176 results about "Door threshold" patented technology

A barrier system that occupies less space in transportation and reduces the identification and matching time of parts for assembly to improve assembly efficiency. The barrier system includes a door leaf and a frame with a first, second, and third assembly modules. The first assembly module includes a first door leaf subassembly module and a first frame subassembly module that are rotatably connected. The second assembly module includes a second door leaf subassembly module that may be detachably connected with the first door leaf subassembly module to form a door leaf. The third assembly module includes a second frame subassembly module detachably connected with the first frame subassembly module to form a frame with a low-profile threshold. The first, second, and third assembly module are independent of each other when they are not assembled, and together form a barrier system after assembly.

A threshold assembly has an interior side, an exterior side opposite the interior side, a top side, and a bottom side opposite the top side and includes a substrate and a sill deck. The sill deck is attached to the substrate and includes a deck cover and a sill track. The deck cover may be positioned over a portion of the substrate. The deck cover extends towards the exterior side of the threshold assembly. The sill track has an attachment wall, an exterior wall, and a bottom wall, the attachment wall is positioned on an exterior side of the substrate. The exterior wall is positioned on an exterior side of the attachment wall and defines the exterior side of the threshold assembly. The attachment wall and the exterior wall define a channel therebetween with the channel being open upward and closed on the bottom by the bottom wall.

The present utility model relates to the field of roll-on / roll-off apparatuses. Disclosed is an airtight door for a passage apparatus of a roll-on / roll-off ship, the airtight door comprising an inclined ramp, a door body and a horizontal passage, wherein the door body is arranged between the inclined ramp and the horizontal passage; the door body is hinged to the horizontal passage by means of a hinge having an oblong hole; a sealing assembly is provided on the door body; a door frame is provided on the horizontal passage; the door body and the door frame are arranged to fit each other, and the door body and the door frame are both obliquely arranged; a push-pull device is mounted in the horizontal passage; a slider is connected to one end of the push-pull device; and a support connecting rod is hinged to the slider, and the support connecting rod is hinged to the door body. The airtight door for a passage apparatus of a roll-on / roll-off ship provided in the present utility model can make full use of the door's own weight to perform compression sealing, has strong airtightness and a good sealing effect, is safe, stable and reliable, has a simple structure, and is easy to maintain; besides this, the airtight door achieves a design without a door sill raised from the ground, does not hinder the passage of vehicles or the transport of goods, and has strong applicability.

The utility model discloses a sound insulation door bottom sealer which comprises a bottom cover plate, and a sectional material is installed in the bottom cover plate and used for installing a sealing piece. Eight sealing strips are arranged on the sealing pieces, seven labyrinth sealing cavities are formed by the eight sealing strips on the sealing pieces, the multiple sealing pieces extend to the outer side of the bottom cover plate from the sectional material, and when the bottom cover plate moves downwards to be attached to the ground, the sealing pieces are extruded by the ground to deform, and the sealing effect is achieved. The deformation degrees of the multiple sealing strips in contact with the doorsill stone are different, it is ensured that the sealing strips are tightly attached to the doorsill stone so as to prevent sound transmission, the sealing and sound insulation effects are better, the sealing and sound insulation structure is particularly suitable for being installed at the position where a lower doorsill cannot be arranged, and the graphite pad is used for enabling vertical movement between the sectional material and the bottom cover plate to be smoother and more stable due to the small friction coefficient; the service life is prolonged, and the mute effect can be achieved; the section bar and the bottom cover plate are connected and fixed through a spring piece and a screw, and the section bar can be conveniently detached from the bottom cover plate.

The invention discloses a sealing structure for a doorsill-free civil air defense door, and belongs to the technical field of civil air defense door sealing structures, the sealing structure comprises a sealing plate, the sealing plate is arranged on one side of a door leaf and can translate relative to the door leaf along the height direction of the door leaf or turn over relative to the door leaf around an axis parallel to the width direction of the door leaf; the connecting block is fixed on the sealing plate; the sliding block is arranged on one side of the door leaf and hinged to the connecting block, and the sliding block is configured to slide in the height direction of the door leaf relative to the door leaf; when the limiting assembly moves downwards to the ground and is extruded, the limiting assembly unlocks the sliding block and the connecting block and locks the sliding block and the door leaf, and under the condition, in the process of pushing the sealing plate downwards, the sealing plate can deflect downwards and be pressed between the door leaf and the ground, so that the door leaf is prevented from being damaged. Therefore, sealing between the door leaf and the ground is achieved.

The application discloses a sealing structure for a no-threshold civil air defense door and belongs to the technical field of civil air defense door sealing structures. The sealing structure comprises a sealing plate, which is arranged on one side of a door leaf and can be translated along the height direction of the door leaf or be flipped relative to the door leaf along an axis parallel to the width direction of the door leaf; a connecting block, which is fixed to the sealing plate; and a sliding block, which is arranged on one side of the door leaf and is hinged to the connecting block. The sliding block is configured to be able to slide along the height direction of the door leaf relative to the door leaf. When a limiting assembly is lowered to the ground and is pressed, the limiting assembly realizes unlocking of the sliding block and the connecting block and locking of the sliding block and the door leaf. In this case, in the process of pushing the sealing plate downward, the sealing plate can be deflected downward and be pressed tightly between the door leaf and the ground, so that the sealing between the door leaf and the ground is realized.

The utility model relates to the technical field of subway platform doors, and discloses an aluminum alloy subway platform door device which comprises a doorsill, a lintel, a door body and a stand column assembly connected with the doorsill, the lintel and the door body. The door body is composed of a door frame and tempered glass bonded to the door frame. Connecting corner connectors and connecting plates are arranged in the four corners of the door frame in a hidden mode, each connecting corner connector is a rectangular groove and clamped in a transverse frame of the corresponding corner of the door frame, and the size of each connecting corner connector is matched with the size of the section of the corresponding transverse frame. The connecting plate is clamped in the vertical frame at the corner of the door frame at the position consistent with the connecting corner brace in height, and the size of the connecting plate is matched with that of the section of the vertical frame; the connecting corner connectors are fixedly connected with the connecting plates through connecting screws so as to fixedly connect the transverse frames and the vertical frames at the corners of the door frame; the doorsill, the lintel, a door frame of the door body and the stand column assembly are all made of aluminum alloy. On the premise that the strength of the door body of the platform door is guaranteed, the phenomenon that the platform door is blocked when being opened under high wind pressure is avoided.

The utility model discloses a counter-pulling anchoring flood gate adopting a rear anchoring mode, which comprises a door frame structure, a door leaf, a locking structure, a hinge and an anchoring device, the door frame structure is arranged in a door opening of a wall body through the anchoring device, the door leaf is connected to the wall body through the hinge, and the locking structure is arranged on the door leaf; the door frame structure comprises a door frame and a doorsill, the anchoring devices comprise the first anchoring device and the second anchoring device, the door frame is arranged in a door opening of a wall through the first anchoring device, the doorsill is arranged on the ground through the second anchoring device, and the hinge is arranged on the wall through the first anchoring device. The door frame is fixed in the wall body through the anchoring device, the structural complexity of the door frame is greatly reduced, the adopted opposite-pulling anchoring mode has the advantages of being simple in structure, high in anchoring strength and convenient to install, and the protection performance of the moisture-proof door can be effectively improved.

The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door with a dust-proof doorsill, which can not influence the smoothness of entering and exiting in ordinary days, effectively avoid dust accumulation on the doorsill, improve the dust-proof performance of the doorsill, and avoid influence on the sealing when a door body is closed in wartime. Comprising a civil air defense door frame, a civil air defense door body is rotatably installed at the front end of the civil air defense door frame, a connector is integrally and fixedly arranged at the left end of a threshold, a storage groove is formed in the inner wall of the left side of the civil air defense door frame, the lower end of the storage groove extends to the bottom end of the civil air defense door frame, and two sets of supports are fixedly connected to the bottom end of the storage groove; the L-shaped inserting block is slidably installed in the sliding groove through cooperation with the opening, multiple sets of springs are fixedly connected between the left end of the L-shaped inserting block and the left end of the sliding groove, a horizontal inserting groove matched with the L-shaped inserting block is formed in the lower portion of the inner wall of the right side of the civil air defense door frame, the L-shaped inserting block is inserted in the horizontal inserting groove, and a vertical inserting groove matched with the L-shaped inserting block is formed in the top end of the containing groove.

The invention relates to the field of vehicles, and provides a door post structure, a vehicle body and a vehicle. The door post structure comprises a lower joint area and a threshold area which are connected, the threshold area comprises a first sub-area, a second sub-area and a third sub-area which are distributed in the first direction, and reinforcing ribs are arranged on the lower joint area, the first sub-area, the second sub-area and the third sub-area; wherein the reinforcing ribs on the second sub-area comprise a plurality of ribs and a plurality of first rib plates, the ribs and the first rib plates intersect to form a plurality of triangular mesh structures, the first rib plates are arranged in an arc-shaped plate mode in the first direction, the ribs extend in the second direction, and the first rib plates extend in the second direction. The first direction intersects with the second direction. The first rib plate guides the automobile body metal plate to be bent in the height direction, the automobile body is originally in an arc shape in the height direction, a certain degree of bending deformation can be allowed, and the automobile body is prevented from being bent in the length direction.

The invention relates to a door threshold with a cold-bridging break, which includes cast floor plates 1 and 2 that are on opposite sides of the door threshold, and reinforcement bars 3 connecting them. Between the floor plates 1 and 2, there is a vertical thermal insulation plate 4 with an edge running in the direction of the door threshold, the upper edge of the vertical thermal insulation plate 4 is covered by a generally U-shaped door threshold cover profile 5. Reinforcement bars 3 are made of non-metallic material, vertical thermal insulation plate 4 is a cellular glass plate, and U-shaped cover profile 5 is made of thermoplastic elastomer (TPE).

Door system with: a door leaf (1), a door threshold (3), a door frame (5) and a locking system (7), wherein the door leaf (1) is arranged on the door threshold in order to be rotatably mounted about an axis within the door leaf (1) between a closed and an open position, wherein the locking system (7) has several locking units (13), each having a door leaf-side element (9) and a frame-side element (11) which engage with each other in the locked state, wherein the multiple locking units (13) are arranged and designed to be distributed around the circumference of the door leaf (1) in order to pull the door leaf against the door frame (5) on both sides of the axis when locked.

The discharging door comprises a small door outer plate and a small door inner plate, transverse reinforcing ribs and longitudinal reinforcing ribs are arranged between the small door outer plate and the small door inner plate in a staggered mode, through inflation holes are formed in the small door outer plate and the small door inner plate, inflation nozzles are arranged at the outer ends of the inflation holes, and a heat preservation layer is arranged in the small door inner plate. The heat preservation bulk container comprises the discharging door, the front end of the container is hinged to the discharging door through a hinge plate, a threshold is arranged at the lower end of the opening, a bolt locking rod is arranged at the lower end of the discharging door, a bolt base is arranged on the outer side face of the threshold, and the discharging door is separated from or fixed to the container through the bolt locking rod and the bolt base. A whole box sandwich foaming structure is adopted, so that the reliability of grain transportation is ensured; the unloading efficiency can be effectively improved through a heat-preservation sealed unloading door structure; the double-layer sealing rubber strip structure of the box door effectively improves the air tightness; an inflation valve is additionally arranged on the discharge door, so that gas can be conveniently supplemented; the sensor in the box is used for detecting the temperature and the gas concentration in the box.

The utility model provides a kind of electric no-threshold double-leaf lightweight civil air defence door, belongs to the related technical field of civil air defence equipment, including: door frame, door frame includes roof beam, side beam and bottom plate;Door leaf, door leaf is provided with two, door leaf can be after closing with roof beam and side beam and forms airtight cooperation structure;Door lock system, door lock system includes door lock drive assembly and the sealing beam power connection with door lock drive assembly, the side of sealing beam is provided with the first sealing rubber strip of sliding airtight cooperation with door leaf, the bottom surface of sealing beam is provided with the second sealing rubber strip of airtight cooperation structure that can be with bottom plate and forms, the utility model has adopted no-threshold structure design, and cooperates sealing beam structure, sets up first sealing rubber strip and second sealing rubber strip on sealing beam, can realize the airtightness of door leaf closing under no-threshold structure, the utility model structure design is reasonable, and airtightness is excellent, important is that no-threshold structure design is more convenient personnel, equipment pass.

An elevator door enforcer may be used to enhance the safety of an elevator landing door. The device includes a pin, and a mechanical structure that affixes the pin securely to the elevator landing door. The pin is a protruding structure that may be positioned so that a portion of the pin protrudes from the affixation point, downwards past the bottom of the elevator landing door, and into a sill groove when the elevator door enforcer is in use.

This invention provides a structure and vehicle for improving the sound quality of a side door assembly when closing, belonging to the technical field of side door structures. The structure improves the sound quality of the side door assembly when closing by installing two sound-damping plates inside the through cavity of the door pillar. These plates isolate the noise generated by the door lock assembly during closing, preventing sound and airflow from diffusing through the through cavity to the upper roof beam or lower door sill beam. By changing the direction of sound and airflow diffusion and shortening the duration of sound when the side door closes, the high-frequency components of the closing sound are effectively controlled. Furthermore, a reinforcing structure is added to the inner wall of the side door outer panel to improve its dent resistance. A clip is used to secure the pull cable, and a flexible sleeve is installed around the pull cable to prevent impact noise between the cable and the side door reinforcement plate. These structures effectively improve the sound quality when the side door closes.

The utility model discloses an electromagnetic shielding special door, and relates to the technical field of special doors. The electromagnetic shielding special door comprises a bearing type lower threshold, a door frame is fixedly connected to the upper end of the bearing type lower threshold, two door leaves are arranged on the front side of the door frame, an electromagnetic shielding assembly comprises an electromagnetic shielding strip, and electromagnetic shielding beryllium copper spring pieces are fixed to the periphery of the door frame through rivets; monel wire sealing strips are fixedly connected to the upper sides and the lower sides of the two door leaves and the corresponding sides, close to the door frame, of the two door leaves, slotting tool type folded edges are arranged on the peripheries of the door leaves, and electromagnetic shielding strips, electromagnetic shielding beryllium copper spring pieces, the monel wire sealing strips, the door frame and the shielding chamber are fixed through electric welding. After being fixed, the electromagnetic shielding strip covers the gap between the outdoor side door frame and the shielding room steel stand column, the graphite conductive adhesive is filled in the indoor side gap, and through the design of multiple electromagnetic shielding structures, the electromagnetic energy is effectively shielded, and the electromagnetic environment safety of places such as a cabinet and a shielding room is ensured.

This invention discloses an embedded dual-purpose (manual and electric) electromagnetic shielded door system, comprising an embedded door frame assembly, a gantry bracket assembly, a lower guide rail, an adjustable threshold component, a composite door leaf, a door leaf drive assembly, and a sliding assembly. The sliding assembly is connected to the composite door leaf via a lifting arm, and the door leaf drive assembly is connected to the lower guide rail. The door leaf drive assembly moves along the lower guide rail, opening and closing the composite door leaf in cooperation with the sliding assembly. The adjustable threshold component includes a threshold body, a threshold drive assembly, a lifting assembly, a lifting threshold, a linear drive assembly, and a support plate. The support plate is slidably mounted on the lifting threshold, and the threshold drive assembly and the lifting assembly drive the lifting threshold vertically up and down, sealing the bottom of the composite door leaf. This system has both manual and electric opening and closing modes, high reliability, secure connection, good electromagnetic shielding capability, good passage after the door leaf is opened, and broad application prospects.

The application discloses a protective closed door and a control method thereof. The protective closed door comprises a door leaf hinged to a wall body, a driving mechanism installed on the wall body, a locking support mechanism arranged on the door leaf, a detection device interlocked between the driving device and the driving mechanism, a first locking component and a movable beam at the bottom of the door leaf synchronously driven by the driving device through a transmission assembly. When the driving mechanism drives the door leaf to close, the driving device drives the first locking component to extend and be inserted into the second locking component on the wall body, and drives the movable beam to extend and be pressed into the sealing baffle on the wall body. When the driving device drives the first locking component and the movable beam to retract, the driving mechanism drives the door leaf to open. The protective closed door is used at the entrance of a protective project, and can realize electric and manual operations. The locking support mechanism can realize the functions of door leaf locking, anti-rebound, door sill support and bottom sealing simultaneously.

The invention relates to the technical field of cleaning devices, and discloses a self-cleaning type energy-saving door and window and a cleaning method.The self-cleaning type energy-saving door and window comprises a door body, the lower end of the door body is rotationally connected with a threshold, a cleaning device is arranged on the front surface of the door body, a water circulation device is arranged in the threshold, and the water circulation device comprises a baffle plate; and the inner surface of the baffle plate is rotationally connected with an inner shaft. According to the invention, through the arrangement of a baffle plate, a division block, an inner shaft, an inclined plate and sealing plates, water naturally sliding down along the door body can be collected in the process of spraying water and cleaning by an upper spray head, the inclined plate moves towards two sides through the inclined plane of the inclined plate, and sieve plates made of different materials can be correspondingly inserted into the sealing plates on two sides, so that the cleaning effect is improved. And the water pump can pump out the purified water again for cleaning, so that the overall water consumption of the device in the door and window cleaning process is small.

The civil air defense door comprises a base part, a door leaf part, a transmission assembly and a doorsill part, the base part is provided with a plane, the plane is provided with an avoiding opening communicated with an inner cavity of the base part, the door leaf part is rotatably arranged on the upper side of the plane, the transmission assembly is arranged on the base part and connected with the door leaf part, and the doorsill part is arranged on the door leaf part. The doorsill part is arranged on the base part in a lifting mode, the door leaf part and the doorsill part are arranged front and back, the doorsill part is connected with the transmission assembly, and when the door leaf part is rotationally opened, the door leaf part can drive the doorsill part to descend through the transmission assembly so as to drive the doorsill part to move to the receding opening and be flush with the plane, so that daily personnel or vehicles can pass conveniently; when the door leaf part is rotationally closed, the door leaf part can drive the threshold part to ascend through the transmission assembly so that the threshold part can be driven to move to the position higher than the bottom of the door leaf part from the receding opening.

The invention relates to an elevator system (1) having a pit ladder (4) which is integrated in a lowermost shaft door (3) and the uppermost rung (7) of which is formed by a door sill (5) of the shaft door (3). The pit ladder (4) is pivotable. A toe guard (17) is located under the door sill (5) and is designed in such a way that, when the pit ladder (4) is in a normal position, it covers the gap between the uppermost rung (7) and a second-uppermost rung (8).

The invention relates to an automatic double swing door (10) with a defined threshold (12), comprising a first door leaf (20) and a second door leaf (30), wherein the automatic double swing door (10) has a first hinge (22) about which the first door leaf (20) can be pivoted from a closed position to an open position, a second hinge (32) about which the second door leaf (30) can be pivoted from a closed position to an open position, wherein the automatic swing door (10) has a door sensor (40) for monitoring a monitoring area (MA), wherein the door sensor (40) evaluates the monitoring area (MA) with respect to at least one object in the monitoring area (MA), wherein the door sensor (40) determines an evaluation result and transmits the control signal (CS) to the control unit (50) depending on the evaluation result, wherein the door sensor (40) comprises a determination unit (42) which determineswhether the at least one object (O1) intends to pass over the door threshold (12). According to the invention, the detection unit (42) determines whether the object (O1) is approaching the door threshold (12) from a position (POS_L) within the monitoring area (MA) that is closer to the first hinge (22) than to the second hinge (32). The door sensor (40) is further configured to send a control signal (CS) to the control unit (50) when the object (O1) intends to pass through. The control unit (50) then activates the second door drive (34), or the first door drive (24) and the second door drive (34), to open only the second door leaf (30) to an opening angle that allows the object (O1) to pass through.

The SMC door frame of the double-leaf threshold-free protective airtight door comprises a top frame, two side frames and a bottom frame, the top frame comprises a first top frame body, a second top frame body, a third top frame body and a fourth top frame body, one end of the first top frame body is provided with a first connecting structure, the other end of the fourth top frame body is provided with a second connecting structure, and the second connecting structure is provided with a second connecting structure. The two side frames are symmetrically arranged at the two ends of the top frame, third connecting structures are arranged at the tops of the two side frames correspondingly, the two third connecting structures are connected with the first connecting structures and the second connecting structures in an inserted mode correspondingly, and the bottom frame comprises two first bottom frames and two second bottom frames; one ends of the two first bottom frames are connected with the bottoms of the two side frames in a clamped mode respectively, one ends of the two second bottom frames are matched, and the other ends of the two second bottom frames are matched with the other ends of the two first bottom frames respectively. The door frame is made of the SMC composite material, and the door frame is of a split structure, so that the door frame is light in weight and convenient to transport and install.

The utility model discloses a rear embedded ventilation structure for aeration behind a gate, which comprises a gate chamber, a bottom plate of the gate chamber is divided into a doorsill front bottom plate and a doorsill rear bottom plate, the doorsill front bottom plate is horizontally arranged, the doorsill rear bottom plate is lower than the doorsill front bottom plate, and an aeration groove is arranged on the doorsill rear bottom plate; an air mixing pipe is vertically arranged in the side wall of the lock chamber, a bottom port of the air mixing pipe extends into the air mixing groove, and a top port of the air mixing pipe extends into the lock chamber and is higher than the highest drainage water surface line; a breather pipe is arranged in the rear wall of the lock chamber, a bottom port of the breather pipe is arranged to be higher than the highest drainage water surface line, and a top port of the breather pipe extends upwards to the position above the free water surface of the lock top. The device is simple in structure, convenient to construct, low in cost, good in operation effect and capable of conducting aeration protection on the bottom plate of the lock chamber and the lower portion of the side wall, so that the corrosion reducing and resisting effects on the concrete side wall are achieved, and engineering safety is guaranteed.

The utility model discloses an integrated tool in the field of vehicle door systems, which comprises a main body frame, and an upper sealing surface fixing mechanism is arranged at the top of the main body frame and is used for positioning and mounting an upper sealing surface; door leaf positioning structures are arranged above and below the main body frame; the door leaf positioning structure comprises a door leaf top limiting mechanism and a door leaf bottom limiting mechanism, the door leaf top limiting mechanism is arranged at the top of the main body frame, and the door leaf bottom limiting mechanism is arranged at the bottom of the door leaf positioning structure; a bearing driving mechanism fixing part and a side sealing surface fixing part are correspondingly arranged on the side part of the main body frame; a threshold fixing structure and a swing arm positioning structure are correspondingly arranged at the lower part of the main body frame; during installation, the components of the door system are fixed on the main body frame in advance, an accurate installation reference is provided for the components of the door system, an operator can neglect the influence of the vehicle body precision on the adjustment of the door system, excessive adjustment is not needed, and the dependency on the technical level of the operator is low.

This invention relates to the field of door sills, specifically a door sill assembly, a body assembly incorporating the door sill assembly, and a platform-based and universal design method for the door sill assembly. The assembly includes a door sill reinforcement plate, with a rear door sill connecting plate at its end. The door sill reinforcement plate and the rear door sill connecting plate are separate designs. In use, the rear door sill connecting plate is connected to the end of the door sill reinforcement plate. This invention discloses a door sill assembly. Because the door sill reinforcement plate and the rear door sill connecting plate are separate designs, it facilitates the reuse of the door sill assembly in different vehicle models. Furthermore, the reuse of the door sill reinforcement plate assembly improves production efficiency, reduces costs, and saves manpower. The door sill reinforcement plate itself can be modified and reused according to changes in wheelbase length. By reusing the door sill assembly, manpower is saved, and development and per-vehicle costs are reduced.