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What are the applications of door hinges in the building industry

Source:m.junchenjimi.com      Release date: 2025年12月29日
Information summary:Door shaft is the core opening and closing connector of building doors, windows, partitions, special doors and other components. It undertakes the core functions of load-bearing, limiting, and flexible rotation, adapts to the needs of different indoor and outdoor scenarios of buildings, and considers safety, durability, and adaptability. It is a key accessory for building decoration and functional
      Door shaft is the core opening and closing connector of building doors, windows, partitions, special doors and other components. It undertakes the core functions of load-bearing, limiting, and flexible rotation, adapts to the needs of different indoor and outdoor scenarios of buildings, and considers safety, durability, and adaptability. It is a key accessory for building decoration and functional components, and is widely used in the construction industry. The specific classification and application details are as follows:
1、 Indoor scenes of civil buildings (the most extensive)
      The interior of civil buildings is the core application area of door shafts, which are suitable for entrance doors, indoor doors, kitchen and bathroom doors, etc. They are adapted to different types of door shafts according to the functions of the layout, meeting the convenience needs of daily opening and closing.
1. Application of entrance/foyer doors
       Suitable door shaft types: heavy-duty hinge door shaft, sky and earth shaft, invisible door shaft
       Core function: Carrying the weight of the entrance door (mostly solid wood doors, armored doors, with a single leaf weight of 100-300kg), ensuring smooth opening and closing without jamming, while also having a certain degree of anti-theft function. Some parts have positioning function to prevent automatic closing or excessive opening by wind from hitting the wall.
       Adaptation details: The entrance doors of high-rise residential buildings are often designed with a sky and earth axis, with a hidden design that is aesthetically pleasing and has strong load-bearing capacity; Heavy duty hinges are commonly used for the entrance doors of villas and western-style houses, which are compatible with heavy door leaves and have both stability and durability.
2. Application of indoor door/bedroom door/study door
       Suitable door shaft types: ordinary hinge door shaft, parent-child hinge door shaft, hydraulic buffer door shaft
       Core function: Suitable for lightweight door leaves such as wooden doors and composite doors (with a single leaf weight of 20-80kg), meeting daily frequent opening and closing needs. The hydraulic buffer design can avoid noise and collision caused by sudden door leaf closing, and is suitable for quiet scenarios such as bedrooms and study rooms.
       Adaptation details: For small-sized doors, priority should be given to choosing a child mother hinge door shaft, which is easy to install without the need for slotting; Priority should be given to hydraulic buffer door shafts in bedrooms and study rooms to enhance living comfort; Choose thick hinges for solid wood doors to prevent the door leaf from sagging and deforming.
3. Kitchen and bathroom door/balcony door application
       Suitable door shaft types: rust proof hinge door shaft, stainless steel hydraulic door shaft, folding door dedicated door shaft
       Core function: Suitable for humid environments in kitchens and bathrooms, rust and corrosion prevention, ensuring smooth opening and closing of door leaves; The balcony sliding door and folding door dedicated door shaft can achieve multi angle opening and closing, folding and storage, saving space.
       Adaptation details: The bathroom door is preferably equipped with a 304 stainless steel door shaft, which is moisture resistant and rust free; Kitchen sliding doors are linked with sliding rails to meet the needs of sliding and opening/closing; The balcony folding door uses a dedicated hinged door shaft that balances flexibility and load-bearing capacity.
2、 Outdoor scenes of civil buildings (emphasizing durability and weather resistance)
       The outdoor scene should cope with the natural environment such as wind and rain, temperature difference and sunshine. The door shaft should have the characteristics of corrosion resistance, aging resistance and strong bearing capacity, and be suitable for the entrance gate, balcony barrier door, fire access door, etc.
1. Application of courtyard doors/entrance courtyard doors
       Suitable door shaft types: heavy-duty door shaft, cast iron door shaft, stainless steel heavy-duty hinge shaft
       Core function: Carrying the weight of the courtyard gate (single leaf weight of 300-800kg for iron and aluminum doors), resistant to wind and sun, preventing rusting and jamming of the door shaft, and partially equipped with self-locking function to enhance the safety of the courtyard.
       Adaptation details: For wrought iron courtyard doors, cast iron door shafts with high hardness and wear resistance are preferred; Choose heavy-duty door shafts made of the same material for aluminum and stainless steel doors to avoid electrochemical corrosion caused by material differences; The double opening courtyard door uses a symmetrical axis between heaven and earth to ensure synchronous opening and closing of the two doors.
2. Application of balcony guardrail doors/terrace doors
      Suitable door axle types: stainless steel lightweight door axle, anti slip positioning door axle
      Core function: Suitable for guardrail small door leaf (weight 10-30kg), ensuring flexible opening and closing, with positioning function to prevent wind shaking, while rust and sun resistance, suitable for outdoor temperature difference environment.
3. Application of roof maintenance doors/equipment platform doors
      Suitable door shaft types: high temperature resistant and rust proof door shaft, load-bearing positioning door shaft
      Core function: Carrying the weight of the maintenance door, adapting to the sun, high temperature, rain, snow, and humid environment of the roof, preventing deformation and jamming of the door shaft, facilitating the entry and exit of maintenance personnel, and providing safety protection.
3、 Commercial building scenarios (focusing on heavy-duty and high-frequency use)
      Commercial buildings have high pedestrian flow, frequent use of door leaves, and high load-bearing requirements. The door shaft needs to meet the requirements of high-frequency opening and closing without deformation and heavy load without falling off, suitable for scenarios such as office buildings, shopping malls, hotels, etc.
1. Office building/office building scene
      Suitable door shaft types: glass door dedicated spring door shaft, heavy-duty hinge door shaft, induction door linkage door shaft
      Core application: Ground spring door shaft for lobby glass doors, realizing automatic reset opening and closing, suitable for high-frequency pedestrian flow; Lightweight hinges for office partition doors, compatible with glass partitions and aluminum alloy partition doors; The fire escape door uses a dedicated door shaft for fire doors, which meets fire safety regulations and ensures smooth emergency evacuation.
      Core requirements: High frequency opening and closing (1000+times per day) without deformation, good noise reduction effect, compatible with various door leaf materials such as glass and aluminum alloy.
2. Shopping mall/shopping center scene
      Suitable door pivot types: heavy-duty sliding door pivot, folding door dedicated pivot, fireproof door pivot
      Core application: Sliding door shafts and folding door shafts for shopping mall and shop doors, suitable for flexible opening and closing and space storage; Special door shafts for fire doors in public area fire compartments must comply with fire safety regulations and be resistant to high temperatures without deformation; The doors of the mother and baby room and bathroom are equipped with hydraulic buffer door shafts to ensure privacy and convenience.
      Core requirements: Strong load-bearing capacity (some shop doors with glass weighing 150-250kg), wear resistance, easy maintenance, suitable for complex pedestrian environments in shopping malls.
3. Hotel/Homestay Scene
      Suitable door shaft types: invisible door shaft, hydraulic silent door shaft, rotary door dedicated door shaft
      Core application: Hydraulic silent door shaft for hotel room doors to avoid door closing noise affecting guests' rest; The lobby revolving door uses a dedicated linkage door shaft to ensure smooth rotation and adapt to the decoration style; The invisible door of the homestay uses a hidden door shaft, which balances aesthetics and opening and closing functions.
      Core requirements: Silent, aesthetically pleasing, durable, suitable for hotel decoration and high-frequency usage needs.
4、 Industrial building scenarios (focusing on heavy loads and special working conditions)
      Industrial building door shafts need to be adapted to heavy-duty door leaves and special medium environments, meeting strict requirements such as load-bearing, explosion-proof, fireproof, and corrosion-resistant, and suitable for scenarios such as factories, warehouses, and workshops.
1. Application of industrial plant/workshop doors
      Suitable door shaft types: super heavy floor door shaft, steel structure door shaft, explosion-proof door dedicated door shaft
      Core function: It carries industrial heavy-duty door leaves (steel structure doors, color steel plate doors, single leaf weight 500-2000kg), adapts to frequent opening and closing of workshops, forklift entry and exit needs, explosion-proof door shafts need to have impact resistance and explosion resistance characteristics, and meet the safety regulations of hazardous chemical workshops.
      Adaptation details: Steel structure door shafts for ordinary production workshops, wear-resistant and impact resistant; Special door shafts for explosion-proof doors in hazardous chemical workshops, in compliance with explosion-proof standards; High temperature resistant door shafts are used in high-temperature workshops to prevent deformation and jamming caused by high temperatures.
2. Warehouse/Logistics Storage Door Application
      Suitable door shaft types: roller shutter door dedicated shaft, sliding door shaft, heavy-duty sliding door shaft
     Core function: Suitable for warehouse rolling shutter doors and sliding doors. The door shaft bears the weight and rotation of the rolling shutter blades and sliding door leaves, ensuring smooth opening and closing. Suitable for high-frequency loading and unloading needs in logistics warehousing, some with anti-theft positioning function.
     Adaptation details: The sliding doors of large logistics warehouses are equipped with super heavy door shafts, which can carry a weight of over 3000kg; Lightweight rolling shutter door shafts are used for small warehouse rolling shutter doors, which are easy to install and have low maintenance costs.
3. Application in special industrial areas (chemical, metallurgical)
     Suitable door shaft types: stainless steel corrosion-resistant door shaft, high temperature resistant door shaft
     Core function: To cope with acid and alkali corrosion in chemical workshops and high temperature environments in metallurgical workshops, the door shaft needs to have strong corrosion resistance and high temperature resistance (above 500 ℃) to ensure the normal opening and closing of the door leaf, without rusting or deformation.
5、 Special Buildings and Public Facilities Scenarios (Focusing on Compliance and Functionality)
     This type of scenario has special requirements for the door axis, which must comply with building standards such as fire safety, civil air defense, and accessibility, and be suitable for public venues, civil air defense projects, hospitals, and other scenarios.
1. Special scenes for fire engineering
     Suitable door shaft types: fireproof door dedicated door shaft, fireproof rolling shutter door shaft
     Core requirements: Must comply with the GB 12955-2008 "Fire Doors" standard, be heat-resistant, flame-retardant, not detach or deform during a fire, ensure the integrity of the fire compartment, and be suitable for areas such as building staircases, fire exits, and distribution rooms.
     Application details: Thick fireproof door shafts are used for fireproof doors, with a high temperature resistance time of ≥ 1.5 hours; Class B and Class C fireproof doors are adapted to corresponding load-bearing grade door shafts according to specifications.
2. Civil air defense engineering scenarios
     Suitable door shaft types: heavy-duty door shaft for civil air defense doors, sealed door shaft
     Core function: Suitable for civil air defense engineering protective doors and airtight doors, capable of carrying super heavy door leaves (single leaf weight can reach 1-5 tons), with the characteristics of impact resistance and good sealing, resisting shock waves during wartime, and ensuring convenient opening and closing during peacetime.
3. Public venues such as hospitals/schools
     Suitable door axle types: accessible door axle, antibacterial silent door axle, anti-collision door axle
     Core application: Antibacterial silent door shafts for hospital ward doors and operating room doors, adapted to sterile environments and silent requirements; Use anti-collision door shafts for school classroom doors and passage doors to prevent students from colliding and damaging them; The barrier free access door is equipped with a dedicated door axle, suitable for wheelchair access, and easy to open and close.
4. Venue/Exhibition Hall Scene
     Suitable door shaft types: special door shaft for super large door leaf, revolving door shaft, folding door shaft
     Core function: Suitable for exhibition halls and sports venues with oversized door leaves (width 3-10m), the door shafts need to have strong load-bearing and synchronous opening and closing functions, some with electric linkage, to meet the needs of crowd flow distribution in the venue, balancing aesthetics and functionality.
6、 Special Scene of Architectural Decoration (Emphasizing Aesthetics and Personalization)
     With the increasing demand for personalized building decoration, door shafts are adapted to decorative components such as invisible doors and irregular doors, balancing functionality and aesthetics.
1. Invisible door scene
     Suitable door shaft types: invisible sky and earth door shaft, hidden hinge door shaft
Core function: The door shaft is concealed and installed without exposed components, allowing the invisible door to integrate with the wall and adapt to decorative scenes such as living room background walls and corridors, while ensuring smooth opening and closing without noise.
2. Alien door scene (curved door, angled door)
     Suitable door shaft types: customized shaped door shaft, universal adjustable door shaft
     Core function: Suitable for non-standard door leaves such as curved and angled doors, adjustable opening and closing angles, ensuring the normal opening and closing of irregular doors, meeting the personalized decoration needs of buildings, and widely used in residential and internet famous shops.
3. Floating door scene
     Suitable door axle type: suspended load-bearing door axle
     Core function: The door leaf is designed without a lower rail, and the door shaft carries the overall weight, achieving suspended opening and closing, beautiful and easy to clean, suitable for office building lobbies and light luxury shop doors.
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