251 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 utility model discloses a flat opening type threshold-free electric shielding door, and relates to the technical field of shielding doors. Comprising a main door body connected with a door frame through hinges, and a first driving mechanism used for driving the main door body to rotate is arranged on the main door body; the auxiliary door body is mounted on the main door body and is in sliding fit with the main door body in the vertical direction; the movable shielding body is mounted on the auxiliary door body and is in sliding fit with the auxiliary door body in the horizontal direction; the second driving mechanism is mounted on the auxiliary door body and is used for driving the auxiliary door body to lift and driving the movable shielding body to translate; the guide rail is arranged in a door groove in the front side of the door frame; and the moving trolley is in sliding fit with the guide rail, and in the door opening state, the moving trolley slides to the front of the door frame to fill and level up the door groove. The requirement for transferring large equipment is met through the threshold-free design, and meanwhile the beryllium copper reeds can be prevented from being damaged.

The invention discloses a light threshold-free flood-proof protective air-tight door which comprises a threshold-free door frame, two door leaves and a sealing piece. A sealing plate is arranged at the bottom of the doorsill-free door frame and provided with an insertion hole. The two door leaves are hinged to the two sides of the doorsill-free door frame, and each door leaf comprises two panels and a honeycomb interlayer welded between the two panels; the sealing piece comprises a movable sealing strip, a butt joint sealing strip and a door frame sealing strip. The movable sealing strip is connected with the lower bolt, and when the lower bolt is downwards inserted into the insertion hole, the movable sealing strip seals a gap between the bottom of the door leaf and the sealing plate; the two butt joint sealing strips are arranged between the two door leaves respectively; the door frame sealing strip is arranged between the side face of the door leaf and the inner side of the doorsill-free door frame. When the two door leaves are closed, the two butt-joint sealing strips abut against each other, and the door leaves abut against the inner side of the doorsill-free door frame through the door frame sealing strips. By means of the arrangement, the doorsill-free design facilitating passing can be achieved, and high strength and good flood prevention and protection sealing performance can be achieved.

The invention discloses a light fixed doorsill flood-proof protective air-tight door. The light fixed doorsill flood-proof protective air-tight door comprises a door frame, two door leaves and two linkage locking assemblies. The two door leaves are hinged to the two sides of the door frame, and each door leaf is of an aluminum honeycomb sandwich structure. The two linkage locking assemblies correspond to the two door leaves correspondingly. The linkage locking assembly comprises a driving rotary disc, an upper linkage rod, a lower linkage rod, an upper plug pin and a lower plug pin. An upper chassis is hinged to the upper bolt and is connected with the door leaf; a lower chassis is hinged to the lower bolt and is connected with the door leaf; a main chassis is hinged to the driving rotary disc and connected with the door leaf. Two ends of the upper linkage rod are respectively hinged with the upper bolt and the driving turntable; two ends of the lower linkage rod are respectively hinged with the driving turntable and the lower bolt; and when the driving turntable rotates by an angle, the upper bolt and the lower bolt synchronously rotate to respectively rotate the upper frame and the lower frame of the door leaf. By means of the arrangement, the door leaf is designed to be light, and the locking structure of the door leaf can achieve the functions of being reliable in driving and high in reaction efficiency.

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.

A threshold assembly 400 is mounted in use on a door sill 2 to seal a gap below the bottom surface 13 of an exterior door 10. The assembly includes first and second metallic parts 20, 30, e.g. aluminium extrusions, joined by an insulative body (40, fig 7F), e.g. a plastics extrusion, which extends below the bottom surface of the door when closed. A compression seal 50 is arranged in compression between a stop surface of the first part and a first side 11 of the door when closed. A bottom seal 60, 70 is mounted on the insulative body to engage the bottom surface of the door when closed. Drainage holes 45 may be formed through the insulative body 40 to open within an upwardly open recess 41 defining an air pocket 80 below the bottom surface of the closed door in-between the compression seal and the bottom seal.

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.

A door assembly comprising a base profile (20) extending in a longitudinal direction (1) with a bottom surface (25), wherein the bottom surface (25) is configured as a contact surface for the base profile (20) against a flat and preferably horizontally extended floor support surface (2) not belonging to the door assembly, a pivotably and / or slidably held door leaf (10), and a floor threshold (30) also extending in the longitudinal direction (1), wherein the floor threshold (30) provides a surface (31) inclined relative to the bottom surface (25) as a leveling element, and the top surface (24) of the base profile (20) opposite the bottom surface (25) is placed against it, characterized in that a pleated element (40) is provided as an insect screen and a guide groove (33) extending in the longitudinal direction (1) is formed in the inclined surface (31) of the floor threshold (30).wherein the guide groove (33) is designed as a pleated guide and the pleated element (40) is arranged to be longitudinally displaceable in the guide groove (33).

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).

The invention discloses a novel platform door insulation threshold which comprises a surface insulation threshold body, the threshold body comprises a platform side threshold body and a rail side threshold body, a gap between the platform side threshold body and the rail side threshold body serves as a guide groove for operation of a sliding door guide shoe, and the sliding door guide shoe comprises a guide shoe mounting frame and sliding strips on the two sides. A clearance compensation device is arranged on the rear surface of the track side threshold and is formed by vulcanizing rubber and a lining steel plate; the positions where the two sides of the doorsill are connected with the stand columns are provided with stand column insulation blocks which isolate the doorsill from the stand columns, and the upper portion of the doorsill is provided with a door body and stand column wrapping edges which are subjected to surface insulation treatment. The insulation problem of the platform door threshold is solved in a surface insulation mode, the insulation effect is good, the threshold surface is high in anti-skid performance, the structure is simple, and maintenance is easy.

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.