A-shaped pipe internally provided with inclined struts
By incorporating a combined support structure of diagonal braces and vertical ribs within the wound tube, the problem of deformation of the wound A-type tube under load was solved, achieving higher structural stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 浙江中财管道科技股份有限公司
- Filing Date
- 2025-06-11
- Publication Date
- 2026-04-28
AI Technical Summary
Commercially available wound A-type tubing is prone to deformation under heavy loads, leading to instability.
Diagonal braces are installed inside the spiral tube. The combination of diagonal braces and vertical ribs enhances the stability of the rectangular tube and prevents deformation.
It improves the stability of the A-type tube, prevents the rectangular tube from deforming into a parallelogram under pressure, and enhances the overall structural stability of the wound tube.
Smart Images

Figure CN224174689U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of winding pipes, in particular to an A-type pipe with internal diagonal braces Background Art
[0002] Conventional winding A-type pipes on the market, such as Figure 3 shown, are formed by the winding process of a winding pipe 91 with a square cross-section. The larger the inner diameter of the A-type pipe, the larger the geometric size of the winding pipe; since the cross-section of the winding pipe is square, under a large load, such as Figure 4 , the winding pipe is prone to deformation, and the cross-section changes from square to parallelogram, resulting in instability Content of the Utility Model
[0003] In order to solve the shortcoming that the existing A-type pipes are prone to deformation, the utility model provides an A-type pipe with internal diagonal braces to prevent its deformation
[0004] To achieve the above object, the utility model adopts the following technical scheme
[0005] An A-type pipe with internal diagonal braces includes a pipe body formed by helically winding a winding pipe. The winding pipe includes a rectangular pipe and diagonal braces. The rectangular pipe is formed by enclosing two first pipe walls arranged front and back and two second pipe walls arranged inside and outside. The inner and outer widths of the rectangular pipe are W1, and the front and back widths of the rectangular pipe are W2, where 1.8 < W2 / W1 < 2.2. There are two diagonal braces. One side of one diagonal brace is fixedly connected between the front first pipe wall and the inner second pipe wall, and the other side is fixedly connected to the middle of the outer second pipe wall; one side of the other diagonal brace is fixedly connected between the rear first pipe wall and the inner second pipe wall, and the other side is fixedly connected to the middle of the outer second pipe wall
[0006] Through the above setting, internal diagonal braces are provided, and the diagonal braces support the rectangular pipe. After the rectangular pipe is compressed, it is not easy to deform
[0007] Specifically, the spiral wound tube is formed by extrusion. The spiral wound tube is spirally wound and formed into a tube body with smooth inner and outer surfaces through hot melting or welding processes. The figure shows the front and back directions of the A-type tube. The side of the spiral wound tube closer to the tube body axis corresponds to its inner side, and the side away from the tube body axis corresponds to its outer side. The cross-section of the rectangular tube is rectangular. Adjacent turns of the rectangular tube are fixed together by the first tube wall. The inner second tube wall extends spirally to form the inner wall of the tube body, and the outer second tube wall extends spirally to form the outer wall of the tube body. Two diagonal braces are symmetrically arranged front and back to form a V-shaped structure with the opening facing inward. One side of the diagonal brace is fixedly connected to the inner corner of the rectangular tube, and the other side is inclined outward and fixedly connected to the middle of the outer second tube wall. The diagonal brace supports the outer second tube wall. After the rectangular tube is compressed, the outer second tube wall of the rectangular tube is not easy to collapse and deform inward. In addition, as shown in the figure, the cross-section of the multi-turn spiral wound tube forms a truss-like structure, which has better stability than the traditional square tube type A-type tube. After the A-type tube of this application is compressed, the rectangular tube will not shift and deform back and forth to become a parallelogram structure, and the A-type tube has better stability.
[0008] Furthermore, the spiral tube also includes two vertical ribs, which correspond one-to-one with two diagonal braces. One side of the vertical rib is fixedly connected to the middle of the corresponding diagonal brace, and the other side of the vertical rib is fixedly connected to the outer second pipe wall.
[0009] The above settings further enhance the stability of the A-type tube, making the rectangular tube less prone to deformation.
[0010] The vertical rib support of this application is located between the diagonal brace and the outer second pipe wall, forming a support point in the middle of the diagonal brace. After the winding pipe is compressed, the outer second pipe wall of the rectangular tube of the winding pipe transmits the pressure to the diagonal brace. Under the action of the vertical rib support, the diagonal brace will not bend under pressure, thereby preventing the rectangular tube from collapsing and deforming inward.
[0011] Furthermore, the vertical ribs are vertically and fixedly connected to the outer second pipe wall.
[0012] With the above setup, the vertical ribs support the outer second pipe wall, further preventing the outer second pipe wall from collapsing and deforming inward.
[0013] Furthermore, the thickness of the rectangular tube is t, 10%. <t / W1<15%。
[0014] Furthermore, the material of the spiral wound tube is PE.
[0015] Furthermore, the A-type tube also includes a flared end that is fixedly connected to one end of the tube body.
[0016] The above settings facilitate the connection of Type A pipes to pipe sockets via flaring. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the A-type tube in an embodiment.
[0018] Figure 2 Cross-sectional view of the wound pipe of the embodiment.
[0019] Figure 3 Cross-sectional view of the existing Type A pipe.
[0020] Figure 4 Schematic diagram of the deformation of the existing Type A pipe. Detailed implementation manners
[0021] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings.
[0022] As Figures 1 to 2 , a Type A pipe with internal diagonal braces includes a pipe body formed by helically winding a wound pipe. The wound pipe includes a rectangular pipe 2 and diagonal braces 3. The rectangular pipe 2 is surrounded by two first pipe walls 21 arranged front and back and two second pipe walls 22 arranged inside and outside. The width of the inner and outer sides of the rectangular pipe 2 is W1, and the width of the front and back sides of the rectangular pipe 2 is W2, where 1.8 < W2 / W1 < 2.2. There are two diagonal braces 3. One side of one diagonal brace 3 is fixedly connected between the front first pipe wall 21 and the inner second pipe wall 22, and the other side is fixedly connected to the middle of the outer second pipe wall 22; one side of the other diagonal brace 3 is fixedly connected between the rear first pipe wall 21 and the inner second pipe wall 22, and the other side is fixedly connected to the middle of the outer second pipe wall 22.
[0023] Through the above settings, with internal diagonal braces 3, the diagonal braces 3 support the rectangular pipe 2, and the rectangular pipe 2 is not easily deformed after being compressed.
[0024] Specifically, the wound pipe is extruded and helically wound, and a pipe body with smooth inner and outer surfaces is formed through a hot-melt or welding process. Figure 1 The front and back directions of the Type A pipe are marked in Figure 1 . The side of the wound pipe close to the axis of the pipe body corresponds to its inner side, and the side facing away from the axis of the pipe body corresponds to its outer side. The cross-section of the rectangular pipe 2 is rectangular. Adjacent turns of the rectangular pipe 2 are fixed together through the first pipe wall 21. The inner second pipe wall 22 spirally extends to form the inner wall of the pipe body, and the outer second pipe wall 22 spirally extends to form the outer wall of the pipe body; the two diagonal braces 3 are symmetrically arranged front and back, forming a V-shaped structure with an opening inward. One side of the diagonal brace 3 is fixedly connected to the inner inner corner of the rectangular pipe 2, and the other side inclines outward and is fixedly connected to the middle of the outer second pipe wall 22. On the one hand, the diagonal brace 3 supports the outer second pipe wall 22. After the rectangular pipe 2 is compressed, the outer second pipe wall 22 of the rectangular pipe 2 is not easily collapsed and deformed inward. In addition, as Figure 1 , the cross-sections of multiple turns of the wound pipe form a truss-like structure, and the stability is better than that of the traditional square-pipe Type A pipe. After the Type A pipe of the present application is compressed, the rectangular pipe 2 will not be deformed by moving forward and backward and become a parallelogram structure, and the stability of the Type A pipe is better.
[0025] As one implementation method, the winding tube also includes two vertical ribs 4, which correspond one-to-one with two diagonal braces 3. One side of the vertical rib 4 is fixedly connected to the middle of the corresponding diagonal brace 3, and the other side of the vertical rib 4 is fixedly connected to the outer second pipe wall 22.
[0026] The above settings further enhance the stability of the A-type tube, making the rectangular tube 2 less prone to deformation.
[0027] The vertical rib 4 of this application is supported between the diagonal brace 3 and the outer second pipe wall 22, forming a support point in the middle of the diagonal brace 3. After the winding tube is compressed, the outer second pipe wall 22 of the rectangular tube 2 of the winding tube transmits the pressure to the diagonal brace 3. Under the support of the vertical rib 4, the diagonal brace 3 will not bend under pressure, thereby preventing the rectangular tube 2 from collapsing and deforming inward.
[0028] As one implementation method, the vertical rib 4 is vertically fixedly connected to the outer second pipe wall 22.
[0029] With the above configuration, the vertical rib 4 supports the outer second pipe wall 22, further preventing the outer second pipe wall 22 from collapsing and deforming inward.
[0030] As one implementation method, the thickness of rectangular tube 2 is t, 10%. <t / W1<15%。
[0031] As one implementation method, the material of the spiral wound tube is PE.
[0032] As one implementation method, the A-type pipe also includes a flared end 5 that is fixedly connected to one end of the pipe body.
[0033] The above settings facilitate the connection of type A pipe to the pipe socket via the flared end 5.
[0034] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.
Claims
1. An A-type tube with internal diagonal bracing, characterized in that, It includes a pipe body formed by helically winding a winding pipe. The winding pipe includes a rectangular pipe and diagonal braces. The rectangular pipe is formed by enclosing two first pipe walls arranged front and back and two second pipe walls arranged inside and outside. The width of the rectangular pipe on the inner and outer sides is W1, and the width of the rectangular pipe on the front and back sides is W2, where 1.8 < W2 / W1 < 2.
2. There are two diagonal braces. One side of one diagonal brace is fixedly connected between the front first pipe wall and the inner second pipe wall, and the other side is fixedly connected to the middle of the outer second pipe wall; one side of the other diagonal brace is fixedly connected between the rear first pipe wall and the inner second pipe wall, and the other side is fixedly connected to the middle of the outer second pipe wall.
2. The A-type tube with internal diagonal bracing according to claim 1, characterized in that, The winding pipe further includes two vertical ribs, which correspond to the two diagonal braces one by one. One side of the vertical rib is fixedly connected to the middle of the corresponding diagonal brace, and the other side of the vertical rib is fixedly connected to the outer second pipe wall.
3. The A-type tube with internal diagonal bracing according to claim 2, characterized in that, The vertical rib is fixedly connected to the outer second pipe wall perpendicularly.
4. The A-type tube with internal diagonal bracing according to claim 3, characterized in that, The thickness of the rectangular pipe is t, where 10% < t / W1 < 15%.
5. An A-type tube with internal diagonal bracing according to claim 1, characterized in that, The material of the winding pipe is PE.
6. An A-type tube with internal diagonal bracing according to claim 1, characterized in that, The type A pipe further includes a flared opening fixedly connected to one end of the pipe body.