swing handmade diy model toy educational assembly experimental material primary school scientific production solid wood creative invention 秋千手工DIY模型玩具益智拼装实验材料 小学科学制作实木创意发明

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Product Name: KX19 3 4 Swing
Product Code: Swing
Size: 210*130*155 mm
Weight: Approximately 80g
Material: wood + paper + glue + plastic components + rope
Color: Wood Tone
Battery usage: No
Packaging: 500 pcs
Box dimensions: 600*450*550mm

Swing, a game equipment, involves tying a long rope to a frame, hanging a platform below, and people swing back and forth along the platform. The swing was a sport created by ethnic minorities in northern China in ancient times. It spread to the Central Plains during the Spring and Autumn period. Due to its simple setup and ease of learning, it was very popular and quickly became widespread across various regions. After the Han Dynasty, the swing gradually became a folk custom activity held during festivals such as Qingming and Dragon Boat Festival, and has been passed down to this day.

The swing is a mechanical system that experiences two types of external forces: one is the downward gravity, and the other is the restraining force acting at the suspension point, which always aligns with the swing rope. We know that only when external forces continuously do work on the system does the swing rise higher. The restraining force, due to its constant alignment with the direction of the swing, does no work. Only gravity does work with each back-and-forth motion of the swing—it acts as a "push". We also know that a person’s center of gravity is higher when standing upright than when squatting. This means that during upward swings, the center of gravity of the swing is higher than during downward swings. During swinging, the human axis aligns with the swing rope. As a result, the torque exerted by gravity on the suspension point during an upward swing is smaller than during a downward swing. Therefore, the total work done by this torque is positive. Since energy is input with each back-and-forth motion, the swing naturally rises higher. In any case, whether swinging in this way or otherwise, it depends on the work done by the external forces on the swing system—either raising it or maintaining a certain height. However, for external forces to do work on the swing, an important condition is that their push matches the rhythm of the swing. The swing has a rhythm, and so does the push from external forces; both rhythms must align for the swing to rise higher. Meeting this condition is also known as resonance. The swing we discussed earlier is used as a sport. In fact, we often encounter many different types of "swings," namely "pendulums." These are essentially the core components of ordinary pendulum clocks: a pendulum and a escapement wheel. The lower part of the pendulum is a metal weight A, connected to the suspension point by a connecting rod. Some pendulum clocks even design the weight as a girl playing the swing. The back-and-forth motion of the pendulum is like a girl "swinging" on a swing. However, the "power" behind this girl’s swing comes from a cleverly designed "escapement wheel." Under the drive of a spring or other mechanism, escapement wheel B rotates clockwise. The escapement arm C attached to the pendulum moves with the pendulum’s motion, allowing the escapement wheel to rotate only one tooth per back-and-forth motion. The clever design of the escapement wheel and arm ensures that each time the gear "escapes," a small amount of energy is supplied to the pendulum by the escapement wheel, just like someone "pushing" the swing, enabling the escapement wheel to do work on the pendulum. Only in this way can the pendulum continue to swing; otherwise, it will stop.

Zhejiang Jianyi Education Technology Co., Ltd.
Zhejiang Jianyi Education Technology Co., Ltd. (formerly Yifei Toys Factory)Established in 2007, the current brand names include “XING TEACHER” and “JIAN YI”. Through 10 years of relentless effort, the company has gradually matured. Our firm is a member of the Ministry of Education’s Teaching Equipment Industry Association and a key enterprise in Zhejiang Province’s teaching equipment sector. For three consecutive years, it was recognized by Jinhua City as a “Contract-Abiding and Creditworthy” entity, and in 2014, it was awarded the title of “Advanced Enterprise in Jinhua Teaching Instruments Industry” by Zhejiang Province.
Zhejiang Jianyi Education Technology Co., Ltd. is a high-tech enterprise that integrates modern scientific research and development of educational equipment, curriculum design, integrated teaching resources, and technical services. With its high-tech products and modern educational equipment, Zhejiang Jianyi Education Technology Co., Ltd. sells its products across the country and to Europe, America, Japan, South Korea, and other regions. After years of accumulation, the company has reached a certain scale. In terms of technological innovation, the company has professional designers who develop complete sets of educational products and upgrade existing products. In terms of production, management, and installation services, the company strictly adheres to the standards of the ISO9001 international quality assurance system. In marketing, the “Teacher Xing” products have been introduced to many provinces and cities in China and enjoy a good reputation. Over the years, it has provided high-quality, advanced, and professional series of modern teaching equipment and specialized R&D and customization services for the education sector. With excellent, highly qualified professionals, comprehensive after-sales service, high product quality, and a good corporate image, the “Teacher Xing” educational and scientific series in physics, chemistry, energy, geography, biology, art, and more have won multiple bids in education bureau tenders. Zhejiang Jianyi Education Technology Co., Ltd. continues to uphold the business philosophy of “ultimate quality, diligent service, and sincerity in people,” maintain the “Teacher Xing” culture, build the “Teacher Xing” brand, and advance the development of “Teacher Xing.” It provides excellent equipment and high-quality services for school teaching and research. We are willing to cooperate wholeheartedly with new and old friends at home and abroad, work together, and serve education with all our efforts, contributing to the education industry.

Please check that the circuit is unobstructed and all components are intact before assembly, as well as ensure all contact points are properly aligned. During assembly, be careful not to let glue get on your clothes or skin. Keep the components out of reach for younger siblings to prevent them from accidentally swallowing them! Do not play with them on your head, as the model may fall and hurt you!