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<p>The most commonly used automatic <a href="https://www.zhtdoors.com/garage-door" rel="noopener noreferrer" target="_blank">garage door</a> is the flip garage door. Because the flip garage door has a built-in torsion spring, the torsion force is equivalent to the weight of the door, so that the door body is in a "zero weight" state and runs on pulleys in the track, so the resistance is small , Low energy consumption, low maintenance rate, and durable. The torsion spring is fixedly connected to the shaft through a torsion spring joint, while the existing torsion spring joint is generally fixedly connected to the shaft by a screw. When the torsion force is large, the screw will be loose and not firmly fixed due to long-term movement. As a result of the relative movement between the torsion spring joint and the shaft, the garage door cannot be opened, which greatly increases the failure rate of the garage door.</p><p><br></p><p>In order to solve the problem that the torsion spring joint and the shaft are not firmly fixed, and the garage door is opened and closed for a long time, the screws are loosened, and the garage door cannot be opened or closed. Haoyuan Door Industry provides a torsion spring joint for large garage doors. The pin grooves that prevent the relative movement of the mounting head and the shaft are arranged uniformly, thereby effectively solving the problem that the existing torsion spring joint and the shaft are not firmly fixed, and the screws are loosened when the garage door is opened for a long time, and the garage door cannot be opened or closed. problem.</p><p><br></p><p>The torsion spring joint for garage door includes an integrally formed chuck body and an integrally formed mounting head. The chuck body is riveted with the mounting head. A shaft hole is provided in the axial direction of the mounting head. The chuck body is provided with a torsion spring mounting shaft. At least two pin grooves for preventing relative movement of the mounting head and the shaft are evenly arranged in the axial direction of the hole. The mounting head is provided with a fixing screw hole for preventing the relative movement of the mounting head and the shaft rod, and the shaft rod is further fixed by the fixing screw, thereby ensuring the reliability of the fixing of the mounting head and the shaft rod and further reducing the failure rate of the garage door.</p><p><br></p><p> The torsion spring joint for the garage door has simple structure and convenient processing. By evenly setting the pin groove in the axial hole of the shaft hole, the existing torsion spring joint and the shaft rod are not firmly fixed, and the screw caused by the long time opening and closing of the garage door is avoided. Loose, so that the garage door cannot be opened or closed, reducing the number of garage door repairs and increasing the service life of the garage door, thereby greatly reducing the maintenance cost of the garage door, reducing the workload of the maintenance personnel, and ensuring the length of the garage door Time safe and stable operation.</p>
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