42results about How to "Simple and reasonable structure" patented technology

The utility model discloses a corn precision dibbling pneumatic type centralized seed supply device which comprises a box body, a plurality of seed metering mechanisms and a plurality of air blowing mechanisms, each seed metering mechanism comprises a hopper and a seed metering device, and an inlet of the seed metering device is communicated with an outlet of the corresponding hopper; each air blowing mechanism comprises a three-way pipe and an air blower, a first interface of the three-way pipe is communicated with an outlet of the corresponding seed metering device, a second interface of the three-way pipe is communicated with an outlet of the air blower, and a third interface of the three-way pipe is communicated with a seed inlet of the corresponding seeding unit through a connecting hose. The seed sowing device has the beneficial effects that the air blowing mechanism is arranged, so that seeds discharged by the seed sowing devices can be fed into the seed inlets of the seed sowing single bodies through the connecting hoses, and as the connecting hoses can be freely bent, the seed sowing devices do not need to be arranged right above the seed sowing single bodies, so that a plurality of seed sowing devices can be intensively arranged together; therefore, the mass and the size of the seeding device are effectively reduced, transportation and storage are convenient, transmission is simple, and efficiency is high.

A labor-saving and silent push-rebound opening and closing device for furniture includes a rebound bracket, a push element, and a push element. The rebound bracket is provided with a circular groove, the push element is provided with a sliding shaft portion, the push element elastically telescopically limits the sliding on the push element and / or the rebound bracket, and acts and drives the sliding shaft portion to position and / or slide along the trajectory of the circular groove in a sequential direction when sliding, and also includes a lever assembly, the lever assembly is provided with a lever action portion, the push element is provided with a pushing action portion, and the circular groove is provided with at least an upper limit sliding area, a conversion area, and a front stop area; when the sliding shaft portion slides on the upper limit sliding area, it acts and drives the pressing element and the pushing element to slide out of the rebound bracket, the sliding shaft portion slides to a certain position on the upper limit sliding area and separates from the pressing element, and the pushing element interacts with the lever action portion through the pushing action portion when the sliding shaft portion and the pressing element separate. The present invention has strong practicality through the improvement of the above structure.

This utility model discloses an injection mold for a coffee machine handle, including a lower base, an upper top base, a lower mold assembly, an upper mold assembly, a demolding assembly, and a screw positioning assembly. The lower base includes a lower base plate, a support pad, and a guide rod. A vertically arranged demolding assembly is fixed to the upper side of the lower base. The upper end face of the support pad is connected to the lower mold assembly. The lower mold assembly includes a lower mold base and a lower mold. The lower mold has several lower forming cavities. The lower forming cavities are connected to injection molding channels. The upper mold assembly includes an upper mold base and an upper mold. The lower end face of the upper mold has several upper forming cavities. The upper and lower forming cavities are joined together to form a handle mold cavity. The screw positioning assembly is located inside the handle mold cavity. This utility model's injection mold for a coffee machine handle has a simple and reasonable structure, stable and reliable operation, and can efficiently injection mold a coffee machine handle with a screw mandrel in the middle, and can be quickly demolded.

The utility model provides a disconnected type vehicle frame and a mine truck, the disconnected type vehicle frame comprises a front vehicle frame and a rear vehicle frame, a slewing bearing is arranged between the front vehicle frame and the rear vehicle frame, the outer ring of the slewing bearing is fixedly connected to the rear end part of the front vehicle frame, and the inner ring of the slewing bearing is fixedly connected to the front end part of the rear vehicle frame; and the inner ring and the outer ring of the slewing bearing are rotationally connected. Compared with an existing integral frame vehicle, the front frame and the rear frame adopting the slewing bearing can rotate in a small range in the advancing direction, so that an axle can be in better contact with the ground, the driving force of the vehicle is increased, and the cross-country performance of the vehicle is improved; compared with an existing articulated truck that a power assembly and a transfer case are both installed on a front truck, the power assembly of the disconnected truck frame adopting the slewing bearing is installed on the front truck frame, the transfer case is installed on the rear truck frame, the size of a front overhang and a wheel base of the whole truck is small, the length of the whole truck is reduced, applicability is improved, and wide application and popularization prospects are achieved.

A power supply shell waterproof device comprises an upper shell, a lower shell, a power cord, and a waterproof component. The waterproof component is formed integrally by a sealing position and a shell sealing position connected end to end. A joint is provided on the power cord, and is sealed and sleeved in the sealing position through the joint. An upper waterproof rib is provided on the upper shell, and is sealed and pressed above the sealing position and the shell sealing position through the upper waterproof rib. A lower waterproof rib is provided on the lower shell, and is sealed and pressed below the sealing position and the shell sealing position through the lower waterproof rib. The present invention not only increases the contact position between the upper shell, the lower shell, the joint, and the waterproof component after assembly to form more fitting surfaces through the improvement of the above structure, but also avoids the gap formed by the upper shell, the lower shell, the joint, and the waterproof component after assembly, thereby completely preventing water vapor or moisture from entering the interior of the upper shell and the lower shell, greatly improving the waterproof performance of the power supply shell, not only achieving the maximum waterproof effect, but also correspondingly improving the use safety and service life of the power supply shell.

The invention discloses a hollow shaft motor test loading mechanism, which comprises an extension shaft fixedly butted with the outer end of a motor shaft and a torque device for applying downward pressure to the motor shaft through the extension shaft, and is characterized in that the front end and the rear end of the extension shaft are respectively provided with a supporting stress point and a pressing stress point; the torque device provides upward supporting force F0 and downward pressing force F1 for the supporting force bearing point and the pressing force bearing point respectively, and the magnitude of the supporting force F0 and the magnitude of the pressing force F1 and the proportion of the supporting force F0 and the pressing force F1 are adjusted, so that the motor shaft bears loads exceeding the minimum load in the front end bearing and the rear end bearing in the motor. The device has the advantages that loads of the front end bearing and the rear end bearing are increased in a balanced manner, so that the rolling units can rotate along with rotation of the motor shaft, friction between the rolling units and the inner ring and the outer ring is rolling friction, sliding friction is avoided, and it is guaranteed that the front end bearing and the rear end bearing are not damaged in the test process of the hollow shaft motor; the structure is simple and reasonable, and operation is very easy.

The present invention relates to an energy storage rebound structure, comprising a rebound support, an elastic element and a push element, wherein a heart-shaped slide groove is arranged on the rebound support; the elastic element elastically acts on the rebound support and the push element respectively; the push element is provided with an elastic plastic part and a movable part; the elastic plastic part is provided with a first step and a second step; the push element slides on the rebound support through elastic expansion and contraction of the elastic element, and drives the movable part to slide and / or position along the track of the heart-shaped slide groove through the cooperation of the first step and the second step in a sequential direction during sliding. This ensures that the push element can rebound open and slide closed on the rebound support under any circumstances, improves the stability of the product, and makes the user's use more convenient, safe and reliable.

The utility model discloses an apple sorting machine, which relates to the technical field of sorting machines, aims to solve the technical problem of high production cost caused by large occupied area of the conventional apple sorting machine, and comprises a conveying mechanism and a sorting mechanism, the sorting mechanism comprises a sorting outer cylinder, a sorting inner cylinder coaxially sleeved with the sorting outer cylinder and a sorting assembly arranged in the sorting inner cylinder, the sorting assembly comprises a spiral double-rod sliding rail and a spiral supporting rail located below the spiral double-rod sliding rail, and a gap between double rods of the spiral double-rod sliding rail is gradually increased from top to bottom. According to the apple sorting machine, the sorting mechanism is composed of the inner cylinder and the outer cylinder, the inner cylinder is provided with the variable-diameter spiral double-rod sliding rail, and apples roll to the positions below the corresponding sorting openings through rotation to achieve apple sorting; the sorting outer cylinder is responsible for receiving apples with different sizes and transporting the apples to the conveying groove; the design of the variable-diameter spiral double-rod sliding rail is adopted, a traditional linear sorting track is changed into a spiral sorting track, and therefore the occupied area of the device is greatly reduced.

The invention discloses a cable indoor terminal conversion device. The device comprises a fixed flange; the connector is sleeved on the fixed flange; the bypass quick interface assembly is arranged at one end part of the connector; the binding post assembly is used for being connected with an indoor terminal at the tail end of the cable in a matched mode, the binding post assembly is connected in the connector in a sleeved mode, and the binding post assembly comprises a binding post body, a contact finger arranged at one end of the binding post body and an insulating layer wrapping the binding post body and the contact finger; the cable tail end indoor terminal comprises a cable end and a cable tail end indoor terminal body connected to the cable end, and one end of the cable tail end indoor terminal body is detachably connected to the other end, opposite to the binding post body, of the binding post body. And a waterproof insulating component. By implementing the cable indoor terminal conversion device, the cable wiring joint and the bypass quick-plug terminal wiring joint which are connected with the high-voltage switch cabinet can be adaptively converted; the structure is simple and reasonable, and maintenance and operation cost control are facilitated.

The utility model relates to an appliance for heating by using steam and a health preserving kettle. The appliance for heating by using the steam is characterized by comprising a seat body, a kettle body and a steam generator, the steam generator is arranged in the seat body, and the kettle body is used for being placed on the seat body; the base body is provided with a first connector used for being communicated with a steam generator, a second connector is arranged on the lower portion of a handle of the kettle body and communicated to an inner cavity of the kettle body, and the first connector and the second connector are detachably connected; a one-way structure is arranged in the first connector and / or the second connector. Different from the prior art that a steam channel is arranged at the top of a kettle body to affect taking and placing or a bottom air guide structure hinders food taking and placing, a connecting structure of the steam channel is arranged on the lower portion of a handle of the kettle body. In daily use, a user cannot be interfered by the steam channel structure when taking and placing the kettle body, operation can be carried out more smoothly, and the use convenience degree is greatly improved.

This utility model provides an integrated energy-saving and fire-resistant reinforcement system for existing non-transparent curtain wall buildings. It includes: a Class A asbestos-free calcium silicate fireproof partition installed on the outside of the base wall or insulation layer. The partition contains an air gap layer, within which a slow-release polyurethane layer is installed. This utility model features a simple and rational structure with strong overall integrity. Through the layered barrier design of the Class A asbestos-free calcium silicate fireproof partition and the use of slow-release polyurethane foam to fill the air gap layer, the heat transfer coefficient is reduced by ≥40%, while simultaneously improving the fire resistance of the system structure. It achieves the dual functions of "dense filling + fire-resistant partitioning." Without demolishing the existing curtain wall, it can simultaneously improve the energy-saving and fire-resistant performance of the curtain wall, making it particularly suitable for the repair and upgrading of non-transparent curtain walls such as stone and metal panels. Compared to demolition and reconstruction, it improves construction efficiency by more than 60%.

A remote monitoring instrument and method for cockroaches, comprising a bait carrier plate, a main control board, a sensor, and a monitoring machine. The sensor is arranged at the entrance of the bait carrier plate and is electrically connected to the main control board, and sends a monitoring signal to the main control board when the cockroaches pass through the entrance of the bait carrier plate. The monitoring machine is electrically connected to the main control board; when the main control board receives the monitoring signal, it controls the monitoring machine to monitor the cockroaches. The present invention can automatically monitor cockroaches at multiple different locations through the improvement of the above structure to reduce the cost of cockroach vector monitoring. Moreover, the main control board will send the monitoring information to a cloud server. With the use of the cloud server, the types and quantities of cockroaches can be automatically identified, classified and stored for subsequent use by the monitor, thereby greatly improving the monitoring results, reducing the instability of manual monitoring, and further reducing the cost of cockroach vector monitoring.

The utility model discloses an engine oil control valve core assembly capable of being quickly disassembled and assembled, which comprises a valve sleeve and an inner valve rod sleeve, and a detachable valve core assembly is arranged in the valve rod sleeve. A triangular rod part is arranged at the end of a valve rod of the valve element assembly, a telescopic groove is formed in the inclined face of the triangular rod part, and a telescopic rod is embedded in the triangular rod part and can be inserted into the positioning groove to fix a valve element. The right-angle pull rod, the sliding base and the adjusting assembly are matched, the rotating rod is rotated to drive the shifting rod to push the L-shaped pull rod, the sliding base slidably controls the telescopic rod to stretch out and draw back, and disassembly is convenient. A slope opening at the inlet end of the valve rod sleeve facilitates retraction of the telescopic rod during installation, a top spring at the valve rod enhances working stability, and a reset spring between the telescopic rod and a telescopic groove achieves automatic locking. According to the assembly, through the ingenious structural design, the valve element is rapidly mounted and dismounted, the maintenance efficiency is remarkably improved, and the maintenance cost is reduced; and meanwhile, the working stability is guaranteed, precise engine oil control is guaranteed, the structure is simple, and good practicability and popularization value are achieved.

The guiding and feeding structure for steel fiber processing comprises a material guiding structure and a material storing structure, the material guiding structure comprises a material guiding seat, a material guiding frame is arranged on the material guiding seat, a first guiding wheel, a second guiding wheel, a third guiding wheel and a reinforcing frame are arranged on the material guiding frame, a steering feeding structure and limiting grooves symmetrically formed in the reinforcing frame are arranged on the reinforcing frame, and the material storing structure is arranged on the steering feeding structure. A limiting sliding plate matched with the limiting groove is arranged in the limiting groove, the limiting sliding plate is connected with the output end of an electric push rod arranged on the material guide frame, the limiting sliding plate is connected with a fourth guide wheel through a connecting arm, and the fourth guide wheel is located between the second guide wheel and the third guide wheel. By the adoption of the structure, wheel type rotary guiding is adopted, direct hard friction between a steel wire and the guiding and limiting structure is avoided, the possibility of surface damage is reduced, and the situation of raw material breakage in wire drawing machining is reduced; and electric tensioning is matched, the tensioning force is flexibly adjusted according to the machining requirement, smoother and more continuous feeding machining is guaranteed, and the machining efficiency and quality are remarkably improved.

An integrated and optimized drawer adjustment structure includes a movable slide and a side panel. The side panel is made of a metal material and is provided with a flat side surface. The side surface extends downward and is integrally bent or separately provided with a support portion. A front connection device is provided below the support portion. The front connection device includes a bracket. The bracket is located below the support portion and is provided with a front buckle and an up and down adjustment component. A notch portion is provided at the front of the movable slide, and its front end abuts against the bracket. The front buckle is elastically movable on the bracket, and is mutually buckled or separated with the notch portion when elastically movable, so as to realize a detachable mating connection between the movable slide and the side panel. The up and down adjustment component is movably arranged on the bracket, and drives the side panel to move up and down relative to the movable slide when movable, so as to realize the up and down position adjustment between the movable slide and the side panel. The present invention has strong practicality through the improvement of the above structure.

A kind of lithium carbonate preparation with screening structure, including support, the support is equipped with box, the top of box is equipped with screening frame, the bottom of box is equipped with unloading pipe, the top of screening frame is opened, the bottom of screening frame is equipped with multiple groups of screening port, first screen is equipped on screening port, one of first screen is equipped with discharge port, discharge port is connected with collection barrel by guide pipe, box is equipped with collection structure matched with screening frame.Using the above structure, through annular material pushing cooperation screening, not only can quickly separate solid-liquid, but also can rely on annular path to continue pushing material to avoid filter screen blockage, significantly improve screening efficiency;Lithium carbonate crystal particles continue to move automatically collected with pushing material, multiple filter material cooperation, greatly improve the efficiency of screening and collecting material;Device overall structure is simple and reasonable, operation is continuous and stable, and practicality is strong.

The pneumatic material guiding structure based on dust collection bin discharging cooperation comprises an air pump, a first fixing base is arranged at the bottom of the air pump, and an air outlet end opening of the air pump is connected with a material guiding pipeline. By the adoption of the structure, pneumatic conveying is matched, negative pressure drainage is achieved, and dust materials are driven to rapidly enter the conveying structure to be continuously fed and inclined; when the dust materials are pulled under negative pressure, the materials are stirred and crushed cooperatively, hardened or bonded material blocks are crushed, the pneumatic conveying burden is reduced, and the conveying process is more stable; the device is simple and reasonable in overall structure, flexible to assemble and use and high in practicability.

The present invention relates to a wireless charging structure for mobile devices, including a top cover, a shell and a chassis, wherein an opening is provided at the top of the shell, and a coil and a support frame are provided inside; a PCB board and a motor are provided on the chassis, the motor is electrically connected to the PCB board, and a transmission assembly is provided between the motor and the top cover; the top cover is lifted and opened and closed on the opening of the shell through the cooperation of the transmission assembly and the motor; the mobile device is placed on the support frame when the opening is open, and wireless charging is achieved through the coil when the opening is closed. By using the cooperation of the transmission assembly and the motor, the top cover can be lifted and opened and closed on the opening of the shell, so that users can wirelessly charge different types and a large number of mobile devices at the same time, thereby improving the use range of the product and the user's experience; the top cover, and / or the shell, and / or the chassis are also provided with an anti-radiation coating, which can prevent radiation damage to the user, so that the user can wirelessly charge the mobile device safely and reliably.

The utility model discloses a photovoltaic support installation reverse rotation locking device which comprises a bearing mechanism, an adjusting mechanism and a limiting mechanism, the adjusting mechanism is arranged on the bearing mechanism, and the limiting mechanism is arranged on the adjusting mechanism; the adjusting mechanism is mainly composed of a lifting rod, a supporting seat and a photovoltaic panel mounting mechanism; the limiting mechanism is mainly composed of a limiting block, a bearing cylinder and a connecting rod. According to the utility model, the height of the photovoltaic panel can be adjusted by adjusting the lifting of the lifting rod; by rotating the lifting rod, the orientation of the photovoltaic panel can be adjusted; and by adjusting the photovoltaic panel mounting mechanism, the vertical orientation angle of the photovoltaic panel can be adjusted. In conclusion, the photovoltaic support installation reverse rotation locking device has the advantages of being simple and reasonable in structure and convenient and easy to use, multidirectional angle adjustment of the photovoltaic panel can be guaranteed, and convenience is brought to users.

The present invention relates to a drawer-type stable placing mechanism, comprising left and right slide rail assemblies and a holding device, wherein the holding device comprises left and right side panels, the side walls of the left and right side panels are basically vertical, the front and rear ends of the two side panels are respectively bent integrally with a front bending portion and a rear bending portion, the lower part is respectively provided with a lower supporting portion, and the lower supporting portion is provided with a leaning portion; the left and right side panels are respectively supported by left and right receiving members through the lower supporting portion; the left and right slide rail assemblies lean on the inner side of the leaning portion of the left and right side panels respectively during assembly; the outer sides of the left and right receiving members are respectively fixedly connected to the left and right side panels, and the inner sides shield at least part of the left and right slide rail assemblies; the front and rear ends of the inner sides of the left and right receiving members are respectively fixedly provided with a front connecting rod and a rear connecting rod; a spacing is formed between the left and right side panels, between the left and right receiving members, and between the front and rear connecting rods, and the holding space is formed by the spacing. By utilizing the above-mentioned improvement, the assembly stability between the left and right side panels, the left and right slide rail assemblies, the left and right receiving members, and the front and rear connecting rods can be improved.

The utility model relates to the technical field of power and material discipline testing, and discloses a target cabin for light-gas gun equipment, which comprises a target cabin body, a target cabin door arranged at the front end of the target cabin body, a drainage body arranged outside the target cabin door, a perspective window arranged in the middle of the target cabin body, and a speedometer arranged in the perspective window. The bottom of the target cabin body is arranged on the target cabin sliding rail through the target chamber sliding block support set, and the target cabin capable of moving front and back is movably formed. According to the utility model, the high-pressure gas at the tail part can be timely controlled to be drained and discharged through the peripheral holes in the drainage body after the projectile is launched at a high speed, and the disturbance to the target chamber after a large amount of high-pressure gas at the tail part flies out of the gun barrel is avoided. Operation and use are safe and reliable, and the economic effect is good; the injury to experimenters caused by accidents of high-pressure gas in the device in the high-pressure experiment process and after the experiment is finished can be avoided. And the dynamic high-pressure experiment of physical properties of shock waves and mechanical properties of material synthesis under high-speed collision can be met.

A stable opening and closing structure of a press-rebound device comprises a rebound bracket, a push element, and a sliding element. The rebound bracket is provided with a heart-shaped slide groove, the push element is provided with a sliding shaft portion, the sliding element elastically telescopically limits and slides on the pushing element and / or the rebound bracket, and acts and drives the sliding shaft portion to position and / or slide along the trajectory of the heart-shaped slide groove in a sequential direction when sliding, and is characterized in that: the sliding element is provided with a heart-groove sliding guide portion and an auxiliary component, the auxiliary component elastically positions and slides on the sliding element, and is provided with a heart-groove sliding buffer portion and a temporary portion. The present invention can simplify the assembly process of the press-rebound device through the improvement of the above structure, and can also avoid the loose assembly between the components of the rebound bracket, the push element, and the sliding element due to inaccurate production size and assembly position, and has strong practicality.

A regulating structure for a device receiving area comprises left and right side plates and a slide rail assembly, wherein the lower parts of the left and right side plates are respectively provided with a supporting part and a leaning part; the side plates can be detachably mounted on the slide rail assembly, and the slide rail assembly leans on the inner side of the leaning part during assembly; a receiving device is provided between the left and right supporting parts, and the receiving device comprises left and right bases, which are respectively supported on the left and right supporting parts and / or the left and right slide rail assemblies, and at least three cross bar telescopic assemblies arranged in front, middle and rear are provided between each other, and a longitudinal bar is provided between the front, middle and rear cross bar telescopic assemblies; when the front, middle and rear cross bar telescopic assemblies and the longitudinal bars are movable, they form a receiving area where devices can be placed and the longitudinal and / or lateral dimensions can be adjusted; a positioning adjustment component assembly is provided on the front cross bar telescopic assembly, and / or the middle cross bar telescopic assembly, and / or the rear cross bar telescopic assembly, and / or the longitudinal bar; the device is placed on the receiving area, and its side positioning acts on the positioning adjustment component assembly during placement.

The invention relates to the technical field of energy storage devices, and discloses a communication base station energy storage device based on a boost battery, which comprises an energy storage case, battery pack fixing corner brackets are fixedly arranged in the energy storage case at intervals, and the battery pack fixing corner brackets are used for fixing an energy storage battery pack for storing energy; the circulating turbine fan is fixed to the upper end of the energy storage machine box and communicates with an inner cavity of the energy storage machine box, an air suction disc is fixedly arranged in the energy storage machine box and used for being in butt joint and communicating with the circulating turbine fan, and a plurality of air suction openings are formed in the lower end face of the air suction disc at intervals; and a rectifying cavity connected with the upper circulating pipe is fixedly arranged at the upper end of the circulating turbofan. A low-temperature refrigerant is drained to the lower portion of the energy storage battery pack to be circulated through the plate-shaped cast hollow cooling plate formed through casting and the matched liquid cooling temperature control unit, and then heat convection circulation is formed through the circulating turbine fan and the pipeline matched with the upper circulating pipe and the lower circulating pipe.

The underwater blocking plate device based on dam construction comprises a blocking plate, one side of the blocking plate is provided with a plurality of water passing structures, a limiting seat and a plurality of supporting screw rods matched with the blocking plate in a threaded mode, the other side of the blocking plate is provided with a wall plate, and the wall plate is sleeved with a sealing sleeve. By the adoption of the structure, the blocking plate is good in sealing performance and tight in blocking under the water pressure effect, and deepwater operation is simplified; external water pressure is avoided after water is introduced, dismounting is convenient, and deepwater operation force consumption is reduced; the device is simple and reasonable in structure and convenient and fast to install, and reduces operation difficulty and time cost.

The utility model discloses a plasma operation electrode for treating rhinitis, and relates to the technical field of medical instruments. In order to solve the problems that solution instillation and waste suction are inconvenient and the ablation effect is poor in the existing rhinitis plasma ablation electrode, the following technical scheme is provided: the rhinitis plasma ablation electrode comprises an electrode tip, an electrode rod, a handle and a cable joint which are connected in sequence, the electrode rod comprises an inner tube and an outer tube, the tail end of the electrode tip is arranged between the inner tube and the outer tube, and the cable joint is connected with the handle. The inner tube and the outer tube extend into the handle; the tail end of the handle is connected with an instillation tube and a suction tube; an instillation hole is formed in an insulating head, close to the electrode tip, of the front end of the outer tube, and the instillation hole is communicated with the instillation tube through a gap between the inner tube and the outer tube; a suction hole is formed in the middle or the rear portion of the upper end face of the insulating head and communicated with the inner tube, and tissue generated in the operation is sucked out through the suction tube. According to the utility model, the performance of an operation tool is improved, the safety, efficiency and effect of an operation are improved, and a more effective and safer method is provided for treating rhinitis.

The utility model relates to the technical field of cosmetic packaging, in particular to a quantitative liquid outlet pressing pen which comprises a pen holder, a pen cap and a pressing and pushing assembly. A containing cavity for containing cosmetics is formed in the front portion of the penholder, an opening is formed in the front end of the containing cavity, a piston is arranged on the rear portion of the containing cavity, the pressing and pushing assembly is arranged at the tail of the penholder and used for pushing the piston to move, and a liquid outlet head is arranged at the opening. Limiting sliding grooves are formed in the two sides of the pen holder, sliding blocks are arranged on the pressing and pushing assembly and slide in the limiting sliding grooves, and quantitative liquid outlet is achieved by limiting the distance of the pressing and pushing assembly for pushing the piston. The limiting sliding groove is formed in the pen holder and can be matched with the sliding block to limit the moving stroke of the piston, and therefore accurate quantitative liquid discharging of cosmetics is achieved. According to the utility model, the problem of too much or too little liquid can be effectively avoided, the waste is reduced, and the use experience is improved. The utility model is suitable for sub-packaging, storing and smearing various liquid cosmetics, such as lip gloss, lip oil, fingernail essential oil, lipstick raincoats and the like.

The utility model relates to the technical field of power and material discipline testing, and discloses a launching device for high-speed light-gas gun equipment, which comprises a launching device body, a gas chamber of a piston is arranged in the launching device body, a gas chamber plug cover is arranged at one end of the gas chamber, and a body end cover is arranged at the other end of the gas chamber; a control valve plate set is arranged on the upper portion of the launching device body, a plurality of sliding block supports are arranged on the lower portion of the launching device body, and each sliding block support is arranged on a launching device sliding rail. Wherein the other end of the air chamber blanking cap is communicated with the air storage cylinder, and the air storage cylinder is fixedly connected with the launching device body through a bolt. Wherein one end of the body end cover is fixedly connected with the launching device body through a bolt, and the other end of the body end cover is provided with a quick connecting device communicated with a gun barrel; a first-stage bullet chamber corresponding to the gun barrel is arranged in the body end cover. The high-speed impact test device adopts the compressed medium light gas helium to drive the projectile to perform high-speed impact test, and is low in experiment cost and safe, simple and reliable to operate.

An improved storage device structure, the storage device includes a front connecting member, a rear connecting member, an assembly plate, and side panels arranged on the left and right; the side walls of the left and right side panels are provided with a notch, and the front and rear ends are provided with a front bending portion and a rear bending portion respectively; the front connecting member and the rear connecting member are respectively formed in one piece or separately provided with a front assembly portion and a rear assembly portion; the front connecting member is connected with the front bending portion and / or the left and right side panels, and a front assembly groove is formed between the front assembly portion and the left and right side panels; the rear connecting member is connected with the rear bending portion and / or the left and right side panels, and a rear assembly groove is formed between the rear assembly portion and the left and right side panels; the assembly plate is located inside the notch and fixed between the front assembly groove and the rear assembly groove; the front connecting member and the rear connecting member are also provided with a connecting groove and a hanging positioning portion, and the connecting groove is provided with an elastic-plastic portion with a certain elasticity or plasticity. The present invention can improve the structural strength and hanging stability of the storage device through the improvement of the above structure, and has strong practicality.

The utility model provides a partition plate for preventing short circuit of a battery busbar, which is arranged between a primary busbar and a secondary busbar of a storage battery plate group and comprises an insulating plate, the long side edge of the insulating plate is parallel to the length direction of the primary busbar, and the long side edge of the insulating plate is provided with a notch structure for providing a clearance space for an acid adding port of a storage battery. The device is simple and reasonable in structure and high in integrity, and is arranged between a primary busbar and a secondary busbar of a storage battery plate group, so that the primary positive busbar and the secondary negative busbar are prevented from being insulated and isolated, the primary positive busbar and the secondary negative busbar are prevented from being short-circuited, and the failure of a lead-acid storage battery is avoided; and the structure is simple, installation is easy, maintenance is convenient, applicability is wide, and application and popularization are facilitated.