72results about How to "Effective barrier" patented technology

The utility model relates to the technical field of flood control, and discloses a water-saving irrigation flood control device which comprises a dam, a supporting frame is fixed to the top of the dam, a limiting frame is installed on the inner side wall of the dam, and a gate used for flood control or irrigation is seamlessly inserted into the inner wall of the limiting frame. A water level sensor and a mesh box are installed on one side of the dam, a water pump used for water saving and drainage is installed in the mesh box, and the water outlet end of the water pump communicates with a drainage pipe located on the other side of the gate. A motor output shaft drives a second gear to rotate, a gate drives a sliding rod to move upwards, water passes through the gate from one side of a collecting box, the farmland on one side of the gate is irrigated through the water, and when flood comes, the gate shields one side of a dam at the moment, and the flood is prevented from entering an irrigation canal on the other side of the gate; the influence of flood on the growth of crops is avoided, the gate is controlled by the motor to rise, water flows from the collecting box to the farmland for irrigation, and the gate can be quickly closed when the flood comes.

The utility model discloses a Pick racket with a damping ring. The Pick racket comprises a racket part and a damping ring, the handle part is connected with the racket part; wherein the racket part comprises a panel layer and a main plate body, the main plate body comprises a main plate frame, a first damping ring, a first honeycomb plate and a second honeycomb plate, the first damping ring is arranged in an inner ring area of the main plate frame, and the first honeycomb plate is embedded in an area between the main plate frame and the first damping ring; the second honeycomb plate is embedded in the inner ring area of the first damping ring, and the first damping ring is arranged on the second honeycomb plate in a surrounding mode, so that vibration can be effectively blocked when a ball hitting point is located in the area of the second honeycomb plate, vibration transmitted to the handle part can be greatly reduced, and the comfortable ball hitting hand feeling of the Pick racket is guaranteed.

The utility model discloses a thermal insulation ceramic teapot, which belongs to the technical field of ceramic tea sets, and comprises a teapot cover, a teapot body and a spout arranged on the teapot body, a shielding component used for sealing the spout is arranged in the teapot body, the shielding component comprises a rotating seat and a plurality of shielding pieces, and the rotating seat is rotatably arranged at the bottom of the inner side of the teapot body. The shielding piece is fixed to one side of the rotating base and attached to the inner wall of the pot body, a driving base used for driving the rotating base to rotate is arranged on the pot body, and the shielding assembly capable of shielding the spout is arranged in the teapot, so that after a user adds tea, the spout can be closed, and the heat preservation material of the teapot is matched, so that the heat preservation effect of the teapot is improved. Heat can be effectively blocked by driving the base, the teapot has a good heat preservation effect, tea water in the teapot cannot be cooled even if the teapot is placed for a certain time, the blocking assembly can be operated by driving the base, and operation is easy and convenient.

The outdoor unit comprises a draught fan, a compressor assembly and a water module assembly, an air separation vertical plate is arranged between the draught fan and the compressor assembly, the water module assembly is connected with a water module assembling plate, and at least part of a plate body structure of the water module assembling plate is arranged between the compressor assembly and the water module assembly. An inner cavity of the outdoor unit is divided into a first cavity, a second cavity and a third cavity, the lower end of the air partition vertical plate and the lower end of the water module assembling plate are both connected with a chassis of the outdoor unit, and the top of the second cavity communicates with the top of the third cavity. According to the outdoor unit, the disorder degree of all parts in the outdoor unit is reduced to a certain degree, the water module, the compressor assembly and other parts can be conveniently disassembled, assembled and maintained, the compressor assembly and the water module assembly are arranged in the corresponding cavities in a concentrated mode, the space utilization rate in the outdoor unit can be improved, and correspondingly, the space utilization rate is increased. And the overall size of the outdoor unit can be reduced.

The invention discloses a vehicle door wheel cover sealing strip and a vehicle. The vehicle door wheel cover sealing strip comprises a body, a framework and a bubble pipe. A U-shaped structure is arranged on the inner side of the body, and the body is connected to the edge of a car door metal plate in a clamped mode through the U-shaped structure. The framework is arranged in the body and plays a supporting role in clamping the automobile door metal plate; the bubble pipe is connected with the automobile door metal plate through the body. And when the automobile door is closed, the bubble pipe and the side wall metal plate are attached to form wrapping, so that a barrier is formed between the automobile door metal plate and the side wall metal plate. The body is clamped on the automobile door metal plate through the U-shaped framework, the bubble pipe is connected with the automobile door metal plate through the body, and when the automobile door metal plate is closed, the bubble pipe is attached to the side wall metal plate and wraps the turned-over edge of the side wall metal plate; the structure is stable and reliable, the inside and the outside can be effectively blocked, the better blocking effect is achieved, and the sealing performance is greatly improved.

The utility model provides a multi-layer co-extrusion film for packaging, and relates to the field of co-extrusion films. The multi-layer co-extrusion film for packaging comprises a base layer, a blocking layer is fixedly connected to the surface of the base layer, a first nylon film is fixedly connected to the surface of the blocking layer, an adhesive resin layer is arranged outside the base layer, an aluminum foil layer is fixedly connected to the interior of the adhesive resin layer, and a second nylon film is fixedly connected to the interior of the aluminum foil layer. And the surface of the adhesive resin layer is fixedly connected with a second heat insulation layer. According to the multi-layer co-extrusion film for packaging, the first nylon film is high in tensile strength and tensile strength and large in moisture absorption performance, the moisture resistance of the co-extrusion film is improved, the overall tensile strength and tensile strength of the co-extrusion film are improved through the aluminum foil layer, sunlight irradiation can be reflected, damage of sunlight to food can be reduced, and the second heat insulation layer is good in heat insulation performance. External heat is isolated, the heat insulation capacity of the co-extrusion film is improved, food damage caused by high temperature is avoided, and the protection capacity of the co-extrusion film on food is improved.

The utility model provides a kind of aerogel air pipe assembly, comprising: heat dissipation component and connecting component, heat dissipation component is equipped with several groups same specification, several groups of heat dissipation component equidistantly install on four side surfaces of composite pipe body, heat dissipation component includes several groups of heat dissipation fin for heat dissipation, the side of mounting plate close to composite pipe body is equipped with several groups of heat conduction copper pipe, compared with prior art, the utility model has the beneficial effects as follows: by setting heat dissipation component, when actually using, the heat insulation layer and fire-retardant layer inside composite pipe body can effectively block heat, several groups of heat conduction copper pipe guide heat to the surface of several groups of heat dissipation fin, and heat is dissipated to the outside of composite pipe body by several groups of heat dissipation fin, so as to effectively discharge high temperature inside composite pipe body, the final effect is that heat inside composite pipe body can be effectively discharged, prolong the service life of air pipe main body.

The invention relates to the technical field of flame retardants, and discloses a preparation method and application of a modified silicate flame retardant. A nitrogen-phosphorus-silicon diquaternary ammonium salt intercalant contains a diquaternary ammonium salt structure, which can replace sodium ions in montmorillonite to realize ion exchange, expand the interlayer distance and reduce the surface energy of the lamellae, thereby improving the affinity between the macromolecular chain and the silicate, reducing the agglomeration tendency of the montmorillonite, and making it easier to obtain montmorillonite particles with a smaller particle size and more uniform distribution; in addition, the intercalant improves the dispersion of the montmorillonite in a polyethylene matrix to form a peeling lamellae, which plays an effective barrier role in the combustion process of the polymer; the nitrogen-phosphorus-silicon structure itself also has an expansion flame retardant effect, which promotes the enhanced modification effect of the montmorillonite on the polyethylene; the modified silicate flame retardant prepared by the invention can also be directly applied to other polymer processing processes, with low production cost and easy implementation.

This utility model relates to the field of toilet technology, and more particularly to a vacuum toilet deodorization and noise reduction device. It includes a negative pressure toilet, with a waste storage tank located at the rear of the toilet. A vacuum pump is installed on the top of the waste storage tank, and the vacuum pump is connected to the negative pressure toilet via a waste delivery pipe. An air outlet pipe is installed on the air outlet on one side of the top of the waste storage tank. This utility model utilizes a negative pressure vacuum self-priming pump, which guides the generated airflow to a bottom channel. This changes the traditional method of vacuum pumps where airflow is directly discharged at high speed from the side or top of the pump body. This optimized design avoids high-frequency noise generated by high-speed impact on the pump body and surrounding components during airflow discharge. Previously, directly discharged airflow would impact surrounding structures with significant force, creating harsh noise. However, guided by the bottom channel, the airflow enters the waste storage tank more smoothly, reducing noise sources caused by airflow impact, thereby effectively reducing the overall noise level of the device during operation.

The utility model relates to the technical field of high-temperature molten metal blocking, and discloses a high-temperature molten metal leakage blocking device which comprises a supporting table, the upper surface of the supporting table is fixedly connected with a storage barrel, the surface of the supporting table is provided with a circle of movable groove, and the storage barrel is fixedly connected with the movable groove. A circle of baffle plates are arranged in the circle of movable grooves in a sliding manner; the two side faces of the supporting table are each fixedly connected with a set of fixing plates, a screw rod is rotationally connected between one set of fixing plates, the surface of the screw rod is sleeved with a thread sleeve in a threaded mode, one end of the thread sleeve extends into the movable groove, and the end of the thread sleeve and the baffle are detachably installed; when the device is used, leaked high-temperature molten metal can be effectively blocked, meanwhile, a blocking plate for blocking can be rapidly mounted and dismounted, and the blocking plate can be conveniently replaced or cleaned.

The utility model discloses a modularized cylindrical protection device, and relates to the technical field of mechanical transmission safety protection, in particular to a modularized cylindrical protection device suitable for a coupler between a centrifugal pump and a driver. The device is arranged outside a coupling between a centrifugal pump and a driver; the modularized cylindrical protection device is fixedly connected with the centrifugal pump through the detachable supporting plate module. The modularized cylindrical protective device is a protective cover main body. The shield body is of a cylindrical structure formed by bending a plate-shaped structure with certain strength, and the plate-shaped structure is connected into the cylindrical structure in a fastened mode through the fast-assembly fastening unit. The shield body is fixedly connected with the centrifugal pump through the detachable supporting plate module. A hasp type maintenance skylight module is arranged on the shield main body; and a replaceable lengthened section module is assembled on the shield main body. According to the technical scheme, the problems that in the prior art, installation is complex, protection performance is insufficient, and maintenance is inconvenient are solved.

The invention belongs to the field of permanent magnet motors, and particularly relates to a permanent magnet synchronous servo motor and a shell assembly thereof. The rear side of the output shaft is fixedly connected with a rotor iron core, the outer side of the rotor iron core is fixedly connected with four groups of permanent magnets, the four groups of permanent magnets are uniformly arranged on the outer side of the rotor iron core in a circumferential array shape, the outer side of the rotor iron core is sleeved with a stator iron core, and the stator iron core is fixedly connected with the rotor iron core. A winding is wound on the stator iron core; the end part of the rotor core is provided with a heat dissipation cleaning structure, the heat dissipation cleaning structure comprises a front fan blade, and the front fan blade is fixedly connected to the front end of the rotor core; the problems that although an existing permanent magnet motor replaces a low-torque working condition through output high torque, heat is still inevitably generated in the working process of the permanent magnet motor, and if the heat cannot be timely discharged to the outside of the permanent magnet motor, the permanent magnet motor is burnt out due to working under the high-temperature working condition for a long time are solved.

This invention relates to the field of tunnel disaster prevention and rescue technology, and in particular to a folding airbag device and its method of use for sealing off smoke from train fires in tunnels. The device includes a train consisting of a driver's cab and multiple carriages, and several identical folding airbag devices. These devices are arranged sequentially at intervals from the first to the last end of the carriages and are all fixed to the top of the carriages. In the event of a fire, the folding airbag device of this invention effectively seals off smoke, creating an effective isolation layer and increasing evacuation time for passengers in carriages that have not yet caught fire. It has the advantages of rapid response and high smoke blocking efficiency, effectively extending the available safe evacuation time for passengers in carriages that have not yet caught fire, reducing the harm of fire smoke to passengers, and improving the safety and reliability of trains in railway tunnel fire accidents.

The utility model discloses a novel medicine bottle temporary storage conveying device which comprises a temporary storage conveyor, a first conveying belt and a second conveying belt which are opposite in conveying direction are arranged on the temporary storage conveyor side by side in the length direction, the conveying head end of the first conveying belt is a feeding end, and the conveying tail end of the second conveying belt is a discharging end. A moving assembly driven by power is arranged on the portion, away from the feeding end and the discharging end, of the temporary storage conveyor in the length direction of the temporary storage conveyor, a guide block is horizontally and movably arranged above the two conveying belts and fixed to the moving assembly, a telescopic baffle is arranged between the two conveying belts, and a telescopic part of the telescopic baffle is fixed to the moving assembly. And a material passing gap is formed between the guide block and the telescopic part. According to the device, the size of the buffer area can be adjusted in real time according to the flow of the medicine bottles, then the problems of material blockage or bottle falling and the like are prevented, the medicine bottles entering the buffer area are first-in first-out, and the problems of medicine bottle retention and the like are effectively avoided.

The utility model relates to the technical field of protection devices, and discloses a door and window protection device which comprises a window frame, a controller is arranged on one side of the interior of the upper end of the window frame, three top frames distributed at equal intervals are installed on one side of the interior of the lower end of the window frame, and electric push rods are rotatably installed at the lower ends of the top frames. A connecting frame is mounted at the lower end of the electric push rod, and the connecting frame is rotationally connected with the electric push rod; the fixing plate is arranged on the right side of the lower end of the window frame, the fixing plate is rotationally connected with the window frame through a hinge, a telescopic plate is slidably mounted in the lower end of the fixing plate, and the telescopic plate is fixedly connected with the connecting frame; the rainfall sensor is arranged outside the upper end of the window frame. The rain sensor is arranged to be matched with the electric push rod to push the baffle structure, the function of preventing rainwater accumulation is achieved, and then doors and windows are protected.

A method of manufacturing a product (P), wherein said method comprises the steps of: preparing a multilayer element (1) comprising at least 80% of a non-extruded material (2) in solid phase and comprising at least one layer (2) which is barrier to liquids and / or oxygen; housing the multilayer element (1) in a mould (100) between a female portion (101) defining a forming cavity (102) and a punch (103) movable along a first longitudinal axis (X); compressing the multilayer element (1) by displacing the punch (103) towards a bottom wall (102a) of the cavity (102); and moving at least one lateral slide (104) of the female portion (101) defining the forming cavity (102) towards said punch (103); the step of moving the lateral slide (104) is performed so as to compress the multilayer element (1) between the slide (104) itself and the punch (103).

The utility model discloses a portable food processor, including the host computer that is equipped with motor and the juicer cup of detachable establishment in host computer top, host computer includes upper cover, the base fixedly connected in upper cover below, motor is fixed in upper cover, motor below is equipped with with motor electricity connection's circuit board and support in circuit board below's fixed bolster, and circuit board and fixed bolster clamping fixed between upper cover and base, and circuit board outer edge is adjacent with the shell inner side wall setting, and the accommodating cavity is formed between fixed bolster and base, and the battery for power supply is equipped in accommodating cavity, make the radial dimension of circuit board can do bigger, thereby for the more functional element of integrated on the circuit board provides the space, help to further promote the overall performance and intelligent level of portable food processor, can also avoid the radial dimension of whole machine to be big while increasing the radial dimension of circuit board, not only improve the compactness of host computer internal structure, can also make host computer radial dimension miniaturization.

The invention discloses a laser additive manufacturing titanium-steel multi-material component, a device and a method thereof. According to the laser additive manufacturing titanium-steel multi-material component, element diffusion is inhibited through a middle layer, and interface bonding and forming performance are improved. The laser additive manufacturing titanium-steel multi-material component comprises a titanium alloy layer, a middle layer and a stainless steel layer, wherein the middle layer comprises an elemental metal Ce layer and an elemental metal Cr layer; the titanium alloy layer, the elemental metal Ce layer, the elemental metal Cr layer and the stainless steel layer are sequentially deposited through a laser directional energy deposition process. Therefore, according to the intermediate layer, the elemental metal Ce layer and the elemental metal Cr layer are designed, diffusion of Ti elements in the titanium alloy layer and Fe elements in the stainless steel layer is blocked through the characteristic that Ce and Cr are mutually soluble, and good metallurgical bonding between different materials is achieved; the problems of interface cracking, holes and the like caused by brittle intermetallic compounds when titanium alloy and stainless steel are directly connected are solved.

The invention discloses a vegetable stuffing machine with a meat-mincing function, comprising a base; a driving motor, which is arranged in the base; a first container, which is arranged on the base and has an opening at one end; a rotating shaft, which is arranged in the first container and driven to rotate by the driving motor; a second container, which has an opening at one end and is detachably arranged in the first container; a meat-mincing knife group, which is arranged in the second container, and one end of the meat-mincing knife group is detachably plugged with the rotating shaft and can be driven to rotate by the rotating shaft; a vegetable-mincing knife group, which is plugged with the rotating shaft at one end in the first container after the second container is taken out and the meat-mincing knife group is disassembled from the rotating shaft; and a cover body, which is arranged on the first container and covers the openings of the first container and the second container. When mincing meat, the meat is put into the second container, and the meat-mincing knife group in the second container is used to mince the meat. When mincing vegetables, the second container and the meat-mincing knife group are taken out, the mincing knife group is inserted into the first container, plugged with the rotating shaft, and the vegetables are put into the first container to mince the vegetables.

The utility model relates to the technical field of power transmission, in particular to a combined cable which comprises a first cable assembly, the first cable assembly comprises an outer coating layer, a first insulating layer, a copper conductor, a winding layer, a polytetrafluoroethylene tape and a mylar layer which are sequentially arranged from outside to inside, and an accommodating space is formed in the outer coating layer; according to the invention, through the arrangement of the outer coating layer, the first insulating layer, the copper conductor, the winding layer, the polytetrafluoroethylene tape, the mylar layer and other components, the winding layer can perform electromagnetic shielding on the copper conductor through a double-helix structure through the mutual cooperation relationship between the winding layer and the copper conductor; therefore, the device can effectively block the screened electromagnetic interference through the electromagnetic shielding structure formed by the winding layer. And meanwhile, the polytetrafluoroethylene tapes are wrapped in a close-packed manner, so that the insulating property of the cable is enhanced.

The utility model discloses a bell jar uniform cup and a bell jar type glaze pouring device.The bell jar uniform cup comprises a cup body and a discharge port, the cup body is provided with a cup opening, the cup opening is used for allowing glaze slip to flow in, the discharge port is formed in the side wall of the cup body, and the discharge port is used for discharging the glaze slip. The discharge outlet is formed in the side wall of the cup body, so that the glaze slip outflow mode is changed, the glaze slip flows out of the discharge outlet of the cup body, floating objects are effectively blocked in the cup body, the glaze pouring quality is improved, the structure is simple, and practicability is high.

This utility model relates to the field of drilling equipment technology, specifically a water-cooled drilling device for castings, used for drilling holes in castings. It includes a drilling device, a fixed base, a chip removal spray gun, a collection frame, a liquid collection chamber, a filter screen, mounting components, and a sealing component. This utility model, by setting up an external cooling unit, an internal cooling unit, and a chip removal spray gun, can promptly clean debris when the casting area is too large. The collection frame and liquid collection chamber around the fixed base effectively collect the used coolant, facilitating subsequent cleaning of the drilling platform. The filter screen in the liquid collection chamber filters the collected coolant. The mounting components facilitate the installation and removal of the filter screen. The sealing component effectively blocks unfiltered coolant when replacing the filter screen, ensuring the filtration accuracy of the coolant. The filtered coolant is then used in the external cooling unit and the chip removal spray gun, reducing coolant usage costs to some extent.

The utility model discloses an aluminum alloy door and window easy to escape, relates to the technical field of aluminum alloy doors and windows, and solves the problems that when a push-pull type aluminum alloy door and window is opened, the actual space of the push-pull type aluminum alloy door and window is only half of the size of a whole window body, and if people need to escape in an accident, the space of the push-pull type door and window can bring great limitation. An aluminum alloy door and window facilitating escape comprises an outer frame; the outer frame is of a rectangular frame structure. A group of mounting plates are arranged between the left and right groups of rectangular grooves in the inner wall of the outer frame; the mounting plate adopts a rectangular plate structure; the two sides of the front wall of the mounting plate are each fixedly provided with a set of second pin blocks of a U-shaped block structure. A limiting plate of a rectangular plate structure is fixedly arranged in a set of rectangular grooves in the front side of the top of the mounting plate. Two groups of positioning plates are fixedly arranged in the two groups of rectangular grooves in the rear side of the top of the mounting plate; and people can conveniently escape, the escape requirements of people with different body types are met, and more escape time can be gained.

The present invention relates to a dust and aerosol generator and a testing device, wherein the dust and aerosol generator comprises: a blow pipe (1), a gas flow valve (2) connected to the inlet end of the blow pipe (1), a diffusion box (3) connected to the outlet end of the blow pipe (1), a feed structure (4) connected to a feed port on the side wall of the blow pipe (1), and a single chip control component (5) connected to the feed structure (4) and the gas flow valve (2) respectively; the inlet of the gas flow valve (2) is connected to a compressed gas source; the blow pipe (1) adopts a venturi tube, wherein the feed port is arranged in the throat negative pressure area of ​​the venturi tube. The present invention can stably realize micro-feeding and precise concentration control, and also has the advantages of low manufacturing and use costs.

The utility model discloses a passive house outer wall decorating plate splicing structure, and relates to the field of passive house building products, the passive house outer wall decorating plate splicing structure comprises a light steel keel arranged on the inner side and an outer wall plate arranged on the outer side, a heat preservation layer is arranged between the light steel keel and the outer wall plate, the light steel keel, the outer wall plate and the heat preservation layer are assembled into a whole, and the heat preservation layer is formed by splicing a plurality of heat preservation plates. A splicing seam is arranged between every two adjacent heat preservation plates, a breathable film is laid on the side, facing the outer wall plate, of each splicing seam, and the breathable films are connected between the heat preservation layers and the outer wall plate in a clamped mode; after assembly, the splicing seam is filled with sealant. The breathable film is laid on the side, facing the external wall panel, of the splicing seam, the breathable film is arranged between the heat preservation layer and the external wall panel, so that external gas is effectively blocked, the gas blocking area is increased by increasing the length of the breathable film, and compared with an existing design, the breathable effect is better achieved.

The utility model discloses an efficient multifunctional slurry pump which comprises a waterproof motor, a pump body is installed at the bottom end of the waterproof motor, a liquid inlet pipe is installed at the bottom end of the pump body, a positioning disc is connected to the outer side of the liquid inlet pipe in a sleeved mode, and a threaded ring is connected to the bottom of the outer side of the liquid inlet pipe in a threaded and sleeved mode. A connecting rod is welded to the bottom end of the threaded ring, a base plate is welded to the bottom end of the connecting rod, an embedding groove is formed in the bottom end of the base plate, a sliding groove plate is embedded into the inner side of a clamping groove, and a sliding plate is slidably connected to the inner side of the sliding groove plate. And at the moment, after the pump body goes deep into water, the sliding plate and the sliding groove plate can be supported at the top position of sludge, so that the pump body is prevented from sinking, it is guaranteed that the sludge at the bottom cannot block the liquid inlet pipe, then it is guaranteed that the pumping-out process can be conducted smoothly, and the water pumping efficiency is improved.

The invention discloses a simple and convenient quantitative inoculation needle for field fungi, and relates to the technical field of strain inoculation tools. The upper end of a joint is connected with the working end of a liquid quantitative control flowmeter, a lower end opening of the joint is communicated with the upper end of a connecting pipe, the peripheral surface of the connecting pipe is in sliding connection with a sleeve, and the lower end of the sleeve is communicated with a puncture body; and a fastening nut is movably mounted at the upper end of the sleeve. According to the simple and convenient quantitative inoculation needle for the field fungi, through dual distance control of the sleeve and the limiting rod, when the multiple puncture bodies conduct fungus inoculation on fruits, the puncture depths of the multiple puncture bodies can be kept consistent, and operation is convenient; meanwhile, the protection assembly which can be arranged in a telescopic mode can meet the requirement for the field inoculation environment, external infectious microbes can be effectively blocked, and the environmental adaptability is high.

The utility model provides a high-elastic vibration reduction partition wall keel structure which comprises a supporting part located in the middle, extending parts connected to the two ends of the supporting part and bending parts vertically connected to the outer ends of the extending parts. The supporting part comprises a U-shaped plate with an upward opening and a supporting part body which is connected to the bottom end of the U-shaped plate and provided with a downward opening. The extending part is connected to one side of the connecting part, an elastic part arching towards the opening direction of the U-shaped plate is arranged on the extending part, and a first elastic space is defined by the elastic part, the supporting part and part of the extending part. And the arching direction of the elastic part is the same as the extending direction of the bent part. And the space between the bending part and the supporting part is used for placing the fireproof sound-insulation rock wool board. The elastic part and the extending part abut against the position between the two spliced fireproof sound insulation rock wool boards. According to the high-elastic vibration reduction partition wall keel structure, the use defects of an existing vibration reduction keel can be overcome, the vibration reduction and sound insulation effects of a partition wall are improved, the machining difficulty is reduced, and the use effect and stability of the partition wall are improved.

The utility model relates to a double -deck vacuum heat reflection vacuum cup, characteristics are including inner container, outer container and cup cover etc., the inner container with the outer container top fixed connection, the outer container top thread connection has the cup cover, the inside of outer container is paved with metal plating layer, the inside of cup cover is provided with the cavity, and the inside of cavity is paved with metal plating layer, metal plating layer is used for reflecting infrared radiation, the cup cover is provided with the pressure -relief subassembly for the communication inside and outside of the inner container, the advantage is through the inside of outer container is paved with metal plating layer, and the metal plating layer is simultaneously set up in the cavity of cup cover, forms heat radiation reflection barrier, reduces the heat through infrared radiation and spreads, thereby realizes more efficient heat energy barrier, reaches the purpose that promotes the heat preservation performance.