Novel welding-free tee joint

Abstract

The utility model belongs to the technical field of welding-free tee joints, and particularly relates to a novel welding-free tee joint which comprises a welding-free tee joint body and further comprises locking mechanisms used for locking the welding-free tee joint body on a pipeline, and the locking mechanisms are arranged at the two ends of the welding-free tee joint body. The locking mechanism comprises a slip pushing ring, the slip pushing ring is connected into an inner cavity of the welding-free tee joint body in a sliding mode, a corrugated meshing groove is formed in an inner cavity of the slip pushing ring, the slip is arranged in the inner cavity of the welding-free tee joint body, a corrugated meshing face is arranged on the outer surface of the slip, and the corrugated meshing face is inserted into the corrugated meshing groove. According to the welding-free tee joint, the locking mechanism is arranged, so that the welding-free tee joint body can be locked on the pipeline, the position of the welding-free tee joint body can be prevented from being changed by locking the welding-free tee joint body on the pipeline, and the stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solder-free tees, in particular to a novel solder-free tee. Background Art

[0002] Oil and gas pipelines have complex and ever-changing routes. Pipelines crossing mountains and oceans, in particular, require rapid repairs to minimize the impact of accidents. A plugging tee is essential for pipeline repairs, such as cutting and replacing pipes. Typically, the tee is welded to the pipe before the perforation is opened and plugged. However, when time is of the essence or welding conditions are unavailable, such as underwater, a weld-free perforated tee is used.

[0003] However, the existing solderless tee may move during the hole-making process, which may affect the hole-making effect. Therefore, a new solderless tee is invented. Summary of the Invention

[0004] In view of the above problems and / or the problems existing in the existing novel solderless tees, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a novel solder-free tee that can solve the above-mentioned existing problems.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] The new solderless tee includes a solderless tee body and further includes:

[0008] A locking mechanism is used to lock the weld-free tee body on a pipeline, and locking mechanisms are provided at both ends of the weld-free tee body.

[0009] As a preferred solution of the novel solderless tee described in the present invention, the locking mechanism includes:

[0010] A slip push ring, the slip push ring is slidably connected in the inner cavity of the weld-free tee body, and the inner cavity of the slip push ring is provided with a corrugated meshing groove;

[0011] The slips are arranged in the inner cavity of the weld-free tee body, and the outer surface of the slips is provided with a corrugated meshing surface, and the corrugated meshing surface is inserted into the corrugated meshing groove.

[0012] As a preferred solution of the novel solderless tee described in the utility model, it also includes:

[0013] A corrugated sealing component is used for the first sealing between the pipeline and the weld-free tee body. Both ends of the weld-free tee body are provided with a corrugated sealing component, and the corrugated sealing component is located outside the locking mechanism.

[0014] As a preferred solution of the novel weld-free tee described in the present invention, the bellows sealing assembly includes:

[0015] a first isolation ring, the first isolation ring being arranged in the inner cavity of the solderless tee body;

[0016] a second isolation ring, the second isolation ring being arranged in the inner cavity of the solderless tee body;

[0017] A corrugated cylindrical sealing strip is provided between the first isolation ring and the second isolation ring.

[0018] As a preferred solution of the novel solderless tee described in the utility model, it also includes:

[0019] A tongue and groove floating seal assembly is used for performing a second seal between the pipeline and the weld-free tee body. Both ends of the weld-free tee body are provided with tongue and groove floating seal assemblies, and the tongue and groove floating seal assemblies are located on the inner side of the locking mechanism.

[0020] As a preferred solution of the novel weld-free tee described in the present invention, the tongue and groove floating seal assembly includes:

[0021] A tenon block is provided in the inner cavity of the weld-free tee body;

[0022] Tenon grooves, wherein the inner cavity of the tenon block is provided with a plurality of tenon grooves;

[0023] A floating sealing strip is arranged in the tongue and groove.

[0024] As a preferred solution of the novel solderless tee described in the utility model, it also includes:

[0025] A fixed sealing component is used to perform a third seal between the pipeline and the weld-free tee body. Both ends of the weld-free tee body are provided with fixed sealing components, and the fixed sealing components are located on the inner side of the tongue and groove floating sealing component.

[0026] As a preferred solution of the novel weld-free tee described in the present invention, the fixed sealing assembly includes:

[0027] A groove is provided in the inner cavity of the solderless tee body;

[0028] A sealing strip, wherein the sealing strip is arranged in the groove;

[0029] A pressing plate is rotatably connected in the inner cavity of the weld-free tee body, and one end of the pressing plate is pressed on the sealing strip.

[0030] Compared with existing technologies:

[0031] 1. By setting up a locking mechanism, the weld-free tee body can be locked on the pipeline. By locking the weld-free tee body on the pipeline, the position of the weld-free tee body can be prevented from changing, thereby improving stability.

[0032] 2. By setting up a corrugated sealing component, a tongue and groove floating sealing component and a corrugated columnar sealing strip, it is possible to achieve multiple seals between the pipeline and the weld-free tee body, thereby improving the sealing effect between the pipeline and the weld-free tee body. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a front view schematic diagram of the structure of the utility model;

[0034] Figure 2 This is a schematic front view of the partial structure of the locking mechanism of the utility model;

[0035] Figure 3 This is a schematic front view of the partial structure of the bellows seal assembly of the utility model;

[0036] Figure 4 This is a schematic front view of the partial structure of the tongue and groove floating seal assembly of the utility model;

[0037] Figure 5 This is a schematic front view of the local structure of the fixed sealing component of the present invention.

[0038] In the figure: locking mechanism 1, slip push ring 11, slip 12, tongue and groove floating sealing assembly 2, tongue block 21, floating sealing strip 22, fixed sealing assembly 3, pressure plate 31, sealing strip 32, corrugated sealing assembly 4, first isolation ring 41, second isolation ring 42, corrugated columnar sealing strip 43. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0040] This utility model provides a new type of solder-free tee, please refer to Figure 1-Figure 5 , including the solderless tee body;

[0041] It also includes: a locking mechanism 1 for locking the weld-free tee body on the pipeline, and both ends of the weld-free tee body are provided with a locking mechanism 1;

[0042] The locking mechanism 1 comprises a slip push ring 11 and a slip 12;

[0043] The slip ring 11 slides into the inner cavity of the weldless tee body. The inner cavity of the slip ring 11 is provided with a corrugated meshing groove. Slips 12 are located within the inner cavity of the weldless tee body. The outer surface of the slip 12 is provided with a corrugated meshing surface, which is inserted into the corrugated meshing groove. When the slip ring 11 slides axially, the inner diameter of the slip 12 decreases, tightly locking the open pipe and preventing the weldless tee body from moving forward and backward, rotating, or tipping.

[0044] It also includes: a corrugated sealing component 4 for performing a first seal between the pipeline and the weld-free tee body, the corrugated sealing components 4 are provided at both ends of the weld-free tee body, and the corrugated sealing components 4 are located outside the locking mechanism 1;

[0045] The corrugated sealing assembly 4 includes: a first isolation ring 41, a second isolation ring 42, and a corrugated cylindrical sealing strip 43;

[0046] A first isolating ring 41 is disposed within the inner cavity of the solderless tee body, a second isolating ring 42 is disposed within the inner cavity of the solderless tee body, and a corrugated cylindrical sealing strip 43 is disposed between the first isolating ring 41 and the second isolating ring 42. When pushed, an axial force is generated, causing the corrugated cylindrical sealing strip 43 to deform radially, thereby producing an axial and radial seal.

[0047] It also includes: a tongue and groove floating seal assembly 2 for performing a second seal between the pipeline and the weld-free tee body. Both ends of the weld-free tee body are provided with a tongue and groove floating seal assembly 2, and the tongue and groove floating seal assembly 2 is located inside the locking mechanism 1;

[0048] The tenon and groove floating seal assembly 2 includes: a tenon block 21, a floating sealing strip 22, and a tenon and groove;

[0049] Tenon block 21 is located in the inner cavity of the welding-free tee body, and the inner cavity of tenon block 21 offers several tenons, and floating sealing strip 22 is located in the tenon. When the tenon is pushed, its tenon and floating sealing strip 22 all can carry out radial extension and realize sealing.

[0050] It also includes: a fixed sealing assembly 3 for performing a third seal between the pipeline and the weld-free tee body, with fixed sealing assemblies 3 provided at both ends of the weld-free tee body, and the fixed sealing assemblies 3 are located inside the tongue-and-groove floating sealing assembly 2;

[0051] The fixed sealing assembly 3 includes: a groove, a pressure plate 31, and a sealing strip 32;

[0052] The groove is opened in the inner cavity of the solderless tee body, the sealing strip 32 is set in the groove, the pressure plate 31 is rotatably connected in the inner cavity of the solderless tee body, and one end of the pressure plate 31 is pressed on the sealing strip 32. The pressure plate 31 presses the sealing strip 32 embedded in the groove to achieve sealing.

[0053] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. The new solderless tee, including the solderless tee body, is characterized by: Also includes: A locking mechanism (1) for locking the weld-free tee body to the pipeline, wherein both ends of the weld-free tee body are provided with a locking mechanism (1); The locking mechanism (1) comprises: A slip ring (11), the slip ring (11) is slidably connected in the inner cavity of the weld-free tee body, and the inner cavity of the slip ring (11) is provided with a corrugated meshing groove; A slip (12) is provided in the inner cavity of a weld-free tee body, and an outer surface of the slip (12) is provided with a corrugated meshing surface, which is inserted into a corrugated meshing groove.

2. The novel solderless tee according to claim 1 is characterized in that: Also includes: A corrugated sealing component (4) is used for performing a first seal between a pipeline and a weld-free tee body, wherein both ends of the weld-free tee body are provided with a corrugated sealing component (4), and the corrugated sealing component (4) is located outside the locking mechanism (1).

3. The novel solderless tee according to claim 2 is characterized in that: The bellows seal assembly (4) comprises: a first isolation ring (41), the first isolation ring (41) being arranged in the inner cavity of the solderless tee body; a second isolation ring (42), the second isolation ring (42) being arranged in the inner cavity of the solderless tee body; A corrugated columnar sealing strip (43) is provided between the first isolation ring (41) and the second isolation ring (42).

4. The novel solderless tee according to claim 1 is characterized in that: Also includes: A tongue-and-groove floating seal assembly (2) is provided for performing a second seal between a pipeline and a weld-free tee body. Both ends of the weld-free tee body are provided with tongue-and-groove floating seal assemblies (2), and the tongue-and-groove floating seal assemblies (2) are located inside a locking mechanism (1).

5. The novel solderless tee according to claim 4 is characterized in that: The tongue and groove floating seal assembly (2) comprises: A tenon block (21), the tenon block (21) being arranged in the inner cavity of the weld-free tee body; Tenon grooves, wherein the inner cavity of the tenon block (21) is provided with a plurality of tenon grooves; A floating sealing strip (22) is provided in the tongue and groove.

6. The novel solderless tee according to claim 1 is characterized in that: Also includes: A fixed sealing assembly (3) is used for performing a third seal between a pipeline and a weld-free tee body, wherein both ends of the weld-free tee body are provided with a fixed sealing assembly (3), and the fixed sealing assembly (3) is located inside the tongue-and-groove floating sealing assembly (2).

7. The novel solderless tee according to claim 6 is characterized in that: The fixed sealing assembly (3) comprises: A groove is provided in the inner cavity of the solderless tee body; A sealing strip (32), wherein the sealing strip (32) is disposed in the groove; A pressing plate (31) is rotatably connected to the inner cavity of the weld-free tee body, and one end of the pressing plate (31) is pressed on the sealing strip (32).

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