Split type water stop screw

Abstract

The utility model provides a split type water stop screw, which relates to the technical field of water stop screws and comprises an inner rod, a water stop piece is fixedly mounted on the surface of the inner rod, one end of the inner rod is rotatably connected with a connecting cone, one end of the connecting cone is slidably connected with an outer rod, and a positioning piece is fixedly mounted on the surface of the inner rod. A circular groove is formed in the inner rod, a reinforcing rod is fixedly installed in the circular groove, and a connecting table is fixedly installed at one end of the connecting cone. According to the water stop screw, the strength of the inner rod can be improved through the positioning piece, the circular groove and the reinforcing rod, the inner rod is not prone to deformation or bending, and therefore it is guaranteed that the water stop screw keeps accurate positioning in the working process, and through the connecting table, the groove, the sliding block, the connecting hole and the bolt, the service life of the water stop screw is prolonged. According to the water stop screw, the problem that an outer rod is prone to loosening or falling off when the connecting cone is adjusted through the outer rod can be solved, so that the stability performance of the water stop screw is improved, and the maintenance cost of the water stop screw is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of water-stop screw rods, in particular to a split water-stop screw rod. Background Art

[0002] Publication No. CN218438282U discloses a waterstop screw, comprising a waterstop steel plate, wherein an annular neck is provided at the junction of the waterstop steel plate and the screw, conical nuts are threadedly connected on the screw at positions on both sides of the waterstop steel plate, an annular groove is provided on the conical nut at positions on the outer periphery of the screw, and nuts are threadedly connected on the outer sides of the two conical nuts; in the structure of the nut, a gasket is attached to the inner side of the tubular root, the gasket is sleeved on the screw, the outer side of the tubular root is connected to the middle tube body, an outward arm is provided at the side end at the connection between the tubular root and the middle tube body, a gap is provided between the outward arm and the gasket, a folded edge portion is provided at the end of the outward arm, and a notch portion is provided between the folded edge portion and the middle tube body. Although this patent can conveniently adjust the width of the inner part of the connecting cone, if the outer rod becomes loose during the adjustment, the stability of the waterstop screw will be affected, which will lead to a decrease in the sealing effect of the waterstop screw, and further cause the problem of medium leakage. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a split water-stop screw, comprising an inner rod, a water-stop plate fixedly installed on the surface of the inner rod, one end of the inner rod is rotatably connected to a connecting cone, one end of the connecting cone is slidably connected to an outer rod, a positioning plate fixedly installed on the surface of the inner rod, a circular groove is provided inside the inner rod, a reinforcing rod is fixedly installed inside the circular groove, a connecting platform is fixedly installed on one end of the connecting cone, a groove is provided inside the connecting platform, a sliding block is fixedly installed on the surface of the outer rod, a connecting hole is fixedly installed on the surface of the sliding block, and a bolt is rotatably connected inside the connecting platform.

[0005] Preferably, the inner rod is provided with threads, and the connecting cone is provided with threads inside, which mesh with the threads on the surface of the inner rod. Here, the connecting cone can rotate on the surface of the inner rod, so that the internal spacing can be adjusted.

[0006] Preferably, the number of the positioning pieces is two groups, and they are symmetrically distributed on the surface of the inner rod. Here, the establishment of the two groups of positioning pieces can facilitate the positioning of the inner rod, making it more convenient to install.

[0007] Preferably, the number of the connecting platforms is four groups, and they are distributed in a circumferential shape at one end of the connecting cone, and the slider is slidably connected to the groove. Here, the establishment of four groups of connecting platforms can improve the stability of the outer rod and prevent the outer rod from rotating on the surface of the connecting cone.

[0008] Preferably, the connection platform is provided with threads inside, which mesh with threads on the surface of the bolt, and the bolt is slidably connected to the connection hole. Here, when the bolt is inserted into the connection hole, the outer rod can be positioned to prevent it from falling off.

[0009] Preferably, a placement groove is provided on the surface of the water stop plate, a connecting ring is fixedly installed inside the placement groove, and a sealing ring is fixedly installed on the surface of the connecting ring. Here, the establishment of the groove and the connecting ring can avoid the problem of offset or misalignment of the sealing ring.

[0010] Preferably, the side of the water stop plate is fixedly installed with reinforcement strips, the number of the reinforcement strips is twelve groups, and the reinforcement strips are distributed in a circular shape on the side of the water stop plate. Here, the establishment of the reinforcement strips can improve the structural strength of the water stop plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the positioning piece, circular groove and reinforcing rod are provided to improve the strength of the inner rod, making it less likely to deform or bend, thereby ensuring that the waterstop screw remains accurately positioned during operation. The connecting platform, groove, slider, connecting hole and bolt are provided to avoid the problem of the outer rod being easily loosened or falling off when adjusting the connecting cone through the outer rod, thereby improving the stability of the waterstop screw and reducing the maintenance cost of the waterstop screw.

[0013] 2. In the utility model, by providing the placement groove, connecting ring, sealing ring and reinforcing strip, a barrier can be formed on the surface where the water stop plate contacts the fluid or gas medium to resist the erosion of the medium and improve the sealing performance of the water stop screw. The reinforcing strip can prevent the water stop plate from deforming under high pressure or severe pressure, thereby increasing the service life of the water stop plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of a split water-stop screw is provided for the utility model;

[0015] Figure 2 An exploded diagram of a split water-stop screw is proposed for the utility model;

[0016] Figure 3 The utility model proposes a split water-stop screw Figure 2 A in the enlarged view;

[0017] Figure 4 A top view of a split water-stop screw is provided for the utility model;

[0018] Figure 5 The utility model proposes a split water-stop screw Figure 4 Enlarged view of point B in .

[0019] Legend:

[0020] 1. Inner rod; 2. Water stop plate; 3. Connecting cone; 4. Outer rod; 5. Positioning plate; 6. Circular groove; 7. Reinforcement rod; 8. Connecting platform; 9. Groove; 10. Slider; 11. Connecting hole; 12. Bolt; 13. Placement groove; 14. Connecting ring; 15. Sealing ring; 16. Reinforcement strip. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1

[0024] See also Figure 1-2 The utility model provides a technical solution: a split water-stop screw, including an inner rod 1, the inner rod 1 is provided with a thread, the inner cone 3 is provided with a thread, and is meshed with the thread on the surface of the inner rod 1, the connecting cone 3 can be rotated on the surface of the inner rod 1, so that the internal spacing can be adjusted, a water-stop sheet 2 is fixedly installed on the surface of the inner rod 1, one end of the inner rod 1 is rotatably connected to the connecting cone 3, and one end of the connecting cone 3 is slidably connected to the outer rod 4.

[0025] See also Figure 3-4, a positioning piece 5 is fixedly installed on the surface of the inner rod 1, and the number of the positioning pieces 5 is two groups, and they are symmetrically distributed on the surface of the inner rod 1. The establishment of the two groups of positioning pieces 5 can facilitate the positioning of the inner rod 1, making it more convenient to install. A circular groove 6 is opened inside the inner rod 1, and a reinforcing rod 7 is fixedly installed inside the circular groove 6. A connecting platform 8 is fixedly installed at one end of the connecting cone 3. The number of the connecting platforms 8 is four groups, and they are distributed in a circular shape at one end of the connecting cone 3. The slider 10 is slidably connected with the groove 9. The establishment of four groups of connecting platforms 8 can improve the stability of the outer rod 4 and prevent the outer rod 4 from rotating on the surface of the connecting cone 3. A groove 9 is opened inside the connecting platform 8, and a thread is opened inside the connecting platform 8, and it is meshed with the thread on the surface of the bolt 12. The bolt 12 is slidably connected to the connecting hole 11. When the bolt 12 is inserted into the connecting hole 11, the outer rod 4 can be positioned to prevent it from falling off. A slider 10 is fixedly installed on the surface of the outer rod 4. The connecting hole 11 is fixedly installed on the surface of the slider 10. The bolt 12 is rotatably connected to the inside of the connecting platform 8. The positioning piece 5, circular groove 6 and reinforcing rod 7 are provided to improve the strength of the inner rod 1 so that it is not easy to deform or bend, thereby ensuring that the water-stop screw maintains accurate positioning during operation. The connecting platform 8, groove 9, slider 10, connecting hole 11 and bolt 12 are provided to avoid the problem of the outer rod 4 being easily loosened or falling off when the connecting cone 3 is adjusted by the outer rod 4, thereby improving the stability of the water-stop screw.

[0026] Embodiment 2

[0027] See also Figure 5 A placement groove 13 is provided on the surface of the water stop plate 2, and a connecting ring 14 is fixedly installed inside the placement groove 13. A sealing ring 15 is fixedly installed on the surface of the connecting ring 14. The establishment of the groove 9 and the connecting ring 14 can avoid the problem of offset or misalignment of the sealing ring 15. A reinforcing strip 16 is fixedly installed on the side of the water stop plate 2. The number of the reinforcing strips 16 is twelve groups, and they are distributed in a circular shape on the side of the water stop plate 2. The establishment of the reinforcing strip 16 can improve the structural strength of the water stop plate 2. Through the arrangement of the placement groove 13, the connecting ring 14, the sealing ring 15 and the reinforcing strip 16, a barrier can be formed on the surface of the water stop plate 2 in contact with the fluid or gas medium to resist the erosion of the medium and improve the sealing performance of the water stop screw. The reinforcing strip 16 can prevent the water stop plate 2 from deforming under high pressure or severe pressure, thereby improving the service life of the water stop plate 2.

[0028] Working principle: When installing the waterstop screw, first insert the slider 10 into the slide groove, then rotate the bolt 12 clockwise inside the connecting platform 8 to insert it into the connecting hole 11, then install the inner rod 1 in the designated area, and then position the inner rod 1 through the positioning piece 5, then rotate the outer rod 4 to drive the connecting cone 3 to rotate so that the internal size meets the requirements, the sealing ring 15 on the surface of the waterstop plate 2 can improve the sealing performance of the waterstop plate 2, and the reinforcement strip 16 on the side of the waterstop plate 2 can improve the structural strength of the waterstop plate 2, and then after the pouring is completed, the bolt 12 is rotated counterclockwise inside the connecting platform 8 to make the bolt 12 leave the connecting hole 11, and then the slider 10 slides outward inside the groove 9 so that the outer rod 4 can be disassembled.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A split water-stop screw, comprising an inner rod (1), characterized in that: A water stop plate (2) is fixedly mounted on the surface of the inner rod (1); one end of the inner rod (1) is rotatably connected to a connecting cone (3); one end of the connecting cone (3) is slidably connected to an outer rod (4); a positioning plate (5) is fixedly mounted on the surface of the inner rod (1); a circular groove (6) is provided inside the inner rod (1); a reinforcing rod (7) is fixedly mounted inside the circular groove (6); a connecting platform (8) is fixedly mounted on one end of the connecting cone (3); a groove (9) is provided inside the connecting platform (8); a sliding block (10) is fixedly mounted on the surface of the outer rod (4); a connecting hole (11) is fixedly mounted on the surface of the sliding block (10); a bolt (12) is rotatably connected inside the connecting platform (8).

2. The split water-stop screw according to claim 1 is characterized in that: The inner rod (1) is provided with a thread inside, and the connecting cone (3) is provided with a thread inside, which meshes with the thread on the surface of the inner rod.

3. The split water-stop screw according to claim 1 is characterized in that: The number of the positioning pieces (5) is two groups, and they are symmetrically distributed on the surface of the inner rod (1).

4. The split water-stop screw according to claim 1 is characterized in that: The number of the connecting platforms (8) is four, and they are distributed in a circular shape at one end of the connecting cone (3), and the sliding block (10) is slidably connected to the groove (9).

5. The split water-stop screw according to claim 1 is characterized in that: The connection platform (8) is provided with a thread inside, which meshes with the thread on the surface of the bolt (12), and the bolt (12) is slidably connected to the connection hole (11).

6. The split water-stop screw according to claim 1 is characterized in that: A placement groove (13) is provided on the surface of the water stop plate (2), a connecting ring (14) is fixedly installed inside the placement groove (13), and a sealing ring (15) is fixedly installed on the surface of the connecting ring (14).

7. The split water-stop screw according to claim 6 is characterized in that: Reinforcement strips (16) are fixedly mounted on the side of the water stop plate (2). The number of the reinforcement strips (16) is twelve groups and they are distributed in a circular shape on the side of the water stop plate (2).

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