An adjustable bellows compensator

Abstract

The utility model relates to the technical field of compensators, and specifically discloses an adjustable bellows compensator, comprising: a bellows body, a disc one and a disc two, wherein the disc one is fixedly mounted on one end of the bellows body, and the disc two is fixedly mounted on the other end of the bellows body, a connecting rod one is arranged between the disc one and the disc two, one end of the connecting rod one is threadedly connected to the disc two, and the other end can slide through the disc one and can be threadedly connected to the connecting rod two; a plurality of limiting holes are evenly arranged on the inner end side walls of the connecting rod one and the connecting rod two, a limiting component is arranged on one side of the disc one, and the connecting rod one or the connecting rod two is fixed in the disc one through the limiting component, and when the bellows body needs to be contracted, the ring is pulled outward to separate the positioning block and the limiting hole, and the disc one only needs to slide on the connecting rod two or the connecting rod one, thereby facilitating the adjustment of the length of the bellows compensator.

Description

Technical Field

[0001] The utility model relates to the technical field of compensators, in particular to an adjustable bellows compensator. Background Art

[0002] Bellows compensator, also commonly called expansion joint, or telescopic joint, consists of bellows and end pipes, brackets, flanges, ducts and other accessories that constitute its working body. It is mainly used in various pipelines. It can compensate for the thermal displacement and mechanical deformation of the pipeline and absorb various mechanical vibrations, thereby reducing the deformation stress of the pipeline and increasing the service life of the pipeline.

[0003] At present, when the bellows compensators on the market are in use, they need to adaptively adjust their own length. In actual use, when the bellows compensators perform adaptive adjustments themselves, it is necessary to rotate the nuts and screws on the outside of the bellows compensators, so that the two sides of the bellows compensators can contract or stretch. When the bellows compensators need to significantly adjust their own length, the nuts need to be repeatedly rotated, which makes the length adjustment of the bellows compensators too troublesome. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable bellows compensator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable bellows compensator, comprising: a bellows body, a disc 1 and a disc 2, wherein the disc 1 is fixedly mounted on one end of the bellows body, and the disc 2 is fixedly mounted on the other end of the bellows body, and a connecting rod 1 is arranged between the disc 1 and the disc 2, wherein one end of the connecting rod 1 is threadedly connected to the disc 2, and the other end can slide through the disc 1 and can be threadedly connected to the connecting rod 2;

[0006] A plurality of limiting holes are evenly arranged on the inner end side walls of the connecting rod 1 and the connecting rod 2, a limiting component is arranged on one side of the disc 1, and the connecting rod 1 or the connecting rod 2 is fixed in the disc 1 through the limiting component.

[0007] Preferably, a plurality of threaded holes 1 are evenly formed on the inner wall of one end of the disk 2 close to the disk 1, and a plurality of circular holes corresponding to the threaded holes 1 are evenly formed on the side wall of the disk 1.

[0008] Preferably, one end of the connecting rod 1 is provided with an external thread 1, and the other end side wall is provided with a threaded hole 2, one end of the connecting rod 2 is provided with an external thread 2, and the other end side wall is provided with a threaded hole 3, and the connecting rod 2 is threadedly connected to the connecting rod 1 through the external thread 2 and the threaded hole 2.

[0009] Preferably, one end of the connecting rod 1 is threadedly connected to the disc 2 via an external thread 1 and a threaded hole 1, and the connecting rod 1 or the connecting rod 2 slides through the circular hole.

[0010] Preferably, the limiting component includes a sliding hole, a movable groove, a positioning block and a sliding rod. There are a plurality of sliding holes and movable grooves, which are evenly opened on the side wall of the disc, and the sliding hole is located on the inner side of the circular hole. The movable groove is vertically located between the sliding hole and the circular hole. One end of the movable groove is connected to the circular hole, and the other end is connected to the sliding hole.

[0011] Preferably, the positioning block is slidably arranged in the movable groove, a sliding block is fixedly installed on one end of the positioning block, a spring 1 is fixedly installed on one end of the sliding block, and the other end of the spring 1 is fixedly connected to the inner wall of the movable groove.

[0012] Preferably, the sliding rod is slidably arranged in the sliding hole, one end of the sliding rod extends out of the sliding hole and is fixedly installed with a ring, a limiting disk is fixedly installed on the outer wall of the sliding rod, a spring 2 is sleeved on the outer wall of the sliding rod, one end of the spring 2 is fixedly installed on the side wall of the disk 1, and the other end is fixedly installed on the side wall of the limiting disk.

[0013] Preferably, the elastic coefficient of the second spring is greater than the elastic coefficient of the first spring.

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

[0015] By screwing one end of connecting rod one on disc two and the other end passing through the side wall of disc one, inserting one end of positioning block one into one of the limiting holes on connecting rod one to fix connecting rod one in disc one, or passing one end of connecting rod two through the round hole and threadedly connected to connecting rod one, disc one can be slid on several connecting rods two, and then inserting one end of positioning block one into one of the limiting holes on connecting rod two to fix connecting rod two in disc one, thereby completing the stretching of the bellows body. When the bellows body needs to be contracted, the ring is pulled outward to separate the positioning block and the limiting hole. Only disc one needs to be slid on connecting rod two or connecting rod one, which facilitates the adjustment of the length of the bellows compensator. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0018] Figure 3 This is a schematic diagram of the connection between the first connecting rod and the second connecting rod of the utility model;

[0019] Figure 4 It is a schematic cross-sectional view of the overall structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 A magnified view of the structure of area A.

[0021] In the figure: 1. bellows body; 2. disc 1; 3. disc 2; 4. threaded hole 1; 5. round hole; 6. connecting rod 1; 7. threaded hole 2; 8. connecting rod 2; 9. threaded hole 3; 10. sliding hole; 11. positioning block; 12. slider; 13. spring 1; 14. sliding rod; 15. spring 2; 16. limiting plate; 17. circular ring; 18. movable groove; 19. external thread 1; 20. external thread 2; 21. limiting hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: an adjustable bellows compensator, comprising: a bellows body 1, a disc 2 and a disc 3, the disc 2 being fixedly mounted at one end of the bellows body 1, the disc 3 being fixedly mounted at the other end of the bellows body 1, a connecting rod 6 being arranged between the disc 2 and the disc 3, a plurality of threaded holes 4 being evenly arranged on the inner wall of one end of the disc 2 3 close to the disc 2, a plurality of circular holes 5 corresponding to the threaded holes 4 being evenly arranged on the side wall of the disc 2, one end of the connecting rod 6 being threadedly connected to the disc 2 3, and the other end being slidable through the disc 2 and being threadedly connected to the connecting rod 8, the connecting rod 6 or the connecting rod 8 slidingly passing through the circular hole 5, when the bellows body 1 needs to be stretched, one end of the connecting rod 8 is passed through the circular hole 5 and threadedly connected to the connecting rod 6, so that the disc 2 can slide on the plurality of connecting rods 2 8, thereby stretching the bellows body 1.

[0025] The length of connecting rod 2 8 is less than that of connecting rod 1 6 , and the threaded setting facilitates the disassembly and assembly of connecting rod 2 8 . When the bellows body 1 needs to be contracted, it is only necessary to slide disc 1 2 onto connecting rod 1 6 and then unscrew connecting rod 2 8 .

[0026] A plurality of limiting holes 21 are evenly provided on the inner end side walls of connecting rod 1 6 and connecting rod 2 8. The size of the limiting hole 21 is larger than the cross-sectional size of the positioning block 11, so that one end of the positioning block 11 can be inserted into the limiting hole 21, thereby fixing the connecting rod 1 6 or the connecting rod 2 8. A limiting component is provided on one side of the disc 1 2, and the connecting rod 1 6 or the connecting rod 2 8 is fixed in the disc 1 2 through the limiting component.

[0027] The limiting component includes a sliding hole 10, a movable groove 18, a positioning block 11 and a sliding rod 14. There are a plurality of sliding holes 10 and movable grooves 18, which are evenly opened on the side wall of the disc 2, and the sliding hole 10 is located on the inner side of the circular hole 5. The movable groove 18 is vertically located between the sliding hole 10 and the circular hole 5. One end of the movable groove 18 is connected to the circular hole 5, and the other end is connected to the sliding hole 10.

[0028] The positioning block 11 is slidably arranged in the moving groove 18, a slider 12 is fixedly installed at one end of the positioning block 11, a spring 13 is fixedly installed at one end of the slider 12, and the other end of the spring 13 is fixedly connected to the inner wall of the moving groove 18. When the spring 13 is in a balanced state, the outer end of the positioning block 11 is located in the moving groove 18, and a slope is provided at the inner end of the positioning block 11. When the positioning block 11 moves in the moving groove 18, it will move synchronously with the slider 12. The slider 12 moves by stretching the spring 13 to slide one end of the positioning block 11 out of the outer side of the moving groove 18.

[0029] The slide rod 14 is slidably arranged in the slide hole 10, one end of the slide rod 14 extends out of the slide hole 10 and is fixedly installed with a ring 17, the other end of the slide rod 14 is provided with a slope, a limit plate 16 is fixedly installed on the outer wall of the slide rod 14, a spring 2 15 is sleeved on the outer wall of the slide rod 14, one end of the spring 2 15 is fixedly installed on the side wall of the disk 1 2, and the other end is fixedly installed on the side wall of the limit plate 16, the elastic coefficient of the spring 2 15 is greater than the elastic coefficient of the spring 13, and the spring 2 15 is provided with a spring 2 15. When the second spring 15 is in a balanced state, the other end of the slide rod 14 contacts the bottom end of the slide hole 10, and the slope on the slide rod 14 contacts the slope on the positioning block 11, thereby pushing one end of the positioning block 11 out of the movable groove 18. By hooking the ring 17 with your fingers and pulling it outward, several slide rods 14 can be pulled outward at the same time. The slide rod 14 moves outward by stretching the second spring 15, and the positioning block 11 slides into the movable groove 18 under the reaction of the first spring 13.

[0030] Embodiment 2

[0031] On the basis of embodiment one, in order to facilitate the disassembly and assembly of connecting rod one 6 or connecting rod two 8, one end of connecting rod one 6 is provided with an external thread one 19, and the other end side wall is provided with a threaded hole two 7; one end of connecting rod two 8 is provided with an external thread two 20, and the other end side wall is provided with a threaded hole three 9; connecting rod two 8 is threadedly connected to connecting rod one 6 through external thread two 20 and threaded hole two 7; one end of connecting rod one 6 is threadedly connected to disc two 3 through external thread one 19 and threaded hole one 4.

[0032] By threading the external thread 19 at one end of the connecting rod 16 and the inner wall of the threaded hole 14, and then threading the external thread 20 at one end of the connecting rod 28 and the inner wall of the threaded hole 27, the connecting rod 16 is threadedly installed on the disc 23, and the connecting rod 28 is threadedly connected to the connecting rod 16, so that the connecting rod 16 or the connecting rod 28 can be easily disassembled and assembled.

[0033] In actual use, when the bellows body 1 needs to be stretched, one end of the connecting rod 6 is screwed on the disc 2 3, and the other end passes through the side wall of the disc 2, and one end of the positioning block 11 is inserted into one of the limiting holes 21 on the connecting rod 6 to fix the connecting rod 6 in the disc 2, or one end of the connecting rod 28 is passed through the circular hole 5 and threadedly connected to the connecting rod 6, so that the disc 2 can slide on several connecting rods 28, and then one end of the positioning block 11 is inserted into one of the limiting holes 21 on the connecting rod 28 to fix the connecting rod 28 in the disc 2, thereby completing the stretching of the bellows body 1. When the bellows body 1 needs to be contracted, the ring 17 is pulled outward to separate the positioning block 11 and the limiting hole 21, and the disc 2 only needs to slide on the connecting rod 28 or the connecting rod 6.

[0034] 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. An adjustable bellows compensator, comprising: A bellows body (1), a disc 1 (2) and a disc 2 (3), wherein the disc 1 (2) is fixedly mounted on one end of the bellows body (1), and the disc 2 (3) is fixedly mounted on the other end of the bellows body (1), characterized in that a connecting rod 1 (6) is provided between the disc 1 (2) and the disc 2 (3), one end of the connecting rod 1 (6) is threadedly connected to the disc 2 (3), and the other end can slide through the disc 1 (2) and can be threadedly connected to the connecting rod 2 (8); A plurality of limiting holes (21) are evenly arranged on the inner end side walls of the connecting rod 1 (6) and the connecting rod 2 (8), and a limiting component is arranged on one side of the disc 1 (2), and the connecting rod 1 (6) or the connecting rod 2 (8) is fixed in the disc 1 (2) through the limiting component.

2. The adjustable bellows compensator according to claim 1, characterized in that: A plurality of threaded holes (4) are evenly arranged on the inner wall of one end of the disk (3) close to the disk (2), and a plurality of circular holes (5) corresponding to the threaded holes (4) are evenly arranged on the side wall of the disk (2).

3. The adjustable bellows compensator according to claim 1, characterized in that: One end of the connecting rod 1 (6) is provided with an external thread 1 (19), and the other end side wall is provided with a threaded hole 2 (7); one end of the connecting rod 2 (8) is provided with an external thread 2 (20), and the other end side wall is provided with a threaded hole 3 (9); the connecting rod 2 (8) is threadedly connected to the connecting rod 1 (6) via the external thread 2 (20) and the threaded hole 2 (7).

4. The adjustable bellows compensator according to claim 3, characterized in that: One end of the connecting rod 1 (6) is threadedly connected to the disc 2 (3) through an external thread 1 (19) and a threaded hole 1 (4), and the connecting rod 1 (6) or the connecting rod 2 (8) slides through the circular hole (5).

5. The adjustable bellows compensator according to claim 1, characterized in that: The limiting component comprises a sliding hole (10), a movable groove (18), a positioning block (11) and a sliding rod (14); a plurality of sliding holes (10) and movable grooves (18) are provided and are evenly arranged on the side wall of the disc (2); the sliding hole (10) is located on the inner side of the circular hole (5); the movable groove (18) is vertically located between the sliding hole (10) and the circular hole (5); one end of the movable groove (18) is connected to the circular hole (5), and the other end is connected to the sliding hole (10).

6. The adjustable bellows compensator according to claim 5, characterized in that: The positioning block (11) is slidably arranged in the movable groove (18); a slider (12) is fixedly mounted on one end of the positioning block (11); a spring (13) is fixedly mounted on one end of the slider (12); and the other end of the spring (13) is fixedly connected to the inner wall of the movable groove (18).

7. The adjustable bellows compensator according to claim 6, characterized in that: The slide rod (14) is slidably arranged in the slide hole (10), one end of the slide rod (14) extends out of the slide hole (10) and is fixedly mounted with a ring (17), a limit plate (16) is fixedly mounted on the outer wall of the slide rod (14), a spring 2 (15) is sleeved on the outer wall of the slide rod (14), one end of the spring 2 (15) is fixedly mounted on the side wall of the disk 1 (2), and the other end of the spring 2 (15) is fixedly mounted on the side wall of the limit plate (16).

8. The adjustable bellows compensator according to claim 7, characterized in that: The elastic coefficient of the second spring (15) is greater than the elastic coefficient of the first spring (13).

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