High-pressure isolation corrugated pipe

Abstract

The utility model discloses a high-pressure isolation corrugated pipe which comprises a corrugated pipe body, a spring protection sleeve is arranged on the surface of the corrugated pipe body in a sleeved mode, spring fixing rings are arranged at the two ends of the spring protection sleeve, a connector male end is fixedly arranged at one end of the corrugated pipe body, and a connector female end is fixedly arranged at the other end of the corrugated pipe body. Limiting sleeves are arranged on the outer surface of one end of the connector male end and the outer surface of one end of the connector female end; the spring protection sleeve is arranged on the outer surface of the corrugated pipe body, so that the corrugated pipe body plays a role in buffering protection when being accidentally impacted, the deformation of the pipe wall is effectively avoided, and the flange hoop limits, locks and fixes the connecting sleeve arranged at one end of the connector male end and one end of the connector female end. After the conical connector is communicated with the groove connector, the sealing ring sleeve effectively plays a role in sealing, and the complex process of locking, connecting and disassembling a plurality of bolts is effectively reduced through the matching arrangement of the flange hoop and the sleeve ring edge.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows, in particular to a high-voltage insulating bellows. Background Art

[0002] Stainless steel corrugated hose is a flexible industrial metal material with good heat and pressure resistance. Metal bellows is made of thin-walled stainless steel welded pipe through corrugation processing, which is flexible and has good heat and pressure resistance. It is suitable for the transportation of various fluid media such as air, steam, various industrial gases, water, oil, medicine, etc., and plays an important role in the reciprocating motion of the pipe system, the absorption of thermal expansion system, the absorption of vibration, and the center adjustment of the pipe.

[0003] As disclosed in the utility model with the authorization announcement number CN212455466U, the high-voltage insulating sleeve can be flexibly connected and has the purpose of high-voltage insulation performance. This prior art also has the following problems when used: the wall of the bellows is easily deformed when it is accidentally hit, the sealing performance of the connector is poor after it is connected, and the disassembly process of using multiple bolts to lock the connection is cumbersome. For this reason, we propose a high-voltage isolation bellows. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a high-pressure insulating bellows. A spring protection sleeve is arranged on the outer surface of the bellows body to play a buffering and protective role when the bellows body is subjected to an accidental impact, effectively avoiding deformation of the pipe wall. The flange clamp limits and locks the connecting sleeve arranged at one end of the connecting head male end and the connecting head female end. After the conical connecting head and the groove connecting head are connected, the sealing ring sleeve effectively plays a sealing role. The matching arrangement of the flange clamp and the sleeve ring edge effectively reduces the tedious process of multiple bolt locking connections and assembly and disassembly.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-pressure insulating bellows, comprising a bellows body, a spring protection sleeve is sleeved on the surface of the bellows body, spring fixing rings are arranged at both ends of the spring protection sleeve, a male connector is fixedly arranged at one end of the bellows body, a female connector is fixedly arranged at the other end of the bellows body, limiting sleeves are arranged on the outer surfaces of one end of the male connector and the female connector, the two ends of the spring fixing ring are respectively located on the inner sides of the limiting sleeves arranged on the surfaces of one end of the male connector and the female connector, and the other end of the male connector is fixedly arranged on the outer surfaces of the female connector and the male connector. A conical connector is provided at one end, and a groove connector is provided at the other end of the female end of the connector. A sealing ring sleeve is provided on the surface of the groove connector. Connecting sleeves are provided on the surfaces of the conical connector and the groove connector. One end of one of the connecting sleeves is fixedly connected to the male end of the connector, and one end of the other connecting sleeve is fixedly connected to the female end of the connector. Sleeve edges are provided on the outer surfaces of one end of the two connecting sleeves. A sealing ring edge is provided on the outer surface of the sealing ring sleeve. The sealing ring edge is located between the two sleeve edges, and flange clamps are provided on the outer surfaces of the two sleeve edges.

[0006] As a preferred technical solution of the utility model, a sealing ring limiting groove is provided between the conical connector arranged at one end of the connector male end and the connecting sleeve, and one end of the sealing ring sleeve is located inside the sealing ring limiting groove.

[0007] As a preferred technical solution of the utility model, an annular groove is provided on the inner surface of the sealing ring sleeve, and a clamping ring is provided on the outer surface of the groove connector, and the clamping ring is located inside the annular groove provided on the inner surface of the sealing ring sleeve.

[0008] As a preferred technical solution of the utility model, arc rings are evenly arranged on the inner wall of the sealing ring sleeve.

[0009] As a preferred technical solution of the utility model, the conical connector and the groove connector are matched in size, through holes are opened in the centers of the conical connector and the groove connector, and the through holes opened in the centers of the conical connector and the groove connector are connected.

[0010] As an optimal technical solution of the utility model, a limiting ring is provided on one end surface of the groove connector, an annular groove is provided on the inner wall of the sealing ring sleeve, and the limiting ring provided on one end surface of the groove connector is located on the inner side of the annular groove provided on the inner wall of the sealing ring sleeve.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By setting a spring protective sleeve on the outer surface of the bellows body, the bellows body can be buffered and protected when it is accidentally impacted, effectively avoiding deformation of the pipe wall. The flange clamp locks and fixes the connecting sleeve set at one end of the male end of the connector and the female end of the connector. After the conical connector and the groove connector are connected, the sealing ring sleeve effectively seals. The matching setting of the flange clamp and the sleeve ring edge effectively reduces the cumbersome process of multiple bolt locking connections and disassembly.

[0013] 2. By matching the clamping ring with the annular groove, it is effectively prevented that the sealing ring sleeve falls off or shifts from the outer surface of the groove connector when disassembling the male end and the female end of the connector, causing poor sealing; by evenly arranging arc rings on the inner wall of the sealing ring sleeve, the fatigue damage of the sealing ring sleeve during long-term use is effectively reduced; by matching the limit ring with the annular groove, the displacement of the contact surface between the sealing ring sleeve and one end of the groove connector is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the connection of the male and female connectors of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the male connector of the utility model;

[0017] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Among them: 1. Bellows body; 2. Spring protection sleeve; 3. Male end of connector; 4. Female end of connector; 5. Connecting sleeve; 6. Conical connector; 7. Limiting sleeve; 8. Spring fixing ring; 9. Grooved connector; 10. Snap ring; 11. Sealing ring sleeve; 12. Flange clamp; 13. Sealing ring limiting groove; 14. Sleeve ring edge; 15. Arc ring; 16. Sealing ring ring edge. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example:

[0021] Please refer to Figure 1 , Figure 2, Figure 3 , Figure 4 As shown, the utility model provides a high-pressure insulating bellows, including a bellows body 1, a spring protection sleeve 2 is sleeved on the surface of the bellows body 1, spring fixing rings 8 are arranged at both ends of the spring protection sleeve 2, a connector male end 3 is fixedly arranged at one end of the bellows body 1, a connector female end 4 is fixedly arranged at the other end of the bellows body 1, and a limiting sleeve 7 is arranged on the outer surface of one end of the connector male end 3 and the connector female end 4, and the two ends of the spring fixing ring 8 are respectively located on the inner side of the limiting sleeve 7 arranged on the surface of one end of the connector male end 3 and the connector female end 4, and a conical connector is arranged at the other end of the connector male end 3. 6. A groove connector 9 is provided at the other end of the female end 4 of the connector, and a sealing ring sleeve 11 is sleeved on the surface of the groove connector 9. A connecting sleeve 5 is sleeved on the surface of the conical connector 6 and the groove connector 9, wherein one end of one connecting sleeve 5 is fixedly connected to the male end 3 of the connector, and one end of the other connecting sleeve 5 is fixedly connected to the female end 4 of the connector. A sleeve ring edge 14 is provided on the outer surface of one end of the two connecting sleeves 5, and a sealing ring edge 16 is provided on the outer surface of the sealing ring sleeve 11, and the sealing ring edge 16 is located between the two sleeve ring edges 14, and a flange clamp 12 is sleeved on the outer surface of the two sleeve ring edges 14.

[0022] By arranging a spring protection sleeve 2 on the outer surface of the bellows body 1, the bellows body 1 can play a buffering and protective role when it is accidentally impacted, effectively avoiding deformation of the pipe wall. The flange clamp 12 limits and locks the connecting sleeve 5 arranged at one end of the connector male end 3 and the connector female end 4. After the conical connector 6 and the groove connector 9 are connected, the sealing ring sleeve 11 effectively plays a sealing role. The matching arrangement of the flange clamp 12 and the sleeve ring edge 14 effectively reduces the tedious process of multiple bolt locking connections and assembly and disassembly.

[0023] like Figure 2 , Figure 3 As shown, a sealing ring limiting groove 13 is provided between the conical connector 6 arranged at one end of the male end 3 of the connector and the connecting sleeve 5, and one end of the sealing ring sleeve 11 is located on the inner side of the sealing ring limiting groove 13; through the matching arrangement of the sealing ring limiting groove 13 and the sealing ring sleeve 11, the male end 3 of the connector and the female end 4 of the connector are locked and fixed by the flange clamp 12, so as to achieve a good sealing effect, and effectively avoid the leakage caused by fatigue damage of the sealing ring sleeve 11.

[0024] like Figure 2 , Figure 4 As shown, an annular groove is provided on the inner surface of the sealing ring sleeve 11, and a clamping ring 10 is provided on the outer surface of the groove connector 9, and the clamping ring 10 is located on the inner side of the annular groove provided on the inner surface of the sealing ring sleeve 11; by matching the clamping ring 10 with the annular groove, it is effectively avoided that the sealing ring sleeve 11 falls off or shifts from the outer surface of the groove connector 9 when the male end 3 and the female end 4 of the connector are disassembled and assembled, resulting in poor sealing.

[0025] like Figure 2 , Figure 4 As shown, the inner wall of the sealing ring sleeve 11 is evenly provided with arc rings 15; by evenly providing the arc rings 15 on the inner wall of the sealing ring sleeve 11, fatigue damage of the sealing ring sleeve 11 during long-term use is effectively reduced.

[0026] like Figure 2 As shown, the conical connector 6 and the groove connector 9 are of the same size, and a through hole is provided at the center of the conical connector 6 and the groove connector 9, and the through holes provided at the center of the conical connector 6 and the groove connector 9 are connected; through the matching arrangement of the conical connector 6 and the groove connector 9, the conical connector 6 and the groove connector 9 fit tightly to reduce air leakage.

[0027] like Figure 2 , Figure 4 As shown, a limiting ring is provided on the surface of one end of the groove connector 9, and an annular groove is provided on the inner wall of the sealing ring sleeve 11. The limiting ring provided on the surface of one end of the groove connector 9 is located on the inner side of the annular groove provided on the inner wall of the sealing ring sleeve 11; by matching the limiting ring with the annular groove, the contact surface displacement between the sealing ring sleeve 11 and one end of the groove connector 9 is reduced.

[0028] Specific working principle:

[0029] By arranging a spring protection sleeve 2 on the outer surface of the bellows body 1, it plays a role of buffering protection when the bellows body 1 is accidentally impacted, and deformation of the pipe wall is effectively avoided. After the personnel connect the conical connector 6 set at one end of the connector male end 3 with the groove connector 9 set at one end of the connector female end 4, the sealing ring sleeve 11 is located at the connection between the connector male end 3 and the connector female end 4, and the flange clamp 12 and the sleeve ring edge 14 are matched to lock and fix the connector male end 3 and the connector female end 4, and the sealing ring sleeve 11 effectively plays a sealing role.

[0030] The above shows and describes the basic principle, 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 preferred examples of the utility model and are not used to limit 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 of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-pressure insulating bellows, comprising a bellows body (1), characterized in that: The surface of the bellows body (1) is provided with a spring protection sleeve (2), and both ends of the spring protection sleeve (2) are provided with spring fixing rings (8). A male connector (3) is fixedly provided at one end of the bellows body (1), and a female connector (4) is fixedly provided at the other end of the bellows body (1). Limiting sleeves (7) are provided on the outer surfaces of one end of the male connector (3) and the female connector (4), and both ends of the spring fixing ring (8) are respectively located inside the limiting sleeves (7) provided on the surfaces of one end of the male connector (3) and the female connector (4). A conical connector (6) is provided at the other end of the male connector (3), and a groove is provided at the other end of the female connector (4). A connector (9), the surface of the groove connector (9) is provided with a sealing ring sleeve (11), the surfaces of the conical connector (6) and the groove connector (9) are both provided with connecting sleeves (5), one end of one of the connecting sleeves (5) is fixedly connected to the male end (3) of the connector, and one end of the other connecting sleeve (5) is fixedly connected to the female end (4) of the connector, one end of the two connecting sleeves (5) is provided with a sleeve edge (14) on the outer surface, the outer surface of the sealing ring sleeve (11) is provided with a sealing ring edge (16), the sealing ring edge (16) is located between the two sleeve edges (14), and the outer surfaces of the two sleeve edges (14) are provided with flange clamps (12).

2. A high-voltage insulating bellows according to claim 1, characterized in that: A sealing ring limiting groove (13) is provided between the conical connector (6) provided at one end of the connector male end (3) and the connecting sleeve (5), and one end of the sealing ring sleeve (11) is located inside the sealing ring limiting groove (13).

3. The high-voltage insulating bellows according to claim 1, characterized in that: An annular groove is provided on the inner surface of the sealing ring sleeve (11), and a clamping ring (10) is provided on the outer surface of the groove connector (9). The clamping ring (10) is located inside the annular groove provided on the inner surface of the sealing ring sleeve (11).

4. The high-voltage insulating bellows according to claim 1, characterized in that: The inner wall of the sealing ring sleeve (11) is evenly provided with arc-shaped rings (15).

5. The high-voltage insulating bellows according to claim 1, characterized in that: The conical connector (6) and the groove connector (9) are of similar size, through holes are provided at the centres of the conical connector (6) and the groove connector (9), and the through holes provided at the centres of the conical connector (6) and the groove connector (9) are in communication.

6. The high-voltage insulating bellows according to claim 1, characterized in that: A limiting ring is provided on one end surface of the groove connector (9), an annular groove is provided on the inner wall of the sealing ring sleeve (11), and the limiting ring provided on one end surface of the groove connector (9) is located inside the annular groove provided on the inner wall of the sealing ring sleeve (11).

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