Conical butt joint for pipelines

Abstract

The utility model relates to the technical field of pipeline butt joint, in particular to a conical butt joint for pipelines. The conical butt joint for the pipeline comprises a male pipe with a male head, and the position, away from the male pipe, of the side wall of the male head is equal. The outward side of the hook ring is arranged to be an inclined face, and the side, facing the male pipe, of the hook ring is arranged to be a vertical flat face. And the female pipe is matched with the male head in a butt joint manner. The butt joint structure is arranged in the pipeline, after the female pipe and the male pipe are in butt joint, the outer surface of the pipeline is kept smooth without protruding parts, the problem that the pipeline interferes with other equipment or structures is solved, and the butt joint structure is particularly suitable for the application environment with narrow space or compact layout; and the butt joint process is simple and rapid, stable connection can be rapidly achieved only by sleeving the female pipe into the male head part of the male pipe and utilizing the cooperation of the hook ring and the hook groove and the double locking mechanism of the convex ring and the limiting groove, and the installation process is greatly simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline butt joint, in particular to a pipeline conical butt joint head. Background Art

[0002] Pipeline systems are widely used in various industrial fields, such as oil and gas, chemical industry, water treatment, etc. To ensure the continuity and tightness of fluids or gases in the pipeline system, the connection between pipelines is crucial.

[0003] Chinese Utility Model Patent CN221482949U discloses a pipeline for water conservancy projects that is convenient for butt joint, including a first pipeline and a second pipeline butt-jointed with the first pipeline. A first butt joint ring is sleeved and fixed on the outer wall of one end of the first pipeline. A positioning groove for inserting the second pipeline is formed between the first butt joint ring and the first pipeline. And a second butt joint ring is sleeved and fixed on the outer wall of one end of the second pipeline. The second butt joint ring is connected to the first butt joint ring through two pre-fixing components, and the two pre-fixing components are symmetrically distributed. This patent realizes the butt joint between pipelines by installing butt joint rings on the outer side walls of the pipelines and limiting the adjacent two butt joint rings with bolts. However, after the pipeline butt joint is completed, due to the existence of the butt joint rings, a bulge will be formed outward at the pipeline connection, which is likely to interfere with other equipment or structures. Moreover, the installation and disassembly process requires tightening or removing multiple bolts, and the operation is rather troublesome. Especially in a narrow space, it becomes extremely difficult to tighten and remove the bolts, resulting in difficulties in pipeline butt joint and further affecting the laying and installation of the entire pipeline system. Summary of the Utility Model

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the utility model provides a pipeline conical butt joint head with convenient and fast butt joint operation.

[0005] The technical solution is as follows: A pipeline conical butt joint head includes a male pipe with a male head. A hook ring is fixedly arranged at a position on the side wall of the male head far away from the male pipe. The outer side of the hook ring is set as an inclined plane, and its side towards the male pipe is set as a vertical flat plane. It also includes a female pipe that is butt-jointed with the male head. A hook groove is opened on the inner side wall of the female pipe corresponding to the position of the hook ring. The hook groove is adapted to the hook ring and is provided with an inner inclined plane and an inner flat plane. When the female pipe is sleeved on the male head, the flat plane of the hook ring is in contact with the inner flat plane of the hook groove, and the inner inclined plane is in contact with the inclined plane.

[0006] Optionally, a limiting ring is further arranged on the side wall of the male head, and a limiting groove is formed between the limiting ring and the end of the male pipe.

[0007] Optionally, a docking groove is opened in the female pipe corresponding to the position of the limiting ring, and a convex ring adapted to the limiting groove is arranged at the end of the female pipe.

[0008] Optionally, a second annular groove is provided on the limiting ring, and a first annular groove is provided at the corresponding position on the mother pipe.

[0009] Optionally, it further includes an elastic washer sleeved in the second annular groove on the limiting ring and capable of fitting with the first annular groove when the mother pipe is docked with the male head.

[0010] The beneficial effects of the present utility model are as follows: The docking structure of the present utility model is arranged inside the pipeline. After the mother pipe and the male pipe are docked, the outer surface of the pipeline remains smooth without protruding parts, avoiding the problem of interference with other equipment or structures, and is especially suitable for application environments with narrow space or compact layout; and the docking process is simple and fast. Only need to insert the mother pipe into the male head part of the male pipe, and utilize the cooperation of the hook ring and the hook groove, as well as the double locking mechanism of the convex ring and the limiting groove, to quickly achieve stable connection, greatly simplifying the installation process; the inclined surface design of the hook ring and the hook groove enables the mother pipe to be smoothly inserted into the male head during the docking process; and after the docking is completed, the contact between the flat surface of the hook ring and the inner flat surface of the hook groove effectively prevents the pipeline from loosening due to vibration or external force, enhancing the stability of the connection; using an elastic washer as an additional sealing measure can form a reliable sealing layer after the male head and the mother pipe are docked, ensuring that the fluid or gas inside the pipeline will not leak, and improving the safety and reliability of the entire pipeline system. Description of the Drawings

[0011] Figure 1 It is a sectional view of the present utility model.

[0012] Figure 2 It is a structural schematic diagram of the male pipe of the present utility model.

[0013] Figure 3 It is a sectional view of the mother pipe of the present utility model.

[0014] Figure 4 is Figure 1 a plan view of

[0015] Description of the reference numerals: 1 - male pipe, 11 - male head, 2 - mother pipe, 21 - docking groove, 22 - first annular groove, 23 - hook groove, 3 - limiting ring, 31 - second annular groove, 32 - elastic washer, 4 - hook ring, 5 - limiting groove, 6 - convex ring. Detailed Embodiment

[0016] Here, exemplary embodiments will be described in detail, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0017] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present utility model is not limited by the specific embodiments disclosed below.

[0018] As Figures 1-4 shown, an embodiment of the present utility model provides a pipe tapered docking head, which includes a male pipe 1 and a female pipe 2. A male head 11 is provided at the right end of the male pipe 1, and the female pipe 2 is in docking fit with the male head 11. Refer to Figure 2 , a limiting ring 3 and two hook rings 4 are sequentially arranged on the side wall of the male head 11 from left to right; refer to Figure 3 , a docking groove 21 and two hook grooves 23 are sequentially formed inside from left to right.

[0019] As Figure 4 shown, in an embodiment of the present utility model, the outer side of the hook ring 4 is set as an inclined surface, and the side facing the male pipe 1 is set as a vertical flat surface. The hook groove 23 is set in a shape that fits the hook ring 4, including an inner inclined surface and an inner flat surface. When the female pipe 2 is docked with the male head 11, the hook ring 4 fits with the hook groove 23, the flat surface of the hook ring 4 contacts the inner flat surface of the hook groove 23, and the inner inclined surface contacts the inclined surface.

[0020] As Figure 1 and Figure 4 shown, in an embodiment of the present utility model, a ring groove II 31 is formed on the limiting ring 3, and a ring groove I 22 is additionally formed in the docking groove 21 on the female pipe 2. An elastic washer 32 is sleeved in the ring groove II 31 of the limiting ring 3. When the female pipe 2 is docked with the male head 11, the elastic washer 32 will fit with the ring groove I 22 at the same time and form an additional sealing layer to ensure that the fluid or gas in the pipe will not leak.

[0021] As Figure 2 and Figure 4 shown, in an embodiment of the present utility model, a limiting groove 5 is formed between the limiting ring 3 and the end of the male pipe 1, and a convex ring 6 adapted to the limiting groove 5 is provided at the end of the female pipe 2. When the female pipe 2 is docked with the male head 11, the convex ring 6 fits with the limiting groove 5, and the hook ring 4 fits with the hook groove 23, which can realize double locking of the pipe connection.

[0022] In the embodiment of the present utility model, when conducting pipe docking, only need to sleeved the female pipe 2 from right to left onto the male head 11. Since the outward-facing side of the hook ring 4 is set as an inclined surface, when sleeving, the female pipe 2 can enter along the inclined surface. And after the female pipe 2 is connected, the vertical flat surface on the hook ring 4 will contact the inner flat surface of the hook groove 23, and the convex ring 6 will also fit with the limiting groove 5. With the cooperation of the two sets of structures, the female pipe 2 cannot be detached from the male head 11 to the right, thus realizing the stable connection between the pipes. And before docking, an elastic washer 32 can be sleeved on the limiting ring 3. After the female pipe 2 is sleeved onto the male head 11, the limiting ring 3 will fit with the annular groove Ⅰ 22, thereby forming an additional sealing layer at the connection, improving the sealing performance of the pipe connection.

[0023] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pipe tapered docking head, characterized in that, It includes a male pipe (1) with a male head (11). A hook ring (4) is fixedly arranged at a position on the side wall of the male head (11) far away from the male pipe (1). The outer side of the hook ring (4) is set as an inclined surface, and the side facing the male pipe (1) is set as a vertical flat surface. It also includes a female pipe (2) that is docked and matched with the male head (11). A hook groove (23) is formed at a position on the inner side wall of the female pipe (2) corresponding to the hook ring (4). The hook groove (23) is adapted to the hook ring (4) and is provided with an inner inclined surface and an inner flat surface. When the female pipe (2) is sleeved on the male head (11), the flat surface of the hook ring (4) contacts the inner flat surface of the hook groove (23), and the inner inclined surface contacts the inclined surface.

2. The tapered pipe docking head according to claim 1, characterized in that, It also includes a limit ring (3) arranged on the side wall of the male head (11). A limit groove (5) is formed between the limit ring (3) and the end of the male pipe (1).

3. The pipe conical docking head according to claim 2, characterized in that, A docking groove (21) is formed at a position in the female pipe (2) corresponding to the limit ring (3), and a convex ring (6) adapted to the limit groove (5) is arranged at the end of the female pipe (2).

4. The tapered pipe joint according to claim 3, characterized in that, A ring groove II (31) is formed on the limit ring (3), and a ring groove I (22) is formed at the corresponding position on the female pipe (2).

5. A pipe tapered docking head according to claim 4, characterized in that, It also includes an elastic washer (32) that is sleeved in the ring groove II (31) on the limit ring (3) and can fit with the ring groove I (22) when the female pipe (2) is docked with the male head (11).

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