Self-locking type pipeline connecting device

Abstract

The utility model relates to the technical field of pipeline connection, and discloses a self-locking type pipeline connecting device which comprises a butt joint cylinder, a connecting pipe with internal threads is arranged at the right end of the butt joint cylinder, an annular baffle is arranged in the middle of the circumferential inner wall of the butt joint cylinder, a conveying groove is reserved in the middle of the annular baffle, and an annular mounting groove is reserved in the right portion of the circumferential inner wall of the butt joint cylinder. A fixing ring is mounted in the mounting groove, a fixing cylinder is arranged on the inner side of the fixing ring, and a plurality of clamping plates are arranged on the circumferential outer wall of the fixing cylinder. Compared with the prior art, the butt joint device has the advantages that when water flow in the butt joint cylinder is conveyed from the left end, the water seal moves leftwards to open the conveying groove, the water flow flows to the right end of the butt joint cylinder from the conveying groove and is conveyed out of the butt joint cylinder from the connecting pipe, and when no water flow circulates in the butt joint cylinder, the water seal blocks the conveying groove and automatically locks a channel in the butt joint cylinder. The automatic closing is realized; the pipeline can be quickly connected with the butt joint cylinder through the clamping ring, the butt joint position can be effectively sealed through the sealing ring, convenience is high, and the sealing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection, in particular to a self-locking pipeline connection device. Background Art

[0002] There are a large number of pipeline systems in industrial production. Self-locking pipe connection devices can help workers quickly and conveniently complete the connection of pipelines, improve work efficiency and the firmness of the connection. Pipeline connection work in the petrochemical industry requires high-strength sealing and stability. Self-locking pipe connection devices can meet these requirements and improve construction efficiency.

[0003] Existing connection devices for connecting water pipes generally connect two pipes together through a connecting tube, and water flows through the connecting tube for output. When there is no water flow, the two water pipes are still connected. When applied to a specific implementation environment, the pipes are connected in series, which can easily lead to pipe contamination and backflow, thereby reducing the durability of the pipes. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The technical problem to be solved by the utility model is that no automatic closing structure is provided, resulting in that when there is no water flow transmission, the two pipes are still connected in series, thereby reducing the durability of the pipes.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0008] A self-locking pipe connection device comprises a butt joint sleeve, a connecting pipe with an internal thread at the right end of the butt joint sleeve, a circular baffle, a sealing ring, a water seal, a connecting rod, a telescopic spring, a fixing sleeve, a clamping plate, a fixing ring and a clamping ring;

[0009] A circular baffle is provided in the middle of the circumferential inner wall of the docking cylinder, a conveying groove is reserved in the middle of the circular baffle, an annular installation groove is reserved on the right part of the circumferential inner wall of the docking cylinder, a fixing ring is installed in the installation groove, a fixing cylinder is provided on the inner side of the fixing ring, a plurality of clamping plates are provided on the circumferential outer wall of the fixing cylinder, a clamping groove for engaging with the fixing ring is reserved on the outer wall of the clamping plate, a connecting rod is provided in the fixing cylinder, the left end of the connecting rod passes through the conveying groove and is located on the left side of the circular baffle, a water seal is provided on the left part of the connecting rod, the circumferential outer wall of the water seal is sealed with the conveying groove, and a telescopic spring sleeved on the outside of the connecting rod is fixedly connected between the right side surface of the water seal and the right wall of the fixing cylinder;

[0010] A clamping ring is arranged on the circumferential inner wall of the left part of the docking sleeve, and a sealing ring fixed on the docking sleeve is arranged on the right side of the clamping ring.

[0011] As an improvement, a sealing cone is provided on the left part of the water seal, and the sealing cone gradually tilts downward from right to left and closes, and is sealed against the conveying trough.

[0012] As an improvement, the outer side surface of the telescopic spring is slidably connected to the circumferential inner wall of the fixing tube, and the inner side surface is slidably connected to the circumferential outer wall of the connecting rod.

[0013] As an improvement, a plurality of evenly distributed sliding beads are embedded in the circumferential inner wall of the left end of the docking sleeve.

[0014] As an improvement, a pair of rotating rings are provided on the circumferential outer wall of the left end of the docking tube, and the circumferential outer walls of the rotating rings are densely covered with friction lines.

[0015] (III) Beneficial effects

[0016] The advantages of the utility model compared with the prior art are:

[0017] 1. When water flows from the left end of the docking tube, the water seal moves to the left to open the delivery slot. Water flows from the delivery slot to the right end of the docking tube and is delivered out of the docking tube from the connecting pipe. When there is no water flowing in the docking tube, the water seal blocks the delivery slot and automatically locks the channel in the docking tube to achieve automatic closure.

[0018] 2. The pipe can be quickly connected to the docking tube through the clamp ring, and the sealing ring can effectively seal the docking position, which is convenient and has a good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the appearance of the utility model.

[0020] Figure 2 It is a schematic diagram of the component composition of the utility model.

[0021] Figure 3 This is a schematic diagram of the partial structure section of the utility model Figure 1 .

[0022] Figure 4 This is a schematic diagram of the partial structure section of the utility model Figure 2 .

[0023] Figure 5 This utility model Figure 3 Schematic diagram of partial structural cross-section.

[0024] Figure 6 This utility model Figure 4 Schematic diagram of partial structural cross-section.

[0025] As shown in the figure: 1. Docking tube; 2. Connecting pipe; 3. Circular baffle; 4. Sealing ring; 5. Water seal; 6. Connecting rod; 7. Telescopic spring; 8. Fixed tube; 9. Clamping plate; 10. Fixed ring; 11. Snap ring; 12. Conveying groove; 13. Mounting groove; 14. Sliding ball; 15. Rotating ring. DETAILED DESCRIPTION

[0026] In the description of the present utility model, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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 therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more. In addition, the term "including" and any variation thereof are intended to cover non-exclusive inclusions.

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] Embodiment 1

[0029] Please see attached Figure 1 , Attachment Figure 2 , Attachment Figure 4 and attached Figure 6 As shown, a self-locking pipe connection device comprises a docking tube 1, the right end of the docking tube 1 is a connecting pipe 2 with an internal thread, a circular baffle 3 is provided in the middle of the circumferential inner wall of the docking tube 1, a conveying groove 12 is reserved in the middle of the circular baffle 3, an annular installation groove 13 is reserved in the right part of the circumferential inner wall of the docking tube 1, a fixing ring 10 is installed in the installation groove 13, a fixing tube 8 is provided inside the fixing ring 10, a plurality of clamping plates 9 are provided on the circumferential outer wall of the fixing tube 8, and a clamping groove for clamping with the fixing ring 10 is reserved on the outer wall of the clamping plate 9. A connecting rod 6 is provided in the fixed cylinder 8, and the left end of the connecting rod 6 passes through the conveying groove 12 and is located on the left side of the circular baffle 3. A water seal 5 is provided on the left part of the connecting rod 6, and a sealing cone is provided on the left part of the water seal 5. The sealing cone gradually tilts downward from right to left and closes, and is sealed and fitted with the conveying groove 12. A telescopic spring 7 sleeved on the outside of the connecting rod 6 is fixedly connected between the right side surface of the water seal 5 and the right wall inside the fixed cylinder 8. The outer side surface of the telescopic spring 7 is fitted and slidably connected to the circumferential inner wall of the fixed cylinder 8, and the inner side surface is fitted and slidably connected to the circumferential outer wall of the connecting rod 6.

[0030] Through the above structure, when water flows from the left end of the docking tube 1, the water seal 5 moves to the left to open the delivery groove 12, and the water flows from the delivery groove 12 to the right end of the docking tube, and is delivered out of the docking tube 1 from the connecting pipe 2. When there is no water flowing in the docking tube 1, the water seal 5 blocks the delivery groove 12, automatically locks the channel in the docking tube 1, and realizes automatic closure.

[0031] Embodiment 2

[0032] Based on the first embodiment, see the attached Figure 3 and attached Figure 5 As shown, a clamping ring 11 is provided on the circumferential inner wall of the left part of the docking tube 1, a sealing ring 4 fixed on the docking tube 1 is provided on the right side of the clamping ring 11, a plurality of evenly distributed sliding beads 14 are embedded on the circumferential inner wall of the left end of the docking tube 1, and a pair of rotating rings 15 are provided on the circumferential outer wall of the left end of the docking tube 1, and the circumferential outer wall of the rotating ring 15 is densely covered with friction patterns.

[0033] Through the above structure, the pipeline can be quickly connected to the docking tube 1 through the clamping ring 11, and the sealing ring 4 can effectively seal the docking position, which is convenient and has a good sealing effect.

[0034] During the specific implementation of the utility model: when the pipelines are docked, the connecting pipe 2 at the left end of the docking tube 1 is threadedly connected to the water outlet pipe, and the right end is clamped and fixed to the water inlet pipe through the clamping ring 11. The sealing ring 4 can effectively seal the docking position, which is convenient and has a good sealing effect. The sliding ball 14 embedded in the circumferential inner wall of the left end of the docking tube 1 allows the water inlet pipe to move more smoothly and be clamped with the docking tube 1. The friction patterns densely distributed on the circumferential outer wall of the rotating ring 15 are convenient for the staff to operate. When water flows from the left end in the docking tube 1, since a telescopic spring 7 sleeved on the outside of the connecting rod 6 is fixedly connected between the right side surface of the water seal 5 and the right wall inside the fixed tube 8, the clamping plate 9 on the circumferential outer wall of the fixed tube 8 is clamped and fixed with the fixing ring 10, so that the position of the fixed tube 8 is fixed, the water seal 5 is impacted by the water flow, and the telescopic spring 7 is shortened to drive the water seal 5 to move to the left, opening the conveying groove 12, and the water flows from the conveying groove 12 to the right end of the docking tube, and is conveyed out of the docking tube 1 from the connecting pipe 2. When no water flows in the docking tube 1, the water seal 5 blocks the conveying groove 12, automatically locks the channel in the docking tube 1, and realizes automatic closure.

[0035] The above describes the utility model and its implementation methods, which are not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and do not deviate from the purpose of the invention of the utility model, they can creatively design a structure and embodiment similar to the technical solution, which should belong to the protection scope of the utility model.

Claims

1. A self-locking pipe connection device, comprising a butt joint (1), the right end of the butt joint (1) is a connecting pipe (2) with an internal thread, characterized in that: It also includes a circular baffle (3), a sealing ring (4), a water seal (5), a connecting rod (6), a telescopic spring (7), a fixing cylinder (8), a clamping plate (9), a fixing ring (10), and a clamping ring (11); A circular baffle (3) is provided in the middle of the circumferential inner wall of the docking tube (1), a conveying groove (12) is reserved in the middle of the circular baffle (3), an annular installation groove (13) is reserved in the right part of the circumferential inner wall of the docking tube (1), a fixing ring (10) is installed in the installation groove (13), a fixing tube (8) is provided on the inner side of the fixing ring (10), a plurality of clamping plates (9) are provided on the circumferential outer wall of the fixing tube (8), a clamping groove for engaging with the fixing ring (10) is reserved on the outer wall of the clamping plate (9), a connecting rod (6) is provided in the fixing tube (8), the left end of the connecting rod (6) passes through the conveying groove (12) and is located on the left side of the circular baffle (3), a water seal (5) is provided on the left part of the connecting rod (6), the circumferential outer wall of the water seal (5) is sealed and fitted with the conveying groove (12), and a telescopic spring (7) sleeved on the outer side of the connecting rod (6) is fixedly connected between the right side surface of the water seal (5) and the inner right wall of the fixing tube (8); A clamping ring (11) is provided on the circumferential inner wall of the left portion of the docking sleeve (1), and a sealing ring (4) fixed on the docking sleeve (1) is provided on the right side of the clamping ring (11).

2. A self-locking pipe connection device according to claim 1, characterized in that: The left part of the water seal (5) is provided with a sealing cone, which gradually tilts downward from right to left and closes, and is sealed and fitted with the conveying trough (12).

3. A self-locking pipe connection device according to claim 1, characterized in that: The outer side surface of the telescopic spring (7) is slidably connected to the circumferential inner wall of the fixing tube (8), and the inner side surface is slidably connected to the circumferential outer wall of the connecting rod (6).

4. A self-locking pipe connection device according to claim 1, characterized in that: A plurality of evenly distributed sliding beads (14) are embedded in the circumferential inner wall of the left end of the docking tube (1).

5. A self-locking pipe connection device according to claim 1, characterized in that: A pair of rotating rings (15) are provided on the circumferential outer wall of the left end of the docking tube (1), and the circumferential outer wall of the rotating ring (15) is densely covered with friction lines.

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