Novel polytetrafluoroethylene grating plate structure

Abstract

The utility model relates to the technical field of polytetrafluoroethylene grating plates, and discloses a novel polytetrafluoroethylene grating plate structure which comprises a plurality of polytetrafluoroethylene pull rods distributed from left to right, the exteriors of the polytetrafluoroethylene pull rods are jointly provided with a grating plate assembly, and the exteriors of the front ends and the rear ends of the polytetrafluoroethylene pull rods are jointly and movably connected with limiting plates; two limiting pipes are symmetrically and rotatably connected to the interior of the limiting plate in a penetrating mode, welding rods are connected to the interiors of the limiting pipes in a threaded mode, ratchet wheels are fixedly connected to the sides, away from the grating plate assembly, of the exteriors of the limiting pipes, and an anti-loosening mechanism is arranged on the surface of the side, away from the grating plate assembly, of the limiting plate and located above the limiting pipes. By means of the threaded linkage design of the limiting plate, the limiting pipe and the welding rod, the function of rapid disassembly, assembly and maintenance is achieved on the premise that the welding rod is not damaged; during installation, the limiting pipe is rotated clockwise, and the limiting plate is pushed to press the fixing nuts at the two ends of the polytetrafluoroethylene pull rod, so that the grating plate assembly is stably fixed to the polytetrafluoroethylene batten and the sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to four fluorine grid plate technical field, concretely is a kind of novel four fluorine grid plate structure. BACKGROUND

[0002] Teflon is a kind of high-performance plastic material, has excellent corrosion resistance, high temperature resistance and non-adhesion, four fluorine filler indicates that teflon is used as filler or additive to improve the characteristics of material, four fluorine filler support grid plate is a kind of support grid plate with teflon filler, so it can combine the characteristics of teflon with the structure of grid plate, suitable for special environment or industrial application, requires that material has special performance;

[0003] Because teflon has excellent corrosion resistance and chemical resistance, four fluorine filler support grid plate can be used as the component of chemical equipment in chemical industry, such as pipeline support, container covering or chemical reactor internal component, etc., because the welding performance of teflon is relatively poor, it is difficult to make support grid plate by welding method of soluble plastic, at present, the four fluorine filler support plate assembled in the lined teflon tower or other internal corrosion prevention tower equipment is mainly made by drilling teflon die plate into perforated plate, but because the welding performance of teflon is poor, it is inconvenient to weld and install with teflon tower, leading to the inconvenience of support grid plate.

[0004] Chinese patent discloses a kind of four fluorine filler support grid plate (grant announcement number CN222624579U), the patent technology is by four fluorine pull rod cooperation four fluorine batten and forms support grid plate, positioning sleeve with support ring is set between four fluorine batten, the spacing of grid can be positioned by positioning sleeve, welding rod is set on the connecting plate between sliding ring by setting sliding ring on four fluorine pull rod, welding rod can make support grid plate convenient and teflon tower welding, so as to solve the problem that the welding performance of teflon is poor, it is inconvenient to weld and install with teflon tower, leading to the inconvenience of support grid plate.

[0005] However, it has certain disadvantages: when four fluorine pull rod and four fluorine batten need to be disassembled and maintained after long time use, four fluorine pull rod and four fluorine batten must be removed by cutting and damaging welding rod, leading to structure not recoverable, repeated installation needs to be re-welded, increase cost and construction complexity. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of novel four fluorine grid plate structure to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model provides a novel tetrafluoro grid plate structure, including a plurality of tetrafluoro pull rods from left to right distribution, the outside of a plurality of tetrafluoro pull rods is commonly provided with grid plate assembly, and the outside of the front and back two ends of a plurality of tetrafluoro pull rods is commonly movably connected with the limiting plate,

[0009] The inside of the limiting plate is symmetrically penetrated by two limiting pipes rotatably connected, the inside of the limiting pipe is threadedly connected with a welding rod, and the outside of the limiting pipe is fixedly connected with a ratchet wheel on the side away from the grid plate assembly, and the surface of the limiting plate on the side away from the grid plate assembly and above the limiting pipe is provided with an anti-loosening mechanism.

[0010] As a further scheme of the utility model, the grid plate assembly comprises a plurality of tetrafluoro slats distributed from front to back, a plurality of tetrafluoro sleeve pipes are movably attached from left to right between the adjacent two tetrafluoro slats, and a plurality of fixed nuts are movably attached from left to right on the front surface of the frontmost tetrafluoro slat and the rear surface of the rearmost tetrafluoro slat.

[0011] As a further scheme of the utility model, the anti-loosening mechanism comprises a spring, the upper end of the spring is fixedly connected with a connecting block, the lower end of the spring is fixedly connected with a pawl, and the inside of the end of the pawl away from the limiting pipe is rotatably connected with a connecting rod.

[0012] As a further scheme of the utility model, the tetrafluoro pull rod movably penetrates the tetrafluoro slat, and the tetrafluoro pull rod movably penetrates the tetrafluoro sleeve pipe, the fixed nut is threadedly connected to the outside of the end of the tetrafluoro pull rod, and the limiting plate is movably attached to the fixed nut.

[0013] As a further scheme of the utility model, the pawl is attached to the ratchet wheel, and the connecting block and the connecting rod are fixedly connected to the surface of the side of the limiting plate away from the grid plate assembly.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a threaded linkage design of limiting plate, limiting pipe and welding rod, combined with a ratchet wheel-pawl anti-loosening mechanism, to realize the function of quick disassembly and maintenance without damaging the welding rod; when installing, rotate the limiting pipe clockwise, push the limiting plate to compress the fixed nuts at the two ends of the tetrafluoro pull rod, so that the grid plate assembly is stably fixed with the tetrafluoro slat and the sleeve pipe, and the pawl locks the reverse retreat path; when disassembling, only need to lift the pawl and rotate the limiting pipe reversely, so that the clamping force of the limiting plate on the fixed nut is released, and the tetrafluoro pull rod and the slat can be directly disassembled for maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a novel tetrafluoro grid plate structure;

[0017] Figure 2 It is a partial schematic view of a novel tetrafluoro grid plate structure;

[0018] Figure 3 It is a new four fluorine grid plate structure in the structure diagram of anti-loose mechanism.

[0019] In the figure: 1, four fluorine pull rod; 2, grid plate assembly; 3, four fluorine strip; 4, four fluorine sleeve; 5, fixed nut; 6, limit plate; 7, limit tube; 8, welding rod; 9, ratchet; 10, anti-loose mechanism; 11, spring; 12, connecting block; 13, pawl; 14, connecting rod. DETAILED DESCRIPTION

[0020] Please refer to Figure 1 and Figure 2 , the utility model discloses a new four fluorine grid plate structure, including the distribution of multiple four fluorine pull rod 1 from left to right, the outside of multiple four fluorine pull rod 1 is commonly provided with grid plate assembly 2, and the grid plate assembly 2 includes the distribution of multiple four fluorine strip 3 from front to back, four fluorine pull rod 1 is active and penetrates four fluorine strip 3, and multiple four fluorine sleeve 4 are active and attached from left to right between the adjacent two four fluorine strip 3, four fluorine pull rod 1 is active and passes through four fluorine sleeve 4, and the front surface of the first four fluorine strip 3 and the rear surface of the last four fluorine strip 3 are active and attached from left to right with multiple fixed nuts 5, and the fixed nut 5 is screw connected to the end portion outside of four fluorine pull rod 1, and the front and rear ends of multiple four fluorine pull rod 1 are commonly active and connected with limit plate 6, and the limit plate 6 is active and attached to fixed nut 5, and the inside of limit plate 6 is symmetrically penetrated and is rotatably connected with two limit tubes 7, and the inside of limit tube 7 is screw connected with welding rod 8, and welding rod 8 can pass through limit plate 6;

[0021] Limit tube 7 and limit plate 6 can be rotatably connected through bearing, and the outer ring of bearing is fixed in limit plate 6, and limit tube 7 is fixed in the inner ring of bearing, so that the two are in a rotating state;

[0022] The material of welding rod 8 is preferably austenitic stainless steel (such as 316L), which is used for welding on the inner wall of four fluorine tower, so as to fix the whole four fluorine grid plate;

[0023] Clockwise rotation limit tube 7 can drive limit plate 6 to move towards the direction of grid plate assembly 2, for fixing grid plate assembly 2 between two limit plates 6, and counterclockwise rotation limit tube 7 can drive limit plate 6 to move away from the direction of grid plate assembly 2, facilitating the disassembly and maintenance of four fluorine pull rod 1 and grid plate assembly 2, without cutting the welded welding rod 8.

[0024] In Figure 1 and Figure 3The outer side of the limiting pipe 7 away from the grating plate assembly 2 is fixedly connected with a ratchet wheel 9, the surface of the limiting plate 6 away from the grating plate assembly 2 and above the limiting pipe 7 is provided with an anti-loosening mechanism 10, the anti-loosening mechanism 10 comprises a spring 11, the upper end of the spring 11 is fixedly connected with a connecting block 12, the lower end of the spring 11 is fixedly connected with a pawl 13, the pawl 13 is attached to the ratchet wheel 9, the inner end of the pawl 13 away from the limiting pipe 7 is rotatably connected with a connecting rod 14, and the connecting block 12 and the connecting rod 14 are both fixedly connected to the surface of the limiting plate 6 away from the grating plate assembly 2.

[0025] The pawl 13 is attached to the ratchet wheel 9, so that the ratchet wheel 9 can normally rotate clockwise and cannot rotate counterclockwise, avoiding that the limiting pipe 7 drives the limiting plate 6 to separate from the outer side of the PTFE pull rod 1 due to vibration and other factors, and affecting the fixing stability of the PTFE pull rod 1 and the grating plate assembly 2.

[0026] After the pawl 13 is pulled away from the ratchet wheel 9, the limiting pipe 7 can be rotated counterclockwise.

[0027] The working principle of the utility model is: during installation, the welding rod 8 is first threadedly connected with the limiting pipe 7 and welded on the inner wall of the PTFE tower, then the limiting plate 6 is pushed to move towards the grating plate assembly 2 by rotating the limiting pipe 7 clockwise, so that the limiting plate 6 presses the fixing nuts 5 at both ends of the PTFE pull rod 1, thereby fixing the PTFE pull rod 1 and the grating plate assembly 2 between the two limiting plates 6; at this time, the ratchet wheel 9 rotates with the limiting pipe 7, the pawl 13 is clamped into the tooth groove of the ratchet wheel 9 under the action of the spring 11, and counterclockwise loosening is prevented; during disassembly, the pawl 13 is pulled upwards to separate from the ratchet wheel 9, the limiting plate 6 is moved backwards by rotating the limiting pipe 7 counterclockwise, the pressure on the fixing nuts 5 is released, and the PTFE pull rod 1 and the grating plate assembly 2 outside the PTFE pull rod 1 can be disassembled, so that the fixing nuts 5, the PTFE slats 3 and the PTFE sleeve 4 can be conveniently disassembled and maintained, and the welding rod 8 does not need to be damaged throughout the process.

[0028] The above is only a preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0029] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A novel tetrafluoro grid plate structure, comprising a plurality of tetrafluoro pull rods (1) distributed from left to right, the outer portions of the plurality of tetrafluoro pull rods (1) are collectively provided with a grid plate assembly (2), and the outer portions of the front and rear ends of the plurality of tetrafluoro pull rods (1) are collectively movably connected with a limiting plate (6); characterized in that The inner portion of the limiting plate (6) is symmetrically penetrated and rotatably connected with two limiting tubes (7), the inner portion of the limiting tube (7) is threadedly connected with a welding rod (8), and the outer portion of the limiting tube (7) is fixedly connected with a ratchet wheel (9) on the side away from the grid plate assembly (2), and the surface of the limiting plate (6) away from the grid plate assembly (2) and located above the limiting tube (7) is provided with an anti-loose mechanism (10).

2. A novel tetrafluoro grid plate structure according to claim 1, characterized by, The grid plate assembly (2) comprises a plurality of tetrafluoro slats (3) distributed from front to back, a plurality of tetrafluoro sleeve pipes (4) are movably attached from left to right between adjacent two tetrafluoro slats (3), and a plurality of fixed nuts (5) are movably attached from left to right on the front surface of the frontmost tetrafluoro slat (3) and the rear surface of the rearmost tetrafluoro slat (3).

3. A novel tetrafluoro grid plate structure according to claim 1, characterized by, The anti-loose mechanism (10) comprises a spring (11), the upper end of the spring (11) is fixedly connected with a connecting block (12), and the lower end of the spring (11) is fixedly connected with a pawl (13), the inner portion of one end of the pawl (13) away from the limiting tube (7) is rotatably connected with a connecting rod (14).

4. A novel tetrafluoro grid plate structure according to claim 2, characterized by, The tetrafluoro pull rod (1) movably penetrates the tetrafluoro slat (3), and the tetrafluoro pull rod (1) movably penetrates the tetrafluoro sleeve pipe (4), the fixed nut (5) is threadedly connected to the outer portion of the end of the tetrafluoro pull rod (1), and the limiting plate (6) is movably attached to the fixed nut (5).

5. A novel tetrafluoro grid plate structure according to claim 3, characterized by, The pawl (13) is attached to the ratchet wheel (9), and the connecting block (12) and the connecting rod (14) are fixedly connected to the surface of the limiting plate (6) away from the grid plate assembly (2).

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