Split groove flange piece

Abstract

The split groove flange piece comprises a first body and a second body, the first body and the second body are buckled with each other and fixedly connected through a bolt, and the groove flange piece is provided with a through hole used for being arranged on a pipeline in a sleeving mode and bolt holes evenly distributed around the through hole. The inner wall of the through hole is provided with a clamping part used for being matched with a groove in a pipeline. The first body is provided with a first convex lug, the second body is provided with a second convex lug corresponding to the first convex lug, the first convex lug and the second convex lug are arranged in a lower laminated mode in the axis direction of the flange, and at least one bolt hole penetrates through the first convex lug and the second convex lug.

Description

Technical Field

[0001] The present application belongs to the technical field of flanges and relates to a split groove flange. Background Art

[0002] Flanges are parts used to connect pipes to each other. Bolt holes are usually provided on the flanges. Bolts connect the two flanges tightly. Gaskets (flange gaskets) are usually used to seal between the flanges. The two parts of the existing groove flanges are mostly connected by bolts and nuts. The connection between the two parts is easy to deviate and the connection is poor. Utility Model Content

[0003] In order to overcome the problems existing in the related art, the purpose of the present application is to provide a split groove flange.

[0004] The present application is implemented through the following technical solutions.

[0005] The technical solution is to provide a split groove flange, comprising a first body and a second body, the first body and the second body are mutually buckled and fixedly connected by bolts, the groove flange is provided with a through hole for sleeved on a pipe and bolt holes uniformly arranged around the through hole, and the inner wall of the through hole is provided with a clamping portion for matching with the groove on the pipe;

[0006] The first body is provided with a first lug, the second body is provided with a second lug corresponding to the first lug, the first lug and the second lug are stacked downward along the flange axis, and at least one bolt hole passes through the first lug and the second lug.

[0007] The groove flange of the present technical solution adopts bolts to fix the first body and the second body, which reduces the use of nuts and simplifies the assembly steps; the first lug and the second lug are stacked in the direction of the flange axis to block each other, thereby preventing the first body and the second body from offsetting. When in use, the screw for connecting the flange that passes through the bolt hole can further strengthen the fixation of the two bodies.

[0008] In one embodiment of the present technical solution, the first body and the second body are centrally symmetrically arranged about the flange axis.

[0009] In one embodiment of the present technical solution, the number of the first lugs on the first body is two, one of the first lugs is close to the first surface of the first body, and the other first lug is close to the second surface of the first body.

[0010] In one embodiment of the present technical solution, the number of the second lugs on the second body is two, one of the second lugs is close to the first surface of the second body, and the other second lug is close to the second surface of the second body.

[0011] In one embodiment of the technical solution, a first connecting portion is provided at one end of the first body, and a second connecting portion corresponding to the first connecting portion is provided on the second body;

[0012] One of the first connecting part and the second connecting part is provided with a threaded hole, and the other is provided with a fixing hole, and the bolt passes through the fixing hole and is threadedly connected with the threaded hole.

[0013] In one embodiment of the present technical solution, the number of the first connecting parts is two, which are respectively located at two ends of the first body; the number of the second connecting parts is two, which are respectively located at two ends of the second body.

[0014] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0016] Figure 1 It is a schematic diagram of the main structure of the groove flange shown in one embodiment of the present application.

[0017] Figure 2 It is a schematic diagram of the exploded structure of the groove flange shown in one embodiment of the present application.

[0018] Description of reference numerals:

[0019] 11-first body; 111-first lug; 112-first connecting portion; 113-threaded hole; 12-second body; 121-second lug; 122-second connecting portion; 123-fixing hole; 13-bolt; 101-through hole; 102-bolt eyelet; 103-clamping portion. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in some embodiments of the present application to clearly and completely describe the technical solutions in some embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0022] like Figure 1 and Figure 2 As shown in , this embodiment is a split groove flange, including a first body 11 and a second body 12, the first body 11 and the second body 12 are buckled with each other and fixedly connected by bolts 13, the groove flange is provided with a through hole 101 for sleeved on the pipeline and bolt holes 102 arranged uniformly circumferentially around the through hole 101, and the inner wall of the through hole 101 is provided with a clamping portion 103 for matching with the groove on the pipeline; the first body 11 is provided with a first lug 111, and the second body 12 is provided with a second lug 121 corresponding to the first lug 111, the first lug 111 and the second lug 121 are stacked downward along the flange axis direction, and at least one bolt hole 102 passes through the first lug 111 and the second lug 121.

[0023] In this way, the bolts 13 are used to fix the first body 11 and the second body 12, which reduces the use of nuts and simplifies the assembly steps. The first lug 111 and the second lug 121 are stacked in the direction of the flange axis to block each other, thereby preventing the first body 11 and the second body 12 from offsetting. When in use, the screw for connecting the flange plates passing through the bolt hole 102 can further strengthen the fixation of the two bodies.

[0024] In this embodiment, the first body 11 and the second body 12 are centrally symmetrically arranged about the flange axis.

[0025] In this embodiment, the number of the first lugs 111 on the first body 11 is two, one of the first lugs 111 is close to the first surface of the first body 11 , and the other first lug 111 is close to the second surface of the first body 11 .

[0026] In one embodiment of the present technical solution, the number of the second lugs 121 on the second body 12 is two, one of the second lugs 121 is close to the first surface of the second body 12 , and the other second lug 121 is close to the second surface of the second body 12 .

[0027] In this embodiment, a first connecting portion 112 is provided at one end of the first body 11, and a second connecting portion 122 corresponding to the first connecting portion 112 is provided on the second body 12; one of the first connecting portion 112 and the second connecting portion 122 is provided with a threaded hole 113, and the other is provided with a fixing hole 123, and the bolt 13 passes through the fixing hole 123 and is threadedly connected with the threaded hole 113.

[0028] In this embodiment, there are two first connection parts 112 , which are respectively located at two ends of the first body 11 ; and there are two second connection parts 122 , which are respectively located at two ends of the second body 12 .

[0029] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A split groove flange, characterized in that: It comprises a first body and a second body, the first body and the second body are mutually buckled and fixedly connected by bolts, the groove flange is provided with a through hole for sleeved on the pipeline and bolt holes uniformly arranged around the through hole, and the inner wall of the through hole is provided with a clamping part for matching with the groove on the pipeline; The first body is provided with a first lug, the second body is provided with a second lug corresponding to the first lug, the first lug and the second lug are stacked downward along the flange axis, and at least one bolt hole passes through the first lug and the second lug.

2. The split groove flange according to claim 1, characterized in that: The first body and the second body are centrally symmetrically arranged about the flange axis.

3. The split groove flange according to claim 1, characterized in that: The number of the first lugs on the first body is two, one of the first lugs is close to the first surface of the first body, and the other first lug is close to the second surface of the first body.

4. The split groove flange according to claim 1, characterized in that: The number of the second lugs on the second body is two, one of the second lugs is close to the first surface of the second body, and the other second lug is close to the second surface of the second body.

5. The split groove flange according to claim 1, characterized in that: A first connecting portion is provided at one end of the first body, and a second connecting portion corresponding to the first connecting portion is provided on the second body; One of the first connecting part and the second connecting part is provided with a threaded hole, and the other is provided with a fixing hole, and the bolt passes through the fixing hole and is threadedly connected with the threaded hole.

6. The split groove flange according to claim 5, characterized in that: The number of the first connection parts is two, which are respectively located at two ends of the first body; the number of the second connection parts is two, which are respectively located at two ends of the second body.

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