Flange plate with high sealing performance

Abstract

The utility model relates to the technical field of flange plates, in particular to a high-sealing-performance flange plate which comprises two flange plate bodies. Connecting holes are formed in the outer walls of the two flange plate bodies, and the two flange plate bodies are connected in the mode that the connecting holes are matched with fixing bolts. A first annular groove and a second annular groove are formed in the opposite ends of the two flange plate bodies, a first sealing strip is installed in the first annular groove, and a second sealing strip is installed in the second annular groove. The first sealing strip and the second sealing strip do not deviate or loosen, so that the sealing performance of the two flange plate bodies is improved, the first sealing strip and the second sealing strip are arranged, the two flange plate bodies have double sealing guarantee, and the sealing performance of the two flange plate bodies is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a high-sealability flange. Background Art

[0002] Flange is a general term for a plate-shaped metal body with several holes for fixing around it for connecting other things. It is widely used in machinery.

[0003] In order to ensure the sealing performance of the existing flange, a sealing strip is usually provided on the inner side of the flange. However, the existing sealing strip lacks corresponding fixation, so that the sealing strip is prone to deviation or loosening during the flange connection process, which seriously affects the sealing performance of the flange.

[0004] Therefore, a high sealing flange is proposed. Utility Model Content

[0005] The utility model aims to provide a flange with high sealing performance.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-sealability flange, comprising:

[0008] Two flange bodies;

[0009] The outer walls of the two flange bodies are provided with connection holes, and the two flange bodies are connected through the connection holes and fixing bolts;

[0010] The two flange bodies are provided with a first annular groove and a second annular groove at opposite ends thereof, wherein a first sealing strip is installed in the first annular groove and a second sealing strip is installed in the second annular groove;

[0011] The two flange bodies are provided with connecting grooves at opposite ends thereof, and the connecting grooves respectively penetrate the first annular groove and the second annular groove;

[0012] A first clamping hole is formed on the outer wall of the first sealing strip, and a second clamping hole is formed on the outer wall of the second sealing strip;

[0013] A connecting plate is fixed in the connecting groove, a first telescopic rod is fixed at one end of the connecting plate, and one end of the first telescopic rod is clamped in the first clamping hole;

[0014] A second telescopic rod is fixed to the other end of the connecting plate, and one end of the second telescopic rod is clamped in the second clamping hole.

[0015] Preferably, a first auxiliary plate is fixed on the outer wall of the first telescopic rod, and a second auxiliary plate is fixed on the outer wall of the second telescopic rod.

[0016] Preferably, a first compression spring is provided on the outer wall of the first telescopic rod, one end of the first compression spring is fixed to the first auxiliary plate, and the other end of the first compression spring is fixed to the connecting plate.

[0017] Preferably, a second compression spring is provided on the outer wall of the second telescopic rod, one end of the second compression spring is fixed to the second auxiliary plate, and the other end of the second compression spring is fixed to the connecting plate.

[0018] Preferably, one end of the flange body is butted against an abutment bar, one end of the abutment bar is fixed with a threaded rod, and a fixing plate is movably provided on the outer wall of the threaded rod;

[0019] One end of the fixing plate is in contact with another flange body.

[0020] Preferably, a limiting ring is threadedly connected to the outer wall of the threaded rod, and one end of the limiting ring abuts against the fixing plate.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model places the first sealing strip in the first annular groove, and then drives the first telescopic rod to stretch under the elastic force of the first compression spring, and when one end of the first telescopic rod is clamped into the first clamping hole, the first sealing strip can be fixed;

[0023] Similarly, by placing the second sealing strip into the second annular groove, the second telescopic rod is driven to stretch under the elastic force of the second compression spring, and when one end of the second telescopic rod is engaged in the second clamping hole, the second sealing strip can be fixed;

[0024] In summary, compared with the existing ones, the utility model fixes the first sealing strip and the second sealing strip so that when the two flange bodies are connected, the first sealing strip and the second sealing strip will not be offset or loosened, thereby improving the sealing of the two flange bodies. Moreover, by providing the first sealing strip and the second sealing strip, the two flange bodies have double sealing protection, further improving the sealing of the two flange bodies.

[0025] The utility model abuts one end of the abutment strip against one of the flange bodies and then rotates the limiting ring. At this time, the limiting ring drives the fixing plate to move on the outer wall of the threaded rod. After one end of the fixing plate abuts against the other flange body, the two flange bodies can be fixed with the cooperation of the threaded rod, the fixing plate, the abutment strip and the limiting ring, thereby preventing the connection between the two flange bodies from loosening and indirectly improving the sealing of the two flange bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the connection structure of the first sealing strip and the second sealing strip of the utility model;

[0028] Figure 3 It is a schematic diagram of the structure of the threaded rod, the fixing plate, the abutment strip and the limiting ring in the utility model;

[0029] Figure 4 It is a schematic diagram of the connection structure of two flange bodies in the utility model.

[0030] In the figure: 1. flange body; 2. connecting hole; 3. fixing bolt; 4. first annular groove; 5. first sealing strip; 6. second annular groove; 7. second sealing strip; 8. connecting groove; 9. connecting plate; 10. second telescopic rod; 11. second clamping hole; 12. second auxiliary plate; 13. second compression spring; 14. first telescopic rod; 15. first clamping hole; 16. first compression spring; 17. first auxiliary plate; 18. abutting strip; 19. threaded rod; 20. fixing plate; 21. limiting ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] Embodiment 1:

[0034] See also Figure 1 , 24. The utility model provides a technical solution: To achieve the above-mentioned purpose, the utility model provides the following technical solution: A high-sealing flange, comprising: two flange bodies 1; connecting holes 2 are provided on the outer walls of the two flange bodies 1, and the two flange bodies 1 are connected through the connecting holes 2 and the fixing bolts 3; the two flange bodies 1 are provided with a first annular groove 4 and a second annular groove 6 at the opposite ends thereof, wherein a first sealing strip 5 is installed in the first annular groove 4, and a second sealing strip 7 is installed in the second annular groove 6; the two flange bodies 1 are provided with a connecting groove 8 at the opposite ends thereof, and the connecting groove 8 passes through the first annular groove 4 and the second annular groove 6 respectively; a first clamping hole 15 is provided on the outer wall of the first sealing strip 5, and a second clamping hole 15 is provided on the outer wall of the second sealing strip 7 1; a connecting plate 9 is fixed in the connecting groove 8, a first telescopic rod 14 is fixed at one end of the connecting plate 9, and one end of the first telescopic rod 14 is clamped in the first clamping hole 15; a second telescopic rod 10 is fixed at the other end of the connecting plate 9, and one end of the second telescopic rod 10 is clamped in the second clamping hole 11, a first auxiliary plate 17 is fixed on the outer wall of the first telescopic rod 14, a second auxiliary plate 12 is fixed on the outer wall of the second telescopic rod 10, a first compression spring 16 is provided on the outer wall of the first telescopic rod 14, one end of the first compression spring 16 is fixed to the first auxiliary plate 17, and the other end of the first compression spring 16 is fixed to the connecting plate 9, a second compression spring 13 is provided on the outer wall of the second telescopic rod 10, one end of the second compression spring 13 is fixed to the second auxiliary plate 12, and the other end of the second compression spring 13 is fixed to the connecting plate 9.

[0035] Specifically, the utility model places the first sealing strip 5 into the first annular groove 4, and then the first telescopic rod 14 is driven to stretch under the elastic force of the first compression spring 16, and when one end of the first telescopic rod 14 is clamped into the first clamping hole 15, the first sealing strip 5 can be fixed;

[0036] Similarly, by placing the second sealing strip 7 into the second annular groove 6, the second telescopic rod 10 is driven to perform a stretching movement under the elastic force of the second compression spring 13, and when one end of the second telescopic rod 10 is clamped into the second clamping hole 11, the second sealing strip 7 can be fixed;

[0037] In summary, compared with the existing ones, the utility model fixes the first sealing strip 5 and the second sealing strip 7 so that when the two flange bodies 1 are connected, the first sealing strip 5 and the second sealing strip 7 will not be offset or loosened, thereby improving the sealing of the two flange bodies 1. Moreover, by providing the first sealing strip 5 and the second sealing strip 7, the two flange bodies 1 have double sealing protection, further improving the sealing of the two flange bodies 1.

[0038] Embodiment 2:

[0039] See also Figure 1 , 3 The utility model provides a technical solution: a high-sealing flange, one end of a flange body 1 is abutted with an abutting strip 18, one end of the abutting strip 18 is fixed with a threaded rod 19, and a fixing plate 20 is movably penetrated on the outer wall of the threaded rod 19; one end of the fixing plate 20 abuts with another flange body 1, and a limiting ring 21 is threadedly connected on the outer wall of the threaded rod 19, and one end of the limiting ring 21 abuts with the fixing plate 20.

[0040] Specifically, the utility model abuts one end of the abutment strip 18 against one of the flange bodies 1 and then rotates the limiting ring 21. At this time, the limiting ring 21 will drive the fixing plate 20 to move on the outer wall of the threaded rod 19. After one end of the fixing plate 20 abuts against the other flange body 1, the two flange bodies 1 can be fixed with the cooperation of the threaded rod 19, the fixing plate 20, the abutment strip 18 and the limiting ring 21 to prevent the connection between the two flange bodies 1 from loosening, thereby indirectly improving the sealing of the two flange bodies 1.

[0041] Working principle:

[0042] First, the first sealing strip 5 is placed in the first annular groove 4, and then the first telescopic rod 14 is driven to stretch under the elastic force of the first compression spring 16. When one end of the first telescopic rod 14 is clamped into the first clamping hole 15, the first sealing strip 5 can be fixed;

[0043] Similarly, by placing the second sealing strip 7 into the second annular groove 6, the second telescopic rod 10 is driven to perform a stretching movement under the elastic force of the second compression spring 13, and when one end of the second telescopic rod 10 is clamped into the second clamping hole 11, the second sealing strip 7 can be fixed;

[0044] Secondly, by abutting one end of the abutment strip 18 against one of the flange bodies 1 and then rotating the limiting ring 21, the limiting ring 21 will drive the fixing plate 20 to move on the outer wall of the threaded rod 19. After one end of the fixing plate 20 abuts against the other flange body 1, the two flange bodies 1 can be fixed with the cooperation of the threaded rod 19, the fixing plate 20, the abutment strip 18 and the limiting ring 21 to prevent the connection between the two flange bodies 1 from loosening, thereby indirectly improving the sealing of the two flange bodies 1.

[0045] In the description of the present invention, it should be understood that the terms "center", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0046] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high sealing flange, characterized in that: include: Two flange bodies (1); The outer walls of the two flange bodies (1) are each provided with a connection hole (2), and the two flange bodies (1) are connected via the connection hole (2) and the fixing bolts (3); The two flange bodies (1) are provided with a first annular groove (4) and a second annular groove (6) at opposite ends thereof, wherein a first sealing strip (5) is installed in the first annular groove (4) and a second sealing strip (7) is installed in the second annular groove (6); The two flange bodies (1) are each provided with a connecting groove (8) at the opposite ends thereof, and the connecting groove (8) respectively penetrates the first annular groove (4) and the second annular groove (6); A first clamping hole (15) is provided on the outer wall of the first sealing strip (5), and a second clamping hole (11) is provided on the outer wall of the second sealing strip (7); A connecting plate (9) is fixed in the connecting groove (8), a first telescopic rod (14) is fixed at one end of the connecting plate (9), and one end of the first telescopic rod (14) is clamped in the first clamping hole (15); A second telescopic rod (10) is fixed to the other end of the connecting plate (9), and one end of the second telescopic rod (10) is clamped inside the second clamping hole (11).

2. A high sealing flange according to claim 1, characterized in that: A first auxiliary plate (17) is fixed on the outer wall of the first telescopic rod (14), and a second auxiliary plate (12) is fixed on the outer wall of the second telescopic rod (10).

3. A high sealing flange according to claim 2, characterized in that: A first compression spring (16) is provided on the outer wall of the first telescopic rod (14); one end of the first compression spring (16) is fixed to the first auxiliary plate (17); and the other end of the first compression spring (16) is fixed to the connecting plate (9).

4. A high sealing flange according to claim 2, characterized in that: A second compression spring (13) is provided on the outer wall of the second telescopic rod (10); one end of the second compression spring (13) is fixed to the second auxiliary plate (12); and the other end of the second compression spring (13) is fixed to the connecting plate (9).

5. A high sealing flange according to claim 1, characterized in that: One end of the flange body (1) is butted against an abutment strip (18), one end of the abutment strip (18) is fixed with a threaded rod (19), and a fixing plate (20) is movably provided on the outer wall of the threaded rod (19); One end of the fixing plate (20) is in contact with another flange body (1).

6. A high sealing flange according to claim 5, characterized in that: A limiting ring (21) is threadedly connected to the outer wall of the threaded rod (19), and one end of the limiting ring (21) is in contact with the fixing plate (20).

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