Flange with locking structure

Abstract

The utility model discloses a flange with a locking structure, which comprises a first flange plate, a second flange plate and a locking structure, a connecting mechanism is arranged between the first flange plate and the second flange plate, the connecting mechanism comprises a mounting rod, a mounting cap, a mounting groove and a flange pad, the mounting rod is in threaded connection with the mounting cap, and the mounting groove is in clamping groove connection with the flange pad; a locking mechanism is arranged on the outer side of the first flange plate and the outer side of the second flange plate and comprises a first locking plate, a second locking plate, a first connecting block, a second connecting block, a connecting cap, a first baffle and a second baffle, and the first locking plate is rotationally connected with the second locking plate. According to the flange with the locking structure, the flange can be effectively locked, the flange is prevented from being loosened or deviated after being used for a long time, the sealing effect is guaranteed, gaps between the flanges are avoided, mounting and dismounting are convenient, and operation is easy and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a flange with a locking structure. Background Technique

[0002] A flange refers to a part for connecting between shafts or between pipes. It is generally integrally formed of steel and includes integral flanges, threaded flanges, butt-welding flanges, slip-on flanges and socket-welding flanges, etc. It is widely used in the fields of construction, chemical industry, water supply and drainage, aerospace and shipbuilding. There are various flanges on the market, but there are still some disadvantages;

[0003] For example, it is not convenient to lock the flange. After long-term use, the flange is prone to looseness or deviation, affecting the sealing effect. There are easy to appear gaps between flanges, and the installation and disassembly are cumbersome. Therefore, we propose a flange with a locking structure to facilitate solving the problems raised above. Content of the Utility Model

[0004] The purpose of the utility model is to provide a flange with a locking structure to solve the problems in the above background technique that the current flange is not convenient to lock, is prone to looseness or deviation after long-term use, affects the sealing effect, there are easy to appear gaps between flanges, and the installation and disassembly are cumbersome.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A flange with a locking structure, including:

[0006] A first flange plate, and a second flange plate is closely attached to the right side of the first flange plate;

[0007] Also included are:

[0008] A connecting mechanism is arranged between the first flange plate and the second flange plate, and the connecting mechanism includes a mounting rod, a mounting cap, a mounting groove and a flange gasket. The mounting rod and the mounting cap are threadedly connected, and the mounting groove and the flange gasket are connected by a card slot;

[0009] A locking mechanism is arranged on the outer sides of the first flange plate and the second flange plate. The locking mechanism includes a first locking plate, a second locking plate, a first connecting block, a second connecting block, a connecting cap, a first baffle and a second baffle. The first locking plate and the second locking plate are rotatably connected, and both the first connecting block and the second connecting block are threadedly connected to the connecting cap.

[0010] Preferably, holes are provided inside both the first flange plate and the second flange plate, and the holes are distributed at equal angles;

[0011] Mounting grooves are provided on the inner sides of both the first flange plate and the second flange plate.

[0012] Preferably, an installation rod is connected to the inner card slot of the hole, and an installation cap is threadedly connected to the outer end of the installation rod, and the first flange and the installation cap are closely attached.

[0013] Preferably, positioning grooves are formed on the outer sides of the first flange and the second flange, and the positioning grooves are equally angularly distributed. A positioning strip is connected to the inner card slot of the positioning groove.

[0014] Preferably, a first locking plate is closely attached above the first flange and the second flange, and a second locking plate is closely attached below the first flange and the second flange. Positioning strips are fixed to the inner sides of the first locking plate and the second locking plate.

[0015] Preferably, a first connection block is fixed to the front side of the first locking plate, and a second connection block is welded to the front side of the second locking plate. The first connection block and the second connection block are both symmetrically arranged left and right.

[0016] Preferably, first baffles are fixed to both left and right sides of the first locking plate, and second baffles are welded to both left and right sides of the second locking plate. The first baffles and the second baffles are both closely attached to the first flange and the second flange.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: The flange with a locking structure can effectively lock the flange, prevent the flange from loosening or shifting after long-term use, ensure the sealing effect, avoid gaps between the flanges, facilitate installation and disassembly, and the operation is simple and fast;

[0018] 1. There are provided positioning strips, first baffles and second baffles. By equally angularly fixing the positioning strips on the inner sides of the first locking plate and the second locking plate, the positioning strips are connected to the card slots of the first flange and the second flange, and the first baffles and the second baffles are closely attached to the first flange and the second flange, which can effectively lock the flange and prevent the flange from loosening or shifting after long-term use;

[0019] 2. There are provided installation grooves, flange gaskets and a first locking plate. By forming installation grooves on the inner sides of the first flange and the second flange, the installation grooves are connected to the card slots of the flange gaskets, and the first locking plate and the second locking plate are connected to the card slots of the first flange and the second flange, which can ensure the sealing effect and avoid gaps between the flanges;

[0020] 3. There are provided a first connection block, a second connection block and a connection cap. By symmetrically fixing the first connection block on the left and right sides of the first locking plate and symmetrically fixing the second connection block on the left and right sides of the second locking plate, and the first connection block and the second connection block are both threadedly connected to the connection cap, it is convenient for installation and disassembly, and the operation is simple and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of the present utility model;

[0022] Figure 2 This is a front - view sectional structure schematic diagram of the present utility model;

[0023] Figure 3 This is an overall structure schematic diagram of the connection between the first flange and the installation groove of the present utility model;

[0024] Figure 4 This is an overall structure schematic diagram of the connection between the first flange and the positioning groove of the present utility model;

[0025] Figure 5 This is a side - view sectional structure schematic diagram of the present utility model;

[0026] Figure 6 This is a side - view structure schematic diagram of the present utility model;

[0027] Figure 7 This is an overall structure schematic diagram of the locking mechanism of the present utility model.

[0028] In the figure: 1. First flange; 2. Hole; 3. Second flange; 4. Installation rod; 5. Installation cap; 6. Installation groove; 7. Flange gasket; 8. Positioning groove; 9. Positioning strip; 10. First locking plate; 11. Second locking plate; 12. First connecting block; 13. Second connecting block; 14. Connecting cap; 15. First baffle; 16. Second baffle. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-7 , the present utility model provides a technical solution: A flange with a locking structure, comprising: a first flange 1, a hole 2, a second flange 3, an installation rod 4, an installation cap 5, an installation groove 6, a flange gasket 7, a positioning groove 8, a positioning strip 9, a first locking plate 10, a second locking plate 11, a first connecting block 12, a second connecting block 13, a connecting cap 14, a first baffle 15 and a second baffle 16;

[0031] First, as shown in Appendix Figure 1 and Appendix Figure 5As shown in the figure, the first flange 1 and the second flange 3 are installed together through a connecting mechanism composed of a mounting rod 4, a mounting cap 5, a mounting groove 6 and a flange gasket 7, and the first flange 1 and the second flange 3 are fixed together. The first locking plate 10, the second locking plate 11, the first connecting block 12, the second connecting block 13, the connecting cap 14, the first baffle 15 and the second baffle 16 are combined to form a locking mechanism to limit the first flange 1 and the second flange 3 to prevent loosening;

[0032] As shown in the attached Figure 3 ., the attached Figure 4 and the attached Figure 5 As shown in the figure, place the flange gasket 7 inside the first flange 1 so that the flange gasket 7 is connected to the card slot of the mounting groove 6 opened inside the first flange 1. Then, closely fit the left side of the second flange 3 with the right side of the first flange 1 so that the mounting groove 6 opened inside the second flange 3 is connected to the flange gasket 7 in a card slot manner. The outer side of the flange gasket 7 is closely fitted with both the first flange 1 and the second flange 3. Then, insert the mounting rod 4 into the hole 2 opened on the outer sides of the first flange 1 and the second flange 3 so that the mounting rod 4 is connected to the first flange 1 and the second flange 3 in a card slot manner at the same time. Then, thread-connect the mounting cap 5 and the mounting rod 4 so that the right side of the mounting cap 5 is closely fitted with the left side of the first flange 1. The holes 2 are evenly distributed at equal angles inside the first flange 1 and the second flange 3, which can fix the first flange 1 and the second flange 3;

[0033] As shown in the attached Figure 1 ., the attached Figure 2 ., the attached Figure 4 ., the attached Figure 5 ., the attached Figure 6 and the attached Figure 7As shown in the figure, place the second locking plate 11 below the first flange 1 and the second flange 3, so that the second locking plate 11 is in close contact with the lower parts of the first flange 1 and the second flange 3. Rotate the first locking plate 10 on the second locking plate 11 so that the first locking plate 10 is in close contact with the upper parts of the first flange 1 and the second flange 3. The first baffles 15 fixed on the left and right sides of the first locking plate 10 are respectively in close contact with the first flange 1 and the second flange 3. The second baffles 16 fixed on the left and right sides of the second locking plate 11 are respectively in close contact with the first flange 1 and the second flange 3, to limit the first flange 1 and the second flange 3 and prevent a gap from appearing between the first flange 1 and the second flange 3. The positioning strips 9 are evenly and angularly fixed on the inner sides of the first locking plate 10 and the second locking plate 11, and the positioning strips 9 are connected to the positioning grooves 8 opened on the outer sides of the first flange 1 and the second flange 3 by card slots to prevent the first flange 1 and the second flange 3 from shifting. The first connecting blocks 12 symmetrically distributed on the left and right of the first locking plate 10 are in close contact with the second connecting blocks 13 symmetrically arranged on the left and right of the second locking plate 11. Thread the connecting cap 14 to the first connecting block 12 and the second connecting block 13 to fix the first locking plate 10 and the second locking plate 11, thereby fixing the first flange 1 and the second flange 3.

[0034] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used in this utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. Plus, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0035] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A flange with a locking structure, comprising: A first flange (1), wherein a second flange (3) is tightly fitted on the right side of the first flange (1); It is characterized by further comprising: A connecting mechanism is provided between the first flange (1) and the second flange (3), wherein the connecting mechanism comprises a mounting rod (4), a mounting cap (5), a mounting groove (6) and a flange gasket (7), wherein the mounting rod (4) and the mounting cap (5) are threadedly connected, and the mounting groove (6) and the flange gasket (7) are slot-connected; A locking mechanism is provided on the outer sides of the first flange (1) and the second flange (3), wherein the locking mechanism comprises a first locking plate (10), a second locking plate (11), a first connecting block (12), a second connecting block (13), a connecting cap (14), a first baffle (15) and a second baffle (16); the first locking plate (10) and the second locking plate (11) are rotatably connected, and the first connecting block (12) and the second connecting block (13) are both threadedly connected to the connecting cap (14).

2. The flange with a locking structure according to claim 1, characterized in that: The first flange (1) and the second flange (3) are both provided with holes (2) inside, and the holes (2) are distributed at equal angles; The first flange (1) and the second flange (3) are both provided with mounting grooves (6) on their inner sides.

3. The flange with a locking structure according to claim 2, characterized in that: The internal slot of the eyelet (2) is connected to a mounting rod (4), and the outer end of the mounting rod (4) is threadedly connected to a mounting cap (5), and the first flange (1) and the mounting cap (5) are tightly fitted.

4. The flange with a locking structure according to claim 1, characterized in that: Positioning grooves (8) are provided on the outer sides of the first flange (1) and the second flange (3), and the positioning grooves (8) are distributed at equal angles. The inner grooves of the positioning grooves (8) are connected to positioning strips (9).

5. The flange with a locking structure according to claim 1, characterized in that: A first locking plate (10) is tightly fitted above the first flange (1) and the second flange (3), and a second locking plate (11) is tightly fitted below the first flange (1) and the second flange (3), and positioning strips (9) are fixed to the inner sides of the first locking plate (10) and the second locking plate (11).

6. The flange with a locking structure according to claim 5, characterized in that: A first connection block (12) is fixed to the front side of the first locking plate (10), and a second connection block (13) is welded to the front side of the second locking plate (11); the first connection block (12) and the second connection block (13) are both arranged bilaterally symmetrically.

7. The flange with a locking structure according to claim 5, characterized in that: A first baffle (15) is fixed to both left and right sides of the first locking plate (10), and a second baffle (16) is welded to both left and right sides of the second locking plate (11), and the first baffle (15) and the second baffle (16) are tightly fitted to the first flange (1) and the second flange (3).

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