Stainless steel pipe inner connection structure
Through the L-shaped hook ring and outer hook ring structure, combined with the movable clearance and sealing ring design, the loosening problem of stainless steel pipes under vibration conditions is solved, and the effect of firm connection and easy maintenance is achieved, while ensuring sealing.
Patent Information
- Application Number
- CN202420674423.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2024-12-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The traditional stainless steel pipe connection method is easy to loosen under vibration conditions, and the welding method is not conducive to maintenance and is difficult to ensure sealing effect.
The L-shaped hook ring and outer hook ring structure are adopted. Through the movable gap and sealing ring design, the pipes are firmly connected and easy to disassemble, and the sealing effect is maintained through the elastic structure of the sealing ring.
When the liquid inside the pipe vibrates, avoid shock and fall of the connector, ensure sealing effect, and facilitate maintenance, providing stable connection and convenient disassembly solutions.
Smart Images
Figure CN222209368U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel pipe butt joint, in particular to a stainless steel pipe internal connection structure. Background Art
[0002] Stainless steel pipe is a hollow long round steel, which is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments and mechanical structural parts. Its advantages include corrosion resistance, high strength, good processing performance and beautiful appearance. There are many types of stainless steel pipes. According to the manufacturing process, it can be divided into seamless steel pipes and welded steel pipes; according to the material, it can be divided into austenitic stainless steel pipes and ferritic stainless steel pipes; according to the purpose, it can be divided into stainless steel pipes for architectural decoration, stainless steel pipes for mechanical structures, and stainless steel pipes for chemical and petroleum industries. In addition, stainless steel pipes can also be divided into round pipes and special-shaped pipes according to the cross-sectional shape;
[0003] Since pipelines are generally long in actual use, a connecting structure is needed to connect multiple pipelines into a whole;
[0004] When the liquid inside the stainless steel pipe flows, it will vibrate. Traditional pipes are connected by bolts, which are easy to loosen under the influence of vibration. If welding is used, it will be difficult to maintain. Utility Model Content
[0005] The utility model provides the following technical solutions:
[0006] A stainless steel pipe internal connection structure, comprising a docking assembly installed on a first pipe and a second pipe, the docking assembly comprising an external snap ring, an end of the first pipe and the second pipe adjacent to each other is provided with a snap ring, the snap rings adjacent to the first pipe and the second pipe are both L-shaped and annular, the annular snap ring has a notch portion, the external snap ring can be inserted into the snap ring from the notch portion to fix the first pipe and the second pipe into one body;
[0007] By inserting a plurality of external snap rings from the notch portion of the buckle ring, the first pipe and the second pipe are fixed into one body, and the first pipe and the second pipe can be moved closer to or farther from each other.
[0008] Preferably, there is a gap at one adjacent end of the first pipe and the second pipe, and the inner walls of the adjacent ends of the first pipe and the second pipe are connected with convex rings, and the inner walls of the two convex rings are installed with sealing rings, the sealing ring is a complete circle, and a cavity is opened in the middle of the sealing ring. The sealing ring is elastic, and the two ends of the sealing ring are connected with clamping blocks, and the clamping blocks at both ends of the sealing ring are clamped with one end of the convex ring.
[0009] Preferably, an annular groove is formed on one end of the convex ring on the inner side of the first pipe and the second pipe away from the docking assembly, and an inner snap-fit ring is provided on the inner side of the first pipe and the second pipe. A limiting ring is provided on the inner side of the inner snap-fit ring, and the limiting ring is snap-fitted with the annular groove.
[0010] Preferably, the sealing ring between the first pipe and the second pipe can respectively open the first pipe and the second pipe in a direction away from the sealing ring, so that the convex rings inside the first pipe and the second pipe abut against the inner side of the inner clamping ring.
[0011] Preferably, the cavity inside the sealing ring is in the shape of a flat groove, and by providing the flat groove-shaped cavity, the elastic space of the sealing ring is increased.
[0012] Preferably, one end of the first pipe and the second pipe adjacent to each other has a movable gap, within the range of which the sealing ring can always abut against the convex ring;
[0013] By forming a movable gap between the first pipe and the second pipe, when the interior of the first pipe and the second pipe is vibrated by liquid, the connecting piece will not fall off, so that the first pipe and the second pipe can obtain a reliable sealing effect.
[0014] Compared with the prior art, the utility model provides a stainless steel pipe internal connection structure, which has the following
[0015] Beneficial effects:
[0016] 1. The utility model forms a movable gap between the first pipe and the second pipe, so that when the inside of the first pipe and the second pipe is vibrated by liquid, the connecting piece will not fall off, so that the first pipe and the second pipe can obtain a reliable sealing effect and can be easily disassembled, thereby achieving the purpose of easy maintenance.
[0017] 2. The utility model forms a movable gap between the first pipe and the second pipe, so that when the inside of the first pipe and the second pipe is vibrated by liquid, the connecting piece will not be shaken off, so that the first pipe and the second pipe can obtain a reliable sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is an overall stereogram of the utility model;
[0019] Figure 2 It is a cross-sectional view of the utility model;
[0020] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle;
[0021] Figure 4It is a schematic structural diagram of the external clamping ring, the first pipeline and the second pipeline of the utility model.
[0022] In the figure: 100, first pipe; 200, second pipe; 301, external snap ring; 302, sealing ring; 303, cavity; 304, convex ring; 305, ring groove; 306, internal snap ring; 307, limiting ring; 308, snap block; 309, buckle ring. DETAILED DESCRIPTION
[0023] See also Figure 1-4 This embodiment discloses a stainless steel pipe internal connection structure, including a docking assembly 300 installed on a first pipe 100 and a second pipe 200, the docking assembly 300 includes an external snap ring 301, and a snap ring 309 is provided at one end adjacent to the first pipe 100 and the second pipe 200. The snap rings 309 adjacent to the first pipe 100 and the second pipe 200 are both L-shaped and annular. The annular snap ring 309 has a notch portion, and the external snap ring 301 can be inserted into the snap ring 309 from the notch portion to fix the first pipe 100 and the second pipe 200 into one body;
[0024] By inserting a plurality of external snap rings 301 from the notch portion of the buckle ring 309 , the first pipe 100 and the second pipe 200 are fixed as one, and the first pipe 100 and the second pipe 200 can be moved closer to or farther from each other.
[0025] As a possible embodiment, there is a gap between the adjacent ends of the first pipe 100 and the second pipe 200, and the inner walls of the adjacent ends of the first pipe 100 and the second pipe 200 are connected with a convex ring 304, and the inner walls of the two convex rings 304 are installed with sealing rings 302, the sealing ring 302 is a complete circle, and a cavity 303 is opened in the middle of the sealing ring 302, the sealing ring 302 is elastic, and the two ends of the sealing ring 302 are connected with clamping blocks 308, and the clamping blocks 308 at both ends of the sealing ring 302 are clamped with one end of the convex ring 304.
[0026] As a possible embodiment, an annular groove 305 is provided at one end of the convex ring 304 on the inner side of the first pipe 100 and the second pipe 200 away from the docking assembly 300, and an inner snap ring 306 is provided on the inner side of the first pipe 100 and the second pipe 200. A limiting ring 307 is provided on the inner side of the inner snap ring 306, and the limiting ring 307 is snap-fitted with the annular groove 305.
[0027] As a possible embodiment, the sealing ring 302 between the first pipe 100 and the second pipe 200 can respectively open the first pipe 100 and the second pipe 200 in a direction away from the sealing ring 302, so that the convex rings on the inner sides of the first pipe 100 and the second pipe 200 abut against the inner side of the inner clamping ring 306.
[0028] As a possible embodiment, the cavity 303 inside the sealing ring 302 is in a flat groove shape. By providing the flat groove-shaped cavity 303 , the elastic space of the sealing ring 303 is increased.
[0029] As a possible embodiment, the first pipe 100 and the second pipe 200 have an active gap at one end adjacent to each other, and within the range of the active gap, the sealing ring 302 can always abut against the convex ring 304;
[0030] By forming a movable gap between the first pipe 100 and the second pipe 200, when the interior of the first pipe 100 and the second pipe 200 is vibrated by liquid, the connecting piece will not fall off, so that the first pipe 100 and the second pipe 200 can obtain a reliable sealing effect.
Claims
1. A stainless steel pipe internal connection structure, comprising a docking assembly (300) installed on a first pipe (100) and a second pipe (200), Features: The docking assembly (300) comprises an external snap ring (301), and a snap ring (309) is provided at one end adjacent to the first pipe (100) and the second pipe (200), and the snap rings (309) adjacent to the first pipe (100) and the second pipe (200) are both L-shaped and annular, and the annular snap ring (309) has a notch portion, and the external snap ring (301) can be snapped into the snap ring (309) from the notch portion to fix the first pipe (100) and the second pipe (200) as a whole.
2. A stainless steel tube internal connection structure according to claim 1, Features: There is a gap at one end adjacent to the first pipe (100) and the second pipe (200); the inner walls of the adjacent ends of the first pipe (100) and the second pipe (200) are connected with a convex ring (304); the inner walls of the two convex rings (304) are installed with sealing rings (302); the sealing ring (302) is a complete circle; a cavity (303) is opened in the middle of the sealing ring (302); the sealing ring (302) is elastic; the two ends of the sealing ring (302) are connected with clamping blocks (308); the clamping blocks (308) at the two ends of the sealing ring (302) are clamped with one end of the convex ring (304).
3. A stainless steel tube internal connection structure according to claim 2, Features: An annular groove (305) is provided at one end of the convex ring (304) on the inner side of the first pipe (100) and the second pipe (200) away from the docking assembly (300), and an inner snap ring (306) is provided on the inner side of the first pipe (100) and the second pipe (200), and a limiting ring (307) is provided on the inner side of the inner snap ring (306), and the limiting ring (307) is snap-fitted with the annular groove (305).
4. A stainless steel pipe internal connection structure according to claim 3, Features: The sealing ring (302) between the first pipe (100) and the second pipe (200) can respectively open the first pipe (100) and the second pipe (200) in a direction away from the sealing ring (302), so that the convex rings on the inner sides of the first pipe (100) and the second pipe (200) abut against the inner side of the inner clamping ring (306).
5. A stainless steel tube internal connection structure according to claim 4, Features: The cavity (303) inside the sealing ring (302) is in the shape of a flat groove.
6. A stainless steel pipe internal connection structure according to claim 4, Features: An active gap is provided at one end adjacent to the first pipe (100) and the second pipe (200), and within the range of the active gap, the sealing ring (302) can always abut against the convex ring (304).