What is the difference between the function of the washer and the washer of the spring washer

1. What is the difference between the function of spring washer and the function of ordinary washer?

Spring washers (also called spring washers) have a pre-tension, and after being compressed, they rebound.

In actual use, due to the characteristics of the thread, the nut can easily rotate in the direction of the spiral after being tightened, causing the nut to loosen.

In order to solve this problem in the early days, spring washers appeared. Due to the pre-tension of the spring washer, after the nut compresses the spring washer, under the action of the pre-tension, the triangular screw buckle in the nut and the side of the triangular screw buckle of the bolt are tightly attached to each other. Under the action, the nut no longer appears loose.

The ordinary washer (also called round hole washer or flat washer or ordinary washer) is a support under the pretension of the spring washer, which increases the pressing area of the pretension of the spring washer.

Generally speaking, spring washers and ordinary washers are used together, and it is unreasonable to use ordinary washers alone.

Of course, the design and actual needs of individual applications are not excluded. For example, when the plastic shell of an electrical appliance is screwed with a self-tapping screw, the separate ordinary washer below is just to increase the force-bearing area.

2, What is the difference between a gasket and a sealing ring?

The difference between gasket and sealing ring:

1. The gasket refers to the part that is cushioned between the connected part and the nut; the sealing ring is an annular cover composed of one or several parts, which is fixed on a ring or washer of the bearing and contacts another ring or washer Or the formation of a narrow labyrinth gap is generally a flat metal ring.

2. The washer is used to protect the surface of the connected part from being scratched by the nut and disperse the pressure of the nut on the connected part. The sealing ring prevents the leakage of lubricating oil and the intrusion of foreign objects.

Washers are divided into: flat washers-C grade, large washers-A and C grades, extra large washers-C grade, small washers-A grade, flat washers-A grade, flat washers-chamfered type-A grade, high for steel structure Strength washers, spherical washers, tapered washers, square bevel washers for I-beam, square bevel washers for channel steel, standard spring washers, light spring washers, heavy spring washers, internal tooth lock washers, internal serrated lock washers, External tooth lock washers, external serrated lock washers, single-ear stop washers, double-ear stop washers, outer tongue stop washers, and stop washers for round nuts.

Glossary

washer

The washer is the part that is cushioned between the connected piece and the nut. Generally, a flat metal ring is used to protect the surface of the connected part from being scratched by the nut and disperse the pressure of the nut on the connected part. Washers are divided into spherical washers, tapered washers, square bevel washers for I-beam, etc.