What's the difference between fork handle and square shaft handle?

The fork handle and the square shaft handle are both multi-point lock linkage handles, and the difference between them is obvious in appearance. The transmission shaft is a U-shaped fork and a square shaft. In addition to the differences in appearance, what are the differences between fork handle and square shaft handle. The fork handle and the square shaft handle are both multi-point lock linkage handles, and the difference between them is obvious in appearance. The transmission shaft is a U-shaped fork and a square shaft. In addition to the differences in appearance, what are the differences between fork handle and square shaft handle.

From the perspective of product structure and mechanics, the scheme of square shaft handle + transmission lock box is better than fork handle + transmission rod in general (especially when the transmission wheelbase is long). Therefore, the combination of square shaft handle and lock box is usually used for the external window of heat insulation profile structure. At the same time, we should pay attention to that. The length of fork handle should not exceed 50 mm. In the same way, most of the side hung doors adopt the configuration of square shaft handle + transmission lock box. Of course, thanks to the square shaft handle, it can well solve the demand of double-sided opening of the flat door.

For example, we are now more commonly used screen integrated window. Because there will be two open windows (window sash and screen sash) overlapped on a window, the space between them can not be too large, so we need a special handle: hidden handle (flat handle), which tends to be flat and can meet the installation requirements. Because of the structural characteristics, only the square shaft handle can meet the flat design.

Therefore, in general, the square shaft handle is more used in the scene, and the transmission performance is more stable. The fork handle is relatively cheaper because of its simple transmission structure, convenient installation and relatively favorable price.

Type of handle lock

What are the types of handlocks? Hand lock is a kind of lock which is very common in our life. There are many kinds of hand locks. Different installation methods and disassembly methods of handlock are different. So what are the methods of hand lock disassembly?

Type of handle lock

1. Fork handle. From its appearance, this kind of fork pulling handle has a U-shaped fork at the bottom, which is also called fork pulling. The name of fork pulling handle comes from this. The working principle of this fork pulling handle is to jam the driver or transmission rod of the fork pulling handle by rotating the handle handle to control the up and down movement of the U-shaped fork, so as to drive the driving rod (driver) of the fork pulling handle to work, so as to realize the use of the fork pulling handle.

2. Square shaft handle. From the comparison of the fork pulling handle, the square shaft handle is to change the position of the U-shaped fork of the fork pulling handle into a square axis, and the name of the square shaft handle is so. In fact, from the function of the square shaft handle, the square shaft handle and the fork pulling handle are the same, so their working principle is similar. The square shaft handle rotates the handle to match the drive lock to complete the locking and opening work.

3. Handle on both sides. It's easy to see the double-sided handle. In fact, the working principle of the double-sided handle is basically the same as that of the square axis handle, except that the double-sided handle has more double-sided opening and closing functions. When the double-sided handle is used, it usually has a lock. Generally speaking, the length of the square shaft of the double-sided handle can be customized. The calculation method of the length of the double-sided handle is: square shaft length = fan material thickness + 65 / 70mm, with M5 countersunk head screw, screw length = fan material + 20mm.

How to choose handle lock

1. When we choose handle lock, we should first pay attention to the handle and profile of handle lock, and the specific model of fork pulling handle is about, and the exposed length of fork pulling should be determined (the length of U-shaped fork).

2. The handle and profile of the handle lock are the basic principles, and the specific model of the handle lock is divided into two parts. It should be noted that the length of the square axis of the handle lock and the size of the cross section of the square axis (usually 7x7mm) should be determined. When choosing the square shaft handle, you should also pay attention to whether the square shaft is locked or not.

How to remove the handle lock

When removing the handle lock, first screw down the screw fixing the lock cylinder on the panel, then take out the lock cylinder of the handle lock, and then screw off the remaining two screws on the handle lock panel, the two panels can be removed, and then screw off the screws on the lock body on the door side of the handle lock.