Water stop needle assembly for water pipe

Abstract

The utility model discloses a water pipe waterstop needle assembly, which relates to the technical field of pipeline maintenance, and comprises a waterstop component, the waterstop component comprises a screw rod, the lower part of the screw rod is sleeved with a hexagon nut column in a threaded manner, three round pads are arranged between the hexagon nut column and a limiting nut, and a rubber sleeve is arranged between every two adjacent round pads; the limiting component comprises a holding rod and a limiting rod which are connected with each other, the limiting rod comprises a supporting rod and a hexagonal head bolt, and the supporting rod is slidably sleeved with a limiting sleeve; and the rotating part comprises a handle, a connecting rod and a column sleeve which are connected in sequence. Through reasonable combination of the water stopping component, the limiting component and the rotating component, modular design of the water stopping needle assembly is achieved, all the components are tightly matched, the stability and reliability of the whole structure are improved, the water stopping needle assembly is more convenient and faster to use, and the requirement for the skill of an operator is lowered.

Description

Technical Field

[0001] This utility model relates to the field of pipeline maintenance technology, specifically to a water pipe stop needle assembly. Background Technology

[0002] In various fields such as building construction, municipal engineering, and home repair, the maintenance and repair of piping systems is a common and important task. Among these, the issue of sealing water pipes is particularly prominent, especially in cases of pipe rupture, leaky joints, or aging leaks. During repairs, if the repair site is far from the valve after it has been closed, and the pipes are often at varying elevations, it can take a considerable amount of time for the remaining water to drain completely, sometimes not even in a short period. Furthermore, some valves may not close tightly due to aging and require pressurized repairs, all of which severely hinder the heat fusion process. Therefore, it is usually necessary to use a sealing needle to plug the leak and facilitate heat fusion. After the repair is completed, the sealing needle is removed.

[0003] Currently, when using traditional water-stop needles, the needle tip is first inserted into the water pipe, then a wrench is connected to the hexagonal nut on the needle tip. The needle tip is tilted, and the friction between the tip and the inner wall of the water pipe prevents the entire needle tip from rotating when the wrench rotates the hexagonal nut. However, because the inner wall of the water pipe is smooth, rotating the hexagonal nut easily rotates the entire needle tip, preventing the rubber sleeve from being effectively squeezed. Therefore, traditional water-stop needles require operators to have certain skills and experience, making operation extremely inconvenient and increasing the difficulty of operation. Utility Model Content

[0004] The purpose of this invention is to provide a water pipe stop needle assembly to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a water pipe sealing needle assembly, comprising:

[0006] A water-stopping component, comprising a screw rod, with a limit nut threaded onto the upper part of the screw rod and a hexagonal nut post threaded onto the lower part of the screw rod. Three round washers are provided between the hexagonal nut post and the limit nut, and a rubber sleeve is provided between two adjacent round washers. A hexagonal nut is fixed at the bottom end of the screw rod.

[0007] A limiting component, comprising a gripping rod and a limiting rod connected together, the limiting rod comprising a support rod and a hexagonal head bolt, the threaded portion of the hexagonal head bolt being threadedly nested within a hexagonal nut, a limiting sleeve being slidably sleeved on the support rod, the inner cavity of the limiting sleeve being matched with the hexagonal head of the hexagonal head bolt and the hexagonal nut;

[0008] A rotating component, comprising a handle, a connecting rod, and a sleeve connected in sequence, wherein the sleeve is fitted onto a hexagonal nut post.

[0009] Furthermore, both the rubber sleeve and the round washer are slidably fitted onto the screw;

[0010] The upper part of the screw has an annular groove, and an open retaining ring is fitted on the annular groove. The open retaining ring is located above the limiting nut and serves to prevent the limiting nut from loosening.

[0011] Furthermore, the cross-sectional dimensions of the hexagonal nut post are larger than those of the hexagonal nut;

[0012] The sleeve has an internal hexagonal through groove that runs through both ends. The internal hexagonal through groove matches the hexagonal nut post, ensuring a tight fit between the rotating part and the water-stopping part, and further improving the stability and operational accuracy of the water-stopping part.

[0013] Furthermore, the handle is perpendicular to the connecting rod. This design makes it easier and less strenuous for the operator to turn the handle, and makes it easier to rotate the hexagonal nut, thereby squeezing the rubber sleeve to achieve the purpose of water stoppage.

[0014] Furthermore, a push-pull tube is fixed to the side of the limiting sleeve near the handle, and the push-pull tube is slidably sleeved on the support rod, so that the limiting sleeve can slide flexibly on the support rod, making it convenient for the operator to adjust the position of the limiting sleeve as needed. An internal hexagonal groove is provided on the side of the limiting sleeve away from the push-pull tube. The internal hexagonal groove matches the hexagonal head of the hexagonal head bolt and the hexagonal nut, which enhances the positioning function of the limiting sleeve and ensures a stable connection between the limiting component and the water-stopping component.

[0015] Furthermore, multiple protruding rings are fixed on the outer side of the end of the push-pull tube away from the limiting sleeve, which increases the friction between the hand and the push-pull tube and prevents slippage when moving the push-pull tube. The push-pull tube and the limiting sleeve are integrally formed, which improves the stability of the structure and the processing efficiency.

[0016] Furthermore, the screw and the hexagonal nut are integrally machined, which improves the connection strength between the screw and the hexagonal nut and facilitates machining.

[0017] Furthermore, the support rod and the hexagonal head bolt are integrally machined, which improves the connection strength between the support rod and the hexagonal head bolt, and at the same time facilitates the machining process.

[0018] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0019] 1. Through the reasonable combination of water-stopping components, limiting components, and rotating components, the modular design of the water-stopping needle assembly is realized. The components fit together closely, which improves the stability and reliability of the overall structure, making the water-stopping needle assembly more convenient to use and reducing the skill requirements of the operator.

[0020] 2. The limiting component can securely fix the screw on the water-stop component, and the rotating component can easily drive the hexagonal nut on the water-stop component to rotate, so that the hexagonal nut and the screw rotate relative to each other, thereby squeezing the rubber sleeve to achieve water stop. The operation process is simple and quick, improving work efficiency.

[0021] 3. The open retaining ring, limit nut, hexagonal nut post, round washer and rubber sleeve on the water-stop component are all fitted onto the screw rod, which is convenient for disassembly, maintenance and replacement. The rubber sleeve can be adjusted according to different water pipe sizes and shapes, which enhances the adaptability of the water-stop needle assembly.

[0022] 4. The depth of the water-stop component inserted into the water pipe can be adjusted by the connecting rod on the limiting component and the rotating component. The hexagonal head bolt on the limiting component is threadedly connected to the hexagonal nut on the water-stop component. The limiting sleeve on the limiting component is fitted onto the hexagonal head of the hexagonal head bolt and the hexagonal nut, which can reliably and stably limit the screw on the water-stop component, preventing the screw from rotating when the rotating component drives the hexagonal nut to rotate. At the same time, it is convenient to insert the water-stop component into the water pipe at the beginning and to remove the water-stop component from the water pipe later, making it quick and convenient to use. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the water-stopping component structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the screw structure of this utility model;

[0027] Figure 4 This is a schematic diagram of the limiting component structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the rotating component structure of this utility model;

[0029] Figure 6This is a schematic diagram showing the connection between the grip bar and the limiting bar of this utility model.

[0030] Explanation of reference numerals in the attached figures:

[0031] 10. Water-stopping components; 11. Screw; 111. Annular groove; 12. Limiting nut; 13. Hexagonal nut post; 14. Round washer; 15. Rubber sleeve; 16. Hexagonal nut; 17. Open retaining ring;

[0032] 20. Limiting component; 21. Handle bar; 22. Support bar; 23. Hex head bolt; 24. Limiting sleeve; 241. Socket hexagonal groove; 25. Push-pull tube; 26. Limiting rod;

[0033] 30. Rotating component; 31. Handle; 32. Connecting rod; 33. Column sleeve; 331. Internal hexagonal slot. Detailed Implementation

[0034] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0035] This utility model provides, for example Figures 1 to 6 The water pipe sealing needle assembly shown includes:

[0036] The water-stopping component 10 includes a screw 11, with a limit nut 12 threaded onto the upper part of the screw 11 and a hexagonal nut post 13 threaded onto the lower part of the screw 11. Three round washers 14 are provided between the hexagonal nut post 13 and the limit nut 12, and a rubber sleeve 15 is provided between two adjacent round washers 14. A hexagonal nut 16 is fixed at the bottom end of the screw 11.

[0037] The limiting component 20 includes a gripping rod 21 and a limiting rod 26 connected to each other. The limiting rod 26 includes a support rod 22 and a hexagonal head bolt 23. The threaded portion of the hexagonal head bolt 23 is nested inside the hexagonal nut 16. A limiting sleeve 24 is slidably sleeved on the support rod 22. The inner cavity of the limiting sleeve 24 matches the hexagonal head of the hexagonal head bolt 23 and the hexagonal nut 16.

[0038] The rotating component 30 includes a handle 31, a connecting rod 32, and a sleeve 33 connected in sequence, with the sleeve 33 fitted onto the hexagonal nut post 13.

[0039] Both the rubber sleeve 15 and the round washer 14 are slidably fitted onto the screw 11;

[0040] The upper part of the screw 11 has an annular groove 111, and an open retaining ring 17 is sleeved on the annular groove 111. The open retaining ring 17 is located above the limiting nut 12 and plays the role of preventing the limiting nut 12 from loosening.

[0041] The cross-sectional dimensions of the hexagonal nut stud 13 are larger than those of the hexagonal nut 16;

[0042] The sleeve 33 has an internal hexagonal groove 331 that runs through both ends of the sleeve 33. The internal hexagonal groove 331 matches the hexagonal nut post 13, ensuring a tight fit between the rotating component 30 and the water-stopping component 10, and further improving the stability and operating accuracy of the water-stopping component 10.

[0043] The handle 31 is set perpendicular to the connecting rod 32. This design makes it easier and less strenuous for the operator to turn the handle 31, and makes it easier to rotate the hexagonal nut 13, thereby squeezing the rubber sleeve 15 to achieve the purpose of water stop.

[0044] A push-pull tube 25 is fixed to the side of the limiting sleeve 24 near the handle 21. The push-pull tube 25 is slidably sleeved on the support rod 22, so that the limiting sleeve 24 can slide flexibly on the support rod 22. This allows the operator to adjust the position of the limiting sleeve 24 as needed. An internal hexagonal groove 241 is provided on the side of the limiting sleeve 24 away from the push-pull tube 25. The internal hexagonal groove 241 matches the hexagonal head of the hexagonal head bolt 23 and the hexagonal nut 16, which enhances the positioning function of the limiting sleeve 24 and ensures a stable connection between the limiting component 20 and the water-stopping component 10.

[0045] When using this water-stop needle assembly, first, attach the sleeve 33 on the rotating component 30 to the hexagonal nut 13 on the water-stop component 10. Then, thread the hexagonal head bolt 23 of the limiting component 20 onto the hexagonal nut 16 of the water-stop component 10. Next, push the push-pull tube 25 to move the limiting sleeve 24 onto the hexagonal head of the hexagonal head bolt 23 and the hexagonal nut 16. Then, insert the water-stop component 10 into the water pipe. Hold the handle 21 on the limiting component 20 with one hand and rotate the handle 31 on the rotating component 30 with the other hand, so that the handle 31 rotates around the limiting component 20, thereby causing the rotating component 30 to rotate around the limiting component 20. The rotating sleeve 33 drives the hexagonal nut 13 to rotate, causing the hexagonal nut 13 to press against the rubber sleeve 15 on the water-stopping component 10 to achieve water stop. Then, the push-pull tube 25 is pulled, causing the limiting sleeve 24 to disengage from the hexagonal nut 16 on the water-stopping component 10. Then, the limiting component 20 is rotated in the opposite direction, causing the hexagonal head bolt 23 on the limiting component 20 to separate from the hexagonal nut 16 on the water-stopping component 10, thereby achieving the separation of the limiting component 20 from the water-stopping component 10. Then, the rotating component 30 is pulled out, causing the sleeve 33 to disengage from the hexagonal nut 13, achieving the separation of the rotating component 30 from the water-stopping component 10. Finally, the pipe opening is heat-fused for repair.

[0046] When the water-stop component 10 needs to be removed later, first insert the column sleeve 33 on the rotating component 30 into the water pipe and fit it onto the hexagonal nut column 13 on the water-stop component 10. Then, thread the hexagonal head bolt 23 of the limiting component 20 onto the hexagonal nut 16 of the water-stop component 10. Then push the push-pull tube 25 to drive the limiting sleeve 24 to fit onto the hexagonal head of the hexagonal head bolt 23 and the hexagonal nut 16. Rotate the entire rotating component 30 in the opposite direction to drive the hexagonal nut column 13 on the water-stop component 10 to rotate in the opposite direction, releasing the pressure on the rubber sleeve 15. Then pull the limiting component 20 outward to remove the water-stop component 10 from the water pipe.

[0047] The operation of this water-stop needle assembly is simple and quick, reducing the skill requirements for operators and improving work efficiency. The open retaining ring 17, limit nut 12, hexagonal nut post 13, round washer 14 and rubber sleeve 15 on the water-stop component 10 are all fitted onto the screw 11, which is convenient for disassembly, maintenance and replacement. The rubber sleeve 15 can be adjusted according to different water pipe sizes and shapes, which enhances the adaptability of the water-stop needle assembly.

[0048] The depth of the water-stop component 10 inserted into the water pipe can be adjusted by the connecting rod 32 on the limiting component 20 and the rotating component 30. The hexagonal head bolt 23 on the limiting component 20 is threadedly connected to the hexagonal nut 16 on the water-stop component 10. The limiting sleeve 24 is fitted onto the hexagonal head of the hexagonal head bolt 23 and the hexagonal nut 16, which can reliably and stably limit the screw 11 on the water-stop component 10, preventing the screw 11 from rotating when the rotating component 30 drives the hexagonal nut 13 to rotate. At the same time, it is convenient to insert the water-stop component 10 into the water pipe at the beginning and to remove the water-stop component 10 from the water pipe after maintenance. It is quick and convenient to use.

[0049] like Figure 3 and Figure 4 As shown, multiple protruding rings are fixed on the outer side of the end of the push-pull tube 25 away from the limiting sleeve 24, which increases the friction between the hand and the push-pull tube 25 and prevents slippage when moving the push-pull tube 25. The push-pull tube 25 and the limiting sleeve 24 are integrally machined, which improves the stability of the structure and the processing efficiency.

[0050] The screw 11 and the hexagonal nut 16 are integrally machined, which improves the connection strength between the screw 11 and the hexagonal nut 16 and facilitates the machining process. Similarly, the support rod 22 and the hexagonal head bolt 23 are integrally machined, which improves the connection strength between the support rod 22 and the hexagonal head bolt 23 and facilitates the machining process.

[0051] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A water pipe stopper needle assembly, characterized by, include: A water-stopping component (10) includes a screw (11), the upper part of which is threaded with a limiting nut (12), the lower part of which is threaded with a hexagonal nut post (13), three round washers (14) are provided between the hexagonal nut post (13) and the limiting nut (12), a rubber sleeve (15) is provided between two adjacent round washers (14), and a hexagonal nut (16) is fixed at the bottom end of the screw (11). The limiting component (20) includes a gripping rod (21) and a limiting rod (26) connected to each other. The limiting rod (26) includes a support rod (22) and a hexagonal head bolt (23). The threaded portion of the hexagonal head bolt (23) is threadedly nested in a hexagonal nut (16). A limiting sleeve (24) is slidably sleeved on the support rod (22). The inner cavity of the limiting sleeve (24) matches the hexagonal head of the hexagonal head bolt (23) and the hexagonal nut (16). The rotating component (30) includes a handle (31), a connecting rod (32) and a sleeve (33) connected in sequence, and the sleeve (33) is fitted onto a hexagonal nut post (13).

2. A water pipe stopper needle assembly according to claim 1, wherein: The rubber sleeve (15) and the round washer (14) are both slidably sleeved on the screw (11); The upper part of the screw (11) is provided with an annular groove (111), and an open retaining ring (17) is sleeved on the annular groove (111). The open retaining ring (17) is located above the limiting nut (12).

3. A water pipe stopper needle assembly according to claim 1, wherein: The cross-sectional dimensions of the hexagonal nut post (13) are larger than those of the hexagonal nut (16); The sleeve (33) has an internal hexagonal through groove (331) that runs through both ends of the sleeve (33), and the internal hexagonal through groove (331) matches the hexagonal nut post (13).

4. A water pipe stopper needle assembly according to claim 1, wherein: The handle (31) is perpendicular to the connecting rod (32).

5. A water pipe stopper needle assembly according to claim 1, wherein: The limiting sleeve (24) is fixed with a push-pull tube (25) on the side near the handle (21). The push-pull tube (25) is slidably sleeved on the support rod (22). The limiting sleeve (24) is provided with an internal hexagonal groove (241) on the side away from the push-pull tube (25). The internal hexagonal groove (241) matches the hexagonal head of the hexagonal head bolt (23) and the hexagonal nut (16).

6. A water pipe stopper needle assembly according to claim 5, wherein: Multiple protruding rings are fixed on the outer side of the end of the push-pull tube (25) away from the limiting sleeve (24), and the push-pull tube (25) and the limiting sleeve (24) are integrally formed.

7. A water pipe stopper needle assembly according to claim 1, wherein: The screw (11) and the hexagonal nut (16) are integrally machined.

8. A water pipe stopper needle assembly according to claim 1, wherein: The support rod (22) and the hexagonal head bolt (23) are integrally machined.

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