CN219035881U - An anti-off flange - Google Patents

Abstract

The utility model provides an anti-drop type flange plate, which comprises two flange bodies, wherein a plurality of mounting holes are formed in the positions, close to the edges, of the two flange bodies, first bolts are penetrated through inner cavities of the plurality of mounting holes, gaskets are movably sleeved at the positions, close to the left ends, of the outer side edges of the adjacent first bolts, nuts are movably sleeved at the positions, close to the right ends, of the outer side edges of the first bolts, the inner cavities of the adjacent clamping grooves are clamped through sealing rubber rings, so that the sealing effect of equipment is better, simultaneously, clamping limiting is carried out on the outer side edges of the two flange bodies through U-shaped arrangement of a first clamping sleeve and a second clamping sleeve, the connection firmness of the equipment is higher, and meanwhile, after the installation of the adjacent first bolts is finished, the two side mounting plates are installed again, at the moment, the firmness of the equipment is high, and the situation of detachment and leakage cannot occur under the condition of high internal pressure.

Description

An anti-off flange

technical field

The utility model relates to the field of flanges, in particular to an anti-off flange.

Background technique

Flange as the middle piece of pipeline connection is a very common application of pipeline connection. Flange connection is to fix two pipelines, pipe fittings or equipment on a flange plate first, and then add a flange between the two flanges. The upper flange pads are fastened together with bolts to complete the connection.

After being used for a long time, the fasteners on the existing flanges are partially loose and directly fall off. It will affect the normal use of the flange, and serious safety accidents will be caused when the flange is connected to important pipelines when leakage occurs. The material and fixing method of the fasteners on the flange are particularly important.

Therefore, it is necessary to provide an anti-off flange to solve the above technical problems.

Utility model content

The utility model provides a detachment-proof flange, which solves the problem that serious safety accidents will be caused when the flange is connected to an important pipeline.

In order to solve the above technical problems, the utility model provides an anti-off flange, which includes two flange bodies, and several mounting holes are opened near the edges of the two flange bodies, and several of the The inner cavity of the mounting hole is penetrated with a first bolt, the outer edge of the adjacent first bolt is movably sleeved with a gasket near the left end, and the outer edge of the first bolt is movably sleeved with a nut near the right end, The inner cavities of the two flange bodies are jointly inserted with an inner tube, the top of the inner tube is fixedly connected with a first connecting rod, and the top of the first connecting rod is fixedly connected with a first clamping sleeve. The cross section of the first clamping sleeve is U-shaped, and the outer edges of the two flange bodies are inserted into the U-shaped inner cavity of the adjacent first clamping sleeve, and the two flange bodies The adjacent sides are fixedly connected with fitting blocks, and the adjacent sides of the two flange bodies are provided with card slots near the center, and the inner cavities of the adjacent said card slots are fitted with Sealing rubber ring.

Preferably, the two sealing rubber rings are co-sleeved near the center of the outer edge of the inner tube.

Preferably, the two adjacent sealing rubber rings are attached to a second connecting rod on the side close to each other, and the bottom end of the second connecting rod is fixedly connected to a second locking sleeve.

Preferably, a through hole is opened at the center of the second connecting rod and the center of the first connecting rod, and the adjacent first bolts pass through the inner cavities of the two through holes.

Preferably, side mounting plates are fixedly connected to the front and rear sides of the second clamping sleeve and the first clamping sleeve, and two second bolts are arranged between two adjacent side mounting plates, The two side mounting plates are mutually installed and arranged through second bolts.

Compared with related technologies, the utility model provides an anti-off flange with the following beneficial effects:

The utility model provides an anti-off flange, which is clamped in the inner cavity of the adjacent card slot through the sealing rubber ring, so that the sealing effect of the equipment is better. The U-shaped setting locks and limits the outer edges of the two flange bodies, making the connection of the equipment more firm. At the same time, after the first adjacent bolts are installed, install the two side mounting plates. At this time, the firmness of the equipment is high, and there will be no separation leakage under the condition of high internal pressure.

Description of drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an anti-off flange provided by the present invention;

Fig. 2 is the structural schematic diagram of place A in Fig. 1;

Fig. 3 is a partial front view of the second bolt and the side mounting plate of the present embodiment.

Symbols in the figure: 1. Flange body; 2. Nut; 3. Sealing rubber ring; 4. The first clamping sleeve; 5. Fitting block; 6. The first connecting rod; 7. The first bolt; 8. Pad 9. Inner tube; 10. Side mounting plate; 11. Second bolt; 12. Second clamping sleeve; 13. Second connecting rod.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Please refer to Figure 1, Figure 2 and Figure 3 together, where,

Fig. 1 is the front view of present embodiment;

Figure 2 is an enlarged view of A in Figure 1;

Fig. 3 is a partial front view of the second bolt and the side mounting plate of the present embodiment.

An anti-off flange includes two flange bodies 1, two flange bodies 1 are provided with several mounting holes near the edges, and the inner cavities of the several mounting holes are penetrated by first bolts 7 The outer edge of the adjacent first bolt 7 is movably sleeved with a gasket 8 near the left end, and the outer edge of the first bolt 7 is movably sleeved with a nut 2 near the right end, and the inner cavities of the two flange bodies 1 are inserted together. Connected with an inner tube 9, the top of the inner tube 9 is fixedly connected with a first connecting rod 6, and the top of the first connecting rod 6 is fixedly connected with a first locking sleeve 4, and the cross section of the first locking sleeve 4 is U-shaped. , and the outer edges of the two flange bodies 1 are plugged into the U-shaped inner cavity of the adjacent first clamping sleeve 4, and the adjacent sides of the two flange bodies 1 are fixedly connected with a fitting block 5 , the sides of the two flange bodies 1 that are close to each other are provided with card slots near the center, and the inner cavities of the adjacent card slots are fitted with sealing rubber rings 3, and the two sealing rubber rings 3 are sheathed together Near the center of the outer edge of the inner tube 9, the adjacent two sealing rubber rings 3 are fitted with a second connecting rod 13 toward the close side. The center is provided with a through hole, and the adjacent first bolt 7 runs through the two through hole inner cavities, and the bottom end of the second connecting rod 13 is fixedly connected with a second locking sleeve 12, and the second locking sleeve 12 is connected with the first locking sleeve. The front and rear sides of the clamping sleeve 4 are fixedly connected with side mounting plates 10, and two second bolts 11 are arranged between adjacent two side mounting plates 10, and the two side mounting plates 10 pass through the second bolts 11. mutual installation settings.

The working principle of an anti-off flange provided by the utility model is as follows:

First, the inner tube 9 is plugged into the inner cavities of the two flange bodies 1. At this time, the second clamping sleeve 12 is attached to the bottom of the two flange bodies 1, and the second clamping sleeve 12 is connected to the bottom of the two flange bodies 1 through the first bolt 7. The second clamping sleeve 12 and the first clamping sleeve 4 are installed on the two flange bodies 1. At this time, the sealing rubber ring 3 is clamped in the inner cavity of the adjacent clamping groove, so that the sealing effect of the equipment is better. At the same time, Through the U-shaped setting of the first clamping sleeve 4 and the second clamping sleeve 12, the outer edges of the two flange bodies 1 are clamped and limited, so that the connection of the equipment is more firm, and at the same time, the adjacent After the first bolt 7 is installed, the two side mounting plates 10 are installed. At this time, the firmness of the equipment is high, and there will be no separation leakage under the condition of relatively high internal pressure.

Compared with related technologies, the utility model provides an anti-off flange with the following beneficial effects:

Through the mutual cooperation relationship between the various parts, the sealing rubber ring 3 is clamped in the inner cavity of the adjacent card groove, so that the sealing effect of the equipment is better. At the same time, through the first clamping sleeve 4 and the second clamping sleeve 12 The U-shaped setting locks and limits the outer edges of the two flange bodies 1, making the connection of the equipment more firm. At the same time, after the installation of the adjacent first bolt 7 is completed, the two side mounting plates 10 installation, at this time, the firmness of the equipment is high, and there will be no separation leakage under the condition of high internal pressure.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (5)

1. The utility model provides an anticreep formula ring flange, includes two flange body (1), its characterized in that: two flange body (1) are close to edge and all offered a plurality of mounting hole, and a plurality of the inner chamber of mounting hole has all run through first bolt (7), and is adjacent the outside edge of first bolt (7) is close to left end department movable sleeve and is equipped with gasket (8), the outside edge of first bolt (7) is close to right-hand member department movable sleeve and is equipped with nut (2), two the inner chamber of flange body (1) is pegged graft jointly has inner tube (9), the top fixedly connected with head rod (6) of inner tube (9), the top fixedly connected with first screens cover (4) of head rod (6), the cross section of first screens cover (4) is the U type setting, and two the outside edge of flange body (1) is all pegged graft in the U type setting inner chamber of adjacent first screens cover (4), two the one side that flange body (1) is close to mutually is all fixedly connected with piece (5), two one side that flange body (1) is close to mutually is close to center department all has offered the draw-in groove, and all has seal ring (3) to laminate.

2. An anti-drop flange according to claim 1, characterized in that both sealing rubber rings (3) are co-sleeved on the outer edge of the inner tube (9) close to the centre.

3. The anti-drop type flange plate according to claim 1, wherein two adjacent sealing rubber rings (3) are jointly attached with a second connecting rod (13) towards one side close to the sealing rubber rings, and the bottom end of the second connecting rod (13) is fixedly connected with a second clamping sleeve (12).

4. A drop-proof flange according to claim 3, wherein the center of the second connecting rod (13) and the center of the first connecting rod (6) are provided with through holes, and the adjacent first bolts (7) penetrate through the inner cavities of the two through holes.

5. A drop-proof flange according to claim 3, wherein the second clamping sleeve (12) and the first clamping sleeve (4) are fixedly connected with side plates (10) on both sides, two second bolts (11) are respectively arranged between two adjacent side plates (10), and the two side plates (10) are mutually installed through the second bolts (11).

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