85 results about "Double decker" patented technology

A wagon is adjustable between a collapsed configuration, an intermediate configuration, and an expanded configuration. The frame has a vertical pole assembly arranged at each of the four corners of the frame. Each of the vertical pole assemblies comprises an extension member telescopically arranged with a fixed member and a slider operatively slidingly connected with the fixed member. When the frame is altered from the expanded configuration to the intermediate configuration, the slider of each vertical pole assembly moves away from the distal end of the fixed member toward the proximal end of the fixed member and the extension member moves from the raised position to the lowered position. When the frame is altered from the intermediate configuration to the collapsed configuration, the extension member moves from the lowered position to the raised position with the slider at or adjacent to the proximal end of the fixed member.

The double-layer-structure conveying elevator with the temporary storage function comprises a frame, a lifting mechanism and a double-layer-structure conveying line, the lifting mechanism comprises a pneumatic part, a transmission wheel and a lifting chain, the pneumatic part is connected with the frame, the transmission wheel is movably installed on the frame and connected with the pneumatic part, and the lifting chain is connected with the transmission wheel. The lifting chain is arranged on the transmission wheel in a sleeving mode, one end of the lifting chain is connected with the bottom of the frame, the other end of the lifting chain is connected with the double-layer-structure conveying line, and the double-layer-structure conveying line is located in the frame and comprises an upper-layer conveying line body and a lower-layer conveying line body. The upper-layer conveying line is mounted above the lower-layer conveying line; the pneumatic part drives the lifting chain and the transmission wheel to move when stretching out and drawing back, and the double-layer-structure conveying line is driven by the lifting chain to ascend and descend in the frame. The double-layer compact type design is adopted, the length of a production line is shortened, the occupied space of the conveying hoister with the buffering double-layer structure is reduced, and the workshop space is fully utilized.

The utility model discloses a detection device for detecting the temperature and humidity of a food inner package, which comprises a base, a fixed head, a detection head, a protection mechanism, a display screen and a grip, and is characterized in that the protection mechanism is of a double-layer structure consisting of a protection inner cover and a protection outer cover; food particles entering from a first through hole in the protective outer cover can be isolated in an interlayer space between the protective inner cover and the protective outer cover, and then the entering food can be effectively discharged from the first through hole in the bottom of the protective outer cover and a discharging hole through rotation of the protective inner cover and a partition plate fixedly arranged on the protective inner cover; therefore, the phenomenon that the food blocks the protection mechanism to cause non-ventilation is prevented, and the accuracy of the detection result and the detection efficiency are effectively improved.

An expandable structure can expand to provide a second story and patio over the first story. The expandable structure can be provided as a recreational vehicle, for example. The second story can recess partially into the first story, while the walls of the second story can be formed in two portions that nest with each other, into the upper portion of the first story, when in the retracted state. During expansion, the second story floor can move upward, into its expanded state location, then the roof can lift, unnesting the walls of the second story to form the second story living space. The patio handrails can automatically deploy as the second story is opened. A sliding door, for example, can provide a passage from the second story living space to the patio.

The utility model provides a combined container which comprises a container body, a container cover, a top plate and a bottom plate, the container body comprises side walls, a top plate and a bottom plate, and a through opening is formed in the end of the container body; the corner columns are located at the ends of the side walls of the two sides of the box body in the length direction, vertex angle pieces are arranged at the top ends of the corner columns, and the bottom faces of the vertex angle pieces are higher than a top plate of the box body; the folding door assemblies are arranged in pairs, the folding door assemblies arranged in pairs are matched with the through openings in the corresponding sides, each folding door assembly comprises a first door plate and a second door plate connected to the first door plate in a pivoted mode, and the first door plates of the folding door assemblies arranged in pairs are connected to the corresponding corner columns in a pivoted mode. The combined container is provided with an upper-layer structure and a lower-layer structure, the upper layer is of an open carrying structure, the lower layer is of a closed carrying structure, the combined container is suitable for double-layer transportation of automobiles, the closed carrying structure of the lower layer can be used for transporting goods with sealing requirements during returning, and the transportation efficiency and diversified usability of the combined container are improved.

The utility model relates to the technical field of urban rail transit existing line reconstruction signals, in particular to an urban rail transit existing line emergency stop button updating and reconstruction installation structure which comprises a double-layer structure composed of an inner panel and a protective cover. The protective cover is installed outside the internal panel and is provided with a transparent cover corresponding to one of the function buttons and a shielding protective cover corresponding to the other function button. The utility model has the advantages that: (1) raw materials are saved; (2) the existing decoration of the station is protected; (3) the control cable is better protected; and (4) the influence on the existing operation is reduced.

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 relates to the technical field of furniture, and provides a bunk bed which comprises a bed frame, a first bed board and a second bed board, the first bed board and the second bed board are sequentially arranged on the bed frame from top to bottom layer by layer; a first guardrail positioned at the bed head of the first bed board, a second guardrail positioned at the bed tail of the first bed board and a fence positioned at the outer side edge of the first bed board are arranged on the bed frame; the second guardrail is provided with a notch for placing the crawling ladder; the fence comprises an expansion part which transversely expands towards the outside of the first bed board and a blocking part which is vertically connected with the expansion part and encloses the outer side edge of the first bed board; the bed frame is further provided with a third guardrail located at the bed head of the second bed board and a fourth guardrail located at the bed tail of the second bed board. The fence integrally protrudes out of the first bed board, so that the actual use space of the first bed board is expanded, the activity comfort of an upper berth user is improved, and the upper berth is more suitable for scenes with limited space and high comfort requirements.

The utility model discloses a carton cutting piece for strengthening buffering and a carton, which belong to the field of folding cartons, and comprise a plurality of side plates which are connected in sequence, at least one side plate is a strengthening side plate, the strengthening side plate is connected with a strengthening plate, the strengthening plate comprises a side plate strengthening part and a folding angle strengthening part, and the folding angle strengthening part is arranged on the side plate strengthening part. A folding angle reinforcing pressing line is arranged between the side plate reinforcing part and the folding angle reinforcing part, the side plate of the carton formed after folding can be reinforced through the reinforcing plate, the side plate reinforcing part can form a double-layer structure on the side plate so as to play a role in reinforcing, a triangular supporting structure can be formed between the folding angle reinforcing part and the side plate, and the folding angle reinforcing pressing line is arranged between the folding angle reinforcing part and the side plate. And the buffering effect on impact during stacking is improved, and the problem that in the prior art, the carton is prone to deformation and damage due to impact in the stacking process is solved.

1. Name of the designed product: grab doll machine (light-emitting double layer). 2. Use of the designed product: for toys. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

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.

In various embodiments, a lock assembly is defined as: a locking bar (3) which is mounted on a first vehicle part (1) by means of first fastening means (2); a lock part (21) which is mounted on a second vehicle part (20) by means of second fastening means (22) and is configured to engage with the locking bar (3) when locking and to disengage from it when unlocking; wherein the first vehicle part (1) and / or the second vehicle part (20) have a double structure and are each composed of two molded parts (5, 6) attached to one another; and wherein, in the area of ​​the locking bar (3) and the lock part (21), a structure-reinforcing element (8) is arranged between the two molded parts (5, 6) of the first vehicle part (1) and / or between the two molded parts of the second vehicle part (20) such that the first fastening means (2) or theThe second fastening means (22) extend through the structural reinforcement element (8). Furthermore, a vehicle comprising the lock assembly is provided.

The utility model discloses a vertical pre-stressed steel bar positioning and anti-collision frame suitable for a double-layer structure, which comprises a steel bar positioning plate and a steel bar positioning plate which are shaped like a Chinese character'hui 'and are both provided with scale marks, the steel bar positioning plate is of a detachable combined structure, and the internal width of the steel bar positioning plate is adjustable so as to be suitable for various arrangement forms such as longitudinal or transverse arrangement forms of steel bars. The steel bar positioning plate and the steel bar positioning plate are reliably connected through the positioning plate connecting piece or directly through a bolt so as to be suitable for positioning of steel bars in different construction stages, and the steel bar positioning clamp is fixed to the steel bar positioning plate and used for being clamped and fixed to an upper structure steel bar. Precise control over the distance between the steel bars is achieved through the steel bar positioning plates and the positioning clamps, the steel bars are limited through the steel bar positioning plates, the situation that the tensioning ends of the steel bars collide with the steel bars is avoided, and meanwhile the plane position and perpendicularity of the steel bars are effectively guaranteed.

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.

According to the rapidly-formed integrated double-layer paperboard inner support and the paperboard structure thereof, through the exquisite design of the integrally-formed paperboard, rapid unfolding and stable supporting of the double-layer structure are achieved. The product is characterized by comprising a double-layer paperboard main body formed by folding and bonding the middle part, and an upper-layer base plate and a lower-layer base plate which are arranged in a partitioned manner are provided with pre-pressing creases to fix the thickness and facilitate folding; the storage groove is provided with a supporting tongue and an inserting groove system, and supporting strips and clamping grooves at specific positions are designed, so that multi-direction stable supporting after the commodities are placed in is ensured. The innovation point is that a flat state can be quickly converted into a double-layer structure by utilizing a simple extrusion action, meanwhile, the flexibility of the storage groove and the supporting system adapts to diversified packaging requirements, stability, convenience and customized adaptation capability are considered, the packaging box lining is particularly suitable for being used as various packaging box liners, the transportation and storage cost and the packaging efficiency are optimized, and the market prospect is wide. And an efficient and environment-friendly packaging solution is shown.

The utility model relates to the technical field of medical instruments, and discloses an emergency treatment box which comprises a box body, at least one storage box and a box cover. According to the utility model, the storage box with the second storage cavity is arranged in the box body, and the interior of the box body is divided into the first storage cavity by utilizing the storage box, so that the whole emergency treatment box is of a double-layer structure with a plurality of storage cavities, and the emergency treatment box can be used for carrying more medical supplies; and different types of medical supplies can be stored in different storage cavities as required, so that the different types of medical supplies can be managed. And meanwhile, the storage box is constructed to be in a form of being capable of horizontally moving between a folding position and an extending position, so that the medical supplies in the storage cavities can be taken under the condition that the storage box is not taken out from the cavity, and the convenience of the emergency treatment box during use is effectively 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 relates to the technical field of the luggage, and disclose a clothes drying luggage with hidden air duct design, it includes the hard box body of outside and the soft box body of inside, the hard box body constitutes the outside main part of luggage body, and the soft box body is built -in in the hard box body inside, the upper end of luggage body is rotatably connected with the hard box upper cover that can open, and the front of luggage body is equipped with the hard box front cover for taking and placing clothes, the air inlet and outlet of the utility model are hidden type design, only expose with the soft box body when clothes drying disinfection, completely hide in the hard box body under non -working condition, keep the whole luggage simple and beautiful, the appearance is improved, the novel structure simplifies, through the double -deck structure of " hard box body + soft box body", the clothes drying subassembly and the storage function are integrated, do not have complex redundant structure, convenient operation, only need to control electric telescopic link and fan can switch state.

The utility model relates to the technical field of bridge construction, and provides a double-layer flatcar which comprises a transverse moving track and a longitudinal moving track and further comprises a lower flatcar connected to the transverse moving track in a sliding mode, a sliding rail used for being in butt joint with the longitudinal moving track is installed on the lower flatcar, and an upper flatcar used for placing a steel arch is connected to the sliding rail in a sliding mode. Through the arrangement of the double-layer structure of the lower flatcar and the upper flatcar, higher flexibility and space efficiency can be provided, and the steel arch transfer efficiency and the construction safety are improved.

The utility model relates to a spiral elevator which comprises a guide rail frame, an elevator shaft defined by the guide rail frame, an elevator car sliding up and down along the elevator shaft and a screw driving device driving the elevator car to ascend and descend. The lift car comprises an outer lift car body and an inner lift car body, the outer lift car body is arranged on the outer side of the inner lift car body in a sleeving mode, and the inner lift car body is a man-carrying or object-carrying platform; the screw rod driving device comprises a screw rod, a nut and a driving part for driving the screw rod to rotate; the screw rod is vertically arranged in the elevator shaft and penetrates through the outer lift car, the two ends of the screw rod are rotatably arranged at the upper end and the lower end of the elevator shaft, the screw rod is sleeved with a nut, and the nut is installed on the outer lift car. The lift car adopts the design of a double-layer structure, and is good in stability; the design of the inner cavity of the outer lift car allows the screw rod to penetrate therein, so that the space is optimized, and the whole elevator is more compact in structure and balanced in stress; a roller guide rail mechanism is adopted, and friction and noise are reduced.

The present invention provides a shelf docking system that can self-circulate workpieces, including a fixed shelf and a mobile shelf that can dock one after the other and both have a double-layer structure. When the two are docked, the upper layer is connected to form an upper complete inclined surface with a high back and a low front, and the lower layer is connected to form a lower complete inclined surface with a high front and a low back; it also includes an upper sliding shaft assembly and a lower sliding shaft assembly arranged between the docking surface of the mobile shelf and the fixed shelf, the upper sliding shaft assembly blocks / releases the material on the upper complete inclined surface by the rise / fall of the upper blocking rod, and the lower sliding shaft assembly releases / blocks the material on the lower complete inclined surface by the rise / fall of the lower blocking rod. The present invention can replace the traditional method of manually carrying goods from a material vehicle without consuming additional power, reduce production costs and occupation of personnel, and improve work efficiency.

This utility model discloses a top cover for packaging boxes that can be used with a zigzag pallet. The top cover body has four upper protrusions on its upper surface and corner guards at each of its four corners. A surrounding plate is provided around the lower surface of the top cover body, and a lower protrusion is also provided on the lower surface. A groove is formed between the lower protrusion and the surrounding plate. Several first ribs are provided on the lower surface of the top cover body within the groove, and several second ribs are provided on the outer wall of the surrounding plate. Several raised strips are provided on the inner side of the surrounding plate at the outer end of the groove. The lower protrusion is densely covered with recessed support columns, the tops of which are connected to the lower surface of the top cover body. This utility model has a reasonable structure. The four corner guards on the upper surface of the top cover body prevent tipping, tilting, or slipping when two packaging boxes are stacked. The double-layered structure of the top cover body greatly improves its load-bearing capacity. Furthermore, the four upper protrusions allow it to be used with a smaller zigzag pallet, greatly improving its versatility and applicability.

The utility model relates to the technical field of fuse boxes, in particular to a waterproof fast-assembly type single-path fuse box, which comprises a base provided with an inner cavity used for accommodating a fuse assembly for installation; the upper cover and the base are detachably installed, the edge of the upper cover is of a double-layer structure with an inverted-U-shaped section, and the double-layer structure is used for allowing the edge of the base to be inserted and installed in a matched mode; and the upper cover sealing element is arranged on the U-shaped top of the double-layer structure of the upper cover and is used for sealing a gap between the upper cover and the base, so that the technical problems of poor sealing performance and inflexible installation and maintenance of the fuse box in the prior art are solved.

A double-layer integrated folding box type structure comprises a base plate frame, a middle plate frame and a top plate frame which are arranged in a stacked mode in the vertical direction and are parallel to one another, a first movable side frame capable of being folded and unfolded is arranged between the base plate frame and the middle plate frame, and the first movable side frame can move to be overlapped with the base plate frame and the middle plate frame; the supporting plate can be opened to be perpendicular to the chassis frame and the middle plate frame to be supported between the chassis frame and the middle plate frame; a second movable side frame which can be folded and opened is arranged between the middle tray frame and the top tray frame, and the second movable side frame can move to be overlapped with the middle tray frame and the top tray frame and can be opened to be perpendicular to the middle tray frame and the top tray frame to be supported between the middle tray frame and the top tray frame. According to the double-layer integrated folding box type structure, a double-layer structure is designed into an integrated structure, compared with two independent containers, a top tray structure can be omitted, the transportation height can be reduced, the transportation cost can be saved, the material cost and the labor cost can be reduced, time, labor and materials are saved, and the double-layer integrated folding box type structure is high in practicability and suitable for being vigorously popularized.

The present invention relates to a temperature difference energy power generation platform capable of self-storage, transportation, and disassembly of pipelines, and a method for using the platform, comprising a platform body floating on the water surface, a pipeline transportation system, and a lifting system located at the output end of the pipeline transportation system, wherein the pipeline transportation system comprises a transportation track and a transportation trolley, which reciprocates on the track, and the transportation trolley is set as a double-layer structure, and the double-layer structures are rotatably connected to each other; the lifting system comprises: a lifting track, which is laid on the platform body, an equipment platform, which reciprocates on the lifting track, and a truss structure, which is located on the equipment platform, and a lifting device is installed on the truss structure, and the lifting device is used to lift the pipe fittings to be installed on the transportation track; a moon pool is opened on the platform body corresponding to the lower part of the equipment platform, and the pipe fittings to be installed are lowered from the moon pool to the water surface. The present invention can realize the rapid disassembly and transportation of pipelines, and the anti-collision system can ensure the safety of the pipeline installation and disassembly process to the greatest extent.

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.