CN220354611U - Flange expansion port fixer - Google Patents

Abstract

The utility model discloses a flange expansion port fixer, which comprises at least two groups of expansion port pieces, wherein each expansion port piece comprises a spiral adjusting sleeve rod, a first supporting rod and a second supporting rod are arranged on the inner surface of each spiral adjusting sleeve rod in a threaded manner, a first external thread is arranged on the outer surface of each first supporting rod, and a second external thread is arranged on the outer surface of each second supporting rod; compared with the prior art, the wedge on the expanding opening part is inserted between the two ends of the valve to be replaced and the upper flange and the lower flange respectively, and then the upward movement of the first support rod and the downward movement of the second support rod can be realized only by rotating the spiral adjusting sleeve rod, so that the length of the expanding opening part is increased, the expansion and the support of the mounting position of the valve are realized, the old valve can be conveniently taken down by people and the new valve can be conveniently mounted, the structure is simple, the operation is safe and reliable, the maintenance cost and the maintenance time are reduced, and the working efficiency of staff is improved.

Description

Flange expansion port fixer

Technical Field

The utility model relates to the technical field of valve installation tools, in particular to a flange expansion port fixer.

Background

At present, flange valves in our factory are not tightly closed or damaged and are immediately replaced, in the replacing process, because equipment and pipelines are prefabricated, the heights and the widths of the equipment and the pipelines are relatively fixed, the gaps are very small, the hydraulic opening device cannot be used, and the gaps between the flanges are very narrow due to gravity of the valves, so that the flange valves can be taken out and installed with great force in the replacing process, and the flange valves can be taken out from the flanges only by prying with a pry bar or by wedging with an oblique iron. When the flange valve is installed, the flange gap is reduced due to the gravity of equipment, and the flange valve can be installed only by adopting a large hammer to strike and a crow bar to pry. Thus personnel become very laborious in changing the valve and mishandling in the presence of a safety flap may also damage the equipment. Therefore, the utility model provides a flange expansion port fixer.

Disclosure of Invention

The utility model aims to provide a flange expansion opening fixer, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flange mouth-expanding fixer, includes two sets of mouthpieces that expand at least, every mouthpieces that expand all includes the screw adjustment loop bar, first bracing piece and second bracing piece are installed to screw adjustment loop bar's internal surface screw thread, the surface of first bracing piece is equipped with first external screw thread, the surface of second bracing piece is equipped with the second external screw thread, and the screw thread opposite direction of first external screw thread and second external screw thread, screw adjustment loop bar internal surface is equipped with the internal screw thread, and the internal screw thread include with the first internal screw thread of first external screw thread looks adaptation and with the second internal screw thread of second external screw thread looks adaptation, the equal fixedly connected with wedge of one end of screw adjustment loop bar is kept away from to first bracing piece, second bracing piece.

As a preferable technical scheme of the utility model, the wedge piece is crescent-shaped.

As a preferable technical scheme of the utility model, the cross section of the wedge piece is of a conical structure, and one end of the wedge piece, which is far away from the expanding mouth piece, is a sharp end.

As a preferable technical scheme of the utility model, the outer surface of the spiral adjusting sleeve rod is fixedly connected with an adjusting knob.

As a preferable technical scheme of the utility model, the adjusting knob is of an annular structure, the inner ring of the adjusting knob is of a round shape, and the outer ring of the adjusting knob is of a regular hexagon structure.

As a preferable technical scheme of the utility model, the expanding opening piece and the wedge piece are made of carbon structural steel.

As a preferable technical scheme of the utility model, the wedge piece is vertically arranged with the first support rod and the second support rod.

As a preferable technical scheme of the utility model, the wedge piece is fixedly connected with the expansion part through the connecting piece.

As a preferable technical scheme of the utility model, the connecting piece comprises a pressing piece and a screw, and screw holes matched with the screw are formed in both ends of the expansion piece and in the wedge piece.

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

according to the flange expansion port fixer, the wedge pieces on the expansion port piece are respectively inserted between the two ends of the valve to be replaced and the upper flange and the lower flange, and then the upward movement of the first support rod and the downward movement of the second support rod can be realized only by rotating the spiral adjusting sleeve rod, so that the length of the expansion port piece is increased, the expansion and the support of the mounting position of the valve are realized, the old valve can be conveniently taken down by people and the new valve can be conveniently mounted, the structure is simple, the safety and the reliability are realized, the operation is convenient, the maintenance cost and the maintenance time are reduced, and the working efficiency of staff is improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a wedge structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the adjusting knob of the present utility model;

in the figure: 1. an expansion piece; 2. a screw adjusting sleeve rod; 3. a first support bar; 4. a second support bar; 5. a first external thread; 6. a second external thread; 7. an internal thread; 8. wedge piece; 9. an adjustment knob; 10. a connecting sheet; 11. a flange; 12. and (3) a valve.

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.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, in this embodiment, there is provided a flange expansion joint fixer, including at least two sets of expansion joint pieces 1, each expansion joint piece 1 includes a screw adjusting sleeve 2, a first support rod 3 and a second support rod 4 are mounted on the inner surface of the screw adjusting sleeve 2, a first external thread 5 is provided on the outer surface of the first support rod 3, a second external thread 6 is provided on the outer surface of the second support rod 4, the thread directions of the first external thread 5 and the second external thread 6 are opposite, an internal thread 7 is provided on the inner surface of the screw adjusting sleeve 2, the internal thread includes a first internal thread adapted to the first external thread 5 and a second internal thread adapted to the second external thread 6, and wedge pieces 8 are fixedly connected to one ends of the first support rod 3 and the second support rod 4 far away from the screw adjusting sleeve 2; the wedge piece 8 is crescent; the cross section of the wedge piece 8 is of a conical structure, and one end of the wedge piece 8 far away from the expansion piece 1 is a sharp end; the outer surface of the spiral adjusting sleeve rod 2 is fixedly connected with an adjusting knob 9; before replacing the flange valve 12, the screws of the flanges 11 on the two sides, which are connected with the valve 12, are firstly removed, the two expansion port pieces 1 are symmetrically arranged at the loosened flange 11 left and right, then the spiral adjusting sleeve rod 2 is rotated, the upward movement of the first supporting rod 3 and the downward movement of the second supporting rod 4 can be realized, the length of the expansion port pieces 1 is further increased, the flanges 11 and the valve 12 are separated, and the valve 12 can be smoothly taken out. Because the flange expansion port fixer exists, the gap of the flange 11 is not changed after the valve 12 is taken out, a flange gasket can be cleaned, a new valve can be inserted and a new flange gasket can be replaced at the moment, the spiral adjusting sleeve rod 2 is rotated after the new valve is installed, the flange 11 is supported and taken out after being reset, the adjusting knob 9 is in an annular structure, the inner ring of the adjusting knob 9 is in a circular shape, and the outer ring of the adjusting knob 9 is in a regular hexagon structure, so that the clamping of the adjustable spanner can be facilitated; the expanding piece 1 and the wedge piece 8 are made of carbon structural steel, so that the manufacturing cost is low, and the production is easy; the wedge piece 8 is vertically arranged with the first support rod 3 and the second support rod 4; the wedge piece 8 is fixedly connected with the expansion piece 1 through a connecting sheet 10; the connecting piece 10 comprises a pressing piece and a screw, screw holes matched with the screw are formed in both ends of the expansion piece 1 and the wedge pieces 8, so that the expansion piece 1 and the wedge pieces 8 are conveniently separated, disassembled and replaced; the flange valve replacing flange expansion port fixer has the advantages of simple structure, safety, reliability, convenient operation, reduced maintenance cost and maintenance time, improved working efficiency of staff, improved economic benefit of factories, reasonable design of the operating principle of the flange valve 12 replacing flange expansion port fixer, and suitability for the operation of replacing the flange valve 12 in the equipment maintenance process; the flange expansion port fixer has the advantages of low cost, simple and convenient operation, working time saving, safety coefficient improvement, wide applicability and great application prospect.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a flange mouth-expanding fixer, its characterized in that includes two at least groups mouth-expanding piece (1), every mouth-expanding piece (1) all includes spiral regulation loop bar (2), first bracing piece (3) and second bracing piece (4) are installed to the internal surface screw thread of spiral regulation loop bar (2), the surface of first bracing piece (3) is equipped with first external screw thread (5), the surface of second bracing piece (4) is equipped with second external screw thread (6), and the screw thread opposite direction of first external screw thread (5) and second external screw thread (6), spiral regulation loop bar (2) internal surface is equipped with internal screw thread (7), and the internal screw thread include with the first internal screw thread of first external screw thread (5) looks adaptation and with the second internal screw thread of second external screw thread (6) looks adaptation, the equal fixedly connected with wedge (8) of one end that spiral regulation loop bar (2) are kept away from to first bracing piece (3), second bracing piece (4).

2. A flange expansion anchor according to claim 1, characterized in that the wedge (8) is crescent-shaped.

3. Flange bulge holder according to claim 1, characterized in that the cross section of the wedge (8) is of conical configuration and the end of the wedge (8) remote from the bulge (1) is a sharp end.

4. A flange expansion anchor according to claim 1, characterized in that the outer surface of the screw adjusting sleeve (2) is fixedly connected with an adjusting knob (9).

5. The flange expansion anchor according to claim 4, wherein the adjusting knob (9) has a ring-shaped structure, and an inner ring of the adjusting knob (9) has a circular shape and an outer ring thereof has a regular hexagonal structure.

6. Flange expansion anchor according to claim 1, characterized in that the expansion element (1) and the wedge (8) are made of carbon structural steel.

7. The flange expansion anchor according to claim 1, wherein the wedge piece (8) is perpendicular to the first support rod (3) and the second support rod (4).

8. Flange expansion anchor according to claim 1, characterized in that the wedge (8) is fixedly connected to the expansion piece (1) by means of a connecting piece (10).

9. Flange expansion anchor according to claim 8, characterized in that the connecting piece (10) comprises a pressing piece and a screw, and screw holes matched with the screw are formed in both ends of the expansion piece (1) and the wedge piece (8).