Pipeline connecting structure

Abstract

The invention discloses a pipeline connecting structure which comprises a pipe fitting connector, the tail end of the pipe fitting connector is opened outwards to form a horn-mouth-shaped structure, the horn-mouth-shaped structure is sleeved with at least two flange connectors, connectors of the two flange connectors are in butt joint to form a circle, and the two flange connectors are fixed through a locking piece. A cavity is further formed between the flange connector and the pipe fitting connector. The design of the split type flange joint supports radial direct coating installation, the problem that a traditional integral flange needs to be sleeved with the end of a pipeline in the axial direction is thoroughly solved, rapid construction is achieved in limited narrow spaces, smaller than or equal to 15 cm, of a wall-attached pipeline, an equipment interlayer and the like, and the installation efficiency is greatly improved. The operation direction is reconstructed through a semicircular flange and a radial locking bolt, a fastening point is transferred to a lateral visible area from the blind area at the bottom of the pipeline, all locking can be completed through upright operation of a worker, the curled supine risk is completely eradicated, and the bolt fastening efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline construction, and in particular to a pipeline connection structure. Background Art

[0002] In industrial piping systems, flange connectors are widely used for quick connection between pipe sections and pipe fittings. Traditional integral flange connectors have obvious defects:

[0003] Bolt tightening operation is limited: The bolt holes of the integral flange are evenly distributed along the circumference. During installation, all bolts must be tightened in sequence along a 360° circle. However, in the following scenarios:

[0004] Bottom bolt blind spot: When the flange is close to the ground, equipment base, or the top of the pipe gallery, the bottom bolts are blocked, and the operating space is often less than 15 cm;

[0005] Tools cannot be used: Conventional wrenches require an angle of more than 30°, but in narrow environments, wrenches can only rotate slightly, resulting in a 3-5 times increase in the time required to tighten a single bolt.

[0006] Safety hazards: Workers need to curl up or lie on their backs to operate, which can easily cause muscle strain, and working near pressurized pipelines is extremely risky.

[0007] Industry status: Although tools such as universal joint wrenches have been introduced, they cannot solve the physical limitations of space and the cost of tools has increased by 50%. Summary of the Invention

[0008] The purpose of the present invention is to solve the problem of inconvenience in tightening the bolts at the bottom of the flange connector, and to provide a pipeline connection structure.

[0009] The purpose of the present invention can be achieved through the following technical solutions:

[0010] A pipeline connection structure includes a pipe joint, the tail end of the pipe joint is flared outward to form a trumpet-shaped structure, at least two flange joints are sleeved on the trumpet-shaped structure, the interfaces of the two flange joints are butt-jointed to form a circle, the two flange joints are fixed to each other by locking pieces, a cavity is also formed between the flange joint and the pipe joint, a sealing assembly is provided in the cavity, the sealing assembly includes a pressure cover and a sealing rubber, and the two flange joints can be brought close to each other by the locking piece to squeeze the pressure cover and the sealing rubber.

[0011] As a further solution of the present invention: a groove is provided on the inner wall of the flange joint, and the flange joint is clamped with the pipe joint through the groove.

[0012] As a further solution of the present invention: the pipe body is inserted into the pipe joint from the rear end thereof.

[0013] As a further solution of the present invention, the gland and the sealing rubber are squeezed against each other.

[0014] As a further solution of the present invention: the gland is made of a rigid material, and the inner wall slope of the flange joint can be squeezed and contacted with the sealing rubber and the gland to generate deformation for sealing.

[0015] As a further solution of the present invention: the bottom of the sealing rubber is a tooth-shaped structure.

[0016] As a further solution of the present invention, the contact surface between the flange joint and the pipe body is formed with multiple groups of anti-slip teeth protruding outward.

[0017] As a further solution of the present invention: the locking member is a locking bolt.

[0018] As a further solution of the present invention: the flange joint is semicircular in shape.

[0019] As a further solution of the present invention: a smart interface is also provided on the pipe body of the pipe joint.

[0020] Beneficial effects of the present invention:

[0021] Breaking through traditional installation limitations:

[0022] The split flange joint design supports radial direct wrapping installation, which completely solves the problem that traditional integral flanges require axial insertion of the pipe end. It enables rapid construction in extremely narrow spaces of ≤15cm, such as wall-mounted pipes and equipment mezzanines, and greatly improves installation efficiency.

[0023] Eliminate blind spots in bolt operation:

[0024] The semicircular flange + radial locking bolt reconstructs the operation direction, transferring the fastening point from the blind spot at the bottom of the pipe to the lateral visible area. Workers can complete all fastening operations while standing upright, eliminating the risk of curling up or lying on their backs, and improving bolt fastening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] Figure 1 It is a structural schematic diagram of the present invention;

[0027] Figure 2 is a side view of the present invention;

[0028] Figure 3 It is a schematic cross-sectional structure diagram of the present invention;

[0029] Figure 4 This is a schematic diagram of the disassembled structure of the flange joint in the present invention;

[0030] Figure 5 and Figure 6 It is a structural schematic diagram of the flange joint of the present invention.

[0031] In the figure: 1. Pipe fitting; 101. Smart interface; 2. Pipe body; 3. Flange joint; 301. Anti-slip teeth; 302. Grooves; 4. Gland; 5. Sealing rubber. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0033] See also Figure 1-6 As shown, the present invention is a pipe connection structure comprising a pipe joint 1, the tail end of which flares outward to form a bell-shaped structure. At least two flange joints 3 are sleeved onto the bell-shaped structure. The interfaces of the two flange joints 3 are butted together to form a circular shape. The two flange joints 3 are secured to each other by a locking member. A groove 302 is defined on the inner wall of each flange joint 3, through which the flange joint 3 engages with the pipe joint 1. The flange joint 3 is semicircular in shape.

[0034] A cavity is formed between the flange joint 3 and the pipe joint 1. A sealing assembly is disposed within the cavity, comprising a gland 4 and a sealing rubber 5. The two flange joints 3 can be brought together by the locking member to compress the gland 4 and sealing rubber 5. The gland 4 and sealing rubber 5 are mutually compressed. The gland is made of a rigid material, specifically carbon steel. The inclined inner wall of the flange joint 3 can contact and deform with the sealing rubber 5 and gland 4, thereby creating a seal. The bottom of the sealing rubber 5 has a tooth-like structure.

[0035] The locking piece is a locking bolt.

[0036] A groove 302 is formed on the inner wall of the flange joint 3 , and the flange joint 3 is engaged with the pipe joint 1 via the groove 302 .

[0037] The pipe body 2 is inserted into the pipe joint 1 from the rear end thereof.

[0038] The flexible sealing material enables the sealing ring to produce adaptive deformation when it is in compression contact with the outer wall of the tube body 2, thereby filling microscopic gaps.

[0039] In another embodiment, the tail end of the pipe joint 1 flares outward to form a bell-shaped structure, on which at least two flange joints 3 are mounted. The interfaces of the two flange joints 3 are connected to form a circular shape, and the two flange joints 3 are fixed to each other by a locking member. The inner wall of each flange joint 3 is provided with a groove 302, through which the flange joint 3 is clamped to the pipe joint 1. The flange joint 3 is semicircular in shape.

[0040] A cavity is formed between the flange joint 3 and the pipe joint 1. A sealing assembly is disposed within the cavity, comprising a gland 4 and a sealing rubber 5. The two flange joints 3 can be brought together by the locking member to compress the gland 4 and sealing rubber 5. The gland 4 and sealing rubber 5 are mutually compressed. The gland is made of a rigid material, specifically carbon steel. The inclined inner wall of the flange joint 3 can contact and deform with the sealing rubber 5 and gland 4, thereby creating a seal. The bottom of the sealing rubber 5 has a tooth-like structure.

[0041] The locking piece is a locking bolt.

[0042] A groove 302 is formed on the inner wall of the flange joint 3 , and the flange joint 3 is engaged with the pipe joint 1 via the groove 302 .

[0043] The pipe body 2 is inserted into the pipe joint 1 from the rear end thereof.

[0044] The flexible sealing material enables the sealing ring to produce adaptive deformation when it is in compression contact with the outer wall of the tube body 2, thereby filling microscopic gaps.

[0045] The contact surface between the flange joint 3 and the pipe body 2 is formed with multiple groups of anti-skid teeth 301. These anti-skid teeth 301 can increase the friction with the outer wall of the pipe body 2, further preventing the pipe body 2 from axially sliding and loosening after connection.

[0046] In another embodiment, a pipe connection structure includes a pipe joint 1, the tail end of which flares outward to form a bell-shaped structure. At least two flange joints 3 are sleeved on the bell-shaped structure. The interfaces of the two flange joints 3 are connected to form a circular shape. The two flange joints 3 are fixed to each other by a locking member. The inner wall of each flange joint 3 has a groove 302, and the flange joint 3 is engaged with the pipe joint 1 through the groove 302. The flange joint 3 is semicircular in shape.

[0047] A cavity is formed between the flange joint 3 and the pipe joint 1. A sealing assembly is disposed within the cavity, comprising a gland 4 and a sealing rubber 5. The two flange joints 3 can be brought together by the locking member to compress the gland 4 and sealing rubber 5. The gland 4 and sealing rubber 5 are mutually compressed. The gland is made of a rigid material, specifically carbon steel. The inclined inner wall of the flange joint 3 can contact and deform with the sealing rubber 5 and gland 4, thereby creating a seal. The bottom of the sealing rubber 5 has a tooth-like structure.

[0048] The locking piece is a locking bolt.

[0049] A groove 302 is formed on the inner wall of the flange joint 3 , and the flange joint 3 is engaged with the pipe joint 1 via the groove 302 .

[0050] The pipe body 2 is inserted into the pipe joint 1 from the rear end thereof.

[0051] The flexible sealing material enables the sealing ring to produce adaptive deformation when it is in compression contact with the outer wall of the tube body 2, thereby filling microscopic gaps.

[0052] The pipe body of the pipe joint 1 is also provided with a smart interface 101. The smart interface can be designed as follows:

[0053] Used to install pressure sensors to monitor the pressure in sealed chambers or pipelines in real time.

[0054] Used to install temperature sensors to monitor fluid temperature.

[0055] For mounting leak detection sensors such as humidity sensors and conductive probes.

[0056] Reserved electrical or data interfaces facilitate access to IoT systems for status monitoring and early warning. The interface form and purpose should be specifically described based on actual functional requirements.

[0057] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the claims of the present invention.

Claims

1. A pipe connection structure, comprising a pipe joint (1), characterized in that: The tail end of the pipe joint (1) is opened outward to form a trumpet-shaped structure, and at least two flange joints (3) are sleeved on the trumpet-shaped structure. The interfaces of the two flange joints (3) are connected to form a circle. The two flange joints (3) are fixed to each other by a locking member. A cavity is also formed between the flange joint (3) and the pipe joint (1). A sealing assembly is provided in the cavity. The sealing assembly includes a pressure cover (4) and a sealing rubber (5). The two flange joints (3) can be brought closer to each other by the locking member to squeeze the pressure cover (4) and the sealing rubber (5).

2. A pipeline connection structure according to claim 1, characterized in that: A groove (302) is provided on the inner wall of the flange joint (3), and the flange joint (3) is clamped with the pipe joint (1) via the groove (302).

3. A pipeline connection structure according to claim 1, characterized in that: The pipe body (2) is inserted into the pipe joint (1) from the rear end thereof.

4. A pipeline connection structure according to claim 1, characterized in that: The pressure cover (4) and the sealing rubber (5) are pressed against each other.

5. A pipeline connection structure according to claim 4, characterized in that: The gland is made of a rigid material, and the inner wall slope of the flange joint (3) can be squeezed and contacted with the sealing rubber (5) and the gland (4) to generate deformation for sealing.

6. A pipeline connection structure according to claim 5, characterized in that: The bottom of the sealing rubber (5) is a tooth-shaped structure.

7. A pipeline connection structure according to claim 1, characterized in that: The locking piece is a locking bolt.

8. The pipeline connection structure according to claim 1, characterized in that: The flange joint (3) is semicircular in shape.

9. A pipeline connection structure according to any one of claims 1 or 8, characterized in that: The contact surface between the flange joint (3) and the pipe body (2) is protruded outward to form a plurality of groups of anti-slip teeth (301).

10. A pipeline connection structure according to any one of claims 1 or 8, characterized in that: The pipe body of the pipe joint (1) is also provided with a smart interface (101).

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