Fluid connecting piece

Abstract

The utility model discloses a fluid connecting piece which comprises connecting structures, an annular sealing part and a cylinder with two open ends, the connecting structures are arranged at the open ends of the two sides of the cylinder and used for connecting the cylinder and a fluid pipeline, and the annular sealing part is installed in the middle of the inner side of the cylinder. The connecting structure comprises a synchronous sleeve, a gear, a gear ring and a plurality of threaded rods facing the circle center of the barrel body, and the synchronous sleeve is in threaded connection with the outer surfaces of the threaded rods and is rotationally connected with the inner wall of the barrel body. According to the fluid connecting piece, the gear ring and the gear are matched, and the gear ring is rotated to drive the gear to rotate, so that the threaded rod in the center of the synchronous sleeve moves towards or away from the circle center of the barrel, and the position of the threaded rod used for fixing a fluid pipeline can be rapidly adjusted; the sealing performance of the fluid pipelines connected with the two ends of the barrel can be guaranteed through the arrangement of the annular sealing parts, and therefore rapid connection between the fluid pipelines and the barrel is completed.

Description

Technical Field

[0001] The utility model relates to a fluid connector, belonging to the technical field of pipeline connection. Background Art

[0002] In daily life, the flow of fluids is usually transported through pipelines, and the connection of pipelines usually uses connectors.

[0003] Pipelines are made of metal or other materials (used to transport or drain fluids). A pipeline is a device connected by pipes, pipe connectors, valves, etc. for transporting gases, liquids, or fluids with solid particles. Usually, after the fluid is pressurized by a blower, compressor, pump, boiler, etc., it flows from the high-pressure part of the pipeline to the low-pressure part, or it can also be transported by the pressure or gravity of the fluid itself. Pipelines have a wide range of uses and are mainly used in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering, and various industrial installations.

[0004] The connection between existing connectors and pipelines usually adopts the flange connection method, which is time-consuming and laborious, with low efficiency, and it is inconvenient to disassemble or replace when there are problems with the pipeline or connector.

[0005] It can be seen that in order to solve the problem of inconvenient disassembly of the above pipelines, a fluid connector is urgently needed. Content of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a fluid connector. By adopting the cooperation of a toothed ring and a gear, the rotation of the toothed ring drives the gear to rotate self, so as to realize the movement of the central threaded rod of the synchronous sleeve towards or away from the center of the cylinder, and the position of the threaded rod for fixing the fluid pipeline can be quickly adjusted. The setting of the annular sealing part can ensure the sealing performance of the fluid pipelines connected at both ends of the cylinder, thus completing the quick connection between the fluid pipeline and the cylinder.

[0007] To achieve the above purpose / To solve the above technical problems, the utility model is implemented by the following technical solutions:

[0008] A fluid connector includes a connection structure, an annular sealing part, and a cylinder with open ends at both ends. The connection structure is arranged at the open ends on both sides of the cylinder for connecting the cylinder with the fluid pipeline, and the annular sealing part is installed in the middle of the inner side of the cylinder.

[0009] The connection structure includes a synchronous sleeve, a gear, a toothed ring, and a plurality of threaded rods facing the center of the cylinder. Among them,

[0010] The synchronous sleeve is threadedly connected to the outer surface of the threaded rod and is rotatably connected to the inner wall of the cylinder, and the gear is fixed outside the synchronous sleeve.

[0011] The toothed ring meshes with the gear and is movably connected to the inner wall of the cylinder body. By rotating the toothed ring, a plurality of threaded rods are driven to move towards or away from the fluid pipeline.

[0012] Furthermore, a buffer member is further included, and the buffer member is installed at one end of the threaded rod facing the center of the cylinder body.

[0013] Furthermore, a connecting column is further included. The connecting column is used to connect the toothed ring and the inner wall of the cylinder body. One end of the connecting column is fixed to the toothed ring, and the other end is slidably connected to the inner wall of the cylinder body. A groove adapted to the connecting column is formed on the inner wall of the cylinder body.

[0014] Furthermore, an auxiliary rod is further included, and the auxiliary rod is fixed to the side of the toothed ring away from the annular sealing portion.

[0015] Furthermore, the annular sealing portion includes an annular member and a sealing ring. Among them,

[0016] The annular member is fixed to the inner wall of the cylinder body. There are two sealing rings, and the two sealing rings are installed on both sides of the annular member.

[0017] Furthermore, the threaded rod includes a rod portion, a cap portion, and a telescopic column. Among them,

[0018] External threads adapted to the synchronous sleeve are provided on the surface of the rod portion. One end of the rod portion is located inside the cylinder body and is threadedly connected to the synchronous sleeve, and the other end is fixed to the cap portion;

[0019] One end of the telescopic column is fixed to the inner wall of the cylinder body, and the other end is fixed to the cap portion.

[0020] Furthermore, a synchronous column is further included. The synchronous column is installed on the side of the synchronous sleeve facing the inner wall of the cylinder body. The number of synchronous columns at each synchronous sleeve is at least two. One end of the synchronous column is fixed to the synchronous sleeve, and the other end is movably connected to the inner wall of the cylinder body;

[0021] An annular groove adapted to the synchronous column is formed at the contact between the inner wall of the cylinder body and the synchronous column.

[0022] Furthermore, a clamping block is further included. One end of the clamping block is fixed to the synchronous column, and the other end is slidably connected to the inner side wall of the annular groove.

[0023] Compared with the prior art, the beneficial effects achieved by the present utility model:

[0024] The fluid connector provided by the present utility model, by adopting the cooperation mode of a toothed ring and a gear, drives the gear to rotate by itself by rotating the toothed ring, so as to realize the movement of the central threaded rod of the synchronous sleeve towards or away from the center of the cylinder body, and can quickly adjust the position of the threaded rod for fixing the fluid pipeline. The setting of the annular sealing part can ensure the sealing performance of the fluid pipelines connected to both ends of the cylinder body, thereby completing the quick connection between the fluid pipeline and the cylinder body;

[0025] The fluid connector provided by the present utility model, by arranging a buffer part at one end of the threaded rod facing the center of the cylinder body, can carry out buffer protection when the threaded rod fixes the fluid pipeline;

[0026] The fluid connector provided by the present utility model, by arranging an auxiliary rod on the side of the toothed ring away from the annular sealing part, can assist the rotation of the toothed ring to ensure the installation efficiency of the fluid pipeline;

[0027] The fluid connector provided by the present utility model, by arranging a synchronous column between the synchronous sleeve and the cylinder body, can ensure the stability of the synchronous sleeve during rotation. Description of the Drawings

[0028] Figure 1 is a front view sectional structure schematic diagram of the fluid connector provided in the first embodiment;

[0029] Figure 2 is Figure 1 an enlarged schematic diagram of the structure at A in

[0030] In the figure: 1, cylinder body; 2, synchronous sleeve; 3, gear; 4, toothed ring; 5, threaded rod; 6, connecting column; 7, auxiliary rod; 8, annular part; 9, sealing ring; 10, rod part; 11, cap part; 12, telescopic column; 13, synchronous column; Detailed Embodiments

[0031] The present utility model will be further described below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0032] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0033] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances. Embodiment 1

[0034] As Figure 1 and Figure 2 shown, this embodiment provides a fluid connector, including a connection structure, an annular sealing portion, and a cylinder 1 with both ends open. The connection structure is arranged at the two open ends of the cylinder 1 and is used to connect the cylinder 1 with a fluid pipeline. The annular sealing portion is installed in the middle of the inner side of the cylinder 1;

[0035] The connection structure includes a synchronous sleeve 2, a gear 3, a toothed ring 4, and a plurality of threaded rods 5 facing the center of the cylinder 1. Among them,

[0036] The synchronous sleeve 2 is threadedly connected to the outer surface of the threaded rod 5 and is rotatably connected to the inner wall of the cylinder 1. The gear 3 is fixed outside the synchronous sleeve 2;

[0037] The toothed ring 4 meshes with the gear 3 and is movably connected to the inner wall of the cylinder 1. By rotating the toothed ring 4, the plurality of threaded rods 5 are driven to move towards or away from the fluid pipeline.

[0038] In the above technical solution, by adopting the cooperation mode of the toothed ring 4 and the gear 3, the rotation of the toothed ring 4 drives the gear 3 to rotate self, so as to realize the movement of the central threaded rod 5 of the synchronous sleeve 2 towards or away from the center of the cylinder body 1, and the position of the threaded rod 5 for fixing the fluid pipeline can be quickly adjusted. The setting of the annular sealing part can ensure the sealing performance of the fluid pipelines connected to both ends of the cylinder body 1, thus completing the quick connection between the fluid pipeline and the cylinder body 1. Embodiment 2

[0039] A fluid connector provided in this embodiment is different from the fluid connector provided in Embodiment 1 in that:

[0040] To provide buffer protection when the threaded rod 5 fixes the fluid pipeline, a buffer member is further included. The buffer member is installed at one end of the threaded rod 5 facing the center of the cylinder body 1. In this embodiment, the buffer member is silica gel, which can deform correspondingly according to the shape of the fluid pipeline to ensure the fixing and buffering effects. However, it is not limited thereto, and buffer members such as sponge can also be used.

[0041] To realize the connection between the toothed ring 4 and the inner wall of the cylinder body 1, a connecting column 6 is further included. The connecting column 6 is used to connect the toothed ring 4 and the inner wall of the cylinder body 1. One end of the connecting column 6 is fixed to the toothed ring 4, and the other end is slidably connected to the inner wall of the cylinder body 1. A groove body adapted to the connecting column 6 is provided on the inner wall of the cylinder body 1.

[0042] To assist the rotation of the toothed ring 4, an auxiliary rod 7 is further included. The auxiliary rod 7 is fixed on the side of the toothed ring 4 away from the annular sealing part.

[0043] To realize the sealing function of the annular sealing part between two fluid pipelines, the annular sealing part includes an annular member 8 and a sealing ring 9. Among them,

[0044] The annular member 8 is fixed to the inner wall of the cylinder body 1. There are two sealing rings 9, and the two sealing rings 9 are installed on both sides of the annular member 8.

[0045] To realize the connection between the threaded rod 5 and the cylinder body to ensure that the threaded rod 5 can move accordingly when the synchronous sleeve 2 rotates, the threaded rod 5 includes a rod part 10, a cap part 11 and a telescopic column 12. Among them,

[0046] External threads adapted to the synchronous sleeve 2 are provided on the surface of the rod part 10. One end of the rod part 10 is located inside the cylinder body 1 and is threadedly connected to the synchronous sleeve 2, and the other end is fixed to the cap part 11. One end of the telescopic column 12 is fixed to the inner wall of the cylinder body 1, and the other end is fixed to the cap part 11.

[0047] To achieve the connection between the synchronous sleeve 2 and the inner wall of the cylinder body 1 and ensure the stability of the synchronous sleeve 2 during rotation, a synchronous column 13 is further included. The synchronous column 13 is installed on the side of the synchronous sleeve 2 facing the inner wall of the cylinder body 1. The number of synchronous columns 13 at each synchronous sleeve 2 is at least two. One end of the synchronous column 13 is fixed to the synchronous sleeve 2, and the other end is movably connected to the inner wall of the cylinder body 1;

[0048] An annular groove adapted to the synchronous column 13 is provided at the contact between the inner wall of the cylinder body 1 and the synchronous column 13.

[0049] To ensure that the synchronous sleeve 2 can maintain a rotating state, a clamping block is further included. One end of the clamping block is fixed to the synchronous column 13, and the other end is slidably connected to the inner side wall of the annular groove.

[0050] To lock the toothed ring 4 to ensure the stability of the toothed ring 4 after adjustment, a locking assembly is further provided on the side of the connecting column 6 away from the annular sealing portion. The locking assembly includes a locking plate and a locking bolt. The locking plate is fixed to the connecting column, and the locking bolt is threadedly connected to the locking plate and can be fixed to the inner wall of the cylinder body 1. A plurality of locking holes adapted to the locking bolts are provided on the side wall of the cylinder body 1 to meet the connection requirements of fluid pipes of different specifications.

[0051] In summary, for the fluid connector provided in this embodiment, by providing a buffer portion at one end of the threaded rod 5 facing the center of the cylinder body 1, buffer protection can be provided when the threaded rod 5 fixes the fluid pipe; by providing an auxiliary rod 7 on the side of the toothed ring 4 away from the annular sealing portion, the rotation of the toothed ring 4 can be assisted to ensure the installation efficiency of the fluid pipe; by providing a synchronous column 13 between the synchronous sleeve 2 and the cylinder body 1, the stability of the synchronous sleeve 2 during rotation can be ensured.

[0052] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and deformations can be made, and these improvements and deformations should also be regarded as the protection scope of the present invention.

Claims

1. A fluid connector, characterized in that, It includes a connection structure, an annular seal, and a cylinder body (1) with open ends at both sides. The connection structure is arranged at the open ends on both sides of the cylinder body (1) for connecting the cylinder body (1) with a fluid pipeline, and the annular seal is installed in the middle of the inner side of the cylinder body (1). The connection structure includes a synchronous sleeve (2), a gear (3), a toothed ring (4), and a plurality of threaded rods (5) facing the center of the cylinder body (1). Among them, the synchronous sleeve (2) is threadedly connected to the outer surface of the threaded rod (5) and is rotatably connected to the inner wall of the cylinder body (1), and the gear (3) is fixed outside the synchronous sleeve (2). The toothed ring (4) meshes with the gear (3) and is movably connected to the inner wall of the cylinder body (1). By rotating the toothed ring (4), the plurality of threaded rods (5) are driven to move towards or away from the fluid pipeline.

2. The fluid connector according to claim 1, characterized in that It further includes a buffer member, and the buffer member is installed at one end of the threaded rod (5) facing the center of the cylinder body (1).

3. The fluid connector according to claim 1, wherein It further includes a connecting column (6). The connecting column (6) is used to connect the toothed ring (4) with the inner wall of the cylinder body (1). One end of the connecting column (6) is fixed to the toothed ring (4), and the other end is slidably connected to the inner wall of the cylinder body (1). A groove adapted to the connecting column (6) is formed on the inner wall of the cylinder body (1).

4. The fluid connector according to claim 1, wherein It further includes an auxiliary rod (7), and the auxiliary rod (7) is fixed to the side of the toothed ring (4) away from the annular seal.

5. The fluid connector according to claim 1, wherein The annular seal includes an annular member (8) and a sealing ring (9). Among them, the annular member (8) is fixed to the inner wall of the cylinder body (1), and there are two sealing rings (9). The two sealing rings (9) are installed on both sides of the annular member (8).

6. The fluid connector according to claim 1, wherein The threaded rod (5) includes a rod portion (10), a cap portion (11), and a telescopic column (12). Among them, an external thread adapted to the synchronous sleeve (2) is provided on the surface of the rod portion (10). One end of the rod portion (10) is located inside the cylinder body (1) and is threadedly connected to the synchronous sleeve (2), and the other end is fixed to the cap portion (11). One end of the telescopic column (12) is fixed to the inner wall of the cylinder body (1), and the other end is fixed to the cap portion (11).

7. The fluid connector according to claim 1, characterized in that It further includes a synchronous column (13). The synchronous column (13) is installed on the side of the synchronous sleeve (2) facing the inner wall of the cylinder body (1). The number of synchronous columns (13) at each synchronous sleeve (2) is at least two. One end of the synchronous column (13) is fixed to the synchronous sleeve (2), and the other end is movably connected to the inner wall of the cylinder body (1). An annular groove adapted to the synchronous column (13) is formed at the contact between the inner wall of the cylinder body (1) and the synchronous column (13).

8. The fluid connector according to claim 7, wherein It further includes a clamping block. One end of the clamping block is fixed to the synchronous column (13), and the other end is slidably connected to the inner side wall of the annular groove.

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