Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

4014results about "Sealing arrangements" patented technology

Electric roller shutter door

The invention discloses an electric roller shutter door. The electric roller shutter door comprises a support assembly, a roller shutter door body and an electric roller shutter door body, the roller shutter door piece comprises a plurality of door piece bodies, the door piece bodies are sequentially connected in series, and the ends, in the length direction, of the door piece bodies are movably connected to the support assembly; the transmission shaft is inserted between the two adjacent door sheet bodies, the transmission shaft is provided with a protruding part protruding out of the roller shutter door sheet, and the protruding part is located in the track of the support assembly; the driving assembly is connected with the support assembly, and the driving assembly is matched with the transmission shaft so as to drive the roller shutter door piece to move along the track of the support assembly; and the at least one clearance compensation piece is connected with the two protruding parts located on the same side of the roller shutter door piece. In this way, the operation stability of the electric roller shutter door can be improved, noise can be reduced, and the service life of the electric roller shutter door can be prolonged.
Owner:ZHONGSHAN AUTO ELECTRONICS TECHNOLOGY CO LTD

Coal mine ventilation air door structure

The utility model discloses a coal mine ventilation air door structure, which relates to the technical field of coal mine ventilation, and comprises a door frame and door plates, the inner side of the door frame is symmetrically provided with two groups of door plates, the bottom ends of the two groups of door plates are respectively provided with a rectangular groove, a sealing plate is accommodated in the rectangular groove, and a thread groove is arranged in the sealing plate. Through the arrangement of the sealing plate and the threaded rod, during use, filling of gaps between the bottom end of the door plate and the ground can be achieved through mutual matching of the sealing plate and the threaded rod, diffusion of harmful gas is prevented, normal drainage operation in a mine cannot be affected, and therefore the safety of the device during use can be effectively improved; and the U-shaped block and the rotating plate are arranged, in the using process, through mutual cooperation of the linkage block and the rotating plate, covering protection on the rotating rod and the rotating block can be achieved, dust and other sundries are prevented from being attached to the rotating block and the rotating rod, and therefore abrasion generated when the rotating rod rotates can be effectively reduced.
Owner:马健

Door extrusion type door opening and closing sealing device for cleaning and disinfecting machine

The utility model relates to a door extrusion type opening and closing door sealing device for a cleaning and disinfecting machine. A plurality of sets of driving connecting plates are hinged to the side walls of the inner door and the outer door, the inner door is installed on the outer door through the driving connecting plates and vertically ascends and descends along with the outer door, the driving connecting plates are in an inclined state when the inner door ascends and descends, and an inner door top frame which is kept still relative to the cleaning and disinfecting machine is arranged below the inner door. After the bottom face of the inner door abuts against the top face of the inner door top frame, the connecting plate is driven to be in a horizontal state, pressure is applied to the outer side face of the inner door, and the inner side face of the inner door abuts against the sealing door rubber strip. The inner door applies pressure to the outer door through the inner door, then the inner door is tightly attached to the sealing door rubber strip through the pressure transmitted by the outer door, multiple extrusion sealing is formed, leakage of water vapor and chemical substances in the cleaning and disinfecting process is effectively prevented, the sealing performance of the hatch is ensured, and therefore the cleaning and disinfecting efficiency and effect are improved.
Owner:LIANYUNGANG YOUYUAN MEDICAL EQUIP MFG

Continuous locking hinge assemblies and folding door assemblies including the same

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.
Owner:ENDURA PRODS INC

Component based frame and flexible sheet system for a large opening

A frame and flexible sheet system for an opening includes a top lineal track body with a top weather-stripping lineal, a bottom lineal track body, and an assembly component with articulating frame segment pair, swinging frame segment, and bottom weather-stripping lineals. The system further comprises an engagement and rolling component for the first top corner of the articulating frame segment pair, an engagement and pivoting component for the second top corner, and a bottom lineal track insert anchoring the bottom corner. The articulating frame segment pair is configured to hang from the top lineal track body. This system provides a versatile and efficient solution for enclosing and securing openings to spaces.
Owner:MARHAYGUE LLC

Glass vacuum cavity and manufacturing method

The invention belongs to the field of advanced scientific devices integrating optics, quantum mechanics, atomic physics and a vacuum technology, and particularly relates to a glass vacuum cavity and a manufacturing method thereof.The manufacturing method includes the steps that the inner surfaces of window pieces are machined firstly, an inner working face with high surface shape precision can be obtained, and after the inner surfaces are machined, the four window pieces are plated with films, and the working faces are plated with antireflection films; the optical cement surface is plated with an optical cement auxiliary film, and the diffraction film is rubbed after the optical cement surface is plated with the film, so that the optical cement strength is ensured to be optimal. After every two of the four window sheets are subjected to optical cement deepening, the outer surfaces are processed, and when the outer surfaces are processed, the inner surfaces are protected, so that the quality of a film layer is not damaged. By means of the method that optical processing, film coating and optical cement deepening are conducted on the inner surface alternately, and then optical processing, film coating and optical cement deepening are conducted on the outer surface alternately, the glass vacuum cavity which is high in window piece surface shape precision, high in window piece parallel precision, high in combination strength and good in air tightness, and the film layer surface quality is not prone to pollution or damage can be machined.
Owner:XI AN SNP PRECISION OPTICS CO LTD

Steel double-leaf flood gate

The utility model relates to a steel double-leaf flood-proof door which comprises a door frame, door leaves, an upper bolt clamping mechanism and a lower bolt clamping mechanism, the upper bolt clamping mechanism and the lower bolt clamping mechanism are arranged on the door leaves, a lower doorsill of the door frame is buried in a terrace, and the upper surface of the door frame is flush with the terrace; the upper part of the lower doorsill is provided with a plurality of openings for inserting bolts; the upper and lower bolt clamping mechanism comprises a bolt, a movable sinking water retaining block which moves up and down synchronously with the bolt is fixedly arranged on the bolt, the movable sinking water retaining block is in an L shape, the bottom face of the movable sinking water retaining block can cover the upper surface of the lower doorsill, and a rubber sealing piece is arranged on the side face of the movable sinking water retaining block to be attached to the door leaf. The lower doorsill is pre-buried in the terrace and kept on the terrace, when the plug pin is downwards inserted into the lower doorsill, the L-shaped movable sinking water retaining block moves downwards together, the bottom face of the L-shaped movable sinking water retaining block presses the lower doorsill, meanwhile, the side face of the L-shaped movable sinking water retaining block blocks a door crack in the bottom of the door leaf, and the good sealing and flood preventing functions are achieved.
Owner:SHANGHAI SENLIN SPECIAL TYPE STEEL DOOR

Quick splicing structure for door and window frame

The invention relates to the technical field of door and window accessories, in particular to a quick splicing structure for a door and window frame, which comprises a body, the body is of a right-angle structure, the corner of the body is sleeved with an annular liquid bag, the annular liquid bag is filled with colloid, and the annular liquid bag is provided with a puncture part. Elastic sealing rings are arranged at the two ends of the annular liquid bag, the two ends of the body are sleeved with supporting sleeves, the supporting sleeves can slide in the extending direction of the body, the end face of the end, facing the corner of the body, of each supporting sleeve is a first annular conical surface, and the small end of each first annular conical surface faces the annular liquid bag, so that the elastic sealing rings can be expanded while the annular liquid bag is extruded; and then the space between the two elastic sealing rings is sealed, along with continuous movement of the supporting sleeve, the two elastic sealing rings extrude the annular liquid bag inwards at the same time, the annular liquid bag is punctured under the action of the puncturing part, the space between the two elastic sealing rings is filled with colloid in the annular liquid bag, and therefore the sealing effect is guaranteed while operation is simplified.
Owner:FOSHAN XINHAOXUAN SMART HOME TECH CO LTD

Door assembly and components for providing electromagnetic compatibility (EMC) shielding

A door assembly provides EMC shielding to provide EMI / RFI protection. The door assembly has an EMC door frame, an EMC door, and EMC seals for maintaining a circuit between the door frame, the floor (e.g., threshold, flooring, etc.), and / or the door. The door assembly may also utilize one or more EMC elements (e.g., EMC tape, paint, adhesive, coatings, caulk, etc.) that may be used to create the circuits between the components of the door assembly and / or with other components of the building (e.g., between the door frame and the wall). The EMC shielding is used to reduce (e.g., limit, block, etc.) the levels of electrogenic interference (EMI) / radio frequency interference (RFI) radiation that is able to pass by the shielding. Moreover, the door assembly also provides improve additional door assembly performance (e.g., sound, weather, air flow, heat, cold, or the like abatement, energy harvesting, or other performance benefits).
Owner:AADG INC

Light threshold-free flood-proof protective air-tight door

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.
Owner:GUANGZHOU METRO DESIGN & RES INST CO LTD +2

High-leakproofness aluminum alloy door and window

The high-leakproofness aluminum alloy door and window comprises a door and window auxiliary frame and a sliding door, first gear transmission mechanisms are arranged at the upper end and the lower end of the inner side edge of the door and window auxiliary frame and connected with sealing strips, driving racks are arranged on the outer side faces of the upper end and the lower end of the sliding door, and the driving racks push the sealing strips to be tightly attached to the sliding door through the first gear transmission mechanisms when the door and window are closed; the two are adsorbed through magnetic attraction force; when the sliding door is closed, the push rods push the sealing plates to jack up and seal upwards through the second gear transmission mechanisms, and when the sliding door is opened, the torsion springs drive the sealing plates to reset and compress the elastic pieces; through mechanical and magnetic dual sealing and side edge and end face surrounding sealing, air and noise permeation is effectively prevented, heat transfer is reduced, the energy consumption pain point of a traditional sliding door and window is solved, and an efficient and economical technical scheme is provided for building energy saving.
Owner:JIANGSU BAIYU CONSTRUCTION IND CO LTD

Pet door inserts for window frames and sliding doors

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.
Owner:WIDNER ALEXANDER

Fireproof heat-insulation energy-saving door and window structure

The utility model discloses a fireproof heat-insulation energy-saving door and window structure, and relates to the technical field of door and window structures. The window comprises an installation frame, a fixed window is fixedly installed on the inner side of the installation frame, a movable window is movably installed on the side, close to the fixed window, in the installation frame, and the bottom end of the movable window is rotationally connected with symmetrically-distributed guide wheels. When the movable window needs to be opened, the movable window is pulled towards the outer side of the mounting frame firstly, meanwhile, the guide wheels are driven to slide along the interiors of the vertical grooves, the guide wheels are made to move into the interiors of the transverse grooves, then the movable window is transversely moved towards one side of the fixed window, and the movable window is opened; the movable window is moved towards the side away from the fixed window, and when the guide wheels move to the positions corresponding to the vertical grooves, the movable window is pushed towards the inner side of the mounting frame, so that the movable window abuts against the sealing strips, the sealing performance of the movable window is improved, and therefore the indoor and outdoor isolation and energy-saving effects are kept.
Owner:LIAONING XINWASEN METAL DOORS & WINDOW CO LTD

Steel-wood composite heat insulation fireproof door

The invention discloses a steel-wood composite heat insulation fireproof door, and relates to the technical field of fireproof doors. The steel-wood composite heat insulation fireproof door comprises a mounting frame structure, a fireproof door leaf structure is hinged to the inner side of the mounting frame structure, a protective observation window structure is arranged on the inner side of the fireproof door leaf structure, and a locking structure is arranged on the front side of the mounting frame structure. Through the arrangement of the fireproof door leaf structure and the combined design of the fireproof filling ceramsite layer, the fireproof perlite plate layer, the rock wool layer, the heat insulation cotton layer and the flame-retardant sealing layer in the fireproof door leaf structure, the strength and stability of the door body are enhanced, the heat insulation effect is remarkably improved, the fireproof filling ceramsite layer and the fireproof perlite plate layer serve as inner layer materials, and the fireproof filling ceramsite layer and the fireproof perlite plate layer serve as outer layer materials; the door body has excellent fire resistance and heat insulation performance, invasion of high-temperature flames and heat can be effectively blocked, the rock wool layer and the heat insulation cotton layer serve as middle layer materials, the heat insulation effect of the door body is further improved, and heat transfer is reduced.
Owner:GUANGDONG YUDUN FIRE PREVENTION TECH CO LTD

Aluminum alloy door and window with reinforcing structure

The utility model discloses an aluminum alloy door and window with a reinforcing structure, and relates to the technical field of door and window reinforcement. The window comprises a window frame, wherein a self-locking mechanism and a reinforcing mechanism are arranged on the window frame; the self-locking mechanism comprises a self-locking assembly, a clamping assembly and an overturning assembly, the self-locking assembly comprises a sliding groove formed in the window frame, the sliding groove is rotationally connected with a rotating block, the rotating block is provided with a plurality of grooves and fixedly connected with a handle, the sliding groove is slidably connected with two ejector rods, and the ejector rods are slidably connected with the grooves. Through the self-locking mechanism, the two clamping rods can be driven by a person to be clamped in the clamping grooves in the upper side and the lower side by turning over the handle through the elasticity of the spring and a plurality of grooves with different concave sizes, the upper position and the lower position between the window frame and the fixing frame are limited and fixed at the same time, and the hinge block and the hinge groove are matched to be hinged to each other; the operation is simple, the closed limiting positions of doors and windows are uniformly distributed to a certain extent, and the practicability of the device is improved.
Owner:SICHUAN XINRUNXIN ALUMINUM PRODUCTS CO LTD

Outward opening door leaf assembly and door pocket thereof

The utility model discloses a door pocket of an outward opening door leaf assembly. The door pocket comprises an auxiliary pocket upright, an indoor side flat plate line and an outdoor side flat plate line, the auxiliary sleeve upright is used for being arranged on the side face of a door opening wall. The auxiliary sleeve upright is of an integrated structure or a spliced structure; the indoor side flat plate line is connected to one side of the auxiliary sleeve upright and is positioned on the indoor side in the thickness direction of the door opening wall body; the outdoor side flat plate line is connected to the other side of the auxiliary sleeve upright and is positioned on the outdoor side in the thickness direction of the door opening wall body, and the outdoor side flat plate line is a metal outdoor side flat plate line; a door closing limiting part protruding out of the auxiliary sleeve vertical stile is arranged on the side, facing the door leaf, of the outdoor side flat plate line. The door closing limiting part is located at the end, facing the indoor space, of the outdoor side flat plate line. The outdoor side flat plate line of the door pocket is provided with the door closing limiting part, a door blocking strip component in the prior art is omitted, the door blocking strip does not need to be assembled, the assembling steps of the door pocket are reduced, and then the assembling efficiency is improved. The utility model further discloses an outward opening door leaf assembly applying the door pocket.
Owner:BEIJING PAIDAO TONGCHUANG E-COMMERCE CO LTD

Low-temperature-resistant and low-heat-conductivity door sealing material, preparation method thereof and door sealing strip

The invention discloses a low-temperature-resistant and low-thermal-conductivity door seal material, a preparation method thereof and a door seal strip, and relates to the technical field of low-thermal-conductivity door seal materials, the low-temperature-resistant and low-thermal-conductivity door seal material comprises a modified PVC base material and an expansion master batch; the modified PVC base material comprises PVC, a plasticizer, an elastomer, a stabilizer, a first lubricant, an antibacterial mildew inhibitor and GMA-SEBS-EVA; the expansion master batch comprises a polyolefin compound, expansion microspheres, an antioxidant, a dispersion compatilizer and a second lubricant; the door seal material prepared by the invention not only has excellent low temperature resistance and low heat-conducting property, but also has the advantages of high strength, high toughness, stable and controllable expansion, few defects, smaller and denser organic expansion microspheres, smoother surface and the like, and has a wide application prospect.
Owner:ANHUI HIGASKET PLASTICS CO LTD

Stainless steel cabinet with self-heat-preservation and damp-proof functions

The stainless steel cabinet comprises a cabinet body and a cabinet door rotationally connected to the cabinet body, a sliding groove is formed in the cabinet door, a mounting base is fixedly connected to the cabinet body, a transition rod is rotationally connected to the mounting base, a connecting rod is rotationally connected to the end face of the right side of the transition rod, and the connecting rod is rotationally connected to the end face of the right side of the transition rod. The end face of the right side of the connecting rod is rotationally connected with a rotating base, and a sliding plate is fixedly connected to the rear side wall of the rotating base. The structure is reasonable, by arranging the sliding plate, the sliding groove, the transition rod and other structures, the cabinet door and the cabinet body are kept closed in the closing process, and the phenomenon that water vapor in air enters the cabinet body through a gap between the cabinet door and the cabinet body, and consequently the interior of the cabinet is mildewed is prevented; by arranging the bottom air bag, the side air bag, the sliding pipe and other structures, a gap between the cabinet body and the cabinet door is sealed through the air bags, and the situation that normal use of the cabinet body is affected due to the fact that water enters is prevented.
Owner:DONGGUAN HETAI FURNITURE CO LTD

Screen window control device of low-energy-consumption shutter glass and using method

The invention provides a screen window control device of low-energy-consumption shutter glass and a using method, relates to the field of shutter glass, and aims to solve the problem that a screen window can affect the permeability of the shutter glass. The number of the screen window screen plates is the same as that of the shutter glass sheets, the screen window screen plates and the shutter glass sheets are in one-to-one correspondence, the screen window screen plates are matched with the short shafts, the long shafts, the first guide grooves and the second guide grooves in the guide assemblies to be in the horizontal state when the shutter glass sheets are vertically closed, and therefore the influence on the permeability of the shutter glass sheets can be reduced; when the shutter glass sheets are obliquely opened for ventilation, the gaps between the adjacent shutter glass sheets can be shielded, so that the mosquito-proof and dust-proof effects are achieved, the flexibility is high, sliding friction force does not exist between the shutter glass sheets and the inner wall of the frame, the load of a driving source can be reduced, and more energy-saving and practical effects are achieved.
Owner:南通金蝴蝶节能科技有限公司

Driving device of automatic sealing strip

The invention discloses an automatic sealing strip driving device which comprises a telescopic driving shaft and a positioning sleeve, a roller is arranged at the outer side end of the telescopic driving shaft, the inner side end of the telescopic driving shaft is connected with a sealing strip linkage mechanism, the telescopic driving shaft can rotatably adjust the exposed length to control the lifting stroke of a sealing strip, and the positioning sleeve fixes the adjusted telescopic driving shaft to prevent autorotation. The door frame can be provided with a roller guide-in inclined plane or provided with an inclined plane fixing block with the roller guide-in inclined plane, so that the dustproof strip extends out when the door is closed and retracts back when the door is opened. The device is high in applicability and stable in adjustment, and the sealing performance of doors and windows is improved.
Owner:ZHEJIANG SIHE IND &TRADE CO LTD

Intelligent civil air defense and flood gate equipment and system and control method of intelligent civil air defense and flood gate equipment and system

The invention relates to intelligent civil air defense and flood gate equipment and system and a control method thereof. The equipment comprises a gate body and a gate leaf driving mechanism. The door body comprises a lower locking mechanism; bottom lifting type sealing structures are arranged between the bottoms of the left door leaf and the right door leaf and the lower door frame. The door leaf driving mechanism is connected with the left door leaf and the right door leaf; the system further comprises an intelligent control device, the intelligent control device comprises a sensor module, a drive control module and a remote control platform, the sensor module and the drive control module are integrated on the door body, and the sensor module comprises a door leaf opening and closing position detection sensor, a bottom lifting type sealing structure pressing state detection sensor and a water level height detection sensor. And the driving control module controls the door leaf driving mechanism and the lower locking mechanism according to a detection signal of the sensor module and an instruction of the remote control platform. By optimizing a door body sealing and locking execution structure and combining a sensing monitoring and centralized control mode, the sealing reliability and control safety of the civil air defense door under the conditions of high water level and complex water flow are improved.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD

Passive door bolt assembly

A bolt assembly for securing a passive door panel relative to an entryway frame. The bolt assembly has a base to be fixedly mounted relative to the passive door panel, a catch attached to the base with a leaf spring to deflect relative to the base, and a bolt which is able to translate relative to the base between a retracted position and an extended position for securing the passive door panel. The bolt is biased toward the extended position and selectively maintained in the retracted position by the catch.
Owner:ENDURA PRODS INC

Light fixed doorsill flood-proof protective air-tight door

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.
Owner:GUANGZHOU METRO DESIGN & RES INST CO LTD +2

Airtight door for passage apparatus of roll-on / roll-off ship

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.
Owner:SHANGHAI FUXUN IND CO LTD

Door pocket and door leaf assembly

The utility model discloses a door pocket and door leaf assembly. The door pocket and door leaf assembly comprises an auxiliary pocket upright, the indoor side flat plate line is connected to one side of the auxiliary sleeve upright and is positioned on the indoor side of the door opening wall body; the outdoor side flat plate line is connected to the other side of the auxiliary sleeve vertical stile and positioned on the outdoor side of the door opening wall, the outdoor side flat plate line is made of metal, and the side, facing the door leaf, of the outdoor side flat plate line protrudes out of the auxiliary sleeve vertical stile to form a door closing limiting part. According to the utility model, the door closing limiting part is arranged on the outdoor side flat plate line, so that the outdoor side flat plate line has the function of a door stop line, not only can shield a glue line, but also can serve as the door stop line, and as the door closing limiting part is directly formed on the outdoor side flat plate line, the depth of the outdoor side is reduced, and on the premise of keeping an inward opening mode, the door closing limiting part can be used as the door stop line. The outer side of the door leaf and the outer side of the outdoor side flat plate line can be kept closer to each other and even on the same plane. The outdoor side flat plate line is made of metal, and compared with a wooden door stop line, the outdoor side flat plate line is more resistant to impact and does not have the problems of cracking, deformation and the like.
Owner:BEIJING PAIDAO TONGCHUANG E-COMMERCE CO LTD

Ultralow-temperature equipment with sliding type automatic door opening and closing function

The utility model discloses sliding type ultralow-temperature equipment capable of automatically opening and closing a door, which comprises an equipment box body arranged on a support and a door body with a sealing strip, and further comprises a lifting frame arranged on the support in a limiting and sliding manner along the vertical direction, the electric cylinder is arranged at the bottom of the bracket and used for driving the lifting frame to lift; the connecting rod assembly is installed on the lifting frame through a connecting plate, and the connecting rod assembly is connected with the door body and used for driving the door body to movably move in a constant vertical state in the moving process of the connecting rod assembly; the rail assembly is connected with the connecting rod assembly and used for limiting the door body to move along the rail. In the lifting process of the door body and the lifting frame, the connecting rod assembly and the rail assembly are adopted for connection, the double movement modes of linear lifting and horizontal sliding of the door body can be achieved, and therefore it is ensured that sufficient even pressure is exerted on the door seal strip in the door closing process, the sealing performance is effectively enhanced, and frosting is avoided.
Owner:ZHONGKE MEILING CRYOGENICS CO LTD

High-sealing dustproof sealing strip

The utility model belongs to the field of door and window sealing strips, and particularly relates to a high-sealing dustproof sealing strip which comprises a sealing strip body, the sealing strip body comprises a limiting shell, an adhesive layer is arranged at the bottom of the limiting shell, and an arc-shaped sealing gasket is arranged in an inner cavity of the limiting shell. The anti-cracking performance and the anti-freezing performance of the sealing strip body can be improved through the protective layer, the high-temperature resistance and the corrosion resistance of the sealing strip body are improved through the reinforcing layer, the oxidation resistance and the abrasion resistance of the sealing strip body are improved through the protective layer, and the sealing strip body is prevented from being abraded due to opening and closing of doors and windows; therefore, the sealing and dustproof performance of the sealing strip body is improved, and the problems that an existing sealing strip is usually installed in a door and window frame, due to the fact that a door and a window are opened and closed frequently, the sealing strip is prone to being abraded, and the sealing and dustproof performance of the sealing strip becomes poor are solved. And the durability and the service life of the sealing strip are improved and prolonged by utilizing good flexibility and weather resistance of the material.
Owner:SUZHOU FUTAIDE ELECTRONIC NEW MATERIAL CO LTD