Connecting and sealing mechanism for corrugated pipe compensator

Abstract

The utility model relates to the technical field of corrugated pipe compensators, in particular to a connecting and sealing mechanism for a corrugated pipe compensator, which comprises a corrugated pipe compensator main body, two ends of the corrugated pipe compensator main body are connected with end connecting pipes, one end of each end connecting pipe is provided with an external connecting pipe, and connecting pipes are respectively arranged between the two end connecting pipes and the adjacent external connecting pipes; the outer wall of the connecting pipe is in threaded connection with the inner wall of the sleeving pipe, so that one end of the connecting pipe is conveniently connected with the end connecting pipe, the other end of the connecting pipe is conveniently connected with the external connecting pipe through the bolt installed on the outer wall of the external connecting pipe in a threaded mode, and operation is easy and convenient; the sealing effect of the connecting position of the connecting pipe, the sleeving pipe and the end connecting pipe is enhanced conveniently, the sealing performance of the connecting position of the connecting pipe and the external connecting pipe is improved conveniently through the sealing rings and the sealing rings arranged in the inserting grooves, the sealing performance of the connecting position of the corrugated pipe compensator is good, and normal use of the corrugated pipe compensator is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows compensators, in particular to a bellows compensator connection sealing mechanism. Background Art

[0002] Bellows compensator is a kind of compensating element. It utilizes the effective expansion and contraction of its working body, the bellows, to absorb the dimensional changes of pipelines, ducts, containers, etc. caused by thermal expansion and contraction, or to compensate for the axial, lateral and angular displacement of pipelines, ducts, containers, etc. It is widely used in modern industry.

[0003] In the prior art, when the bellows compensator is connected to an external pipeline, a flange connection is usually directly used between the end pipe and the external pipe, but the connection operation is relatively cumbersome, and the sealing performance of the bellows compensator connection is average, which affects its normal use. To this end, we propose a bellows compensator connection sealing mechanism. Utility Model Content

[0004] The utility model aims to provide a bellows compensator connection sealing mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a bellows compensator connection sealing mechanism, the bellows compensator connection sealing mechanism comprising: a bellows compensator body, both ends of the bellows compensator body are connected with end pipes, one end of the two end pipes is installed with an external pipe, and connecting pipes are respectively arranged between the two end pipes and the adjacent external pipes;

[0006] The two connecting pipes are provided with sealing grooves at one end close to the end pipe, sealing sleeves are installed inside the two sealing grooves, and the outer walls of the two connecting pipes are threadedly connected with sleeve pipes;

[0007] The two connecting pipes are each provided with a plug-in groove at one end close to the external pipe, and sealing rings are provided on the inner side walls of the two plug-in grooves. One end of the two external pipes is inserted into the adjacent plug-in groove and connected with a sealing ring, and bolts are threadedly installed on the outer wall of one end of the two external pipes close to the connecting pipe.

[0008] Preferably, one end of the two end pipes is fixedly connected to the bellows compensator body, the other end outer walls of the two end pipes are provided with external threads, and the two sleeve pipes are sleeved on the outside of the adjacent end pipes.

[0009] Preferably, one end of the two sleeve pipes is fixedly mounted on the adjacent connecting pipe, and the inner walls of the two sleeve pipes are provided with internal threads which are tightly connected to the external threads of the adjacent end pipes through threads.

[0010] Preferably, the longitudinal sections of the two sealing sleeves are both U-shaped, the outer walls of the two sealing sleeves are fixedly installed in the sealing grooves, and one ends of the two end pipes are inserted into adjacent sealing sleeves and tightly connected to the inner walls of the sealing sleeves.

[0011] Preferably, the inner walls of the two plug-in grooves close to the sealing rings are provided with snap-fit ​​grooves, the longitudinal sections of the two snap-fit ​​grooves and the two sealing rings are T-shaped, and one end of the two sealing rings is tightly connected to the outer wall of the external tube.

[0012] Preferably, a plurality of thread grooves are provided on the outer walls of the two external pipes, and the inner wall of each thread groove is threadedly connected to an adjacent bolt.

[0013] Preferably, a plurality of grooves are evenly formed on the outer walls of the two connecting pipes, threaded holes are correspondingly formed on the inner bottom walls of the grooves close to the threaded grooves, and one end of the two bolts passes through the threaded holes and are threadedly connected to the threaded holes.

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

[0015] The utility model proposes a bellows compensator connection sealing mechanism, which facilitates connecting one end of the connecting pipe and the end pipe by threading the outer wall of the connecting pipe and the inner wall of the sleeve pipe, and facilitates connecting the other end of the connecting pipe and the external pipe by means of bolts threadedly installed on the outer wall of the external pipe. The operation is relatively simple, and the sealing effect of the connection between the connecting pipe, the sleeve pipe and the end pipe is enhanced by means of a sealing sleeve installed in the sealing groove, and the sealing property of the connection between the connecting pipe and the external pipe is improved by means of a sealing ring and a sealing ring arranged inside the plug-in groove, so that the sealing property of the connection of the bellows compensator is better to avoid affecting its normal use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the overall structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 It is a schematic diagram of the explosion of the local structure of the utility model.

[0020] In the figure: 1. Bellows compensator body; 2. End pipe; 3. Connecting pipe; 4. External pipe; 5. Sealing sleeve; 6. Sealing groove; 7. External thread; 8. Internal thread; 9. Sleeve pipe; 10. Insert groove; 11. Sealing ring; 12. Clamping groove; 13. Sealing ring; 14. Threaded groove; 15. Threaded hole; 16. Bolt; 17. Groove. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: a bellows compensator connection sealing mechanism, the bellows compensator connection sealing mechanism comprises: a bellows compensator body 1, both ends of the bellows compensator body 1 are connected with end pipes 2, one end of the two end pipes 2 is installed with an external pipe 4, and connecting pipes 3 are respectively arranged between the two end pipes 2 and the adjacent external pipes 4 to facilitate the connection of the end pipes 2 and the external pipes 4; the two connecting pipes 3 are provided with sealing grooves 6 at one end close to the end pipes 2, and the inside of the two sealing grooves 6 is installed with sealing sleeves 5, and the outer walls of the two connecting pipes 3 are threadedly connected with The sleeve pipe 9 facilitates the connection of one end of the connecting pipe 3 and the end pipe 2, and strengthens the sealing effect of the connection between the connecting pipe 3 and the end pipe 2; the two connecting pipes 3 are provided with a plug-in groove 10 at one end close to the external pipe 4, and the inner side walls of the two plug-in grooves 10 are provided with a sealing ring 13, one end of the two external pipes 4 is inserted into the adjacent plug-in groove 10 and connected with a sealing ring 11, and the outer wall of the two external pipes 4 close to the connecting pipe 3 is threadedly installed with bolts 16, which facilitates the connection of the connecting pipe 3 and the external pipe 4, and strengthens the sealing effect of the connection between the connecting pipe 3 and the external pipe 4.

[0024] By threading the outer wall of the connecting pipe 3 and the inner wall of the sleeve pipe 9, and threading the bolts 16 on the outer wall of the external pipe 4, it is convenient to connect the end pipe 2, the connecting pipe 3 and the external pipe 4, and the operation is relatively simple. Through the sealing sleeve 5, the sealing ring 13 and the sealing ring 11, it is convenient to strengthen the sealing effect of the connection between the connecting pipe 3 and the end pipe 2, and the connection between the connecting pipe 3 and the external pipe 4, so that the sealing of the connection of the bellows compensator is better to avoid affecting its normal use.

[0025] Embodiment 2

[0026] On the basis of the first embodiment, one end of the two end pipes 2 is fixedly connected to the bellows compensator body 1, and the outer wall of the other end of the two end pipes 2 is provided with an external thread 7, and the two sleeve pipes 9 are sleeved on the outside of the adjacent end pipes 2, so as to facilitate the connection of the sleeve pipes 9 and the end pipes 2. One end of the two sleeve pipes 9 is fixedly installed on the adjacent connecting pipe 3, and the inner wall of the two sleeve pipes 9 is provided with an internal thread 8 and is tightly connected with the external thread 7 of the adjacent end pipe 2 through a thread, thereby fixing the end pipe 2 and the connecting pipe 3. A plurality of thread grooves 14 are provided on the outer wall of the two external pipes 4, and the inner wall of each thread groove 14 is threadedly connected with the adjacent bolt 16, so as to facilitate the fixing of the external pipe 4. A plurality of grooves 17 are evenly provided on the outer wall of the two connecting pipes 3, and a threaded hole 15 is correspondingly provided on the inner bottom wall of the groove 17 close to the thread groove 14, and one end of the two bolts 16 passes through the threaded hole 15 and is threadedly connected with the threaded hole 15, so as to facilitate the fixed connection of the connecting pipe 3 and the external pipe 4.

[0027] Through the threaded connection of the external thread 7 and the internal thread 8, the end pipe 2 and the sleeve pipe 9 are conveniently fixedly connected, and by passing the bolt 16 through the threaded hole 15 and inserting it into the threaded groove 14, the connecting pipe 3 and the external pipe 4 are conveniently fixedly connected, thereby facilitating the disassembly and assembly of the end pipe 2, the connecting pipe 3 and the external pipe 4.

[0028] Embodiment 3

[0029] On the basis of the first embodiment, the longitudinal sections of the two sealing sleeves 5 are both U-shaped, the outer walls of the two sealing sleeves 5 are fixedly installed in the sealing groove 6, and one end of the two end pipes 2 is inserted into the adjacent sealing sleeves 5 and tightly connected to the inner wall of the sealing sleeve 5, so as to enhance the sealing performance of the end pipe 3 and the sealing groove 6. The inner walls of the two plug-in grooves 10 near the sealing ring 13 are provided with a clamping groove 12, the longitudinal sections of the two clamping grooves 12 and the two sealing rings 13 are both T-shaped, and one end of the two sealing rings 13 is tightly connected to the outer wall of the external pipe 4, so as to facilitate clamping the sealing ring 13 in the clamping groove 12.

[0030] By inserting one end of the end pipe 2 into the sealing sleeve 5, it is convenient to strengthen the sealing of the end pipe 3 and the sealing groove 6. By setting the longitudinal sections of the snap-in groove 12 and the sealing ring 13 to be T-shaped, it is convenient to snap the sealing ring 13 into the snap-in groove 12 and strengthen the sealing of the connection between the plug-in groove 10 and the external pipe 4.

[0031] In actual use, by fixing the sealing sleeve 5 in the sealing groove 6 and inserting one end of the end pipe 2 into the sealing sleeve 5, it is convenient to strengthen the sealing effect of the connection between the connecting pipe 3 and the end pipe 2, by threading the outer wall of the connecting pipe 3 and the inner wall of the sleeve pipe 9, it is convenient to connect one end of the connecting pipe 3 and the end pipe 2, and by the bolts 16 threadedly installed on the outer wall of the external pipe 4, it is convenient to fix the connecting pipe 3 and the external pipe 4 together, and the operation is relatively simple. By inserting one end of the external pipe 4 into the plug-in groove 10 and tightly connecting it with the sealing ring 11, and installing a sealing ring 13 inside the clamping groove 12, it is convenient to double seal the connection between the plug-in groove 10 and the external pipe 4, thereby improving the sealing of the connection between the connecting pipe 3 and the external pipe 4, so that the sealing of the connection of the bellows compensator is better to avoid affecting its normal use.

[0032] 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 bellows compensator connection sealing mechanism, characterized in that: The bellows compensator connection sealing mechanism comprises: a bellows compensator body (1), both ends of the bellows compensator body (1) are connected to end pipes (2), one end of the two end pipes (2) is installed with an external pipe (4), and connecting pipes (3) are respectively arranged between the two end pipes (2) and the adjacent external pipes (4); The two connecting pipes (3) are each provided with a sealing groove (6) at one end close to the end pipe (2), a sealing sleeve (5) is installed inside the two sealing grooves (6), and the outer walls of the two connecting pipes (3) are both threadedly connected with a sleeve pipe (9); The two connecting pipes (3) are each provided with a plug-in groove (10) at one end close to the external pipe (4), and a sealing ring (13) is provided on the inner side wall of the two plug-in grooves (10). One end of the two external pipes (4) is inserted into the adjacent plug-in groove (10) and connected to the sealing ring (11), and a bolt (16) is threadedly installed on the outer wall of one end of the two external pipes (4) close to the connecting pipe (3).

2. A bellows compensator connection sealing mechanism according to claim 1, characterized in that: One end of each of the two end pipes (2) is fixedly connected to the bellows compensator body (1), an external thread (7) is provided on the outer wall of the other end of each of the two end pipes (2), and two sleeve pipes (9) are sleeved on the outside of adjacent end pipes (2).

3. The bellows compensator connection sealing mechanism according to claim 1, characterized in that: One end of the two sleeve pipes (9) is fixedly mounted on the adjacent connecting pipe (3), and the inner walls of the two sleeve pipes (9) are provided with internal threads (8) which are tightly connected to the external threads (7) of the adjacent end pipe (2) through threads.

4. A bellows compensator connection sealing mechanism according to claim 1, characterized in that: The longitudinal sections of the two sealing sleeves (5) are both U-shaped, the outer walls of the two sealing sleeves (5) are fixedly installed in the sealing groove (6), and one end of the two end pipes (2) is inserted into the adjacent sealing sleeve (5) and is tightly connected to the inner wall of the sealing sleeve (5).

5. The bellows compensator connection sealing mechanism according to claim 1, characterized in that: The two plug-in grooves (10) are provided with a clamping groove (12) on the inner wall near the sealing ring (13); the longitudinal sections of the two clamping grooves (12) and the two sealing rings (13) are both T-shaped, and one end of the two sealing rings (13) is tightly connected to the outer wall of the external pipe (4).

6. A bellows compensator connection sealing mechanism according to claim 1, characterized in that: A plurality of thread grooves (14) are provided on the outer walls of the two external pipes (4), and the inner wall of each thread groove (14) is threadedly connected to an adjacent bolt (16).

7. The bellows compensator connection sealing mechanism according to claim 1, characterized in that: A plurality of grooves (17) are evenly formed on the outer walls of the two connecting pipes (3), and threaded holes (15) are correspondingly formed on the inner bottom walls of the grooves (17) close to the thread grooves (14), and one end of the two bolts (16) passes through the threaded holes (15) and is threadedly connected to the threaded holes (15).

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