Flange connecting structure capable of being folded and fixed

Abstract

The utility model provides a flange connecting structure capable of being folded and fixed. According to the technical scheme, the flange connecting structure comprises a flange plate and a flange neck arranged on the flange plate; a fixed end is arranged at the end part of the flange neck; the fixed end is rotationally connected with a connecting end; the fixed end is communicated with the connecting end; the connecting end is connected with a connecting pipe; the connecting end and the fixing end are sleeved with a fixing sleeve. The wall thickness of the flange neck is increased from the upper end to the lower end; the upper end of the flange neck and the fixed end are integrally arranged; the fixed end comprises a connecting ring; an external thread is arranged on the peripheral surface of the connecting ring; a first supporting platform is arranged on the end face of the fixed end. A semicircular first communicating pipe is arranged on the first supporting platform; the first communicating pipe is communicated with the flange neck; two connecting plates which are oppositely arranged are arranged on the first supporting platform; the connecting device has the beneficial effects of being convenient to connect, convenient to fold and fix, high in sealing performance and convenient to use.

Description

Technical Field

[0001] This application relates to the field of flange technology, and in particular to a foldable and fixed flange connection structure. Background Technology

[0002] Flange connections are a widely used detachable connection method in industries such as chemical, machinery, shipbuilding, and energy. They primarily achieve sealing by tightening gaskets with bolts, and are characterized by their simple structure, convenient assembly and disassembly, and ease of maintenance. However, in specific application scenarios, such as those with limited space or stringent transportation requirements, traditional flange connection structures are insufficient. Therefore, developing a foldable and secure flange connection structure is of great significance. Utility Model Content

[0003] The purpose of this application is to provide a foldable and fixed flange connection structure to solve the technical problem that the prior art is inconvenient to use in certain situations.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows: a foldable and fixed flange connection structure is provided, including a flange and a flange neck disposed on the flange; a fixed end is provided at the end of the flange neck; a connecting end is rotatably connected to the fixed end; the fixed end and the connecting end are in communication; a connecting pipe is connected to the connecting end; and a fixing sleeve is provided on the connecting end and the fixed end.

[0005] By setting up the above technical solution and connecting them in a folding manner, when the flange connection structure contains objects that are easy to fold, such as pipelines, the folding condition is met, the line is constrained, and it is convenient to use. If it is connected to liquid, it can also facilitate cleaning. In specific situations such as limited space and transportation requirements, it has unexpected ease of use. The effect of the fixing sleeve is mainly to fix it, which facilitates the fixed connection of the fixing end and the connection end.

[0006] Optionally, the wall thickness of the flange neck increases from the upper end to the lower end; the upper end of the flange neck is integrally formed with the fixed end; the fixed end includes a connecting ring; the outer circumferential surface of the connecting ring is provided with an external thread; a first support platform is provided on the end face of the fixed end; a semi-circular first connecting pipe is provided on the first support platform; the first connecting pipe communicates with the flange neck; two oppositely arranged connecting plates are provided on the first support platform; the connecting plates and the connecting end are rotatably connected by a pin.

[0007] With the above technical solution, the flange neck and flange are existing technologies and can be detachably fixed to the object by screws. The setting of the fixed end and the connecting end facilitates the rotation of the connected object that cooperates with the connecting pipe. The first support platform is a plane.

[0008] Optionally, the connecting end includes a limiting ring disposed at the end of the connecting pipe; the connecting end also includes a second support platform disposed on the end face; a semi-circular second connecting pipe is disposed on the second support platform; the second connecting pipe communicates with the connecting pipe; an intermediate plate is disposed on the second support platform; the intermediate plate is located between two connecting plates, and the connecting plate and the intermediate plate are rotatably connected by a pin.

[0009] With the above technical solution, the second connecting pipe and the first connecting pipe are flexibly configured so that fluid can flow between them after docking. The intermediate plate and the connecting plate are rotatably connected by a pin, which allows for easy rotation and facilitates the separation and closure of the second connecting pipe and the first connecting pipe.

[0010] Optionally, the first connecting pipe is provided with a positioning notch; the second connecting pipe is provided with a positioning protrusion; the positioning protrusion and the positioning notch are interlocked.

[0011] The above technical solution, with its positioning notch and protrusion, facilitates the positioning of the second and first connecting pipes and prevents the pin from loosening under excessive external force.

[0012] Optionally, the fixing sleeve includes an annular body; a plurality of strip-shaped protrusions are provided on the outer peripheral surface of the body; a limiting inner ring is provided inside the body to cooperate with the limiting ring for limiting; and an internal thread is provided inside the body to be threadedly connected to the connecting ring.

[0013] With the above technical solution, the fixing sleeve is set as a tube, and the inner limiting ring and the limiting ring limit each other to fix the connecting tube. The strip protrusion can increase the friction.

[0014] Optionally, the flange is provided with a plurality of mounting holes; the outer circumferential surface of the connecting pipe is provided with a plurality of annular grooves; the first connecting pipe and the second connecting pipe are flexibly arranged.

[0015] With the above technical solution, the mounting hole is an existing technology, the annular groove can increase the friction, the first and second connecting pipes are elastically connected, the gap between the connection is small, and the sealing is strong.

[0016] The beneficial effects of this application are as follows: Compared with the prior art, the foldable and fixed flange connection structure provided by this application has the advantages of convenient connection, easy folding and fixing, strong sealing performance, and ease of use. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of an embodiment of this application;

[0019] Figure 2 This is a schematic diagram of an embodiment of this application (the fixing sleeve is not shown);

[0020] Figure 3 This is a cross-sectional view of an embodiment of this application;

[0021] Figure 4 This is a schematic diagram of the structure after the connecting end of the embodiment of this application is rotated.

[0022] The reference numerals in the figures are as follows: 1. Flange; 2. Flange neck; 3. Connecting pipe; 4. Fixing sleeve; 5. Connecting ring; 6. First support platform; 7. First connecting pipe; 8. Connecting plate; 9. Limiting ring; 10. Second support platform; 11. Second connecting pipe; 12. Intermediate plate; 13. Positioning notch; 14. Positioning protrusion; 15. Body; 16. Strip protrusion; 17. Limiting inner ring; 18. Mounting hole; 19. Annular groove. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with specific embodiments.

[0024] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "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 application 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 application.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" means two or more, unless otherwise explicitly specified.

[0027] like Figures 1 to 4 As shown, the purpose of this application embodiment is to provide a foldable and fixed flange connection structure to solve the technical problem that existing technologies are inconvenient to use in certain situations. To achieve the above objective, the technical solution adopted in this application is: to provide a foldable and fixed flange connection structure, including a flange 1 and a flange neck 2 disposed on the flange 1; a fixed end is provided at the end of the flange neck 2; a connecting end is rotatably connected to the fixed end; the fixed end and the connecting end communicate with each other; a connecting pipe 3 is connected to the connecting end; and a fixing sleeve 4 is provided over the connecting end and the fixed end.

[0028] With the above technical solution, the connection is made by folding. When the flange connection structure contains objects that are easy to fold, such as pipelines, the folding condition is met, the line is constrained, and it is convenient to use. If it is connected to liquid, it can also facilitate cleaning. In specific situations such as limited space and transportation requirements, it has unexpected ease of use. The effect of the fixing sleeve 4 is mainly to fix it, which facilitates the fixed connection of the fixing end and the connection end.

[0029] Optionally, the wall thickness of the flange neck 2 increases from the upper end to the lower end; the upper end of the flange neck 2 is integrally formed with the fixed end; the fixed end includes a connecting ring 5; the outer circumferential surface of the connecting ring 5 is provided with external threads; a first support platform 6 is provided on the end face of the fixed end; a semi-circular first connecting pipe 7 is provided on the first support platform 6; the first connecting pipe 7 communicates with the flange neck 2; two oppositely arranged connecting plates 8 are provided on the first support platform 6; the connecting plates 8 are rotatably connected to the connecting end by a pin.

[0030] With the above technical solution, the flange neck 2 and flange 1 are existing technologies and can be detachably fixed to the object by screws. The setting of the fixed end and the connecting end facilitates the rotation of the connected object that cooperates with the connecting pipe 3. The first support platform 6 is a plane.

[0031] Optionally, the connecting end includes a limiting ring 9 disposed at the end of the connecting pipe 3; the connecting end also includes a second support platform 10 disposed on the end face; a semi-circular second connecting pipe 11 is disposed on the second support platform 10; the second connecting pipe 11 communicates with the connecting pipe 3; an intermediate plate 12 is disposed on the second support platform 10; the intermediate plate 12 is located between two connecting plates 8, and the connecting plate 8 and the intermediate plate are rotatably connected by a pin.

[0032] With the above technical solution, the second connecting pipe 11 and the first connecting pipe 7 are flexibly arranged so that fluid can flow between them after docking. The intermediate plate 12 and the connecting plate 8 are rotatably connected by a pin so that they can be rotated easily, facilitating the separation and closing of the second connecting pipe 11 and the first connecting pipe 7.

[0033] Optionally, the first connecting pipe 7 is provided with a positioning notch 13; the second connecting pipe 11 is provided with a positioning protrusion 14; the positioning protrusion 14 and the positioning notch 13 are inserted into each other.

[0034] The above technical solution, with its positioning notch 13 and positioning protrusion 14, facilitates the positioning of the second connecting pipe 11 and the first connecting pipe 7, preventing the pin from loosening under excessive external force.

[0035] Optionally, the fixing sleeve 4 includes an annular body 15; a plurality of strip-shaped protrusions 16 are provided on the outer circumferential surface of the body 15; a limiting inner ring 17 is provided inside the body 15 to cooperate with the limiting ring 9 for limiting; and an internal thread is provided inside the body 15 to be threadedly connected to the connecting ring 5.

[0036] With the above technical solution, the fixing sleeve 4 is set as a tube, and the limiting inner ring 17 and the limiting ring 9 limit each other to fix the connecting tube 3. The strip protrusion 16 can increase the friction force.

[0037] Optionally, the flange 1 is provided with a plurality of mounting holes 18; the outer circumferential surface of the connecting pipe 3 is provided with a plurality of annular grooves 19; the first connecting pipe 7 and the second connecting pipe 11 are flexibly arranged.

[0038] With the above technical solution, the mounting hole 18 is existing technology, the annular groove 19 can increase the friction, the elastically set first connecting pipe 7 and second connecting pipe 11 elastically abut against each other, the gap between the connection is small and the sealing is strong.

[0039] The beneficial effects of this application are as follows: Compared with the prior art, the foldable and fixed flange connection structure provided by this application has the advantages of convenient connection, easy folding and fixing, strong sealing performance, and ease of use.

[0040] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this application (including the claims) is limited to these examples; within the framework of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of this application as described above, which are not provided in the details for the sake of brevity.

[0041] This application is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A foldable and fixed flange connection structure, characterized in that: It includes a flange (1) and a flange neck (2) disposed on the flange (1); the flange neck (2) is provided with a fixed end; the fixed end is rotatably connected to a connecting end; the fixed end and the connecting end are connected; the connecting end is connected to a connecting pipe (3); the connecting end and the fixed end are covered with a fixing sleeve (4).

2. The foldable and fixed flange connection structure according to claim 1, characterized in that: The flange neck (2) has an increased wall thickness from the upper end to the lower end; the upper end of the flange neck (2) is integrally formed with the fixed end; the fixed end includes a connecting ring (5); the outer circumferential surface of the connecting ring (5) is provided with an external thread; a first support platform (6) is provided on the end face of the fixed end; a semi-circular first connecting pipe (7) is provided on the first support platform (6); the first connecting pipe (7) communicates with the flange neck (2); two oppositely arranged connecting plates (8) are provided on the first support platform (6); the connecting plates (8) are rotatably connected to the connecting end by a pin.

3. The foldable and fixed flange connection structure according to claim 2, characterized in that: The connecting end includes a limiting ring (9) disposed at the end of the connecting pipe (3); the connecting end also includes a second support platform (10) disposed on the end face; a semi-circular second connecting pipe (11) is disposed on the second support platform (10); the second connecting pipe (11) is connected to the connecting pipe (3); an intermediate plate (12) is disposed on the second support platform (10); the intermediate plate (12) is located between two connecting plates (8), and the connecting plate (8) and the intermediate plate are rotatably connected by a pin.

4. The foldable and fixed flange connection structure according to claim 3, characterized in that: The first connecting pipe (7) is provided with a positioning notch (13); the second connecting pipe (11) is provided with a positioning protrusion (14); the positioning protrusion (14) and the positioning notch (13) are inserted into each other.

5. The foldable and fixed flange connection structure according to claim 4, characterized in that: The fixing sleeve (4) includes an annular body (15); a plurality of strip-shaped protrusions (16) are provided on the outer circumferential surface of the body (15); a limiting inner ring (17) is provided inside the body (15) to cooperate with the limiting ring (9) for limiting; and an internal thread is provided inside the body (15) to be threadedly connected to the connecting ring (5).

6. The foldable and fixed flange connection structure according to claim 5, characterized in that: The flange (1) is provided with a plurality of mounting holes (18); the outer circumferential surface of the connecting pipe (3) is provided with a plurality of annular grooves (19); the first connecting pipe (7) and the second connecting pipe (11) are flexibly arranged.

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