CN218510379U

CN218510379U - Flange for pipeline connection

Info

Publication number: CN218510379U
Application number: CN202222400933.2U
Authority: CN
Inventors: 赖定坤
Original assignee: Cnnc Heavy Industry Hubei Co ltd
Current assignee: Cnnc Heavy Industry Hubei Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-21
Anticipated expiration: 2032-09-09

Abstract

The utility model belongs to the technical field of the flange, especially, a flange for pipe connection, to the problem that current flange can not be suitable for not equidimension pipeline, the following scheme is proposed at present, and it includes hollow structure's ring flange, the inside of ring flange is provided with the rack of loop configuration, the outer lane of rack is fixed with the first connecting rod that cup joints with the slip of ring flange outer lane inner wall, the inner circle meshing of rack has the first gear along its central axis array distribution, the inner circle rigid coupling of first gear has the first pivot with ring flange bottom inner wall activity cup joint, the outer lane rigid coupling of first pivot has the second gear that is located the first gear below, one side meshing of second gear has fixture; the utility model discloses can carry out the centre gripping fast to flange and pipeline and fix, and can adapt to the not pipeline of equidimension, improve the portability that the flange used.

Description

Flange for pipeline connection

Technical Field

The utility model relates to a flange technical field especially relates to a flange for pipe connection.

Background

The flange is also called flange disc or flange, the flange is a part for connecting the shaft and the shaft, is used for connecting pipe ends, is also used for connecting the inlet and the outlet of equipment, is used for connecting two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, and refers to a detachable connection which is formed by connecting a flange, a gasket and a bolt, wherein the flange, the gasket and the bolt are connected with each other to form a combined sealing structure, and the pipeline flange refers to a flange for piping in a pipeline device and refers to an inlet and outlet flange of the equipment on the equipment. However, the flanges in the existing market are difficult to match pipelines with different pipe diameters at the same time, and the application range is small, so that the flange for pipeline connection is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flange for pipe connection has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flange for pipe connection, includes hollow structure's ring flange, the inside of ring flange is provided with the first rack of loop configuration, the outer lane of first rack is fixed with the head rod that slides and cup joint with ring flange outer lane inner wall, the inner circle meshing of first rack has the first gear along its central axis array distribution, the inner circle rigid coupling of first gear has the first pivot of cup jointing with ring flange bottom inner wall activity, the outer lane rigid coupling of first pivot has the second gear that is located first gear below, one side meshing of second gear has fixture.

Preferably, the clamping mechanism comprises a second rack meshed with a second gear, the second rack is in sliding sleeve connection with the inner ring of the flange plate, a second fixing rod in sliding connection with the inner wall of the flange plate is fixed at the bottom of the second rack, and a clamping plate is fixed at one end, extending out of the flange plate, of the second rack.

Preferably, the inner wall of the flange plate is provided with a first chute which is coaxially arranged with the flange plate and has an annular structure, one end of the first connecting rod, which is close to the outer ring of the flange plate, is fixed with a first sliding block, and the other end of the first sliding block is slidably sleeved with the inside of the first chute.

Preferably, a second sliding block is fixed at the bottom of the second fixing rod, second sliding grooves distributed in an array mode along the central axis of the second sliding block are formed in the inner wall of the bottom of the flange plate, and the bottom of the second sliding block is in sliding sleeve connection with the inner portion of the corresponding second sliding groove.

Preferably, the clamping plate is of an arc-shaped structure, and the inner ring of the clamping plate is fixed with the anti-slip pad.

Preferably, the top of one group of the first rotating shaft is movably sleeved with the top of the flange plate, a limiting block is fixed to the top of the first rotating shaft, a first inserting hole is formed in the other end of the limiting block, inserting grooves distributed along the central axis in an array mode are formed in the top of the limiting block, and the same group of inserting connecting rods are slidably sleeved on the first inserting hole and the inserting grooves.

The utility model discloses in carry out the centre gripping through first rack, first gear, second dead lever, second rack and first pivot to the not pipeline of equidimension fixed, improved the convenience that the flange used.

Drawings

Fig. 1 is a schematic structural view of a flange for pipeline connection according to the present invention.

Fig. 2 is a schematic structural view of the first rack and the first gear of the present invention.

FIG. 3 is a schematic view of the first rotating shaft and the clamping plate of the present invention

Reference numbers in the figures: 1. a flange plate; 2. a first rack; 3. a first gear; 4. a first rotating shaft; 5. a second gear; 6. a second rack; 7. a clamping plate; 8. a second fixing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a flange for pipeline connection comprises a flange plate 1 with a hollow structure, a first rack 2 with an annular structure is arranged inside the flange plate 1, a first connecting rod slidably sleeved with the inner wall of the outer ring of the flange plate 1 is fixed on the outer ring of the first rack 2, first gears 3 distributed along the central axis of the first rack 2 are meshed with the inner ring of the first rack 2, a first rotating shaft 4 movably sleeved with the inner wall of the bottom of the flange plate 1 is fixedly connected with the inner ring of the first gear 3, a second gear 5 positioned below the first gear 3 is fixedly connected with the outer ring of the first rotating shaft 4, and a clamping mechanism is meshed with one side of the second gear 5; when the pipeline is clamped and fixed, the pipeline is placed between the clamping plates 7 firstly, then the limiting block is rotated, the limiting block drives the first rotating shaft 4 connected with the first rotating shaft, the first rotating shaft 4 drives the first gear 3 and the second gear 5 connected with the first rotating shaft to rotate, the first gear 3 drives the first rack 2 connected with the first gear to rotate, the first rack 2 drives all the first gears 3 meshed with the first rack to rotate, all the second gears 5 rotate, the second gear 5 drives the second rack 6 connected with the second gear to move, the second rack 6 drives the clamping plates 7 connected with the second rack to move, the pipeline is clamped and fixed, then the limiting block is fixed through the inserting rod, the installation and the disassembly of the flange are facilitated, the pipelines with different sizes can be clamped and fixed, and the use convenience of the flange is improved.

The clamping mechanism comprises a second rack 6 meshed with the second gear 5, the second rack 6 is in sliding sleeve joint with the inner ring of the flange plate 1, a second fixed rod 8 in sliding connection with the inner wall of the flange plate 1 is fixed at the bottom of the second rack 6, and a clamping plate 7 is fixed at one end, extending out of the flange plate 1, of the second rack 6; the first rotating shaft 4 drives the first gear 3 and the second gear 5 which are connected with the first rotating shaft to rotate, the first gear 3 drives the first rack 2 which is connected with the first gear to rotate, the first rack 2 drives all the first gears 3 which are meshed with the first rack to rotate, all the second gears 5 rotate, the second gear 5 drives the second rack 6 which is connected with the second rack to move, and the second rack 6 drives the clamping plate 7 which is connected with the second rack to move, so that the pipeline is clamped and fixed.

A first sliding groove of an annular structure is formed in the inner wall of the flange plate 1 and is coaxial with the flange plate, a first sliding block is fixed at one end of a first connecting rod, which is close to the outer ring of the flange plate 1, and the other end of the first sliding block is in sliding sleeve connection with the inside of the first sliding groove; so that the first connecting rod can slide along the first sliding groove through the first sliding block.

A second sliding block is fixed at the bottom of the second fixed rod 8, second sliding grooves distributed in an array mode along the central axis of the second sliding block are formed in the inner wall of the bottom of the flange plate 1, and the bottom of the second sliding block is in sliding sleeve connection with the inner portions of the corresponding second sliding grooves; so that the second fixing lever 8 can slide along the second slide groove by the second slider.

The clamping plate 7 is of an arc-shaped structure, and an anti-skid pad is fixed on the inner ring of the clamping plate 7; the pipeline can be firmly clamped and fixed.

The top of one group of first rotating shafts 4 is movably sleeved with the top of the flange plate 1, a limiting block is fixed at the top of each first rotating shaft 4, a first inserting hole is formed in the other end of the limiting block, inserting grooves distributed along the central axis array of the first rotating shafts 4 are formed in the top of the flange plate 1, and the first inserting holes and the inserting grooves are slidably sleeved with the same group of inserting connecting rods; the first inserting hole and the inserting groove are connected through the inserting rod, so that the limiting block is connected, and the first rotating shaft 4 can be fixed.

The working principle is as follows: when the pipeline is clamped and fixed, the pipeline is placed between the clamping plates 7, then the limiting block is rotated, the limiting block drives the first rotating shaft 4 connected with the limiting block, the first rotating shaft 4 drives the first gear 3 and the second gear 5 connected with the first rotating shaft to rotate, the first gear 3 drives the first rack 2 connected with the first gear to rotate, the first rack 2 drives all the first gears 3 meshed with the first rack to rotate, all the second gears 5 rotate, the second gear 5 drives the second rack 6 connected with the second gear to move, the second rack 6 drives the clamping plates 7 connected with the second rack to move, the pipeline is clamped and fixed, then the limiting block is fixed by the aid of the inserting rods, mounting and dismounting of flanges are facilitated, clamping and fixing of pipelines of different sizes can be achieved, and convenience in use of the flanges is improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a flange for pipe connection, includes hollow structure's ring flange (1), its characterized in that, the inside of ring flange (1) is provided with first rack (2) of loop configuration, the outer lane of first rack (2) is fixed with the head rod that cup joints with ring flange (1) outer lane inner wall slip, the inner circle meshing of first rack (2) has first gear (3) along its central axis array distribution, the inner circle rigid coupling of first gear (3) has first pivot (4) that cup joint with ring flange (1) bottom inner wall activity, the outer lane rigid coupling of first pivot (4) has second gear (5) that are located first gear (3) below, the one side meshing of second gear (5) has fixture.

2. A flange for connecting a pipe according to claim 1, wherein the clamping mechanism comprises a second rack (6) engaged with the second gear (5), the second rack (6) is slidably sleeved with the inner ring of the flange plate (1), a second fixing rod (8) slidably connected with the inner wall of the flange plate (1) is fixed at the bottom of the second rack (6), and a clamping plate (7) is fixed at one end of the second rack (6) extending out of the flange plate (1).

3. The flange for connecting the pipeline according to claim 1, wherein the inner wall of the flange plate (1) is provided with a first sliding groove of an annular structure coaxially arranged with the flange plate, one end of the first connecting rod close to the outer ring of the flange plate (1) is fixed with a first sliding block, and the other end of the first sliding block is slidably sleeved with the inside of the first sliding groove.

4. The flange for connecting a pipeline as claimed in claim 2, wherein the second slide block is fixed at the bottom of the second fixing rod (8), the inner wall of the bottom of the flange plate (1) is provided with second sliding grooves distributed in an array along the central axis thereof, and the bottoms of the second slide blocks are slidably sleeved with the interiors of the corresponding second sliding grooves.

5. The flange for connecting a pipeline according to claim 2, wherein the clamping plate (7) has an arc-shaped structure, and an anti-slip pad is fixed on an inner ring of the clamping plate (7).

6. The flange for connecting a pipeline as claimed in claim 1, wherein the top of the first shaft (4) is movably sleeved with the top of the flange (1), a limiting block is fixed on the top of the first shaft (4), a first plugging hole is formed at the other end of the limiting block, plugging grooves distributed along the central axis array of the first shaft (4) are formed in the top of the flange (1), and the first plugging hole and the plugging groove are slidably sleeved with the same group of plugging rods.