Truck Valve Spring Seat

4 week ago

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5 month

Product details

The valve spring seat is an important component in the engine valve train, mainly used to fix and support the valve spring, ensuring that the valve can open and close normally. The following is a detailed introduction about the valve spring seat:

Function and Function

Supporting valve spring

The spring seat provides a stable installation platform for the valve spring, bearing the pre tension force of the spring and the reciprocating load during operation.

transmitting forces

Transfer the elastic force of the valve spring to the valve stem (connected by a locking clip or locking plate) to ensure that the valve returns to its original position in a timely manner.

Maintain neutrality

Cooperate with the valve guide to ensure the verticality of valve movement and reduce eccentric wear.

Structure and Type

Integrated spring seat

Integrated design with the valve stem end (commonly seen in small engines), with a simple structure, but maintenance and replacement require overall disassembly.

Split type spring seat

Independent components, connected to the valve stem through locking clips ("horseshoe clips" or "locking flaps") for easy maintenance.

material

High strength alloy steel or cast iron is usually used, and the surface may undergo heat treatment (such as carburizing, quenching) to improve wear resistance.

Installation and connection method

Lock clip fixation

The tail of the valve stem is machined with a groove, and the spring seat is clamped in the groove by a pair of conical locking clips. The spring force presses the locking clip onto the inner conical surface of the spring seat.

precautions

During installation, it is necessary to ensure that the locking clip is fully engaged in the slot, otherwise it may cause the valve to fall off and cause serious damage to the engine.

Common faults and maintenance

Wear or deformation

Long term stress may cause wear on the contact surface of the spring seat and deformation of the locking groove, requiring regular inspection.

Lock clip failure

The breakage or detachment of the locking clip can cause the valve to lose control and may impact the piston (especially in interference engines).

Key points for replacement

Special tools (valve spring compressor) are required for disassembly.

After installation, confirm that the valve is locked and not loose.

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Jienuo Import and Export Trade Co., Ltd

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Main Product: truck engine part, truck Transmission part, truck electrical part, truck Braking part, truck steering part , truck body part

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