Flange connection groove pipe fitting

Abstract

The utility model relates to the technical field of pipeline groove connection, in particular to a flange connection groove pipe fitting which comprises a flange plate and a connecting mechanism, the connecting mechanism comprises a pipe body, a mounting ring, a soft cushion, a sealing assembly, an abutting assembly and a wear-resisting assembly, and two annular sealing gaskets in the sealing assembly are arranged at the upper end and the lower end of the pipe body respectively. The upper end and the lower end which are tightly attached are matched with a straight cylinder type injection molding sealing cylinder to connect the two annular sealing gaskets, on the premise that sealing is not affected, it is guaranteed that the internal pressure conditions of a pipe body are the same, and the problems that the thickness of a sealing layer in a groove pipe fitting body is not uniform, and after a lining protection layer is extruded after long-time use, the sealing layer is damaged are solved. And the sealing effect of the sealing layer is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline trench connecting technical field especially, relate to a flange connection trench pipe fitting. BACKGROUND

[0002] Pipeline trench connection is the sleeve type quick connection that adopts the special rolling groove machine processing into the annular trench at pipeline joint part, the rubber sealing ring is put on the adjacent pipe end, is assembled with the split type clamp piece, C type rubber sealing ring and fastener etc.

[0003] In the prior art, a trench pipe fitting is provided in patent (CN212056220U), which comprises a trench pipe fitting body, an injection molding sealing layer is fixed on the inner wall of the pipe opening of the trench pipe fitting body, the injection molding sealing layer is arranged in a ring shape along the inner wall of the pipe opening of the trench pipe fitting body to form a cylindrical structure, an annular sealing gasket is attached to the end face of the pipe opening at both ends of the trench pipe fitting body, the inner circle of the annular sealing gaskets at both ends is fixed opposite to the outer side port of the injection molding sealing layer to form an integral structure, an inner lining protective layer is fixed on the inner cylinder wall of the cylindrical injection molding sealing layer, the injection molding sealing layer and the annular sealing gasket are provided to enhance the sealing performance; the annular sealing gasket isolates the front end pipe opening end face of the trench pipe fitting body and the pipe end of the connected pipe material, the rear end pipe opening end face of the trench pipe fitting body and the flange or valve abutting end face, eliminates fluid leakage and direct contact of the trench pipe fitting body pipe end, effectively prevents the trench pipe fitting body pipe end from rusting, prolongs the service life of the trench pipe fitting, and reduces maintenance cost.

[0004] However, in the above-mentioned prior art, the thickness of the sealing layer in the trench pipe fitting body is not uniform, and after long-term use, the inner lining protective layer is extruded, which affects the sealing effect of the sealing layer. SUMMARY

[0005] The utility model discloses a flange connection trench pipe fitting, which solves the problem of uneven thickness of the sealing layer in the trench pipe fitting body in the prior art, which affects the sealing effect of the sealing layer after long-term use and extrusion of the inner lining protective layer.

[0006] In order to achieve the above object, the utility model provides a kind of flange connection groove pipe fitting, including flange and connecting mechanism, the connecting mechanism includes pipe body, mounting ring, soft pad, sealing assembly, bearing assembly and wear-resistant component, the wear-resistant component and the mounting ring are fixedly connected with the pipe body, and are located at the circumferential side of the pipe body, the bearing assembly is fixedly connected with the sealing assembly, and is located below the sealing assembly, the sealing assembly is fixedly connected with the pipe body, and is located the inner wall of the pipe body, the soft pad is fixedly connected with the mounting ring, and is located the inside of the mounting ring, the pipe body is fixedly connected with the flange, and is located the inside of the flange.

[0007] Wherein, the sealing assembly includes injection molding sealing cylinder, two annular sealing pads and built-in cylinder, the built-in cylinder is fixedly connected with the injection molding sealing cylinder, and is located the inside of the injection molding sealing cylinder, two the annular sealing pad is fixedly connected with the injection molding sealing cylinder, and is located the upper and lower ends of the injection molding sealing cylinder respectively, the injection molding sealing cylinder is fixedly connected with the pipe body, and is located the inner wall of the pipe body.

[0008] Wherein, the bearing assembly includes bottom ring and multiple bearing rings, each the bearing ring is fixedly connected with the bottom ring, and is located below the bottom ring, the bottom ring is fixedly connected with one of the annular sealing pad, and is located below one of the annular sealing pad.

[0009] Wherein, the wear-resistant component includes wear-resistant cylinder and multiple convex strips, each the convex strip is fixedly connected with the wear-resistant cylinder, and is located the circumferential side of the wear-resistant cylinder, the wear-resistant cylinder is fixedly connected with the pipe body, and is located the circumferential side of the pipe body.

[0010] Wherein, the flange includes disc body, multiple hole sleeves and welding ring, the welding ring is fixedly connected with the disc body, and is located above the disc body, each the hole sleeve is fixedly connected with the disc body, and is located the circumferential side of the disc body, the disc body is fixedly connected with the pipe body, and is located the circumferential side of the pipe body.

[0011] The utility model discloses a kind of flange connection groove pipe fitting, present setting two the annular sealing pad in the sealing assembly is set in the upper and lower ends of the pipe body respectively, tightly fits the upper and lower ends of the pipe body, cooperates straight cylinder type injection molding sealing cylinder and connects two the annular sealing pad, under the premise of not affecting sealing, ensure that the pipe body inside is under the same pressure, solve the problem that the sealing layer thickness in the groove pipe fitting body is not uniform, after long-term use, the sealing effect of sealing layer is affected after the inner lining protective layer is extruded. 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 description of the embodiments or the prior art will be briefly introduced.

[0013] Figure 1 is a kind of flange connection groove pipe fitting of the overall structure schematic view of the utility model.

[0014] Figure 2 is a kind of flange connection groove pipe fitting of the front view of the utility model.

[0015] Figure 3 is the A-A line section view of the utility model Figure 2 .

[0016] Figure 4 is the B place local structure of the utility model Figure 3 Enlarged view.

[0017] 101-flange, 102-connection mechanism, 103-tube body, 104-mounting ring, 105-soft pad, 106-sealing assembly, 107-resisting assembly, 108-wear-resistant assembly, 109-injection sealing cylinder, 110-ring-shaped sealing gasket, 111-embedded cylinder, 112-bottom ring, 113-resisting ring, 114-wear-resistant cylinder, 115-convex strip, 116-disk body, 117-hole sleeve, 118-welding ring. DETAILED DESCRIPTION

[0018] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0019] Please refer to Figures 1-4 , wherein Figure 1 is a kind of flange connection groove pipe fitting of the overall structure schematic view of the utility model, Figure 2 is a kind of flange connection groove pipe fitting of the front view of the utility model, Figure 3 is the A-A line section view of the utility model Figure 2 . Figure 4 is the B place local structure of the utility model Figure 3 Enlarged view.

[0020] The utility model provides a kind of flange connection groove pipe fitting, including flange plate 101 and connecting mechanism 102, the connecting mechanism 102 includes pipe body 103, mounting ring 104, soft pad 105, sealing assembly 106, bearing assembly 107 and wear-resistant component 108, the sealing assembly 106 includes injection molding sealing cylinder 109, two annular gaskets 110 and built-in cylinder 111, the bearing assembly 107 includes bottom ring 112 and multiple bearing rings 113, the wear-resistant component 108 includes wear-resistant cylinder 114 and multiple convex strips 115, the flange plate 101 includes disc body 116, multiple hole sleeves 117 and welding ring 118.

[0021] For this specific embodiment, the wear-resistant component 108 and the mounting ring 104 are fixedly connected with the pipe body 103, the bearing assembly 107 is fixedly connected with the sealing assembly 106, the sealing assembly 106 is fixedly connected with the pipe body 103, the soft pad 105 is fixedly connected with the mounting ring 104, the pipe body 103 is fixedly connected with the flange plate 101, the built-in cylinder 111 is fixedly connected with the injection molding sealing cylinder 109, both of the annular gaskets 110 are fixedly connected with the injection molding sealing cylinder 109, the injection molding sealing cylinder 109 is fixedly connected with the pipe body 103, each of the bearing rings 113 is fixedly connected with the bottom ring 112, the bottom ring 112 is fixedly connected with one of the annular gaskets 110, each of the convex strips 115 is fixedly connected with the wear-resistant cylinder 114, the wear-resistant cylinder 114 is fixedly connected with the pipe body 103, the welding ring 118 is fixedly connected with the disc body 116, each of the hole sleeves 117 is fixedly connected with the disc body 116, the disc body 116 is fixedly connected with the pipe body 103, the two annular gaskets 110 in the sealing assembly 106 are arranged at the upper and lower ends of the pipe body 103, tightly fit the upper and lower ends of the pipe body 103, and the injection molding sealing cylinder 109 is connected with the two annular gaskets 110, without affecting the sealing, ensuring that the pipe body 103 is under the same pressure, solving the problem of uneven thickness of the sealing layer in the groove pipe body, after long-term use, the sealing effect of the sealing layer is affected after the inner lining protective layer is extruded.

[0022] Wherein, the wear-resistant assembly 108 and the mounting ring 104 are located on the circumferential side of the pipe body 103, the abutting assembly 107 is located below the sealing assembly 106, the sealing assembly 106 is located on the inner wall of the pipe body 103, the soft pad 105 is located on the inner side of the mounting ring 104, the pipe body 103 is located on the inner side of the flange plate 101, the outer diameter of the mounting ring 104 is equal to the inner diameter of the pipeline to be installed, and the soft pad 105 plays a sealing role after connection. The outer pipeline can also be directly connected with the upper end of the pipe body 103. In short, the mounting ring 104 provides multiple choices for workers to connect the pipeline.

[0023] Secondly, the built-in cylinder 111 is located on the inner side of the injection sealing cylinder 109, two annular sealing pads 110 are respectively located on the upper and lower ends of the injection sealing cylinder 109, the injection sealing cylinder 109 is located on the inner wall of the pipe body 103, each abutting ring 113 is located below the bottom ring 112, the bottom ring 112 is located below one of the annular sealing pads 110, the injection sealing cylinder 109 and the two annular sealing pads 110 are composed of soft sealing material, which maximizes the close-fitting degree of the upper and lower ends of the pipe body 103 and the inner wall of the pipe body 103. The bottom ring 112 and each abutting ring 113 are made of the same material as the pipe body 103, which serves to protect the lower end of the pipe body 103 close to the disc body 116, avoid other connected pipelines directly rubbing against the annular sealing pad 110, and affect the sealing effect. Similarly, the annular sealing pad 110 on the upper end of the pipe body 103 is protected by the mounting ring 104 and the soft pad 105.

[0024] Meanwhile, each of the convex strips 115 is located on the circumferential side of the wear-resistant cylinder 114, the wear-resistant cylinder 114 is located on the circumferential side of the pipe body 103, the welding ring 118 is located above the disc body 116, each of the hole sleeves 117 is located on the circumferential side of the disc body 116, the disc body 116 is located on the circumferential side of the pipe body 103, the wear-resistant cylinder 114 cooperates with the arrangement of a plurality of convex strips 115 to facilitate workers to obtain greater friction when installing the disc body 116 and the pipe body 103, so as to avoid slipping, each of the through grooves on the circumferential side of the disc body 116 is provided with the hole sleeve 117, and each of the hole sleeves 117 is provided with threads, so as to facilitate the close fitting of the bolt, ensure the stability after the disc body 116 is connected, and the two annular sealing gaskets 110 are respectively fixed on the upper and lower ends of the pipe body 103, thereby enhancing the sealing capacity after the pipe body 103 is connected, cooperating with the straight-cylinder type injection sealing cylinder 109, facilitating workers to install, and balancing the protection effect of the inner side wall of the pipe body 103, so that uneven stress does not occur, and then fixing the built-in cylinder 111 on the inner side of the injection sealing cylinder 109, further strengthening the structural strength in the pipe body 103, under the premise of ensuring sealing, enhancing the structural strength inside and outside the pipe body 103, and prolonging the service life of the pipe body 103.

[0025] In this embodiment, the outer diameter of the mounting ring 104 is equal to the inner diameter of the pipe to be installed, and after connection, the soft pad 105 plays a sealing role, and the outer pipe can also be directly connected with the upper end of the pipe body 103. In general, the mounting ring 104 provides multiple choices for workers to connect the pipe. The injection sealing cylinder 109 and the two annular sealing pads 110 are composed of soft sealing materials, which maximize the close-fitting degree with the upper and lower ends of the pipe body 103 and the inner wall of the pipe body 103. The bottom ring 112 and each of the abutting rings 113 are made of the same material as the pipe body 103, which aims to protect the lower end of the pipe body 103 close to the disc body 116, avoid other connected pipes directly rubbing the annular sealing pad 110, and affect the sealing effect. Similarly, the annular sealing pad 110 at the upper end of the pipe body 103 is protected by the mounting ring 104 and the soft pad 105. The wear-resistant cylinder 114 cooperates with the arrangement of multiple convex strips 115 to facilitate workers to install the disc body 116 and the pipe body 103 to obtain greater friction and avoid slipping. Each through slot on the periphery of the disc body 116 is provided with the hole sleeve 117, and each hole sleeve 117 is provided with threads to facilitate the close-fitting of the bolt and ensure the stability of the disc body 116 after connection. The two annular sealing pads 110 are fixed on the upper and lower ends of the pipe body 103, which enhances the sealing capacity of the pipe body 103 after connection, cooperates with the straight-cylinder injection sealing cylinder 109, and facilitates workers to install and balance the protection effect of the inner wall of the pipe body 103, without uneven stress. Then, the built-in cylinder 111 is fixed on the inner side of the injection sealing cylinder 109, which further enhances the structural strength of the pipe body 103, enhances the structural strength of the inside and outside of the pipe body 103 under the premise of ensuring its sealing, and prolongs the service life of the pipe body 103.

[0026] The above disclosure is only one or more preferred embodiments of the present application, which 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 flanged grooved pipe fitting, comprising a flange, characterized in that, It also includes a connecting mechanism, which comprises a pipe body, a mounting ring, a soft pad, a sealing component, a supporting component, and a wear-resistant component. The wear-resistant component and the mounting ring are both fixedly connected to the pipe body and located on the periphery of the pipe body. The supporting component is fixedly connected to the sealing component and located below the sealing component. The sealing component is fixedly connected to the pipe body and located on the inner wall of the pipe body. The soft pad is fixedly connected to the mounting ring and located inside the mounting ring. The pipe body is fixedly connected to the flange and located inside the flange.

2. The flange connection grooved pipe fitting as described in claim 1, characterized in that, The sealing assembly includes an injection-molded sealing cylinder, two annular sealing gaskets, and an inner cylinder. The inner cylinder is fixedly connected to the injection-molded sealing cylinder and located inside the injection-molded sealing cylinder. The two annular sealing gaskets are fixedly connected to the injection-molded sealing cylinder and located at the upper and lower ends of the injection-molded sealing cylinder, respectively. The injection-molded sealing cylinder is fixedly connected to the pipe body and located on the inner wall of the pipe body.

3. The flange-connected grooved pipe fitting as described in claim 2, characterized in that, The abutment assembly includes a bottom ring and a plurality of abutment rings, each of the abutment rings being fixedly connected to the bottom ring and located below the bottom ring. The bottom ring is fixedly connected to one of the annular sealing gaskets and located below one of the annular sealing gaskets.

4. The flange connection grooved pipe fitting as described in claim 3, characterized in that, The wear-resistant component includes a wear-resistant cylinder and multiple protrusions. Each protrusion is fixedly connected to the wear-resistant cylinder and located on the periphery of the wear-resistant cylinder. The wear-resistant cylinder is fixedly connected to the tube body and located on the periphery of the tube body.

5. The flange-connected grooved pipe fitting as described in claim 4, characterized in that, The flange includes a disc body, multiple perforated sleeves, and a welding ring. The welding ring is fixedly connected to the disc body and located above the disc body. Each perforated sleeve is fixedly connected to the disc body and located on the periphery of the disc body. The disc body is fixedly connected to the pipe body and located on the periphery of the pipe body.

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