High-strength antiskid device for flange
By designing a high-strength anti-slip device in the flange connection, the combination of nut, nut limiting disc and limiting device is used to solve the loosening problem caused by vibration and other factors of the flange connection, achieving higher anti-slip performance and operating stability.
Patent Information
- Application Number
- CN202421341645.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing flange connection technology often loosens due to factors such as vibration, temperature changes, pressure changes, etc., which affects the normal operation of equipment or pipelines and may cause safety accidents.
A high-strength anti-slip device for flange is designed to strengthen the flange connection by installing a simple combination of nuts, nut limiting disks and limiting devices. The nut limiting disc is designed to make the nut not slide easily under external force. The limiting device uses the structure of spring and clamp to tightly fix the nut limiting disc to enhance anti-slip performance.
The device is not only convenient to install, but also improves working efficiency, enhances the anti-slip performance of flange connections, reduces the occurrence of loosening, and improves the operating stability and safety of equipment or pipelines.
Smart Images

Figure CN222687555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of flanges, and more specifically to a high-strength anti-slip device for flanges. Background Art
[0002] In the field of engineering technology, flange connection is a widely used connection method, which connects different equipment or pipeline components tightly through flanges. However, in the existing flange connection technology, due to the influence of factors such as vibration, temperature changes, and pressure changes, the flange connection often becomes loose, which not only affects the normal operation of the equipment or pipeline, but may also cause safety accidents. In order to solve this problem, a high-strength and anti-skid flange device is needed to enhance the stability and safety of the connection. Most of the anti-skid devices on the market are complex in design, inconvenient to install, and have poor anti-skid effect. Therefore, there is an urgent need for a simple, practical, and efficient high-strength anti-skid device for flanges to meet actual needs. Utility Model Content
[0003] 1. Technical issues to be solved
[0004] In view of some flange connection technologies existing in the prior art, due to the influence of factors such as vibration, temperature change, and pressure change, the flange connection often becomes loose, which not only affects the normal operation of the equipment or pipeline, but may also cause safety accidents. The purpose of the utility model is to provide a high-strength anti-skid device for the flange, which can achieve effective reinforcement of the flange connection through a simple combination of an installation nut, a nut limit plate and a limit device, which is convenient for installation and improves work efficiency. The design of the nut limit plate makes it difficult for the installed nut to slide when subjected to external force. At the same time, the limit device can tightly fix the nut limit plate through the structure of a spring and a block, thereby greatly enhancing the anti-skid performance. The whole is easy to maintain and replace. When replacement or repair is required, the limit device can be released with a simple operation, which is convenient and quick.
[0005] 2. Technical solution
[0006] To solve the above problems, the utility model adopts the following technical solutions.
[0007] A high-strength anti-skid device for a flange comprises a flange plate, the surface of the flange plate is provided with through holes at equal angles, the surface of the flange plate is provided with mounting nuts at the through holes, a nut limiting plate is sleeved on the outside of the mounting nut, and limiting devices are provided at equal angles on the surface of the flange plate, and the limiting device clamps the nut limiting plate.
[0008] Preferably, the number of the nut limiting plates is four.
[0009] Preferably, the nut limiting plate comprises a circular plate, a hexagonal groove is arranged in the middle of the circular plate, the hexagonal groove is sleeved with the mounting nut, and slots are arranged at equal angles on the outer wall of the circular plate, and the limiting device corresponds to the slots.
[0010] Preferably, the limiting device includes a fixed block, a spring, an extrusion block, a clamping block, a pull rod and a baffle. The fixed block is fixedly connected to the surface of the flange, the surface of the fixed block is fixedly connected to the spring, the fixed block is fixedly connected to the extrusion block through the spring, the surface of the extrusion block is fixedly connected to the clamping block, the clamping block corresponds to the clamping slot, the back of the extrusion block is fixedly connected to the pull rod, the pull rod is sleeved with the spring, the pull rod is slidably connected to the fixed block, and the end of the pull rod is fixedly connected to the baffle.
[0011] Preferably, the number of the pull rods is two.
[0012] Preferably, a pull ring is fixedly connected to the surface of the baffle.
[0013] 3. Beneficial effects
[0014] Compared with the prior art, the advantages of the present invention are:
[0015] By installing a simple combination of nuts, nut limit plates and limit devices, effective reinforcement of the flange connection is achieved, which facilitates installation and improves work efficiency.
[0016] The design of the nut limiting plate makes it difficult for the installation nut to slide when subjected to external force. At the same time, the limiting device can tightly fix the nut limiting plate through the structure of the spring and the block, thereby greatly enhancing the anti-slip performance.
[0017] The whole is easy to maintain and replace. When replacement or repair is needed, the limit device can be released with simple operation, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall external structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the nut limiting plate of the utility model;
[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure at A.
[0021] Description of the numbers in the figure:
[0022] 1. Flange; 2. Mounting nut; 3. Nut limiting plate; 31. Disc; 32. Hexagonal groove; 33. Slot; 4. Limiting device; 41. Fixing block; 42. Spring; 43. Extrusion block; 44. Block; 45. Pull rod; 46. Baffle; 47. Pull ring. DETAILED DESCRIPTION
[0023] 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 them. Based on the embodiments of 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.
[0024] Embodiment 1:
[0025] See also Figure 1-3 The utility model provides a technical solution: a high-strength anti-skid device for flanges, including a flange 1, a through hole is arranged at an equal angle on the surface of the flange 1, a mounting nut 2 is arranged on the surface of the through hole of the flange 1, a nut limiting plate 3 is sleeved on the outside of the mounting nut 2, and a limiting device 4 is arranged at an equal angle on the surface of the flange 1, and the limiting device 4 clamps the nut limiting plate 3. Through the simple combination of the mounting nut 2, the nut limiting plate 3 and the limiting device 4, the flange connection is effectively reinforced, which is convenient for installation and improves work efficiency. First, the mounting nut 2 is threadedly installed, and then the nut limiting plate 3 is sleeved with the mounting nut 2, and the nut limiting plate 3 is clamped by the limiting device 4 so that the mounting nut 2 is not easy to slide when subjected to external force. At the same time, the limiting device 4 can tightly fix the nut limiting plate 3 through the structure of the spring 42 and the clamping block 44, thereby greatly enhancing the anti-skid performance, and the overall maintenance and replacement are easy. When replacement or repair is required, the limiting device 4 can be released by simple operation, which is convenient and quick.
[0026] There are four nut limiting plates 3. Four nut limiting plates 3 are provided to improve the installation stability of the flange 1.
[0027] The nut limiting plate 3 includes a disc 31, a hexagonal groove 32 is provided in the middle of the disc 31, the hexagonal groove 32 is sleeved with the mounting nut 2, and the outer wall of the disc 31 is provided with a clamping groove 33 at equal angles, and the limiting device 4 corresponds to the clamping groove 33. The nut limiting plate 3 is provided, and the hexagonal groove 32 provided in the middle of the disc 31 is sleeved with the mounting nut 2, and the limiting device 4 can be used to clamp the clamping groove 33 of the outer wall of the disc 31, so as to fix the mounting nut 2.
[0028] The limiting device 4 includes a fixed block 41, a spring 42, an extrusion block 43, a clamping block 44, a pull rod 45 and a baffle 46. The fixed block 41 is fixedly connected to the surface of the flange 1. The surface of the fixed block 41 is fixedly connected with a spring 42. The fixed block 41 is fixedly connected to the extrusion block 43 through the spring 42. The surface of the extrusion block 43 is fixedly connected with a clamping block 44. The clamping block 44 corresponds to the clamping groove 33. The back of the extrusion block 43 is fixedly connected with a pull rod 45. The pull rod 45 is sleeved with the spring 42. The pull rod 45 is slidably connected to the fixed block 41. The end of the pull rod 45 is fixedly connected with a baffle 46. The limiting device 4 is provided. The fixed block 41 supports the extrusion block 43 through the spring 42, so that the clamping block 44 clamps the outer wall of the disc 31 and the clamping groove 33, thereby fixing the mounting nut 2, preventing the mounting nut 2 from loosening, and improving the overall installation stability.
[0029] There are two pull rods 45 to improve the clamping stability of the clamping block 44.
[0030] The surface of the baffle 46 is fixedly connected with a pull ring 47, which is convenient for the staff to pull out the limiting device 4, and the limiting device can be released with a simple operation, which is convenient and quick.
[0031] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to it. Any technician familiar with the technical field within the technical scope disclosed by the utility model and any equivalent replacement or change based on the technical solution and improved concept of the utility model shall be included in the protection scope of the utility model.
Claims
1. A high-strength anti-slip device for a flange, comprising a flange plate (1), characterized in that: The surface of the flange (1) is provided with through holes at equal angles, a mounting nut (2) is provided on the surface of the through hole of the flange (1), a nut limiting plate (3) is sleeved on the outside of the mounting nut (2), and a limiting device (4) is provided on the surface of the flange (1) at equal angles, and the limiting device (4) is clamped to the nut limiting plate (3).
2. A high-strength anti-slip device for flange according to claim 1, characterized in that: The number of the nut limiting plates (3) is four.
3. The high-strength anti-slip device for flange according to claim 1, characterized in that: The nut limiting disk (3) comprises a disk (31), a hexagonal groove (32) is provided in the middle of the disk (31), the hexagonal groove (32) is sleeved with the mounting nut (2), and the outer wall of the disk (31) is provided with slots (33) at equal angles, and the limiting device (4) corresponds to the slots (33).
4. The high-strength anti-slip device for flange according to claim 3, characterized in that: The limiting device (4) comprises a fixed block (41), a spring (42), an extrusion block (43), a clamping block (44), a pull rod (45) and a baffle (46); the fixed block (41) is fixedly connected to the surface of the flange (1); the surface of the fixed block (41) is fixedly connected to the spring (42); the fixed block (41) is fixedly connected to the extrusion block (43) via the spring (42); the surface of the extrusion block (43) is fixedly connected to the clamping block (44); the clamping block (44) corresponds to the clamping groove (33); the back of the extrusion block (43) is fixedly connected to the pull rod (45); the pull rod (45) is sleeved with the spring (42); the pull rod (45) is slidably connected to the fixed block (41); and the end of the pull rod (45) is fixedly connected to the baffle (46).
5. The high-strength anti-slip device for flange according to claim 4, characterized in that: The number of the pull rods (45) is two.
6. The high-strength anti-slip device for flange according to claim 4, characterized in that: A pull ring (47) is fixedly connected to the surface of the baffle (46).