37 results about "Double decker" patented technology

According to the double-layer sliding outdoor grill, a first barbecue wire mesh outer box is driven by a sliding assembly to slide up and down above a charcoal grill in a reciprocating mode, the phenomenon that food materials are excessively burnt or hardened due to long-time contact with high temperature can be reduced, meanwhile, the baked food materials can be subjected to heat preservation, and the heat preservation effect is good. According to the outdoor barbecue grill, the second barbecue net outer box is driven by the sliding assembly to horizontally slide above the charcoal grill in a reciprocating mode, all parts of food materials can be evenly heated, and the barbecue efficiency is improved. The barbecue device is characterized by being composed of a barbecue net assembly and a sliding assembly, and the barbecue net assembly is composed of a first barbecue net, an oil filtering hole, a first barbecue net outer box, a first connecting round rod, a first sliding block, a cross-shaped support, a supporting fixing block, a first sliding groove, a second sliding groove, a second barbecue net outer box, a second barbecue net, a second sliding block and a second connecting round rod; the cross-shaped support comprises a transverse supporting rod and a vertical supporting rod, and the middle of the transverse supporting rod is perpendicular to the middle of the vertical supporting rod.

The utility model discloses a double -deck chassis gathers together and pushes the cart, including four bottom pipes of four bottom of four corners are equipped with the standpipe and folding chassis, is equipped with the folding frame between two standpipes of front side or back side, the folding chassis includes the base and four bottom pipes of one end swing riveting in the base four corners, the bottom pipe includes the double -deck structure of upper pipe, lower pipe parallelly arranged, four bottom pipes another end respectively four standpipe lower end swing riveting. This handcart adopts the collapsible design, and the front side, back side and bottom can all be folded, and the whole vehicle is gathered together after folding small, and it is favorable to store and transport, also convenient for user to carry outside, bottom folding frame adopts the double -deck structure of upper pipe, lower pipe, and is connected with the front side, back side, and the double -deck structure makes the handcart firmness high, and the stability of the transported article is strong.

The utility model discloses a portable test tube rack which comprises a bracket, the bracket is configured to be of a double-layer structure, a test tube can be placed on the upper layer, a sliding space is formed in the lower layer, a water tank capable of sliding is arranged in the sliding space, and a second handle is installed at the end of the water tank; the test tube rack assemblies are vertically fixed at the upper end of the bracket, a plurality of test tubes can be vertically placed at one end of each test tube rack assembly, and a plurality of test tubes can be obliquely placed at the other end; pull rods are connected to the two ends of the bracket through rotating shafts, and first handles are arranged at the ends of the two pull rods. The portable test tube rack disclosed by the utility model is simple in structure, test tubes are placed and limited by arranging the placing groove and the first clamping ring, and the portable test tube rack is not easy to shake and good in stability during movement; a second clamping ring which is obliquely arranged is matched with a limiting block, so that the cleaned test tube can be obliquely placed, water flowing out of the test tube is drained into a water tank through a water seepage hole, and convenience is provided for drying the test tube.

The utility model discloses a silent generator set with a multi-stage noise reduction mechanism. The silent generator set comprises an outer shell, a power unit, a multi-stage noise reduction assembly and an installation frame. The outer shell adopts a double-layer structure and an elastic connecting piece to reduce vibration transmission, and the power unit is installed through a damping cushion block and a sliding rail and is convenient to maintain. The multi-stage noise reduction assembly comprises a first-stage silencer, a second-stage resonant cavity and a third-stage sound absorption plate which are used for controlling high-frequency noise, intermediate-frequency noise and low-frequency noise respectively. The air inlet flow guide cover and the air outlet axial flow fan optimize the airflow path, and airflow noise is reduced. The supporting legs are adjustable and are provided with anti-skid rubber pads, so that the stability is improved. Through multi-stage noise reduction and structure optimization, the noise problem is remarkably improved, the system is suitable for industrial and civil scenes, and quiet and comfortable experience is provided.

The utility model belongs to the technical field of paper tube production, and particularly relates to a resin paper tube draining and wiping device which comprises a support of a double-layer structure, a U-shaped frame is arranged on the middle layer of the support, and a draining net and a wiping cloth belt connected with the left end of the draining net are arranged in the U-shaped frame. The positions, close to the inner side wall of the bottom of the U-shaped frame, of the top faces of the front end and the rear end of the draining net are each provided with a baffle, a plurality of partition plates fixed to the top face of the draining net are arranged between the two baffles at equal intervals, the right end of the draining net is in non-contact connection with a feeding conveying belt, and the left end of the wiping cloth belt is in non-contact connection with a discharging conveying belt. And an air supply assembly is arranged on the top layer of the bracket. The material pushing type conveying system is adopted, efficient material conveying can be achieved in a limited space, the material pushing type conveying system can be adjusted to adapt to parts of different sizes and shapes, adhesion of paper tubes is prevented through the vibration motor and the elastic support, the draining efficiency is improved, and resin dripping beads formed at the bottoms of the paper tubes in the draining process are wiped through the wiping cloth belt.

The utility model discloses an LED display screen electric control cabin with a double-layer protection heat dissipation structure, which comprises an electric cabin shell, the electric cabin shell comprises an outer shell and an inner shell, the inner shell forms an inner layer space for accommodating a driving board card and a power supply block, and an outer layer space is formed between the inner shell and the outer shell. The electric control bin is of a double-layer structure made of a high-heat-conductivity corrosion-resistant metal material, an inner-layer space is used for containing a driving board card and a power supply block, heat generated in the inner-layer space is exchanged with external air through metal plates with high heat conductivity on the inner layer and the outer layer, and the double-layer protection space has the protection strength and the air tightness higher than those of a single-layer shell. The long-term reliable and stable working environment of the display screen driving board card is improved, and the quality of the display screen is further improved.

The utility model relates to the technical field of vehicle-mounted articles, in particular to a vehicle side fan-shaped tent which comprises a tent framework and tent cloth, a rotary supporting arm and an auxiliary supporting block of the tent framework correspond to each other up and down and are both of an inverted-T-shaped double-layer structure, and an inner notch used for installing an embedded LED lamp strip is formed in the bottom face of the lower layer of the auxiliary supporting block. At least two sets of fixing pieces are fixedly connected between the lower layer of the rotary supporting arm and the upper layer of the auxiliary supporting block. The rotary supporting arms and the auxiliary supporting blocks are each of an inverted-T-shaped double-layer structure, the multiple sets of fixing pieces are arranged between the rotary supporting arms and the auxiliary supporting blocks, the structural strength and connection firmness of the rotary supporting arm units are enhanced, the windproof capacity is higher, meanwhile, the inner notches are designed in the bottom faces of the lower layers of the auxiliary supporting blocks, LED lamp strips are embedded in the inner notches, and therefore the LED lamp strips are more attractive. Light can be prevented from being blocked during opening, and the utilization rate of the light is improved.

The utility model discloses a double -deck structure electric cabinet, including rear box, front box and front door, install high -voltage device, DC power supply and high -power heat abstract component in the rear box, install DC component device in the front box, and the front door is used to show the inside operation state of front box, the rear box is connected through the hinge with the front box, and the side plate of rear box is equipped with special lock and front box linkage locking, the front door is connected with the front box through the hinge, and the rear box back is equipped with standardization draw -in groove. The utility model discloses scientific and reasonable structure design, realizes the physical isolation of high -voltage and low -voltage device through the chamber design of rear box and front box, solves the low space utilization rate and the serious problem of electromagnetic interference of traditional electric cabinet, improves the space management efficiency and equipment operation stability, and the front door covers transparent PC board, can show the inside operation state of front box in real time, reduces the frequent cabinet operation.

The utility model discloses a heat dissipation type cabinet body of uninterrupted power supply system, including cabinet, layering baffle, the both sides of cabinet are provided with the side wall of double -deck structure, the side wall includes outer layer wall, inner layer wall, the outer layer wall with the inner layer wall between form heat dissipation cavity, a plurality of both sides of layering baffle end respectively embed in corresponding side heat dissipation cavity, the inside space of cabinet is divided into a plurality of independent sub -space, layering baffle includes surface layer board, bottom layer board, be provided with a plurality of square tubes between surface layer board with bottom layer board, all be provided with air hole on the both side walls of square tube, be provided with surface layer hole on surface layer board, be provided with perforation on bottom layer board, the perforation, surface layer hole, heat dissipation cavity are connected through air hole between.

The utility model discloses a double -deck structure gasket, including the gasket main part, the gasket main part is circular ring shape setting, and its inside is hollow setting. The utility model belongs to the technical field of sealing element, and specifically is a double -deck structure gasket that has solved the problem of traditional single -layer gasket only paying attention to sealing performance, lacking buffer shock -absorbing function, being easy to deform or creep under high -pressure, vibration or temperature fluctuation working condition, leading to the sealing failure.

The present invention relates to a double-layer-structured small inverter for an electric vehicle. The present invention comprises: a base panel; a board part manufactured to be divided into a first board part and a second board part while a plurality of boards and heat sinks are mounted on the inner lower surface of the base panel; a case which has a digeut-shape from a side view, and of which both ends are mounted on the base panel so as to accommodate the board; and a front part and a rear part mounted to block the open front and rear of the case, and thus a plurality of boards mounted inside the base panel and the case are arranged to be upright and stacked, and some boards are divided to reduce the overall size so that manufacturing in a compact size is possible.

The invention discloses an anti-collision vehicle frame structure which comprises two parallel longitudinal beam structures, a front protection structure is arranged at one ends of the two longitudinal beam structures, and a rear protection cross beam is arranged at the other ends of the two longitudinal beam structures. The side protection structure is arranged to replace a traditional side protection beam, a rolling accident is prevented, in the collision process, the buffer unit on the stress frame buffers the collision force, then the first energy absorption box absorbs energy, the impact force borne by the side of the longitudinal beam structure is reduced, the situation that the impact force resistance of the side of a vehicle frame is poor is made up, and the anti-collision performance of the side is improved; according to the longitudinal beam structure, the double-layer structure composed of the main beam plate and the reinforcing beam plate is adopted, after optimization, the overall weight can be reduced, the requirement for bearing force is not affected, the multiple inner supporting units are arranged on the inner side of the main beam plate and the inner side of the reinforcing beam plate and used for compensating for inner side supporting force, and the crushing opening is formed in the bottom of the position of the front beam plate in the longitudinal beam structure; and a guiding path for downward deformation of the front end of the longitudinal beam is provided to protect a cab.

The utility model relates to the technical field of inflatable pad, especially a double outdoor inflatable pad, including the inflatable pad main body and inflatable nozzle main body of double -deck structure, the inflatable pad main body includes the outer layer, the inner wall of outer layer is pasted with the inner layer through the glue, the utility model has the advantages that the threaded pipe is rotated and makes it along the second internal thread exit assembly pipe, and the fixed of inflatable nozzle main body is removed, then rotates the inflatable nozzle main body and makes it along the first internal thread separate from the assembly pipe. The cooperation of the sealing ring and the sealing groove ensures that the sealing structure will not be damaged during disassembly. This design completely avoids the defects of traditional glue bonding, and the inflatable nozzle can be quickly replaced when damaged without the need for professional tools or glue repair. The double protection structure of the blocking ring and the protective ring prevents damage to the air inlet pipe of the inflatable nozzle main body during disassembly, and the reverse thread design of the threaded pipe ensures firm fixation and easy operation, significantly improving the maintenance convenience and service life of the inflatable nozzle.

The application discloses a double-layer saw-tooth de-fur machine, which comprises an upper working box, an upper rib, an upper saw cylinder, an upper de-fur part, an upper de-fur part, a lower working box, a lower rib, a lower saw cylinder, a third de-fur knife, a wedge-shaped space between the third de-fur knife and the lower saw cylinder, a de-fur area, a de-fur assembly and a wind nozzle. The double-layer saw-tooth de-fur machine has a relatively compact structure.

The application relates to the technical field of mercerizing machines, in particular to a double-layer running mercerizing machine which comprises a soaking alkali box, a medium alkali box and a cleaning box, the medium alkali box is located between the soaking alkali box and the cleaning box, the top of the soaking alkali box is provided with a cloth stretching mechanism, and the inside of the soaking alkali box is provided with a soaking alkali mechanism. The output ends of multiple electromagnetic relays drive the upper and lower clamps to move to the middle, so that the two upper and lower clamps clamp the edges of the cloth, with the cloth stretching strips moving to the right, the cam pin slides along the straight groove, thereby pulling the two cloth stretching strips forward and backward, the two cloth stretching strips move forward and backward along the two sliding blocks, thereby driving the multiple clamps to move together, thereby the cloth is pulled, the weaving lines of the cloth become loose, and meanwhile, the pulling of the multiple clamps on the front and back of the cloth makes the cloth always stay in the middle of the soaking alkali box, thereby avoiding the occurrence of the cloth deviation problem.

The utility model discloses a reinforced packaging carton with a double-layer structure, which comprises a carton body and a carton cover arranged on the carton body, and the carton body comprises an outer carton body and an inner carton body arranged in the outer carton body. At least one first [-shaped reinforcing frame and at least one second [-shaped reinforcing frame which are vertically arranged in a staggered manner are fixedly connected between the outer box body and the inner box body, a first buffer layer is filled between the outer box body and the inner box body, the box cover comprises an outer box cover and an inner box cover arranged in the outer box cover, and a second buffer layer is filled between the outer box cover and the inner box cover. The reinforced packaging carton with the double-layer structure adopts the double-layer structure and is provided with the reinforcing frame, and the buffer layer is filled between the two layers, so that the structural strength of the whole packaging carton is remarkably enhanced, the bearing capacity of the carton is improved, external impact force can be effectively resisted, and the service life of the carton is prolonged. The paper box is prevented from being deformed or damaged due to stress in the transportation or storage process, and the damage risk caused by vibration or collision can be reduced.

The utility model discloses a low altitude umbrellaless delivery air drop box, including box and lid, box and lid cooperate with each other, and the upper portion of box side edge and the lower portion of lid side edge are equipped with convex edge and recess respectively, and box is double -deck structure, and the lid is also double -deck structure, and the inside of box and lid is equipped with batten, and box and lid all adopt hollow structure and are coated with high elasticity polyurea coating outside, so this can effectively reduce the weight of air drop box itself, and raw material adopts ultrahigh molecular weight polyethylene, and is coated with elastomer outside, absorbs the impulse when low altitude delivery falls to the ground, can good protection transportation and improve the reusable number of delivery box, and through the installation of breather valve, through the mode of discharging the air in the cavity can absorb the impact potential energy during the landing process, reduce the impact that the box receives, namely, when landing, the cavity is extruded to make the internal gas release to the box outside to realize energy conversion, slow down the impact, protect the safety of goods.

The utility model discloses a pet ladder, including at least one folding subassembly, two symmetrical distribution's installation component and a plurality of ladder board module, two installation components are connected through folding subassembly at the top, make two installation components can be relatively downwardly overturned and form folding, each installation component is equipped with at least one ladder board module, and the ladder board module includes the ladder board and the connector of setting at the both sides of ladder board, and the connector is integrally formed with the ladder board to form the modular structure, and the ladder board module can be flexibly distributed and installed according to the length of first reinforcing framework, second reinforcing framework, and the installation component includes two first reinforcing frameworks, and the connector is hollow inside to form a connecting groove, and the ladder board module is composed of plastic material, and the installation component is composed of metal material, and the connector is sleeved on the outside of first reinforcing framework in the sliding mode through the connecting groove, forms double -deck structure, and this connecting mode can effectively improve the rigid strength of pet ladder, improves the life.

The utility model discloses a double -deck stress type hinge base, including panel and through -hole B, the back of panel is provided with the bottom plate, the surface of bottom plate is opened up with the through -hole A, the surface of panel is located with the side of through -hole A and is provided with the connecting block, the through -hole B is opened in the surface of panel, the utility model discloses a taper screw and the thread cooperation of connecting plate combine taper compression structure, form " mechanical locking plus friction fastening " double fixed effect, significantly promote the connection intensity of hinge base, let panel and bottom plate stress simultaneously, through the double positioning structure of plug -in block and jack, connecting block and through -hole B, ensure that bottom plate and panel are quick alignment when installing, reduce artificial adjustment time, improve assembly efficiency, through double -deck structure panel and bottom plate form integral force unit, and external force can be evenly transferred through plug -in block, connecting block and screw joint, avoid the deformation or damage of traditional single -deck structure because of partial stress too big.

The utility model discloses an improved culture box, which relates to the technical field of culture boxes and comprises an outer box and an inner box, air bag cushions are fixedly connected to the inner walls of the two sides of the outer box, buffer plates are movably connected to the positions, located on the two sides of the air bag cushions, in the outer box, and a balance mechanism is arranged between the buffer plates and the outer box. And a damping spring and a damper are fixedly connected between the buffer plate and the outer box. By the adoption of the structure, the outer box and the inner box are arranged, the air bag cushion and the buffer plate are installed between the outer box and the inner box, and the damping spring and the damper are connected between the buffer plate and the outer box, so that the inner box can be stably placed in the outer box through cooperation of the air bag cushion and the buffer plate, and the double-layer structure provides buffering and protection; therefore, the impact force transmission of external impact to the inner box can be effectively reduced, the risk of damaging the internal culture is reduced, the integrity and stability of the sample are protected, and the growth of the culture is facilitated.

The utility model provides a splicing structure of double -deck F bending backboard relates to display module field, including backplate, backplate edge is bending part, and the bending part is the double -deck structure formed by continuous bending, the bending part has the gap, and the adjacent bending part extends to the gap, makes two bending parts splicing combination. The utility model provides three kinds of structure design about double -deck F bending structure in the corner combination, and the joint is set in the adjacent gap in the design, under this design, the backlight cannot emit from the gap, can effectively improve the subjective visual experience of terminal user.

The utility model discloses index chuck production equipment with a low-noise design, relates to the technical field of index chuck production equipment, and aims to solve the problems that existing production equipment is lack of a mute structure, low in noise isolation performance, inconvenient in feeding and discharging operation and poor in practicability. A shell is fixedly connected to the edge of the upper surface of the supporting table, sound insulation cotton adheres to the inner wall of the shell, sliding door rails are fixedly installed on the edges of the upper side and the lower side of an opening of the shell correspondingly, two sliding doors are slidably installed in sliding grooves of the sliding door rails, and observation windows are formed in the outer surfaces of the sliding doors. A transparent acrylic plate is installed at the observation window in a buckled mode and is of a double-layer structure, and an inner cavity of the transparent acrylic plate is arranged to be in a vacuum state. And the effects that feeding and discharging operation can be conveniently conducted, meanwhile, noise generated when the equipment works can be isolated, and the mute performance is high are achieved.

The carton with the good durability comprises a carton body, the rear side of the upper end of the carton body is connected with a carton cover, the left end and the right end of the outer surface of the front end of the carton cover are fixedly provided with cloth belts, one end of each cloth belt is fixedly connected with a magnetic block, and the left side and the right side of the upper portion of the outer surface of the front end of the carton body are fixedly provided with iron blocks in an embedded mode. Handles are arranged on the upper portions of the outer surfaces of the two ends of the box body, the box body and the box cover are the same in composition structure, and the box body and the box cover are both made of multiple layers of composite paperboards. According to the carton with the good durability, the carton body is sequentially provided with the waterproof coating, the kraft paper layer and the corrugated paper layer from outside to inside, the corrugated paper layer is of a double-layer structure, reinforcing fibers are embedded in the corrugated paper layer, the tear resistance and the moisture resistance are remarkably improved, rapid opening and closing are achieved through magnetic attraction by means of the arranged magnetic blocks and iron blocks, and the service life of the carton is prolonged. And repeated tearing damage of a traditional adhesive tape seal is avoided.

The utility model discloses a construction structure for preventing leakage of an elevator shaft foundation pit, which is characterized in that a novel side wall is arranged around the side wall of the elevator shaft foundation pit, so that the side wall of the elevator shaft foundation pit forms a double-layer structure, a drainage interlayer is formed between the side wall of the elevator shaft foundation pit and the novel side wall, and a drainage assembly is connected in the drainage interlayer. When the newly-added side wall leaks, seepage water in the water drainage interlayer can be drained through the water drainage assembly, water pressure in the water drainage interlayer is prevented from being increased, and the situation that elevator parts are soaked due to leakage of the side wall of the elevator foundation pit is avoided. The anti-seepage structure can be suitable for various forms of elevator shaft foundation pits, construction is easy, construction and pouring can be conducted together with an original structure, operation is easy, applicability is high, and the anti-seepage effect is obvious.

The application particularly relates to a three-dimensional intelligent charging garage for two-wheeled electric vehicles and a management method thereof, and belongs to the technical field of two-wheeled electric vehicle management, comprising a double-layer frame, the outer side of the double-layer frame is hingedly connected with a transparent windshield, the upper end of the double-layer frame is provided with a rain shelter top, the inside of the rain shelter top is uniformly provided with intelligent sound wave probes, the inside of the double-layer frame is uniformly provided with charging sockets, one end of the double-layer frame is provided with an intelligent control box, the inside of the double-layer frame is uniformly provided with storage support frames, the inside of each storage support frame is uniformly provided with a lifting structure, one side of the double-layer frame is provided with a convenient output structure, through the double-layer structure, the device is suitable for use in various environments, the utilization rate of space is improved, the management effect of two-wheeled electric vehicles is improved, the lifting structure is used, the convenience of two-wheeled electric vehicle storage is improved, and the convenient output structure is used, so that the taking and using of electric vehicles are more convenient and flexible.