Product Definition and Uses

The telescopic bellows cover is a mechanical protective component specifically designed for high-compression-ratio lifting equipment and special light-shielding applications. Its main function is to effectively prevent foreign objects from falling into the structure during equipment lifting or movement, while providing 100% light-blocking protection in optical or imaging equipment applications.

Due to its pyramidal structure, this type of dust cover can achieve a large extension range with a very short compression length, making it particularly suitable for high-compression-ratio lifting platforms and custom-designed light-shielding structures for traditional cameras or optical path systems. Commonly used materials comply with EU RoHS regulations.

When is it appropriate to use a telescopic bellows cover?

In practical engineering and special applications, the telescopic bellows cover is particularly suitable for the following conditions:

• Lifting equipment with high compression ratio requirements (limited collapsible space)

• Lifting platforms need to prevent screws, dust, or foreign objects from falling into the structure

• Optical or imaging equipment needs complete light protection (100% opaque)

• Light protection for traditional cameras, optical systems, or special measurement equipment

• Customized applications where standard dust cover structures cannot meet travel or light protection requirements. Compared to general square or cylindrical dust covers, the pyramidal structure has significant advantages in space efficiency and light-blocking performance.

Structural and Material Design Specifications

The telescopic bellows cover can be fully customized to meet the specific equipment structure and application requirements. Common components include:

• Dust cover body: Rubber/plastic leather or coated fabric

• Front and rear mounting flanges: Sheet metal (steel or stainless steel)

• Internal structure and accessories (optional):

o Light-blocking material (to achieve 100% opacity)

o Stroke limiting structure (to prevent excessive stretching)

o Special lining design (to improve folding stability)

The actual materials and configuration will be evaluated based on the following conditions:

• Light-blocking level requirements (general light blocking or complete opacity)

• Lifting stroke and compression ratio

• Operating environment (oil, water, dust, indoor/outdoor)

• Whether antistatic or weather-resistant design is required

Main advantages of the telescopic bellows cover

• Achieves high compression ratio extension within limited space.

• Suitable for 100% opaque and light-shielding applications in optical and imaging equipment.

• Available in various materials to meet requirements such as dustproof, waterproof, oil-proof, and acid/alkali resistant.

• Specific materials can meet antistatic, UV-resistant, high-temperature resistant, or IP rating requirements.

• Supports high customization, suitable for non-standard industrial equipment and special applications.

Customized design and manufacturing capabilities

The telescopic bellows cover can be fully customized to meet the specific needs of your equipment, including:

• Installation dimensions and fixing method

• Compression length and maximum extension stroke

• Light blocking level (general light blocking or completely opaque)

• Environmental conditions (oil, water, dust, light)

• Expected service life and frequency of use

During the design phase, we comprehensively evaluate the lifting structure type, space constraints, and light blocking requirements to assist customers in selecting the most suitable materials and structural configurations to ensure functionality and long-term stability.

Application Scope

The telescopic bellows cover is commonly used in:

• High compression ratio lifting platforms

• Industrial lifting equipment

• Customized light-shielding structures for traditional cameras

• Optical, imaging, and measurement equipment

• Other special customized industrial protection applications The four-corner pyramid dust cover design simultaneously meets the needs of lifting protection and light shielding, preventing foreign objects or external light from affecting equipment function and lifespan.

FAQ | Common Issues with Telescopic Bellows Covers

Q1: What is the difference between a telescopic bellows cover and a regular square dust cover?

A: A telescopic bellows cover provides a higher compression ratio within a limited space, making it particularly suitable for lifting equipment with limited storage space and for light-blocking applications.

A regular square dust cover is more limited in terms of compression ratio and light-blocking efficiency.

Q2: Can a telescopic bellows cover truly achieve 100% light-blocking?

A: Yes, through specialized light-blocking materials and structural design, a pyramidal dust cover can achieve 100% light-blocking.

This application is commonly seen in traditional cameras and optical systems.

Q3: Which lifting equipment is a pyramidal dust cover suitable for?

A: Any lifting platform or equipment requiring a high compression ratio and needing to prevent foreign objects from falling into its structure is suitable for a pyramidal dust cover.

Q4: Can the size and material of a telescopic bellows cover be customized?

A: Yes, the telescopic bellows cover can be completely customized according to equipment size, lifting stroke, light-shielding requirements, and usage environment.

Q5: What factors affect the service life of the four-corner pyramid dust cover?

A: The service life is mainly affected by the lifting frequency, compression ratio design, usage environment, and material selection.

Through proper design, the actual service life can be effectively extended.