266results about How to "Prevent popup" patented technology

The utility model discloses a hidden lock. The hidden lock comprises a shell, a locking mechanism, an elastic piece, a lock hook and a blocking piece. An opening communicated with the accommodating cavity is formed in the outer surface of the shell; the locking mechanism, the elastic piece, the lock hook and the blocking piece are installed in the containing cavity. The lock hook comprises a first locking structure and a second locking structure and is in transmission connection with the elastic piece, and the lock hook stretches out or retracts at the opening; the blocking piece is used for limiting the sliding state of the lock hook so that the lock hook can be sequentially switched to be in a hidden state, a locking state and an opening state. When the locking mechanism acts on the first locking structure, the lock hook is in a hidden state; the locking mechanism releases limitation on the first locking structure, the elastic piece drives the lock hook to stretch out of the opening, the blocking piece limits the sliding state of the lock hook so that the locking mechanism can act on the second locking structure, and when the locking mechanism acts on the second locking structure, the lock hook is in the locking state. The occupied space is reduced.

The invention discloses a corn seed fine selection device and method, and belongs to the technical field of screening equipment, the corn seed fine selection device comprises a supporting frame, a swing seat, a screen mesh assembly and an adjusting assembly, the supporting frame is located above the swing seat, and the screen mesh assembly is located in the supporting frame; the screen assembly sequentially comprises a first screen tray, a second screen tray, a third screen tray and a bottom tray from top to bottom, the first screen tray, the second screen tray and the third screen tray are connected in an inserted mode to form screen holes with different hole diameters, and rotating shafts and discharging pipes are arranged on the left sides and the right sides of the first screen tray, the second screen tray, the third screen tray and the bottom tray correspondingly. The second sieve tray, the third sieve tray and the base plate are clamped by an upper group of adjusting nuts and a lower group of adjusting nuts and then move up and down along the direction of the screw rod; and the second sieve tray and the third sieve tray are turned over through the rotating shaft and the discharging pipe. According to different varieties of corn seeds, the screen mesh assemblies are combined to form corresponding screen holes, the screening efficiency is improved, and meanwhile the screen mesh assemblies can be adjusted to form multi-stage screening of multiple screen trays.

The utility model relates to the technical field of ore processing equipment, in particular to a roller mill for ore crushing, which comprises a crushing box and a crushing mechanism, a screening mechanism is arranged at the bottom end in the crushing box, the crushing mechanism is positioned above the screening mechanism, and the crushing mechanism comprises a crushing component and an adjusting component. The ore crushing device has the beneficial effects that ores are uniformly crushed through the crushing assembly, then different crushing intervals are adjusted through the adjusting assembly, the ores with different sizes are crushed in an all-around mode, when the ores with large sizes are crushed, the crushing pressure of the ores is increased, meanwhile, the upper ends of the ores are pressed, the ores are prevented from shaking and popping out, and the crushing efficiency is improved. And therefore, the pressing force of the ore is increased, the contact area of ore crushing is increased, and the crushing effect of the ore is improved.

The utility model discloses a shearing structure capable of solving the problem of hair winding of a cyclone filter device, which comprises the cyclone filter device provided with a filter screen; one end of the dust cup is connected to the cyclone filter device, and the filter screen is located in the dust cup; the cutting part is connected with the outer surface of the filter screen, the cutting part is connected to the dust cup, and when the dust cup and the cyclone filter device are separated and drawn out, the cutting part cuts off hair wound on the filter screen. Compared with the prior art, the dust cup is provided with the cutting part, when the dust cup is detached, the dust cup and the cyclone filtering device are in a relative motion state, the cutting part can cut off hair wound on the cyclone filtering device, the cyclone filtering device does not need to be detached, more convenience is achieved, and the use experience of a user is improved.

The present invention belongs to the field of automatic medicine vending machine equipment, and relates to a medicine vending machine cargo channel delivery mechanism, cargo channel and its delivery method, including: a housing, which is movably provided with a gate; a first push-pull electromagnet, which is connected to the gate through a transmission member, and opens or closes the medicine vending machine cargo channel through the gate; and a blocking member, which is arranged behind the gate and hinged in the housing at one end, and the top of the blocking member is provided with a deceleration slope, a second push-pull electromagnet, which is connected to the blocking member so that the blocking member pops up or retracts with the second push-pull electromagnet, the medicine vending machine cargo channel is provided with the delivery mechanism, and the cargo channel includes delivery, blocking, and stacking of goods. It can avoid the situation that lighter goods cannot hit the gate and become stuck, and at the same time avoid the rebound too fast or too strong to bounce the goods out of the medicine vending machine cargo channel, and also solve the problem that the slope is too steep due to the large inclination angle of the medicine vending machine cargo channel, which easily flushes the goods out of the medicine vending machine cargo channel.

The invention relates to the technical field of circuit breakers, in particular to a circuit breaker for electric power engineering, which comprises a shell, a first elastic conducting strip, a second elastic conducting strip and the like, a fixing structure is arranged on the lower portion of the shell, and a disconnecting structure is arranged in the shell. A first elastic conducting strip is connected in the shell; the first elastic conducting strip is fixedly connected with a second elastic conducting strip, and the first elastic conducting strip is connected with a disconnection structure in the shell. When a power line or equipment breaks down, a shifting ring rotates clockwise, a pull rope pulls a movable cylinder, a pressing rod, a limiting frame and a first elastic conducting strip to move rightwards, meanwhile, the limiting frame moves away from the upper portion of a push plate, and under the action of a spring in a compressed state, the push plate moves upwards to push an input wire and push the input wire out of a shell; and remote from the first elastic conductive sheet and the second elastic conductive sheet, electric arcs are prevented from being generated between the input wire and the first elastic conductive sheet and the second elastic conductive sheet in high-current applications.

The invention discloses steel strand pushing equipment with pulling and strand pulling functions, and belongs to the field of prestress construction, the steel strand pushing equipment comprises a pulling and strand pulling composite unit and further comprises a moving unit, the moving unit comprises a longitudinal moving mechanism, the longitudinal moving mechanism comprises a longitudinal moving frame and a transverse moving mechanism, and the transverse moving mechanism comprises a transverse moving frame and a transverse moving frame. The transverse moving mechanism comprises a transverse moving frame, transverse moving rollers and a transverse moving oil cylinder; the pulling and strand penetrating composite unit comprises a supporting frame, the supporting frame comprises a fixed beam and a movable beam, a supporting shaft is connected into the fixed beam and the movable beam in a penetrating mode at the same time, the fixed beam and the supporting shaft are fixedly connected with the transverse moving frame, the movable beam is perpendicularly connected with a clamping oil cylinder, and the clamping oil cylinder is connected with a clamping rod. The other end of the clamping oil cylinder is fixedly connected with the transverse moving frame; by means of the oppositely-arranged clamping blocks, pulling of a pulling pipe is achieved, meanwhile, pushing of a steel strand bundle is achieved, and the requirements of two kinds of work of pulling the pipe and pulling the bundle are met.

The invention discloses a network server, which relates to the technical field of network servers and comprises a host, wherein a heat dissipation device comprises a loading plate, a driving motor, a fan blade, a sliding rod, a card plate, an L-shaped rod, a bending piece and a supporting plate, wherein the loading plate slides through the inner and outer walls of the host, the driving motor is fixedly mounted on the surface of the loading plate close to the host, the fan blade is fixedly mounted on the output end of the driving motor, the sliding rod slides through the inner and outer walls of the loading plate, the card plate is fixedly mounted on the circumferential surface of the sliding rod, the L-shaped rod is slidably mounted on the surface of the loading plate away from the host, the bending piece is fixedly mounted on the circumferential surface of the sliding rod, and the supporting plate is fixedly mounted on the surface of the bending piece away from the sliding rod, and a thrust is applied to the supporting plate by the elastic bending piece, so that the loading plate and the host are more closely fitted, thereby reducing the vibration of the fan blades when working that affects the fitting of the loading plate and the host.

The utility model discloses an automatic gasket stamping device which comprises a machining platform, a U-shaped support is installed on the machining platform, an outer annular cutter is arranged above the machining platform, a stamping air cylinder is installed on the U-shaped support, a fixing through hole is formed in the center of the top of the outer annular cutter, a telescopic air cylinder is installed on the fixing support, and the telescopic air cylinder is connected with the outer annular cutter. An inner annular cutter is installed at the telescopic end of the telescopic air cylinder, a fixed circular ring is installed on the inner wall of the outer annular cutter, a sliding circular ring is slidably connected into the outer annular cutter, a plurality of telescopic springs are installed between the sliding circular ring and the fixed circular ring, and a sliding circular plate is slidably connected into the inner annular cutter. And a connecting spring is arranged in the inner annular cutter. The stamping die has the advantages that a rubber plate can be directly cut into a gasket, secondary machining is not needed, work efficiency is improved, materials can be tightly pressed in the stamping process, the stamping effect is improved, and the precision of the stamping position is improved.

The utility model discloses a face scanning payment terminal which comprises a fixed cylinder, a bottom plate is welded on the inner side wall of the fixed cylinder, a wave crest groove, a rotating plate, a spring, a payment machine body, a matching column and a face recognition camera are arranged, the spring pushes the rotating plate upwards when the face scanning payment terminal is used, and the matching column outside the payment machine body is matched with the wave crest groove. The payment machine body ascends, then code scanning is conducted through the code scanning window, facial recognition payment is conducted through the facial recognition camera, convenient payment is achieved, the fingerprint recognition module and the power module are arranged, and the power module can be controlled by pressing the fingerprint recognition module to conduct overall power supply of the device during use. The payment machine can realize quick and convenient payment, and is provided with the mounting seat, the top cover, the rotating groove, the sliding column, the sliding block and the clamping plate, the top cover can be rotated during use, and the sliding block drives the clamping plate to move towards the center to limit the payment machine main body through the matching of the rotating groove and the sliding column, so that the payment machine main body is prevented from popping up.

The utility model relates to the technical field of positioning screws and discloses a fine adjustment positioning screw which comprises a screw body, the screw body comprises a screw head, a screw rod and a connecting block, the screw rod is arranged on the lower surface of the screw head, the connecting block is arranged at the end, away from the screw head, of the screw rod, and an installation groove and a limiting groove are formed in the upper surface of the screw head. One end of the mounting groove penetrates through the screw head and extends into the screw rod, an adjusting structure is mounted in the mounting groove, the two limiting grooves are fixed and are symmetrically arranged, the adjusting structure comprises a spring, a supporting block and a connecting rod, the spring is mounted on the lower surface of the supporting block, and the other end of the spring is mounted at the inner bottom of the mounting groove; and two mounting openings are formed in the upper surface of the supporting block and are symmetrically arranged, and pin rods are mounted in the mounting openings. The spring, the supporting block and the connecting rod are used in cooperation, a screw can be screwed by hand without the help of a screwdriver, and use is convenient and fast.

The utility model discloses a one-supporting-two stirring device for refractory material production, which relates to the technical field of refractory material production, and comprises a stirring component, a stirring component, a stirring component and a stirring component, the auxiliary limiting assembly comprises a fixing plate, a limiting rod, a connecting groove, a limiting groove, a limiting block and a magnetic plate; the fixing plates are fixed to the two sides below the sliding frame, the limiting rods penetrate through and are slidably connected to the two sides of the vertical surfaces of the fixing plates, the connecting grooves are formed in the two sides of the guide rail plate, the limiting grooves are formed in the vertical surfaces of the inner sides of the connecting grooves, the limiting blocks are fixed to the inner side ends of the limiting rods, and the magnetic plates are tightly attached to one sides of the interiors of the limiting grooves. By arranging the auxiliary limiting assembly, after the sliding frame moves, the magnetic plate moves into the limiting groove, the limiting block in the limiting groove is attracted to the magnetic plate, and the magnetic plate limits the moved magnetic block through magnetic force, so that the sliding plate moves and stops at any time, and limiting can be achieved without inserting a limiting rod into a corresponding limiting hole.

The utility model discloses a reinforcing steel bar bending device for constructional engineering, and aims to solve the technical problem that the working efficiency is affected as a reinforcing steel bar bending device in the prior art cannot bend a plurality of reinforcing steel bars simultaneously, the reinforcing steel bar bending device comprises a machine tool, and the left side of the top of the machine tool is rotatably connected with a threaded adjusting rod; the right side of the top of the machine tool is fixedly connected with a guide sliding rod, the top of the machine tool is slidably connected with a limiting plate, the right side of the machine tool is fixedly connected with a pair of limiting frames, and the corresponding sides of the two sets of limiting frames are each provided with a set of arc-shaped limiting sliding grooves. Compared with an existing reinforcing steel bar bending device, the reinforcing steel bar bending device has the advantages that multiple sets of reinforcing steel bars can be conveniently bent at the same time through the design, the working efficiency of reinforcing steel bar machining is improved, and the overall practicability is enhanced.

This utility model discloses a transport packaging device for long, curved parts with a limiting mechanism. The support frame is connected to the inner surface of the rear frame. A positioning frame is provided on the upper surface of the support frame, and several protrusions are provided on the upper surface of the positioning frame. A groove is formed between two adjacent protrusions. A limiting groove is opened on the upper surface of the protrusion along the length direction of the positioning frame. U-shaped buckles are provided at both ends of the support frame, and hooks are provided at both ends of the elastic pressure rope. The hooks at both ends of the elastic pressure rope are respectively connected to the U-shaped buckles at both ends of the support frame. The elastic pressure rope is pressed into the limiting groove on the upper surface of each protrusion. This utility model has a reasonable structure. First, the long, curved parts are supported in the grooves between the protrusions of the positioning frame to prevent them from colliding with each other. Second, after the elastic pressure rope is connected to the U-shaped buckle through the hook, the elastic pressure rope will press into the limiting groove of the protrusion to prevent the long, curved parts from popping out of the groove of the support frame, thereby greatly improving the stability of the parts in the transport process.

The utility model relates to the technical field of automatic measuring equipment, and discloses a sample container for a caking index tester, which comprises a cup body, the periphery of the bottom of the cup body is connected with two clamping jaws in a sliding manner, the sides, far away from each other, of the two clamping jaws are fixedly connected with fixed shafts, the peripheries of the two fixed shafts are fixedly connected with movable arms, and the movable arms are fixedly connected with the bottom of the cup body. A power box is arranged on the rear side of the cup body, a motor is fixedly connected to the interior of the left side of the power box, the output end of the motor is fixedly connected with a two-way threaded rod, and the two movable arms are in threaded connection to the periphery of the two-way threaded rod. According to the utility model, the motor, the two-way threaded rod, the movable arms, the fixed shaft and the clamping jaws are matched with one another, the motor is started and drives the two-way threaded rod to rotate, and when the two-way threaded rod rotates, the two movable arms move along the axis of the two-way threaded rod, so that the clamping jaws connected with the fixed shaft move oppositely to fix a cup body.

The utility model belongs to the technical field of glass slide supporting, and discloses a glass slide tray. The slide tray comprises a tray body and a jacking assembly, the tray body is provided with a containing groove, the containing groove is used for containing a slide, an observation hole is formed in the bottom of the containing groove, and one side wall in the length direction of the containing groove inclines towards the interior of the containing groove from bottom to top to form a limiting wall; the jacking assembly is arranged at the end, opposite to the limiting wall, of the containing groove and comprises a jacking part and an elastic part, the jacking part is in sliding fit with the tray, one end of the elastic part abuts against the tray, the other end of the elastic part abuts against the jacking part, and the jacking part can abut against the side face of the slide and cover the top face of the slide when the elastic part resets. According to the slide tray, the slide can be stably fixed on the tray, the slide is prevented from popping up or tilting up, and the scanning efficiency is improved.

The utility model discloses coal drop pipeline material receiving equipment capable of facilitating conveying, which relates to the technical field of coal drop pipeline material receiving equipment, and comprises a material receiving pipe and a buffer mechanism, and the buffer mechanism for preventing material splashing is arranged in the middle of the inner side of the material receiving pipe. And the buffering mechanism comprises a material receiving rotating plate, a supporting spring, a limiting block, a wrapping sleeve, a wear-resisting pad and a buffering cavity, the supporting spring is arranged on one side of the lower portion of the material receiving rotating plate, and the limiting block is fixed to one side of the upper portion of the material receiving rotating plate. Compared with an existing device, the coal falling pipeline material receiving equipment capable of facilitating conveying has the advantages that deformation buffering receiving can be carried out when coal materials are received through cooperation of all parts of the buffering mechanism, so that the possibility of popping out during feeding can be avoided, the impact force during discharging can be reduced to prevent damage to pipelines and plates, and meanwhile, the conveying efficiency is improved. And noise generated during material receiving can be reduced, so that the safety of the pipeline and equipment is guaranteed, and the service life is prolonged.

The present invention discloses a pressing detection system for an automatic production line for pressing an iron core built in a rubber ring, comprising a pressing system, a finished product detection system and a feeding mechanism arranged on a workbench; the pressing system comprises a third flow channel, a raw material taking and placing mechanism and a pressing mechanism; the head end of the third flow channel is arranged below the end of the rubber ring grabbing weighing transfer mechanism and the rear iron core transfer mechanism, the raw material taking and placing mechanism is arranged on the side of the third flow channel, and the pressing mechanism is arranged below one end of the raw material taking and placing mechanism; the finished product detection system comprises a finished product taking and placing mechanism and a finished product detection mechanism, the finished product taking and placing mechanism is arranged on the side of the third flow channel, and the finished product detection mechanism is arranged below one end of the finished product taking and placing mechanism; the feeding mechanism is arranged above the end of the third flow channel. The present invention replaces traditional manual labor with an automated production line, greatly improving the efficiency of pressing the iron core into the rubber ring, and the accuracy of the product can be detected after pressing.

The utility model discloses steel member bending processing equipment which comprises a working table, connecting shafts capable of moving in the horizontal direction are arranged at the front end and the rear end of one side face of the upper surface of the working table through driving mechanisms, bending wheels are rotationally arranged on the surfaces of the connecting shafts in a sleeved mode, a bending mechanism is arranged on the other side face of the working table, and the bending wheels are arranged on the bending mechanism. The front end and the rear end of the other side face of the workbench are both transversely and fixedly connected with transverse plates. According to the steel member bending machining equipment, in the extrusion bending machining process, the bending wheel and the limiting wheel rotate, the smoothness in the steel bar bending machining process can be improved, through cooperation of the arranged U-shaped frame and the limiting wheel, steel bars can be prevented from popping up, the stability in the bending machining process is improved, steel bar bending machining use is facilitated, and the practicability is high. Through the limiting wheel and the U-shaped frame, the traditional spring anti-falling performance is improved, the service life of the device is prolonged, and the maintenance cost of the device is reduced.

This invention discloses an assembly process, assembly platform, and automated assembly method for a pressure sensor, comprising: step a, freezing an elastic antifreeze plug in a low-temperature environment until it shrinks to a size smaller than the diameter of the drainage hole of the pressure sensor, changing its properties from elastic to brittle, and forming a frost layer on its surface; step b, with the drainage hole opening upwards; step c, inserting the antifreeze plug into the drainage hole to allow it to sink into the hole; step d, using a pressure rod to further penetrate the antifreeze plug; step e, checking whether the depth of the antifreeze plug in the drainage hole meets the standard; if not, repeating steps d and e until it does; step f, waiting for the antifreeze plug to thaw and restore its original size and elasticity, allowing the antifreeze plug to be elastically squeezed and fixed to the inner wall of the drainage hole. This invention, by freezing the antifreeze plug, reducing its size, making it brittle, and forming a frost layer on its surface to reduce friction, reduces the difficulty of inserting the antifreeze plug deep into the drainage hole while eliminating the need to apply lubricant to the surface of the antifreeze plug.

The invention relates to the field of transfer jigs, in particular to an intelligent card medium material transfer jig circulating production line which comprises an adsorption mechanism, a conveying mechanism, a feeding mechanism and a discharging mechanism, the adsorption mechanism comprises a control table, a first sliding rail, a fixing part, a conveying part, a moving part, a moving table and an adsorption part, the first sliding rail, the fixing part, the conveying part and the moving part are arranged on the control table, the moving table is arranged on the first sliding rail, and the adsorption part is arranged on the moving table; the clamping mechanism comprises a lifting sleeve arranged on the moving table, an attaching block arranged on the lifting sleeve, a fixing block arranged on the attaching block, a clamping part arranged on the fixing block, a buffering part arranged on the clamping part and a locking part arranged on the clamping part; and the driving mechanism comprises a fixed rod arranged on the lifting sleeve and an arc surface arranged on the fixed rod. Through the arrangement of the adsorption mechanism, the clamping mechanism and the driving mechanism, it can be guaranteed that air exhaust is not interrupted when the moving table moves, meanwhile, clamping of the storage plate is guaranteed, and the storage plate deviates during moving.

The invention relates to the technical field of Hall sensors, and particularly discloses a corrosion-resistant Hall sensor which comprises a fixing frame, the top end of the fixing frame is fixedly connected with a connecting column, the top end of the connecting column is in threaded connection with a threaded column, and the top end of the threaded column is provided with a liquid level sensor body. By the adoption of the structure, the connecting column and the connecting block penetrate through the container, then a user clamps the second clamping block into the circular groove through the first clamping groove, then the first clamping block is rotated through the protruding block, the second clamping block is rotated to the position which does not correspond to the second clamping groove, a second rubber pad has good elasticity, and the second clamping block is clamped into the circular groove through the second clamping block. And through downward pressing of a limiting block, the position of a connecting block can be effectively clamped, then the position fixing stability of the fixing frame can be effectively improved, and when the fixing frame needs to be detached for maintenance, a first clamping block is rotated through a protruding block, and a second clamping block is rotated to the position corresponding to a second clamping groove.

The invention belongs to the field of oxygen production equipment, and particularly relates to energy-saving VPSA (vacuum pressure swing adsorption) process oxygen production equipment, a heat storage tank is provided with a connecting plug, the heat storage tank is in inserted connection fit with a flow guide pipe through the connecting plug, the flow guide pipe is provided with a deviation rectifying unit, the deviation rectifying unit comprises a base, a sliding block, a driving assembly and a plug pin, and the sliding block, the driving assembly and the plug pin are arranged on the base. The driving assembly is in power fit with the heat storage tank and controls and drives the sliding block to move on the base, the plug pin is perpendicular to the moving direction of the sliding block, the sliding block and the plug pin are in limiting fit, a first reset spring is connected between the base and the plug pin, a through hole of the plug pin is formed in the sliding block, and the plug pin is arranged in the through hole. According to the oxygen production equipment, coaxial quick insertion connection of the heat storage tank and the flow guide pipe can be achieved, and leakage of a heat exchange medium is prevented.

The present invention relates to the field of elevator traction wheel brake devices, and in particular to an elevator traction wheel brake hook, comprising a base, the base comprising a rectangular bottom plate, and the top surfaces of the bottom plate are respectively and vertically fixedly connected with an adapter seat and a clamping seat, a baffle is fixedly connected between the clamping seat and the adapter seat, and a rotating shaft is horizontally inserted at the top of the adapter seat, the end of the rotating shaft is coaxially fixedly connected with a brake disc, and the brake disc is provided with a slot in an annular array; a buffer mechanism, comprising an annular buckle seat 1 and buckle seat 2, the rotating shaft is coaxially plugged with the buckle seat 1 and buckle seat 2. The device inserts an insert rod into the slot of the brake disc to brake in a manner of preventing the brake disc from rotating, has a stronger braking effect than friction, and can cooperate with the existing friction brake device of the elevator to achieve strong emergency braking of the elevator car.

The utility model discloses a guide wire storage device, and relates to the technical field of medical instruments, in particular to a guide wire storage device which can be stored and is convenient to draw. The storage body is of a cylindrical structure with the top end open and the bottom end closed, is installed on the rotating base and can rotate along with the rotating base. A plurality of guide wire inlet and outlet pipe openings are formed in the cylinder wall of the storage body. The guide wire inlet and outlet pipe opening is formed in the cylinder wall of the same horizontal plane of the storage body. The number is not less than 6; the guide wire inlet and outlet pipe orifice is of an arc-shaped tubular structure, is arranged on the cylinder wall at the same angle, and is made of one of rubber and plastic with certain elasticity; a closing part is arranged at the top end of the storage main body; and the inner diameter of the closing part is smaller than that of the accommodating main body. According to the technical scheme, the problems that in the prior art, a guide wire is long or hard, smooth, rich in elasticity and not easy to store, so that an operation table is disordered during an operation, an operator is in a busy hand, and the operation operation and the operation effect are affected are solved.

The utility model relates to sample tube technical field, concretely relates to a sample storage tube. Including the pipe body and the pipe cap, the pipe body includes the accommodating part to the connecting portion that cooperates with the pipe cap, is equipped with the mounting panel at the connecting portion, and the end of the mounting panel away from the connecting portion is concave and forms the cut -out downward. Through the cut -out of the utility model, it can cut off the swab rod quickly to improve the efficiency of sample collection, through setting the connecting portion, makes the stable reliable breakage of swab, avoids the liquid splashing of the cotton head wall surface in the breaking process, causes the infection of medical staff.

The utility model discloses a kind of pressing fixing devices for rubber product elasticity detection, it is related to elastic detection technical field, including jaw seat, symmetrically inserting screw rod is arranged in the inside of jaw seat, and the side of screw rod mutually close is connected by bearing and jaw, the side of jaw is respectively fixedly connected with guide column, the inside of jaw seat is equipped with the guide slot compatible with guide column, the front of jaw seat is distributed with fixed plate.The utility model is provided with L type board and inserting rod, in use process, by the setting of inserting rod, it can be locked in time after screw rod is adjusted in place, limit its axial and radial displacement, to ensure that the normal pressing head of jaw is fixed to sample, prevent sample from popping out to cause threat, provided with rubber board, when staff drive L type board to lift, by the four groups of rubber board of L type board bottom wall gluing, L type board and the outer wall of jaw seat can be prevented rigidly abut, to realize the external force suffered by L type board buffering.

The utility model discloses a painting pigment storage box for advertisement design, and relates to the technical field of pigment storage boxes. The painting pigment storage box for advertisement design comprises a box body, a pigment box is clamped in the box body, a triangular sliding groove is formed in the box body, a triangular clamping block is fixedly connected to the side face of the pigment box, a push rod is fixedly connected to the bottom end of the triangular clamping block, a sliding groove is formed in the side face of the push rod, and the triangular clamping block is fixedly connected to the bottom end of the sliding groove. A sliding groove is formed in the base, a spring is arranged in the sliding groove, a triangular block is slidably connected into the sliding groove, a sliding groove is formed in the triangular sliding groove, and a telescopic spring is arranged in the sliding groove. According to the paint box, when the fixed block is attached to the plane of the sliding block, the triangular block can be extruded into the sliding groove through the inclined face of the sliding block and popped out through the telescopic spring, so that the paint box is taken out, the paint box is convenient to fix and take out, and the stability of the paint box during use is guaranteed.

The utility model discloses a saliva collecting device which comprises a steel protective sleeve, a connecting rod is installed in the steel protective sleeve in a sliding mode, a limiting stopper is fixedly connected to the steel protective sleeve, an installation groove is formed in the limiting stopper, a limiting plug pin is installed in the installation groove in a sliding mode, a plug pin hole is formed in the connecting rod, and the limiting plug pin hole is connected with the limiting stopper in a sliding mode. The bolt hole is matched with the limiting bolt, one end of the connecting rod is fixedly connected with a sampling cotton ball, the inner bottom of the steel protective sleeve is fixedly connected with an extrusion spring, the other end of the extrusion spring is fixedly connected with an extrusion wafer, the rear end of the steel protective sleeve is fixedly connected with a grip, and the inner wall of the lower surface of the steel protective sleeve is provided with a limiting positioning groove. The connecting rod is inserted into the steel protective sleeve, the connecting rod is completely sleeved with the steel protective sleeve, and the whole steel protective sleeve is made of high-hardness steel, so that the steel protective sleeve can be effectively prevented from being deformed after being chewed, and the inner steel protective sleeve is protected.

The utility model discloses a pressure-resistant soft rubber plug for laboratory distillation and a laboratory distillation device, and relates to the technical field of distillation flask sealing, the pressure-resistant soft rubber plug comprises a soft rubber plug body and a coarse layer, the soft rubber plug body is of an elastic structure, the soft rubber plug body can deform and has the tendency to recover the original shape when being pressed, and the soft rubber plug body is of a circular truncated cone structure; the coarse layer is integrally arranged on the side wall of the soft rubber plug body to increase the friction coefficient of the side wall of the soft rubber plug body, and the soft rubber plug is simple in structure, convenient to use and capable of effectively sealing the distillation flask.