KR20210042435A - Flange structure for sewage pipe with improved bonding force - Google Patents

Abstract

The present invention relates to a flange structure for a sewer pipe with improved bonding strength. More particularly, the flange structure comprises: a first flange portion provided at one end of a first sewer pipe; a second flange portion provided at the other end of a second sewer pipe to correspond to the first flange portion; a sealing portion for sealing between the first flange portion and the second flange portion; and a fastening portion for fastening the first flange portion and the second flange portion. According to the present invention, the first and second flange portions can be firmly and easily coupled to each other, so that the first sewer pipe and the second sewer pipe can be firmly and easily coupled to each other. Therefore, construction time and cost can be reduced, and work efficiency can be improved.

Description

Flange structure for sewage pipe with improved bonding force}

The present invention relates to a flange structure, and more particularly, fixing each flange portion to connect sewer pipes, but it can be firmly fixed to each other by simple operation, thereby reducing construction time and cost, as well as improving work efficiency. It relates to a flange structure for sewer pipes with improved bonding force.

In general, a pipe is formed by connecting a plurality of pipes manufactured to a predetermined length, and a flange or the like is formed at the end of each pipe to be fixed and connected with fixing bolts and nuts.

The joints of these pipes are also welded to add rigidity.

As previously disclosed in Patent Registration No. 10-1045662, a flange having a plurality of coupling holes formed at a joint end of one pipe is coupled by welding, and a flange is also joined to the joint end of the other pipe by welding.

After arranging the flanges in contact with each other, the pipes are interconnected by inserting a bolt into a coupling hole formed in the flange and fastening with a nut.

A packing made of synthetic resin, urethane, leather, etc. is attached between the pair of flanges to be fastened to prevent the liquid or gas flowing through the pipe from leaking through the coupling portion of the flange.

In the case of connecting pipes using such flanges, after welding the flanges to the joint ends of the connected pipes, the coupling holes of both flanges are matched and fastened with bolts and nuts. It is very cumbersome to work with each other.

In particular, as the new pipe has to be moved up, down, left and right to match the flange of the pipe to be installed with the flange of the previously installed pipe, the excavation space must be formed wide to secure the necessary space, resulting in unnecessary work processes and costs. There is a problem.

Accordingly, the present invention was conceived to solve the above problems, and the first flange portion provided at one end of the first sewage pipe, and the other end of the second sewage pipe corresponding to the first flange portion. The first flange portion and the first flange portion including a second flange portion, a sealing portion for sealing between the first flange portion and the second flange portion, and a fastening portion for fastening the first flange portion and the second flange portion. 2 The flange part can be firmly and easily combined, so that the first and second sewer pipes can be firmly and easily combined, reducing construction time and cost, as well as improving the bonding force that can improve work efficiency. It is an object to provide a flange structure for sewer pipes.

The present invention for achieving the above object is a first flange portion provided at one end of the first sewage pipe, a second flange portion provided at the other end of the second sewage pipe so as to correspond to the first flange portion, the first And a sealing portion for sealing between the flange portion and the second flange portion, and a fastening portion for fastening the first flange portion and the second flange portion.

Preferably, the fastening part corresponds to the first fastening hole formed in the first flange part so as to be opened in the direction of the second flange part, the first fastening hole, and is opened in the direction of the first flange part. The second fastening hole is formed inside the second flange part, and has a second fastening hole in which a thread is formed on the inner circumferential surface, has a thread on the outer circumferential surface so as to be fastened to the thread of the second fastening hole, and a thread is formed on the inner circumferential surface, and in the first fastening hole A fastening ring provided to be retractable, a second fastening ring provided with a thread on the outer circumferential surface to correspond to the thread on the inner circumferential surface of the fastening ring, and a second fastening ring provided to be able to be withdrawn from the second fastening hole, and the second fastening by moving the fastening ring And a fastening driving part for inserting the second fastening ring into the first fastening ring while being inserted into the ball.

In addition, the fastening drive unit rotates a fastening drive worm positioned in the first fastening hole so as to engage a thread of the fastening ring, a fastening drive shaft for rotating the fastening drive worm to the first flange, and the fastening drive shaft. And a fastening drive handle for rotating the fastening drive shaft and the fastening drive worm using the fastening drive handle, so that the fastening ring located in the first fastening hole of the first flange part is placed in the second flange part. As it moves to the 2 fastening hole, the thread of the fastening ring is coupled to the thread of the second flange and is fastened.

In addition, coupling means for coupling the first flange portion and the second flange portion, but fitted in a shape corresponding to each other; a flange structure for a sewer pipe further comprising.

And the coupling means, a plurality of coupling protrusions formed in any one of the first flange portion and the second flange portion, and a plurality of the coupling protrusions in the other one of the first flange portion and the second flange portion so as to correspond to the coupling protrusion. It includes a coupling groove, which is formed.

In addition, the coupling protrusion and the coupling groove are formed to be elongated in the vertical direction along the edge of the flange portion in which the coupling portion is formed, and are formed in a plurality of horizontal directions at regular intervals.

And it further includes a vertical flow preventing portion for preventing the first flange portion and the second flange portion from flowing in the vertical direction coupled by the coupling means.

In addition, the vertical flow prevention unit, a first vertical flow prevention unit provided in the first flange portion and the second flange portion located upward based on the connected first and second sewage pipes, and connected And a second vertical flow prevention part provided in the first flange part and the second flange part located downward based on the two pipes.

In addition, each of the vertical flow prevention units includes a vertical insertion hole formed through the combined coupling protrusion and the coupling groove in a horizontal direction, and a vertical insertion piece for fitting into the vertical insertion hole.

In addition, it further includes a fixing member for fixing the first flange portion and the second flange portion fastened by the fastening portion.

And the fixing member includes a plurality of first fixing holes formed at predetermined intervals along the edge of the first flange portion, and a second fixing member formed at predetermined intervals along the edge of the second flange portion so as to correspond to the first fixing holes. A ball, a fixing bolt to be inserted through the first fixing hole and the second fixing hole positioned in a straight line, and the first flange portion and the first flange portion by screwing into the end of the fixing bolt passing through the first fixing hole and the second fixing hole. As the second flange portion is fixed, a fixing nut for maintaining a pressurized state of the combined coupling protrusion and the coupling groove is included.

In addition, a third fixing hole corresponding between the first fixing hole and the second fixing hole is formed in the vertical insertion piece.

In addition, the coupling protrusion is formed to protrude obliquely from the upper end to the lower end, and the coupling groove is formed to correspond to the coupling protrusion.

In addition, the coupling protrusion is formed to be curved from the upper end to the lower end, and the coupling groove is formed to correspond to the coupling protrusion.

As described above, according to the flange structure for a sewer pipe according to the present invention, the first flange portion and the second flange portion can be firmly and easily coupled, so that the first sewer pipe and the second sewer pipe can be rigidly and easily coupled. It is a very useful and effective invention that can reduce construction time and cost, as well as improve work efficiency.

1 is a view showing a flange structure for a sewer pipe according to the present invention,
2 is a view showing a fastening part according to the present invention,
3 is a view showing a state in which the coupling means according to the present invention is further provided,
4 is a view showing another embodiment of the coupling means according to the present invention,
5 is a view showing another embodiment of the coupling means according to the present invention,
6 is a view showing a state in which the vertical flow prevention unit according to the present invention is further provided.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE INVENTION The detailed description to be disclosed below together with the accompanying drawings is intended to describe exemplary embodiments of the present invention and is not intended to represent the only embodiments in which the present invention may be practiced. The following detailed description includes specific details to provide a thorough understanding of the present invention. However, those of ordinary skill in the art to which the present invention pertains knows that the present invention may be practiced without these specific details.

In some cases, in order to avoid obscuring the concept of the present invention, well-known structures and devices may be omitted, or may be illustrated in a block diagram form centering on core functions of each structure and device.

Throughout the specification, when a part is said to "comprising or including" a certain component, it means that other components may be further included rather than excluding other components unless specifically stated to the contrary. do. In addition, the term "... unit" described in the specification means a unit that processes at least one function or operation. In addition, "a or an", "one", "the" and similar related words are different from the present specification in the context of describing the present invention (especially in the context of the following claims). Unless indicated or clearly contradicted by context, it may be used in the sense of including both the singular and the plural.

In describing embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, terms to be described later are terms defined in consideration of functions in an embodiment of the present invention, which may vary according to the intention or custom of users or operators. Therefore, the definition should be made based on the contents throughout the present specification.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a view showing a flange structure for a sewer pipe according to the present invention, FIG. 2 is a view showing a fastening part according to the present invention, and FIG. 3 is a view showing a state in which a coupling means according to the present invention is further provided. , Figure 4 is a view showing another embodiment of the coupling means according to the present invention, Figure 5 is a view showing another embodiment of the coupling means according to the present invention, Figure 6 is a vertical flow prevention according to the present invention It is a view showing a state in which additional parts are further provided.

As shown in the drawing, the flange structure for a sewer pipe with improved coupling force includes a first flange portion 100 and a second flange portion 200, a sealing portion 300, and a fastening portion 400.

The first flange portion 100 is provided at one end of the first sewage pipe 1.

In addition, the second flange portion 200 is provided at the other end of the second sewer pipe 2 so as to correspond to the first flange portion 100.

The sealing part 300 is provided to seal between the first flange part 100 and the second flange part 200.

In addition, the fastening part 400 is provided to fasten the first flange part 100 and the second flange part 200.

As shown in FIG. 2, the fastening part 400 includes a first fastening hole 410 and a second fastening hole 420, a fastening ring 430, a second fastening ring 450, and a fastening driving part 440. Includes.

The first fastening hole 410 is formed inside the first flange portion 100 to open in the direction of the second flange portion 200.

In addition, the second fastening hole 420 corresponds to the first fastening hole 410 and is formed inside the second flange part 200 so as to be opened in the direction of the first flange part 100, and a thread is formed on the inner circumferential surface. .

The fastening ring 430 has a thread on the outer circumferential surface so as to be fastened to the thread of the second fastening hole 420, a thread is formed on the inner circumferential surface, and is provided to be withdrawn from the first fastening hole 410.

In addition, the second fastening ring 450 has a thread on the outer circumferential surface so as to correspond to the thread on the inner circumferential surface of the fastening ring 430 and is provided to be withdrawn from the second fastening hole 420.

The fastening driver 440 moves the fastening ring 430 to insert it into the second fastening hole 420 and inserts the second fastening ring 450 into the first fastening ring 410.

Here, the fastening drive unit 440 includes a fastening drive worm 442, a fastening drive shaft 444, and a fastening drive handle 446.

The fastening drive worm 442 is positioned in the first fastening hole 410 so as to engage with the thread of the fastening ring 430.

In addition, the fastening drive shaft 444 is positioned so that the fastening drive worm 442 is rotatable in the first flange unit 100.

The fastening drive handle 446 is provided to rotate the fastening drive shaft 444.

Looking at the operating state of the fastening part 400, the fastening drive shaft 444 and the fastening drive worm 442 are rotated using the fastening drive handle 446, so that the first fastening hole 410 of the first flange part 100 is rotated. ) To move the fastening ring 430 located in the second fastening hole 420 of the second flange portion 200.

Accordingly, the thread of the fastening ring 430 is coupled to the thread of the second flange portion 200 so that the first flange portion 100 and the second flange portion 200 are fastened.

At the same time, the thread formed on the inner circumferential surface of the fastening ring 430 is engaged with the thread of the second fastening ring 450, so that the second fastening ring 450 is inserted into the first fastening hole 410.

In other words, the fastening ring 430 is rotatably provided in the first fastening hole 410, the second fastening ring 450 is rotatably provided in the second fastening hole 420, and the fastening drive worm 442 ) Is engaged with and rotated in the helical direction, and is coupled to the thread of the second flange portion 200 while being moved to the second fastening hole 420.

In addition, as the threads of the second fastening ring 450 are engaged with the threads of the inner circumferential surface of the fastening ring 430, as the second fastening ring 450 moves to the first fastening hole 410, it can be more firmly coupled. have.

Here, the sealing part 300 includes a first sealing part 310 and a second sealing part 320.

The first sealing part 310 is located inside, based on each of the fastening holes 410 and 420 of the fastening part 400, and the second sealing part 320 is based on each of the fastening holes 410 and 420. , It is located on the outside and is double-sealed.

Here, the flange structure for the sewer pipe further includes a coupling means 500 as shown in FIG. 3.

The coupling means 500 couples the first flange portion 100 and the second flange portion 200 to each other, and are fitted in a shape corresponding to each other.

This coupling means 500 includes a coupling protrusion 510 and a coupling groove 520.

A plurality of coupling protrusions 510 are formed on any one of the first flange portion 100 and the second flange portion 200.

In addition, a plurality of coupling grooves 520 are formed in the other one of the first flange portion 100 and the second flange portion 200 so as to correspond to the coupling protrusion 510.

As such, the coupling protrusion 510 and the coupling groove 520 are formed on the surfaces of the flange portions 100 and 200 on which the coupling portion 400 is formed, are formed to be elongated in the vertical direction, and are formed at regular intervals in the horizontal direction. It is formed in plural.

The coupling protrusion 510 and the coupling groove 520 are formed on the edge of the surface where the first flange portion 100 and the second flange portion 200 are in contact with each other.

When the first flange portion 100 and the second flange portion 200 are coupled, the coupling protrusion 510 and the coupling groove 520 may be temporarily coupled. The first flange portion 100 and the second flange portion 200 are coupled to each other.

Here, after positioning each of the flange portions 100 and 200 such that one of the coupling protrusion 510 and the coupling groove 520 is positioned above the other, it can be temporarily coupled by moving it in a vertical direction to mutually couple. .

Thus, when installing and replacing conventional sewer pipes, the process of excavating larger than the length of the sewer pipe and moving it in the longitudinal direction from a certain height reduces the excavation site by the flange structure for sewer pipes of the present invention, as well as from the upper side to the lower side. It can be moved and combined with each other, saving working time and cost.

In addition, the flange structure for the sewer pipe is provided for fixing the fixing member 530 to fix the first flange 100 and the second flange 200 coupled by the coupling means 300.

The fixing member 530 is composed of a first fixing hole 532 and a second fixing hole 534, a fixing bolt 536, and a fixing nut 538.

A plurality of first fixing holes 532 are formed along the edge of the first flange part 100 at regular intervals, and the second fixing holes 534 correspond to the first fixing holes 532. ) A number of them are formed at regular intervals along the edge.

And the fixing bolt 536 is provided to be inserted through the first fixing hole 532 and the second fixing hole 534 positioned in a straight line.

The fixing nut 538 is screwed to the end of the fixing bolt 536 that has passed through the first fixing hole 532 and the second fixing hole 534 so that the first flange portion 100 and the second flange portion 200 are formed. By fixing the, the combined coupling protrusion 510 and the coupling groove 520 are maintained in a pressed state.

In addition, as shown in FIG. 4, the coupling protrusion 310 is formed to protrude obliquely from the upper end to the lower end, and the coupling groove 320 is formed to correspond to the coupling protrusion 310.

In other words, the coupling protrusion 310 and the coupling groove 320 are formed to be inclined outward or inclined inward from the top to the bottom.

In addition, it is formed to be inclined outward or inclined inward as it goes from the top to the bottom.

And, as shown in FIG. 5, the coupling protrusion 310 is formed to protrude to be curved from the upper end to the lower end, and the coupling groove 320 is formed to correspond to the coupling protrusion 310.

In other words, the coupling protrusion 310 and the coupling groove 320 are formed to be bent outward or bent inward from the top to the bottom.

In addition, as it goes from the top to the bottom, it is formed to be bent outward or bent inward.

In addition, the packing 400 is formed to correspond to the shape of the coupling protrusion 310 and the coupling groove 320 and is positioned between the coupling protrusion 310 and the coupling groove 320.

And the flange structure for the sewer pipe further includes a vertical flow prevention part 600 as shown in FIG. 6.

The vertical flow prevention part 600 prevents the first flange part 100 and the second flange part 200 coupled by the coupling means 500 from flowing in the vertical direction.

The vertical flow prevention part 600 includes a first vertical flow prevention part 610 and a second vertical flow prevention part 620.

The first vertical flow prevention part 610 is a part of the first flange part 100 and the second flange part 200 positioned upward based on the connected first sewage pipe 1 and the second sewage pipe 2 It is equipped with.

In addition, the second vertical flow prevention part 620 is provided in the first flange part 100 and the second flange part 200 located downward based on the two connected pipes 1 and 2.

Each of the vertical flow prevention units 610 and 620 includes vertical insertion holes 612 and 622 and vertical insertion pieces 614 and 624.

The vertical insertion holes 612 and 622 are formed through the combined coupling protrusion 510 and the coupling groove 520 in the horizontal direction.

In addition, the vertical insertion pieces 614 and 624 are provided to fit into the vertical insertion holes 612 and 622.

The vertical insertion holes 612 and 622 are formed through the combined coupling protrusion 310 and the coupling groove 320 in the horizontal direction, and the vertical insertion pieces 614 and 624 are inserted into the vertical insertion holes 612 and 622. Is equipped for.

In addition, in each of the vertical insertion pieces 614 and 624, a third fixing hole 550 corresponding to between the first fixing hole 510 and the second fixing hole 520 is formed.

100: first flange portion 200: second flange portion
300: sealing part 400: fastening part
410: 1st fastening 420: 2nd fastening
430: fastening ring 440: fastening drive
450: second fastening ring
500: coupling means 510: coupling protrusion
520: coupling groove 530: fixing member
600: vertical flow prevention part

Claims (2)

A first flange portion provided at one end of the first sewer pipe;
A second flange portion provided at the other end of the second sewer pipe to correspond to the first flange portion;
A sealing portion for sealing between the first flange portion and the second flange portion;
A fastening part for fastening the first flange part and the second flange part; And
Including; coupling means for coupling the first flange portion and the second flange portion, but fitted in a shape corresponding to each other,
The fastening part,
A first fastening hole formed in the first flange portion so as to be opened toward the second flange portion;
A second fastening hole that corresponds to the first fastening hole and is formed inside the second flange part so as to be opened in a direction of the first flange part, and has a thread formed on an inner circumferential surface thereof;
A fastening ring having a thread on an outer circumferential surface so as to be fastened to a thread of the second fastening hole, a thread formed on the inner circumferential surface, and provided to be retractable from the first fastening hole;
A second fastening ring having a thread on an outer circumferential surface so as to correspond to a thread on the inner circumferential surface of the fastening ring, and provided to be retractable from the second fastening hole; And
A flange structure for sewage pipes having improved coupling force, comprising: a fastening driving part for moving the fastening ring to insert it into the second fastening hole and inserting the second fastening ring into the first fastening ring. The method of claim 1, wherein the fastening driving part,
A fastening drive worm positioned in the first fastening hole so as to engage with the thread of the fastening ring;
A fastening drive shaft for positioning the fastening drive worm to be rotatable in the first flange; And
Including; a fastening drive handle for rotating the fastening drive shaft,
As the fastening drive shaft and the fastening drive worm are rotated using the fastening drive handle to move the fastening ring located in the first fastening hole of the first flange part to the second fastening hole of the second flange part, the fastening ring Flange structure for sewage pipes, characterized in that the thread of the second flange is coupled to the thread of the second flange to be fastened.

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