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Hinges are simple hardware devices that connect two pieces of material, allowing for a pivoting motion. They are used on doors, gates, lids, and many other objects. A hinge is generally composed of two flat plates, called leaves, joined at one end by a pin or a pivot. One leaf is attached to the door or lid, and the other to the frame or box.
A cellar door hinge, also known as a pivot hinge or heavy-duty hinge, is a type of hinge specifically designed for cellar doors. It allows the door to pivot from one side, enabling easy opening and closing of the door. These hinges are robust and can support the weight of the cellar door while ensuring smooth operation.
Cellar doors and hinges come in different types, as explained below:
Butt Hinge:
This hinge consists of two plates (leaves) that are joined together at one end by a pin. The other end of the plates is welded, screwed, or riveted to the door and the frame. When the pin is inserted, it acts as a pivot, allowing the door to swing open and closed. The butt hinge is usually made of metal, like brass, steel, or stainless steel. It is used when strength and durability are required, like on doors in homes, cabinets, and gates.
Concealed Hinge:
These hinges are also known as hidden or invisible hinges. They allow a door to swing open and closed like a regular hinge. However, when the door is closed, the hinge mechanism is not visible. These hinges are installed inside the door and the frame, so when the door is closed, the hinge is concealed. It is often used in cabinets, closets, and interior doors where a clean, seamless look is desired.
Pivot Hinge:
A pivot hinge is a type of door hinge that allows the door to pivot around a point, usually at the top and bottom of the door. It consists of a top pivot that is attached to the top of the door and a bottom pivot that is connected to the bottom of the door. The top and bottom pivots are aligned vertically, so the door can swing open and closed. It is often used for heavy doors, like store entrance doors or cupboard doors.
Spring Hinge:
This hinge is a type of door hinge that incorporates a spring mechanism inside it. It works like a regular hinge but also has a spring that allows the door to automatically close it. This spring provides the force necessary to pull the door back to the closed position. It is often used for doors that need to be self-closing, like fire doors, restroom doors, and exterior screen doors.
Friction Hinge:
These kinds of hinges are designed to hold a door or window in a position without the need for a locking mechanism. They work by creating friction between the two metal parts of the hinge. The amount of friction can be adjusted during installation to accommodate the weight and size of the door or window. They are commonly used in applications where it is desired to keep the door or window open at an angle, like in laptop screens and in some types of storm doors.
The function of cellar door hinges is to provide a pivot point for the trap door so that it can open and close with ease. Various kinds of trap door hinges are available, each providing unique features and advantages.
Strong Construction
Cellar door hinges are constructed from heavy-duty materials such as stainless steel, iron, and galvanized steel. This ensures strength and durability, enabling them to support the weight of the trap door and withstand frequent opening and closing. These hinges are often welded, reinforced, and adjustable to ensure stability and reliability.
Protection Against Rust And Corrosion
Most cellar door hinges undergo finishing processes like galvanization and powder coating to prevent rust and corrosion. This enhances their longevity and makes them suitable for damp and harsh environments. The hinges' finishes provide both functional and aesthetic benefits, ensuring smooth operation and increasing the trap door's visual appeal.
Different Types Of Hinges
Various types of hinges are used for trap doors, including butt hinges, continuous hinges, piano hinges, strap hinges, and T-hinges. Each of these hinges provides unique features. For example, butt hinges offer a discreet connection between the door and the frame, while strap and T-hinges provide decorative and functional support. The right kind of hinge is selected based on the trap door's design, weight, and location.
Easy Installation
Cellar door hinges are designed to facilitate swift and straightforward installation. They come with pre-drilled holes, mounting plates, and adjustable options that ensure accurate alignment and positioning. This reduces the time and effort required to install the trap doors. Moreover, these hinges support the door's weight during installation, making it easy to fit and install.
Security
Cellar door hinges are crafted to provide security. They can be fitted with pin-and-sleeve, weld-on, or security bolts to prevent door removal. Heavy-duty construction and hinge covers make unauthorized entry difficult, thus protecting the trap door and the space it leads to. These hinges also allow for the door to be locked, providing additional security when the door is closed.
There are various applications of hinges on cellar doors. These are industry-specific applications and include the following:
Load Capacity
Consider the weight of the door. Some hinges are better for heavier doors than others. Look at the load capacity. This tells how much weight each hinge can support. A heavier door means it will need a hinge with a higher load capacity to work properly. If the load capacity is not enough, the door will not open and close correctly, causing damage.
Material and Durability
The material of the hinge affects how long it will last and how well it will work. Think about the material and durability of the hinge. If it is made with quality material, it will be able to withstand any weather elements, and it will last longer. Choose a hinge that is made with strong and durable material.
Functionality
Cellar doors come with different styles and designs. This will determine how the door will open and close. Consider the functionality of the hinge. Make sure to choose an appropriate hinge for the door. For example, pivot hinges are better for doors that turn on a fixed point. While butt hinges will work well with doors that swing from side to side.
Size and Proportion
The size of the hinge is important. A small hinge will not be able to support the weight of the door. On the other hand, a large hinge will look awkward. Consider the size and proportion of the hinge. Ensure that the size of the hinge is proportionate to the size of the door. Also, ensure that it is visible when the door is closed.
Maintenance
Some hinges require regular maintenance to keep them working properly. This involves cleaning and oiling it. Consider the maintenance needs of the hinge. Choose a hinge that will not require too much time and effort for maintenance.
Aesthetic Appeal
Hinges are hardware parts. However, they are very visible when the door is closed. This means that it will affect the overall look of the door. Consider the aesthetic appeal of the hinge. Choose a hinge that will complement the style and design of the door. Also, choose a finish that will blend with the door.
Q1: What are the most common types of cellar door hinges?
A1: The commonly used hinges are strap hinges and piano hinges. The former runs along the length of the door, providing even weight distribution and stability.
Q2: What are the most common types of cellar door hinges?
A2: The commonly used hinges are strap hinges and piano hinges. The former runs along the length of the door, providing even weight distribution and stability.
Q3: What hinge carries the most weight?
A3: The heavy-duty hinge is designed to support large and heavy doors or gates. It is made of thick steel or stainless steel, has a reinforced knuckle, and is often bears a removable pin.
Q4: What are the three types of hinges?
A4: The hinges fall into three categories: Concealed hinges, Butt hinges, and Pivot hinges. Each of the hinges has unique features and offers different levels of functionality and aesthetics.
Q5: What are the two types of cellar doors?
A5: The two kinds of cellar doors are: Hinged cellar doors and Sliding cellar doors. Hinged doors are more traditional and consist of one or two doors that swing open, like regular doors. Sliding doors are more contemporary and efficient, as they slide open and closed, usually on a track system.