GMN pushing nut assembly suitable for gasification blind flange
By combining the limiting pin and threaded rod structure with the design of the elastic metal ring, the loosening and jacking accuracy problems of the vaporized blind flange assembly under vibration environment are solved, realizing safe and reliable blind flange installation and disassembly.
Patent Information
- Application Number
- CN202520644381.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-04-08
AI Technical Summary
The existing GMN push nut assembly of the vaporization blind flange is prone to loosening under vibration, and the push accuracy is insufficient and there is no buffering mechanism, which leads to safety hazards and equipment damage.
The structure employs a combination of a limiting pin and a limiting groove to restrict the relative rotation of the bolt and nut, and achieves precise pushing through the cooperation of a threaded rod and a threaded hole. Combined with an elastic metal ring to provide cushioning, it ensures the stability and accuracy of the pushing plate.
It effectively prevents nuts from loosening, improves operational safety and pushing accuracy, protects equipment from damage, and ensures efficient and safe installation and removal of blind flanges.
Smart Images
Figure CN223814244U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical equipment connection and maintenance technical field especially suitable for GMN push nut assembly of gasification blind plate flange. BACKGROUND
[0002] In the gasification process system, the blind plate flange plays a key role in isolating different areas, facilitating equipment maintenance and maintenance, and the GMN push nut assembly is an important auxiliary tool in the installation and disassembly process of the blind plate flange. Its function is to realize the rapid and stable installation and disassembly of the blind plate between the flanges through accurate pushing operation, to ensure the sealing effect and prevent gas leakage.
[0003] The existing GMN push nut assembly suitable for gasification blind plate flange has the following disadvantages:
[0004] Because the existing assembly lacks reliable anti-loosening structure, the connecting bolt and the nut are prone to relative rotation in a vibrating environment, causing the nut to loosen and increasing the safety hazard, which seriously threatens the safe operation of the equipment. At the same time, the existing device lacks a stable guide structure during the pushing operation due to unreasonable structure design, and the matching precision of the push rod and the nut is insufficient, making it difficult to accurately control the force during the pushing process and unable to ensure the precision of the blind plate installation. In addition, the existing push plate is mostly made of rigid material and lacks a buffering mechanism during the pushing process. Once the pushing force is too large, it is easy to cause damage to the blind plate and related equipment, affecting the service life and normal operation of the equipment. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of GMN push nut assembly suitable for gasification blind plate flange, when connecting bolt and specially-made nut are screwed, limit card column is embedded in limit slot, limit relative rotation of both, simultaneously by the up and down movement of threaded rod in threaded hole, drive push column to push elastic metal ring and push plate, push plate is slid in connecting sliding groove by the sliding of connecting sliding plate, realize accurate push to blind plate, to solve the problem proposed in the above background technology.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of GMN push nut assembly suitable for gasification blind plate flange, including connecting bolt, the outer surface top of the connecting bolt is threadedly connected with push nut assembly, the outer surface top of the connecting bolt is annularly arranged with four limit slots one, the push nut assembly includes specially-made nut, the inner surface of the specially-made nut is fixedly connected with the outer surface top of connecting bolt, the inner side top end of the specially-made nut is slidably inserted with limit component, the outer side bottom end of the specially-made nut is slidably inserted with push plate, the inside of the push plate is annularly threadedly connected with four up and down penetrating push screw rods.
[0007] Preferably, the special nut comprises an internally threaded sleeve column, the inner surface of the internally threaded sleeve column is threadedly connected with the top of the outer surface of the connecting bolt, the outer surface of the internally threaded sleeve column is fixedly connected with a hexagonal prism, and the inner surface of the internally threaded sleeve column is provided with four upper and lower penetrating limiting grooves in an annular array.
[0008] Preferably, the outer surface of the internally threaded sleeve column is provided with four connecting sliding grooves in an annular array at the bottom, the inner surface of the connecting sliding groove is provided with a limiting sliding groove, and the inner portion of the internally threaded sleeve column is provided with four upper and lower penetrating threaded holes in an annular array.
[0009] Preferably, the limiting assembly comprises a connecting ring, the connecting ring is arranged at the top of the special nut, the inner portion of the connecting ring is provided with four connecting through holes in an annular array, the inner surface of the connecting ring is fixedly connected with four limiting clamping columns in an annular array, and the outer surfaces of the limiting clamping columns are slidably connected with the inner surfaces of the limiting groove one and the limiting groove two, respectively.
[0010] Preferably, the push plate comprises an elastic metal ring, the elastic metal ring is arranged at the bottom end of the special nut, the top of the elastic metal ring is fixedly connected with four connecting sliding plates in an annular array, the outer surfaces of the connecting sliding plates are slidably connected with the inner surfaces of the connecting sliding grooves, the inner sides of the connecting sliding plates are fixedly connected with limiting sliding blocks, and the outer surfaces of the limiting sliding blocks are slidably connected with the inner surfaces of the limiting sliding grooves.
[0011] Preferably, the push screw comprises a threaded rod, the outer surface of the threaded rod is threadedly connected with the inner surface of the threaded hole, the top end of the threaded rod penetrates through the connecting through hole and is fixedly connected with a hexagonal head, the bottom end of the threaded rod is fixedly connected with a push column, and the push column is arranged at the top of the elastic metal ring.
[0012] Thanks to the above technical scheme, the present application has the following technical progress compared with the prior art:
[0013] 1、In the present application, the limiting clamping column of the limiting assembly, the limiting groove one on the connecting bolt and the limiting groove two in the special nut are matched with each other, when the connecting bolt and the special nut are screwed, the limiting clamping column is embedded in the limiting groove, and the relative rotation of the connecting bolt and the special nut is limited, so that the nut is prevented from loosening due to the relative rotation of the connecting bolt and the special nut in a vibrating environment, and the operation safety is greatly improved.
[0014] 2. The utility model discloses, through the thread rod of push screw and the thread cooperation of special nut inner thread hole, and the sliding fit of the connecting slide plate of push plate and the connecting slide groove of special nut outer surface, rotate push screw, and thread rod moves up and down in the thread hole, drives push column to push elastic metal ring and push plate, and push plate realizes the accurate push of blind plate through the sliding of connecting slide plate in connecting slide groove, and this kind of structure design makes the push operation more stable, accurate, ensures the precision of blind plate installation, and the buffer provided by elastic metal ring avoids the damage to equipment due to the excessive push strength, improves the stability and reliability of push operation. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic drawing of the GMN push nut assembly suitable for the gasification blind plate flange of the utility model,
[0016] Figure 2 It is a structure schematic drawing of the push nut assembly of the utility model,
[0017] Figure 3 It is a structure schematic drawing of the special nut of the utility model,
[0018] Figure 4 It is a structure schematic drawing of the limiting assembly of the utility model,
[0019] Figure 5 It is a structure schematic drawing of the push plate of the utility model,
[0020] Figure 6 It is a structure schematic drawing of the push screw of the utility model.
[0021] Legend: 1, connecting bolt;11, limit slot one;2, push nut assembly;21, special nut;211, inner thread sleeve column;212, hexagonal prism;213, limit slot two;214, connecting slide groove;215, limit slide groove;216, thread hole;22, limiting assembly;221, connecting ring;222, connecting through hole;223, limit clamping column;23, push plate;231, elastic metal ring;232, connecting slide plate;233, limit sliding block;24, push screw;241, thread rod;242, hexagonal head;243, push column. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above -mentioned purpose, feature and advantage of the utility model, the utility model is further explained below with the help of drawings and examples.It is to be explained that the embodiment of the application and the feature in the embodiment can be combined mutually in the case of not conflicting.
[0023] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other embodiments that can not be described in detail herein, and the present application is not limited to the specific embodiments described in the following description.
[0024] Embodiment 1: as Figure 1 , Figure 2 , Figure 3 and Figure 4 The present application provides a technical scheme: including connecting bolt 1, the outer surface top of connecting bolt 1 is threadedly connected with push nut assembly 2, the outer surface top of connecting bolt 1 is provided with four limit grooves one 11 in annular array, push nut assembly 2 includes special nut 21, the inner surface of special nut 21 is fixedly connected with the outer surface top of connecting bolt 1, the inner side top end of special nut 21 is slidably inserted with limit assembly 22, the outer side bottom end of special nut 21 is slidably inserted with push plate 23, the inside of push plate 23 is threadedly connected with four up-and-down penetrating push screws 24 in annular array, special nut 21 includes inner thread sleeve column 211, the inner surface of inner thread sleeve column 211 is threadedly connected with the outer surface top of connecting bolt 1, the outer surface of inner thread sleeve column 211 is fixedly connected with hexagonal prism 212, the inner surface of inner thread sleeve column 211 is provided with four up-and-down penetrating limit grooves two 213 in annular array, limit assembly 22 includes connecting ring 221, connecting ring 221 is arranged at the top of special nut 21, the inside of connecting ring 221 is provided with four connecting through holes 222 in annular array, the inner surface of connecting ring 221 is fixedly connected with four limit clamping columns 223 in annular array, the outer surface of limit clamping column 223 is slidably connected with the inner surface of limit groove one 11 and limit groove two 213 respectively;
[0025] The effect achieved by the whole embodiment 1 is: in the installation process, first, special nut 21 is screwed with connecting bolt 1 through inner thread sleeve column 211, six-prism 212 is used to facilitate wrench operation, so that the two are connected tightly, then connecting ring 221 of limit assembly 22 is placed on the top of special nut 21, at this time, limit clamping column 223 is aligned with limit groove one 11 and limit groove two 213 and embedded therein, this structure effectively limits the relative rotation between connecting bolt 1 and special nut 21, when the equipment runs and vibrates, the nut will not loosen due to vibration, greatly improving the safety and stability of the assembly in the use process, providing a reliable basis for subsequent push operation.
[0026] Embodiment 2: as Figure 3 , Figure 5 and Figure 6As shown, the utility model provides a technical scheme: the outer surface bottom annular array of internal thread sleeve column 211 is equipped with four connecting sliding groove 214, the inner surface of connecting sliding groove 214 is equipped with limiting sliding groove 215, the inside annular array of internal thread sleeve column 211 is equipped with four up and down through thread hole 216, push plate 23 includes elastic metal ring 231, elastic metal ring 231 sets up at the bottom end of special nut 21, the top annular array of elastic metal ring 231 is fixedly connected with four connecting sliding plate 232, the outer surface of connecting sliding plate 232 is connected with the inner surface of connecting sliding groove 214 slidingly, the inner side of connecting sliding plate 232 is fixedly connected with limiting sliding block 233, the outer surface of limiting sliding block 233 is connected with the inner surface of limiting sliding groove 215 slidingly, push screw 24 includes threaded rod 241, the outer surface of threaded rod 241 is connected with the inner surface of thread hole 216 threadedly, the top end of threaded rod 241 is connected with hexagonal head 242 and is fixedly connected with push column 243, and push column 243 is arranged at the top of elastic metal ring 231;
[0027] The effect achieved by the whole embodiment 2 is that when the push operation is needed, the hexagonal head 242 of the push screw 24 is rotated by the wrench, the threaded rod 241 moves up and down in the thread hole 216, drives the push column 243 to move up and down, the push column 243 pushes the elastic metal ring 231, the elastic metal ring 231 slides in the connecting sliding groove 214 through the connecting sliding plate 232, and the limiting sliding block 233 slides in the limiting sliding groove 215, so that the stability and accuracy of the movement of the push plate 23 are ensured, the elastic property of the elastic metal ring 231 plays a buffering role in the pushing process, damage to the blind plate and related equipment caused by excessive pushing force is avoided, the whole structure design makes the pushing operation more stable and accurate, the accuracy of the installation of the blind plate is ensured, and the stability and reliability of the pushing operation are improved.
[0028] The working principle of the whole device is that when the GMN push nut assembly is used, first, the connecting bolt 1 is screwed with the special nut 21 and is fixed through the limiting assembly 22, the stability and safety of the connection are ensured, then, the push screw 24 is rotated, the movement of the threaded rod 241 in the thread hole 216 is converted into the linear movement of the push column 243, the elastic metal ring 231 and the push plate 23 are pushed to push the blind plate, in the pushing process, the cooperation of the connecting sliding plate 232 and the connecting sliding groove 214 and the limiting sliding block 233 and the limiting sliding groove 215 ensures the stability and accuracy of the movement of the push plate 23, and the buffering effect of the elastic metal ring 231 protects the blind plate and the equipment, the whole working process is closely matched, effectively solves the problems of nut loosening, poor pushing accuracy and equipment damage existing in the existing assembly, and realizes the efficient and safe installation and disassembly of the gasification blind plate flange.
[0029] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.
Claims
1. A GMN push nut assembly suitable for use with a gasification blind flange, characterized by: The utility model provides a connecting bolt (1), the outer surface top of connecting bolt (1) is screwed with push nut assembly (2), the outer surface top of connecting bolt (1) is opened with four limit slot one (11) in annular array, push nut assembly (2) includes special nut (21), the inner surface of special nut (21) is fixedly connected with the outer surface top of connecting bolt (1), the inner side top end of special nut (21) is slidingly inserted with limit component (22), the outer side bottom end of special nut (21) is slidingly inserted with push plate (23), the inside annular array of push plate (23) is screwed with four push screw (24) that go through up and down, the utility model discloses a connecting bolt (1), the outer surface top of connecting bolt (1) is screwed with push nut assembly (2), the outer surface top of connecting bolt (1) is opened with four limit slot one (11) in annular array, push nut assembly (2) includes special nut (21), the inner surface of special nut (21) is fixedly connected with the outer surface top of connecting bolt (1), the inner side top end of special nut (21) is slidingly inserted with limit component (22), the outer side bottom end of special nut (21) is slidingly inserted with push plate (23), the inside annular array of push plate (23) is screwed with four push screw (24) that go through up and down.
2. A GMN push nut assembly suitable for use with a gasified blind flange according to claim 1, characterized in that: The special nut (21) includes an internally threaded sleeve column (211), the internally threaded sleeve column (211) is screwed to the outer surface top of the connecting bolt (1), the internally threaded sleeve column (211) is fixedly connected with a hexagonal prism (212) on the outer surface, and the internally threaded sleeve column (211) is annularly arrayed with four up-and-down-through limit slot two (213) on the inner surface.
3. A GMN push nut assembly suitable for use with a gasified blind flange according to claim 2, wherein: The outer surface bottom of the internally threaded sleeve column (211) is annularly arrayed with four connection sliding grooves (214), the inner surface of the connection sliding grooves (214) is provided with a limit sliding groove (215), and the inside of the internally threaded sleeve column (211) is annularly arrayed with four up-and-down-through threaded holes (216).
4. A GMN push nut assembly suitable for use with a gasified blind flange according to claim 3, wherein: The limit component (22) includes a connecting ring (221), the connecting ring (221) is arranged on the top of the special nut (21), the inside of the connecting ring (221) is annularly arrayed with four connection through holes (222), the inner surface of the connecting ring (221) is annularly arrayed and fixedly connected with four limit clamping columns (223), and the outer surfaces of the limit clamping columns (223) are slidably connected with the inner surfaces of the limit slot one (11) and the limit slot two (213) respectively.
5. A GMN push nut assembly suitable for use with a gasified blind flange according to claim 4, wherein: The push plate (23) includes an elastic metal ring (231), the elastic metal ring (231) is arranged at the bottom end of the special nut (21), the top of the elastic metal ring (231) is annularly arrayed and fixedly connected with four connection sliding plates (232), the outer surfaces of the connection sliding plates (232) are slidably connected with the inner surfaces of the connection sliding grooves (214), the inner sides of the connection sliding plates (232) are fixedly connected with limit sliding blocks (233), and the outer surfaces of the limit sliding blocks (233) are slidably connected with the inner surfaces of the limit sliding grooves (215).
6. A GMN push nut assembly suitable for use with a gasified blind flange according to claim 5, wherein: The push screw (24) includes a threaded rod (241), the outer surface of the threaded rod (241) is screwed with the inner surface of the threaded hole (216), the top end of the threaded rod (241) penetrates through the connection through hole (222) and is fixedly connected with a hexagonal head (242), the bottom end of the threaded rod (241) is fixedly connected with a push column (243), and the push column (243) is arranged on the top of the elastic metal ring (231).