Flexible composite pipe connecting device

Abstract

The utility model relates to the technical field of composite pipeline connection, in particular to a flexible composite pipe connecting device which comprises a corrugated pipeline body, a first flange plate and a second flange plate are fixedly connected to the two ends of the corrugated pipeline body, and a third flange plate is connected to the surface of one side of the first flange plate through a bolt. The surface of the side, away from the first flange plate, of the third flange plate is fixedly connected with a stepped connector, the surface of one side of the second flange plate is in bolted connection with a fourth flange plate, and the surface of the side, away from the second flange plate, of the fourth flange plate is fixedly connected with a connecting pipe. According to the utility model, the baffle and the filter screen are arranged in the connecting pipe, and the filter screen is used for filtering impurities in a fluid medium, so that fluid entering the pipeline is relatively clean, the service life of the pipeline and related equipment can be prolonged, and the maintenance cost is reduced; after many impurities are accumulated after long-term use, the sealing cover is opened, and the filter pipe is cleaned by an operator.

Description

Technical Field

[0001] The utility model relates to the technical field of composite pipe connection, in particular to a flexible composite pipe connection device. Background Art

[0002] Flexible composite pipes are increasingly used in fluid transportation systems. However, existing flexible composite pipe connection devices present several challenges. Inadequate attention is paid to filtering impurities from the fluid within the pipes, and effective filtration measures are lacking. This allows impurities to easily enter the pipes, potentially leading to blockages and equipment damage. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a flexible composite pipe connecting device.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a flexible composite pipe connection device, comprising a corrugated pipe body, wherein the two ends of the corrugated pipe body are respectively fixedly connected with a first flange and a second flange, a side surface of the first flange is bolted to a third flange, a side surface of the third flange away from the first flange is fixedly connected with a stepped connection port, a side surface of the second flange is bolted to a fourth flange, and a side surface of the fourth flange away from the second flange is fixedly connected with a connecting pipe.

[0005] A filter tube is welded to the outer surface of the connecting tube, and the filter tube is connected to the inside of the connecting tube. A baffle is fixedly connected to the inside of the connecting tube, and the upper end of the baffle fits with the inner wall of one side of the lower end of the filter tube. A filter screen is provided on the upper part of the baffle, and a sealing cover is bolted to the upper end of the filter tube.

[0006] As a further description of the above technical solution:

[0007] The stepped connection port includes a first connection port, one end of which is welded to the surface of the third flange away from the first flange, the inner wall on one side of the first connection port is threadedly connected to the second connection port, the inner diameter of the second connection port is smaller than that of the first connection port, the inner wall on one side of the second connection port is threadedly connected to the third connection port, the inner diameter of the third connection port is smaller than that of the second connection port, and the inner wall on the side of the third connection port away from the second connection port is embedded with a thread. This structure can adapt to connecting pipes with different outer diameters, thereby improving the versatility and sealing of the connection.

[0008] As a further description of the above technical solution:

[0009] Bolt seats are welded to the outer ring surfaces of the first flange and the second flange, and fixing bolts are distributed in an array on the annular surfaces of the first flange and the second flange. Holes are provided on the surface of the bolt seats, and the fixing bolts pass through the inside of the holes. Threads are provided on the surface of the fixing bolts, and nuts are threadedly connected to the surface of the fixing bolts. The nuts are respectively located on the left and right sides of the bolt seat. When in use, the length of the corrugated pipe body is adjusted, and fixation is achieved through the fixing bolts and nuts to increase stability.

[0010] As a further description of the above technical solution:

[0011] A fixing sleeve is welded to one end of the connecting pipe away from the fourth flange, and a thread is embedded in the inner wall of the fixing sleeve, which facilitates the connection of the flexible pipe during use and improves the use efficiency.

[0012] As a further description of the above technical solution:

[0013] The corrugated pipe body has a three-layer structure, including an inner corrosion-resistant rubber layer, a middle wire braided reinforcement layer and an outer wear-resistant plastic layer, which is used to prevent the pipe from being damaged by external friction during installation and use, thereby improving the overall performance of the corrugated pipe body.

[0014] As a further description of the above technical solution:

[0015] The fixed sleeve is the medium input end. This design clarifies the fluid input path, facilitates installation and use in the pipeline system, and the fluid medium output path, so that the filter device can play a role when in use.

[0016] The utility model has the following beneficial effects:

[0017] Compared to existing technologies, this flexible composite pipe connection device utilizes a baffle and filter screen within the connecting pipe to form an effective filtration system. Guided by the baffle, the fluid medium flows through the filter screen provided on the upper portion of the baffle. The filter screen effectively intercepts impurity particles in the medium, thereby filtering the medium and ensuring that the fluid entering subsequent pipelines is relatively clean. This extends the service life of the pipeline and related equipment, reducing maintenance costs. If impurities accumulate over time, affecting the filtration effect, the sealing cap can be opened and the operator can clean the filter pipe.

[0018] Through the design of the stepped connection port, connecting pipes with different inner diameters can be reasonably connected to external connecting pipes. External connecting pipes with different inner diameters are threadedly connected to the connection port, which is convenient for disassembly and installation during use and expands the scope of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a schematic diagram of the overall structure of a flexible composite pipe connection device proposed by the present invention;

[0020] Figure 2 This is a schematic cross-sectional view of the inner wall of a flexible composite pipe connecting device proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the fixing sleeve structure of a flexible composite pipe connecting device proposed by the present invention;

[0022] Figure 4 This is a front view schematic diagram of a flexible composite pipe connecting device proposed by the present invention.

[0023] Legend:

[0024] 1. Corrugated pipe body; 2. First flange; 201. Bolt seat; 202. Fixing bolt; 203. Nut; 3. Second flange; 4. Third flange; 5. Stepped connection port; 501. First connection port; 502. Second connection port; 503. Third connection port; 6. Fourth flange; 7. Connecting pipe; 8. Fixing sleeve; 9. Filter tube; 11. Baffle; 12. Filter screen; 13. Sealing cover. DETAILED DESCRIPTION

[0025] The present invention is further described below with reference to the accompanying drawings and specific embodiments to facilitate understanding of the present invention. The methods used in the present invention are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0026] Reference Figure 1-4 The utility model provides a flexible composite pipe connection device: it includes a corrugated pipe body 1, and the two ends of the corrugated pipe body 1 are respectively fixedly connected with a first flange 2 and a second flange 3, one side surface of the first flange 2 is bolted to a third flange 4, and the side surface of the third flange 4 away from the first flange 2 is fixedly connected to a stepped connection port 5, one side surface of the second flange 3 is bolted to a fourth flange 6, and the side surface of the fourth flange 6 away from the second flange 3 is fixedly connected to a connecting pipe 7.

[0027] A filter tube 9 is welded to the outer surface of the connecting tube 7, and the filter tube 9 is connected to the inside of the connecting tube 7. A baffle 11 is fixedly connected to the inside of the connecting tube 7. The upper end of the baffle 11 fits into the inner wall of one side of the lower end of the filter tube 9. A filter screen 12 is provided on the upper section of the baffle 11, and a sealing cover 13 is bolted to the upper end of the filter tube 9. Through this filtering structure, the fluid medium entering the connecting tube 7 can be filtered to prevent impurities from entering subsequent pipelines, thereby extending the service life of the pipeline.

[0028] The stepped connection port 5 includes a first connection port 501, one end of which is welded to the surface of the third flange 4 away from the first flange 2. A second connection port 502 is threadedly connected to the inner wall of one side of the first connection port 501. The inner diameter of the second connection port 502 is smaller than that of the first connection port 501. A third connection port 503 is threadedly connected to the inner wall of one side of the second connection port 502. The inner diameter of the third connection port 503 is smaller than that of the second connection port 502. The inner wall of the third connection port 503 away from the second connection port 502 is embedded with threads. When connecting to an external pipe with a different inner diameter, the external pipe is connected to the threaded inner wall of the stepped connection port 5, which improves convenience during use.

[0029] Bolt seats 201 are welded to the outer annular surfaces of the first and second flanges 2 and 3. An array of fixing bolts 202 is distributed along the annular surfaces of the first and second flanges 2 and 3. Holes are formed on the surface of the bolt seats 201, through which the fixing bolts 202 pass. Threads are formed on the surface of the fixing bolts 202, which are threaded with nuts 203. The nuts 203 are located on the left and right sides of the bolt seats 201. This structure ensures the secure connection between the flanges. Furthermore, the corrugated pipe body 1 can be extended or shortened during use. The provision of the fixing bolts 202 can secure this length, increasing the stability of the pipe connection.

[0030] A fixing sleeve 8 is welded to the end of the connecting pipe 7 away from the fourth flange 6. The inner wall of the fixing sleeve 8 is embedded with threads. The fixing sleeve 8 can be used to connect the external pipeline at the fluid medium input end. The threaded connection increases the convenience of pipeline connection.

[0031] The corrugated pipe body 1 has a three-layer structure, including an inner corrosion-resistant rubber layer, a middle wire braided reinforcement layer and an outer wear-resistant plastic layer. This multi-layer structure makes the corrugated pipe body 1 have good corrosion resistance, high strength and wear resistance.

[0032] The fixed sleeve 8 is the medium input end and the input path of the fluid medium. It is easy to install when in use. The fluid medium passes through the filtering device, so that the filter tube 9 achieves the filtering effect.

[0033] Working principle:

[0034] The fluid medium enters from the fixed sleeve 8 on the connecting pipe 7. The threaded structure on the inner wall of the fixed sleeve 8 can be tightly connected to the input pipe to ensure the sealing of the medium input. After the medium enters the connecting pipe 7, it first contacts the filter tube 9. Since the filter tube 9 is connected to the connecting pipe 7, the upper end of the baffle 11 in the filter tube 9 fits with the inner wall of one side of the lower end of the filter tube 9. This design allows the medium to flow through the filter screen 12 opened in the upper part of the baffle 11 after entering the filter tube 9. The filter screen 12 can effectively intercept foreign particles in the medium, thereby filtering the medium. When the filter tube 9 needs to be maintained or cleaned of impurities, it can be cleaned by opening the sealing cover 13 at the upper end of the filter tube 9.

[0035] The stepped connection port 5 consists of a first connection port 501, a second connection port 502, and a third connection port 503. Large-diameter output pipes can be connected through the first connection port 501; medium-diameter pipes can be connected through the second connection port 502; and smaller-diameter output pipes can be connected through the third connection port 503. This design of threaded connection ports with varying inner diameters allows the device to flexibly adapt to various external output pipes, ensuring compatibility and sealing in various application scenarios.

[0036] The corrugated pipe body 1 can fine-tune the length of the pipe body due to the setting of the surface corrugations during use. When the length of the corrugated pipe body 1 is adjusted to an appropriate length, the length of the corrugated pipe body 1 is fixed by the mutual cooperation of the bolt seat 201, the fixing bolt 202 and the nut 203, thereby increasing the stability of the pipe connection.

[0037] In the description of the present invention, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] However, the above description is merely a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the patent of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A flexible composite pipe connection device, comprising a corrugated pipe body (1), characterized in that: The two ends of the corrugated pipe body (1) are respectively fixedly connected with a first flange (2) and a second flange (3); a side surface of the first flange (2) is bolted to a third flange (4); a side surface of the third flange (4) away from the first flange (2) is fixedly connected to a stepped connection port (5); a side surface of the second flange (3) is bolted to a fourth flange (6); a side surface of the fourth flange (6) away from the second flange (3) is fixedly connected to a connecting pipe (7); A filter tube (9) is welded to the outer surface of the connecting tube (7), and the filter tube (9) is connected to the interior of the connecting tube (7). A baffle (11) is fixedly connected to the interior of the connecting tube (7), and the upper end of the baffle (11) is fitted with an inner wall of one side of the lower end of the filter tube (9). A filter screen (12) is provided on the upper section of the baffle (11), and a sealing cover (13) is bolted to the upper end of the filter tube (9).

2. A flexible composite pipe connection device according to claim 1, characterized in that: The stepped connection port (5) comprises a first connection port (501), one end of the first connection port (501) is welded to the surface of the third flange (4) away from the first flange (2), the inner wall of one side of the first connection port (501) is threadedly connected to the second connection port (502), the inner diameter of the second connection port (502) is smaller than that of the first connection port (501), the inner wall of one side of the second connection port (502) is threadedly connected to the third connection port (503), the inner diameter of the third connection port (503) is smaller than that of the second connection port (502), and the inner wall of the third connection port (503) away from the second connection port (502) is embedded with a thread.

3. The flexible composite pipe connection device according to claim 1, characterized in that: The outer ring surfaces of the first flange (2) and the second flange (3) are welded with bolt seats (201); the annular surfaces of the first flange (2) and the second flange (3) are arrayed with fixing bolts (202); the surface of the bolt seat (201) is provided with a hole; the fixing bolt (202) passes through the inside of the hole; the surface of the fixing bolt (202) is provided with a thread; the surface of the fixing bolt (202) is threadedly connected with a nut (203); the nut (203) is respectively located on the left and right sides of the bolt seat (201).

4. The flexible composite pipe connection device according to claim 1, characterized in that: A fixing sleeve (8) is welded to one end of the connecting pipe (7) away from the fourth flange (6), and a thread is embedded in the inner wall of the fixing sleeve (8).

5. The flexible composite pipe connection device according to claim 1, characterized in that: The corrugated pipe body (1) has a three-layer structure, comprising an inner corrosion-resistant rubber layer, a middle metal wire braided reinforcement layer, and an outer wear-resistant plastic layer.

6. The flexible composite pipe connection device according to claim 4, characterized in that: The fixed sleeve (8) is a medium input end.

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