CN215862141U

CN215862141U - Direct rotary joint of steel cylinder

Info

Publication number: CN215862141U
Application number: CN202121343695.5U
Authority: CN
Inventors: 王本传; 王本承; 娄树江; 赵雪聪
Original assignee: Yantai Huayang Lifesaving Equipment Manufacturing Co ltd
Current assignee: Yantai Huayang Lifesaving Equipment Manufacturing Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-02-18
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to a water lifesaving tool, in particular to a direct rotary joint of a steel cylinder, which comprises a hollow joint body, wherein the middle part of the joint body is provided with a hexagonal flange, a first external thread matched with a steel cylinder opening is arranged on the joint body close to one side of the hexagonal flange, one end of the joint body close to the first external thread is provided with a flat-bottom ring groove, and an O-shaped rubber ring is arranged in the flat-bottom ring groove; be close to hexagonal flange opposite side connect and set up the annular at the bottom of the semicircle on the body, a plurality of steel balls of packing into in the annular at the bottom of the semicircle, be close to the annular at the bottom of the semicircle the joint body other end sets up the second external screw thread, the nut include one section with the screw hole and one section unthreaded hole of second external screw thread adaptation, the unthreaded hole inner wall is with a plurality of the steel ball roll the cooperation. Compared with the prior art, the utility model is specially designed for the single-steel-bottle single-web-tire life raft, has a split structure, can be directly connected to the web-tire inflation valve, can be conveniently connected with the web tire of the life raft compared with other connectors, has the advantages of high gas flow rate, flexibility, rapidness, good universality, firmness and durability, and is convenient to disassemble from the web tire.

Description

Direct rotary joint of steel cylinder

Technical Field

The utility model relates to a water lifesaving tool, in particular to a direct rotary joint of a steel cylinder.

Background

The steel cylinder joint on the existing life raft is usually integrated, needs to be connected with the abdominal tyre inflation valve through a pipeline, cannot rotate universally and is inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

In order to overcome one of the defects or shortcomings in the prior art, the utility model discloses a direct rotary joint of a steel cylinder, which adopts the technical scheme that:

a direct rotary joint of a steel cylinder comprises a hollow joint body and is characterized in that a hexagonal flange is arranged in the middle of the joint body, a first external thread matched with a steel cylinder opening is arranged on the joint body close to one side of the hexagonal flange, a flat-bottom annular groove is formed in one end of the joint body close to the first external thread, and an O-shaped rubber ring is arranged in the flat-bottom annular groove; be close to hexagonal flange opposite side connect and set up the annular at the bottom of the semicircle on the body, a plurality of steel balls of packing into in the annular at the bottom of the semicircle, be close to the annular at the bottom of the semicircle the joint body other end sets up the second external screw thread, the nut include one section with the screw hole and one section unthreaded hole of second external screw thread adaptation, the unthreaded hole inner wall is with a plurality of the steel ball roll the cooperation.

Furthermore, a radial threaded hole corresponding to the semicircular bottom ring groove is formed in the nut, an inner hexagonal flat-end fastening screw is screwed into the radial threaded hole, and the inner end of the inner hexagonal flat-end fastening screw enters the semicircular bottom ring groove.

Compared with the prior art, the utility model is specially designed for the single-steel-bottle single-web-tire life raft, has a split structure, can be directly connected to the web-tire inflation valve, can be conveniently connected with the web tire of the life raft compared with other connectors, has the advantages of high gas flow rate, flexibility, rapidness, good universality, firmness and durability, and is convenient to disassemble from the web tire.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure view of fig. 1.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The direct rotary joint for the steel cylinder comprises a hollow joint body 1 and is characterized in that a hexagonal flange 6 is arranged in the middle of the joint body 1, a first external thread 7 matched with a steel cylinder opening is arranged on the joint body 1 close to one side of the hexagonal flange, a flat-bottom annular groove is formed in one end, close to the first external thread 7, of the joint body 1, and an O-shaped rubber ring 5 is arranged in the flat-bottom annular groove; be close to hexagonal flange opposite side connect and set up the annular at the bottom of the semicircle on the body 1, a plurality of steel balls 3 of packing into in the annular at the bottom of the semicircle, be close to the annular at the bottom of the semicircle connect the body 1 other end to set up the second external screw thread, nut 4 include one section with the screw hole and one section unthreaded hole of second external screw thread adaptation, the unthreaded hole inner wall is with a plurality of 3 roll fits of steel ball. The nut 4 is provided with a radial threaded hole corresponding to the semicircular bottom ring groove, an inner hexagonal flat end holding screw 2 is screwed into the radial threaded hole, and the inner end of the inner hexagonal flat end holding screw 2 enters the semicircular bottom ring groove.

The foregoing is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; those skilled in the art can make many possible variations or modifications to the utility model using the methods and techniques disclosed above, or to modify equivalent embodiments without departing from the scope of the utility model. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.

Claims

1. The direct rotary joint of the steel cylinder comprises a hollow joint body (1), and is characterized in that a hexagonal flange (6) is arranged in the middle of the joint body (1), a first external thread (7) matched with a steel cylinder opening is arranged on the joint body (1) close to one side of the hexagonal flange, a flat-bottom annular groove is formed in one end, close to the first external thread (7), of the joint body (1), and an O-shaped rubber ring (5) is arranged in the flat-bottom annular groove; be close to hexagonal flange opposite side set up the ring groove at the bottom of the semicircle on the joint body (1), a plurality of steel balls (3) are packed into in the ring groove at the bottom of the semicircle, are close to the ring groove at the bottom of the semicircle joint body (1) other end sets up the second external screw thread, nut (4) include one section with the screw hole and one section unthreaded hole of second external screw thread adaptation, the unthreaded hole inner wall is with a plurality of steel ball (3) roll cooperation.

2. The direct rotary joint of steel cylinder according to claim 1, characterized in that the nut (4) is provided with a radial threaded hole corresponding to the semi-circular bottom ring groove, an inner hexagonal flat end fastening screw (2) is screwed into the radial threaded hole, and the inner end of the inner hexagonal flat end fastening screw (2) enters the semi-circular bottom ring groove.