame. According to the processing box, the pressed part is arranged between the two end parts of the drum frame along the length direction, so that after the door cover is closed, the pressed part is directly pressed by the pressing part on the door cover, the pressing effect of the electronic imaging device on the processing box is relatively uniform, a stable gap or stable contact can be kept between the photosensitive drum and the transfer printing roller, and the processing box is not easy to damage. Therefore, the state of the processing box is relatively stable, and the imaging effect of the electronic imaging device is relatively good.

The utility model discloses a kind of compressor gear box. Including base, upper box, lower box, bearing module, flow guide body connecting flange, positioning mechanism;The lower box is provided on the base, the lower box is spliced with upper box to form gear box, and bearing module is provided at the splicing of upper box and lower box;Its characterized in that: the bearing module outer periphery is equipped with corresponding positioning mechanism, and the positioning mechanism is connected with corresponding flow guide body connecting flange;The positioning mechanism is concentric with corresponding bearing module, and the flow guide body connecting flange is concentric with corresponding positioning mechanism, and the flow guide body connecting flange includes connecting positioning plate, and connecting positioning plate center is provided with positioning hole, and the inner diameter of positioning hole is same with the inner diameter of corresponding bearing module, and the positioning mechanism is provided with inner mounting hole, and connecting positioning plate is provided with outer mounting hole, and when positioning hole is aligned with bearing module center, inner mounting hole is aligned with outer mounting hole, and the flow guide body connecting flange is fixed on corresponding positioning mechanism.The utility model guarantees the concentricity of flow guide body and impeller.

The invention relates to the technical field of air bearings, and discloses an air bearing device capable of preventing axial movement, the air bearing device comprises an air supply system, a bearing base body and a rotating roller, a permanent magnet pre-tightening structure and an electromagnetic fine tuning structure are embedded on the inner wall of the bearing base body, and the outer surfaces of the permanent magnet pre-tightening structure and the electromagnetic fine tuning structure are coplanar with the inner wall of the bearing base body; the permanent magnet pre-tightening structure at least comprises two sets of permanent magnets arranged at intervals, the electromagnetic fine tuning structure at least comprises two sets of electromagnetic modules, the electromagnetic modules are located on the outer sides of the corresponding permanent magnets and tightly attached to the corresponding permanent magnets, and the magnetic direction of the electromagnetic modules is opposite to that of the permanent magnets. The thrust disc adopts a gas-magnetic division design, prevents axial movement by utilizing magnetic force, adopts a design of taking permanent magnet as a main part and taking electromagnetism as an auxiliary part, is highly integrated, does not need to occupy additional axial space, is more compact in structure, adapts to small and high-speed main shaft scenes, and is controllable in electromagnetic heating defect compared with a traditional thrust disc structure.

The invention discloses a combined dust remover convenient to clean and a use method thereof, the combined dust remover comprises a dust removal main body, the dust removal main body comprises a control handle, the top of the control handle is sequentially provided with a bottom cylinder, a connecting cylinder and a suction port, and the bottom cylinder, the connecting cylinder and the suction port are internally provided with an extraction cavity in a communicating manner; and the treatment unit is arranged in the extraction cavity. The volume of a bottom cylinder and a connecting cylinder relative to a suction port is increased, dust and sundries generated by airflow pressure loss are settled, and fiber bundles in the dust and sundries are disorderly disturbed by rotating, dispersing and stabilizing airflow guide of a conical tip column and a dispersing column and reciprocating rubbing of an inclined shovel ring and a processing ring; therefore, the primary filter screen in the dust removal equipment is prevented from being plugged by the tip of the fiber, and airflow conduction is maintained on the premise that the primary filter screen is easy to clean and self-clean in combination with self-rotation of the primary filter screen and reciprocating scraping and pressing of the hanging and pressing plate.

The utility model discloses a precision mold processing vacuum heat treatment tool which comprises a main body mechanism, the main body mechanism comprises a placing frame, a plurality of H-shaped partition plates embedded in the placing frame, transverse plates symmetrically fixed to the bottom ends of the H-shaped partition plates and sleeves symmetrically fixed to the two sides of the H-shaped partition plates, and the placing frame is used for placing a mold needing vacuum heat treatment; the placing frame comprises two opposite L-shaped side plates, a bottom plate connected with the opposite L-shaped side plates and a cross rod connected with the opposite L-shaped side plates, the two opposite L-shaped side plates, the bottom plate and the cross rod form a frame body, a mold needing to be subjected to heat treatment can be placed in the frame body, the multiple H-shaped partition plates are vertically placed in the placing frame, adjacent molds can be separated, collision between the adjacent molds is avoided, and the heat treatment efficiency is improved. The vacuum heat treatment tool for precision mold machining has the advantages that the mold heat treatment effect is improved, and the practicability is high.

The utility model discloses an LCD and PCB (printed circuit board) limited LCM (liquid crystal module) and an LCD module. The PCB module is positioned on one side of the LCD module; the electronic component is positioned between the LCD module and the PCB module and is mounted on the PCB module; wherein the LCD module is connected with the PCB module through a metal clip PIN; the metal clamp PIN comprises a clamp head and a clamp tail, the clamp head is used for being connected to the corresponding LCD module, and the clamp tail is used for being connected to the PCB module and used for limiting the relative space distance between the LCD module and the PCB module. According to the LCM for limiting the LCD and the PCB provided by the utility model, a pin part of a conventional metal PIN is subjected to limiting design, so that when the pin part penetrates through the PCB module, a limiting effect is achieved through supporting and abutting between the limiting section and the PCB module, and therefore, the stability of a gap between the LCD module and the PCB module is ensured; therefore, the situation that the electronic components on the PCB module are in contact with the LCD module, so that the display has spots or the electronic components are easily damaged by ejection is avoided.

The invention relates to the technical field of tea processing, and discloses efficient rolling equipment for tea processing, which comprises a barrel body, a rolling frame is arranged in the barrel body, a ventilation mechanism is arranged in the barrel body, and the ventilation mechanism comprises a circular inclined plate, a fan, an exhaust pipe, a heating wire, an atomizer, a connecting pipe and a one-way valve; the circular inclined plate is fixedly connected to the inner wall of the barrel body, the fan is fixedly installed at the bottom of the inner wall of the barrel body, one end of the exhaust pipe communicates with the output end of the fan, and the other end of the exhaust pipe communicates with the bottom of the circular inclined plate. Tea leaves can be ventilated by arranging the fan and the exhaust pipe, the situation that the tea leaf dough kneading effect is affected due to excessive heat in the tea leaf rolling process is avoided, the water content of the rolled tea leaves can be controlled by arranging the heating wire and the atomizer, the tea leaves are made to be in the proper water content, and therefore the tea leaf rolling effect is improved.

This utility model relates to the field of vehicle rim mudguard technology, specifically disclosing a vehicle rim mudguard with a supporting structure, comprising: a vehicle rim mudguard body, a fixing plate, and a silicone pad. A Z-shaped bracket is installed inside the lower end of the vehicle rim mudguard body. The fixing plate is fixedly connected to the middle of the lower end of the vehicle rim mudguard body. The silicone pad is disposed on the inner wall of the vehicle rim mudguard body. An arc-shaped diversion groove is provided at the inner end of the silicone pad, and rubber open-ended round tubes are arranged side-by-side on the inner side of the arc-shaped diversion groove. Reinforcing ribs are fixedly connected inside the rubber open-ended round tubes. A reflector for increasing nighttime driving safety is provided at the outer end of the silicone pad. This vehicle rim mudguard with a supporting structure can reduce the impact force on the road surface, evenly distribute the impact force, increase the durability of the mudguard, prevent mud and water from splashing out, reduce splashing on the vehicle body and pedestrians, increase nighttime warning effect, and protect warning lights.

A steam seal block is sleeved with a steam seal sleeve in the steam turbine, the steam seal block is movably connected with the steam seal sleeve through a steam seal spring, a positioning hole used for installing a limiting piece is formed in the steam seal block, one end of the positioning hole in the axial direction is close to the steam seal sleeve, and the other end of the positioning hole is far away from the steam seal sleeve. The limiting piece can move from the first side, close to the rotor, of the steam sealing block to the second side, close to the steam sealing sleeve, of the steam sealing block and abut against the steam sealing sleeve, so that the steam sealing block and the steam sealing sleeve can be relatively fixed in the axial direction of the positioning hole through the limiting piece, and multiple rows of steam sealing blocks and the steam sealing sleeve can be relatively fixed in the axial direction of the positioning hole at the same time. A plurality of rows of steam sealing blocks can be synchronously subjected to clearance measurement, so that the measurement time is saved, and the measurement efficiency is improved; moreover, the steam sealing sleeve and the steam sealing block can be relatively fixed in the axial direction of the positioning hole, so that the stability of the gap between the steam sealing block and the rotor is ensured, the measurement error in gap measurement is reduced, and the measurement accuracy is improved.

An instantaneous electromagnetic tripping system comprises a contact plate provided with a static contact, an armature and a magnet yoke, the armature and the magnet yoke are respectively mounted on the contact plate, the contact plate comprises a top plate, a bottom plate and a side plate, the top plate and the bottom plate are oppositely arranged, the side plate is connected between the top plate and the bottom plate, and a space for mounting the magnet yoke is enclosed among the top plate, the bottom plate and the side plate. An armature and a spring connected between the armature and the top plate are arranged on the side face, away from the magnet yoke, of the top plate, the armature is provided with a rotating shaft part, a swing part and a beating part used for triggering tripping, the contact plate is provided with a positioning structure, and the spring is used for driving the armature to enable the rotating shaft part of the armature to abut against the positioning structure. The magnet yoke is used for attracting the armature to overcome the action of the spring to rotate in the direction close to the top plate, installation of the magnet yoke and the armature is achieved through the contact plate, the structure is simple, cost is low, and installation efficiency is high.

The utility model discloses an improved seed coating machine, which relates to the technical field of seed coating machines, and comprises a mixing barrel, the center of the bottom of the mixing barrel is fixedly connected with a lower supporting seat, the center of the lower supporting seat is rotatably provided with a driving main shaft through a sealing bearing, and the upper end of the outer wall of the driving main shaft is fixedly connected with a mixing main disc. A liquid medicine atomizing disc is fixedly connected to the top of the driving main shaft, an emptying door is arranged on the side wall, corresponding to the upper edge of the mixing main disc, of the mixing barrel, a discharging cover is fixedly connected to the outer wall, corresponding to the emptying door, of the mixing barrel, and a flow guide plate is arranged, so that the stirring efficiency of seeds in the mixing barrel can be improved, and the stirring time is shortened; and by arranging the speed increasing strips, the kinetic energy transmitted to the seeds can be increased while the mixing main disc keeps the same rotating speed, the stirring effect is enhanced, the requirement for the discharging speed is reduced, and the discharging effect is improved.

The utility model relates to the field of scraper chain plate dismounting, and discloses a scraper chain plate dismounting device which comprises a bottom plate, two supporting seats are fixed to the top face of the bottom plate, two mounting blocks are fixed to the top faces of the supporting seats, a conical head is fixed to one side of the mounting block located on the left side, and the conical head is fixed to the other side of the mounting block located on the right side. A mounting hole is formed in one side of the mounting block located on the right side, a hydraulic air cylinder is fixed in the mounting hole, an extrusion head is fixed to the telescopic end of the hydraulic air cylinder, a hydraulic plate is fixed to the top face of the bottom plate, a pressing rod is rotationally connected to the top face of the hydraulic plate through a hinge, and a three-way valve is fixedly connected to one side of the hydraulic plate in a communicating mode; hydraulic oil pipes are fixedly communicated with the two sides of the three-way valve correspondingly, and one ends of the hydraulic oil pipes are fixedly communicated with the hydraulic air cylinders. According to the utility model, the chain plate of the scraper conveyor can be quickly disassembled, the maintenance time is shortened, the operation efficiency is improved, the production cost is reduced, the output value is improved, and the potential safety hazard of hammering is eliminated.

This invention provides an electrode assembly and a battery, relating to the field of electrode assembly technology. The electrode assembly is a wound structure formed by stacking positive and negative electrode sheets and winding them along a winding direction. The electrode assembly includes a straight region and a corner region, with the corner region located at both ends of the straight region. The positive electrode sheet includes a positive electrode starting segment located in the straight region, and the negative electrode sheet includes a negative electrode starting segment extending beyond the positive electrode starting segment in the opposite direction of the winding direction. The negative electrode starting segment extends through the corner region and terminates in the straight region. The projection of the positive electrode starting segment along a direction perpendicular to the straight region at least partially coincides with the projection of the negative electrode starting segment along a direction perpendicular to the straight region. The free end of the negative electrode starting segment shifts to form an approximately triangular shape with the negative electrode sheet, providing support for the corner region and reducing the collapse of the electrode assembly. This can further reduce the slippage of the negative electrode sheet and improve the problem of lithium plating in the corner region.