QB/T 2697-2005
AbolishedFloor spring
地弹簧
Catalogue
前言 → 引言 → 1 范围 → 2 规范性引用文件 → 3 产品分类 → 4 要求 → 5 试验方法 → 6 检验规则 → 7 标志、包装、运输、贮存 Foreword → Introduction → 1 Scope → 2 Normative References → 3 Product Classification → 4 Requirements → 5 Test Methods → 6 Inspection Rules → 7 Marking, Packaging, Transport, and Storage
Scope
This standard specifies the product classification, requirements, test methods, inspection rules, and marking, packaging, transport, and storage of floor springs. This standard applies to various floor springs installed under swing door leaves that can open in one or both directions, operating at temperatures from -15°C to 40°C, and combining metal spring and hydraulic damping action.
本标准规定了地弹簧的产品分类、要求、试验方法、检验规则和标志、包装、运输、贮存。 本标准适用于安装在平开门扇下可单、双向开门、使用温度在一15'C -400 C、由金属弹簧、液压阻尼组合作用的各种地弹簧。
Normative References
Keywords
Application Summary AI generated
Manufacturers of floor springs and the building hardware industry use this standard to design and produce compliant products. Architects and construction professionals rely on it to select appropriate floor springs for door installations, ensuring proper opening and closing. The standard promotes safety, durability, and market regulation by specifying performance criteria and test methods.
地弹簧制造商和建筑五金行业使用本标准来设计和生产符合质量要求的地弹簧产品。建筑设计师和施工方依据本标准选择合适规格的地弹簧，确保门扇正常开启和关闭。该标准通过规定性能指标和测试方法，保障产品安全性和耐用性，促进市场规范化。
AI Summary AI generated
This standard, QB/T 2697-2005, replaces QB/T 3884-1999 and specifies product classification, requirements, test methods, inspection rules, and marking/packaging for floor springs. It applies to floor springs installed under swing door leaves, operating at -15°C to 40°C, combining metal spring and hydraulic damping. Key technical indicators include opening torque, closing torque, efficiency, closing time, positioning performance, opening cushioning, delayed closing, temperature effects, and service life grades. The standard references JIS A1510.3-2001, adds efficiency classification and life indicators, and improves product marking methods.
本标准为QB/T 2697-2005，替代QB/T 3884-1999，规定了地弹簧的产品分类、要求、试验方法、检验规则及标志包装等。适用于平开门扇下、温度-15°C至40°C、由金属弹簧和液压阻尼组合作用的地弹簧。主要技术指标包括开启力矩、关闭力矩、效率、关闭时间、定位性能、开门缓冲、延时关闭、温度影响及寿命等级。标准参考了JIS A1510.3-2001，增加了效率分类和寿命指标，完善了产品标志方法。
Key Sentences extracted from text
本标准规定了地弹簧的产品分类、要求、试验方法、检验规则和标志、包装、运输、贮存。
本标准适用于安装在平开门扇下可单、双向开门、使用温度在一15'C -400 C、由金属弹簧、液压阻尼组合作用的各种地弹簧。
全关闭调速阀时，关闭时间不小于40s;全打开调速阀时，关闭时间不大于3s.
有开门缓冲性能的产品，门开启至65“之后应有明显减速现象。
寿命按等级要求进行测试，在循环进行规定次数后，应符合表6规定。
This standard specifies the product classification, requirements, test methods, inspection rules, and marking, packaging, transport, and storage of floor springs.
This standard applies to various floor springs installed under swing door leaves that can open in one or both directions, operating at temperatures from -15°C to 40°C, and combining metal spring and hydraulic damping action.
When the speed regulating valve is fully closed, the closing time shall be not less than 40 s; when the speed regulating valve is fully opened, the closing time shall be not more than 3 s.
For products with opening cushioning performance, there shall be an obvious deceleration after the door opens to 65°.
The service life shall be tested according to the grade requirements, and after the specified number of cycles, it shall comply with the provisions of Table 6.
Standard Timeline
Changes from replaced version:
- 增加了效率指标并进行了分类
- 完善了产品标志方法
- 增加了开门缓冲和延时关闭性能
- 增加了温度变化对关闭时间的影响指标
- 根据产品使用频率状况，规定了相应寿命指标，有利于产品向更高要求发展
- Added efficiency indicators and classification
- Improved product marking methods
- Added opening cushioning and delayed closing performance
- Added indicators for the effect of temperature change on closing time
- Specified corresponding service life indicators based on product usage frequency, facilitating product development toward higher requirements