Flange pipe fitting with flange connecting structure

Abstract

The utility model relates to the technical field of flange pipe fittings, in particular to a flange pipe fitting with a flange connecting structure, which comprises a first pipe fitting, a flange plate arranged at the end part of the first pipe fitting, a second pipe fitting arranged at the end part of the first pipe fitting, and a flange plate arranged at the end part of the second pipe fitting; a connecting plate is arranged on the surface of the connecting ring, a jacking ring is arranged at the end of the connecting plate, an open groove is formed in the surface of the connecting plate, and an elastic plate is arranged in the open groove; the device has the beneficial effects that after the ends of a first pipe fitting and a second pipe fitting are in butt joint, a first screw rod penetrates through the surfaces of flange plates, the first pipe fitting and the second pipe fitting are fixedly connected through the flange plates on the surfaces of the first pipe fitting and the second pipe fitting, a connecting ring is rotated, so that the connecting ring rotates, the connecting rod moves in a moving ring, and a second screw rod is located in an open groove; and an elastic plate is arranged in the open groove, the second screw rod is clamped in the open groove through the elastic plate, and the second screw rod is screwed, so that the jacking plate is jacked on the connecting ring.

Description

Technical Field

[0001] The utility model relates to the field of flange pipe fittings, in particular to a flange pipe fitting with a flange connection structure. Background Art

[0002] Flange is also called flange or flange plate. Flange is a part that connects pipes to each other. It is connected to the pipe end. There are holes on the flange. Bolts connect the two flanges tightly. Gaskets are used to seal the flanges. Flanges are divided into threaded flanges and welding flanges. They connect pipes into pipelines.

[0003] However, the joints of flanges are generally exposed directly to the air. Long-term exposure to wind and sun will cause the sealing gaskets at the joints to harden and deform, affecting the sealing between the two sets of flanges and causing damage to the sealing between the pipe fittings. Utility Model Content

[0004] The purpose of the utility model is to provide a flange pipe fitting with a flange connection structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a flange pipe fitting with a flange connection structure, the flange pipe fitting with a flange connection structure comprising:

[0006] A first pipe fitting, an end of which is provided with a flange, a second pipe fitting is provided at an end of the first pipe fitting, and an end of the second pipe fitting is provided with a flange;

[0007] A connecting ring is provided with a connecting plate on its surface, a top holding ring is provided at the end of the connecting plate, a groove is provided on the surface of the connecting plate, and an elastic plate is provided inside the groove.

[0008] Preferably, a screw hole is opened on the surface of the flange, a first screw is inserted into the screw hole, a second screw is screwed to the end of the first screw, and a top holding plate is fixed to the end of the second screw.

[0009] Preferably, a movable ring is provided on the surface of the flange, a connecting rod is inserted in the movable ring, the connecting rod has a T-shaped cross section, the movable ring has a T-shaped cross section, and the end of the connecting rod can move in the movable ring.

[0010] Preferably, a spring is provided on the surface of the connecting rod, and one end of the spring is connected to the surface of the connecting ring.

[0011] The other end is connected to the end of the middle connecting rod.

[0012] Preferably, after the connecting ring is rotated, the second screw is located in the slot, and the second screw is screwed so that the supporting plate is supported on the surface of the connecting plate.

[0013] Preferably, after the connecting plate and the top holding ring are pushed and moved by the top holding plate, the ends of the two groups of top holding rings are held together.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] After the ends of the first pipe fitting and the second pipe fitting proposed by the utility model are butted, the first screw rod is passed through the surface of the flange plate, and the first pipe fitting and the second pipe fitting are fixedly connected through the flange plates on the surfaces of the first pipe fitting and the second pipe fitting, and the connecting ring is rotated to make the connecting ring rotate, and the connecting rod moves in the movable ring so that the second screw rod is located in the slot, and an elastic plate is provided in the slot, and the elastic plate clamps the second screw rod in the slot, and the second screw rod is screwed so that the top holding plate is held on the surface of the connecting ring, and the connecting ring moves with the second screw rod, and the connecting plate and the top holding ring move with the connecting ring, and the two groups of top holding rings are held together and located outside the flange plate, which protects the connection between the two groups of flange plates and delays the hardening and deformation of the sealing gasket between the two groups of flange plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a partial enlarged structural schematic diagram of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0019] In the figure: a first pipe fitting 1, a flange 2, a second pipe fitting 3, a connecting plate 4, a top holding ring 5, a first screw rod 6, a second screw rod 7, a top holding plate 8, a slot 9, a connecting ring 10, a movable ring 11, an elastic plate 12, a connecting rod 13, and a spring 14. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 3The utility model provides a technical solution: a flange pipe fitting with a flange connection structure, the flange pipe fitting with a flange connection structure comprising: a first pipe fitting 1, a flange 2 is arranged at the end of the first pipe fitting 1, a second pipe fitting 3 is arranged at the end of the first pipe fitting 1, a flange 2 is arranged at the end of the second pipe fitting 3; a connecting ring 10, a connecting plate 4 is arranged on the surface of the connecting ring 10, a top holding ring 5 is arranged at the end of the connecting plate 4, a groove 9 is opened on the surface of the connecting plate 4, an elastic plate 12 is arranged inside the groove 9, a second screw rod 7 is located in the groove 9, an elastic plate 12 is arranged in the groove 9, the elastic plate 12 clamps the second screw rod 7 in the groove 9, and the second screw rod 7 is screwed so that the top holding plate 8 is held on the surface of the connecting ring 10.

[0023] Embodiment 2

[0024] On the basis of Example 1, a screw hole is opened on the surface of the flange 2, and a first screw rod 6 is inserted into the screw hole. A second screw rod 7 is screwed to the end of the first screw rod 6, and a supporting plate 8 is fixed to the end of the second screw rod 7. The second screw rod 7 is screwed so that the supporting plate 8 is supported on the surface of the connecting ring 10. The connecting ring 10 moves with the second screw rod 7, and the connecting plate 4 and the supporting ring 5 move with the connecting ring 10.

[0025] A movable ring 11 is provided on the surface of the flange 2, and a connecting rod 13 is inserted in the movable ring 11. The cross-section of the connecting rod 13 is T-shaped, and the cross-section of the movable ring 11 is T-shaped. The end of the connecting rod 13 can move in the movable ring 11. The connecting rod 13 moves in the movable ring 11 so that the second screw rod 7 is located in the slot 9. An elastic plate 12 is provided in the slot 9, and the elastic plate 12 clamps the second screw rod 7 in the slot 9.

[0026] A spring 14 is provided on the surface of the connecting rod 13 , one end of the spring 14 is connected to the surface of the connecting ring 10 , and the other end is connected to the end of the middle connecting rod 13 .

[0027] Embodiment 3

[0028] On the basis of Example 2, after the connecting ring 10 rotates, the second screw 7 is located in the slot 9, the second screw 7 is screwed, and the holding plate 8 is held on the surface of the connecting plate 4. The elastic plate 12 clamps the second screw 7 in the slot 9, and the second screw 7 is screwed so that the holding plate 8 is held on the surface of the connecting ring 10.

[0029] After the connecting plate 4 and the top holding ring 5 are pushed and moved by the top holding plate 8, the ends of the two groups of top holding rings 5 ​​are held together, and the second screw 7 is screwed so that the top holding plate 8 is held on the surface of the connecting ring 10. The connecting ring 10 moves with the second screw 7, and the connecting plate 4 and the top holding ring 5 move with the connecting ring 10.

[0030] In actual use, after the ends of the first pipe fitting 1 and the second pipe fitting 3 are butt-jointed, the first screw 6 is passed through the surface of the flange 2, and the first pipe fitting 1 and the second pipe fitting 3 are fixedly connected through the flange 2 on the surfaces of the first pipe fitting 1 and the second pipe fitting 3, and the connecting ring 10 is rotated to make the connecting ring 10 rotate, and the connecting rod 13 moves in the movable ring 11, so that the second screw 7 is located in the slot 9, and an elastic plate 12 is provided in the slot 9. The elastic plate 12 clamps the second screw 7 in the slot 9, and the second screw 7 is screwed so that the top holding plate 8 is held on the surface of the connecting ring 10, and the connecting ring 10 moves with the second screw 7, and the connecting plate 4 and the top holding ring 5 move with the connecting ring 10. The two groups of top holding rings 5 ​​are held together and are located outside the flange 2, which protects the connection between the two groups of flanges 2 and delays the hardening and deformation of the sealing gasket between the two groups of flanges 2.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flange pipe fitting with a flange connection structure, characterized in that: The flange pipe fitting having a flange connection structure comprises: A first pipe fitting (1), the end of which is provided with a flange (2), a second pipe fitting (3) is provided at the end of the first pipe fitting (1), and the end of the second pipe fitting (3) is provided with a flange (2); A connecting ring (10) is provided with a connecting plate (4) on the surface of the connecting ring (10), a top holding ring (5) is provided at the end of the connecting plate (4), a groove (9) is provided on the surface of the connecting plate (4), and an elastic plate (12) is provided inside the groove (9).

2. The flange pipe fitting with a flange connection structure according to claim 1, characterized in that: The surface of the flange (2) is provided with a screw hole, a first screw rod (6) is inserted into the screw hole, a second screw rod (7) is screwed to the end of the first screw rod (6), and a top holding plate (8) is fixed to the end of the second screw rod (7).

3. The flange pipe fitting with a flange connection structure according to claim 2, characterized in that: A movable ring (11) is provided on the surface of the flange (2), a connecting rod (13) is inserted into the movable ring (11), the cross section of the connecting rod (13) is T-shaped, the cross section of the movable ring (11) is T-shaped, and the end of the connecting rod (13) can move in the movable ring (11).

4. The flange pipe fitting with a flange connection structure according to claim 3, characterized in that: A spring (14) is provided on the surface of the connecting rod (13), one end of the spring (14) is connected to the surface of the connecting ring (10), and the other end is connected to the end of the middle connecting rod (13).

5. The flange pipe fitting with a flange connection structure according to claim 4, characterized in that: After the connecting ring (10) rotates, the second screw rod (7) is located in the slot (9), and the second screw rod (7) is screwed, so that the supporting plate (8) is supported on the surface of the connecting plate (4).

6. The flange pipe fitting with a flange connection structure according to claim 5, characterized in that: After the connecting plate (4) and the top holding ring (5) are pushed and moved by the top holding plate (8), the ends of the two groups of top holding rings (5) are held together.

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