Mechanical flange plate convenient to disassemble and assemble

By designing a mechanical flange that is easy to assemble and disassemble, and adopting a combination structure of bolt limit caps and movable connecting rods, the problems of leakage and inconvenience in assembling and disassembling the flange after connection are solved, achieving rapid assembly and disassembly and a highly stable connection.

CN223825816UActive Publication Date: 2026-01-23LINHAI SANJIANG ENG MASCH MFG CO LTD
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Patent Information

Application Number
CN202520272645.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2026-01-23
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Existing flanges are prone to leakage after connection and are inconvenient to disassemble and assemble, requiring the use of wrenches for tightening.

Method used

A mechanical flange that is easy to assemble and disassemble is designed. It adopts an upper flange body and a lower flange body. Through the combination structure of bolt limit cap, fastening bolt, movable connecting rod and limit notch, it uses the lever principle to achieve quick assembly and disassembly. The connection stability and sealing performance are improved by limit studs and fluororubber sealing rings.

Benefits of technology

It enables quick and effortless assembly and disassembly of flanges, improves connection stability and sealing, reduces the impact of vibration on bolts, and enhances installation accuracy and sealing effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223825816U_ABST
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Abstract

The mechanical flange plate convenient to disassemble and assemble comprises an upper flange plate body, a lower flange plate body, four bolt limiting caps and four fastening bolts, an upper flange neck part is arranged at a through hole of the upper flange plate body, a lower flange neck part is arranged at a through hole of the lower flange plate body, and the upper flange plate body and the lower flange plate body are connected in an assembling mode. A fixed connecting rod is arranged on the side portion of each bolt limiting cap, one end of each fixed connecting rod is provided with a telescopic cylinder, the other end of each fixed connecting rod is provided with a telescopic cylinder, and the telescopic cylinders are connected with the upper connecting holes and the lower connecting counter bores in an annular mode. And a movable connecting rod is mounted in the telescopic cylinder and connected with a limiting notch in the side wall of the neck of the upper flange, so that the stability and firmness of assembly of the upper flange plate body and the lower flange plate body are ensured, meanwhile, a good disassembly and assembly effect is achieved, rapid and labor-saving rotation is facilitated by utilizing the lever principle, and better assembly and disassembly are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to flange disc technical field relates to the mechanical flange disc convenient to dismount. BACKGROUND

[0002] Flange disc is called flange usually, it is used for connecting other things in the similar disc -shaped metal body's perimeter open several fixed -use hole. It is very widely used in machinery. The prior art such as patent application number CN202320286508.7 discloses a kind of flange disc, belongs to flange disc field, including: flange disc;Bolt hole, it is provided with multiple, multiple bolt holes are all set up in the top of flange disc;Sealing mechanism, it is located in the top of flange disc;And connecting pipe, it is set in the bottom of flange disc, sealing mechanism includes sealing component and slot component part, slot component part is set in the top of sealing component, in the scheme, the sealing property of flange connection can be improved by the setting of convex ring, prevent leakage after flange connection, by the setting of sealing ring, it is convenient to connect sealing ring, so that sealing ring can be sleeved on sealing ring, to improve the sealing property of flange connection, by the setting of first sealing groove and second sealing groove, it is convenient to connect sealing ring, can improve the stability of sealing ring, to improve sealing property, can solve the problem that flange disc in prior art is connected, because there is no sealing structure, so that flange disc is prone to leakage.

[0003] The above-mentioned flange disc solves the problem of sealing, but the installation of the flange disc needs to be fastened by multiple bolts, which needs to be disassembled with a wrench tool, which is inconvenient. Therefore, we design a mechanical flange convenient to dismount. SUMMARY

[0004] The utility model aims at providing mechanical flange disc convenient to dismount to solve the problem proposed in the above background technology.

[0005] The utility model discloses a mechanical flange plate convenient to disassemble and assemble, which comprises an upper flange body and a lower flange body, four bolt limiting caps and four fastening bolts, wherein the upper flange body is provided with an upper flange neck at a through hole thereof, the lower flange body is provided with a lower flange neck at a through hole thereof, and the upper flange body and the lower flange body are assembled and connected.

[0006] In the mechanical flange plate convenient to disassemble and assemble, four limiting notches are formed in the sidewall of the upper flange neck, each limiting notch is in transition fit with the end of each movable connecting rod, and each movable connecting rod is in magnetic attraction with each adsorbing magnet. In this way, each movable connecting rod can be connected to the upper flange neck, and the upper flange neck is used to form a resistance limiting, so that the four bolt limiting caps and the upper flange body are stably connected, and each movable connecting rod is limited, and the possibility of natural movement of each movable connecting rod is reduced.

[0007] In the mechanical flange plate convenient to disassemble and assemble, a limiting stud is arranged at the edge of each sink cover, a stud insertion hole is arranged in the interior of each lower connecting sink, and the limiting stud is inserted into the corresponding stud insertion hole. In this way, the limiting stud is inserted into the corresponding stud insertion hole, the firmness of the connection between the sink cover and the lower connecting sink is improved, the stability of the connection of each fastening bolt and the installation precision are ensured, and the influence of vibration on each fastening bolt is reduced.

[0008] In the mechanical flange plate convenient to disassemble and assemble, an oil injection channel is formed in the top of each fastening bolt, and a plugging gasket is arranged at the channel opening of the oil injection channel. In this way, the oil injection channel is used to store and inject lubricating oil, the lubricating effect of the fastening bolt is realized, the torque and friction between threads are reduced when the fastening bolt is opened, the fastening bolt can be quickly opened, and the rusting of threads can be reduced by supplementing lubricating oil.

[0009] In the mechanical flange convenient to disassemble, the front guide joint matched with the lower flange body is arranged at the middle of the bottom end of the upper flange body, and the fluorine rubber sealing ring connected with the upper flange body is arranged at the edge of the front guide joint. The upper flange body and the lower flange body are better assembled, the assembly precision is improved, and the sealing performance of the whole after assembly is improved.

[0010] Compared with the prior art, the mechanical flange convenient to disassemble has the advantages that the fixed connecting rod is arranged on the side of each bolt limiting cap, one end of the fixed connecting rod is provided with an expansion cylinder, the expansion cylinder is internally provided with a movable connecting rod connected with the limiting notches at the side wall of the upper flange neck, the stability and the firmness of the assembly of the upper flange body and the lower flange body are ensured, and the disassembly effect is good, the lever principle is utilized to facilitate quick and labor-saving rotation, and installation and disassembly are facilitated; the limiting column pegs are arranged at the edges of each counterbore cover, the column peg insertion holes are arranged in the interiors of each lower connecting counterbore, the limiting column pegs are inserted into the interiors of the corresponding column peg insertion holes, the firmness of the connection of the counterbore cover and the lower connecting counterbore is improved, the stability and the installation precision of each fastening bolt are ensured, and the influence of vibration on each fastening bolt is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic view of the mechanical flange convenient to disassemble.

[0012] Figure 2 It is a structural schematic view of the lower flange body of the mechanical flange convenient to disassemble.

[0013] Figure 3 It is a structural schematic view of the upper flange body of the mechanical flange convenient to disassemble Figure 1 .

[0014] Figure 4 It is a structural schematic view of the upper flange body of the mechanical flange convenient to disassemble Figure 2 .

[0015] Figure 5 It is a three-dimensional structural schematic view of the fastening bolt of the mechanical flange convenient to disassemble.

[0016] In the drawing, 1 is an upper flange body, 2 is a lower flange body, 3 is an upper flange neck, 4 is a bolt limiting cap, 5 is a hexagonal fastening nut, 6 is a fixed connecting rod, 7 is an expansion cylinder, 8 is a movable connecting rod, 9 is a lower flange neck, 10 is a lower connecting counterbore, 11 is a column peg insertion hole, 12 is a fastening bolt, 13 is a counterbore cover, 14 is a limiting column peg, 15 is a plugging gasket, 16 is a front guide joint, 17 is a fluorine rubber sealing ring, 18 is an oil injection channel, 19 is a limiting notch, 20 is a suction magnet, and 21 is an upper connecting hole. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, the utility model discloses a mechanical flange convenient to disassemble, and the mechanical flange body includes but is not limited to the following structure: upper flange body 1 and lower flange body 2, four bolt limiting caps 4 and four fastening bolts 12, the through hole of upper flange body 1 is provided with upper flange neck 3, the through hole of lower flange body 2 is provided with lower flange neck 9, upper flange body 1 and lower flange body 2 are assembled and connected, the middle part of the bottom end of upper flange body 1 is installed with the front guide joint 16 matched with lower flange body 2, the edge of front guide joint 16 is provided with fluorine rubber sealing ring 17 connected with upper flange body 1.

[0019] Embodiment one: the disc face of upper flange body 1 is provided with four annular distribution upper connecting holes 21, the surface of lower flange body 2 is provided with four annular distribution lower connecting counterbores 10, each lower connecting counterbores 10 corresponds to each upper connecting hole 21, and each fastening bolt 12 passes through the corresponding lower connecting counterbores 10 in turn to reach the upper connecting hole 21, each bolt limiting cap 4 is connected with the fastening bolt 12 protruding from the upper connecting hole 21, the top end of each bolt limiting cap 4 is provided with a hexagonal fastening nut 5, each hexagonal fastening nut 5 is threadedly fastened to the threaded portion of the fastening bolt 12, the side of each bolt limiting cap 4 is provided with a fixed connecting rod 6, one end of each of the four fixed connecting rods 6 is installed with a telescopic cylinder 7, the inside of each of the four telescopic cylinders 7 is installed with a movable connecting rod 8, and each of the four movable connecting rods 8 contacts the side wall of the upper flange neck 3.

[0020] Further: four limiting notches 19 are formed in the side wall of the upper flange neck 3, and each limiting notch 19 is transitionally matched with the end of each movable connecting rod 8; each limiting notch 19 is internally installed with a suction magnet 20, and each suction magnet 20 magnetically attracts each movable connecting rod 8.

[0021] The setting of the scheme: not only ensures the stability and firmness of the assembly of upper flange body 1 and lower flange body 2, but also has good disassembly effect, and the lever principle is utilized to facilitate quick and labor-saving rotation, convenient installation and disassembly. Meanwhile, in the assembly process, the movable connecting rod 8 contacts the side wall of the upper flange neck 3, forming a good compression effect, so that the bolt limiting cap 4 is subjected to radial pressure, and axial torque is generated due to threaded connection, which can greatly ensure stability and prevent loosening.

[0022] On the basis of embodiment one, in order to be able to store lubricating oil in the fastening bolt 12, at the same time, using the stored lubricating oil to realize the lubrication of the fastening bolt 12, reduce the rust and silk phenomenon of the fastening bolt 12, the top of the four fastening bolts 12 is provided with an oil injection channel 18, and the oil injection channel 18 is provided with a plugging washer 15 at the channel opening.

[0023] Embodiment two: the end of the four fastening bolts 12 is provided with a counterbore cover 13 connected with the lower connecting counterbore 10, the edge of each counterbore cover 13 is provided with a limiting peg 14, and the inside of each lower connecting counterbore 10 is provided with a peg insertion hole 11, and the limiting peg 14 is inserted into the inside of the corresponding peg insertion hole 11.

[0024] The scheme is used, the limiting peg 14 is inserted into the inside of the corresponding peg insertion hole 11, the counterbore cover 13 can be butt jointed with the lower connecting counterbore 10, the firmness of the counterbore cover 13 connecting the lower connecting counterbore 10 is increased, the stability and installation precision of each fastening bolt 12 are ensured, and the influence of vibration on each fastening bolt 12 is reduced.

[0025] In use: the upper flange body 1 is welded into the pipeline through the upper flange neck 3, and the lower flange body 2 is welded into the pipeline through the lower flange neck 9, the front lead connector 16 of the upper flange body 1 is connected to the lower flange body 2, the fluorine rubber sealing ring 17 arranged at the edge of the front lead connector 16 improves the sealing performance of the connection between the upper flange body 1 and the lower flange body 2, each fastening bolt 13 passes through the lower connecting counterbore 10 and the corresponding upper connecting hole 21, the hexagonal fastening nut 5 of each bolt limiting cap 4 is connected to the fastening bolt 12 protruding from the upper connecting hole 21, the movable connecting rod 8 is adjusted to make the movable connecting rod 8 transitionally fit the corresponding limiting notch 19, and is magnetically connected with the adsorbing magnet 20 located in the limiting notch 19, so as to ensure the stability and firmness of the assembly of the upper flange body 1 and the lower flange body 2, and has good disassembly effect.

[0026] When disassembling, the movable connecting rod 8 is separated from the side wall of the upper flange neck 3, and then the movable connecting rod 8 is rotated to loosen and fall off the hexagonal fastening nut 5 of each bolt limiting cap 4 from the fastening bolt 12.

[0027] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The specific embodiments described herein are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A mechanical flange plate convenient to disassemble, comprising an upper flange plate body (1) and a lower flange plate body (2), four bolt limiting caps (4) and four fastening bolts (12), the through hole of the upper flange plate body (1) is provided with an upper flange neck (3), the through hole of the lower flange plate body (2) is provided with a lower flange neck (9), and the upper flange plate body (1) and the lower flange plate body (2) are assembled and connected, characterized in that ; The disc surface of the upper flange body (1) is provided with four upper connecting holes (21) arranged in a ring shape, the surface of the lower flange body (2) is provided with four lower connecting counterbores (10) arranged in a ring shape, each lower connecting counterbores (10) corresponds to each upper connecting hole (21), and each fastening bolt (12) passes through the corresponding lower connecting counterbores (10) to reach the upper connecting hole (21) in sequence, each bolt limiting cap (4) is connected to the fastening bolt (12) protruding from the upper connecting hole (21), the top end of each bolt limiting cap (4) is provided with a hexagonal fastening nut (5), each hexagonal fastening nut (5) is threadedly fastened to the threaded portion of the fastening bolt (12), the side of each of the four bolt limiting caps (4) is provided with a fixed connecting rod (6), one end of each of the four fixed connecting rods (6) is provided with an extension cylinder (7), the inside of each of the four extension cylinders (7) is provided with a movable connecting rod (8), each of the four movable connecting rods (8) contacts the side wall of the upper flange neck (3), and the end of each of the four fastening bolts (12) is provided with a counterbore cover (13) connected to the lower connecting counterbores (10).

2. The mechanical flange plate of claim 1, wherein, The side wall of the upper flange neck (3) is provided with four limiting notches (19), each limiting notch (19) is transitionally connected to the end of each movable connecting rod (8).

3. The mechanical flange plate of claim 2, wherein, The inside of each of the four limiting notches (19) is provided with an adsorbing magnet (20), and each adsorbing magnet (20) magnetically attracts each movable connecting rod (8).

4. The mechanical flange of claim 1, wherein, The edge of each counterbore cover (13) is provided with a limiting stud (14), and the inside of each lower connecting counterbores (10) is provided with a stud insertion hole (11), and the limiting stud (14) is inserted into the inside of the corresponding stud insertion hole (11).

5. The mechanical flange of claim 1, wherein, The top of each of the four fastening bolts (12) is provided with an oil injection channel (18), and the channel opening of the oil injection channel (18) is provided with a plugging washer (15).

6. The mechanical flange of claim 1, wherein, The bottom end of the upper flange body (1) is provided with a front guide joint (16) matched with the lower flange body (2), and the edge of the front guide joint (16) is provided with a fluorine rubber sealing ring (17) connected to the upper flange body (1).

Citation Information

Patent Citations

  • Flange plate

    CN219198451U