Sealing joint

Abstract

The utility model relates to the technical field of sealing joints, and discloses a sealing joint, which solves the problems that the existing sealing joint cannot be extended, so that the sealing joint cannot be installed when the distance between the end parts of two pipelines is longer, and the use effect of the sealing joint is poor, and comprises a connecting pipe, movable sleeves are movably installed on the surfaces of the two ends of the connecting pipe; connecting flanges are fixedly mounted at the ends, away from each other, of the two movable sleeves, a plurality of connecting holes are annularly and fixedly formed in the surfaces of the connecting flanges at equal intervals, sealing rings are fixedly mounted on the inner walls of the two movable sleeves, and limiting rings are fixedly mounted at the two ends of the surface of a connecting pipe; an extension adjusting assembly is arranged between the connecting pipe and the surfaces of the two movable sleeves; the extension adjusting assembly comprises a connecting frame and three second mounting rods, and the connecting frame is fixedly mounted on one side of the connecting pipe; the sealing joint can be quickly extended, can still be mounted when the distance between the end parts of two pipelines is long, and has a very good use effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing joints, in particular to a sealing joint. Background Art

[0002] A sealing joint is a component used to connect two or more pipes, valves or equipment. Its main function is to ensure that the medium does not leak at the connection and can withstand a certain pressure. This joint is widely used in the chemical, petroleum, natural gas and other industries, as well as in scenarios where pipe openings are blocked during product sealing tests or operation tests. The existing patent (Announcement No.: CN219734536U) is a pipe sealing joint, which solves the problem that most pipe joints are threaded, and threaded pipes may loosen under the impact of water for a long time, thereby causing water seepage at the connection between the pipe and the pipe joint. However, the sealing joint cannot be extended, resulting in the inability to install when the distance between the ends of the two pipes is long, and its use effect is not good. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a sealing joint, which effectively solves the problem that the existing sealing joint cannot be extended, resulting in the inability to install when the distance between the ends of the two pipes is long and the poor use effect.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing joint, comprising a connecting pipe, movable sleeves are movably installed on the surfaces of both ends of the connecting pipe, connecting flanges are fixedly installed on the ends of the two movable sleeves away from each other, a plurality of connecting holes are fixedly installed in an annular shape at equal distances on the surfaces of the connecting flanges, sealing rings are fixedly installed on the inner walls of the two movable sleeves, limiting rings are fixedly installed on both ends of the surface of the connecting pipe, and an elongation adjustment component is provided between the surfaces of the connecting pipe and the two movable sleeves.

[0005] Preferably, the elongation adjustment assembly includes a connecting frame and three second mounting rods, the connecting frame is fixedly mounted on one side of the connecting tube, the three second mounting rods are fixedly mounted on the circumferential surface of the connecting tube, the three second mounting rods are distributed at 90° intervals on the circumferential surface of the connecting tube, a sliding rod is fixedly mounted on one end of the three second mounting rods away from the connecting tube, two sliding sleeves are sleeved on the surfaces of the three sliding rods, second fixing blocks are fixedly mounted on the surfaces of the six sliding sleeves, the six second fixing blocks are fixedly connected to the surfaces of the two movable sleeves, respectively, support bars are fixedly mounted on both sides of the connecting frame, and one end of the support bars is fixedly connected to the connecting tube.

[0006] Preferably, shaft seats are fixedly installed on the inner walls on both sides of the connecting frame, threaded rods are rotatably installed on the ends of the two shaft seats close to each other, a first shaft rod is fixedly installed between the ends of the two threaded rods close to each other, a first shaft sleeve is rotatably installed on one side of the surface of the first shaft rod, a first mounting rod is fixedly installed on the surface of the first shaft sleeve, one end of the first mounting rod is fixedly connected to the connecting pipe, threaded sleeves are threadedly connected on the surfaces of the two threaded rods, first fixing blocks are fixedly installed on the surfaces of the threaded sleeves, and one side of the first fixing block is fixedly connected to the movable sleeve.

[0007] Preferably, a first bevel gear is fixedly installed on the other side of the surface of the first shaft rod, a second bevel gear is meshingly connected to one side of the first bevel gear, a second shaft rod is fixedly installed on one side of the second bevel gear, a second sleeve is rotatably installed on the surface of the second shaft rod, the second sleeve is fixedly installed in the middle part of one side of the connecting frame, and a hand wheel is fixedly installed on one end of the second shaft rod.

[0008] Compared with the prior art, the utility model has the following beneficial effects: the operator drives the second shaft rod to rotate along the inside of the second shaft sleeve through the hand wheel, and when the second shaft rod rotates, the second bevel gear is driven to rotate through the first bevel gear, and the second bevel gear drives the first shaft rod to rotate along the inside of the first shaft sleeve, and when the first shaft rod rotates, the two threaded rods are driven to rotate along the two shaft seats, and when the two threaded rods rotate, the threaded sleeves on their surfaces are driven to move backwards;

[0009] When the two threaded sleeves move back and forth, the two movable sleeves are driven to move back and forth through the first fixed block. When the two movable sleeves move, the sliding sleeve is driven to slide along the surface of the sliding rod through the second fixed block, thereby increasing the stability of the two movable sleeves when moving. The two movable sleeves can be extended when moving back and forth, so that they can be connected to two pipes at a long distance. Then, the operator can connect the two movable sleeves to the two pipes through the cooperation of the connecting flange and the connecting hole, and the sealing ring can ensure the sealing effect. This allows the sealing joint to be extended quickly, and it can still be installed when the distance between the ends of the two pipes is long, and has a very good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0011] In the attached picture:

[0012] Figure 1 The utility model is a schematic diagram of the sealing joint structure Figure 1 ;

[0013] Figure 2 The utility model is a schematic diagram of the sealing joint structure Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the sealing joint of the utility model;

[0015] In the figure: 1. connecting pipe; 2. movable sleeve; 3. connecting flange; 4. connecting hole; 5. sealing ring; 6. limiting ring; 8. first mounting rod; 9. first bushing; 10. first shaft rod; 11. threaded rod; 12. shaft seat; 13. connecting frame; 14. support bar; 15. threaded sleeve; 16. first fixed block; 17. first bevel gear; 18. second bevel gear; 19. second shaft rod; 20. second bushing; 21. hand wheel; 22. second mounting rod; 23. sliding rod; 24. sliding sleeve; 25. second fixed block. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Depend on Figures 1 to 3 The utility model comprises a connecting pipe 1, on the surfaces of both ends of the connecting pipe 1 there are movable sleeves 2 mounted thereon, connecting flanges 3 are fixedly mounted on the ends of the two movable sleeves 2 which are away from each other, a plurality of connecting holes 4 are fixedly mounted thereon in an annular pattern at equal intervals, sealing rings 5 ​​are fixedly mounted on the inner walls of the two movable sleeves 2, limiting rings 6 are fixedly mounted on both ends of the surface of the connecting pipe 1, and an elongation adjustment component is provided between the surfaces of the connecting pipe 1 and the two movable sleeves 2.

[0018] The operator can drive the two movable sleeves 2 to move back and forth by adjusting the extension adjustment component. The two movable sleeves 2 can be extended when moving back and forth, so that they can be connected to two pipes at a long distance. Then the operator can connect the two movable sleeves 2 to the two pipes through the cooperation of the connecting flange 3 and the connecting hole 4. The sealing ring 5 can ensure the sealing effect; so that the sealing joint can be extended quickly and can still be installed when the distance between the ends of the two pipes is long, and has a very good use effect.

[0019] The elongation adjustment component includes a connecting frame 13 and three second mounting rods 22. The connecting frame 13 is fixedly mounted on one side of the connecting tube 1. The three second mounting rods 22 are fixedly mounted on the circumferential surface of the connecting tube 1. The three second mounting rods 22 are distributed at 90° intervals on the circumferential surface of the connecting tube 1. The ends of the three second mounting rods 22 away from the connecting tube 1 are fixedly mounted with sliding rods 23. The surfaces of the three sliding rods 23 are sleeved with two sliding sleeves 24. The surfaces of the six sliding sleeves 24 are fixedly mounted with second fixing blocks 25. The six second fixing blocks 25 are respectively fixedly connected to the surfaces of the two movable sleeves 2. Support bars 14 are fixedly mounted on both sides of the connecting frame 13, and one end of the support bars 14 is fixedly connected to the connecting tube 1; shaft seats 12 are fixedly mounted on the inner walls of both sides of the connecting frame 13, and threaded rods 11 are rotatably mounted on the ends of the two shaft seats 12 close to each other. The two threaded rods 1 A first shaft rod 10 is fixedly installed between the ends close to each other, a first sleeve 9 is rotatably installed on one side of the surface of the first shaft rod 10, a first mounting rod 8 is fixedly installed on the surface of the first sleeve 9, one end of the first mounting rod 8 is fixedly connected to the connecting pipe 1, and threaded sleeves 15 are threadedly connected to the surfaces of the two threaded rods 11, and first fixing blocks 16 are fixedly installed on the surfaces of the threaded sleeves 15, and one side of the first fixing blocks 16 is fixedly connected to the movable sleeve 2; a first bevel gear 17 is fixedly installed on the other side of the surface of the first shaft rod 10, a second bevel gear 18 is meshedly connected to one side of the first bevel gear 17, a second shaft rod 19 is fixedly installed on one side of the second bevel gear 18, a second sleeve 20 is rotatably installed on the surface of the second shaft rod 19, the second sleeve 20 is fixedly installed on the middle part of one side of the connecting frame 13, and a hand wheel 21 is fixedly installed on one end of the second shaft rod 19.

[0020] The operator drives the second shaft rod 19 to rotate along the inside of the second sleeve 20 through the hand wheel 21. When the second shaft rod 19 rotates, the second bevel gear 18 is driven to rotate through the first bevel gear 17. The second bevel gear 18 drives the first shaft rod 10 to rotate along the inside of the first sleeve 9. When the first shaft rod 10 rotates, it drives the two threaded rods 11 to rotate along the two shaft seats 12. When the two threaded rods 11 rotate, they both drive the threaded sleeves 15 on their surfaces to move backward. When the two threaded sleeves 15 move backward, they both drive the two movable sleeves 2 to move backward through the first fixed block 16. When the two movable sleeves 2 move, they both drive the sliding sleeve 24 to slide along the surface of the sliding rod 23 through the second fixed block 25, thereby increasing the stability of the two movable sleeves 2 when moving. When the two movable sleeves 2 move backward, they can be extended, so that they can be connected to two pipes at a long distance.

Claims

1. A sealing joint, comprising a connecting pipe (1), Features: The surfaces of both ends of the connecting pipe (1) are movably mounted with movable sleeves (2), the ends of the two movable sleeves (2) that are away from each other are fixedly mounted with connecting flanges (3), the surfaces of the connecting flanges (3) are fixedly mounted with a plurality of connecting holes (4) in an annular shape at equal intervals, the inner walls of the two movable sleeves (2) are fixedly mounted with sealing rings (5), both ends of the surface of the connecting pipe (1) are fixedly mounted with limiting rings (6), and an elongation adjustment component is provided between the surfaces of the connecting pipe (1) and the two movable sleeves (2).

2. A sealing joint according to claim 1, Features: The elongation adjustment component comprises a connecting frame (13) and three second mounting rods (22); the connecting frame (13) is fixedly mounted on one side of the connecting tube (1); the three second mounting rods (22) are fixedly mounted on the circumferential surface of the connecting tube (1); the three second mounting rods (22) are distributed at intervals of 90 degrees on the circumferential surface of the connecting tube (1); a sliding rod (23) is fixedly mounted on one end of the three second mounting rods (22) away from the connecting tube (1); two sliding sleeves (24) are sleeved on the surfaces of the three sliding rods (23); second fixing blocks (25) are fixedly mounted on the surfaces of the six sliding sleeves (24); the six second fixing blocks (25) are fixedly connected to the surfaces of the two movable sleeves (2), respectively; support bars (14) are fixedly mounted on both sides of the connecting frame (13); one end of the support bars (14) is fixedly connected to the connecting tube (1).

3. A sealing joint according to claim 2, Features: Axle seats (12) are fixedly installed on the inner walls of both sides of the connecting frame (13); threaded rods (11) are rotatably installed on the ends of the two axle seats (12) close to each other; a first shaft rod (10) is fixedly installed between the ends of the two threaded rods (11) close to each other; a first shaft sleeve (9) is rotatably installed on one side of the surface of the first shaft rod (10); a first mounting rod (8) is fixedly installed on the surface of the first shaft sleeve (9); one end of the first mounting rod (8) is fixedly connected to the connecting pipe (1); threaded sleeves (15) are threadedly connected on the surfaces of the two threaded rods (11); a first fixing block (16) is fixedly installed on the surface of the threaded sleeve (15); one side of the first fixing block (16) is fixedly connected to the movable sleeve (2).

4. A sealing joint according to claim 3, Features: A first bevel gear (17) is fixedly mounted on the other side of the surface of the first shaft rod (10); a second bevel gear (18) is meshingly connected to one side of the first bevel gear (17); a second shaft rod (19) is fixedly mounted on one side of the second bevel gear (18); a second shaft sleeve (20) is rotatably mounted on the surface of the second shaft rod (19); the second shaft sleeve (20) is fixedly mounted in the middle of one side of the connecting frame (13); and a hand wheel (21) is fixedly mounted on one end of the second shaft rod (19).

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