Lightweight PVDF (Polyvinylidene Fluoride) pipe
By setting external grooves and built-in reinforcement ribs on the outer wall of the PVDF pipe, the design of the components is solved, and the lightweight problem caused by the thickness of the PVDF pipe is improved, achieving the improvement of lightweight and stability.
Patent Information
- Application Number
- CN202422778346.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-14
AI Technical Summary
PVDF pipes have a thicker thickness, resulting in a low degree of lightweightness.
An external groove is provided on the outer wall of the pipe, and reinforcement ribs and reinforcement components are installed in the groove, including a semi-ring reinforcement plate and an auxiliary reinforcement plate. They are fixed by a clamping rod to form lightweight while enhancing structural stability.
The lightweight PVDF pipes are achieved, while improving the stability of the pipes and structural strength.
Smart Images

Figure CN223294405U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of PVDF pipes, in particular to a lightweight PVDF pipe. Background Art
[0002] PVDF pipe, or polyvinylidene fluoride pipe, is a high-performance plastic pipe made from polyvinylidene fluoride resin through a special extrusion or injection molding process. VDF pipe is extremely chemically inert to most acids, alkalis, salts, and various organic solvents, and can resist the erosion of various chemicals. Therefore, it is particularly suitable for scenarios such as chemical wastewater treatment and acid and alkaline liquid transportation. It also has excellent UV resistance and is not easily aged by long-term exposure to sunlight, which can maintain the long-term stability and service life of the pipe. However, it still has the following defects:
[0003] In order to ensure the flow stability of PVDF pipes, the wall thickness of the pipe is set to be thicker, making it difficult to make PVDF pipes lightweight. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a lightweight PVDF pipe, which effectively solves the problem that the thickness of the PVDF pipe wall is relatively thick and the lightweight degree is low.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a lightweight PVDF pipe, including a pipe, the pipe including a pipe body, an external groove is opened on the outside of the pipe body, and reinforcing ribs are symmetrically installed on the upper and lower sides of the inside of the external groove, and the two ends of the reinforcing ribs are respectively fixedly connected to the inner walls of the two ends of the external groove, and the external groove is divided into two installation grooves by two reinforcing ribs, and an external reinforcement component is installed inside the installation groove.
[0006] Preferably, positioning grooves are equidistantly provided on both sides of the reinforcing rib, and a clamping groove is equidistantly provided on the top of the upper reinforcing rib, and the clamping groove is located between the two corresponding positioning grooves.
[0007] Preferably, the external reinforcement component includes semi-ring reinforcement plates that are equidistant and correspondingly installed in two installation grooves. Positioning blocks are symmetrically installed at both ends of the semi-ring reinforcement plate, and the positioning blocks are snapped into the positioning grooves. Positioning blocks are opened inside the semi-ring reinforcement plate, and auxiliary reinforcement parts are installed inside the positioning blocks. A snap-on mounting part is installed between the two semi-ring reinforcement plates.
[0008] Preferably, the outer diameter of the semi-ring reinforcement plate is the same as the outer diameter of the tube body, and the inner side wall of the semi-ring reinforcement plate is in close contact with the inner wall of the external groove.
[0009] Preferably, the auxiliary reinforcement comprises plate grooves opened at equal angles on the two inner side walls of the internal groove, auxiliary reinforcement plates are installed at equal angles inside the internal groove, and both ends of the auxiliary reinforcement plates are respectively inserted into the corresponding two plate grooves.
[0010] Preferably, side limit grooves are symmetrically provided on both sides of the auxiliary reinforcement plate, and end limit grooves are symmetrically provided at both ends of the internal groove, the end limit grooves correspond to the side limit grooves, and limit plates are symmetrically installed on both sides of the internal groove, and the limit plates are snapped into the side limit grooves and the end limit grooves. The two limit plates limit each auxiliary reinforcement plate, and a snap-in groove is provided at the top of the limit plate, and an insertion groove is provided at the top of the upper end limit groove.
[0011] Preferably, the clip-on mounting component includes a top plate installed above the upper reinforcing rib, four clip-on rods are installed at the bottom end of the top plate, the clip-on rods pass through the insertion slot and are clipped into the inside of the clip-on slot, and a clip rod is fixedly installed at the bottom end of the top plate, and the clip rod is clipped into the inside of the clip slot.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] During operation, an external groove is provided on the outer wall of the pipe body, and reinforcing ribs are symmetrically installed inside the external groove, so that the pipe is designed to be lightweight and reinforced by the reinforcing ribs. At the same time, a semi-ring reinforcing plate can be installed equidistantly inside the external groove, and an internal groove is provided inside the semi-ring reinforcing plate to ensure the lightweight effect. At the same time, the semi-ring reinforcing plate and the internal auxiliary reinforcing plate strengthen the pipe body, thereby improving the stability of the pipe in use.
[0014] During operation, side limit grooves are symmetrically opened on both sides of the auxiliary reinforcement plate, and end limit grooves are symmetrically opened at both ends of the internal groove. Limiting plates are installed in the side limit grooves and the end limit grooves to limit the auxiliary reinforcement plate. At the same time, the clamping rod passes through the insertion slot and is clamped into the clamping slot, so that the limit plate and the semi-ring reinforcement plate can be clamped and fixed, which is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.
[0016] In the attached figure:
[0017] Figure 1 This is a schematic diagram of the structure of a lightweight PVDF pipe in the utility model;
[0018] Figure 2 This is a schematic diagram of the pipe structure of the present utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the external reinforcement component of the present utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the semi-ring reinforcement plate of the present utility model;
[0021] Figure 5 This is a schematic diagram of the internal groove structure of the utility model;
[0022] Figure 6 This is a schematic diagram of the auxiliary reinforcement plate structure of the present utility model;
[0023] Figure 7 This is a schematic structural diagram of the clamping mounting piece of the present invention.
[0024] In the figure: 1. Pipe; 101. Pipe body; 102. External groove; 103. Reinforcing rib; 104. Positioning groove; 105. Clamping groove; 2. External reinforcement assembly; 201. Semi-ring reinforcement plate; 202. Internal groove; 203. Positioning block; 204. Auxiliary reinforcement member; 2041. Plate groove; 2042. Auxiliary reinforcement plate; 2043. Side limiting groove; 2044. End limiting groove; 2045. Limiting plate; 2046. Insertion groove; 2047. Snap-in groove; 205. Snap-in mounting member; 2051. Top plate; 2052. Snap-in rod; 2053. Clamping rod. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0026] Depend on Figure 1-7 The utility model relates to a lightweight PVDF pipe, including a pipe 1, which includes a pipe body 101. An external groove 102 is provided on the outside of the pipe body 101, and reinforcing ribs 103 are symmetrically installed on the upper and lower sides of the internal part of the external groove 102. The two ends of the reinforcing rib 103 are respectively fixedly connected to the inner walls of the two ends of the external groove 102. The external groove 102 is divided into two installation grooves by two reinforcing ribs 103, and an external reinforcement component 2 is installed inside the installation groove. Positioning grooves 104 are equidistantly provided on both sides of the reinforcing rib 103, and a card groove 105 is equidistantly provided on the top of the upper reinforcing rib 103. The card groove 105 is located between the corresponding two positioning grooves 104.
[0027] The external reinforcement component 2 includes a semi-ring reinforcement plate 201 that is equidistant and correspondingly installed in two installation grooves. Positioning blocks 203 are symmetrically installed at both ends of the semi-ring reinforcement plate 201, and the positioning blocks 203 are snapped into the inside of the positioning groove 104. A positioning block 203 is opened inside the semi-ring reinforcement plate 201, and an auxiliary reinforcement member 204 is installed inside the positioning block 203. A snap-on mounting member 205 is installed between the two semi-ring reinforcement plates 201. The outer diameter of the semi-ring reinforcement plate 201 is the same as the outer diameter of the tube body 101, and the inner side wall of the semi-ring reinforcement plate 201 is in close contact with the inner wall of the external groove 102.
[0028] The auxiliary reinforcement member 204 includes a plate groove 2041 opened at an equal angle on the two inner side walls of the internal groove 202, an auxiliary reinforcement plate 2042 is installed at an equal angle inside the internal groove 202, and the two ends of the auxiliary reinforcement plate 2042 are respectively inserted into the corresponding two plate grooves 2041, and the auxiliary reinforcement plate 2042 is symmetrically opened with side limiting grooves 2043 on both sides, and the two ends of the internal groove 202 are symmetrically opened with end limiting grooves 2044, and the end limiting grooves 2044 correspond to the side limiting grooves 2043. Limiting plates 2045 are symmetrically installed on both sides of the internal groove 202, and the limiting plates 2045 are snapped into the side limiting grooves 2043 and the end limiting grooves 2044. The two limiting plates 2045 are opposite to each other. Each auxiliary reinforcement plate 2042 is limited, and a snap-in groove 2047 is provided at the top of the limiting plate 2045, and an insertion groove 2046 is provided at the top of the upper end limiting groove 2044. An external groove 102 is provided on the outer wall of the tube body 101, and reinforcing ribs 103 are symmetrically installed inside the external groove 102. The tube is designed to be lightweight and reinforced by the reinforcing ribs 103. At the same time, the semi-ring reinforcement plates 201 can be equidistantly installed inside the external groove 102, and the semi-ring reinforcement plates 201 are provided with internal grooves 202 to ensure the lightweight effect. At the same time, the semi-ring reinforcement plates 201 and the internal auxiliary reinforcement plates 2042 strengthen the tube body 101, thereby improving the stability of the tube.
[0029] The clip-on mounting part 205 includes a top plate 2051 installed above the upper reinforcing rib 103, and four clip-on rods 2052 are installed at the bottom end of the top plate 2051, and the clip-on rods 2052 pass through the insertion slots 2046 and are clipped into the clip-on slots 2047. A clip-on rod 2053 is fixedly installed at the bottom end of the top plate 2051, and the clip-on rod 2053 is clipped into the clip-on slot 105. Side limiting grooves 2043 are symmetrically opened on both sides of the auxiliary reinforcing plate 2042, and end limiting grooves 2044 are symmetrically opened at both ends of the internal groove 202. Limiting plates 2045 are installed in the side limiting grooves 2043 and the end limiting grooves 2044 to limit the auxiliary reinforcing plate 2042. At the same time, the clip-on rods 2052 pass through the insertion slots 2046 and are clipped into the clip-on slots 2047, so that the limiting plates 2045 and the semi-ring reinforcing plate 201 can be clipped and fixed, which is convenient for installation.
[0030] Working Principle: An external groove 102 is formed on the outer wall of the pipe body 101, and reinforcing ribs 103 are symmetrically installed in the external groove 102. The external groove 102 can reduce the material usage of the pipe 1, making the pipe lighter. The reinforcing ribs 103 in the external groove 102 can also strengthen the pipe 1. After the pipe is lightweight, the pipe 1 can be strengthened.
[0031] When the pipeline 1 needs to be further strengthened, the external reinforcement components 2 are equidistantly installed in the two installation grooves in the external groove 102, wherein the external reinforcement component 2 is composed of two corresponding semi-ring reinforcement plates 201, and positioning blocks 203 are installed at both ends of the semi-ring reinforcement plate 201, so that the positioning blocks 203 are snapped into the positioning grooves 104 on the two reinforcement ribs 103, and the inner side wall of the semi-ring reinforcement plate 201 is tightly attached to the inner wall of the external groove 102, so as to further strengthen the pipeline 1, and the inner groove 202 is opened inside the semi-ring reinforcement plate 201, so that the semi-ring reinforcement plate 201 can be lightweight, and the number of external reinforcement components 2 installed in the external groove 102 can be selected, so that after the semi-ring reinforcement plate 201 is installed on the pipeline 1, the pipeline 1 still has a lightweight effect;
[0032] An auxiliary reinforcement plate 2042 is installed in the plate groove 2041 of the internal groove 202. The auxiliary reinforcement plate 2042 can further strengthen the pipeline 1. The limiting plates 2045 are installed in the side limiting grooves 2043 and the end limiting grooves 2044 to limit the auxiliary reinforcement plate 2042. Then, the four clamping rods 2052 at the bottom end of the top plate 2051 are passed through the four insertion grooves 2046 and clamped into the clamping grooves 2047, and the clamping rods 2053 at the bottom end of the top plate 2051 are clamped into the inside of the clamping groove 105, thereby clamping and fixing the semi-ring reinforcement plate 201 and the auxiliary reinforcement plate 2042.
Claims
1. A lightweight PVDF pipe, comprising a pipe (1), characterized in that: The pipe (1) comprises a pipe body (101), an external groove (102) is provided on the outside of the pipe body (101), reinforcing ribs (103) are symmetrically installed on the upper and lower sides of the interior of the external groove (102), the two ends of the reinforcing ribs (103) are respectively fixedly connected to the inner walls of the two ends of the external groove (102), the external groove (102) is divided into two installation grooves by the two reinforcing ribs (103), and the external reinforcement assembly (2) is installed inside the installation groove.
2. The lightweight PVDF pipe according to claim 1, characterized in that: Positioning grooves (104) are equidistantly provided on both sides of the reinforcing rib (103), and a clamping groove (105) is equidistantly provided on the top of the upper reinforcing rib (103), and the clamping groove (105) is located between the two corresponding positioning grooves (104).
3. The lightweight PVDF pipe according to claim 1, characterized in that: The external reinforcement assembly (2) comprises semi-ring reinforcement plates (201) which are equidistant and correspondingly installed in two installation grooves; positioning blocks (203) are symmetrically installed at both ends of the semi-ring reinforcement plate (201); the positioning blocks (203) are snapped into the interior of the positioning groove (104); a positioning block (203) is provided inside the semi-ring reinforcement plate (201); an auxiliary reinforcement member (204) is installed inside the positioning block (203); and a snap-fit installation member (205) is installed between the two semi-ring reinforcement plates (201).
4. The lightweight PVDF pipe according to claim 3, characterized in that: The outer diameter of the semi-ring reinforcement plate (201) is the same as the outer diameter of the tube body (101), and the inner side wall of the semi-ring reinforcement plate (201) is in close contact with the inner wall of the outer groove (102).
5. The lightweight PVDF pipe according to claim 3, characterized in that: The auxiliary reinforcement member (204) comprises plate grooves (2041) provided at equal angles on the two inner side walls of the internal groove (202); an auxiliary reinforcement plate (2042) is installed at equal angles inside the internal groove (202); and both ends of the auxiliary reinforcement plate (2042) are respectively inserted into the corresponding two plate grooves (2041).
6. The lightweight PVDF pipe according to claim 5, characterized in that: The auxiliary reinforcing plate (2042) is symmetrically provided with side limiting grooves (2043) on both sides, and the end limiting grooves (2044) are symmetrically provided at both ends of the internal groove (202), and the end limiting grooves (2044) correspond to the side limiting grooves (2043). The limiting plates (2045) are symmetrically installed on both sides of the internal groove (202), and the limiting plates (2045) are snapped into the side limiting grooves (2043) and the end limiting grooves (2044). The two limiting plates (2045) limit each auxiliary reinforcing plate (2042), and the top of the limiting plate (2045) is provided with a snap-in groove (2047), and the top of the upper end limiting groove (2044) is provided with an insertion groove (2046).
7. The lightweight PVDF pipe according to claim 6, characterized in that: The snap-fit mounting member (205) comprises a top plate (2051) mounted above the upper reinforcing rib (103); four snap-fitting rods (2052) are mounted on the bottom end of the top plate (2051); the snap-fitting rods (2052) pass through the insertion slots (2046) and snap into the inside of the snap-fitting slots (2047); a snap-fitting rod (2053) is fixedly mounted on the bottom end of the top plate (2051); the snap-fitting rod (2053) snaps into the inside of the snap-fitting slots (105).
Citation Information
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