Working Principle and Application Fields of Car Repair Expan

Car repair expansion bolts, also known as gecko expansion bolts or expansion bolts, are a type of expansion bolt used as a fastening device to create a secure connection on walls or other surfaces. Here is a mechanical overview of car repair expansion bolts:

 

**Structure and Working Principle:** Car repair expansion bolts typically consist of a bolt, a nut, and an outer sleeve. One end of the bolt is attached to the object to be installed, and the other end connects to the nut. The outer sleeve is a hollow metal tube, often made of stainless steel or other corrosion-resistant materials, which slides over one side of the bolt. The outer sleeve features some slots or notches.

 

The working principle of car repair expansion bolts is that, during installation, the bolt is inserted into a pre-drilled hole, and then the nut is tightened. As the nut is tightened, it exerts force outward on the bolt, causing the outer sleeve to expand. This presses the slots or notches on the outer sleeve into the hole, creating a secure connection. The nut on the bolt can be used to adjust the tightness of the connection.

 

**Application Fields:** Car repair expansion bolts are commonly used in construction and structural engineering to fasten objects to concrete, brick walls, stone, or other sturdy surfaces. These bolts can be used for installing brackets, railings, pipe supports, ceiling hooks, electrical equipment, and more.

 

**Advantages:** Car repair expansion bolts offer several advantages, including:

 

- Suitable for very sturdy surfaces such as concrete and brick walls.

- Easy to install without the need for special tools.

- Adjustable tightness, making them suitable for various applications.

- High tensile and torque-bearing capacity, providing strong fastening.

 

In summary, car repair expansion bolts are reliable expansion bolts widely used in construction and structural engineering to create strong connections, especially when installing objects on sturdy surfaces.

 

Suzhou Beizhun is a professional manufacturer of precision machinery, specializing in the production of various high-quality mechanical parts. Our company has accumulated extensive experience in the field of mechanical machining to meet the diverse needs of industries for mechanical parts. Based on excellent craftsmanship and highly precise production equipment, we are committed to providing products that meet the highest standards. Our engineering team possesses deep technical knowledge and can accurately control each manufacturing step to ensure that the diameter, shape, and performance of the parts meet customer requirements.