35results about How to "Good for multiple use" patented technology

The invention discloses a latticed column, a cast-in-place pile structure and a method for chiseling away concrete, the latticed column comprises a plurality of stand columns and a plurality of batten plate assemblies arranged at intervals, each batten plate assembly comprises a plurality of batten plates connecting the stand columns, an air bag is arranged in a stand column inner cavity defined by the stand columns, and the air bag is attached to the inner surfaces of the stand columns. According to the latticed column, the cast-in-place pile structure and the method for chiseling away the concrete, by means of the air bag in the inner cavity of the stand column and the contraction characteristic of the air bag, the air bag can be in an uninflated contraction state in the over-inflation process of pouring concrete, and the concrete can enter the inner cavity of the stand column to be poured; and after pouring is completed, the air bag is inflated, and the expanded air bag can extrude the concrete out of the inner cavity of the stand column, so that after pouring is completed and a cast-in-place pile is formed, only the air bag needs to be dismantled, the concrete in the inner cavity of the stand column does not need to be chiseled away or a small amount of residual concrete does not need to be chiseled away, the workload is reduced, and the construction efficiency is improved.

The utility model relates to the technical field of highway toll islands, solves the technical problem that the toll islands are complex to build by workers, and particularly relates to an island body, a connecting mechanism comprises a plurality of L-shaped plates arranged on two sides of an island head and the island body, and nuts are arranged in the L-shaped plates. A screw in threaded connection with the nut is arranged between the two corresponding L-shaped plates on the surface of the island head and the island body, and a positioning piece for positioning, connecting and fixing the island head and the island body is arranged between the island head and the island body. According to the utility model, the positioning holes on the inner side of the island tail or the island head are sleeved on the surface of the positioning rod on the inner side of the island body, so that the purpose of rotating the screw rod in the two L-shaped plates in a labor-saving manner is achieved, and the island head or the island tail is connected and fixed with the island body; according to the integrated forming device, a worker can conveniently use the integrated forming device to rapidly build island tail, island body and island head molds, the worker can conveniently and rapidly disassemble the molds subsequently, repeated use of the integrated forming device is facilitated, and the construction cost is reduced to a large extent.

The invention relates to the technical field of environmental test box welding, in particular to an environmental test box welding positioning device which comprises a base, a middle fixing part, a supporting frame, a contraction frame and a pushing frame, and through holes penetrate through the top face and the bottom face of the supporting frame. The supporting frame rotates by 90 degrees with the central axis of a horizontal rotating shaft located at the right end of the supporting frame as the reference. The contraction frame is vertically inserted into the inner wall of the supporting frame in a sliding mode, the outer edge of the contraction frame is fixedly connected with a plurality of elastic metal blocks arranged in the circumferential direction of the contraction frame, the elastic metal blocks incline towards the outer side of the contraction frame, and the pushing frame is vertically inserted into the inner side faces of the elastic metal blocks and the top face of the contraction frame in a sliding mode; a plurality of fixing blocks are fixedly connected to the inner side face of the contraction frame, suction cups are vertically inserted into the fixing blocks in a sliding mode, and the bottoms of the suction cups downwards extend to the positions below the fixing blocks. The backboard and the frame can be conveniently aligned, the flatness of the backboard is guaranteed, assembling and welding are convenient, and the automation degree is improved.

The utility model discloses a high-pressure self-sealing floating ball valve which comprises a valve body, flange plates are fixedly connected to the two sides of the valve body, a connecting box is fixedly connected to the top of the valve body, and a valve rod is arranged at the top of the connecting box. A first sealing assembly is arranged in the connecting box and comprises a moving plate, first protruding blocks are fixedly connected to the two sides of the top of the moving plate, the bottom of the valve rod penetrates through the connecting box and extends into the valve body, a rotating disc is fixedly connected to the top of the surface of the valve rod, and second protruding blocks are fixedly connected to the two sides of the bottom of the rotating disc. The first protruding block and the second protruding block are in low connection, vertical plates are fixedly connected to the two sides of the bottom of the movable plate, and rolling wheels are movably connected to the bottoms of the vertical plates. According to the high-pressure self-sealing floating ball valve, the valve rod is sealed in a reinforced mode through the boss capable of moving left and right, the valve rod is prevented from rotating for multiple times, the air leakage or liquid leakage phenomenon is avoided, and the safety of the high-pressure self-sealing floating ball valve in the using process is improved.

The utility model provides a multi-stage evaporator for alkali metal purification, which belongs to the technical field of metal purification and comprises a purification pipe, a crucible, a heating sleeve, a gas supply component, a plurality of collecting sleeves and a plurality of driving rods. The heating sleeve slidably sleeves the outer side of the purification pipe and is used for heating the purification pipe at the corresponding position. The gas supply assembly is communicated with the purification pipe and is used for enabling gas gasified in the crucible and gas heated by the heating sleeve and gasified again to flow along the purification pipe. The multiple collecting sleeves are slidably arranged in the purification pipe in a sleeved mode and arranged at certain intervals in the length direction of the purification pipe. The plurality of driving rods are in one-to-one correspondence with the collecting sleeves, one ends of the driving rods are connected to the collecting sleeves, and the driving rods drive the collecting sleeves to slide along the purification pipe so as to collect metal substances attached to the purification pipe and the collecting sleeves. According to the multi-stage evaporator for alkali metal purification, provided by the utility model, various alkali metals can be conveniently purified and recycled, the structure is relatively simple, and the efficiency is relatively high.

The present invention discloses an Internet-based sampling device for medical production, comprising a sampling cabinet body, a sampling tube body and an electric telescopic rod. A connection frame is fixedly installed on one side of the sampling cabinet body, and a plurality of sampling tube bodies are movably connected in the middle of the connection frame. The sampling tube body comprises a piston rod, a sampling needle and a sleeve. A groove is preset at the bottom of the piston rod, one end of the piston rod is located inside the sleeve, and a piston is provided at one end of the piston rod. The bottom of the sleeve is penetrated by a sampling needle, and the top of the bottom plate is fixed to the bottom end of the electric telescopic rod. The Internet-based sampling device for medical production is equipped with a handle on the outside of the sleeve of the sampling tube and an electric telescopic rod connected to the bottom plate. The sleeve itself is relatively thin, and the grip ensures the convenience of gripping, and is more ergonomic. The electric telescopic rod can be fixed to the piston rod, and the piston rod can be automatically pushed and pulled to extract the sample.

The utility model provides a safety protective net, which relates to the technical field of engineering protection and comprises a fixing frame, a guide frame is connected in front of the fixing frame in a welding manner, a one-way lock rod is movably connected to the upper end of the front surface of the guide frame, and a lifting frame is slidably connected to the inside of the guide frame. The front portion of the lifting frame is connected with a protective net connecting frame in a welded mode, the protective net connecting frame is fixedly connected with the edge of the protective net, the protective net is movably installed on the fixing frame through the protective net connecting frame and the lifting frame, a buffering tension spring is arranged between the lifting frame and the fixing frame, and the buffering tension spring is in a contraction state in a normal state. When a heavy object falls on the protective net, under the action of impact force, the protective net loves that the protective net connecting frame and the lifting frame are pulled downwards, the lifting frame moves downwards, the buffering tension spring is stretched, the lifting frame, the protective net connecting frame and the protective net integrally move downwards, the buffering effect is achieved, and the situation that the protective net is damaged due to the fact that the heavy object directly impacts the protective net can be avoided.

The utility model relates to the technical field of textile processing, and discloses a fabric desizing device for textile processing, which comprises a desizing box and a filter box, the filter box is positioned on one side of the desizing box, a pump body I is fixedly mounted on one side of the desizing box, the output end of the pump body I is fixedly connected with a pipeline I, and two sides of the filter box are rotatably connected with a conical barrel in a penetrating manner; one end of the pipeline I extends into the conical barrel; a second pump body is fixedly installed on one side of the filter box, a second pipeline is fixedly connected to the output end of the second pump body, a spray head is fixedly installed on one side of the inner wall of the desizing box, and one end of the second pipeline penetrates through the desizing box to be connected with the spray head. The first pump body conveys desizing liquid in the desizing box into the conical barrel through the first pipeline to be filtered, the filtered desizing liquid flows into the filter box, the second pump body conveys the desizing liquid in the filter box to the spray head through the second pipeline to be sprayed out, and therefore circular flowing of the desizing liquid in the desizing box is achieved, and the desizing effect is improved.

The utility model discloses a high-speed chip mounter adsorption platform, which relates to the technical field of chip mounter adsorption platforms and comprises a chip mounter adsorption platform, a first tray is fixedly mounted on one side of the chip mounter adsorption platform, a second tray is fixedly mounted on one side of the first tray, and a third tray is fixedly mounted on the surface of one side of the second tray. The inclination angle of a connecting rod is adjusted by arranging a connecting shaft, a cleaning brush is in direct contact with the surface of the top end of a chip mounter adsorption table, at the moment, one of a third tray, a second tray and a first tray is installed on the chip mounter adsorption table for use, and then a sliding disc slides at the position of a sliding rail; therefore, the cleaning brush is used for cleaning the surface of the third tray, dust is brushed away in time, the dust is prevented from being plugged into the negative-pressure adsorption holes and affecting the stability of negative-pressure adsorption, meanwhile, the dust is prevented from being attached to a machined part, and the cleaning degree of the adsorption table of the chip mounter in use is guaranteed.

The utility model discloses pearl wool convenient to assemble, and relates to the field of pearl wool. The pearl wool convenient to assemble comprises a first pearl wool body and a second pearl wool body, the first pearl wool body is installed above the second pearl wool body, and a first storage cavity and a second storage cavity are formed in the bottom of the first pearl wool body and the top of the second pearl wool body respectively. A plurality of connecting mechanisms are arranged between the first pearl wool main body and the second pearl wool main body. According to the pearl wool convenient to assemble, when the first pearl wool main body and the second pearl wool main body are connected through the arranged connecting mechanism, the bottom end of a connecting rod exposed out of the bottom of the first pearl wool main body is inserted into a connecting sleeve at the top of the second pearl wool main body; and the first pearl wool main body and the second pearl wool main body are spliced by utilizing friction force between the bottom end of the connecting rod and the inner wall of the connecting sleeve.

The utility model discloses a paper packaging corner protector easy to disassemble, and relates to the field of paper packaging corner protectors, and the paper packaging corner protector easy to disassemble is characterized by comprising four upper corner protectors and four lower corner protectors which respectively correspond to eight corners of a packaging carton, and further comprising telescopic assemblies which are arranged between the upper corner protectors and between the lower corner protectors, the distance between the upper angle beads and the distance between the lower angle beads are respectively adjusted; the pressing assembly is arranged between the upper angle bead and the lower angle bead, the upper angle bead is pressed downwards through the pressing assembly, and the upper angle bead and the lower angle bead are fixed to the packaging carton; the corner protector has the advantages that the whole corner protector can be easily separated from a carton only by releasing fixation between the upper corner protector and the lower corner protector through the pressing assembly and the telescopic assembly after the whole corner protector is unfolded, disassembly of the corner protector can be completed, repeated use of the corner protector is quite convenient, when the corner protector is installed on the carton, the corner protector is supported by the pressing assembly in the vertical direction, and disassembly is convenient. And the strength of the carton can be better improved.

The application discloses a sealing tool for a carbon fiber product vacuum bag and belongs to the technical field of carbon fiber production, which comprises a silica gel sealing sheet, the silica gel sealing sheet comprises a covering sheet and a bearing sheet, one side of the covering sheet and the bearing sheet is fixedly connected, a vacuum valve mounting hole is formed in the inside of the covering sheet, a vacuum valve is arranged in the inside of the vacuum valve mounting hole, a connecting pipeline is arranged on the top of the vacuum valve, a plurality of sealing clamp assemblies are arranged on the outside of the silica gel sealing sheet, each sealing clamp assembly comprises two groups of clamping frames which are symmetrically arranged above and below, and a hinge part and a spring are arranged on the opposite sides of the two groups of clamping frames; when the application is used, the sealing property of the silica gel sheet when being attached can be fully utilized, meanwhile, the sealing clamp assemblies can further strengthen the sealing property of the side surface, and after production is completed, the silica gel sealing sheet and the sealing clamp assemblies can be repeatedly used, and compared with disposable vacuum bag films, high-temperature-resistant foam rubber strips and the like, the application reduces the pollution to the environment.

This utility model relates to the field of cashmere combing and discloses a stable feeding structure for a cashmere combing machine. The structure includes a middle plate, a support plate fixedly connected to the top of the middle plate, a side plate fixedly connected to the top of the support plate, a side motor fixedly connected to one side of the side plate, and a rotating roller connected to the output shaft of the side motor via a coupling. This stable feeding structure for the cashmere combing machine, through the arrangement of the middle plate, support plate, side plate, side motor, rotating roller, conveyor belt, soft rubber plate, rotating plate, directional motor, clamping frame, lifting sleeve plate, rear rubber pad, lifting support plate, front rubber pad, and lifting side column, makes the stable feeding structure of the cashmere combing machine more convenient to use. It can stably feed cashmere combing machines of different heights, adapting to cashmere combing machines of varying heights, improving the overall structural adaptability to the environment, and reducing subsequent operating costs.

The utility model relates to the technical field of cervical treatment, in particular to cervical treatment support placing forceps which comprise two forceps bodies, each forceps body comprises a rotating disc, one side of each rotating disc is fixedly connected with a clamping rod, the other side of each rotating disc is fixedly connected with a fixing rod, and the two forceps bodies are arranged in an X shape. The rotating discs of the two clamp bodies are rotationally connected, an auxiliary mechanism is arranged in the clamping rod and comprises a mounting cavity formed in the clamping rod, two through holes are formed in the inner wall of the mounting cavity in a communicating mode, the through holes penetrate through the clamping rod, and the through holes communicate with the external space; a through hole is formed in the mounting cavity, the opening direction of the through hole faces the side away from the other clamp body, two auxiliary rods are arranged in the mounting cavity, the two auxiliary rods can extend out of the through hole to enter the external space, chamfers are arranged at the ends of the auxiliary rods, and the auxiliary rods are made of soft materials.

The invention discloses a steel plate waste collecting and treating device, and relates to the field of steel plate waste, the steel plate waste collecting and treating device comprises a first collecting plate, a first collecting groove is formed in the top surface of the first collecting plate, a second collecting plate is arranged above the first collecting plate, and supporting connecting columns are fixedly connected to the four corners of the top surface of the first collecting plate; the top faces of the four supporting connecting columns are fixedly connected to the left side of the bottom face of a second collecting plate and the center of the bottom face of the second collecting plate correspondingly, a second collecting groove is formed in the top face of the second collecting plate, a material distributing assembly is arranged in the second collecting groove, and a transmission assembly is arranged on the back face of the second collecting plate. Through the arrangement of the material distributing assembly and the transmission assembly and the cooperation between the inner structures of the material distributing assembly and the transmission assembly, the problem that the line stopping time is long during manual cleaning is solved, meanwhile, waste materials can be rapidly collected and arranged, and the production efficiency is effectively improved.

A quick-assembled combined gantry crane track foundation relates to a track foundation, wherein a support column rear end (10) of a support column (1) provided in a first track unit (6) contacts a support column front end (12) of a support column (1) provided in a second track unit (6), and a front end (13) of a rail (2) provided in the second track unit (6) rests on the support column rear end (10) of the support column (1) provided in the first track unit (6) and contacts a rear end (11) of the rail (2) provided in the first track unit (6). The present invention achieves the purpose of facilitating disassembly and multiple uses of the track foundation of the gantry crane by arranging the track of the gantry crane as a structure in which a plurality of track units are connected to each other, and by using an "X"-shaped support beam and a rail slightly misaligned with the support column to make the connection more compact and the bearing capacity stronger.

The utility model discloses a carton capable of being folded repeatedly, which relates to the technical field of cartons and comprises a carton body, carton covers are connected to two sides of the top end of the carton body, an upper butt joint plate is arranged on the outer wall of the carton body, a lower butt joint plate is arranged on the side wall of the carton body, and the upper butt joint plate is connected with the lower butt joint plate through a hinge. A clamping plate is arranged on the inner wall of the box body, clamping nails are fixed to the four corners of the inner wall of the upper butt joint plate and the four corners of the inner wall of the lower butt joint plate, and lock holes are formed in the outer walls of the clamping nails. The carton body and the carton cover are in butt joint through the hinge, when the carton needs to be repeatedly folded for use in the use process of the carton, the effect of folding the carton back and forth is achieved through the mechanism, the folding frequency of the carton is greatly increased, and therefore the service life of the carton is prolonged, and waste of resources and materials is reduced.

The utility model discloses a pipeline river-crossing temporary support structure in the technical field of river-crossing pipeline relocation and transformation, and aims at solving the problems that an existing temporary support assembly is complex in installation, poor in bearing performance and the like. The supporting frame comprises first I-shaped steel and two groups of supporting frames which are arranged at intervals; a plurality of first I-shaped steel serving as cross beams are lapped above the two groups of support frames at intervals; a plurality of pipelines are arranged above the first I-shaped steel; second I-shaped steel is arranged on the two sides of each pipeline respectively; the multiple steel pipe piles in the supporting frame are arranged at intervals along the same straight line. An inner stiffening plate is arranged on the inner side of any steel pipe pile, and an outer stiffening plate is arranged on the outer side of any steel pipe pile. The two ends of the channel steel are used for being in lap joint to revetments on the two sides of a river channel correspondingly, and the waist part is sequentially arranged above the inner stiffening plates and fixedly connected with the steel pipe piles and the inner stiffening plates correspondingly. The upper end faces of the channel steel, the outer stiffening plate and the steel pipe piles are flush; the pipeline river-crossing temporary support structure is convenient to disassemble and assemble and low in manufacturing cost; and the overall bearing capacity of the assembled support structure is relatively high.

The utility model relates to the field of beret pieces, in particular to a beret piece rapid installation structure which comprises the beret pieces and a connecting structure, a fixing groove is formed in one side above a chord member, a fixing rod is arranged in the fixing groove, a sliding groove is formed in the other side above the chord member, limiting blocks are symmetrically arranged on the two sides of the inner wall of the sliding groove, a rack is fixedly arranged at the bottom of the sliding groove, and the connecting structure is located on the sliding groove. The connecting structure comprises a base, a connecting rod, a rotating shaft, two rotating shaft seats, two sliding blocks, a gear and a handle, the sliding blocks are located at the bottom of the base, the sliding blocks are located in the sliding grooves, a gear groove is formed in the bottom of the base, the gear is located in the gear groove, the gear is meshed with the rack, and the handle is connected with the gear. And then the connecting structure can be moved by moving the base, so that the two beret pieces can be synchronously close to each other in the direction of the connecting rod on the connecting structure, and alignment operation is not needed any more.

The invention relates to the technical field of biological medicines, in particular to a pharmaceutical composition containing recombinant human interleukin-2, a pharmaceutical preparation and a preparation method of the pharmaceutical composition. Specifically, the pharmaceutical composition containing the recombinant human interleukin-2 is prepared from the following components in parts by weight: 0.05 to 0.3 part of recombinant human interleukin-2, 0.02 to 0.2 part of dissolution promoter, 0.1 to 0.4 part of sodium acetate, 0.2 to 0.8 part of acetic acid, 5 to 10 parts of sodium chloride and 500 to 2000 parts of water for injection, and the pH value of the recombinant human interleukin-2 solution is 3.6 to 4.5. By adopting the technical scheme, the stability of the recombinant human interleukin-2 solution can be improved, particularly, the effect is better under the scene of repeated use, and the product utilization rate is improved.

The invention relates to the technical field of medical appliances, and discloses a penis axial hardness detector, comprising a rubber sleeve and a rubber cover. The rubber sleeve has a sleeve cavity for inserting a penis, the end of the rubber sleeve has a sleeve inlet connected to the sleeve cavity, a middle sleeve ring is arranged in the middle of the rubber sleeve, and the sleeve inlet at the end of the rubber sleeve is arranged with a terminal sleeve ring; a first axial rubber strip and a second axial rubber strip are arranged on the rubber sleeve, the first axial rubber strip is respectively connected to the middle sleeve ring and the terminal sleeve ring, and the second axial rubber strip is respectively connected to the terminal sleeve ring and the rubber cover, and the first axial rubber strip and the second axial rubber strip are respectively extended outward from the middle to have a first axial wire and a second axial wire connected to a tension detector; the rubber sleeve is convenient to wear, and only needs to put on the rubber sleeve, and then install the middle sleeve ring and the terminal sleeve ring in sequence on the rubber sleeve, and install the rubber cover on the glans penis; and it does not need to be in direct contact with the penis, so it is convenient to use multiple times and does not need to be frequently cleaned.

The invention relates to a time sequence diagram establishing method, device and equipment and a storage medium, and is applied to the technical field of integrated circuits, and the time sequence diagram establishing method comprises the steps that a segmentation boundary line is obtained, and the segmentation boundary line is used for dividing a DUT module into different DUT sub-modules; a key path is searched according to the direction of data transmission, and the initial position for searching the key path is the segmentation boundary line; nodes are established at device ports through which the key paths pass, and edges are established inside the devices through which the key paths pass and among the devices; searching a clock path corresponding to the key path at the ending position of the key path, and establishing a corresponding edge according to the clock path; and forming a directed graph by using all the established edges and the nodes correspondingly associated with all the edges, and setting the directed graph as a time sequence diagram. The method has the technical effects that the time sequence diagram is quickly established, the calculation amount in time sequence analysis is reduced, and the analysis efficiency is improved.

The utility model belongs to the field of tree sap collecting tools, and discloses a birch sap collecting device which comprises a mounting soft plate and a collecting bottle, the collecting bottle is detachably connected with the mounting soft plate, the collecting bottle is connected with a collecting pipe, the mounting soft plate is connected with a main binding belt and an auxiliary binding belt, the main binding belt is connected with a clamping frame, and the clamping frame is provided with a through groove. A plurality of groups of ratchet teeth are connected to the auxiliary bandage, the clamping frame is rotationally connected with a rotating rod, the rotating rod is connected with a pawl, the clamping frame is connected with a positioning spring, the free end of the positioning spring is connected with the pawl, and the rotating rod is connected with a shifting block; according to the technical scheme, the fixing stability of the collecting bottle is improved; during installation, installation can be completed only by pulling the binding belt, limitation can be relieved only by slightly rotating the poke rod subsequently, then the installation soft plate is rapidly taken down from a tree, the binding stability is improved, meanwhile, the operation convenience is greatly improved, operation is more convenient, and practicability is greatly improved.

The invention discloses an air filter and a purification process thereof, and relates to the technical field of air filtration; the invention comprises a purification installation part, wherein leakproof sealing parts are installed on both upper and lower sides of the purification installation part, and the two leakproof sealing parts are respectively used to seal the upper and lower sides of the purification installation part; two opening control parts are installed on the purification installation part, and the two opening control parts are respectively used to fit and extrude the two leakproof sealing parts; an expansion protective pipe part is installed on the purification installation part, and the expansion protective pipe part is used to fit the exhaust pipe of an air conditioner; the air-conditioning duct can be made tidier, and no manual cleaning work is required again, and it is also more suitable for the characteristics of long air-conditioning ducts in aircrafts, and it is also more suitable for high-requirement purification standards, and the tidiness of the air-conditioning duct can be improved, so as to solve the problem that the current air filter is not convenient to be sealed and leakproof when disassembled and replaced, and a large amount of dust and impurities will also adhere to the surface of the air-conditioning duct that has been used for a long time.

The utility model relates to the technical field of carton packaging, and discloses an improved storage carton structure, the improved storage carton structure comprises a main body mechanism, a layer plate mechanism, a material mechanism and an auxiliary mechanism, the layer plate mechanism is arranged at the front end of the main body mechanism, the main body mechanism comprises a back plate, two first groove lines are arranged on the back plate, and the material mechanism is arranged on the back plate. The first slot line is provided with a plurality of reinforcing blocks, the lower end of the first front plate is provided with two plugging ports, and the plugging ports are embedded with the slots. According to the improved storage carton structure, an auxiliary mechanism such as a tripod is introduced, a reinforcing block in the main body mechanism and a bolt system of the laminate mechanism are combined, the overall structural stability and durability are greatly enhanced through the design of the carton, the tripod is specially designed to be used at the corner of the carton, extra supporting force is provided, and the service life of the carton is prolonged. Therefore, the carton is firmer, can bear higher load and can resist impact and pressure possibly occurring in the transportation process.

This invention relates to the field of electric spindle technology and discloses a cooling mechanism and method for the electric spindle of a permanent magnet synchronous motor. The mechanism includes a spindle housing with a coolant inlet pipe and a coolant outlet pipe. Inside the spindle housing are a steel cylinder and a cooling sleeve with cooling channels. A tail cap is installed at the tail end of the spindle housing, and a rotary joint is provided on the tail cap. A cooling assembly is installed inside the spindle housing. This invention, through the design of the cooling assembly, including a rear cooling chamber, a bushing channel, a stator ventilation area, a front bearing cooling channel, a water-cooled ring, a steel cylinder cooling channel, a motor water-cooled sleeve annular dual-flow cooling groove, and a rear seat cooling channel, achieves multi-directional cooling of key components such as the rear bearing, front bearing, and stator of the electric spindle.

According to the anti-sticking coating for sintering, TiN or TiC serves as an anti-sticking and blocking material, MgO serves as a shell forming agent, MgO and a TiO2 oxide film formed on the surface of the TiN or TiC form a magnesium titanate (MgTiO3) ceramic phase through a solid-solid diffusion reaction, the magnesium titanate ceramic phase is connected with coarse TiN or TiC particles after high-temperature sintering, and the anti-sticking coating for sintering is obtained. A relatively hard TiN or TiC shell is formed, so that the friction resistance and scratch resistance of the coating are improved, and the service life of the coating is prolonged. According to the sintering tray coated with the anti-sticking coating for sintering, the surface of the coating is free of peeling, cracking and other defects after sintering, the coating is completely reserved, the good and stable barrier effect is achieved, and the problems that impurities are likely to be introduced into an existing sintering anti-sticking coating, the sintering anti-sticking coating reacts with sintered alloy at the high temperature, and the performance of a sinter is deteriorated are solved.

The invention discloses a biosensor ejection device for body fluid detection, comprising an outer shell, an inner shell, a button and an ejection assembly installed inside the outer shell, wherein the button is installed on the top of the outer shell and is driven to be connected to the ejection assembly, and the inner shell is inserted into the outer shell from the bottom of the outer shell; the ejection assembly comprises an upper slider, a lower slider, a central shaft and a guide sleeve, the bottom of the button is connected to a button connector that is in contact with the top of the lower slider, a fixing ring is installed at the bottom of the lower slider, hooks are symmetrically arranged on both sides of the lower slider, a slot group matching the hooks is arranged on the inner shell, a slot hole matching the hooks is arranged on the upper slider, the upper slider is arranged inside the lower slider, a fixed shaft connected to the central shaft is arranged inside the button, the central shaft passes through the button connector and the upper slider in sequence and is inserted into the guide sleeve, a button spring is arranged on the outer sleeve of the fixed shaft, a first tension spring is arranged on the outer sleeve of the guide sleeve, and a second tension spring is arranged between the fixed column installed on the inner shell and the lower slider.

The utility model belongs to the technical field of fixers, particularly relates to a disposable nasal tracheal intubation fixer, and aims to solve the problems that the conventional tracheal catheter is easy to pull the nose wing of a patient, a special special-shaped tube needs to waste more space for fixing during use and the like, and the following scheme is provided: the disposable nasal tracheal intubation fixer comprises a first fixer and a second fixer, the disposable nasal tracheal intubation fixator comprises a first fixator body and a second fixator body, the first fixator body and the second fixator body are of the same structure and are both in an unclosed cylinder shape, the first fixator body and the second fixator body are used for fixing a tracheal catheter, and the disposable nasal tracheal intubation fixator can be well fixedly connected with the tracheal catheter through the three fixator bodies, so that the disposable nasal tracheal intubation fixator is convenient to use and high in practicability. The three fixers are connected through the metal connecting pieces, the tracheal catheter can be bent into any angle by adjusting the angles among the three fixers, the tracheal catheter can be conveniently fixed, the operation space occupied by the tracheal catheter can be reduced, and the operation is facilitated.

The utility model provides a waterproof electric eye beautifying instrument which comprises a machine body and a machine head, the machine body and the machine head are made of metal materials, the machine body comprises a machine body support, a massage device and an interaction device are arranged on the machine body support, the massage device is electrically connected with the interaction device, the massage device extends outwards from the machine head, and the interaction device comprises a key and a sealing gasket. The key is connected with the machine body bracket through the sealing gasket; the machine body and the machine head are detachably connected, and a cavity for containing the sealing piece is formed in the connecting position of the machine body and the machine head. The metal material is adopted, so that abrasion, impact and deformation can be effectively resisted; the cavity for accommodating the sealing piece is formed in the joint of the machine body and the machine head, so that the sealing and waterproof performance between the metal machine head and the metal machine body can be effectively improved; the sealing gasket is arranged on the interaction device, the key is connected with the machine body support through the sealing gasket, and the key and the machine body are assembled in a sealed mode, so that the problem of water leakage of the key is solved, a user can conveniently clean the electric eye beautifying instrument, and repeated use is facilitated.