Flexible shaft fishing device for flexible shaft water pump

Abstract

The utility model discloses a flexible shaft water pump flexible shaft salvage device which comprises a salvage cylinder, the outer diameter of the salvage cylinder is matched with the inner diameter of an outer pipe of a flexible shaft water pump, a connector used for being connected with a pull rope is arranged at the top end of the salvage cylinder, an opening end is arranged at the bottom end of the salvage cylinder, and a locking block is rotationally arranged in the salvage cylinder. A locking channel matched with the flexible shaft is arranged between the locking block and the inner wall of the fishing barrel, the locking channel is communicated with the open end, an inclined face is arranged on the side, close to the locking channel, of the locking block, and locking teeth used for locking the flexible shaft are arranged on the inclined face. The flexible shaft is locked and fixed through the locking teeth on the locking block, then the fishing barrel and the flexible shaft are pulled out together through the pull rope, the rapid fishing function of the flexible shaft is achieved, and the rapid fishing device is simple in structure, convenient to use, wide in application range and high in practicability.

Description

Technical Field

[0001] This utility model belongs to the field of salvage tool technology, specifically relating to a flexible shaft water pump flexible shaft salvage device. Background Technology

[0002] The flexible shaft water pump is a household water pump that can be directly installed on wells where self-priming pumps cannot reach. It features good water quality, high head, large suction lift, long life, energy saving and environmental protection, convenient installation, and good sealing. It can also directly supply water to solar panels, hot water bottles, water cylinders, and water tanks on rooftops and buildings. It is very suitable for rural families, livestock farmers, family vegetable gardens, nurseries, and new houses in rural areas.

[0003] A flexible shaft water pump mainly consists of a motor, pump head, flexible shaft, inner tube, outer tube, and support. The motor is on the ground, while the pump head is submerged in well water. The flexible shaft, inner tube, and outer tube are positioned between the motor and pump head, with the flexible shaft inside the inner tube and the inner tube inside the outer tube. The motor provides power, the flexible shaft (a specially made rubber tube with a spiral winding structure of multiple steel wires inside) transmits power to the pump head, the inner tube protects the flexible shaft from well water corrosion, and the outer tube guides the water supplied by the pump head to the surface. The basic principle of a flexible shaft water pump is similar to that of a screw submersible pump, both using a screw. However, the advantages of a flexible shaft water pump are that the motor and pump head are separate, preventing corrosion. The smaller diameter of the pump head and outer tube allows installation in small-diameter wells, eliminating the need for sand-pipe wells and reducing overall costs.

[0004] After prolonged use, the flexible shaft of a water pump is prone to detaching and falling into the well. Once it falls in, it is difficult to retrieve, and if it cannot be retrieved, the well becomes unusable. Existing retrieval tools include hooks and clamps, which are cumbersome to operate and difficult to retrieve, resulting in low retrieval efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a flexible shaft retrieval device for a flexible shaft water pump, which solves the aforementioned problems existing in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a flexible shaft water pump flexible shaft retrieval device, comprising a retrieval cylinder, the outer diameter of which matches the inner diameter of the outer pipe of the flexible shaft water pump, a connector for connecting a pull rope at the top of the retrieval cylinder, an open end at the bottom of the retrieval cylinder, a locking block rotatably disposed inside the retrieval cylinder, a locking channel adapted to the flexible shaft being provided between the locking block and the inner wall of the retrieval cylinder, the locking channel communicating with the open end, an inclined surface being provided on the side of the locking block near the locking channel, and locking teeth for locking the flexible shaft being provided on the inclined surface.

[0007] As an optional implementation of the above technical solution, the retrieval tube is provided with a guide block inside, the guide block is located below the locking block, and a guide slope is provided on one side of the guide block, the guide slope is used to guide the flexible shaft into the locking channel.

[0008] As an optional implementation of the above technical solution, the locking block is provided with an upper blocking part and a lower blocking part on the side away from the inclined plane. The upper blocking part and the lower blocking part are used to block each other with the inner wall of the retrieval tube to limit the rotation angle of the locking block.

[0009] As an optional implementation of the above technical solution, the retrieval tube is provided with a sealing block, which is positioned above the locking block.

[0010] As an optional implementation of the above technical solution, the retrieval tube is provided with a connecting shaft inside, and the locking block is rotatably connected to the connecting shaft.

[0011] As an optional embodiment of the above technical solution, the connector includes a connecting part, a connecting rod, a connecting plate, and a connecting piece. The connecting part is used to connect the pull rope. The two ends of the connecting rod are respectively connected to the connecting part and the connecting plate. The two ends of the connecting piece are respectively connected to the connecting plate and the retrieval cylinder.

[0012] As an optional implementation of the above technical solution, at least two connecting plates are connected between the connecting plate and the retrieval cylinder, and the at least two connecting plates are evenly distributed along the circumference of the retrieval cylinder.

[0013] As an optional implementation of the above technical solution, the connecting piece is inclinedly disposed between the connecting plate and the retrieval cylinder.

[0014] As an optional implementation of the above technical solution, the connecting plate is provided with a threaded hole, and the connecting rod is provided with an external thread that matches the threaded hole.

[0015] As an optional embodiment of the above technical solution, the connecting part includes a connecting ring, which is welded to the end of the connecting rod; or the connecting part includes a connecting sleeve, which is threadedly connected to the connecting rod.

[0016] As an optional implementation of the above technical solution, the pull rope is a steel wire rope.

[0017] The beneficial effects of this utility model are as follows:

[0018] This invention provides a flexible shaft water pump flexible shaft retrieval device. A locking block is rotatably installed inside the retrieval cylinder, and a locking channel adapted to the flexible shaft is provided between the locking block and the inner wall of the retrieval cylinder. As the operator gradually lowers the retrieval cylinder, the flexible shaft extends into the locking channel. At this time, the flexible shaft applies top pressure to the locking block, causing the locking block to rotate upwards. After the retrieval cylinder stops lowering, the locking block rotates downwards under the action of gravity or external force such as spring torque. The locking teeth of the locking block lock the flexible shaft. The operator then retracts the retrieval cylinder, thus retrieving the flexible shaft. This invention utilizes the locking teeth on the locking block to lock and fix the flexible shaft, and then uses a pull rope to pull the retrieval cylinder and the flexible shaft out together, achieving a rapid retrieval function for the flexible shaft. Its structure is simple, easy to use, and has a wide range of applications, making it highly practical. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a flexible shaft water pump flexible shaft retrieval device in one embodiment of this utility model;

[0020] Figure 2 This is a diagram showing the state of the flexible shaft water pump and flexible shaft retrieval device in an embodiment of this utility model when it is not in use;

[0021] Figure 3 This is a state diagram of the flexible shaft water pump flexible shaft retrieval device during retrieval in one embodiment of this utility model;

[0022] Figure 4 This is a schematic diagram of the flexible shaft water pump flexible shaft retrieval device in another embodiment of this utility model.

[0023] In the diagram: 1-retrieval tube; 2-connector; 3-locking block; 4-locking tooth; 5-guide block; 6-sealing block; 7-connecting shaft; 8-connecting ring; 9-connecting rod; 10-connecting plate; 11-connecting piece; 12-flexible shaft; 13-connecting sleeve. Detailed Implementation

[0024] like Figures 1-4 As shown, this embodiment provides a flexible shaft water pump flexible shaft retrieval device, including a retrieval cylinder 1. The outer diameter of the retrieval cylinder 1 matches the inner diameter of the outer tube of the flexible shaft water pump, allowing the retrieval cylinder 1 to be directly inserted into the outer tube of the flexible shaft water pump for retrieval of the flexible shaft 12. The top of the retrieval cylinder 1 is provided with a connector 2 for connecting a pull rope. Since the outer tube of the flexible shaft water pump has a certain length, a pull rope is needed to connect the retrieval cylinder 1, allowing the retrieval cylinder 1 to be lowered into the outer tube of the flexible shaft water pump to retrieve the flexible shaft 12. Preferably, the pull rope is a steel wire rope.

[0025] The bottom end of the retrieval tube 1 is open, and a locking block 3 is rotatably installed inside the retrieval tube 1. Specifically, a connecting shaft 7 is provided inside the retrieval tube 1, and the locking block 3 is rotatably connected to the connecting shaft 7. A locking channel adapted to the flexible shaft 12 is provided between the locking block 3 and the inner wall of the retrieval tube 1. The locking channel communicates with the open end. The side of the locking block 3 near the locking channel has an inclined surface, and locking teeth 4 for locking the flexible shaft 12 are provided on the inclined surface. The locking block 3 can rotate inside the retrieval tube 1, and the structural design of the inclined surface on the locking block 3 facilitates the insertion of the flexible shaft 12 into the locking channel. As the operator gradually lowers the retrieval cylinder 1, the flexible shaft 12 extends into the locking channel. At this time, the flexible shaft 12 applies top pressure to the locking block 3, causing the locking block 3 to rotate upward. After the retrieval cylinder 1 stops lowering, the locking block 3 presses down on the flexible shaft 12 under the action of gravity or external force such as spring torque. The locking teeth 4 of the locking block 3 lock the flexible shaft 12. The operator can then retract the retrieval cylinder 1 to retrieve the flexible shaft 12.

[0026] This utility model uses the locking teeth 4 on the locking block 3 to lock and fix the flexible shaft 12, and then uses a pull rope to pull out the retrieval cylinder 1 and the flexible shaft 12 together, so as to realize the rapid retrieval function of the flexible shaft 12. It has a simple structure, is easy to use, has a wide range of applications, and has high practicality.

[0027] In one specific embodiment, a guide block 5 is provided inside the retrieval cylinder 1, and the guide block 5 is located below the locking block 3. A guide slope is provided on one side of the guide block 5, and the guide slope is used to guide the flexible shaft 12 into the locking channel. The guide block 5 is fixed inside the retrieval cylinder 1, and when the flexible shaft 12 enters the retrieval cylinder 1, the guide slope of the guide block 5 can guide the flexible shaft 12 into the locking channel.

[0028] Preferably, the locking block 3 has an upper blocking part and a lower blocking part on the side away from the inclined plane. Both the upper and lower blocking parts are used to block each other with the inner wall of the retrieval tube 1 to limit the rotation angle of the locking block 3. When the flexible shaft 12 is not in contact with the locking teeth 4, the lower blocking part of the locking block 3 blocks each other with the inner wall of the retrieval tube 1, and the side of the locking block 3 with the locking teeth 4 is tilted downward so that the flexible shaft 12 can enter the locking channel. After the flexible shaft 12 enters the locking channel, the flexible shaft 12 applies an upward top pressure to the locking block 3, causing the locking block 3 to rotate upward. The upper blocking part of the locking block 3 blocks each other with the inner wall of the retrieval tube 1, limiting the locking block 3 from continuing to rotate upward. After the retrieval tube 1 stops being lowered, the locking block 3 locks the flexible shaft 12 under the action of gravity through the locking teeth 4.

[0029] In one specific embodiment, the retrieval cylinder 1 is provided with a sealing block 6, which is positioned above the locking block 3. The sealing block 6 blocks one end of the locking channel, restricting the movement of the flexible shaft 12.

[0030] like Figure 1 and Figure 4 As shown, in one specific embodiment, the connector 2 includes a connecting part, a connecting rod 9, a connecting plate 10, and a connecting piece 11. The connecting part is used to connect a pull rope, facilitating the lowering of the retrieval cylinder 1 into the outer pipe of the flexible shaft water pump. The connecting part includes a connecting ring 8, which is welded to the end of the connecting rod 8; or the connecting part includes a connecting sleeve 13, which is threadedly connected to the connecting rod 9. The pull rope is wound around the connecting ring 8, or inserted into the connecting sleeve 13 and tightened with hydraulic clamps, or the pull rope can be fixed to the connecting sleeve 13 by hammering it with a hammer. The two ends of the connecting rod 9 are connected to the connecting ring 8 and the connecting plate 10, respectively, and the two ends of the connecting piece 11 are connected to the connecting plate 10 and the retrieval cylinder 1, respectively. At least two connecting pieces 11 are connected between the connecting plate 10 and the retrieval cylinder 1. The connecting pieces 11 are arc-shaped, and at least two connecting pieces 11 are evenly distributed along the circumference of the retrieval cylinder 1. Ensure the connection strength between the connecting plate 10 and the retrieval cylinder 1. Preferably, the connecting piece 11 is fixed to the connecting plate 10 by welding. The connecting plate 10 is provided with a threaded hole, and the connecting rod 9 is provided with an external thread that matches the threaded hole. This facilitates the assembly and disassembly of the connecting plate 10 and the connecting rod 9.

[0031] In one specific embodiment, the connecting piece 11 is inclinedly disposed between the connecting plate 10 and the retrieval cylinder 1, which can reduce the resistance when the retrieval cylinder 1 rises.

[0032] like Figure 2 and Figure 3 As shown, when using this utility model, the operator connects the pull rope to the connecting ring 8 or the connecting sleeve 13, and then gradually lowers the retrieval cylinder 1 into the outer pipe of the flexible shaft water pump. After the flexible shaft 12 is guided by the guide block 5, it extends into the locking channel. At this time, the flexible shaft 12 applies top pressure to the locking block 3, causing the locking block 3 to rotate upward. After the flexible shaft 12 presses against the sealing block 6, the retrieval cylinder 1 stops lowering. Under the action of gravity, the locking block 3 presses down on the flexible shaft 12, so that the locking teeth 4 of the locking block 3 lock the flexible shaft 12. The operator then retracts the retrieval cylinder 1, and the flexible shaft 12 can be retrieved.

[0033] In this description of the utility model, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. They can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model. Furthermore, the specific features and structures described in the embodiments are included in at least one implementation method. Those skilled in the art can combine features from different implementation methods without contradiction. The scope of protection of this utility model is not limited to the specific implementation methods described above. Based on the basic technical concept of this utility model, implementation methods that can be conceived by those skilled in the art without creative effort are all within the scope of protection of this utility model.

Claims

1. A flexible shaft water pump flexible shaft retrieval device, characterized in that, The device includes a retrieval cylinder (1), the outer diameter of which matches the inner diameter of the outer pipe of the flexible shaft water pump. The top of the retrieval cylinder (1) is provided with a connector (2) for connecting a pull rope, and the bottom of the retrieval cylinder (1) is provided with an open end. A locking block (3) is provided inside the retrieval cylinder (1). A locking channel adapted to the flexible shaft (12) is provided between the locking block (3) and the inner wall of the retrieval cylinder (1). The locking channel is connected to the open end. The side of the locking block (3) near the locking channel is provided with an inclined surface. A locking tooth (4) for locking the flexible shaft (12) is provided on the inclined surface.

2. The flexible shaft water pump flexible shaft retrieval device according to claim 1, characterized in that, The retrieval tube (1) is provided with a guide block (5) inside. The guide block (5) is located below the locking block (3). A guide slope is provided on one side of the guide block (5). The guide slope is used to guide the flexible shaft (12) into the locking channel.

3. The flexible shaft water pump flexible shaft retrieval device according to claim 1, characterized in that, The locking block (3) has an upper blocking part and a lower blocking part on the side away from the inclined plane. The upper blocking part and the lower blocking part are used to block each other with the inner wall of the retrieval tube (1) to limit the rotation angle of the locking block (3).

4. The flexible shaft water pump flexible shaft retrieval device according to claim 1, characterized in that, The retrieval tube (1) is equipped with a sealing block (6), which is positioned above the locking block (3).

5. The flexible shaft water pump flexible shaft retrieval device according to claim 1, characterized in that, The retrieval tube (1) is equipped with a connecting shaft (7) inside, and the locking block (3) is rotatably connected to the connecting shaft (7).

6. The flexible shaft water pump flexible shaft retrieval device according to claim 1, characterized in that, The connector (2) includes a connecting part, a connecting rod (9), a connecting plate (10), and a connecting piece (11). The connecting part is used to connect the pull rope. The two ends of the connecting rod (9) are connected to the connecting part and the connecting plate (10) respectively. The two ends of the connecting piece (11) are connected to the connecting plate (10) and the retrieval tube (1) respectively.

7. The flexible shaft water pump flexible shaft retrieval device according to claim 6, characterized in that, At least two connecting pieces (11) are connected between the connecting plate (10) and the retrieval cylinder (1), and the at least two connecting pieces (11) are evenly distributed along the circumference of the retrieval cylinder (1).

8. The flexible shaft water pump flexible shaft retrieval device according to claim 7, characterized in that, The connecting piece (11) is inclinedly disposed between the connecting plate (10) and the retrieval tube (1).

9. The flexible shaft water pump flexible shaft retrieval device according to claim 6, characterized in that, The connecting plate (10) is provided with a threaded hole, and the connecting rod (9) is provided with an external thread that is compatible with the threaded hole.

10. The flexible shaft water pump flexible shaft retrieval device according to claim 6, characterized in that, The connecting part includes a connecting ring (8) which is welded to the end of the connecting rod (9); or the connecting part includes a connecting sleeve (13) which is threadedly connected to the connecting rod (9).

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