871 results about "Back door" patented technology

The invention discloses a method and system for cooperatively opening a door by a front door lock and a rear door lock, and the method comprises the following steps: front door linkage trigger processing: carrying out entrance record generation processing according to a complete behavior sequence detected by the front door lock to obtain a linkage trigger signal; back door safety decision processing: performing back door state detection and personnel identity multi-level verification processing according to a door opening request message received by a back door lock to obtain an unlocking decision result; reverse guide control processing: according to the doorbell event which is not responded by the front door lock, cross-door lock audio and video channel establishment processing is carried out, and a reverse unlocking instruction is obtained; schedule comparison guide processing: comparing visitor visiting schedule information when the front door lock rings, automatically unlocking and carrying out space guide; and dynamic addressing co-processing: according to the position information of the mobile terminal intercepted by the door lock in the multicast network, carrying out target rear door lock positioning processing to obtain a directional notification strategy. By utilizing the embodiment of the invention, the collaborative response efficiency and the user experience of the intelligent door lock can be improved.

The utility model discloses a double-air-duct industrial and commercial air-cooled energy storage cabinet, which comprises an energy storage cabinet body, the rear side of the energy storage cabinet body is connected with a rear door assembly through a hinge, the inner walls of the two sides of the energy storage cabinet body are connected with symmetrically distributed plug box supporting beams, battery plug boxes are inserted between the upper and lower adjacent plug box supporting beams, and the upper and lower adjacent plug box supporting beams are connected with the battery plug boxes. According to the utility model, external air enters the cold air duct through the condensation air inlet and the evaporation air supply outlet, and cold air is sequentially fed into the battery plug-in box and the bottom of the energy storage cabinet body to cool the battery plug-in box and the high-voltage box; and meanwhile, hot air is discharged from the other side of the battery plug-in box, rises, enters the hot air duct under the suction force of the evaporation return air inlet and is discharged from the condensation air outlet through the hot air duct and the evaporation return air inlet, so that internal air is circulated, and the heat dissipation efficiency is improved.

The waterproof and dustproof automobile back door storage box comprises a box body, a box cover and a hinge, an inner cavity of the box body is a storage space, an opening communicated with the storage space is formed in the surface of the box body, one end of the hinge is connected with the box body, and the other end of the hinge is connected with the box cover. The box cover rotates by taking the hinge as a rotation center to open or close the storage space, the box further comprises a rubber strip, the rubber strip is arranged on the box cover and located on the periphery of the corresponding storage space, and when the box cover rotates to close the storage space, the rubber strip seals a connecting gap between the box cover and the box body. According to the design, the adhesive tape is arranged on the box cover and arranged in the peripheral area of the corresponding storage space, and effective sealing of the connecting gap between the box cover and the box body is achieved. When the box cover rotates to seal the storage space, the rubber strip can be tightly attached to the edge of the box body, a good sealing effect is formed, and therefore external moisture and dust are effectively prevented from entering.

Side structure (1) for a motor vehicle (3) including an inner and outer frame (11, 13) each forming a closed ring and having two openings corresponding to the front and rear doors (8, 10), wherein the inner and outer frames (11, 13) are each formed by hot stamping respectively an inner and an outer frame blank (111, 113), each being a single tailor welded blank made of steel and wherein the inner and outer frames (11,13) are assembled to form a hollow volume (7) between them.

The utility model discloses a novel car body side back door hinge installation reinforcing structure, and belongs to the technical field of car body structures. The hinge mainly comprises a hinge reinforcing plate, an upper hinge nut plate, a lower hinge nut plate and an installation pipe beam assembly, the installation pipe assembly is fixed to one side of the hinge reinforcing plate, and the upper hinge nut plate is installed at one end of the installation pipe beam assembly; the lower hinge nut plate is mounted at the other end of the tubular beam assembly; wherein a first through hole is formed in the hinge reinforcing plate; a second through hole is formed in one side of the installation tubular beam assembly, a third through hole is formed in the other side of the installation tubular beam assembly, and the second through hole, the third through hole and the first through hole are located on the same straight line. By optimizing the connecting structure of the back door upper hinge nut plate, the back door lower hinge nut plate and the back door hinge reinforcing plate, a vehicle body side mounting structure is reinforced, the vehicle body side hinge mounting strength is enhanced, the reliability and durability of a vehicle are improved, and the stability of the back door is improved. The rear door plate structure is mainly used for optimizing the rear door plate structure of the vehicle body.

The present application relates to the technical field of vehicle body, in particular to a back door frame structure, a vehicle body and a vehicle. The back door frame structure comprises a rear upright column upper side beam assembly, a rear upright column assembly and a rear apron welding assembly, the rear upright column assembly is connected to the two sides of the rear apron welding assembly respectively, the rear upright column upper side beam assembly is connected to the two rear upright column assemblies respectively, the rear upright column upper side beam assembly, the rear upright column assembly and the rear apron welding assembly constitute a semi-closed annular cavity, a reinforcing structure is arranged in the annular cavity, and the reinforcing structure is arranged at the rear upright column assembly and the rear apron welding assembly. The purpose is that when the tail box adopts a lower flip type back door or the top of the tail box is designed as openable glass, the rigidity and strength of the back door frame can be effectively enhanced, so that the rigidity, strength and NVH performance of the whole vehicle are improved, and the mounting point rigidity of the back door is met.

A package theft prevention system comprising a mailbox defining an irregularly shaped interior compartment for storage of received packages. The lower portion of the mailbox has an outward, distally tapering wall for anchoring to concrete it is embedded in. The uppermost opening to the mailbox has a package door biased in the closed condition, where, just downward of the package door is a self-closing trap door biased in its closed position. As the package door and the trap door are offset and open in opposing directions, removal of packages from the upper opening is frustrated while receipt by the deliverer is facilitated. A lockable rear door below the upper opening provides access to the interior compartment for the owner.

A storefront pickup system for installation into a storefront of a building. The storefront pickup system provides a thermal break between an exterior and an interior of the building, allowing ordered items such as food and beverages to travel through the storefront. The storefront pickup system includes a storage compartment having a rear door assembly providing access to the storage compartment from an interior of the building, and a front door assembly providing access to the storage compartment from an exterior of the building.

1. Name of the designed product: automobile rear door handrail. 2. Use of the designed product: closing the automobile door in the car. 3. Design points of the designed product: shape. 4. Picture or photo best indicating the design points: perspective view.

1. The name of the design product: car speaker cover. 2. The use of the design product: the design product is used for car speaker cover. Kit 1 is mainly used for A column speaker cover, kit 2 is mainly used for C column speaker cover, kit 3-4 is mainly used for car roof speaker cover, kit 5-6 is mainly used for car back door panel speaker cover, kit 7-8 is mainly used for car front door panel speaker cover, kit 9 is mainly used for car trunk speaker cover, and kit 10 is mainly used for car central control speaker cover. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: kit 1 perspective view 1.

According to the garbage can and the cleaning and sweeping vehicle, a movable upper rear door and a movable lower rear door are arranged on a can body, the upper rear door and the lower rear door are independently controlled to open or close discharging openings of an upper-layer garbage cavity and a lower-layer garbage cavity, meanwhile, after the upper-layer garbage cavity and the lower-layer garbage cavity are closed, the upper rear door can be tightly closed through an upper locking mechanism, and therefore the upper-layer garbage cavity and the lower-layer garbage cavity can be locked. And the lower locking mechanism can tightly close the lower rear door, so that the upper-layer garbage cavity and the lower-layer garbage cavity can be effectively and tightly closed and sealed, and the phenomenon that garbage in the upper-layer garbage cavity flows into the lower-layer garbage cavity is avoided.

The invention relates to the technical field of semitrailer transportation, in particular to a mould-proof ventilation structure for a van type transportation semitrailer, which comprises a carriage frame body, an electric door is arranged on the left side of the front end of the carriage frame body, a fixed door is arranged on the right side of the front end of the carriage frame body, and a back door is arranged on the right side of the carriage frame body. A first plate is slidably connected to the top of the inner wall of the carriage frame and is driven by an air cylinder, the front end of the first plate penetrates through the front end of the carriage frame and is fixedly connected with a movable door, and a partition plate is fixedly connected to the bottom of the first plate; the compartment mechanism can achieve zoning of the inner space, the ventilation mechanism forms a ventilation area, meanwhile, goods loading and unloading are facilitated through the structure, automatic opening and closing are achieved through an air cylinder, a first ventilation fan and a second ventilation fan operate at the same time for ventilation, adjustment is achieved through an adjusting partition plate, and the first ventilation fan and the second ventilation fan are driven by driving wind power. And when the rotating force of the rotating fan is increased, the ventilation effect is better.

1. Name of the designed product: back door of car. 2. Use of the designed product: back door of car. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention discloses a five-prevention program mechanical locking device of an electric appliance cabinet and a gas insulated switchgear thereof. The device comprises an interlocking support; the switching-on locking plate is movably arranged on the interlocking support, and the switching-on locking plate locks a switching-on switch of the circuit breaker at the first position; the closing locking plate unlocks the closing switch at the second position; a closing switch of the circuit breaker in the opening state is located on a path of the closing locking plate moving from the second position to the first position; the opening locking plate is linked with the closing locking plate; the switching-on locking plate locks the switching-off electromagnet when the switching-on locking plate is at the first position, and unlocks the switching-off electromagnet when the switching-on locking plate is at the second position; the two-lock one-key program lock comprises a first program lock for locking the rear door and a second program lock for driving the closing locking plate to move; when the second program lock is locked, the closing locking plate is located at a first position; and when the program lock is unlocked, the closing locking plate is located at the second position. The problem that long-distance mechanical transmission accuracy is poor is solved.

The application discloses a highly integrated electric back door system and relates to the technical field of automobiles.The system comprises a PLG ECU, which is integrated in an electric balance bar assembly.The PLG ECU integrates all functions of a back door controller, including back door opening, closing, back door lock unlocking, locking and attraction, obstacle detection during operation and alarm signal prompting.The highly integrated electric back door system provided by the application not only greatly reduces the space and cost required for wire harness arrangement and independent controller installation, but also enhances the modular degree of the system, has good cross-model platform transplantation capability, provides an efficient and reliable solution for the development of new energy vehicles and intelligent vehicle body systems, and has remarkable technical advancement and broad market application prospect.

The utility model relates to a network cabinet with transparent door, including the cabinet body of front and back opening, set up the front door panel of cabinet body front side, set up the back door panel of cabinet body back side, set up a plurality of fans of cabinet body top and set up a plurality of universal wheel of cabinet body bottom, the inside frame of cabinet body is provided with, the front door panel includes the air panel and transparent board, the number of air panel is two, sets up in the both sides of transparent board respectively, is provided with the air window on the back door panel. The utility model discloses two door panels are set up on the cabinet body, and they are front door panel and back door panel respectively, the front door panel has transparent board, and when the front door panel is closed, the staff can observe the inside of the cabinet from the front side, so that the staff can observe the inside condition of the cabinet at any time, and the back door panel on the back side of the cabinet can also be opened, which is convenient for maintaining the internal components of the cabinet, and the front and rear components can be directly maintained. The top fan cooperates with the air panel on the front side and the air window on the back side to quickly discharge the heat in the cabinet.

This invention proposes an energy-saving waste lithium battery pyrolysis recycling furnace and method, relating to the field of lithium battery pyrolysis recycling technology. It includes a support base and a recycling furnace body connected above the support base. The furnace body includes a heating furnace tube, a feeding assembly movably disposed inside the heating furnace tube, and front and rear door assemblies respectively disposed at both ends of the furnace body. Multiple heat-insulating components are rotatably disposed on the outer side of the heating furnace tube, and a heating assembly is disposed near the rear end of the heating furnace tube. The heating assembly is connected to a feeding structure, which is connected to the multiple heat-insulating components, which are connected to the heating furnace tube. The energy-saving waste lithium battery pyrolysis recycling furnace and method provided by this invention avoids the problems of high energy consumption, material sticking to the walls, and inconvenient installation and disassembly of existing waste battery pyrolysis recycling equipment. The overall operation of the device is convenient and feasible, and it has excellent application effects.

The utility model relates to a kind of data center intelligent power supply precision column head control cabinet, wherein control cabinet left, right two sides are respectively equipped with two fully-enclosed side doors to be as control cabinet left, right side wall, control cabinet front, rear two sides are equipped with mesh front door and mesh rear door to be as control cabinet front, rear side wall to form the heat dissipation air duct of front-back direction;Control cabinet is equipped with electrical component module, and electrical component module front is aligned with mesh front door face to face.The external air in the utility model flows to the front of electrical component module by mesh front door, and the heat of the front of electrical component module is carried out by mesh rear door.Because external air flow direction is directly opposite the front of electrical component module, and its contact area is large, so heat dissipation effect is good.Maintenance personnel open mesh front door and face to face the front of electrical component module, so maintenance is convenient.

The triangular crawler-type amphibious sand cleaning ship comprises a ship body and is characterized in that a sediment storage bin is arranged on the rear portion of the ship body, a two-section type rear door plate is arranged on the rear portion of the sediment storage bin, and the rear door plate is connected through a hinge to form an upper door plate and a lower door plate; the upper door plate can rotate backwards by a specific angle, serves as a silt storage bin rear door when closed, serves as a balancing weight to enhance operation stability during silt cleaning and excavating operation, and serves as a belt conveying mechanism supporting bottom plate when entering a dock to unload silt. A triangular crawler-type walking mechanism is arranged at the bottom of the ship body and comprises a crawler belt, a driving gear and three driven gears, and the angle of a main shaft connected with the driving gear is adjustable so as to adapt to different bank slope angles; the assorted dock adopts an amphibious structure, can be deployed on a dock close to the shore or a smooth shore in water, and is adapted to various scenes such as a reservoir hydro-fluctuation belt, a shoal, a bank slope and the like for operation.

The present disclosure relates to a door lock for a vehicle without an external door handle, in which a front door lock, which allows a front door to be opened manually by always permitting the pulling of a front opening block, is combined with a rear door lock that reinforces a safety structure which prevents manual opening of a rear door by blocking the pulling of a rear opening block when a rear safety block is in a locking position, thereby improving a technique which, in the course of the trend towards electrical components of the vehicle, can cause safety problems, such as malfunctions.

1. The name of the design product: back door (E371). 2. The use of the design product: used as parts of cars. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best shows the design points: perspective view.

The application relates to the technical field of vehicle bodies, and provides a back door and a vehicle. The back door provided by the application comprises a back door sheet metal assembly, a back door window frame surrounding a light transmission hole formed by the back door sheet metal assembly, and a sealing piece arranged on the back door window frame. The sealing piece has a first sealing part located on the outer side wall of the back door window frame, the first sealing part is arranged around the back door window frame, and the first sealing part can seal the gap between the back door window frame and the counter handle. The back door provided by the application can seal the gap between the back door window frame and the counter handle, can better improve the sealing quality of the back door in the vehicle, can reduce the noise entering the vehicle from the back door, and can improve the quality of the vehicle.

The invention discloses a front door adjustment-based harmful modal cause detection depolarization method, which comprises the following steps of: constructing a structural causal model, creating a back door path between a modal cause and a harmful label by using unobserved confounding factors, and eliminating harmful modal cause detection through front door adjustment; the front door adjustment then blocks the back door path by introducing reasoning as an intermediary between the memetic and the tag. The method comprises the following steps: decomposing the causal effect of a medal factor on a harmful tag into the influence of the medal factor on an intermediary, quantifying by adopting a multi-modal large-scale language model with different beam searches to calculate the probability of each reasoning sequence and the influence of the intermediary on the tag, and performing effective approximation through a normalized weighted geometric averaging method; finally, post-interpretation is synthesized from the inference sequence and the predictive tag using a large language model. According to the scheme, the most advanced performance is achieved while information interpretation is provided.

The utility model provides an interlocking mechanism for a grounding switch and a switch cabinet, and the interlocking mechanism comprises a lock plate which can rotate between an avoiding position and a blocking position, when the lock plate is located at the avoiding position, the lock plate can prevent a rear door from being opened, and when the lock plate is located at the blocking position, the rear door can be opened; when the locking block is located at the first position, the locking block stops the operation main shaft from rotating so as to enable the grounding switch to be kept in a closed state, and when the locking block is located at the second position, the operation main shaft can rotate; the transmission part is connected between the lock plate and the locking block, the locking block is located at the first position when the lock plate is located at the avoiding position, and the locking block is located at the second position when the lock plate is located at the blocking position. According to the interlocking mechanism for the grounding switch, the locking plate and the locking block are arranged, and the two parts are connected through the transmission piece, so that the locking plate can be close to the rear door, the locking block can be close to the grounding switch, and the interlocking reliability is further improved.

1. The name of the design product: the highlight display graphical user interface of electronic equipment. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the present graphical user interface is used for highlight display. Design 1 front view to design 3 front view are highlight display interfaces, and users can make related settings through touch operation according to the content prompt of the interface. Design 4 front view is a back door display interface before the highlight, and the user can view the video of the back door by clicking the "Back Door" button at the top of the interface, as shown in the design 4 interface change state diagram. Among them, the gray block in the interface is a replaceable content picture.