Small-diameter soluble bridge plug

Abstract

The utility model relates to the related technical field of bridge plugs, in particular to a small-diameter soluble bridge plug which comprises a connector, a placing pipe and a threaded groove, the placing pipe is connected to the surface of one side of the connector, the threaded groove is formed in the surface of the outer side of the connecting pipe, and a conical groove is formed in the surface of the inner side of the placing pipe. According to the small-diameter soluble bridge plug, due to the soluble characteristic, the bridge plug can be rapidly dissolved under specific conditions, so that the requirement for disassembly is eliminated, the equipment maintenance and replacement process is greatly simplified, time and labor cost are saved, the inner design structure of the bridge plug is elaborately optimized, the bridge plug can effectively abut against the inner wall of a tunnel, and the service life of the bridge plug is prolonged. According to the bridge plug, the connecting firmness and stability are guaranteed, meanwhile, the position can be accurately controlled in the fixing process, the sealing performance and stability of the bridge plug are improved, the adaptability of the bridge plug in different environments can be improved, and for example, good performance can still be kept in the humid or high-temperature environment.

Description

Technical Field

[0001] The utility model relates to the technical field related to bridge plugs, in particular to a small-diameter soluble bridge plug. Background Art

[0002] A bridge plug is a circuit element used to convert alternating current into direct current. It consists of four diodes arranged in a bridge circuit. Its working principle is based on the conduction properties of diodes. When the AC input signal changes, the diodes in the bridge plug will conduct in different combinations, so that the output voltage presents characteristics similar to direct current. At different stages of the positive and negative half-cycles, different diodes will conduct, so that the current can always flow in the same direction, producing a stable direct current output. A filter capacitor is usually connected to the output end of the bridge plug to further smooth the output voltage and reduce fluctuations. The bridge plug circuit is simple and efficient, and is widely used in various electronic devices and power supplies. It is one of the common methods for converting alternating current to direct current. It has a simple and reliable structure, high conversion efficiency and stability, so it has been widely used in industrial, commercial and personal electronic applications. Therefore, a small diameter soluble bridge plug is particularly needed.

[0003] However, when the existing small-diameter soluble bridge plug is used, it may be unstable after being supported, which may cause the fragmentation cava teeth to collapse. When being pulled, it may become loose, and the final plug may also fall off. Utility Model Content

[0004] The purpose of the utility model is to provide a small-diameter soluble bridge plug to solve the problem raised in the above-mentioned background technology that the existing small-diameter soluble bridge plug may be unstable after being supported during use, causing the fragment cava teeth to collapse, and may become loose when pulled, and the final blockage may also fall off.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small-diameter soluble bridge plug, comprising a connector, a placement tube and a threaded groove, one side surface of the connector is connected to the placement tube, the outer side surface of the connector is provided with a threaded groove, the inner side surface of the placement tube is provided with a tapered groove, a connection ball is placed on the inner side surface of the tapered groove, one side surface of the connector is provided with a connection mechanism, and one side surface of the connector is provided with a restraining mechanism;

[0006] The connecting mechanism includes a connecting column, a bracket, a supporting block, a fragment cava tooth, a fixed block, a slot, a conical block, a placement groove, a connecting block, an installation groove, a spring and a pressing block. The inner surface of the connecting head is connected to the connecting column, the outer surface of the connecting column is installed with a bracket, one side surface of the bracket is fixedly connected to the supporting block, the outer surface of the support block is connected to the fragment cava tooth, one side surface of the connecting column is installed with a fixed block, the inner surface of the fixed block is provided with a slot, one side surface of the connecting head is connected to the conical block, the inner surface of the conical block is provided with a placement groove, the inner surface of the placement groove is slidably connected with the connecting block, the inner surface of the conical block is provided with a mounting groove, the inner surface of the mounting groove is fixedly connected with a spring, and one side surface of the spring is installed with a pressing block.

[0007] Preferably, the connector and the connecting tube are made of soluble materials.

[0008] Preferably, the brackets are provided in two groups and are symmetrically distributed.

[0009] Preferably, the restraining mechanism includes a connecting tube, a soluble rubber ring, a limiting groove, an air hole and a connecting ring; one side surface of the connecting head is connected to the connecting tube, the outer surface of the connecting tube is sleeved with a soluble rubber ring, the outer surface of the soluble rubber ring is provided with a limiting groove, the outer surface of the soluble rubber ring is provided with an air hole, and the inner surface of the limiting groove is connected to the connecting ring.

[0010] Preferably, a ventilation hole is provided through the connection between the connecting tube and the soluble rubber ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the small-diameter soluble bridge plug has the soluble property that the bridge plug can be quickly dissolved under certain circumstances, thereby eliminating the need for disassembly, greatly simplifying the process of equipment maintenance and replacement, saving time and labor costs, and the internal design structure of the bridge plug has been carefully optimized, which can effectively resist the inner wall of the tunnel, ensuring the firmness and stability of the connection, while also being able to accurately control the position during the fixing process to ensure the accuracy and safety of the construction. The design of the soluble rubber ring and the connecting ring not only increases the sealing and stability of the bridge plug, but also improves its adaptability in different environments, for example, it can still maintain good performance in humid or high temperature environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view structural diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the placement tube of the utility model;

[0014] Figure 3This is a schematic diagram of the structure of the connection mechanism of the utility model;

[0015] Figure 4 This is a rear view structural diagram of the connection mechanism of the utility model;

[0016] Figure 5 This is a schematic diagram of the binding mechanism structure of the utility model;

[0017] Figure 6 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. Connector; 2. Placement tube; 3. Threaded groove; 4. Conical groove; 5. Connecting ball; 6. Connecting mechanism; 601. Connecting column; 602. Bracket; 603. Support block; 604. Fragment cava tooth; 605. Fixing block; 606. Slot; 607. Conical block; 608. Placement groove; 609. Connecting block; 610. Installation groove; 611. Spring; 612. Pressing block; 7. Restraining mechanism; 701. Connecting tube; 702. Soluble rubber ring; 703. Limiting groove; 704. Air vent; 705. Connecting ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-6 The utility model provides a technical solution: a small-diameter soluble bridge plug, comprising a connector 1, a placement tube 2 and a threaded groove 3, one side surface of the connector 1 is connected to the placement tube 2, the outer side surface of the connector 2 is provided with a threaded groove 3, the inner side surface of the placement tube 2 is provided with a tapered groove 4, a connecting ball 5 is placed on the inner side surface of the tapered groove 4, a connecting mechanism 6 is provided on one side surface of the connector 1, and a restraining mechanism 7 is provided on one side surface of the connector 1;

[0021] The connecting mechanism 6 includes a connecting column 601, a bracket 602, a support block 603, a fragmentation slip tooth 604, a fixing block 605, a slot 606, a conical block 607, a placement slot 608, a connecting block 609, a mounting slot 610, a spring 611 and a pressing block 612. The inner surface of the connector 1 is connected to the connecting column 601, the outer surface of the connecting column 601 is installed with the bracket 602, one side surface of the bracket 602 is fixedly connected to the support block 603, and the outer surface of the support block 603 is connected to the fragmentation slip tooth 604, a fixing block 605 is installed on one side surface of the connecting column 601, and a slot 606 is provided on the inner side surface of the fixing block 605. A conical block 607 is connected to one side surface of the connector 1, and a placement slot 608 is provided on the inner side surface of the conical block 607. A connecting block 609 is slidably connected to the inner side surface of the placement slot 608. A mounting slot 610 is provided on the inner side surface of the conical block 607. A spring 611 is fixedly connected to the inner side surface of the mounting slot 610. A pressing block 612 is installed on one side surface of the spring 611 , through the setting of the connecting column 601, the bracket 602, the supporting block 603, the broken piece slip tooth 604, the fixing block 605, the slot 606, the tapered block 607, the placement slot 608, the connecting block 609, the installation slot 610, the spring 611 and the pressing block 612, the supporting effect and the connection are more stable, first pull the connecting column 601, then the connecting column 601 connects to the bracket 602 to drive the supporting block 603 to slide onto the tapered block 607, and then the broken piece slip tooth 604 can be pushed out It can rest against the inner wall of the tunnel. When the connecting column 601 moves to a certain extent, the fixed block 605 can enter the interior of the conical block 607. When the fixed block 605 enters the conical block 607, the fixed block 605 can push the connecting block 609 into the placement groove 608. After the fixed block 605 enters the position specified by the conical block 607, after the connecting block 609 blocking the pressing block 612 is completely pushed away, the spring 611 can push the pressing block 612 into the slot 606.

[0022] Furthermore, the connector 1 and the connecting tube 2 are made of soluble materials, and the connection is more convenient through the provision of the connecting tube 2.

[0023] Furthermore, two groups of brackets 602 are provided and symmetrically distributed, and the arrangement of the brackets 602 provides better stability.

[0024] Furthermore, the restraining mechanism 7 includes a connecting tube 701, a dissolvable rubber ring 702, a limiting groove 703, a vent hole 704 and a connecting ring 705. The connecting tube 701 is connected to one side surface of the connector 1. The dissolvable rubber ring 702 is sleeved on the outer surface of the connecting tube 701. The limiting groove 703 is provided on the outer surface of the dissolvable rubber ring 702. The vent hole 704 is provided on the outer surface of the dissolvable rubber ring 702. The connecting ring 705 is connected to the inner surface of the limiting groove 703. By setting the connecting tube 701, the soluble rubber ring 702, the limiting groove 703, the air hole 704 and the connecting ring 705, the binding effect is improved. First, the soluble rubber ring 702 is put on the connecting tube 701, and then the air hole 704 is opened to make the connecting tube 701 and the soluble rubber ring 702 fit better. Then, the limiting grooves 703 are opened on both sides of the soluble rubber ring 702, and then the connecting ring 705 is placed therein to increase the stability of the soluble rubber ring 702.

[0025] Furthermore, a vent hole 704 is provided through the connection between the connecting tube 701 and the dissolvable rubber ring 702 , and the dissolvable rubber ring 702 is provided to achieve a better sealing effect.

[0026] Working principle: first pull the connecting column 601, then the connecting column 601 connects to the bracket 602 to drive the support block 603 to slide onto the conical block 607, and then the fragment slip teeth 604 can be pushed out to resist the inner wall of the tunnel. When the connecting column 601 moves to a certain position, the fixed block 605 can enter the inside of the conical block 607. When the fixed block 605 enters the conical block 607, the fixed block 605 can push the connecting block 609 into the placement groove 608. When the fixed block 605 enters After entering the position specified by the conical block 607 and the connecting block 609 that blocks the pressing block 612 is completely pushed away, the spring 611 can push the pressing block 612 into the slot 606, and the soluble rubber ring 702 is put on the connecting tube 701, and then the air vent 704 is opened to make the connecting tube 701 fit better with the soluble rubber ring 702, and then limit grooves 703 are opened on both sides of the soluble rubber ring 702, and then the connecting ring 705 is placed in it to increase the stability of the soluble rubber ring 702.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small-diameter soluble bridge plug, comprising a connector (1), a placement tube (2) and a thread groove (3), characterized in that: A placement tube (2) is connected to one side surface of the connection head (1), a threaded groove (3) is provided on the outer side surface of the placement tube (2), a conical groove (4) is provided on the inner side surface of the placement tube (2), a connection ball (5) is placed on the inner side surface of the conical groove (4), a connection mechanism (6) is provided on one side surface of the connection head (1), and a restraining mechanism (7) is provided on one side surface of the connection head (1); The connecting mechanism (6) comprises a connecting column (601), a bracket (602), a supporting block (603), a fragmentation slip tooth (604), a fixing block (605), a slot (606), a conical block (607), a placement slot (608), a connecting block (609), a mounting slot (610), a spring (611) and a pressing block (612); the inner surface of the connecting head (1) is connected to the connecting column (601); the outer surface of the connecting column (601) is mounted with the bracket (602); one side surface of the bracket (602) is fixedly connected to the supporting block (603); the outer surface of the supporting block (603) is connected to the fragmentation slip tooth (604), a fixing block (605) is installed on one side surface of the connecting column (601), and a slot (606) is provided on the inner side surface of the fixing block (605). A conical block (607) is connected to one side surface of the connecting head (1), and a placement groove (608) is provided on the inner side surface of the conical block (607). A connecting block (609) is slidably connected to the inner side surface of the placement groove (608). A mounting groove (610) is provided on the inner side surface of the mounting groove (610), and a spring (611) is fixedly connected to the inner side surface of the spring (611), and a pressing block (612) is installed on one side surface of the spring (611).

2. A small diameter soluble bridge plug according to claim 1, characterized in that: The connecting head (1) and the placement tube (2) are made of soluble materials.

3. A small diameter soluble bridge plug according to claim 1, characterized in that: The brackets (602) are provided in two groups and are symmetrically distributed.

4. A small diameter soluble bridge plug according to claim 1, characterized in that: The restraining mechanism (7) comprises a connecting tube (701), a dissolvable rubber ring (702), a limiting groove (703), an air hole (704) and a connecting ring (705); one side surface of the connecting head (1) is connected to the connecting tube (701); the outer surface of the connecting tube (701) is sleeved with a dissolvable rubber ring (702); the outer surface of the dissolvable rubber ring (702) is provided with a limiting groove (703); the outer surface of the dissolvable rubber ring (702) is provided with an air hole (704); and the inner surface of the limiting groove (703) is connected to the connecting ring (705).

5. A small diameter soluble bridge plug according to claim 4, characterized in that: A ventilation hole (704) is provided through the connection between the connecting tube (701) and the dissolvable rubber ring (702).

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