推拉门窗的五金配件。铝合金门窗的导轨是在窗框型材上直接成型，滑轮系统固定在门窗扇底部。推拉门窗的滑动是否自如不仅取决于滑轮系统的质量，而且与型材平直度和加工精度以及门窗框安装精度有关。积尘对轨道和滑轮的磨损也会影响推拉门窗的开关功能。推拉门窗的锁一般是插销式锁，这种锁会因为安装精度不高、积尘等原因而失效。推拉门窗的拉手通常由插销式锁的开关部分所代替，但也有高档推拉窗将窗扇型材作出一个弧型，起拉手的作用。
Push and pull the hardware of doors and windows. The guide rail of aluminum alloy doors and windows is directly formed on the window frame profile, and the pulley system is fixed at the bottom of the door and window sash. Whether the sliding of sliding doors and windows is easy or not depends not only on the quality of pulley system, but also on the straightness and processing accuracy of profiles and the installation accuracy of door and window frames. The wear of tracks and pulleys caused by dust accumulation will also affect the opening and closing functions of sliding doors and windows. The lock of push-pull doors and windows is generally a pin type lock, which will fail due to low installation accuracy, dust accumulation and other reasons. The handle of push-pull window is usually replaced by the switch part of latch lock, but there are also high-grade push-pull window to make the profile of window sash into an arc shape, playing the role of handle.
普通平开门窗的五金配件。平开门窗的基本配件之一是合页。由于合页的单向开启J 性质，合页总是安装在开启方向，即内开门窗合页安装在室内，外开门窗的合页安装在室外。门窗的锁是一种旋转的锁，把手通常与锁相结合。限位器是外开门窗必备的部件，防止风将门窗扇吹动并产生碰撞。但是，两个合页与限位器三点形成的固定平面的牢固程度有限。
Hardware accessories for ordinary flat doors and windows. One of the basic accessories of the flat doors and windows is hinge. Due to the one-way opening J property of hinge, hinge is always installed in the opening direction, that is, the hinge of inner door and window is installed indoors, and the hinge of outer door and window is installed outdoors. The lock of the door and window is a kind of revolving lock, and the handle is usually combined with the lock. The limiter is a necessary part for opening doors and windows to prevent the wind from blowing the doors and windows and causing collision. However, the solid degree of the fixed plane formed by two hinges and three points of the limiter is limited.