A sealing and anti-loosening connection structure based on a water pump

Abstract

This utility model discloses a sealing and anti-loosening connection structure based on a water pump. The main connecting pipe is installed on the water pump. A fixed pipe is engaged on one side of the main connecting pipe, and a secondary connecting pipe is fixed on one side of the main connecting pipe. The secondary connecting pipe has external threads on its surface and a tapered tube is fixed on one side. Several limiting balls are engaged on the surface of the secondary connecting pipe. A sleeve is engaged on the surface of the fixed pipe, and the sleeve engages with the secondary connecting pipe. A sealing ring engaged on the surface of the secondary connecting pipe, in conjunction with a sealing groove on the inner side of the sleeve, forms a tight seal. The inner side of the sealing ring is in contact with a compression ball, which is connected to the limiting balls. A compression spring applies continuous elastic pressure to the compression ball. When the fixed pipe and the main connecting pipe are connected through the sleeve, the spring pressure causes the sealing ring to fit tightly within the sealing groove. This not only effectively prevents liquid leakage but also accommodates a certain degree of pipe deformation and vibration, ensuring the long-term effectiveness of the seal.

Description

Technical Field

[0001] This utility model relates to the field of anti-loosening connection structure technology, and in particular to a sealed anti-loosening connection structure based on a water pump. Background Technology

[0002] Water pumps are widely used in industrial production, urban water supply, agricultural irrigation, and building fire protection. In these scenarios, the connecting pipes of water pumps need to withstand the effects of liquid pressure, mechanical vibration, and environmental factors over a long period of time. For example, in industrial production, water pumps are used to transport corrosive or high-temperature liquids, and the connection points must not only prevent liquid leakage but also resist corrosion and high temperatures; in building fire protection systems, the connecting pipes of water pumps must maintain reliable connections and good seals in emergency situations to ensure the normal delivery of fire-fighting water.

[0003] Traditional water pump connection structures mostly use a single threaded connection or a simple gasket sealing method. Threaded connections are prone to loosening under long-term vibration and pressure, leading to water leakage or even pipe detachment; while simple gasket sealing has limited sealing effect and is difficult to adapt to complex working environments, such as high temperature, high pressure, and corrosive liquids. Gaskets are also prone to aging and damage, requiring frequent replacement, which increases maintenance costs and equipment downtime.

[0004] To address this, we propose a sealed, anti-loosening connection structure based on a water pump. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sealed and anti-loosening connection structure based on a water pump.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A sealing and anti-loosening connection structure based on a water pump is provided, wherein a main connecting pipe installed on the water pump is fitted with a fixing pipe on one side of the main connecting pipe, a secondary connecting pipe is fixedly fitted on one side of the main connecting pipe, the surface of the secondary connecting pipe is provided with external threads, a tapered tube is fixedly fitted on one side of the secondary connecting pipe, a plurality of limiting balls are fitted with the surface of the secondary connecting pipe, and a sleeve is fitted with the surface of the fixing pipe, the sleeve being fitted with the secondary connecting pipe.

[0008] As a further improvement of this utility model: the sleeve is U-shaped in side view and wraps around the inner and outer sides of one end of the fixed tube, and the inner and outer sides of the inner layer of the sleeve are provided with connecting threads.

[0009] As a further embodiment of this utility model: a plurality of compression springs are movably arranged inside the cavity of the secondary connecting tube, compression balls are fixedly arranged on both sides of the compression springs, and a sealing ring is engaged on the surface of the secondary connecting tube.

[0010] As a further embodiment of this utility model: the inner side of the sealing ring is fitted with the extrusion ball, and the other end of the extrusion ball is fitted with the limiting ball.

[0011] As a further embodiment of this utility model: the surface and inner wall of the fixing tube are threaded, the fixing tube is threadedly connected to the sleeve, and the inner side of the sleeve is provided with a sealing groove, which engages with the sealing ring.

[0012] As a further embodiment of this utility model: a connecting flange is fixedly provided on one side of the main connecting pipe, and a fixed flange is movably provided on the outside of the fixed pipe, and the connecting flange and the fixed flange are parallel to each other.

[0013] As a further embodiment of this utility model: the fixed flange is threadedly connected to the fixed pipe, and a limiting groove is provided on the inner side of the fixed flange. The limiting groove engages with the outer side of the sleeve, and the outer side of the sleeve is closed by means of the thread rotation.

[0014] Compared with the prior art, this utility model provides a sealed and anti-loosening connection structure based on a water pump, which has the following beneficial effects:

[0015] 1. In this utility model, a sealing ring that engages with the surface of the secondary connecting pipe, in conjunction with a sealing groove on the inner side of the sleeve, forms a tight sealing fit. The inner side of the sealing ring is in contact with a compression ball, which is connected to a limiting ball. A compression spring installed within the cavity of the secondary connecting pipe applies continuous elastic pressure to the compression ball. When the fixed pipe and the main connecting pipe are connected via the sleeve, the spring pressure causes the sealing ring to fit tightly within the sealing groove. This not only effectively prevents liquid leakage but also accommodates a certain degree of pipe deformation and vibration, ensuring the long-term effectiveness of the seal.

[0016] 2. In this utility model, the sleeve is U-shaped in side view, wrapping around the inner and outer sides of one end of the fixed pipe. The sleeve, auxiliary connecting pipe, and fixed pipe are all connected by threads. The fixed flange is threaded to the fixed pipe, and its inner limiting groove engages with the outer side of the sleeve. The outer side of the sleeve is sealed by threaded rotation, constraining the connection from multiple directions and greatly enhancing the connection's robustness. Even if the water pump experiences strong vibrations during operation or the pipeline is subjected to external impact, the connection structure remains stable, effectively preventing problems such as water leakage and equipment failure caused by loose connections.

[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a water pump-based sealing and anti-loosening connection structure proposed in this utility model;

[0019] Figure 2 This is a side view of the main connecting pipe structure of a water pump-based sealing and anti-loosening connection structure proposed in this utility model.

[0020] Figure 3 This is a schematic diagram of the separate structure of the sleeve and the fixing pipe of a sealing and anti-loosening connection structure based on a water pump proposed in this utility model.

[0021] Figure 4 This is a schematic diagram of the fitting structure of the sleeve and the tapered tube in a sealing and anti-loosening connection structure based on a water pump proposed in this utility model.

[0022] Figure 5 This is a schematic diagram of a sleeve structure for a water pump-based sealing and anti-loosening connection structure proposed in this utility model.

[0023] In the diagram: 1. Main connecting pipe; 2. Fixed pipe; 3. Secondary connecting pipe; 4. Tapered pipe; 5. Limiting ball; 6. Sleeve; 7. Compression spring; 8. Compression ball; 9. Sealing ring; 10. Connecting flange; 11. Fixed flange; 12. Sealing groove; 13. Limiting groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Example: A sealed, anti-loosening connection structure based on a water pump, such as... Figures 1-5As shown, a main connecting pipe 1 is installed on the water pump. A fixed pipe 2 is engaged on one side of the main connecting pipe 1. A secondary connecting pipe 3 is fixed on one side of the main connecting pipe 1. The surface of the secondary connecting pipe 3 has external threads. A tapered pipe 4 is fixed on one side of the secondary connecting pipe 3. Several limiting balls 5 are engaged on the surface of the secondary connecting pipe 3. A sleeve 6 is engaged with the surface of the fixed pipe 2. The sleeve 6 is U-shaped in side view and wraps around the inner and outer sides of one end of the fixed pipe 2. The inner and outer sides of the inner layer of the sleeve 6 have connecting threads. The sleeve 6 is U-shaped in side view and wraps around the inner and outer sides of one end of the fixed pipe 2. The sleeve 6 is threaded to the secondary connecting pipe 3 and the fixed pipe 2. A fixed flange 11 is threaded to the fixed pipe 2. The limiting groove 13 on its inner side engages with the outer side of the sleeve 6, and the outer side of the sleeve 6 is closed by rotating the threads. This multi-threaded connection and limiting structure constrains the connection from multiple directions, greatly enhancing its robustness. Even if the water pump experiences strong vibrations during operation or the pipeline is subjected to external impacts, the connection structure remains stable, effectively preventing problems such as leaks and equipment failures caused by loose connections. Compared to traditional single-threaded connections, this structure significantly improves anti-loosening performance, reducing maintenance costs and equipment operation risks.

[0027] like Figures 1-4 As shown, several compression springs 7 are movably installed inside the cavity of the secondary connecting pipe 3. Compression balls 8 are fixedly installed on both sides of the compression springs 7. A sealing ring 9 is engaged with the surface of the secondary connecting pipe 3. The inner side of the sealing ring 9 is in contact with the compression balls 8, and the other end of the compression ball 8 is in contact with the limiting ball 5. The surface and inner wall of the fixing pipe 2 are threaded, and the fixing pipe 2 is threadedly connected to the sleeve 6. A sealing groove 12 is opened on the inner side of the sleeve 6, and the sealing groove 12 is engaged with the sealing ring 9. The sealing ring 9 engaged with the surface of the secondary connecting pipe 3, together with the sealing groove 12 on the inner side of the sleeve 6, forms a tight sealing fit. The inner side of the sealing ring 9 is in contact with the compression balls 8, and the compression balls 8 are connected to the limiting ball 5. The compression springs 7 installed inside the cavity of the secondary connecting pipe 3 can apply continuous elastic pressure to the compression balls 8.

[0028] like Figures 1-3 As shown, a connecting flange 10 is fixedly installed on one side of the main connecting pipe 1, and a fixed flange 11 is movably installed on the outside of the fixed pipe 2. The connecting flange 10 and the fixed flange 11 are parallel to each other. The fixed flange 11 is threadedly connected to the fixed pipe 2. A limiting groove 13 is opened on the inner side of the fixed flange 11. The limiting groove 13 engages with the outside of the sleeve 6 and is closed on the outside of the sleeve 6 by means of thread rotation.

[0029] Working Principle: During installation, the auxiliary connecting pipe 3 is first fixedly connected to the main connecting pipe 1. The limiting ball 5, compression spring 7, and compression ball 8 on the auxiliary connecting pipe 3 are also positioned accordingly. Then, the sleeve 6 is fitted onto the fixed pipe 2. Since the inner and outer sides of the sleeve 6 are threaded, it can be screwed into the external thread of the auxiliary connecting pipe 3 and the thread on the surface of the fixed pipe 2, respectively. During the screwing process, the sleeve 6 gradually approaches the auxiliary connecting pipe 3. The compression spring 7 pushes the compression ball 8, which in turn compresses the sealing ring 9, causing it to tightly embed into the sealing groove 12 on the inner side of the sleeve 6, achieving a seal. Finally, the fixing flange 11 is screwed onto the outer side of the fixed pipe 2. The limiting groove 13 on the inner side of the fixing flange 11 engages with the outer side of the sleeve 6, further securing the sleeve 6 and completing the entire connection process. During pump operation, the pressure generated by the liquid flowing in the pipeline and pump vibration will subject the connection to various forces. However, due to the multiple threaded connections and sealing structure, both the connection's strength and good sealing effect are ensured, guaranteeing the stable operation of the pump system.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sealed and anti-loosening connection structure based on a water pump, comprising a main connecting pipe (1) installed on the water pump, characterized in that: A fixing tube (2) is engaged on one side of the main connecting pipe (1), and a secondary connecting pipe (3) is fixedly disposed on one side of the main connecting pipe (1). The surface of the secondary connecting pipe (3) is provided with external threads. A tapered tube (4) is fixedly disposed on one side of the secondary connecting pipe (3). Several limiting balls (5) are engaged on the surface of the secondary connecting pipe (3). A sleeve (6) is engaged on the surface of the fixing tube (2). The sleeve (6) is engaged with the secondary connecting pipe (3).

2. The sealing and anti-loosening connection structure based on a water pump according to claim 1, characterized in that: The sleeve (6) is U-shaped when viewed from the side and wraps around the inner and outer sides of one end of the fixed tube (2). The inner and outer sides of the inner layer of the sleeve (6) are provided with connecting threads.

3. The sealing and anti-loosening connection structure based on a water pump according to claim 1, characterized in that: A plurality of compression springs (7) are movably arranged inside the cavity of the secondary connecting pipe (3), and compression balls (8) are fixedly arranged on both sides of the compression springs (7). A sealing ring (9) is engaged on the surface of the secondary connecting pipe (3).

4. The sealing and anti-loosening connection structure based on a water pump according to claim 3, characterized in that: The inner side of the sealing ring (9) is in contact with the extrusion ball (8), and the other end of the extrusion ball (8) is in contact with the limiting ball (5).

5. The sealing and anti-loosening connection structure based on a water pump according to claim 4, characterized in that: The surface and inner wall of the fixed tube (2) are threaded, the fixed tube (2) is threadedly connected to the sleeve (6), and the inner side of the sleeve (6) is provided with a sealing groove (12), which engages with the sealing ring (9).

6. The sealing and anti-loosening connection structure based on a water pump according to claim 5, characterized in that: A connecting flange (10) is fixedly installed on one side of the main connecting pipe (1), and a fixing flange (11) is movably installed on the outside of the fixing pipe (2). The connecting flange (10) and the fixing flange (11) are parallel to each other.

7. The sealing and anti-loosening connection structure based on a water pump according to claim 6, characterized in that: The fixed flange (11) is threadedly connected to the fixed pipe (2). A limiting groove (13) is provided on the inner side of the fixed flange (11). The limiting groove (13) engages with the outer side of the sleeve (6) and is closed on the outer side of the sleeve (6) by means of thread rotation.

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