A quick twist self-locking plug structure applied to a plastic mesh pipe

Abstract

The utility model discloses a kind of quick twist type self-locking plug structures applied to plastic net pipe, belong to pipeline accessory technical field, including quick twist plug and the quick twist nut rotatably sleeved on its outside, the outer wall of quick twist plug is integrally provided with thread guide groove and first self-locking tooth slot, the inner wall of quick twist nut is integrally provided with thread ring strip and second self-locking tooth correspondingly, when rotating quick twist nut, thread ring strip and the thread cooperation of thread guide groove will rotating motion be converted into powerful axial compression force;Meanwhile, the one-way engagement of second self-locking tooth and first self-locking tooth slot is formed anti-loose self-locking effect, the synergistic effect of two structures, constitute double locking mechanism, preferably, still be equipped with reinforcing rib on quick twist nut and quick twist plug for hand operation, and be equipped with lug on quick twist nut.The utility model realizes the beneficial effects of connection fastening firm, self-locking, installation quick and easy, labor-saving and function practical by the above structure.

Description

Technical Field

[0001] This utility model relates to the field of pipe fittings technology, and in particular to a quick-tightening self-locking plug structure for use in plastic mesh pipes. Background Technology

[0002] Plastic mesh pipes are widely used in agricultural irrigation, aquaculture, and liquid filtration due to their lightweight and flexibility. In these applications, it is often necessary to seal the ports of the plastic mesh pipes to prevent internal fluid leakage or the entry of external impurities.

[0003] Currently, a common method for sealing plastic mesh pipes is to use simple interference-fit plugs. These plugs achieve their fixation through their own elastic deformation or the expansion of the pipe port. However, this method, which relies solely on friction for fixation, has poor connection reliability. When there are pressure fluctuations within the pipe or when subjected to external vibrations or pulling, the plugs are prone to loosening or even falling off, leading to seal failure.

[0004] To improve connection reliability, the industry has developed some threaded plug structures. While these structures significantly enhance the connection's strength through threaded tightening, their installation process is often cumbersome, requiring multiple rotations of the plug or fastener to achieve a secure fit, resulting in low installation efficiency. More importantly, conventional threaded connections are also at risk of spontaneous loosening under continuous mechanical vibration or periodic temperature changes, lacking an effective anti-loosening and self-locking mechanism. In the long run, their safety and stability still need improvement.

[0005] Therefore, this utility model proposes a quick-tightening self-locking plug structure for use in plastic mesh pipes to overcome the shortcomings of the prior art. Utility Model Content

[0006] To overcome the above shortcomings, this utility model provides a quick-tightening self-locking plug structure for plastic mesh pipes, aiming to improve the problems of cumbersome connection process, insufficient reliability, and easy loosening under vibration environment of the quick-tightening self-locking plug structure for plastic mesh pipes. This utility model aims to provide a quick-tightening self-locking plug structure for plastic mesh pipes with improved structure that can effectively solve the above problems.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a quick-tightening self-locking plug structure for use in plastic mesh pipes, comprising: a quick-tightening plug, and a quick-tightening nut rotatably sleeved on the outside of the quick-tightening plug.

[0008] The quick-tightening plug has an integrated threaded guide groove and a first self-locking tooth groove on its outer wall; and the quick-tightening nut has a corresponding integrated threaded ring and a second self-locking tooth on its inner wall.

[0009] The threaded ring engages with the threaded guide groove, and the second self-locking tooth meshes with the first self-locking tooth groove. Through the synergistic effect of these two structures, when the quick-tightening nut rotates relative to the quick-tightening plug, it can generate an axial tightening force and achieve unidirectional self-locking and anti-loosening, thus forming a double-locking mechanical linkage relationship.

[0010] Preferably, the cross-sectional profile of the second self-locking tooth includes a locking surface on the side opposite to the locking direction of the quick-tightening nut and a guide slope on the side facing the locking direction of the quick-tightening nut, and the first self-locking tooth groove has a cross-sectional profile that matches the second self-locking tooth, thereby forming a ratchet locking structure.

[0011] Preferably, the threaded ring is a structure that is discontinuously arranged circumferentially along the inner wall of the quick-tightening nut.

[0012] Preferably, the outer wall of the quick-tightening nut is provided with a first reinforcing rib, which is a strip-shaped protrusion extending along the axial direction of the quick-tightening nut, to enhance structural strength and facilitate manual operation.

[0013] Preferably, the quick-tight plug has a second reinforcing rib on its outer end surface, the second reinforcing rib being a strip-shaped protrusion that surrounds the quick-tight plug circumferentially.

[0014] Preferably, the quick-tightening nut is further provided with a hanging lug on its outer wall, which extends radially from the outer wall of the quick-tightening nut to facilitate the suspension and fixation of the pipeline system.

[0015] More preferably, the number of the lugs is at least two, and they are symmetrically distributed along the circumference of the quick-tightening nut.

[0016] This utility model has the following beneficial effects: 1. In this utility model, by setting a threaded connection structure and a toothed self-locking structure that cooperate with each other between the quick-tightening plug and the quick-tightening nut, the problems of poor connection reliability and easy loosening under vibration environment of the existing plug structure are solved, and the technical effects of strong connection, good anti-loosening self-locking effect, and high safety and stability are achieved.

[0017] 2. This utility model solves the problem of inconvenient manual operation and the need for tools when installing and disassembling existing plugs by setting a first reinforcing rib and a second reinforcing rib on the quick-tightening nut and quick-tightening plug respectively, and achieves the technical effect of making it convenient for users to quickly tighten or loosen by hand and improving the efficiency of installation and maintenance. Attached Figure Description

[0018] Figure 1This is a three-dimensional structural diagram of a quick-tightening self-locking plug structure for use in plastic mesh tubes, as proposed in this utility model. Figure 2 This is a top view of the quick-tightening plug structure proposed in this utility model for use in plastic mesh tubes. Figure 3 This is a schematic diagram of the quick-tightening nut portion of a quick-tightening self-locking plug structure for use in plastic mesh pipes, as proposed in this utility model. Figure 4 This is a schematic diagram of the hanging part of a quick-tightening self-locking plug structure for use in plastic mesh tubes, as proposed in this utility model.

[0019] Legend: 1. Quick-release plug; 2. Quick-release nut; 201. First self-locking tooth groove; 202. Second self-locking tooth; 3. Threaded ring; 301. Threaded guide groove; 4. First reinforcing rib; 5. Lug; 6. Second reinforcing rib. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 4 This utility model provides a quick-tightening self-locking plug structure for use in plastic mesh tubes, which aims to solve the problems of cumbersome connection process, insufficient reliability and easy loosening of plug structures in the prior art.

[0022] like Figure 1As shown, the quick-tightening self-locking plug structure applied to plastic mesh pipes includes a quick-tightening plug 1 and a quick-tightening nut 2 rotatably fitted outside the quick-tightening plug 1. To achieve quick tightening and self-locking, the outer wall of the quick-tightening plug 1 is integrated with a threaded guide groove 301 for fastening and a first self-locking tooth groove 201 for self-locking. Correspondingly, the inner wall of the quick-tightening nut 2 is integrated with a threaded ring 3 that mates with the threaded guide groove 301 and a second self-locking tooth 202 that mates with the first self-locking tooth groove 201. When the quick-tightening nut 2 rotates relative to the quick-tightening plug 1, the threaded ring 3 on the inner wall of the quick-tightening nut 2 and the threaded guide groove 301 on the outer wall of the quick-tightening plug 1... 1. A threaded connection occurs, which converts the rotational motion of the quick-tightening nut 2 into axial displacement, thereby generating an axial clamping force on the plastic mesh tube to be installed. During the same process, the second self-locking tooth 202 on the inner wall of the quick-tightening nut 2 meshes with the first self-locking tooth groove 201 on the outer wall of the quick-tightening plug 1. This meshing structure restricts the quick-tightening nut 2 from rotating in a preset locking direction, forming a self-locking effect to prevent loosening. Through the combination of this threaded connection structure and the tooth groove meshing structure, this utility model establishes a double-locking mechanical linkage relationship between the quick-tightening plug 1 and the quick-tightening nut 2, ensuring the firmness and reliability of the connection.

[0023] The second self-locking tooth 202 is disposed on the inner wall of the quick-tightening nut 2, and the first self-locking tooth groove 201 is disposed on the outer wall of the quick-tightening plug 1. In order to form a reliable one-way locking effect, the cross-sectional profile of the second self-locking tooth 202 includes a locking surface on the side opposite to the locking direction of the quick-tightening nut 2 and a guide slope on the side facing the locking direction of the quick-tightening nut 2. The first self-locking tooth groove 201 has a groove structure that matches the cross-sectional profile of the second self-locking tooth 202. When the quick-tightening nut 2 rotates in the locking direction, the guide slope of the second self-locking tooth 202 can smoothly slide along the corresponding slope of the first self-locking tooth groove 201 to achieve step-by-step engagement. When the quick-tightening nut 2 has a tendency to loosen in the reverse direction, the locking surface of the second self-locking tooth 202 will abut against the corresponding locking surface of the first self-locking tooth groove 201 at an almost perpendicular angle, thereby effectively preventing the quick-tightening nut 2 from rotating in the reverse direction. Thus, a stable one-way ratchet locking mechanism is formed in the structure.

[0024] Furthermore, in order to achieve a strong clamping and fixing, the outer wall of the quick-tightening plug 1 is provided with a threaded guide groove 301, and the inner wall of the quick-tightening nut 2 is provided with a threaded ring 3 that is threadedly connected to the threaded guide groove 301. In a preferred embodiment, the threaded ring 3 is a structure that is discontinuously arranged along the circumference of the inner wall of the quick-tightening nut 2. This discontinuous thread structure facilitates the injection molding of plastic material and allows the quick-tightening nut 2 to be quickly aligned with and screwed into the threaded guide groove 301 in the initial stage of installation. Through the stable engagement of the threaded ring 3 and the threaded guide groove 301, the rotational torque applied by the user can be efficiently converted into a strong axial thrust, ensuring the fastening effect on the plastic mesh tube.

[0025] As a preferred embodiment, in order to provide a better point of force and enhance the structural strength of the component when tightening manually, the quick-tight nut 2 is provided with a first reinforcing rib 4 on its outer wall. In a specific embodiment, the first reinforcing rib 4 is a strip-shaped protrusion extending along the axial direction of the quick-tight nut 2. This structure makes it convenient for the user to grasp and apply force when rotating the quick-tight nut 2.

[0026] As another preferred embodiment, in order to enhance the structural strength of the quick-tight plug 1 and assist in the installation operation, a second reinforcing rib 6 is provided on the outer surface of the end of the quick-tight plug 1. In a specific embodiment, the second reinforcing rib 6 is a strip-shaped protrusion that surrounds the quick-tight plug 1 in the circumference. This structure provides a certain assistance when the quick-tight plug 1 is initially installed with the pipeline.

[0027] As a further preferred embodiment, in order to improve the ease of use of the plug structure, especially in situations where the pipeline system needs to be suspended and fixed, the quick-tightening nut 2 is also provided with a hanging lug 5 on its outer wall. The hanging lug 5 extends radially from the outer wall of the quick-tightening nut 2, providing a structural basis for tying ropes or using hooks. In a specific embodiment, at least two hanging lugs 5 are integrally provided on the outer wall of the quick-tightening nut 2, which are symmetrically distributed along its circumference. This symmetrical layout helps to maintain balance and stability when suspended.

[0028] Working principle: During installation, first insert the quick-tight plug 1 into the port of the plastic mesh tube, then put the quick-tight nut 2 on the outside of the quick-tight plug 1 and rotate it. In the initial stage of rotation, the second self-locking tooth 202 on the inner wall of the quick-tight nut 2 will engage with the first self-locking tooth groove 201 on the outer wall of the quick-tight plug 1, which plays a role in initial positioning and preventing reverse loosening. During this process, the user can use the first reinforcing rib 4 on the outer wall of the quick-tight nut 2 and the second reinforcing rib 6 at the end of the quick-tight plug 1 to apply auxiliary force.

[0029] As the quick-tight nut 2 continues to rotate, the threaded ring 3 on the inner wall of the quick-tight nut 2 will be screwed into the threaded guide groove 301 on the outer wall of the quick-tight plug 1. Through this threaded connection structure, the quick-tight nut 2 will move axially towards the root of the quick-tight plug 1 while rotating, thereby firmly pressing the end of the plastic mesh tube onto the quick-tight plug 1 to achieve fastening and sealing. After installation, if it is necessary to suspend the pipe, the hanging lug 5 on the outer wall of the quick-tight nut 2 can be used for operation.

Claims

1. A quick-locking self-locking plug structure for use in plastic mesh pipes, comprising a quick-locking plug (1); and A quick-tightening nut (2), which is rotatably fitted onto the outside of the quick-tightening plug (1), is characterized in that... The quick-tight plug (1) has a threaded guide groove (301) and a first self-locking toothed groove (201) integrated on its outer wall. The inner wall of the quick-tightening nut (2) is correspondingly provided with a threaded ring (3) and a second self-locking tooth (202). The threaded ring (3) is threadedly engaged with the threaded guide groove (301); Furthermore, the second self-locking tooth (202) engages with the first self-locking tooth groove (201) to restrict the quick-tightening nut (2) from rotating in the opposite direction after it has rotated in a preset locking direction.

2. The quick-locking self-locking plug structure for plastic mesh tubes according to claim 1, characterized in that, The cross-sectional profile of the second self-locking tooth (202) includes a locking surface on the side opposite to the locking direction of the quick-tight nut (2) and a guide slope on the side facing the locking direction of the quick-tight nut (2). The first self-locking tooth groove (201) has a cross-sectional profile that matches the second self-locking tooth (202).

3. The quick-locking self-locking plug structure for plastic mesh tubes according to claim 1, characterized in that, The threaded ring (3) is a structure that is discontinuously arranged along the inner wall of the quick-tightening nut (2).

4. The quick-locking self-locking plug structure for plastic mesh tubes according to claim 1, characterized in that, The quick-tight nut (2) has a first reinforcing rib (4) on its outer wall.

5. The quick-locking self-locking plug structure for use in plastic mesh tubes according to claim 4, characterized in that, The first reinforcing rib (4) is a strip-shaped protrusion extending axially along the quick-tight nut (2).

6. The quick-locking self-locking plug structure for use in plastic mesh tubes according to claim 1, characterized in that, The quick-tight plug (1) has a second reinforcing rib (6) on the outer surface of its end.

7. A quick-locking self-locking plug structure for use in plastic mesh tubes according to claim 6, characterized in that, The second reinforcing rib (6) is a strip-shaped protrusion that surrounds the quick-tight plug (1) in the circumference.

8. The quick-locking self-locking plug structure for use in plastic mesh tubes according to claim 1, characterized in that, The quick-tight nut (2) is also provided with a lug (5) on its outer wall.

9. A quick-locking self-locking plug structure for use in plastic mesh tubes according to claim 8, characterized in that, The lug (5) extends radially from the outer wall of the quick-tight nut (2).

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