226results about How to "Guaranteed limit effect" patented technology

The invention relates to the technical field of mechanical workpiece positioning, and discloses a positioning device for grinding machining of a guide post, which comprises a sliding seat, an anti-cutting part arranged at the top of the sliding seat and used for self-adapting to the grinding position change of a grinding wheel to prevent structural wear, and a clamping part mounted on the anti-cutting part and used for clamping the guide post. The clamping part can adapt to the stress degrees of the guide columns under different parameters for effective clamping, an anti-skid piece on a rotating shaft is matched with a second pressure sensor, the clamping effect is determined according to the stress parameters of the guide columns of different sizes and materials, damage to the guide columns due to loose clamping or too tight clamping is avoided, and the service life of the guide columns is prolonged. The anti-disengaging part conducts limiting compensation on the clamped guide column and prevents the guide column from disengaging, the metal disc and the magnetic disc are attracted, the bent piece on the supporting arm makes contact with the end of the guide column, the distance between the bent piece and the guide column can be adjusted by rotating the threaded rod so that the guide column can be matched with different calibers, and the guide column is limited in the grinding process; and the guide pillar is prevented from shaking, loosening or falling off due to grinding wheel pressure and high-speed rotating centrifugal force.

The invention discloses assembly type outer wall hoisting equipment, and relates to the technical field of building construction. The adjusting and adapting mechanism is located above the outer wall body. The number of the positioning mechanisms A is two, and the two positioning mechanisms A are installed at the top of the adjusting and adapting mechanism. The number of the connecting mechanisms is two, and the two connecting mechanisms are installed at the left end and the right end of the adjusting and adapting mechanism. The number of the guiding mechanisms is two, and the two guiding mechanisms are installed on the adjusting and adapting mechanism. The hoisting mechanism is mounted at the top end of the adjusting and adapting mechanism; the number of the positioning mechanisms B is two, and the two positioning mechanisms B are mounted on the front side and the rear side of the hoisting mechanism; a worker can conveniently and properly adjust the positions of the two movable adaptive frames according to the size of the outer wall body; the problems that generally, only walls of the same model can be hoisted, proper adjustment cannot be conducted according to the sizes of the walls, and the universality is low are solved.

The utility model provides an electric gear shifting executing mechanism, which relates to the field of gear shifting executing mechanisms, and adopts the technical scheme that the electric gear shifting executing mechanism comprises a driving motor, the driving motor can drive a shifting fork to linearly move, a shifting fork shaft is arranged at the upper end of the shifting fork, and the shifting fork can drive the shifting fork shaft to move. A plurality of locking holes are formed in the outer circumference of the shifting fork shaft, the locking holes are arranged in the axial direction of the shifting fork shaft, the locking holes correspond to corresponding gears, the positioning assembly comprises a shell, the end of the shifting fork shaft is arranged in the shell in an axial moving mode, a spring pin is arranged in the shell, and the spring pin is arranged in the shell. And the spring pin can extend into the locking hole. The utility model has the advantages of simple structure and higher reliability.

The invention relates to the technical field of door outer ring machining, and provides a welt limiting tool for door outer ring assembling, which comprises a workbench, and a square groove is formed in the top of the workbench. According to the device, a motor is controlled to be started through a controller, two clamping plates can oppositely move along the outer surface of a two-way lead screw, an outer door ring is clamped and fixed, a piston rod is synchronously pushed and extruded through a push plate, gas in a hollow cylinder enters a compression cavity of a pneumatic telescopic rod through a connecting pipe, the pneumatic telescopic rod stretches, and the outer door ring is clamped and fixed; the gear can drive the rotating rod, the L-shaped clamping block and the second elastic rubber pad to rotate, the second elastic rubber pad makes contact with the outer door ring and is compressed to a certain degree, the outer door ring abuts against the L-shaped plate, in this way, the clamping and fixing stability of the outer door ring can be improved, the situation that the outer door ring slides and deviates in the assembling and machining process is prevented, and the service life of the outer door ring is prolonged. Therefore, the welt assembly effect of parts of the door outer ring is ensured.

The invention provides an anti-theft door welding machine capable of achieving uniform heating, and relates to the technical field of welding devices, heating plates can be combined to heat the two sides of an anti-theft door at the same time, the follow-up welding efficiency is improved, bases of the heating plates serve as rotating base points, the heating plate on one side is rotated to be in a horizontal state and then supported by a supporting plate at the bottom, and the welding efficiency is improved. The heating plate at the upper end is opened to be in a vertical state, the top surface of the anti-theft door corresponds to the welding device on the portal frame, one side face of the anti-theft door is welded, then the two heating plates are turned over to replace the positions, the surface of the other side of the anti-theft door faces upwards, and the welding device conducts welding machining on the surface of the other side of the anti-theft door; before machining, the two faces of the anti-theft door are heated at the same time, then the heating plate on one side serves as a supporting base, the anti-theft door is flatly placed and then welded, the two faces of the anti-theft door can be continuously welded after being heated, the machining efficiency is improved, and it is guaranteed that heating is uniform.

The utility model discloses an air supply device for coal mine underground tunneling, which relates to the technical field of underground air supply and comprises an air duct, a motor is mounted in the air duct, the output end of the motor is connected with a hub, blades are distributed on the outer side of the hub at equal intervals, one sides, close to each other, of the blades are respectively connected with an inserting rod, and the inserting rods are connected with the air duct. Containing grooves are formed in the hub at equal intervals. By arranging the inserting rods and the limiting blocks, in the using process, the blades and the hub can be disassembled and assembled through mutual matching of the inserting rods and the limiting blocks, so that when a single blade is damaged, a plurality of blades do not need to be replaced together with the hub, waste of resources can be effectively reduced, and the service life of the blades is prolonged. And a connecting ring and a clamping rod are arranged, when the two sets of limiting blocks are clamped in the inserting rod, through the arrangement of the clamping rod, limiting of the rotating shaft can be achieved, and the situation that the rotating shaft is subjected to centrifugal force or impact force of the rotating shaft and foreign objects, and displacement is generated is effectively prevented.

The utility model discloses a fixing device of a high-precision metal film box sensor, which comprises an upper plate and a lower plate, the upper plate and the lower plate are connected through a balance mechanism, a sensor is detachably arranged in an interlayer between the upper plate and the lower plate, an elastic body is arranged in the sensor, a limiting mechanism is arranged at the bottom of the lower plate, and the elastic body is arranged in the limiting mechanism. A base is fixedly installed on the edge of the bottom of the lower plate, and the balance mechanism comprises a fixing block. By arranging the rotating shaft, the supporting rod and the connecting rod, when a weighed object is placed on the top of the upper plate for weighing, if the gravity center of the weighed object deviates from the center of the upper plate and the acting force of the weighed object on the elastic body is not aligned with the center line of the elastic body, the connecting rod is pressed to drive the supporting rod and the rotating shaft to rotate; therefore, the upper plate can be always kept in a horizontal state by the four groups of balance mechanisms, and lateral force cannot be generated on the elastic body, so that the measuring precision is improved, and the measuring device has the advantage of being capable of improving the measuring precision.

The utility model relates to the field of mini-computer hosts and discloses a hanging mini-computer host which comprises a host body and two fixing buckles, a plurality of connecting ports are formed in one end of the host body, connecting frames are connected to the inner walls of the fixing buckles in a clamped mode, and the size specification of the surfaces of the connecting frames is matched with the size specification of the inner walls of the fixing buckles. Two bonding plates are fixedly mounted at one end of the connecting frame, the two bonding plates are symmetrically distributed with the connecting frame as the axis, and a fixing frame is fixedly connected to the bottom end of the connecting frame; the two fixing buckles are installed at one end of the machine body, the inner walls of the fixing buckles are connected with the connecting frames in a clamped mode, and one ends of the connecting frames are bonded to the wall surface or the surfaces of other objects through the bonding plates, so that the machine body is conveniently installed on the wall surface or the surfaces of the other objects, the situation that the machine body is pulled by a wire body, and consequently the machine body deviates is avoided, and the service life of the machine body is prolonged. And the machine body can be disassembled by separating the fixing buckle from the connecting frame, so that the machine body is more convenient to overhaul.

The utility model provides a lathe fixture, which relates to the technical field of tool fixtures and comprises a disc. The disc is connected with a lathe, a fixed seat, a vertical seat and a top seat are installed outside the disc, and two movable inclined blocks are connected to the top of the fixed seat and are symmetrical. A two-way screw rod is mounted in the fixed seat, the two-way screw rod is connected with two movable inclined blocks, and the tops of the movable inclined blocks are connected with a movable seat; two clamping seats are mounted at the top of the movable seat, the two clamping seats are symmetrical, and bolts are connected into the clamping seats; the bottom of the top base is fixedly connected with a cylinder, and the end of a piston rod of the cylinder is connected with a clamping block. The two-way screw can be rotated according to the specification of the bearing seat needing to be machined, the movable inclined block is driven by the two-way screw to move, the movable inclined block drives the movable seat to move up and down, the height of the bearing seat is changed, the inner hole machining part of the bearing seat can be moved to the center of the disc, and the inner hole machining requirements of bearing seats of different specifications are better met. And the universality is high.

The utility model relates to the technical field of heat insulation materials, and discloses a uniformly stressed composite device which comprises a base, sliding grooves are respectively formed in the periphery of the top of the base, sliding blocks are respectively connected to the two sides of the inner walls of the two sliding grooves in a sliding mode, and by sliding the positions of the sliding blocks in the sliding grooves, the composite device can be uniformly stressed. The positions of the sliding rods are adjusted to conveniently cope with plates of different sizes, the sliding rods are slidably connected to the inner walls of the through grooves so that the sliding rods can abut against the plates conveniently, the sliding rods are limited by screwing locking rotary knobs, the plates can be conveniently fixed for machining, and the situation that the machining quality is affected due to displacement during machining is avoided; two connecting blocks and four second hinge blocks are arranged at the end, abutting against the plate, of a sliding rod to form a hexagonal frame, and the hexagonal frame abuts against the plate, so that the hexagonal frame can be compressed along with the plate, and meanwhile the limiting effect can be kept.

The utility model relates to the technical field of numerical control tools, and discloses a numerical control tool anti-adhesion device which comprises an installation plate fixedly installed in a clamp, the side face of the installation plate is fixedly connected with a clamping plate used for limiting, the upper end of the clamping plate is connected with a conveying pipe used for circulation in an inserted mode, and the lower end of the conveying pipe is fixedly provided with an atomization nozzle used for spraying. And a cooling liquid pipe for conveying is inserted into the upper end of the conveying pipe. According to the anti-adhesion device for the numerical control tool, through cooperative arrangement of a clamping plate, a conveying pipe, an atomizing spray head and a cooling liquid pipe, when the numerical control tool cuts materials, cooling liquid can be sprayed through the atomizing spray head, and the numerical control tool and a workpiece are cooled, so that the phenomena of thermal deformation and adhesion are reduced, and the service life of the numerical control tool is prolonged. And meanwhile, through a clamping plate, the conveying pipe can be limited, and it is guaranteed that cooling liquid is conveyed more stably.

The application discloses an automatic overline pay-off trolley and relates to the technical field of cable overhead installation. The automatic overline pay-off trolley comprises a frame body arranged on a pay-off trolley body, a plurality of pulleys rotatably connected to the frame body, two groups of protection mechanisms arranged on the two sides of the pulleys and fixed to the side walls of the frame body, and can protect the pulleys when a walking plate is pulled by a traction rope and a cable passes through the pulleys. Each group of the protection mechanisms comprises a mounting frame fixed to the side wall of the frame body through a connecting frame. The automatic overline pay-off trolley can avoid the impact of the walking plate on the pulleys, and can make the walking plate pass above the pulleys without contacting the pulleys, so that the pulleys are protected, the service effect and the service life are ensured, and after the cable is conveyed on the pulleys, the cable on the pulleys is limited, so that the cable is prevented from deviating or even separating from the pulleys, and the service effect is ensured.

The utility model provides an air conditioner, relates to the technical field of air conditioners, the air conditioner comprises a first shell, a second shell, a lock plate and a fixing piece, the first shell and the second shell are mutually spliced along the vertical direction to form a containing cavity, one end of the lock plate is hinged to the first shell, the other end of the lock plate is jointed to the second shell, and the fixing piece is arranged in the containing cavity. The locking plate is used for locking the movable part located in the containing cavity, the fixing piece is assembled on the locking plate, a first mounting hole is further formed in the second shell, and the fixing piece is correspondingly assembled in the first mounting hole. Compared with the prior art, the limiting of the movable part is realized by utilizing the lock plate, and one end of the lock plate adopts a hinged structure, so that the position of the movable part can be conveniently adjusted by only disassembling the fixed part and then rotating the lock plate during disassembly, and in the same way, only the fixed part needs to be assembled during installation, so that the movable part is very convenient to use; and the dismounting and mounting convenience is greatly improved, and the dismounting and mounting efficiency is improved.

The utility model discloses a kind of cleaning devices of swimming pool filter element. Including fixed base, movable base, first receiving tray, second receiving tray, shaft and pipe clamp, fixed base is connected with the bottom of shaft and forms fixed connection, bearing is set in the center of first receiving tray and second receiving tray, receiving platform is set on the end face of first receiving tray and second receiving tray, pipe clamp is set on shaft and is used to form locking between shaft, the periphery of fixed base and movable base is provided with at least three outwardly extending support leg. The utility model relies on first receiving tray, second receiving tray is connected to the receiving of filter element, let filter element can rotate freely on shaft, in combination with the rotation of filter element driven by the injection of spray gun, personnel is not needed to push, so that filter element can rotate while washing, it is time-saving and labor-saving to clean up;Meanwhile, the setting of the support leg of fixed base and movable base can maintain the stable requirement under rotating state.

The utility model discloses a non-intrusive pressure sensor adaptive to hoses of different sizes, which belongs to the technical field of non-intrusive pressure sensors and comprises a lower mounting ring, positioning bolts are symmetrically arranged in the lower mounting ring, an upper mounting ring is arranged at the upper end of the lower mounting ring, a hose groove is arranged in the upper mounting ring, and the hose groove and the positioning bolts are arranged in the hose groove. Notches are symmetrically formed in the two ends of the hose groove, a to-be-tested hose is arranged in the hose groove, a hose containing assembly is arranged on one side of the inner wall of the hose groove, a sensor mounting groove is formed in the upper end of the middle of the hose groove, and a positioning mounting assembly is arranged on one side of the sensor mounting groove. A non-intrusive pressure sensor body is arranged in the sensor mounting groove; according to the utility model, through the arrangement of the hose placing assembly, to-be-tested hoses with different calibers can be conveniently and stably placed and positioned, the to-be-tested hoses are prevented from shaking and loosening during use, and the use stability of the equipment is ensured.

The utility model relates to a box bottom cable moistureproof threading connection structure of a distribution box, comprising a distribution box body, the bottom of the distribution box body is provided with two wire inlets which are symmetrically distributed left and right, the distribution box body is internally provided with four moistureproof assemblies, every two of the four moistureproof assemblies are in one group, and the other two of the four moistureproof assemblies are in one group. The moisture-proof assemblies are symmetrically distributed up and down, each group of moisture-proof assemblies is mounted through a wire inlet, each moisture-proof assembly comprises a mounting base and a sealing ring, a cable enters the distribution box body through the interior of the mounting base, and after the cable is connected with an electrical element in the distribution box body, gas is injected into the cavity through the gas nozzle, so that the electrical element in the distribution box body is sealed. The sealing ring is tightly attached to the gap between the cable and the mounting base after expansion, so that a physical barrier is formed, moisture is effectively prevented from entering the box body, and cable insulation layer aging, metal part corrosion or short circuit faults caused by the moisture are avoided.

The present invention discloses a key control device, and relates to the field of key control technology. The spring bracket in the key control device includes a first frame and a second frame. The first frame and the second frame together form a limiting cavity, and the limiting cavity is used for a spring to pass through and to limit the spring. Compared with the prior art, the spring bracket provided by the present invention uses the first frame and the second frame that together form the limiting cavity, so that the production efficiency can be improved while ensuring the limiting effect, and the installation is convenient, and the displacement range of the spring can be reduced to avoid the lateral displacement of the spring, so as to make the control sensitivity high.

The invention discloses a pallet stacker with improved stability, relates to the technical field of pallet stacking auxiliary equipment, and aims to solve the technical problem that it is difficult for airport staff to stack pallets neatly when stacking pallets, and the pallets at high places may be in danger of falling once subjected to external force; the key points of the technical solution are a pallet stacker with improved stability, comprising a bottom plate, a front end frame and a plurality of support frames, the front end frame is arranged at one end in the length direction of the bottom, and the support frames are respectively arranged at two ends in the width direction of the bottom; a first fixed pin is horizontally inserted through the support frame, one end of the first fixed pin is threadedly connected with a first fixed nut, a flush rod is rotatably connected to the support frame, a flush tube is penetrated through the flush rod, and the flush tube is sleeved on the first fixed pin; a limiting round rod is arranged on the support frame away from the bottom plate, so as to reduce the danger of pallets at high places falling due to the disorderly stacking of the pallets.

The utility model discloses an execution pin structure for preventing jumping failure of a valve bridge, the valve bridge and an engine, and relates to the technical field of engines, the execution pin structure comprises an execution pin and a limiting piece, the execution pin is installed on the valve bridge and located below a brake rocker arm, and a limiting hole is formed in the side face of the execution pin; the limiting piece is arranged in the limiting hole and extends outwards, when the valve bridge jumps upwards, the execution pin makes contact with the brake rocker arm, the limiting piece makes contact with the valve bridge to play a limiting role, and the valve bridge is prevented from disengaging and losing efficacy.

The invention relates to the technical field of marine valve sealing detection, in particular to marine valve production detection equipment which comprises a main frame and a first electric control conveying belt mounted on the main frame. According to the production detection equipment applied to the marine valve, by adopting a full-automatic detection mode, the occurrence of wrong detection and missing detection conditions caused by manual detection is avoided; an electric control rotation mode is adopted, and two-way adjustment can be performed on valves with different detection results, so that the aim of automatically screening materials is fulfilled, and the detection efficiency is greatly improved; two second strip-shaped conveying belts which operate independently are adopted to form a second electric control conveying belt, the angle of the valve can be transversely adjusted, open holes or connecting pipes on the two sides of the valve can be right opposite, and the outer side opening of the valve is extruded and sealed through an electric control telescopic detection cover and an overhead detection cover shell on the two sides; therefore, the valve in an assembly state is simulated, and the internal sealing performance of the valve can be detected.

The utility model discloses a lifting transmission mechanism for air conditioner controller assembly, which comprises a mounting bin, a mounting rack and a base, one end of the base is provided with a fixing plate, the inner side of the fixing plate is provided with a second sliding assembly, and one end of the second sliding assembly far away from the fixing plate is slidably provided with a lifting support plate. A mounting frame is mounted at the top of the lifting supporting plate, a conveying belt is mounted in the mounting frame, and a mounting bin is mounted at the end, away from the fixing plate, of the mounting frame. The conveyor belt lifting device is provided with the lifting supporting plate, the first threaded rod, the supporting rod, the first threaded pipe and the second sliding assembly, when the conveyor belt lifting device is used, the first threaded rod can be rotated clockwise or anticlockwise, so that the first threaded pipe moves through threads, the supporting rod is stressed to push or pull the lifting supporting plate to move, and the conveyor belt can be lifted to different heights; and the air conditioner controller part can be lifted and conveyed to a specified height position according to requirements.

The utility model relates to the technical field of oil extraction equipment, in particular to a novel underground oil pipe heating device which comprises a sleeve sleeved on the outer side of an oil pipe, a heating coil is arranged in the sleeve, the heating coil is sleeved on the outer side of the oil pipe, the sleeve is as long as the oil pipe, and an internal thread is arranged at one end of the sleeve. Internal threads are arranged at one end of the sleeve, external threads are arranged at the other end of the sleeve, the internal threads are matched with the external threads, limiting holes are formed in the side wall of the sleeve in the direction perpendicular to the axis, the limiting holes are evenly distributed in the axial direction, limiting pieces are arranged in the limiting holes, and the limiting pieces penetrate into the limiting holes and can be blocked at the joint of an oil pipe and an oil pipe coupling. Compared with the prior art, when parts such as the heating coil or the sleeve in the technical scheme need to be disassembled and replaced, the sleeve can be pulled out from one end of the oil pipe only by taking the limiting piece out of the limiting hole, disassembly and maintenance are convenient, and the maintenance efficiency is improved.

The invention relates to the technical field of underwater engineering construction, in particular to a workboat for underwater bridge pier construction and a using method thereof.The workboat comprises a boat body, a rotating platform is arranged on a deck of the boat body, a winch and a pile frame are arranged on the rotating platform, a twisted rope on the winch bypasses the upper end of the pile frame, and a pile hammer is fixedly connected to the end of the twisted rope; a pile hammer is arranged on the rotating platform, a sheet pile is clamped on the pile hammer, a translation adjusting mechanism is further arranged on the rotating platform, a rotating adjusting mechanism is arranged on the translation adjusting mechanism, and a first limiting mechanism and a second limiting mechanism are arranged on the rotating adjusting mechanism. According to the device, through arrangement of the first limiting assembly and the second limiting assembly, when the driven plate is pressed downwards by the sheet pile, the driven assembly can drive the first limiting cylinder and the second limiting cylinder to move towards the sheet pile, movement of the sheet pile is limited, and the sheet pile can be conveniently aligned to the mounting position.

The power and free track limiter is provided with a limiter body, an upper limiting device and a lower assembling part are arranged on the limiter body, a middle plate is arranged between the upper limiting device and the lower assembling part, the upper limiting device is welded to the middle plate, the upper limiting device is an upper limiting groove, and the lower limiting device is a lower limiting groove. A limiting part is arranged in the upper limiting groove, a transfer part on the track can be limited by means of a limiting clamping block in the upper limiting groove in the limiter, the limiter can be directly clamped on the track, and therefore limiting can be well carried out, and the limiting effect is further guaranteed. The transfer component on the track can be prevented from shaking and displacing greatly, and the transfer component can be better stabilized on the track.

The utility model provides a packing device for plastic-coated wires, which belongs to the technical field of plastic-coated wire packing and comprises an operation table plate, driving guide rails are arranged on the front side and the rear side of the right side of the top of the operation table plate, and limiting channels are arranged on the front side and the rear side of an inner cavity of each driving guide rail. According to the utility model, the plastic-coated wires can be effectively limited by driving the limiting mechanism when the plastic-coated wires are moved to the packaging notch, automatic fine adjustment can be carried out through the limiting adjusting rod arranged on the inner side of the limiter according to the plastic-coated wires with different sizes, and after one side of the plastic-coated wires is packaged, the plastic-coated wires can be effectively limited by the limiting adjusting rod. According to the plastic-coated wire packaging device, the rotating shaft can be driven to rotate when being attached to the surface of a plastic-coated wire, the plastic-coated wire can be driven to rotate through rotation, and therefore the position can be automatically adjusted for packaging in the packaging process, the overall efficiency is effectively improved, meanwhile, the limiting effect on the plastic-coated wire can be guaranteed, displacement is avoided, and it is guaranteed that the packaging fastening degree is consistent.

The utility model belongs to the technical field of cloth bag drawing machines, and particularly relates to a handheld cloth bag drawing machine which comprises a base, a support is fixedly connected to the upper end of the base, a fixing cylinder is fixedly connected to the upper end of the support, and a servo motor is fixedly installed on the right side wall of the inner side of the fixing cylinder. The outer side of an output shaft of the servo motor is fixedly sleeved with a rotating column, a limiting ring groove is formed in the surface of the rotating column, a guide plate is slidably connected into the fixing cylinder, and a limiting ball is fixedly connected to the end face of the side, close to the rotating column, of the guide plate. According to the scheme, the servo motor drives the output shaft to rotate, the clamping rods can be driven to rotate, then one-time operation of drawing and winding is conducted on a cloth bag of the dust remover, under the action of structures such as a limiting ring groove, a limiting ball and an elastic piece, rotation limiting can be conducted on a rotating column, then the output shaft of the servo motor is limited, and therefore the cloth bag can be conveniently taken out and wound. And the problem of shaking of the overlong output shaft is avoided.

The utility model relates to the technical field of monocrystalline silicon weighing, and discloses a monocrystalline silicon round rod weight detection device comprising a pedestal; a weighing platform; the two limiting structures are symmetrically arranged at the top of the weighing table and used for limiting silicon rods, each limiting structure comprises side plates and carrier rollers, the side plates are movably connected with the weighing table, screw rods are arranged on the wall faces of the weighing table to drive the two side plates to be close to each other, and the wall faces, close to each other, of the two side plates are rotationally connected with the multiple same carrier rollers. The two side plates are driven by the lead screw to get close to each other, the distance between the carrier rollers on the wall faces of the two side plates is adjusted, the limiting effect on the silicon rods can be guaranteed, meanwhile, the silicon rods can be adapted to a certain range, rubber sleeves on the surfaces of the carrier rollers can protect the surfaces of the silicon rods, and when the silicon rods move along the side plates, the silicon rods can be prevented from being damaged by the inclined carrier rollers. And the carrier roller is pushed to rotate, then the rotating carrier roller can clean the surface of the silicon rod, and the limiting and cleaning dual effects are achieved.

The utility model belongs to the technical field of kitchen appliances, and discloses a pressure cooking utensil which comprises a heat preservation cover, a heating disc arranged in the heat preservation cover and an elastic piece located between the heat preservation cover and the heating disc, the elastic piece is provided with a positioning hole, the heating disc is provided with a positioning column, and the positioning column comprises a body penetrating through the positioning hole and a contact part. And when the elastic sheet is pressed to deform, the contact part is in linear contact with the elastic sheet. According to the pressure cooking utensil, uniform stress is generated when the elastic piece is stressed, the service life of the elastic piece is prolonged, the fatigue resistance of the elastic piece is guaranteed, then the service life of the pressure cooking utensil is prolonged, and the use experience of a user is improved; the deformed elastic sheet is in linear contact with the contact part, so that the contact area of the elastic sheet and the contact part is increased, the pressure between the elastic sheet and the contact part is reduced, the abrasion to the contact part is reduced, the stress position of the elastic sheet is kept unchanged, the stability of the elastic sheet is improved, and the service life of the elastic sheet is prolonged.

This utility model discloses a partition frame structure for interior design, relating to the technical field of partition frame structures. It includes: a frame; a central placement frame located in the middle of the inner side of the frame; multiple connecting plates, each connecting plate having one end connected to the circumference of the central placement frame and the other end connected to the frame, and the connecting plates include vertically and horizontally arranged connecting plates; a support cylinder placed on the inner bottom wall of the central placement frame; and a pair of connecting brackets fixed to the top sides of the support cylinder, each connecting bracket extending beyond the top wall of the central placement frame and located above the connecting plates. This utility model achieves automatic initial positioning of plant pots during placement through the linkage structure of the support cylinder, connecting brackets, and sleeves. When the support cylinder sinks due to load, it causes the connecting brackets and sleeves to move downwards synchronously, allowing the sleeves to automatically engage with the plant pots on the lower connecting plate, effectively preventing them from tipping over, especially resisting shaking caused by pet collisions.