CN219866767U - Rotary flange connection structure - Google Patents

Abstract

The utility model discloses a rotary flange connection structure which comprises a rotary flange, and further comprises a rotary ring body, wherein the rotary flange comprises a fixed disk body, a sliding ring is arranged on the circumferential outer surface of the fixed disk body, a sliding groove is formed in the middle of the inner surface of the rotary ring body, the sliding ring is inserted into the sliding groove, one end of the fixed disk body protrudes out of the rotary ring body, and a connection hole is formed in the rotary ring body. The rotary ring body is fixed on the outer part of the disc body, the inner surface of the rotary ring body is provided with the sliding groove, and the sliding ring is arranged on the inner surface of the fixed ring body.

Description

Rotary flange connection structure

Technical Field

The utility model relates to the technical field of flanges, in particular to a rotary flange connecting structure.

Background

For ball valves, the flange on the valve body needs to be abutted with the flange on the pipeline, in the prior art, bolts are generally adopted to pass through connecting holes on two flanges respectively for locking, and when the fixed flange is abutted with the fixed flange, the centering and the abutting are difficult, so the fixed flange is adopted to be abutted with the rotary flange, as in the patent with the application number of 201320337789.0, a portable combustion tube is proposed, wherein 'through a connecting sleeve and a movable flange, when adjacent pipeline segments are connected through the bolts, the movable flange can radially rotate, thereby facilitating the hole abutting'

But be the echelonment between loose flange dish and the spacing outer loop platform and be connected, connect inseparably, easily drop to use also has the problem on ball valve connection: the movable flange plate and the two ends of the limiting outer ring table are in an aligned state, so that the valve body flange and the pipeline flange are better locked, a concave area is needed to be arranged on the pipeline flange, the limiting outer ring table is tightly pressed on the pipeline flange when the movable flange plate and the pipeline flange are locked, the improvement of the pipeline flange is related to the pipeline flange loss, the original pipeline flange is needed to be discarded when the pipeline flange is improved, and the waste phenomenon is generated.

Disclosure of Invention

The utility model aims to provide a rotary flange connection structure, which solves the problems that in the prior art, a movable flange plate is connected with a limiting outer ring table in a stepped manner, the connection is not tight, the movable flange plate is easy to fall off, and the original pipeline flange is discarded to generate waste.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotatory flange connection structure, includes rotatory flange, rotatory flange includes the fixed disk body, still includes the rotatory ring body, the circumference surface of fixed disk body is equipped with the slip ring, the spout has been seted up at the internal surface middle part of rotatory ring body, the slip ring inserts the inside of spout, the one end protrusion of fixed disk body is in rotatory ring body, the connecting hole has been seted up on the rotatory ring body.

Preferably, the circumference surface of the sliding ring is fixedly connected with a limiting part, and the sliding groove is matched with the limiting part.

Preferably, the limiting part is rotationally connected with the rotating ring body in the chute through a bearing.

Preferably, the rotary ring further comprises a ball valve body, wherein an integrated welding part is arranged at one end of the fixed disc body, which is close to the rotary ring body, and the welding part is welded with one end of the ball valve body.

Preferably, the device further comprises a fixing flange, bolts are inserted into the fixing flange and the connecting holes, and nuts are installed at one ends of the bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rotary ring body is arranged outside the fixed disc body, the inner surface of the rotary ring body is provided with the sliding groove, and the inner surface of the fixed disc body is provided with the sliding ring, so that the position of the connecting hole can be adjusted only by rotating the rotary ring, the adjustment is convenient, and the rotary ring body and the sliding ring are not easy to fall off;

2. according to the utility model, one end of the fixed disc body protrudes out of the rotary ring body, so that the protruding part can be tightly pressed on the fixed flange when the fixed disc body and the rotary ring body are locked, the fixed flange and the rotary flange are ensured to be in a sealing state, leakage is avoided, the pipeline flange does not need to be changed into a concave shape, the pipeline flange is prevented from being discarded, and the waste phenomenon is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the installation of the present utility model;

FIG. 2 is a cut-away view of the present utility model;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic view of the position of the chute according to the present utility model.

In the figure: 1. a ball valve body; 2. rotating the flange; 21. a welding part; 22. fixing the tray body; 23. rotating the ring body; 24. a connection hole; 25. a slip ring; 26. a limit part; 27. a bearing; 28. a chute; 3. a bolt; 4. a fixed flange; 5. and (3) a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, in the embodiment of the utility model, a rotary flange connection structure comprises a ball valve body 1, a rotary flange 2 and a fixed flange 4, wherein the rotary flange 2 is installed at one end of the ball valve body 1, and the fixed flange 4 is connected with the rotary flange 2 by bolts;

with continued reference to fig. 1, the rotary flange 2 includes a fixed disc 22, and an integral welding portion 21 is provided at one end of the fixed disc 22 near the rotary ring 23, and the welding portion 21 is welded with one end of the ball valve body 1, so that the rotary flange 2 can be fixed with the ball valve body 1;

as shown in fig. 1, 2 and 4, the rotary ring body 23 is further included, a sliding ring 25 is arranged on the circumferential outer surface of the fixed disk body 22, a sliding groove 28 is formed in the middle of the inner surface of the rotary ring body 23, the sliding ring 25 is inserted into the sliding groove 28, the rotary ring body 23 can be locked with the fixed disk body 22, the rotary ring body 23 can rotate on the fixed disk body 22, a connecting hole 24 is formed in the rotary ring body 23, a bolt 3 is inserted into the fixed flange 4 and the connecting hole 24, a nut 5 is arranged at one end of the bolt 3, the fixed disk body 22 can be locked with the rotary ring body 23 by adopting the bolt 3, one end of the fixed disk body 22 protrudes out of the rotary ring body 23, and the protruding part can be tightly pressed on the fixed flange 4 when the fixed disk body 22 can be locked with the rotary ring body 23, so that a sealing state between the fixed flange 4 and the rotary flange 2 is ensured;

as shown in fig. 2 and 3, the circumferential outer surface of the sliding ring 25 is fixedly connected with a limiting part 26, and a sliding groove 28 is matched with the limiting part 26, so that the sliding ring 25 is further prevented from falling off from the inside of the sliding groove 28;

as shown in fig. 3, in order to reduce wear between the rotating ring body 3 and the stopper 26 when the rotating ring body 23 rotates, the stopper 26 is rotatably connected to the rotating ring body 23 through a bearing in the chute 28.

The working principle and the using flow of the utility model are as follows: when the connecting hole 24 on the rotating ring body 23 is aligned with the hole on the fixed flange 4, the rotating ring body 23 is rotated, the sliding ring 25 and the limiting part 26 rotate in the chute 28, and the limiting part 26 is rotationally connected with the rotating ring body 23 through a bearing in the chute 28, so that abrasion is small, when the rotating disk 23 is rotated, the connecting hole 24 can be aligned with the hole on the fixed flange 4, and after the alignment, the connecting hole is connected with the hole by the bolts 3, and one end of the fixed disk body 22 protrudes out of the rotating ring body 23, so that the protruding part can be tightly pressed on the fixed flange 4 when the fixed disk body 22 and the rotating ring body 23 are locked, the fixed flange 4 and the rotating flange 2 are guaranteed to be in a sealing state, and leakage is avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. Rotary flange connection structure, including rotary flange (2), rotary flange (2) include fixed disk body (22), its characterized in that: still include swivel ring body (23), the circumference surface of fixed disk body (22) is equipped with sliding ring (25), spout (28) have been seted up at the internal surface middle part of swivel ring body (23), inside that sliding ring (25) inserted spout (28), the one end protrusion of fixed disk body (22) is in swivel ring body (23), connecting hole (24) have been seted up on swivel ring body (23).

2. A rotary flange connection according to claim 1, characterized in that: the circumference surface rigid coupling of sliding ring (25) has spacing portion (26), spout (28) and spacing portion (26) adaptation.

3. A rotary flange connection according to claim 2, characterized in that: the limiting part (26) is rotationally connected with the rotating ring body (23) through a bearing in the chute (28).

4. A rotary flange connection according to claim 1, characterized in that: the ball valve further comprises a ball valve body (1), wherein an integrated welding part (21) is arranged at one end, close to the rotating ring body (23), of the fixed disc body (22), and the welding part (21) is welded with one end of the ball valve body (1).

5. The rotary flange connection according to claim 4, wherein: the connecting device further comprises a fixing flange (4), wherein bolts (3) are inserted into the fixing flange (4) and the connecting holes (24), and nuts (5) are arranged at one ends of the bolts (3).