Smooth transition socket welding connecting pipe fitting
By setting chamfers and equal transition angles in the insert welded pipe fittings, a smooth transition between the pipe fittings and the pipe is achieved, solving the problems of unsmooth and blind angles in the step transition, significantly reducing fluid resistance and improving cleaning and maintenance effects.
Patent Information
- Application Number
- CN202421457303.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing socket welded pipe fitting connection structure has unsmooth step transitions, which increases fluid resistance, and the end of the pipe is poorly fitted with the transition section, forming blind spots, affecting fluid flow and cleaning and maintenance.
A smooth transition socket welding connection pipe fitting is designed. By setting chamfers at one end of the pipe and the pipe fitting insertion, and making the inner angle of the transition section equal to the chamfer angle, thereby achieving a complete fit between the transition section and the end surface of the pipe.
A smooth transition at the connection is achieved, fluid resistance is reduced, comprehensive resistance is reduced by at least 20%, and blind spots in the tube are avoided, achieving the effect of 0 blind spots.
Smart Images
Figure CN222597034U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline connection, in particular to a smooth transition socket welding connection pipe fitting. Background Art
[0002] Existing socket welding pipe connection structure such as Figure 1 , 2 As shown, it includes pipe fittings and pipe materials 4 that are socketed with each other, wherein the pipe fittings include a socket section 1, a transition section 2 and a main section 3 that are arranged in sequence, the main section 3 can be connected to various pipe fitting components such as but not limited to elbows, tees, crosses, and wire fittings, and the pipe material 4 is inserted into the socket section 1 and connected by welding to form a welding portion 5 at the end of the socket 1.
[0003] The above-mentioned socket welding pipe connection structure has at least the following disadvantages: ① the inner wall of the pipe and the inner wall of the main body are not in a straight line to form a step, and there is an inconsistency in the axial diameter, which affects the flow of the fluid; ② the end of the pipe and the inside of the transition section do not fit well, forming a dead angle, causing bad fluid residue, which is not conducive to cleaning and maintenance, and affects the use requirements. Summary of the invention
[0004] The purpose of the utility model is to provide a smooth transition socket welding pipe fitting to solve the above problems.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a smooth transition socket welding connection pipe fitting, which protects the pipe fittings and pipes welded to each other, the pipe fitting includes a socket section, a transition section and a main section arranged in sequence, the inner diameter of the main section is equal to the inner diameter of the pipe; a chamfer is provided at the end of the pipe that is socketed with the pipe fitting, and the inner angle of the transition section is equal to the angle of the chamfer, so that the transition section is completely fitted with the end face of the pipe.
[0006] As a preferred technical solution, the outer diameter of the main body section is the same as the outer diameter of the socket section. Such a structure has a beautiful appearance and can reduce the processing amount and save costs when machining pipe fittings.
[0007] As a preferred technical solution, the end of the socket section is provided with a groove, which is used for welding and is beneficial to the reliability of welding.
[0008] As a preferred technical solution, the chamfer is an acute angle, and correspondingly, the inner angle of the transition section is an obtuse angle.
[0009] As a preferred technical solution, the chamfer is a right angle, and correspondingly, the inner angle of the transition section is also a right angle.
[0010] As a preferred technical solution, the chamfer is an obtuse angle, and correspondingly, the inner angle of the transition section is an acute angle.
[0011] Compared with the prior art, the advantages of the utility model are: the smooth transition socket welding connection pipe fitting of the utility model solves the problem of uneven step transition at the connection when different pipe sections are connected, which increases the fluid resistance, and the comprehensive resistance is reduced by at least 20%; the end of the pipe is fully fitted with the transition section of the pipe fitting, avoiding the problem of dead angles in the pipe and achieving the effect of zero dead angles. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is an exploded view of the existing socket welding pipe fitting structure;
[0013] Figure 2 It is the connection diagram of existing socket welding pipe fittings;
[0014] Figure 3 This is an exploded view of the socket welding pipe fitting structure of Example 1 of the utility model;
[0015] Figure 4 for Figure 3 Connection diagram of
[0016] Figure 5 This is an overall structural diagram of a pipe fitting according to Embodiment 1 of the present utility model;
[0017] Figure 6 This is a partial structural diagram of a pipe fitting according to Embodiment 2 of the present utility model;
[0018] Figure 7 This is a partial structural diagram of a pipe fitting according to Embodiment 3 of the present utility model;
[0019] Figure 8 This is an exploded view of the socket welding pipe fitting structure of Example 4 of the utility model;
[0020] Fig. 9 for Figure 7 Connection diagram of
[0021] Fig.10 This is a partial structural diagram of a pipe fitting according to Embodiment 5 of the present utility model;
[0022] Fig.11 Exploded view of the socket welding pipe fitting structure of Example 6 of the present utility model;
[0023] Fig.12 for Fig.10 Connection diagram of
[0024] Fig.13 This is a partial structural diagram of a pipe fitting according to Embodiment 7 of the present utility model;
[0025] Fig.14 This is an overall structural diagram of a pipe fitting according to Embodiment 8 of the present utility model;
[0026] Fig.15 This is an overall structural diagram of a pipe fitting according to Embodiment 9 of the present utility model;
[0027] Fig.16 This is an overall structural diagram of a pipe fitting according to Embodiment 10 of the present utility model;
[0028] Fig.17 This is an overall structural diagram of a pipe fitting according to Example 11 of the utility model;
[0029] Fig.18 This is an overall structural diagram of a pipe fitting according to Example 12 of the utility model;
[0030] Fig.19 This is an overall structural diagram of a pipe fitting according to Example 13 of the utility model;
[0031] Fig. 20 This is an overall structural diagram of a pipe fitting according to Embodiment 14 of the present utility model;
[0032] Fig.21 This is an overall structural diagram of a pipe fitting according to Embodiment 15 of the present utility model;
[0033] Fig. 22 This is another structural diagram of Example 7 of the utility model.
[0034] In the figure: 1. socket section; 2. transition section; 3. main section; 4. pipe; 5. welding part; 6. chamfer; 7. groove; 8. smooth transition connection; 9. flat end face. DETAILED DESCRIPTION
[0035] The utility model will be further described below in conjunction with the accompanying drawings. Example
[0036] See also Figure 3 , a smooth transition socket welding pipe fitting, protecting the mutually welded pipe fitting and pipe material 4, the pipe fitting comprises a socket section 1, a transition section 2 and a main body section 3 arranged in sequence, the inner diameter of the main body section 3 is equal to the inner diameter of the pipe material 4; a chamfer 6 is arranged at the end of the pipe material 4 that is socketed with the pipe fitting, and the inner angle of the transition section 2 is equal to the angle of the chamfer 6. In this embodiment, both are obtuse angles, with an angle of 135°. The pipe fitting of this embodiment is a two-way pipe, and its structure is as follows Figure 5 As shown, the structure after the pipe fitting and the pipe 4 are welded is as follows Figure 4 Said, from Figure 4 It can be seen from the figure that the end of the pipe is fully fitted with the transition section of the pipe fitting to form a smooth transition connection 8, which solves the problem of dead angles in the pipe. Example
[0037] Compared with Example 1, this embodiment Figure 6As shown, a groove 7 is provided at the end of the socket section 1, and the rest is the same as that of the first embodiment. Example
[0038] Compared with Example 2, this embodiment Figure 7 As shown, the outer diameter of the main body section 3 is the same as the outer diameter of the socket section 1, and the rest is the same as Example 1. Example
[0039] Compared with Example 1 or Example 2, this embodiment Figure 8 and Fig. 9 As shown, the inner angle of the transition section 2 is equal to the angle of the chamfer 6 and both are right angles, that is, one end of the tube 4 is a flat end surface 9, and the rest is the same as Example 1 or Example 2. Example
[0040] Compared with Example 4, this embodiment Fig.10 As shown, the outer diameter of the main body section 3 is the same as the outer diameter of the socket section 1, and the rest is the same as Example 4. Example
[0041] This embodiment is similar to embodiment 1. Fig.11 and Fig.12 As shown, the inner angle of the transition section 2 is equal to the angle of the chamfer 6 and both are acute angles. The angle in this embodiment is 45°, and the rest is the same as that in Embodiment 1. Example
[0042] Compared with Example 6, this embodiment Fig.13 As shown, the outer diameter of the main body section 3 is the same as the outer diameter of the socket section 1, and the rest is the same as Example 6.
[0043] Further, similar to the above, a groove 7 is provided at the end of the socket section 1, such as Fig. 22 shown. Example
[0044] Compared with Example 1, Example 2 or Example 3, the pipe fitting in this embodiment is a two-way elbow pipe, and its structure is as follows Fig.14 As shown, the rest is the same as Example 1 or Example 2 or Example 3. Example
[0045] Compared with Example 8, the pipe fitting in this embodiment is another form of two-way elbow pipe, and its structure is as follows: Fig.15 As shown, the rest is the same as Example 8. Example
[0046] Compared with Example 8, the pipe fitting in this embodiment is a three-way pipe, and its structure is as follows: Fig.16 As shown, the rest is the same as Example 8. Example
[0047] Compared with Example 8, the pipe fitting in this embodiment is a cross-shaped four-way pipe, and its structure is as follows: Fig.17 As shown, the rest is the same as Example 8. Example
[0048] Compared with Example 5, the pipe fitting in this embodiment is a two-way elbow pipe, and its structure is as follows: Fig.18 As shown, the rest is the same as Example 5. Example
[0049] Compared with Example 5, the pipe fitting in this embodiment is another form of two-way elbow pipe, and its structure is as follows: Fig.19 As shown, the rest is the same as Example 5. Example
[0050] Compared with Example 5, the pipe fitting in this embodiment is a three-way pipe, and its structure is as follows: Fig. 20 As shown, the rest is the same as Example 5 Example
[0051] Compared with Example 5, the pipe fitting in this embodiment is a cross-shaped four-way pipe, and its structure is as follows: Fig.21 As shown, the rest is the same as Example 5.
[0052] Those skilled in the art will appreciate that the pipe fittings may also be in other structural forms, and the internal angle of the transition section 2 of the above-mentioned two-way elbow, three-way pipe, four-way pipe, etc. and the chamfer 6 may also be an acute angle or other deformations as in the aforementioned embodiment 6.
[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A smooth transition socket welding pipe fitting, which protects the pipe fitting and the pipe material (4) welded to each other, the pipe fitting comprising a socket section (1), a transition section (2) and a main section (3) arranged in sequence, characterized in that: The inner diameter of the main body section (3) is equal to the inner diameter of the pipe (4); a chamfer (6) is provided at the end of the pipe (4) that is socketed with the pipe fitting, and the inner angle of the transition section (2) is equal to the angle of the chamfer (6).
2. A smooth transition socket welding pipe fitting according to claim 1, characterized in that: The outer diameter of the main body section (3) is the same as the outer diameter of the socket section (1).
3. A smooth transition socket welding pipe fitting according to claim 1, characterized in that: The end of the socket section (1) is provided with a groove (7).
4. A smooth transition socket welding pipe fitting according to claim 1, characterized in that: The chamfer (6) is an acute angle, and correspondingly, the inner angle of the transition section (2) is also an acute angle of the same angle.
5. A smooth transition socket welding pipe fitting according to claim 1, characterized in that: The chamfer (6) is a right angle, and correspondingly, the inner angle of the transition section (2) is also a right angle.
6. A smooth transition socket welding pipe fitting according to claim 1, characterized in that: The chamfer (6) is an obtuse angle, and correspondingly, the inner angle of the transition section (2) is also an obtuse angle of the same angle.