149results about "Passage-through doors" patented technology

An example security gate can include: an outer frame; an outer gate disposed within the outer frame, the outer gate defining a plane and having a plurality of outer gate vertical members, and the outer gate defining an inner gate opening; an inner gate disposed within the outer gate, the inner gate defining a plurality of inner gate vertical members, wherein the inner gate is configured to move vertically within the plane to control access through the inner gate opening, and wherein the plurality of inner gate vertical members are sized to telescope within the plurality of outer gate vertical members as the inner gate is moved; and a locking mechanism to lock the inner gate at a vertical position relative to the outer gate to define an accessible size of the inner gate opening.

The present invention discloses a slidably extendable barrier configured to be disposed between two opposing positions, including: a first sliding panel, a second sliding panel, a locking assembly and a pressure adjustment assembly. The first sliding panel and the second sliding panel are slidable relative to each other along the length direction; The locking assembly configured to selectively lock the first sliding panel and the second sliding panel in the length direction; The pressure adjustment assembly enables the slidably extendable barrier to be fixed between the two opposing positions. Through the described structural configuration, the barrier operates in a sequence of “sliding adjustment—locking positioning—pressure application”, thereby achieving core advantages of “flexible adaptability, rapid installation, and stable reliability”. It is particularly suitable for application scenarios requiring installation convenience, environmental compatibility (non-damaging), and situational adaptability, combining functional efficiency with practical utility.

The present invention discloses a protective fence with a pet door, comprising a door frame with a door body inside and an opening and closing locking component having a rectangular frame; the present invention provides an opening and closing locking component that allows pets to easily pass through the protective fence through the door panel. This component has a stopper A and a stopper B, and the coordinated use of the two stoppers effectively control whether pets can freely leave after entering and exiting the door panel. In order to further optimize the use experience, users can paste mute hairs in the adhesive groove on the door panel. When pets come in and out, the mute hairs in the adhesive groove can significantly reduce the sound generated, avoiding potential noise problems.

A Garage door with a secure door assembly including a garage door with a horizontally extending panel having a framework including parallel spaced apart horizontal members extending along a top edge and a bottom edge thereof and a secure package door assembly carried by the horizontally extending panel. The secure package door including an outer portion and an inner portion coupled together with the parallel spaced apart horizontal members captured therebetween. A door coupled by hinges to the outer portion and moveable between an open position and a closed position, A locking mechanism is included for locking the door in the closed position.

Disclosed is a smart pet door, including: a door frame, a door plate and a door lock. The door lock includes a motor, a front locking piece, a rear locking piece, a circuit main board and a power supply. The front and rear locking pieces are coaxially arranged and in transmission connection with the motor, the motor is electrically connected to the circuit main board, and the circuit main board is electrically connected to the power supply. The front locking piece is positioned on a front side of a lower edge of the door plate, the rear locking piece is positioned on a rear side of the lower edge of the door plate, and the motor drives the front and rear locking pieces to rotate. The front and rear locking pieces are able to abut against the door plate separately or simultaneously, or disengage from the door plate simultaneously.

Pet door inserts including a base panel system and an adjustment panel system. The base panel system includes a first and second base panels, a pet door, and a track. The pet door moveably mounts to the first base panel within a pet door opening and selectively covers the pet door opening. The second base panel is coupled to the first base panel along a first lateral side of the second base panel. The track extends longitudinally along a medial portion of the second base panel. The adjustment panel system is moveably mounted on the track and translates relative to the base panel system. The adjustment panel system includes a first adjustment panel defining a horizontal groove extending longitudinally along a medial portion of the first adjustment panel. The horizontal groove selectively receives the track to selectively mount the adjustment panel system to the base panel system.

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.

A panel insert for modifying a French door to make the French door pet accessible. The panel insert is positioned and secured within a frame of one of the French door panels. An upper opening and a lower opening are cut or formed into a body of the panel insert. A window component is secured within the upper opening and a pet door component is secured within the lower opening. The pet door component is configured to allow an animal to travel through the French door without human intervention. A pet accessible French door with an integrated panel insert is also provided.

The utility model belongs to freezer technical field especially is a kind of frostless display freezer, including cabinet, and the front side hinged connection of cabinet is connected with switch door.The utility model is placed on the baffle in cabinet by the object in cabinet under the condition that switch door is closed, it is convenient to show the article in cabinet to outside, when taking article, hold U-shaped handle and press push rod, push rod is moved by corresponding connecting rod with the driving connecting plate, connecting plate is stretched to corresponding second spring in the process of moving, connecting plate is moved by hinged link with the driving square bar, square bar is moved with the driving corresponding limit ring, limit ring is stretched to corresponding first spring in the process of moving, so that square bar is separated from corresponding square groove, U-shaped handle is pulled at this time, U-shaped handle is moved with the driving corresponding drawer, drawer is slid on guide rod with the driving corresponding slider, so that rectangular hole is not shielded, take out the article on baffle, avoid the energy waste caused by switch door wide open.

To enable opening and closing of an upper door and a lower door integrally, opening and closing of only the upper door, and opening and closing of only the lower door by a simple operation. [Solution] In the upper and lower divided door 1, the upper door 20 is provided with an upper lever handle 21, an upper connecting member 22, and a pulling-up member 26 that can pull the upper connecting member 22 upward. The lower door 30 is provided with a lower lever handle 31, a lower connecting member 32, and a pulling-down member 36 that can pull the lower connecting member 32 downward. In conjunction with the upward rotation of the upper lever handle 21, the upper connecting member 22 moves from a lower position to an upper position. In conjunction with the upward rotation of the lower lever handle 31, the lower connecting member 32 moves from an upper position to a lower position. These operations allow the upper door 20 or the lower door 30 to be opened and closed freely.

The utility model discloses a multifunctional wooden door, which belongs to the technical field of wooden doors and comprises a middle plate and outer door plates adhered to two sides of the middle plate, a through hole is arranged at the bottom of the middle plate and penetrates through the middle plate and the outer door plates, a sealing component is mounted inside the middle plate, and a climbing frame is mounted on the outer side of the sealing component. Through the arrangement of the through hole, pets can enter and exit conveniently, and the sealing assembly is arranged in the through hole, so that when the pet door is used, compared with an unshielded pet entrance and exit, the pet door has better sealing performance, heat preservation performance and a better sound insulation effect, and meanwhile, entering and exiting of the pets cannot be affected.

The shielding door with the passive drainage function comprises a door frame, a door leaf is connected to the door frame through a hinge, a locking mechanism is arranged on one side of the door frame, opening and closing of the door leaf are achieved through the locking mechanism, a drainage door is connected to the door leaf through a rotating shaft, a drainage door lock is arranged at the bottom of the door leaf, and the door leaf is connected with the drainage door through a rotating shaft. A pulley is arranged on the wall on the lower portion of the door frame, a zipper A is arranged on the pulley, a floating ball A is arranged at one end of the zipper A, a balancing weight is arranged at the other end of the zipper A, and the balancing weight is connected with a drainage door lock through a zipper B. When the water level on one side of the shielding door rises, the drainage door on the shielding door is passively started through the floating ball device, accumulated water is drained to the other side of the door, field operation of personnel is not needed, and the personal safety of the personnel is guaranteed.

The utility model relates to the technical field of food processing machinery, in particular to a bowl-steamed uncongealed beancurd machine which comprises a box body, a front box door is hinged and fixed to the opening side of the box body, a water storage tank is arranged at the bottom in an inner cavity of the box body, an electric heating module is installed in the water storage tank, a supporting bottom frame is placed in the electric heating module, and the supporting bottom frame is connected with the box body. Two sets of supporting strips are symmetrically formed on the inner wall of the box body, each set of supporting strips are arranged at equal intervals, and a plurality of containing layer plates which are sequentially placed on the supporting bottom frame and the supporting strips are placed in the box body. The uncongealed beancurd machine has the beneficial effects that the fetching box door is arranged on the front box door, so that when steamed uncongealed beancurd is taken out, only the small window is opened, the loss of heat in the machine is reduced, and the heat preservation time is prolonged; the placing laminates for placing the uncongealed beancurd bowls are designed in a split mode, the size of a single laminate is reduced, the idle placing laminates can be directly taken out when the uncongealed beancurd bowls are taken out, taking out of other uncongealed beancurd bowls is not affected, and use is convenient.

With simple operation, it is possible to open and close the upper and lower doors as a single unit, open and close only the upper door, or open and close only the lower door. [Solution] The upper and lower split door 1 is provided with an upper lever handle 21, an upper connecting member 22, and a lifting member 26 that can lift the upper connecting member 22 upward on the upper door 20. The lower door 30 is provided with a lower lever handle 31, a lower connecting member 32, and a lowering member 36 that can pull the lower connecting member 32 downward. The upper connecting member 22 moves from a lower position to an upper position in conjunction with the upward rotation operation of the upper lever handle 21. Also, the lower connecting member 32 moves from an upper position to a lower position in conjunction with the upward rotation operation of the lower lever handle 31. These operations allow the upper door 20 or the lower door 30 to be opened and closed.

Described is an electronic delivery door for permitting passage of an object between an interior and an exterior of a structure through an opening defined in the structure, the delivery door comprising: a door panel; a hinge assembly including: one or more hinges for securing the door panel within the opening of the structure and for permitting the door panel to move between a closed position and an open position by rotation of the one or more hinges, wherein: in the closed position, the opening is covered by the door panel; and in the open position, the one or more hinges have been rotated to permit passage of objects through the opening; and an electronic security device configured to selectively permit opening of the door panel.

The utility model discloses a train maintenance warehouse automatic door with an escape passage, which relates to the field of train maintenance warehouse automatic doors and comprises an automatic door structure, an escape door is slidably mounted in the automatic door structure and consists of a door body, a plurality of rotating rollers and L-shaped clamping plates, and the rotating rollers are rotatably mounted in the door body. The L-shaped clamping plate is fixedly installed at one end of the door body, two automatic opening assemblies are symmetrically installed in the automatic door structure, each automatic opening assembly is composed of an opening spring and a pushing plate, and the two opening springs are symmetrically and fixedly installed at one end of the pushing plate. And meanwhile, the automatic opening assembly and the fixing assembly are arranged on the automatic door structure, so that when an emergency occurs in the train maintenance warehouse, a worker can rapidly open the escape door, and therefore it is ensured that the worker can be rapidly evacuated to a safe area without obstacles in the emergency, and casualties can be reduced to the maximum extent.

A secure delivery door kit includes a door assembly, a first type of attachment mechanism, and a second type of attachment mechanism. The door assembly is configured for being installed by a user in a desired installation location (such as a wall or a garage door) and the user selects which type of attachment mechanism to use, depending on the type of installation location the user chooses. The door assembly includes a door operatively coupled to a frame such that the door is configured to move relative to the frame between an open position and a closed position. The door assembly is configured for being installed in the installation location and used for secure package delivery. The attachment mechanisms are configured for attaching the door assembly to the installation location, and the second type of attachment mechanism is different from the first type of attachment mechanism.

A portal and method for a drone to transit from one side of door to the other. The portal having an opening for each side of the door and having at least two levels, and a temporary landing area. The portal structure with no moving parts that allows the drone to transit the door.

The double-leaf side-hung waterproof vault door 10 comprises a main door frame, a first main door leaf, a first auxiliary door leaf and a first emergency door, the main door frame is installed on a wall body provided with a door opening with a preset size, and the first main door leaf and the first auxiliary door leaf are installed in the main door frame in a matched mode. The first emergency door is mounted on the first auxiliary door leaf; the first main door leaf and the first auxiliary door leaf are arranged on the two sides of the interior of the main door frame respectively, the first main door leaf is hinged to the corresponding side wall face of the interior of the main door frame within a preset-angle movement range, and the first auxiliary door leaf is hinged to the other corresponding side wall face of the interior of the main door frame within a preset-angle movement range. According to the double-leaf side-hung waterproof vault door 10, the first main door leaf and the first auxiliary door leaf form a side-hung vault door with a large opening angle, under the condition that the first main door leaf and the first auxiliary door leaf are closed, the first emergency door is opened to achieve the functions of article delivery or pedestrian emergency passing and the like, and the use flexibility of the vault door is greatly improved.

The utility model discloses a fireproof door with a double-layer sealing door frame, which belongs to the technical field of fireproof doors, and comprises a fireproof door main body, the fireproof door main body comprises a frame body and a door leaf, the door leaf is rotatably arranged on the frame body, and the side surface and the inner wall of the frame body are respectively provided with a first side part sealing groove and a first inner wall sealing groove; a first side sealing ring and a first inner wall sealing ring are installed on the inner wall of the first side sealing groove and the inner wall of the first inner wall sealing groove correspondingly, and a second side sealing groove and a second outer wall sealing groove are formed in the side face and the outer surface of the door leaf correspondingly. By arranging the first side sealing ring, the second side sealing ring, the first inner wall sealing ring and the second outer wall sealing ring which are matched for use, the double-sealing effect of the frame body and the door leaf can be achieved, and it is guaranteed that the fireproof door body has the good sealing characteristic when used; and an anti-locking mechanism is arranged, so that the effect of preventing the door leaf from being accidentally locked during emergency escape can be achieved.

The utility model belongs to the technical field of engineering machinery protection, and particularly relates to an engineering machinery protection door plate with an adjusting structure, which comprises a frame, two door plates are symmetrically mounted in the frame through hinges, and a rectangular groove is formed in each door plate in a penetrating manner; according to the utility model, when engineering machinery maintenance personnel on two sides of the door plate need to carry out tool exchange or mutual assistance, an operator on one side of the door plate puts tools into the turntable below the door plate at the moment, and the tool exchange is carried out by the operator on the other side of the door plate, so that the tool exchange or mutual assistance is realized. Then, an operator on the other side of the door plate pokes the rotary discs, so that the two rotary discs can rotate between the two butt joint columns, the rotary disc on the side where the exchange tools are placed can rotate to the other side, and at the moment, the operator on the other side of the door plate can meet the exchange requirement of the tools without opening the door plate through the adjusting structure; therefore, the convenience of complementary work of personnel on the two sides of the door plate is improved.

An access opening closure device is provided for enabling passage of food or medication into a confined space without providing direct access from within the confined space to outside of the confined space. The device includes a housing assembly including a body and a cover, and a slide assembly including an access door and a frame. The body defines a receptacle and first and second openings. The housing assembly is pivotally coupled to the slide assembly and is movable from an operative position to a stowed, non-operative position.

The invention provides an integrated single-shaft fixed hydraulic transmission mine safety door, and relates to the technical field of safety doors, the integrated single-shaft fixed hydraulic transmission mine safety door comprises two first mounting hinge assemblies, and the two first mounting hinge assemblies are fixedly connected to the front end face of a mounting frame; the protective safety door is mounted at the front end of the mounting frame body through a first mounting hinge assembly; the number of the second installation hinge assemblies is two, and the two protection safety doors are both fixedly installed on the outer sides of the protection safety doors. The escape safety door is mounted on the outer side of the protective safety door through a second mounting hinge assembly; the two door opening and closing handles are both installed on the outer side of the escape safety door, and the problem that in the actual application process of an existing integrated single-shaft fixed hydraulic transmission mine safety door, once a channel in front of the door is blocked by foreign matter, a door leaf cannot be completely closed or is not sealed in place, and the safety door cannot be opened or closed in place is solved. Therefore, the isolation effect is influenced, and the safety is improved.

The present invention relates to the technical field of access control intercom doors, specifically to an access control intercom door with an alarm structure for communication, comprising a door frame, an access control system, a door panel and an emergency alarm, wherein the front end of the door frame is fixedly installed with an access control system, a door panel is hinged in the door frame, an emergency alarm is fixedly installed on the back end of the door panel, a limiting mechanism is installed on the lower side of the back end of the door panel, a door opening is opened on the door panel, a fixed shaft is fixedly welded on the back end of the door frame, and a rotating sleeve is connected to the fixed shaft through a bearing sleeve. By setting a door opening, the present invention allows the deliveryman to put the takeaway through the door panel and hang it on the hanging rod. In this way, after obtaining the consent of the resident, the deliveryman can put down the takeaway and directly carry out subsequent work. This method not only avoids direct contact between the resident and the deliveryman, plays a role of mutual protection during the epidemic, but also solves the hidden danger of opening the door to take the takeaway and allowing illegal personnel to take the opportunity to enter the house through the door panel.

A pet door is provided that includes a flap, a core frame that is configured to hold the flap, an interior frame that is configured to be positioned in an interior portion of a structure, and an exterior frame that is configured to be positioned outside of a structure. The core frame may be a standard component. The flap may include two or more rigid segments extending from a top of the flap to a bottom of the flap. Gaps may be provided between the two or more rigid segments, and elastic material may be provided that connects adjacent rigid segments. Elastic stretch zones may be provided in the gaps, and the flap may resist horizontal and vertical bending in locations where a rigid segment is provided. The elastic stretch zones may be configured to permit vertical bending when the flap is opened.

A security door apparatus for a structure including one or more frame portions having sidewalls and a removeable gate. The gate portion can be removably couplable to the sidewalls. Frame portions can include a sliding mechanism and locking mechanism. The door portion can include a first side wall and a second sidewall with an intermediate portion formed between the first and second sidewall. The intermediate portion can be hingedly coupled to one or both of the sidewalls. The apparatus is configured to be placed over an existing pet door for adding extra security. The removeable gate configured to slide up and down and can be locked and unlocked by moving the locking tab between an open and closed position.

The utility model discloses a steel fireproof door with a noise isolation structure, which comprises a steel fireproof door body, a communication port is arranged on the steel fireproof door body in a penetrating manner, a communication mechanism is arranged between the steel fireproof door body and the communication port, and the communication mechanism comprises a blocking plate hinged on the front side wall of the steel fireproof door body. And the blocking plate is located in the communicating opening, two limiting blocks are fixedly installed on the front side wall of the blocking plate, inserting holes are formed in the two limiting blocks in a penetrating mode, and a limiting frame is fixedly installed on the front side wall of the steel fireproof door body. The steel fireproof door is reasonable in structural design, when the bottom of the steel fireproof door is blocked by a falling object on a ceiling in a fire disaster, a rescuer can open the steel fireproof door from the other side of the steel fireproof door, the rescuer can conveniently and quickly enter the steel fireproof door to clean obstacles and quickly open the steel fireproof door, and normal rescue operation is guaranteed.

A pet access control system according to various aspects of the present technology may comprise a door unit interoperable with a security panel holder. The door unit covers a passage through a structure, such as through the wall or door of a building. The door unit may include a connector that may be mounted on a legacy security panel holder or a dedicated mounting system for the door unit. The door unit may operate in conjunction with a pet identification system to automatically identify and grant access only to authorized pets.

The utility model relates to the technical field of passive fireproof doors, in particular to a passive fireproof door which comprises a fireproof door body, one side of the fireproof door body is fixedly connected with a fireproof frame, the fireproof frame comprises two first iron sheets, two second iron sheets are fixedly connected between the two ends of the two first iron sheets, and the two first iron sheets are fixedly connected with the two second iron sheets. First fireproof wood and second fireproof wood are fixedly connected to the first iron sheets and the second iron sheets correspondingly, and gap grooves are formed in the sides, facing the first iron sheets and the second iron sheets, of the first fireproof wood and the second fireproof wood correspondingly. By means of the technical scheme, heat conduction is reduced, indoor and outdoor heat exchange is reduced, and air tightness and heat preservation performance are improved, so that effective fireproof time is prolonged for personnel, the overall strength of the fireproof door is improved, the service life of the fireproof door is prolonged, meanwhile, a channel can be rapidly opened after a fire is weakened, and the fireproof door is safe and reliable. Therefore, the life safety of personnel is ensured.