Concave-convex flange with self-clamping structure

Abstract

The concave-convex flange with the self-clamping structure comprises a first main flange body, a connecting ring is fixedly connected to the surface of the outer ring of the first main flange body, a second clamping opening is formed in the surface of the inner ring of the connecting ring, a supporting connecting plate is fixedly connected to the surface of the bottom of the connecting ring, and a second clamping opening is formed in the surface of the inner ring of the connecting ring. A second flange is fixedly connected to the surface of the bottom of the supporting connecting plate, a fixing block is fixedly connected to the surface of the outer ring of the connecting ring, a nut is fixedly connected to the surface of the side edge of the fixing block, and an inner ring protection baffle is fixedly connected to the surface of the inner ring of the connecting ring. When a user needs to use and clamp the device, the user needs to insert a first main flange into a second clamping opening formed in a connecting ring, so that the user can insert the first main flange into the connecting ring, then the user needs to screw a threaded rod, and the first main flange and the second main flange are clamped. In this way, a user can connect the connecting ring and the first main flange.

Description

Technical Field

[0001] The utility model belongs to the technical direction of concave-convex flanges, and particularly relates to a concave-convex flange with a self-locking structure. Background Technique

[0002] A flange, also known as a flange convex disc or flange. A flange is a part used for connecting shafts to each other, used for connecting pipe ends, and also used for flanges at the inlets and outlets of equipment for connecting two pieces of equipment, such as a reducer flange. A flange connection or flange joint refers to a detachable connection composed of a flange, a gasket, and bolts connected to each other as a set of combined sealing structures. A pipe flange refers to a flange used for piping in a piping device, and when used on equipment, it refers to the inlet and outlet flanges of the equipment. There are holes in the flange, and bolts tightly connect the two flanges. The flanges are sealed with gaskets between them. Flanges are divided into threaded connection flanges, welded flanges, and clamp flanges. Flanges are used in pairs. Low-pressure pipelines can use threaded flanges, and welded flanges are used for pressures above four kilograms. Among them, the concave-convex surface flange is a pair of flanges, one of whose sealing surfaces is concave and the other is convex. When a user uses a concave-convex flange, it needs to be used with a limit locking structure.

[0003] The following problems exist in the prior art:

[0004] 1. The existing concave-convex flanges on the market currently have imperfect functions when users need to use them with a locking structure.

[0005] 2. When users need to install and use the existing concave-convex flanges on the market as a whole, they need to use auxiliary structures, which will increase the user's usage cost. Content of the Utility Model

[0006] The purpose of the present utility model is to provide a concave-convex flange with a self-locking structure for the existing device to solve the problems raised in the above background technique.

[0007] To solve the above technical problems, the present utility model provides the following technical solution: A concave-convex flange with a self-locking structure, including a first main flange, a connecting ring is fixedly connected to the outer ring surface of the first main flange, and a second locking opening is provided on the inner ring surface of the connecting ring.

[0008] A support connecting plate is fixedly connected to the bottom surface of the connecting ring, and a second flange is fixedly connected to the bottom surface of the support connecting plate.

[0009] A fixing block is fixedly connected to the outer ring surface of the connecting ring, a nut is fixedly connected to the side surface of the fixing block, and an inner ring protective baffle is fixedly connected to the inner ring surface of the connecting ring.

[0010] The present utility model is further described as follows. An installation opening is formed on the upper surface of the first main flange, and the installation opening is circumferentially formed around the first main flange as the center point.

[0011] By adopting the above technical solution, the installation opening circumferentially formed around the first main flange in this solution can facilitate the user to install and use the first main flange.

[0012] The present utility model is further described as follows. A first clamping opening is formed on the bottom surface of the second flange, and the number of the first clamping openings is multiple.

[0013] By adopting the above technical solution, the multiple first clamping openings in this solution can facilitate the user to limit and install the second flange with bolts.

[0014] The present utility model is further described as follows. A threaded rod is connected to the inner surface of the nut in a limited manner, and the threaded rod is connected through the nut, the fixing block and the connecting ring.

[0015] By adopting the above technical solution, the threaded rod connected through the nut, the fixing block and the connecting ring in this solution can facilitate the user to connect the threaded rod and the nut.

[0016] The present utility model is further described as follows. A rotating handle is fixedly connected to the side surface of the threaded rod, and the rotating handle is connected through the threaded rod and the nut.

[0017] By adopting the above technical solution, the rotating handle connected through the threaded rod and the nut in this solution can facilitate the user to connect the nut and the rotating handle.

[0018] The present utility model is further described as follows. The fixing block connects the nut and the connecting ring, and the fixing block is symmetrically arranged with respect to the vertical center line of the nut.

[0019] By adopting the above technical solution, the fixing block symmetrically arranged with respect to the vertical center line of the nut in this solution can facilitate the user to stably install the nut on the connecting ring.

[0020] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0021] The present utility model provides a concave-convex flange with a self-latching structure. Through the mutual cooperation and use of the first main flange, mounting openings, connecting ring, second flange, latching openings, nuts, fixing blocks, threaded rods, rotating handles, inner ring protective baffles, latching openings, and support connecting plates, it is convenient for users to use and latch the concave-convex flange. When the user needs to use and latch it, the user needs to insert the first main flange into the second latching opening formed in the connecting ring, so that the user can insert it onto the connecting ring. Then, the user needs to turn the threaded rod, so that the user can connect the connecting ring and the first main flange, meeting the user's need for use and latching.

[0022] The present utility model provides a concave-convex flange with a self-latching structure. Through a plurality of mounting openings formed on the upper surface of the first main flange and a plurality of first latching openings formed on the second flange, it is convenient for users to use bolts to perform overall use and limit latching and installation of the concave-convex flange, meeting the user's need for overall limit latching and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0024] Figure 1 is the overall structural schematic diagram of the present utility model;

[0025] Figure 2 is the top view of the structure of the present utility model;

[0026] Figure 3 is the front cross-sectional view of the structure of the present utility model;

[0027] Figure 4 is the structure of the present utility model Figure 1 magnified view of the structure at A in;

[0028] Figure 5 is the bottom view of the structure of the present utility model.

[0029] In the figure: 1, first main flange; 2, mounting opening; 3, connecting ring; 4, second flange; 5, first latching opening; 6, nut; 7, fixing block; 8, threaded rod; 9, rotating handle; 10, inner ring protective baffle; 11, second latching opening; 12, support connecting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The technical solution of the present utility model will be further described in detail and non - restrictively in conjunction with the preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0031] Please refer to Figures 1-5 , the present utility model provides a technical solution: a concave - convex flange with a self - clamping structure, including a first main flange 1. A connecting ring 3 is fixedly connected to the outer - ring surface of the first main flange 1, and a second clamping opening 11 is formed on the inner - ring surface of the connecting ring 3.

[0032] In this embodiment, an installation opening 2 is formed on the upper surface of the first main flange 1, and the installation opening 2 is circumferentially formed around the first main flange 1 as the center point. The installation opening 2 circumferentially formed around the first main flange 1 as the center point can facilitate the user to install and use the first main flange 1. A first clamping opening 5 is formed on the bottom surface of the second flange 4, and the number of the first clamping openings 5 is multiple. The multiple first clamping openings 5 can facilitate the user to use bolts to limit and install the second flange 4.

[0033] Embodiment 2

[0034] As Figures 1-5 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, a support connecting plate 12 is fixedly connected to the bottom surface of the connecting ring 3, and a second flange 4 is fixedly connected to the bottom surface of the support connecting plate 12.

[0035] In this embodiment, a threaded rod 8 is connected in a limited - way to the inner - ring surface of the nut 6, and the threaded rod 8 is connected between the nut 6, the fixed block 7 and the connecting ring 3. The threaded rod 8 connected between the nut 6, the fixed block 7 and the connecting ring 3 can facilitate the user to connect the threaded rod 8 and the nut 6. A rotating handle 9 is fixedly connected to the side surface of the threaded rod 8, and the rotating handle 9 is connected between the threaded rod 8 and the nut 6. The rotating handle 9 connected between the threaded rod 8 and the nut 6 can facilitate the user to connect the nut 6 and the rotating handle 9.

[0036] Embodiment 3

[0037] As Figures 1-5 shown, on the basis of Embodiments 1 and 2, the present utility model provides a technical solution: Preferably, a fixed block 7 is fixedly connected to the outer - ring surface of the connecting ring 3, a nut 6 is fixedly connected to the side surface of the fixed block 7, and an inner - ring protection baffle 10 is fixedly connected to the inner - ring surface of the connecting ring 3.

[0038] In this embodiment, the fixing block 7 connects the nut 6 and the connecting ring 3, and the fixing block 7 is symmetrically arranged with the vertical center line of the nut 6 as the axis of symmetry. The fixing block 7 symmetrically arranged with the vertical center line of the nut 6 as the axis of symmetry can facilitate the user to stably install the nut 6 on the connecting ring 3.

[0039] As Figures 1-5 shown, when the user needs to use it and when the user needs to perform snap connection, the user needs to insert the first main flange 1 into the second snap opening 11 opened on the connecting ring 3, so that the user can insert it onto the connecting ring 3. Then the user needs to turn the threaded rod 8, so that the user can connect the connecting ring 3 and the first main flange 1. In this way, the user can perform snap connection use, and through the multiple installation openings 2 opened on the upper surface of the set first main flange 1 and the multiple first snap openings 5 opened on the second flange 4, it is convenient for the user to use bolts to perform overall use limit snap connection installation on the concave-convex flange. In this way, the user can perform overall limit snap connection installation use.

[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0041] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A concave-convex flange with a self-clamping structure, comprising a first main flange (1), characterized in that: A connecting ring (3) is fixedly connected to the outer ring surface of the first main flange (1); The inner ring surface of the connecting ring (3) is provided with a second clamping opening (11), and the bottom surface of the connecting ring (3) is fixedly connected with a supporting connecting plate (12); The bottom surface of the supporting connecting plate (12) is fixedly connected to a second flange (4), the outer ring surface of the connecting ring (3) is fixedly connected to a fixing block (7), the side surface of the fixing block (7) is fixedly connected to a nut (6), and the inner ring surface of the connecting ring (3) is fixedly connected to an inner ring protective baffle (10).

2. The concave-convex flange with a self-clamping structure according to claim 1, characterized in that: The upper surface of the first main flange (1) is provided with a mounting opening (2), and the mounting opening (2) is opened around the first main flange (1) as the center point.

3. The concave-convex flange with a self-clamping structure according to claim 1, characterized in that: A first clamping opening (5) is provided on the bottom surface of the second flange (4), and there are a plurality of first clamping openings (5).

4. The concave-convex flange with a self-clamping structure according to claim 1, characterized in that: The inner ring surface of the nut (6) is limitedly connected with a threaded rod (8), and the threaded rod (8) is connected through the nut (6) and the fixing block (7) and the connecting ring (3).

5. The concave-convex flange with a self-clamping structure according to claim 4, characterized in that: A rotating handle (9) is fixedly connected to the side surface of the threaded rod (8), and the rotating handle (9) is connected between the threaded rod (8) and the nut (6).

6. The concave-convex flange with a self-clamping structure according to claim 1, characterized in that: The fixing block (7) connects the nut (6) and the connecting ring (3), and the fixing block (7) is symmetrically arranged with the vertical center line of the nut (6) as the symmetry axis.

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