Clamping type metal flange

Abstract

The utility model relates to the technical field of metal flange plates, in particular to a clamping type metal flange which comprises a flange plate and a cup joint mechanism, the cup joint mechanism comprises a cup joint pipe, an anti-corrosion cylinder, a wear-resisting cylinder, a cup joint head, an abutting assembly and a limiting assembly, and the anti-corrosion cylinder and the wear-resisting cylinder are arranged on the premise that normal corrosion resistance and wear resistance of the cup joint pipe are not affected. The flange plate is limited through the inserting rod and the limiting ring in the limiting assembly, so that the flange plate can freely slide and steer on the peripheral side of the sleeving pipe, the mounting flexibility of the flange plate is improved, the design structure is simple, production is convenient, and the problems that the position of the flange is inconvenient to adjust, the clamping and pressing mode is limited in the using process, and the use cost is low are solved. And the flange is inconvenient to place.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal flange disc technical field especially relates to a clamping type metal flange. BACKGROUND

[0002] In pipeline engineering, flange is mainly used for the connection of pipeline, at the end of the two pipelines needing to be connected by flange disc, each is installed with a flange disc, the existing clamping type flange has poor corrosion resistance, when the clamping type flange is used for a long time, corrosion damage is easy to appear, causes pipeline leakage, and it is inconvenient for people to use.

[0003] In the prior art, a stainless steel clamping type flange is provided in patent (CN209725531U), which comprises a sleeve pipe, a high-strength layer is arranged on the surface of the sleeve pipe, a corrosion-resistant layer is arranged on the side of the high-strength layer away from the sleeve pipe, a waterproof layer is arranged on the side of the corrosion-resistant layer away from the high-strength layer, the high-strength layer comprises a metal base layer, a cast iron layer is arranged on the side of the metal base layer away from the high-strength layer, and a steel layer is arranged on the side of the cast iron layer away from the metal base layer. The utility model has the advantages of good corrosion resistance, solves the problem of poor corrosion resistance of the existing clamping type flange, and does not cause corrosion damage and pipeline leakage when the clamping type flange is used for a long time, which is convenient for people to use.

[0004] However, in the above-mentioned prior art, the position of the flange is not convenient to adjust, and the clamping method is limited during use, which is not convenient for placing the flange. SUMMARY

[0005] The utility model discloses a clamping type metal flange, which solves the problem of inconvenient adjustment of the position of the flange in the prior art, and the clamping method is limited during use, which is not convenient for placing the flange.

[0006] To achieve the above-mentioned purpose, the utility model provides a clamping type metal flange, which comprises a flange disc and a sleeve mechanism, the sleeve mechanism comprises a sleeve pipe, a corrosion-resistant cylinder, a wear-resistant cylinder, a sleeve joint, a supporting assembly and a limiting assembly, the limiting assembly and the supporting assembly are fixedly connected with the sleeve pipe and located at the lower end of the sleeve pipe, the sleeve joint is fixedly connected with the sleeve pipe and located at the upper end of the sleeve pipe, the wear-resistant cylinder is fixedly connected with the corrosion-resistant cylinder and located at the inner wall of the corrosion-resistant cylinder, the corrosion-resistant cylinder is fixedly connected with the sleeve pipe and located at the inner wall of the sleeve pipe, and the sleeve pipe is slidingly connected with the flange disc and located at the inner side of the flange disc.

[0007] The sleeve joint comprises a sleeve main body and a sealing ring, the sealing ring is fixedly connected with the sleeve main body and located at the inner side of the sleeve main body, and the sleeve main body is fixedly connected with the sleeve pipe and located at the upper end of the sleeve pipe.

[0008] The supporting assembly comprises a bottom ring and a plurality of supporting rings, each of the supporting rings is fixedly connected with the bottom ring and is located below the bottom ring, and the bottom ring is fixedly connected with the sleeve pipe and is located at the lower end of the sleeve pipe.

[0009] The limiting assembly comprises a limiting ring and a plurality of inserting rods, the lower end of each of the inserting rods is fixedly connected with the limiting ring and is located above the limiting ring, and the upper end of each of the inserting rods is fixedly connected with the sleeve pipe and is located at the lower end of the sleeve pipe.

[0010] The flange plate comprises a disc body and a plurality of hole sleeves, each of the hole sleeves is fixedly connected with the disc body and is located at the inner side of the disc body, and the disc body is slidingly connected with the sleeve pipe and is located at the circumferential side of the sleeve pipe.

[0011] The anti-corrosion cylinder and the wear-resistant cylinder are arranged without affecting the normal anti-corrosion and wear resistance of the sleeve pipe, the inserting rods in the limiting assembly and the limiting ring play a limiting role on the flange plate, the flange plate can freely slide and turn on the circumferential side of the sleeve pipe, the installation flexibility of the flange plate is improved, the design is simple in structure and convenient for production, and the problems of inconvenient adjustment of the position of the flange and limited clamping and pressing modes in the use process are solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0013] Figure 1 is a whole structure schematic view of the clamping type metal flange.

[0014] Figure 2 is a front view of the clamping type metal flange.

[0015] Figure 3 is a B-B line sectional view of the clamping type metal flange. Figure 2 of the clamping type metal flange.

[0016] Figure 4 is a B-B line sectional view of the clamping type metal flange. Figure 3 of the clamping type metal flange.

[0017] 101-flange, 102-sleeving mechanism, 103-sleeving pipe, 104-corrosion-proof cylinder, 105-wear-resistant cylinder, 106-sleeving head, 107-pressing assembly, 108-limiting assembly, 109-sleeving body, 110-sealing ring, 111-bottom ring, 112-pressing ring, 113-limiting ring, 114-inserting rod, 115-disc body, 116-hole sleeve. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below, examples of which are shown in the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] Please refer to Figures 1-4 , wherein Figure 1 is a structure diagram of the whole of the clamping type metal flange of the present application, Figure 2 is a front view of the clamping type metal flange of the present application, Figure 3 is a sectional view of the clamping type metal flange of the present application along line A-A, Figure 2 is a sectional view of the clamping type metal flange of the present application along line B-B, Figure 4 is an enlarged view of the local structure at B of the clamping type metal flange of the present application. Figure 3

[0020] The present application provides a clamping type metal flange, comprising a flange 101 and a sleeving mechanism 102, the sleeving mechanism 102 comprising a sleeving pipe 103, a corrosion-proof cylinder 104, a wear-resistant cylinder 105, a sleeving head 106, a pressing assembly 107 and a limiting assembly 108, the sleeving head 106 comprising a sleeving body 109 and a sealing ring 110, the pressing assembly 107 comprising a bottom ring 111 and a plurality of pressing rings 112, the limiting assembly 108 comprising a limiting ring 113 and a plurality of inserting rods 114, the flange 101 comprising a disc body 115 and a plurality of hole sleeves 116.

[0021] ​For this specific embodiment, the limiting assembly 108 and the abutting assembly 107 are fixedly connected with the sleeve pipe 103, the sleeve joint 106 is fixedly connected with the sleeve pipe 103, the wear-resistant cylinder 105 is fixedly connected with the corrosion-resistant cylinder 104, the corrosion-resistant cylinder 104 is fixedly connected with the sleeve pipe 103, the sleeve pipe 103 is slidingly connected with the flange plate 101, the sealing ring 110 is fixedly connected with the sleeve body 109, the sleeve body 109 is fixedly connected with the sleeve pipe 103, each of the abutting rings 112 is fixedly connected with the bottom ring 111, the bottom ring 111 is fixedly connected with the sleeve pipe 103, the lower end of each of the plug-in rods 114 is fixedly connected with the limiting ring 113, the upper end of each of the plug-in rods 114 is fixedly connected with the sleeve pipe 103, each of the hole sleeves 116 is fixedly connected with the disc body 115, the disc body 115 is slidingly connected with the sleeve pipe 103, the corrosion-resistant cylinder 104 and the wear-resistant cylinder 105 are arranged without affecting the normal corrosion resistance and wear resistance of the sleeve pipe 103, the plug-in rods 114 and the limiting ring 113 in the limiting assembly 108 play a limiting role on the flange plate 101, the flange plate 101 can freely slide and turn on the side of the sleeve pipe 103, and the installation flexibility of the flange plate 101 is improved, the design is simple in structure and convenient for production, and the problems of inconvenient adjustment of the flange position, limited clamping mode in the use process and inconvenient placement of the flange are solved.

[0022] Among them, the limiting assembly 108 and the abutting assembly 107 are located at the lower end of the sleeve pipe 103, the sleeve joint 106 is located at the upper end of the sleeve pipe 103, the wear-resistant cylinder 105 is located on the inner wall of the corrosion-resistant cylinder 104, the corrosion-resistant cylinder 104 is located on the inner wall of the sleeve pipe 103, the sleeve pipe 103 is located on the inner side of the flange plate 101, the corrosion-resistant cylinder 104 and the wear-resistant cylinder 105 are fixed by welding, and the inner wall of the corrosion-resistant cylinder 104 is also coated with a waterproof layer, the material of the wear-resistant cylinder 105 is the same as that of the disc body 115 and the sleeve pipe 103, and is a common metal flange material in the market, so that the flange structure is convenient for production.

[0023] Secondly, the sealing ring 110 is located on the inside of the sleeve body 109, the sleeve body 109 is located on the upper end of the sleeve pipe 103, each of the abutting rings 112 is located below the bottom ring 111, the bottom ring 111 is located on the lower end of the sleeve pipe 103, the inside of the wear-resistant cylinder 105 is further provided with a plurality of reinforcing wire rods, which is used to further strengthen the structural strength of the wear-resistant cylinder 105, cooperates with the corrosion-resistant cylinder 104 to be arranged on the inner wall of the sleeve pipe 103, avoids the corrosion damage, causes the pipeline leakage, and is inconvenient for people to use. The arrangement of a plurality of abutting rings 112 facilitates the cooperation of the bottom ring 111 to relieve the abutting pressure of the lower end of the sleeve pipe 103, the sealing ring 110 is stable on the inside of the sleeve body 109, and the inner wall of the sealing ring 110 is on the same vertical line with the inner wall of the sleeve pipe 103, which can ensure that after the external pipeline, the inside of the sealing ring 110 does not affect the normal communication of the pipeline, and can also play a sealing role after the pipeline connection.

[0024] Meanwhile, the lower end of each of the plug-in rods 114 is located above the limiting ring 113, the upper end of each of the plug-in rods 114 is located on the lower end of the sleeve pipe 103, each of the hole sleeves 116 is located on the inside of the disc body 115, the disc body 115 is located on the circumferential side of the sleeve pipe 103, and a plurality of plug-in rods 114 are commonly plugged into the lower end of the sleeve pipe 103, so as to fix the limiting ring 113 on the lower end of the sleeve pipe 103, thereby limiting the movement of the disc body 115. The disc body 115 can slide and rotate around the sleeve pipe 103, but cannot be separated from the sleeve pipe 103. The limiting ring 113 and the sleeve body 109 arranged at the lower end both limit the movement of the disc body 115, so as to avoid the disc body 115 from being separated from the circumferential side of the sleeve pipe 103.

[0025] In the embodiment, the corrosion-proof cylinder 104 and the wear-resistant cylinder 105 are fixed by welding, and the inner wall of the corrosion-proof cylinder 104 is coated with a waterproof layer. The material of the wear-resistant cylinder 105 is the same as that of the disc body 115 and the sleeve pipe 103, which is a common metal flange material in the market. Therefore, the flange structure is convenient to produce. The inner side of the wear-resistant cylinder 105 is further provided with a plurality of reinforcing lead screws, which further strengthen the structural strength of the wear-resistant cylinder 105. The wear-resistant cylinder 105 is arranged on the inner wall of the sleeve pipe 103 together with the corrosion-proof cylinder 104, so as to avoid corrosion damage and pipeline leakage, which is inconvenient for people to use. The arrangement of a plurality of the abutting rings 112 facilitates the abutting pressure relief of the lower end of the sleeve pipe 103 together with the bottom ring 111. The sealing ring 110 is stably arranged on the inner side of the sleeve main body 109, and the inner side wall of the sealing ring 110 is on the same vertical line with the inner side wall of the sleeve pipe 103, so as to ensure that after the external pipeline is connected, the inner side of the sealing ring 110 will not affect the normal communication of the pipeline, and the sealing ring 110 can also play a sealing role after the pipeline is connected. A plurality of the plug-in rods 114 are jointly plugged into the lower end of the sleeve pipe 103, and the limiting ring 113 is fixed at the lower end of the sleeve pipe 103, thereby limiting the movement of the disc body 115. The disc body 115 can slide and rotate around the sleeve pipe 103, but cannot be separated from the sleeve pipe 103. The limiting ring 113 arranged at the lower end and the sleeve main body 109 both limit the movement of the disc body 115, so as to avoid the disc body 115 from being separated from the side of the sleeve pipe 103.

[0026] The above disclosure is only one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A clamping type metal flange, comprising a flange plate, characterized in that, It also includes a sleeve joint mechanism, the sleeve joint mechanism includes a sleeve joint pipe, a corrosion prevention cylinder, a wear-resistant cylinder, a sleeve joint head, a bearing assembly and a limiting assembly, the limiting assembly and the bearing assembly are fixedly connected with the sleeve joint pipe and located at the lower end of the sleeve joint pipe, the sleeve joint head is fixedly connected with the sleeve joint pipe and located at the upper end of the sleeve joint pipe, the wear-resistant cylinder is fixedly connected with the corrosion prevention cylinder and located on the inner wall of the corrosion prevention cylinder, the corrosion prevention cylinder is fixedly connected with the sleeve joint pipe and located on the inner wall of the sleeve joint pipe, and the sleeve joint pipe is slidingly connected with the flange plate and located on the inner side of the flange plate.

2. The clamping type metal flange of claim 1, characterized in that, The sleeve joint head includes a sleeve joint body and a sealing ring, the sealing ring is fixedly connected with the sleeve joint body and located on the inner side of the sleeve joint body, and the sleeve joint body is fixedly connected with the sleeve joint pipe and located at the upper end of the sleeve joint pipe.

3. The clamping type metal flange of claim 2, characterized in that, The bearing assembly includes a bottom ring and a plurality of bearing rings, each bearing ring is fixedly connected with the bottom ring and located below the bottom ring, and the bottom ring is fixedly connected with the sleeve joint pipe and located at the lower end of the sleeve joint pipe.

4. The clamping type metal flange of claim 3, characterized in that, The limiting assembly includes a limiting ring and a plurality of plug-in rods, the lower end of each plug-in rod is fixedly connected with the limiting ring and located above the limiting ring, and the upper end of each plug-in rod is fixedly connected with the sleeve joint pipe and located at the lower end of the sleeve joint pipe.

5. The clamping type metal flange of claim 4, characterized in that, The flange plate includes a disc body and a plurality of hole sleeves, each hole sleeve is fixedly connected with the disc body and located on the inner side of the disc body, and the disc body is slidingly connected with the sleeve joint pipe and located on the circumferential side of the sleeve joint pipe.

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