Creating a DIY automatic door closer can be a fun and practical project, but it's essential to ensure safety and effectiveness. Below is a basic guide on how to make a simple pneumatic door closer using commonly available materials:
Materials you'll need:
- Pneumatic door closer (can be purchased from a hardware store)
- Solid piece of wood or metal for mounting
- Screws
- Screwdriver
- Hinges (if not already installed on the door and door frame)
- Connecting rod (dowel rod, metal rod, or similar)
- Eye screws or hooks
- Extension spring (available at hardware stores)
- Cord or cable (strong and durable)
Instructions:
Choose the right door closer: Purchase a pneumatic door closer that matches the weight and size of your door. These closers come with adjustable closing speed, so pick one that suits your needs.
Mount the door closer: Install the door closer on the top corner of the door or the door frame, depending on the type of closer you have. Refer to the manufacturer's instructions for proper installation.
Install hinges (if necessary): If your door doesn't already have hinges, install them on the door and the door frame. Hinges are necessary for the door to swing back and forth.
Attach the connecting rod: Take the connecting rod (dowel rod or metal rod) and attach one end to the door closer arm and the other end to the door itself using eye screws or hooks. This rod will transfer the movement from the door closer to the door.
Install the extension spring: Attach one end of the extension spring to the door frame near the top corner of the door. Attach the other end of the spring to the door closer arm (opposite end of the connecting rod). The spring will help pull the door closed when the door closer releases tension.
Adjust closing speed: Adjust the door closer to control the speed at which the door closes. This can typically be done by adjusting screws on the door closer mechanism.
Add a cord or cable: Attach a cord or cable to the door closer's release mechanism, and then thread it through a pulley or guide near the top of the door frame and down to a convenient height reachable by hand.
Test and refine: Test your DIY automatic door closer by opening the door and letting it close automatically. Adjust the tension, spring position, and cord length as needed for optimal performance.
Important Note: While this is a basic guide, please be aware that automatic door closers need to be installed correctly to ensure safety. If you're not confident in your DIY skills, it's best to consult with a professional or consider using a commercially available automatic door closer designed for this purpose. Additionally, make sure the setup doesn't create any hazards, especially for children or pets. Safety should always be the top priority.