Butt joint structure for vacuum pipeline

Abstract

The utility model discloses a butt joint structure for vacuum pipelines. The butt joint structure comprises a first vacuum pipeline. One end of the first vacuum pipeline is fixedly connected with a butt joint ring, one side of the butt joint ring is provided with a positioning groove, one end of the butt joint ring is fixedly connected with a sealing gasket, the middle of the positioning groove is connected with a positioning ring in an attached mode, and one side of the positioning ring is fixedly connected with a sealing ring. Wherein the outer side of the first vacuum pipeline is sleeved with a connecting pipe, one side of the outer wall of the connecting pipe is fixedly connected with a fixing block, and the inner wall of one end of the connecting pipe is fixedly connected with an internal thread; wherein the middle of the internal thread is in threaded connection with an external thread, the outer side of the external thread is provided with a threaded rod, the outer side of the threaded rod is in threaded connection with a threaded block, the section of the positioning ring is arranged to be an isosceles trapezoid with the upper bottom facing inwards, and the vacuum pipeline I and the vacuum pipeline II are fixed secondarily; the vacuum pipeline is more convenient and quicker to install, and meanwhile, the connection firmness of the vacuum pipeline is enhanced conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline construction, in particular to a butt-joint structure for vacuum pipelines. Background Technique

[0002] In order to meet the needs of vacuum pipeline use, it is often necessary to butt-joint vacuum pipelines to make the vacuum pipelines meet the use requirements.

[0003] The patent document with the publication number CN212839875U discloses a pipeline butt-joint device for pipeline construction, including a composite pipe, a pipeline connection block, a wedge-shaped sealing ring, an L-shaped pressing plate, a first locking bolt and a second locking bolt. The cross-section of the pipeline connection block is arranged in an I-shaped structure. A sealing gasket is arranged on the concave surface of the pipeline connection block. The composite pipe includes an inner pipe and an outer pipe. Anti-slip convex blocks are arranged on the pipeline connection block. Chamfers are arranged on the pipeline connection block. The wedge-shaped sealing ring is provided with a wedge-shaped part. The second locking bolt is in threaded connection with the L-shaped pressing plate. An arc-shaped pressing plate is arranged at one end of the second locking bolt. The arc-shaped pressing plate can be in contact with and arranged on the L-shaped pressing plate. The arc-shaped pressing plate can be in contact with the outer wall of the outer pipe. A connecting plate is arranged on the L-shaped pressing plate, and a third locking bolt is arranged on the connecting plate. A pipeline butt-joint device for pipeline construction with good sealing performance, but the following problems still exist in the actual use of this patent:

[0004] The pipeline butt-joint device for construction realizes the fixed connection between the composite pipe and the pipeline connection block by setting anti-slip convex blocks and filling the glue outlet pipe into the gap between the inner pipe and the anti-slip convex blocks through an adhesive. However, due to the process of injecting glue during the use of this pipeline butt-joint device, the process of butt-jointing this pipeline is relatively inconvenient, and the adhesive method is easily affected by factors such as dust, resulting in poor stability of the pipeline butt-joint. Therefore, the practicality of this butt-joint structure for vacuum pipelines is poor.

[0005] Therefore, a butt-joint structure for vacuum pipelines is proposed to solve the problems mentioned above. Content of the Utility Model

[0006] The purpose of the utility model is to provide a butt-joint structure for vacuum pipelines to solve the problem that the current pipeline butt-joint device for construction realizes the fixed connection between the composite pipe and the pipeline connection block by setting anti-slip convex blocks and filling the glue outlet pipe into the gap between the inner pipe and the anti-slip convex blocks through an adhesive. However, due to the process of injecting glue during the use of this pipeline butt-joint device, the process of butt-jointing this pipeline is relatively inconvenient, and the adhesive method is easily affected by factors such as dust, resulting in poor stability of the pipeline butt-joint. Therefore, the practicality of this butt-joint structure for vacuum pipelines is poor as mentioned in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A butt-joint structure for vacuum pipelines, including a first vacuum pipeline;

[0008] It further includes:

[0009] One end of the first vacuum pipe is fixedly connected with a docking ring. A positioning groove is formed inside the end of the docking ring away from the first vacuum pipe. A sealing groove is formed on one side in the middle of the positioning groove. A sealing gasket is fixedly connected to the end of the docking ring away from the first vacuum pipe. A positioning ring is fitted and connected to the middle of the positioning groove. A sealing ring is fixedly connected to the inside of the positioning ring. The second vacuum pipe is arranged on the side of the sealing ring away from the first vacuum pipe;

[0010] Wherein, a connecting pipe is sleeved on the outside of the first vacuum pipe close to the docking ring. A fixing block is fixedly connected to one side of the outer wall of the connecting pipe. A sliding groove is formed at the end of the connecting pipe away from the fixing block. An internal thread is fixedly connected to the inner wall of the end of the connecting pipe away from the fixing block;

[0011] Wherein, an external thread is threadedly connected to the middle of the internal thread. An adjusting block is fixedly connected to the end of the external thread away from the connecting pipe. A rotating ring is rotatably connected to the outside between the external thread and the adjusting block. A sliding block is fixedly connected to one side of the outer wall of the rotating ring. A rotating frame is fixedly connected to the end of the sliding block away from the rotating ring. A rotating block is rotatably connected to the middle of the rotating frame. A threaded rod is rotatably connected to the middle of one end of the rotating block. A threaded block is threadedly connected to the outside of the threaded rod.

[0012] Preferably, the side of the second vacuum pipe close to the first vacuum pipe is provided with a docking ring, a positioning groove, a sealing groove and a sealing gasket, which is convenient for connecting the first vacuum pipe and the second vacuum pipe.

[0013] Preferably, the cross-section of the positioning ring is an isosceles trapezoid with the upper base facing inwards, and the middle of the inner side of the positioning ring is fixedly connected to the outer wall of the sealing ring, which is convenient for positioning the sealing ring.

[0014] Preferably, the fixing blocks are symmetrically fixedly connected to both sides of the outer wall of the connecting pipe close to the first vacuum pipe end, and a U-shaped groove is formed in the middle of the fixing blocks, which is convenient for positioning the fixing blocks.

[0015] Preferably, the sliding grooves are symmetrically formed on both sides of one end of the connecting pipe, the sliding grooves are aligned with the fixing blocks, and the external thread is sleeved on the outside of the second vacuum pipe close to the docking ring side, which is convenient for positioning the sliding grooves.

[0016] Preferably, the sliding block, the rotating frame, the rotating block, the threaded rod and the threaded block are symmetrically arranged at both ends of the rotating ring, and the sliding block is slidably connected to the sliding groove, which is convenient for positioning the threaded rod and the threaded block.

[0017] Preferably, the threaded rod is inserted into the middle of the fixed block, and the threaded block is in fit connection with one side of the fixed block, facilitating the connection between the threaded rod and the fixed block.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: For the docking structure for the vacuum pipeline, by setting the cross-section of the positioning ring as an isosceles trapezoid with the upper base inward, the docking of the vacuum pipeline becomes more convenient and rapid, and it is also convenient to enhance the sealing performance at the docking part of the first vacuum pipeline and the second vacuum pipeline. Moreover, through the effect of secondary fixation on the first vacuum pipeline and the second vacuum pipeline, the installation of the vacuum pipeline is more convenient and rapid, and at the same time, it is also convenient to enhance the firmness of the connection of the vacuum pipeline. The specific content is as follows:

[0019] 1. For the docking structure for the vacuum pipeline, by setting a docking ring, a positioning groove, a sealing groove, and a sealing gasket on one side of the first vacuum pipeline, and setting the cross-section of the positioning ring as an isosceles trapezoid with the upper base inward, it is convenient for the rapid installation of the sealing ring between the first vacuum pipeline and the second vacuum pipeline, making the docking of the vacuum pipeline more convenient and rapid, and also facilitating the enhancement of the sealing performance at the docking part of the first vacuum pipeline and the second vacuum pipeline. Therefore, the practicability of the docking structure for the vacuum pipeline is improved.

[0020] 2. For the docking structure for the vacuum pipeline, by setting a connecting pipe, a fixed block, a sliding groove, an internal thread, an external thread, a rotating ring, a sliding block, a rotating frame, a rotating block, a threaded rod, a threaded block, and an adjusting block, it is convenient to achieve the effect of secondary fixation on the first vacuum pipeline and the second vacuum pipeline through the connection between the connecting pipe and the external thread, and the fit connection between the threaded block and one side of the fixed block. The installation of the vacuum pipeline is more convenient and rapid, and at the same time, it is also convenient to enhance the firmness of the connection of the vacuum pipeline, and it is not easily affected by dust and other factors that affect its sealing performance. Therefore, the practicability of the docking structure for the vacuum pipeline is stronger. Description of the Drawings

[0021] Figure 1 It is a schematic cross-sectional structure diagram of the present utility model;

[0022] Figure 2 It is a schematic cross-sectional structure diagram of the first vacuum pipeline of the present utility model;

[0023] Figure 3 It is a schematic cross-sectional structure diagram of the connecting pipe of the present utility model;

[0024] Figure 4 It is of the present utility model Figure 1 The enlarged structure diagram at A in the present utility model;

[0025] Figure 5 It is a schematic structure diagram of the connecting pipe of the present utility model.

[0026] In the figure: 1. First vacuum pipeline; 2. Docking ring; 3. Positioning groove; 4. Sealing groove; 5. Sealing gasket; 6. Positioning ring; 7. Sealing ring; 8. Second vacuum pipeline; 9. Connecting pipe; 10. Fixed block; 11. Sliding groove; 12. Internal thread; 13. External thread; 14. Rotating ring; 15. Sliding block; 16. Rotating frame; 17. Rotating block; 18. Threaded rod; 19. Threaded block; 20. Adjusting block. Detailed implementation manner

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1 - 5 , the present invention provides a technical solution: a docking structure for a vacuum pipeline, including a first vacuum pipeline 1; further including: one end of the first vacuum pipeline 1 is fixedly connected with a docking ring 2, a positioning groove 3 is opened on the inner side of the end of the docking ring 2 away from the first vacuum pipeline 1, a sealing groove 4 is opened on one side in the middle of the positioning groove 3, a sealing gasket 5 is fixedly connected to the end of the docking ring 2 away from the first vacuum pipeline 1, a positioning ring 6 is fitted and connected in the middle of the positioning groove 3, a sealing ring 7 is fixedly connected to the inner side of the positioning ring 6, and a second vacuum pipeline 8 is arranged on the side of the sealing ring 7 away from the first vacuum pipeline 1; a docking ring 2, a positioning groove 3, a sealing groove 4 and a sealing gasket 5 are arranged on the side of the second vacuum pipeline 8 close to the first vacuum pipeline 1; the cross-section of the positioning ring 6 is an isosceles trapezoid with the upper base facing inwards, and the middle of the outer wall of the inner side of the positioning ring 6 is fixedly connected to the outer wall of the sealing ring 7; by setting the cross-section of the positioning ring 6 as an isosceles trapezoid with the upper base facing inwards, it is convenient to quickly position the sealing ring 7 through the fit of the positioning ring 6 and the positioning groove 3, and it is also convenient to enhance the stable connection between the sealing ring 7 and the sealing groove 4, so that the docking of the vacuum pipeline is more convenient and fast.

[0029] Among them, a connecting pipe 9 is sleeved on the outer side of the vacuum pipe 1 close to the docking ring 2. One side of the outer wall of the connecting pipe 9 is fixedly connected with a fixing block 10. A sliding groove 11 is opened at one end of the connecting pipe 9 far from the fixing block 10. An internal thread 12 is fixedly connected to the inner wall of the connecting pipe 9 at the end far from the fixing block 10; the fixing blocks 10 are symmetrically fixedly connected to both sides of the outer wall of the connecting pipe 9 close to one end of the vacuum pipe 1, and a U-shaped groove is opened in the middle of the fixing block 10; the sliding grooves 11 are symmetrically opened on both sides of one end of the connecting pipe 9, and the sliding grooves 11 are aligned with the fixing blocks 10. An external thread 13 is sleeved on the outer side of the vacuum pipe 2 8 close to one side of the docking ring 2; by setting the fixing block 10 and the sliding groove 11 on the outer side of the connecting pipe 9, it is convenient to position the threaded rod 18, so as to facilitate the quick and stable connection of the connecting pipe 9 and the external thread 13, realizing the primary fixation of the vacuum pipe, so that the docking of the vacuum pipe is more convenient and fast.

[0030] Among them, an external thread 13 is threadedly connected to the middle of the internal thread 12. One end of the external thread 13 far from the connecting pipe 9 is fixedly connected with an adjusting block 20. A rotating ring 14 is rotatably connected to the outer side of the middle of the external thread 13 and the adjusting block 20. One side of the outer wall of the rotating ring 14 is fixedly connected with a sliding block 15. One end of the sliding block 15 far from the rotating ring 14 is fixedly connected with a rotating frame 16. A rotating block 17 is rotatably connected to the middle of the rotating frame 16. One end of the rotating block 17 is rotatably connected to the middle of a threaded rod 18. A threaded block 19 is threadedly connected to the outer side of the threaded rod 18; the sliding block 15, the rotating frame 16, the rotating block 17, the threaded rod 18 and the threaded block 19 are symmetrically arranged at both ends of the rotating ring 14, and the sliding block 15 is slidably connected with the sliding groove 11; the threaded rod 18 is inserted into the middle of the fixing block 10, and the threaded block 19 is attached to one side of the fixing block 10; by setting the threaded block 19 at the end of the threaded rod 18, it is convenient to realize the secondary connection of the vacuum pipe 1 and the vacuum pipe 2 8 through the fitting of the threaded block 19 and one side of the fixing block 10, so as to facilitate the stable connection of the vacuum pipe, and it is more convenient and fast during docking and installation, so that the practicability of the docking device for the vacuum pipe is stronger.

[0031] Working principle: When using the docking structure for the vacuum pipe, first align the positioning ring 6 with the positioning groove 3 at the end of the docking ring 2 on one side of the vacuum pipe 1, and make the sealing ring paint 7 fall in the middle of the sealing groove 4, and connect the vacuum pipe 2 8 with the sealing gasket 5, the positioning ring 6 and the sealing ring 7 through the docking ring 2.

[0032] Secondly, sleeve the connecting pipe 9 on the outer side of the vacuum pipe 1, then connect the external thread 13 and the internal thread 12 by rotating the adjusting block 20, and insert the sliding block 15 into the sliding groove 11. At this time, the rotating ring 14 rotates on the outer side of the external thread 13, so that the sliding block 15 slides in the sliding groove 11.

[0033] Finally, after the external thread 13 fits with the docking ring 2 on one side of the vacuum pipe II 8, the rotating block 17 is driven by the threaded rod 18, then rotates in the rotating frame 16, and the threaded rod 18 is engaged with the U-shaped groove of the fixed block 10. Subsequently, by rotating the threaded block 19, the threaded block 19 is made to fit with the fixed block 10.

[0034] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. Docking structure for vacuum pipelines, including vacuum pipeline 1 (1); It is characterized in that, It further includes: One end of the vacuum pipeline 1 (1) is fixedly connected with a docking ring (2). A positioning groove (3) is opened on the inner side of the end of the docking ring (2) away from the vacuum pipeline 1 (1). A sealing groove (4) is opened on one side in the middle of the positioning groove (3). A sealing gasket (5) is fixedly connected to the end of the docking ring (2) away from the vacuum pipeline 1 (1). A positioning ring (6) is fitted and connected in the middle of the positioning groove (3). A sealing ring (7) is fixedly connected to the inner side of the positioning ring (6). A vacuum pipeline 2 (8) is arranged on the side of the sealing ring (7) away from the vacuum pipeline 1 (1); Among them, a connecting pipe (9) is sleeved on the outer side of the vacuum pipeline 1 (1) close to the docking ring (2). A fixing block (10) is fixedly connected to one side of the outer wall of the connecting pipe (9). A sliding groove (11) is opened at one end of the connecting pipe (9) away from the fixing block (10). An internal thread (12) is fixedly connected to the inner wall of the end of the connecting pipe (9) away from the fixing block (10); Among them, an external thread (13) is threadedly connected in the middle of the internal thread (12). One end of the external thread (13) away from the connecting pipe (9) is fixedly connected with an adjusting block (20). A rotating ring (14) is rotatably connected to the outer side between the external thread (13) and the adjusting block (20). A sliding block (15) is fixedly connected to one side of the outer wall of the rotating ring (14). A rotating frame (16) is fixedly connected to the end of the sliding block (15) away from the rotating ring (14). A rotating block (17) is rotatably connected to the middle of the rotating frame (16). A threaded rod (18) is rotatably connected to the middle of one end of the rotating block (17). A threaded block (19) is threadedly connected to the outer side of the threaded rod (18).

2. The docking structure for a vacuum pipeline according to claim 1, wherein: On the side of the vacuum pipeline 2 (8) close to the vacuum pipeline 1 (1), there are a docking ring (2), a positioning groove (3), a sealing groove (4) and a sealing gasket (5).

3. The docking structure for a vacuum pipeline according to claim 1, wherein: The cross-section of the positioning ring (6) is an isosceles trapezoid with the upper base inward, and the inner side of the positioning ring (6) is fixedly connected to the middle of the outer wall of the sealing ring (7).

4. The docking structure for a vacuum pipeline according to claim 1, characterized in that: The fixing blocks (10) are symmetrically fixedly connected to both sides of the outer wall of the end of the connecting pipe (9) close to the vacuum pipeline 1 (1), and a U-shaped groove is opened in the middle of the fixing blocks (10).

5. The docking structure for a vacuum pipeline according to claim 1, characterized in that: The sliding grooves (11) are symmetrically opened on both sides of one end of the connecting pipeline (9), and the sliding grooves (11) are aligned with the fixing blocks (10). The external thread (13) is sleeved on the outer side of the vacuum pipeline 2 (8) close to the docking ring (2).

6. The docking structure for a vacuum pipeline according to claim 1, characterized in that: The sliding block (15), the rotating frame (16), the rotating block (17), the threaded rod (18) and the threaded block (19) are symmetrically arranged at both ends of the rotating ring (14), and the sliding block (15) is slidably connected to the sliding groove (11).

7. The docking structure for a vacuum pipeline according to claim 1, characterized in that: The threaded rod (18) is inserted into the middle of the fixing block (10), and the threaded block (19) is in close contact with one side of the fixing block (10).

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