Flange assembly

By setting alignment grooves on the flange surface and installing alignment blocks on the fluororubber strip, the problems of inconvenient installation and detachment of the fluororubber strip are solved, achieving rapid alignment and enhanced sealing effect.

CN223868532UActive Publication Date: 2026-02-03ANHUI CHIJIAN NEW MATERIAL TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520507144.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-03
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing fluororubber strips require multiple calibrations during flange installation and are prone to detachment. Insufficient friction leads to damage and deformation, affecting the sealing effect.

Method used

Alignment grooves are symmetrically distributed on the flange surface, and alignment blocks are installed on the fluororubber strip surface. The alignment blocks and alignment grooves work together to achieve rapid alignment and sealing.

Benefits of technology

It enables quick alignment and installation of the fluororubber strip and flange, enhances the sealing effect, prevents detachment and deformation, and improves sealing performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223868532U_ABST
    Figure CN223868532U_ABST
Patent Text Reader

Abstract

The utility model is suitable for the technical field of fluorine rubber strips, and particularly relates to a flange assembly. The flange assembly comprises a flange plate body and a fluorine rubber strip body, and the fluorine rubber strip body is installed on the side face of the flange plate body in a sleeving and attaching mode. Alignment grooves are symmetrically distributed in the surface of the flange plate body, and alignment blocks are symmetrically distributed on the surface of the fluorine rubber strip body. According to the fluorine rubber strip for the flange, the alignment blocks symmetrically distributed and installed on the surface of the fluorine rubber strip body are inserted into the alignment grooves symmetrically distributed and formed in the surface of the flange plate body in an alignment mode, and sealing and attaching installation of the fluorine rubber strip body and the surface of the flange plate body is achieved; the fluorine rubber strip body installed on the surface of the flange plate body is not prone to disengagement, and meanwhile rapid alignment installation between the fluorine rubber strip body and the flange plate body can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fluorine rubber strip technical field, specifically a flange assembly. BACKGROUND

[0002] Fluorine rubber strip is a kind of fluorine rubber (FKM) product commonly used for flange sealing, with excellent high-temperature resistance, corrosion resistance, oil resistance and chemical medium resistance, widely used in high-demand sealing scenarios in chemical, petroleum, pharmaceutical and other industrial fields;

[0003] The fluorine rubber strip provided in the related technology is mostly disc-like substance with the same size and shape as the flange plate, and when high-demand sealing operation is performed on the installed flange by the fluorine rubber strip, the fluorine rubber strip is generally installed by being compacted and attached to one side of the flange side surface;

[0004] The fluorine rubber strip with this structure is simple in design, but has obvious problems and defects, that is, since the fluorine rubber strip is directly attached to one side of the flange plate, the installation surface position of the fluorine rubber strip and the flange plate needs to be calibrated multiple times during installation, and the attachment alignment installation is relatively troublesome; in addition, the surface of the flange plate is smooth, and the friction coefficient is small, so the position of the fluorine rubber strip installed on the flange plate side surface is easily changed; if the installation position of the fluorine rubber strip is to be maintained, the friction force between the fluorine rubber strip and the flange plate needs to be increased, and to increase the friction force between the fluorine rubber strip and the flange plate, the pressure on the fluorine rubber strip needs to be increased, which is easy to cause damage and deformation of the fluorine rubber strip.

[0005] In view of the problems in the above background technology, the utility model aims to provide a flange assembly. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a flange assembly to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A flange assembly, the flange assembly comprises:

[0009] A flange plate body and a fluorine rubber strip body, the fluorine rubber strip body is installed by being attached to the side surface of the flange plate body; a positioning groove is symmetrically distributed on the surface of the flange plate body, and a positioning block is symmetrically installed on the surface of the fluorine rubber strip body.

[0010] As a further scheme of the utility model: the included angle formed by the lower end of the positioning block and the horizontal plane is an acute angle of 50°, and the included angle formed by the two sides of the inner wall of the positioning groove is 140°; at the same time, an arc corner is formed at the upper end position of the positioning block.

[0011] As a further scheme of the utility model: the flange plate body surface forms a welt, and the alignment grooves are symmetrically arranged on the welt surface.

[0012] As a further scheme of the utility model: the welt surface is provided with a protrusion, and a hole is formed in the protrusion; a protruding hole is formed at the axial position of the fluorine rubber strip body, and the diameter of the protruding hole is matched with the diameter of the protrusion.

[0013] As a further scheme of the utility model: the flange plate body surface is symmetrically provided with mounting holes.

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

[0015] Compared with the fluorine rubber strip, the flange assembly has the following advantages:

[0016] The flange plate body surface is symmetrically provided with alignment grooves, and the fluorine rubber strip body surface is symmetrically provided with alignment blocks;

[0017] When the fluorine rubber strip body is installed on the flange plate body side, the alignment blocks symmetrically arranged on the fluorine rubber strip body surface can be inserted into the alignment grooves symmetrically arranged on the flange plate body surface, so that the fluorine rubber strip body and the flange plate body surface are sealingly installed, the fluorine rubber strip body installed on the flange plate body surface is not easy to separate, and the fluorine rubber strip body and the flange plate body can be quickly aligned and installed. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model.

[0019] Figure 1 It is a structure schematic view of a flange assembly of the embodiments of the utility model.

[0020] Figure 2 It is an exploded schematic view of a flange assembly of the embodiments of the utility model.

[0021] Figure 3 It is an installation schematic view of an alignment block and an alignment groove of a flange assembly of the embodiments of the utility model.

[0022] In the drawing: 1-flange plate body, 2-mounting hole, 3-welt, 4-fluorine rubber strip body, 5-protrusion, 6-hole, 7-alignment groove, 8-alignment block, 9-protruding hole. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0024] Embodiment

[0025] Please refer to Figure 1 , Figure 2 and Figure 3 The flange assembly provided in the utility model embodiment comprises:

[0026] The flange plate body 1 and the fluororubber strip body 4 are installed in a sleeving and adhering mode on the side surface of the flange plate body 1, and the fluororubber strip body 4 is arranged for sealing and insulating the assembled flange plate body 1; the alignment grooves 7 are symmetrically arranged on the surface of the flange plate body 1, and the alignment blocks 8 are symmetrically arranged on the surface of the fluororubber strip body 4; when the fluororubber strip body 4 is installed in a sleeving and adhering mode on the side surface of the flange plate body 1, the alignment blocks 8 symmetrically arranged on the surface of the fluororubber strip body 4 can be inserted into the alignment grooves 7 symmetrically arranged on the surface of the flange plate body 1, so that the fluororubber strip body 4 is installed in a sealing and adhering mode on the surface of the flange plate body 1, which can prevent the fluororubber strip body 4 installed on the surface of the flange plate body 1 from being separated, and can also enable the fluororubber strip body 4 to better seal and insulate the surface of the flange plate body 1, thereby improving the dustproof and anti-seepage effect of the fluororubber strip body 4 on the surface of the flange plate body 1;

[0027] The included angle between the lower end of the alignment block 8 and the horizontal plane is an acute angle of 50°, and the included angle between the two sides of the inner wall of the alignment groove 7 is 140°; meanwhile, the upper end of the alignment block 8 is formed in an arc-shaped corner; after the fluororubber strip body 4 is inserted into the alignment groove 7 on the surface of the flange plate body 1 through the alignment block 8, the lower end of the alignment block 8 is in a sealing and adhering mode with the inner wall of the alignment groove 7, so that the alignment block 8 can better seal and adhere to the inside of the alignment groove 7; meanwhile, the arc-shaped corner formed at the upper end of the alignment block 8 can press and compress the part of the alignment block 8 protruding outside the alignment groove 7, form a horizontal pressing surface, and further improve the sealing effect of the alignment block 8 on the alignment groove 7;

[0028] Please refer to Figure 1 and Figure 2 In one embodiment of the utility model, the surface of the flange plate body 1 is formed with a hem 3, and the alignment grooves 7 are symmetrically arranged on the surface of the hem 3; meanwhile, the size of the hem 3 formed on the surface of the flange plate body 1 is adapted to the size of the fluororubber strip body 4;

[0029] When the fluororubber strip body 4 is installed to seal and bond the surface of the flange body 1, the alignment blocks 8 distributed on the surface of the fluororubber strip body 4 are aligned and inserted into the alignment grooves 7 symmetrically distributed on the surface of the edge 3, so as to achieve the bonding and installation between the fluororubber strip body 4 and the edge 3, thereby achieving side sealing, seepage prevention and dust prevention for the entire flange body 1.

[0030] Specifically, a protrusion 5 is installed on the surface of the edge 3, and a central hole 6 is formed inside the protrusion 5; a convex hole 9 is formed at the axial position of the fluororubber strip body 4, and the diameter of the convex hole 9 is adapted to the diameter of the protrusion 5.

[0031] When the fluororubber strip body 4 is attached to the surface of the edge 3, the protrusion 9 formed at the axial position of the fluororubber strip body 4 is aligned and fitted on the outside of the protrusion 5. Then, the alignment block 8 installed on the surface of the fluororubber strip body 4 is aligned and inserted into the alignment groove 7 distributed on the surface of the edge 3 to achieve a sealed and attached installation between the fluororubber strip body 4 and the edge 3.

[0032] Please see Figure 1 In one embodiment of this utility model, mounting holes 2 are symmetrically distributed on the surface of the flange body 1. Bolts can be passed through the mounting holes 2 to fix the entire flange body 1.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flange assembly, characterized in that... include: The flange body (1) and the fluororubber strip body (4) are fitted together and installed on the side of the flange body (1); alignment grooves (7) are symmetrically distributed on the surface of the flange body (1), and alignment blocks (8) are symmetrically distributed on the surface of the fluororubber strip body (4).

2. The flange assembly according to claim 1, characterized in that: The angle formed between the lower end of the alignment block (8) and the horizontal plane is an acute angle of 50°, while the angle formed by the symmetrical distribution on both sides of the inner wall of the alignment groove (7) is 140°; at the same time, an arc-shaped corner is formed at the upper end of the alignment block (8).

3. The flange assembly according to claim 1, characterized in that: The flange body (1) has a lining (3) formed on its surface, and alignment grooves (7) are symmetrically distributed on the lining (3) surface; at the same time, the size of the lining (3) formed on the flange body (1) is adapted to the size of the fluororubber strip body (4).

4. The flange assembly according to claim 3, characterized in that: The edge (3) is fitted with a protrusion (5), and a central hole (6) is formed inside the protrusion (5); a convex hole (9) is formed at the axial position of the fluororubber strip body (4), and the diameter of the convex hole (9) is matched with the diameter of the protrusion (5).

5. The flange assembly according to claim 1, characterized in that: The flange body (1) has mounting holes (2) symmetrically distributed on its surface.