Principle of rising and falling of barber stool
1, there are many kinds: one is that there is a hydraulic device inside, just like a Jack, it is pushed up with a foot pump using hydraulic principle, and the second one is topped with the principle of ratchet and pawl using mechanical principle. There is also a kind of electric, using the motor to drive the screw or nut, turn left or right to achieve the purpose of lifting.
2. If it is pneumatic, there will be a joystick under the chair surface. When you need the chair to fall, sit on the chair, then lift the joystick up under the chair surface, and use the body weight to achieve the drop. When the chair is needed to rise, the person stands up and lifts the joystick under the chair surface again, and the chair can rise.
3. The air pressure chair is usually filled with high-pressure nitrogen in the air pressure telescopic rod, which is telescopic through the volume compression of the gas, while the hydraulic oil in the hydraulic pump of the hydraulic chair is incompressible, so the air pressure rises quickly and the hydraulic pressure rises slowly.
Who can teach me how to adjust the swivel chair?
1, lift swivel chair to reduce the height of the chair method: there are two kinds of lifting swivel chair, one is air pressure, the other is spiral. The air pressure lift swivel chair needs to sit on the chair and lift a joystick under the chair so that the weight of the body can be lowered. On the contrary, the chair rises.
2, ordinary air pressure swivel chair how to adjust height: general swivel chair has one or two handles, its function is to adjust the seat height. If there is only one handle, you only need to lift the handle up to raise the seat height. If you want to lower, you need someone to sit on the chair and then lift the handle up.
3. Under the chair cushion, there is a handle to adjust the height of the swivel chair. If you want to adjust the height, you need to stand up and pull the handle, and the swivel chair will rise automatically. A swivel chair is a chair that is equipped with a lifting device and is equipped with a pneumatic rod and liquid that can adjust the height.
4. The general swivel chair has one or two handles, which are used to adjust the seat height. If there is only one handle, you only need to lift the handle up to raise the seat height. If you want to lower, you need someone to sit on the chair and then lift the handle up.
What is the principle of taking off and landing chairs in the barbershop? And how do you lock it?
There are many kinds: one is that there is a hydraulic device inside, just like a Jack, which is pushed up with a foot pump using hydraulic principle, and the second one is topped with the principle of ratchet and pawl using mechanical principle. There is also a kind of electric, using the motor to drive the screw or nut, turn left or right to achieve the purpose of lifting.
Hydraulic bar, after the average customer sits on it, the barber can still raise the chair. After sitting on the air pressure bar, pull the lifting wrench and the chair will drop to the lowest.
After sitting on the back of a large chair, people slowly fall back, so it can be said that the back of this major can not be stuck, it can be said to be broken, or there is something wrong with the screws inside, or there is a problem with the ball that needs to be repaired, which is very dangerous.
What if the air pressure bar of the chair is installed upside down?
1. The bottom plate of the computer chair is installed in reverse, the removable computer chair is reinstalled. Loosen the screws on the chassis of the computer chair to separate the top and bottom of the chair. Pick up the chair to empty the foot and hit the foot from top to bottom with a glue hammer until the glue joint. Remove the air pressure bar, first remove the foot of the computer chair. Hold the pressure bar upside down and tap the chassis until it falls off.
2. Remove the air pressure bar, first remove the chair foot, then hold the air pressure bar upside down and knock on the chassis until it falls off. (the air pressure rod is tapered up and down, which is stuck into the chair foot and chassis respectively, and can be knocked off in the opposite direction of installation. It is not recommended to hit the pressure bar directly, it is easy to break the pressure bar, and it is not safe.
3. It is affected that the bed air pressure rod with pressure bar is installed upside down. Of course, there is a pressure rod on the bed anyway. This pressure rod is the same as the cylinder of the dump truck. If it is installed upside down, it cannot be pushed up.
4. The barber chair can rise and fall when stepping on the pole in the opposite direction, but it will be a little awkward when lifting the chair.