Sealing joint of corrugated pipe
By designing the sliding ring and folded rod assembly of the bellows sealing joint, the problem of loosening of the bellows joint under vibration was solved, the stability and sealing of the connection were improved, and convenient disassembly and installation were achieved.
Patent Information
- Application Number
- CN202520126338.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing bellows joints are prone to loosening under vibration or impact, leading to decreased sealing performance and structural instability, which may cause leakage.
A bellows sealing joint was designed, comprising components such as a threaded port, a threaded pipe, a sliding groove, a sliding ring, a folded rod, and a locking block. The threaded pipe can be fixed and disassembled through the cooperation of the sliding ring and the folded rod. The elastic reset of the torsion spring drives the sliding ring to reset, thereby improving the connection stability.
It enhances the connection stability and sealing of the bellows, prevents leakage caused by loosening, and facilitates disassembly and installation.
Smart Images

Figure CN223563726U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bellows, in particular to a sealing joint of bellows. BACKGROUND
[0002] Bellows is a kind of pipe material with unique corrugated shape, plays a pivotal role in modern industry and life, and the sealing joint of bellows is the key component for connecting bellows and ensuring its sealing performance.
[0003] At present, the bellows joint in the prior art plays a crucial role in various industrial application scenarios, which connects bellows with other equipment or pipelines, ensures the smooth transmission of fluid or gas, and the connection mode is generally threaded connection, however, these joints may face continuous vibration or impact and other external adverse factors in actual use, which poses a potential threat to the stability of the joint and the normal operation of the bellows. Continuous vibration, whether from natural vibration during equipment operation or external environmental influence, may gradually cause the loosening of the bellows joint. This loosening may not be easily detected at first, but it will gradually intensify over time, until it affects the sealing performance of the bellows and the stability of the overall structure. Once the joint loosens to a certain extent, it may cause leakage. In view of this, we propose a sealing joint of bellows. SUMMARY
[0004] The main purpose of the utility model is to provide a sealing joint of bellows, which can solve the problems raised in the background technology.
[0005] To achieve the above purpose, the utility model provides a sealing joint of bellows, which comprises a sealing joint, a threaded port is provided on the sealing joint, a threaded pipe is threadedly connected to the threaded port, the threaded pipe is fixedly connected with a bellows, a fastening mechanism is provided on the threaded pipe, the fastening mechanism comprises a sliding groove, and the sliding groove is arranged on the side wall of the threaded pipe.
[0006] Preferably, the sliding groove is slidingly connected with a sliding ring.
[0007] Preferably, the sealing joint is fixedly connected with a fixed plate on both sides, the fixed plate is rotatably connected with a round rod, and the round rod is fixedly connected with a folded rod.
[0008] Preferably, a torsional spring is arranged between the round rod and the fixed plate, a clamping block one is fixedly connected to the end of the folded rod, and recesses are arranged on the side walls of the clamping block one.
[0009] Preferably, a clamping groove and a movable groove are arranged on the sliding ring respectively, a clamping block two is slidingly connected in the movable groove, the clamping block two is fixedly connected with a spring, and the end of the spring away from the clamping block two is fixedly connected with the inner wall of the movable groove.
[0010] Preferably, the sealing joint is sleeved with a sealing washer; the corrugated pipe is screwed into the sealing joint through the threaded pipe of the corrugated pipe port, then the sliding ring is slid downward along the sliding groove, the downward movement of the sliding ring touches the folding lever, and the other end of the folding lever moves upward, so that the first clamping block moves to the clamping groove on the side wall of the sliding ring, when the first clamping block moves into the clamping groove, the second clamping block is clamped into the groove of the first clamping block under the cooperation of the grooves on the two sides of the first clamping block and the spring, so that the position of the sliding ring is fixed, the position of the threaded pipe is further fixed, and the stability of the corrugated pipe is further stabilized.
[0011] The utility model provides a sealing joint of corrugated pipe has the advantages of the following:
[0012] (1), the sealing joint of corrugated pipe through the threaded pipe of corrugated pipe port to screw into the sealing joint in the corrugated pipe, then the sliding ring is slid downward along the sliding groove, the downward movement of the sliding ring touches the folding lever, and the other end of the folding lever moves upward, so that the first clamping block moves to the clamping groove on the side wall of the sliding ring, when the first clamping block moves into the clamping groove, the second clamping block is clamped into the groove of the first clamping block under the cooperation of the grooves on the two sides of the first clamping block and the spring, so that the position of the sliding ring is fixed, the position of the threaded pipe is further fixed, and the stability of the corrugated pipe is further stabilized.
[0013] (2), the sealing joint of corrugated pipe through the first clamping block is extracted, so as to release the position limiting of the sliding ring, and the folding lever is driven to reset quickly under the elastic reset action of the torsional spring, so as to drive the sliding ring to reset, at this moment, the threaded pipe can be disassembled. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.
[0015] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0016] Figure 2 For the utility model Figure 1 A region structure schematic view in the middle;
[0017] Figure 3 For the utility model part device solid section structure schematic view;
[0018] Figure 4 For the utility model Figure 3 B region structure schematic view in the middle.
[0019] Explanation of reference numerals:
[0020] 1, sealing joint;2, sealing washer;3, corrugated pipe;4, threaded pipe;5, fastening mechanism;51, sliding groove;52, sliding ring;53, clamping groove;54, fixed plate;55, round rod;56, folded rod;57, torsional spring;58, clamping block one;59, movable slot;510, spring;511, clamping block two.
[0021] The realization of the utility model, functional characteristics and advantages will be further described with reference to the accompanying drawings in conjunction with embodiments. Specific implementation
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-4 The utility model provides a sealing joint of corrugated pipe, including sealing joint 1, be equipped with threaded mouth on sealing joint 1, threaded mouth is connected with threaded pipe 4 by screw thread, threaded pipe 4 is fixedly connected with corrugated pipe 3, be equipped with fastening mechanism 5 on threaded pipe 4, and fastening mechanism 5 includes sliding groove 51, and sliding groove 51 is equipped on the side wall of threaded pipe 4.
[0024] In the embodiment of the utility model, in order to make the fastening mechanism 5 better operation, specifically, the sliding groove 51 is slidably connected with a sliding ring 52, the both sides side walls of the sealing joint 1 are fixedly connected with fixed plates 54, the fixed plates 54 are rotatably connected with round rods 55, the round rods 55 are fixedly connected with folded rods 56, torsional springs 57 are arranged between the round rods 55 and the fixed plates 54, the end of the folded rod 56 is fixedly connected with a clamping block one 58, the both sides side walls of the clamping block one 58 are provided with grooves, the sliding ring 52 is respectively provided with a clamping groove 53 and a movable groove 59, a clamping block two 511 is slidably connected in the movable groove 59, the clamping block two 511 is fixedly connected with a spring 510, and the end, away from the clamping block two 511, of the spring 510 is fixedly connected with the inner wall of the movable groove 59.
[0025] Further, the sealing joint 1 is sleeved with a sealing washer 2, the sealing washer 2 can protect the threaded pipe 4 from being scratched by the sealing joint 1, meanwhile, the sealing washer 2 can disperse pressure and prevent the threaded pipe 4 from being damaged due to excessive local pressure, and the sealing washer 2 can provide effective sealing to effectively prevent fluid from leaking from the sealing joint 1; the corrugated pipe 3 is screwed into the sealing joint 1 through the threaded pipe 4 at the port of the corrugated pipe 3, then the sliding ring 52 is slid downward along the sliding groove 51, the downward movement of the sliding ring 52 will touch the folded rod 56 and make the other end of the folded rod 56 move upward, so that the clamping block one 58 moves to the clamping groove 53 on the side wall of the sliding ring 52, when the clamping block one 58 moves into the clamping groove 53, the clamping block two 511 will be clamped into the groove of the clamping block one 58 under the cooperation of the grooves on the both sides of the clamping block one 58, the spring 510 and the clamping block two 511, so as to fix the position of the sliding ring 52, thereby further fixing the position of the threaded pipe 4, and further stabilizing the stability of the corrugated pipe 3, improving the stability of the connection of the corrugated pipe 3, and further improving the sealing performance of the corrugated pipe 3; by extracting the clamping block one 58, the position of the sliding ring 52 is released, and under the elastic reset action of the torsional spring 57, the folded rod 56 is quickly reset, thereby resetting the sliding ring 52, at this time, rotating the threaded pipe 4 can disassemble the corrugated pipe 3.
[0026] In the utility model, when using, the corrugated pipe 3 is screwed into the sealing joint 1 through the threaded pipe 4 of the corrugated pipe 3 port, then the sliding ring 52 is slid down along the sliding groove 51, the downward movement of the sliding ring 52 will touch the folding lever 56, and the other end of the folding lever 56 is moved upward, so that the clamping block one 58 moves to the clamping groove 53 on the side wall of the sliding ring 52, when the clamping block one 58 moves to the clamping groove 53, the clamping block two 511 is clamped into the recess of the clamping block one 58 under the cooperation of the recess on both sides of the clamping block one 58, the spring 510 and the clamping block two 511, so that the position of the sliding ring 52 is fixed, so that the position of the threaded pipe 4 is further fixed, and the stability of the corrugated pipe 3 is further stabilized, and when the corrugated pipe 3 is disassembled, the clamping block one 58 is extracted first, so that the position of the sliding ring 52 is released, and under the elastic reset action of the torsional spring 57, the folding lever 56 is quickly reset, so that the sliding ring 52 is reset, and the threaded pipe 4 is rotated to disassemble the corrugated pipe 3.
[0027] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation under the inventive concept of the utility model, using the utility model specification and the contents of the drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.
Claims
1. A sealed joint of a bellows, comprising a sealed joint (1), characterized in that: The sealing joint (1) is provided with a threaded port, the threaded port is threadedly connected with a threaded pipe (4), the threaded pipe (4) is fixedly connected with a corrugated pipe (3), the threaded pipe (4) is provided with a fastening mechanism (5), the fastening mechanism (5) comprises a sliding groove (51), and the sliding groove (51) is arranged on the side wall of the threaded pipe (4).
2. A bellows sealed joint according to claim 1, characterised in that: The sliding groove (51) is slidably connected with a sliding ring (52).
3. A bellows sealed joint according to claim 1, wherein: Both side walls of the sealing joint (1) are fixedly connected with a fixed plate (54), the fixed plate (54) is rotatably connected with a round rod (55), and the round rod (55) is fixedly connected with a folded rod (56).
4. A bellows sealed joint according to claim 3, wherein: A torsional spring (57) is arranged between the round rod (55) and the fixed plate (54), an end of the folded rod (56) is fixedly connected with a clamping block (58), and both side walls of the clamping block (58) are provided with recesses.
5. A bellows sealed joint according to claim 2, wherein: The sliding ring (52) is respectively provided with a clamping groove (53) and a movable groove (59), the movable groove (59) is slidably connected with a clamping block (511), the clamping block (511) is fixedly connected with a spring (510), and one end of the spring (510), away from the clamping block (511), is fixedly connected with the inner wall of the movable groove (59).
6. A bellows sealed joint according to claim 1, wherein: The sealing joint (1) is sleeved with a sealing washer (2).