Abstract: The invention discloses a fitness barbell comprising a holding rod and a gravity body, the gravity body is a ring-shaped gravity fitness ring, a handle arranged in the diameter direction of the ring-shaped gravity fitness ring is arranged in the ring-shaped gravity fitness ring, the holding rod is fastened detachably with the ring-shaped gravity fitness ring through a connecting mechanism composed of a fixing seat and a fastening lock, and the ring-shaped gravity fitness ring is limited between the fixing seat and the lock body of the fastening lock through the lock tongue of the fastening lock. The invention has the following advantages: through the adoption of the ring-shaped gravity fitness ring as the gravity body, multiple purposes can be achieved, and materials are saved; and due to the application of the fastening lock, the gravity body is convenient to mount and detach, and the fastening effect is better.

Abstract: The invention discloses a fitness equipment which comprises a ring-shaped gravity body and a handle connected with the gravity body, wherein, the handle is positioned in the radial position of the interior of the ring-shaped gravity body, the end parts of the handle are detachably and fixedly connected with the gravity body, protective covers are embedded into the inner surface of the ring-shaped gravity body, and through the coverage of the protective covers, the connecting parts between the ring-shaped gravity body and the handle are rendered smooth. Through the application of the protective covers and the appropriate structural design of the two end parts of the handle, the surfaces of the fitness equipment provided by the invention can be rendered smooth, thereby effectively avoiding injuries to users.

Abstract: The invention discloses a fitness barbell comprising a holding rod and a gravity body, the gravity body is a ring-shaped gravity fitness ring, a handle arranged in the diameter direction of the ring-shaped gravity fitness ring is arranged in the ring-shaped gravity fitness ring, the holding rod is fastened detachably with the ring-shaped gravity fitness ring through a connecting mechanism composed of a fixing seat and a fastening lock, and the ring-shaped gravity fitness ring is limited between the fixing seat and the lock body of the fastening lock through the lock tongue of the fastening lock. The invention has the following advantages: through the adoption of the ring-shaped gravity fitness ring as the gravity body, multiple purposes can be achieved, and materials are saved; and due to the application of the fastening lock, the gravity body is convenient to mount and detach, and the fastening effect is better.

Abstract: The invention discloses a fitness equipment which comprises a ring-shaped gravity body and a handle connected with the gravity body, wherein, the handle is positioned in the radial position of the interior of the ring-shaped gravity body, the end parts of the handle are detachably and fixedly connected with the gravity body, protective covers are embedded into the inner surface of the ring-shaped gravity body, and through the coverage of the protective covers, the connecting parts between the ring-shaped gravity body and the handle are rendered smooth. Through the application of the protective covers and the appropriate structural design of the two end parts of the handle, the surfaces of the fitness equipment provided by the invention can be rendered smooth, thereby effectively avoiding injuries to users.

Abstract: This invention discloses a portable electrical grease gun which relates to electric tool field. The portable electrical grease gun according to the present invention, in which conventional slide block assembly driving structure is replaced by a crank link mechanism. As a result, the structure of the product is compact and simple. The crank link mechanism is constructed at low cost. The friction is low during operation. The operation is stable and reliable. It is easy for bulk production. In addition, the volume of the portable electrical grease gun according to the present invention is small so that it is easy to take and operate conveniently.

Abstract: This invention discloses a portable electrical grease gun which relates to electric tool field. The portable electrical grease gun according to the present invention, in which conventional slide block assembly driving structure is replaced by a crank link mechanism. As a result, the structure of the product is compact and simple. The crank link mechanism is constructed at low cost. The friction is low during operation. The operation is stable and reliable. It is easy for bulk production. In addition, the volume of the portable electrical grease gun according to the present invention is small so that it is easy to take and operate conveniently.