PE flange with protection structure
By introducing fixed structures and protective structures into PE flanges, the problems of complex installation and short service life of traditional flanges are solved, and the effects of rapid installation and long service life are achieved.
Patent Information
- Application Number
- CN202421125207.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Traditional PE flanges are complex and time-consuming to install, and the lack of protective structure leads to shortening service life and leakage problems.
Designed with a fixed structure and protective structure, the PE flange is equipped with gear discs, hexagon bolts, gears, slide discs and handles for quick installation, and prevent corrosion and loosening through protective covers and limit grooves.
The rapid installation of PE flanges is achieved, which reduces installation costs and extends the service life through protective structures, avoiding leakage and corrosion.
Smart Images

Figure CN222255541U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PE flanges, in particular to a PE flange with a protective structure. Background Art
[0002] PE flange, also known as polyethylene flange, is a flange made of polyethylene. It is widely used in the connection of gas and liquid pipelines in pipeline systems such as chemical, petroleum, and pharmaceutical. PE flange has good corrosion resistance, impact resistance, and wear resistance. It can operate stably for a long time in a variety of chemical media and is suitable for pipeline systems that transport various corrosive media.
[0003] The conventional existing technical solutions have the following defects:
[0004] 1. During the installation process, the flange usually needs to be fixed with bolts one by one. The installation process is complicated and time-consuming, and it is inconvenient to install quickly, which prolongs the installation time of workers, increases the installation cost, and affects the progress of the entire project;
[0005] 2. Traditional flanges are not properly protected. After long-term use, they will be corroded by dust, water, etc., which will affect the service life of the flanges. When the internal water flows through, it will generate vibrations, causing the connecting nuts to loosen. The pipe connection is not tight and causes leakage, affecting normal use. Utility Model Content
[0006] The utility model aims to provide a PE flange with a protective structure, so as to solve the defect of limited heating efficiency of the existing storage box opening and closing aging test device.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a PE flange with a protective structure, comprising a left flange root and a fixing structure, a right flange root is arranged on one side of the left flange root, and a right flange is sleeved on the outside of the right flange root, a left flange is sleeved on the outside of the left flange root, a fixing structure is arranged between the left flange and the right flange, and a protective structure is arranged on the outside of the left flange and the right flange; the fixing structure comprises a toothed disc, a hexagonal bolt, a gear, a sliding disc and a handle; the toothed disc is arranged on one side of the right flange, a sliding disc is arranged on the inner edge of the toothed disc, hexagonal bolts are penetrated inside the right flange at the corner of the toothed disc, and gears are fixed on one side of the hexagonal bolts, and handles are fixed on both ends of one side of the toothed disc.
[0008] Preferably, the protective structure comprises a left protective cover, a right protective cover and a limiting groove, the left protective cover is arranged on the outside of the left flange, and the inside of the left protective cover is provided with an internal thread.
[0009] Preferably, a right protective cover is provided on one side of the left protective cover, and an external thread is provided on one side of the right protective cover, and the left protective cover and the right protective cover are threadedly connected.
[0010] Preferably, limiting grooves are fixed at the corners on the inner side of the right protective cover, and the positions of the limiting grooves correspond to those of the hexagonal bolts, and the shapes of the limiting grooves and one end of the hexagonal bolts match.
[0011] Preferably, the toothed disc and the gear are meshed with each other, a sliding structure is formed between the toothed disc and the right flange, and a rotating structure is formed between the toothed disc and the right flange.
[0012] Preferably, threaded sleeves are provided at the corners of the left flange, and the hexagonal bolts and the left flange are threadedly connected.
[0013] Preferably, a sliding structure is formed between the right flange and the right flange root, and a sliding structure is formed between the left flange and the left flange root.
[0014] The PE flange with a protective structure provided by the utility model has the advantages that: by providing a fixing structure, the left and right flanges are respectively inserted into the outside of the left and right flange roots, and then the hexagonal bolts are made to correspond to the threaded sleeves on the left flange, and the handle is pulled to rotate the gear plate, and the four groups of hexagonal bolts are driven to rotate simultaneously through the gears, and the hexagonal bolts are rotated through the threaded fit and continuously locked with the threaded sleeves, and are locked when rotated to the top, so that the PE flange is easy to install quickly, the installation time of workers is reduced, and the installation cost is reduced;
[0015] By providing a protective structure, after the left and right flanges are fixed and locked, the right protective cover is moved onto the right flange so that the limiting groove inside it coincides with one end of the hexagonal bolt, and then the left protective cover is rotated and fixed between the left and right protective covers through threaded connection, so that the protective cover seals the connection of the flange, thereby enhancing the protection of the PE flange, preventing the flange from being corroded by water, dust, etc., and extending the service life. The clamping and locking between the limiting groove and the hexagonal bolt can effectively prevent the bolt from loosening and enhance the use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the protective structure of the utility model in a disassembled state from the left side;
[0018] Figure 3 It is a three-dimensional structural schematic diagram of the protective structure of the utility model in a disassembled state from the right side;
[0019] Figure 4It is a three-dimensional structural schematic diagram of the left flange and the right flange of the utility model in the separated state;
[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the right flange in a half-section state of the utility model.
[0021] In the figure: 1. protective structure; 101. left protective cover; 102. right protective cover; 103. limiting groove; 2. left flange root; 3. right flange root; 4. fixing structure; 401. gear plate; 402. hexagonal bolt; 403. gear; 404. sliding plate; 405. handle; 5. left flange; 6. right flange. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-Figure 5 The PE flange with a protective structure provided by the utility model comprises a left flange root 2 and a fixing structure 4, a right flange root 3 is arranged on one side of the left flange root 2, and a right flange 6 is sleeved on the outside of the right flange root 3, a left flange 5 is sleeved on the outside of the left flange root 2, a fixing structure 4 is arranged between the left flange 5 and the right flange 6, and a protective structure 1 is arranged on the outside of the left flange 5 and the right flange 6; the protective structure 1 comprises a left protective cover 101, a right protective cover 102 and a limiting groove 103, the left protective cover 101 is arranged on the outside of the left flange 5, an internal thread is arranged on the inside of the left protective cover 101, a right protective cover 102 is arranged on one side of the left protective cover 101, and an external thread is arranged on one side of the right protective cover 102, the left protective cover 101 and the right protective cover 102 are threadedly connected, a sliding structure is formed between the right flange 6 and the right flange root 3, and a sliding structure is formed between the left flange 5 and the left flange root 2;
[0024] Refer to the attached Figure 2 and Figure 3 When the device is used, the left and right flanges 6 are respectively inserted into the outside of the left and right flange roots 3, and then the left and right protective covers 102 are put on the outside of the flanges. The left and right flange roots 3 are connected to the pipeline by hot-melt technology, and then the hexagonal bolts 402 are aligned with the threaded sleeves on the left flange 5, and then the handle 405 is pulled to rotate the gear plate 401, and the four groups of hexagonal bolts 402 are driven to rotate at the same time through the gear 403. The hexagonal bolts 402 rotate through the threaded fit and are continuously locked with the threaded sleeves. When they are rotated to the top, they are locked, which is convenient for quick installation and reduces installation costs;
[0025] The fixing structure 4 includes a toothed disc 401, a hexagonal bolt 402, a gear 403, a sliding disc 404 and a handle 405; the toothed disc 401 is arranged on one side of the right flange 6, and the sliding disc 404 is arranged on the inner edge of the toothed disc 401. The right flange 6 at the corner of the toothed disc 401 is penetrated by the hexagonal bolt 402, and the gear 403 is fixed on one side of the hexagonal bolt 402. The handle 405 is fixed on both ends of one side of the toothed disc 401. The limiting grooves 103 are fixed at the corners, and the position of the limiting grooves 103 corresponds to that of the hexagonal bolts 402. The limiting grooves 103 and one end of the hexagonal bolts 402 are in conformity with each other in shape. The toothed disc 401 and the gear 403 are meshed with each other. The toothed disc 401 and the right flange 6 form a sliding structure. The toothed disc 401 and the right flange 6 form a rotating structure. The corners of the left flange 5 are provided with screw sleeves. The hexagonal bolts 402 and the left flange 5 are threadedly connected.
[0026] Refer to the attached Figure 4 and Figure 5 When the device is used, the right protective cover 102 is moved onto the right flange 6 so that the limiting groove 103 inside it overlaps with one end of the hexagonal bolt 402, and then the left protective cover 101 is rotated and fixed between the left and right protective covers 102 by threaded connection, so that the protective cover seals the connection of the flange, thereby preventing water, dust, etc. from corroding the flange and extending the service life. The limiting groove 103 and the hexagonal bolt 402 are clamped and locked, which can effectively prevent the bolt from loosening and enhance the use effect.
[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. PE flange with protective structure, including left flange root (2) and fixing structure (4); Features: A right flange root (3) is arranged on one side of the left flange root (2), and a right flange plate (6) is sleeved on the outside of the right flange root (3); a left flange plate (5) is sleeved on the outside of the left flange root (2); a fixing structure (4) is arranged between the left flange plate (5) and the right flange plate (6); and a protective structure (1) is arranged on the outside of the left flange plate (5) and the right flange plate (6); The fixing structure (4) comprises a toothed disc (401), a hexagonal bolt (402), a gear (403), a sliding disc (404) and a handle (405); The toothed disc (401) is arranged on one side of the right flange (6), a sliding disc (404) is arranged on the inner edge of the toothed disc (401), hexagonal bolts (402) penetrate the inside of the right flange (6) at the corner of the toothed disc (401), a gear (403) is fixed on one side of the hexagonal bolts (402), and handles (405) are fixed on both ends of one side of the toothed disc (401).
2. The PE flange with a protective structure according to claim 1, characterized in that: The protective structure (1) comprises a left protective cover (101), a right protective cover (102) and a limiting groove (103); the left protective cover (101) is arranged on the outside of the left flange (5); and the inside of the left protective cover (101) is provided with an internal thread.
3. The PE flange with a protective structure according to claim 2, characterized in that: A right protective cover (102) is provided on one side of the left protective cover (101), and an external thread is provided on one side of the right protective cover (102), and the left protective cover (101) and the right protective cover (102) are threadedly connected.
4. The PE flange with a protective structure according to claim 3, characterized in that: The right protective cover (102) is fixed with a limiting groove (103) at the inner corner, and the position of the limiting groove (103) corresponds to the position of the hexagonal bolt (402), and the shape of the limiting groove (103) and one end of the hexagonal bolt (402) are consistent.
5. The PE flange with a protective structure according to claim 1, characterized in that: The toothed disc (401) and the gear (403) are meshed with each other, a sliding structure is formed between the toothed disc (401) and the right flange (6), and a rotating structure is formed between the toothed disc (401) and the right flange (6).
6. The PE flange with a protective structure according to claim 1, characterized in that: The corners of the left flange (5) are all provided with screw sleeves, and the hexagonal bolts (402) and the left flange (5) are threadedly connected.
7. The PE flange with a protective structure according to claim 1, characterized in that: A sliding structure is formed between the right flange (6) and the right flange root (3), and a sliding structure is formed between the left flange (5) and the left flange root (2).