CN214037240U

CN214037240U - Reducing adjusting pipe for connecting PCCP (prestressed concrete cylinder pipe) pipe and tee joint for constructional engineering

Info

Publication number: CN214037240U
Application number: CN202023017426.8U
Authority: CN
Inventors: 黄湘宾
Original assignee: Changsha Hengxin Construction And Installation Co ltd
Current assignee: Changsha Hengxin Construction And Installation Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-24
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a reducing control pipe technical field, specifically speaking relates to a reducing control pipe that PCCP pipe and tee bend that is used for building engineering are connected, including the reducing pipe of two symmetries, the ring channel has been seted up at reducing pipe big port department, sets up a plurality of screw hole on the reducing pipe circumference outer wall, is equipped with fixing bolt in the screw hole, and still is equipped with the rubber arc board on the fixing bolt end, is equipped with the butterfly valve between two reducing pipes, and the butterfly valve both ends all are equipped with the connecting pipe, overlaps on the connecting pipe circumference outer wall and is equipped with the tighrening ring; this a reducing governing pipe that is used for building engineering's PCCP pipe and tee junction, all set a plurality of fixing bolt and rubber arc board in the annular groove on two reducing pipes, external PCCP pipe, the one end of steel pipe or tee junction pipe is pegged graft in the annular groove, make the pipeline of the inseparable centre gripping fixed grafting of rubber arc board through rotating fixing bolt, and be equipped with the rubber packing ring bottom the annular groove, increase the leakproofness, the butterfly valve cooperates with the connecting pipe, be convenient for connect the reducing pipe at both ends.

Description

Reducing adjusting pipe for connecting PCCP (prestressed concrete cylinder pipe) pipe and tee joint for constructional engineering

Technical Field

The utility model relates to a reducing governing pipe technical field specifically is a reducing governing pipe that is used for building engineering's PCCP pipe and tee junction to be connected.

Background

The reducer pipe is a pipeline formed by serially connecting pipe sections with different diameters in sequence; the PCCP pipe is widely applied to the building engineering industry, when a general reducing adjusting pipe is fixedly connected, the reducing adjusting pipe is not firm and is easy to separate, the connection sealing performance is poor, leakage is easy, after the reducing adjusting pipe is fixedly connected, the PCCP pipe is connected with a tee joint and needs to be replaced, the change and the use are inconvenient, a main valve needs to be closed, and the change can be carried out, so that time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reducing governing pipe that is used for building engineering's PCCP pipe and tee junction to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the reducing regulating pipe for connecting PCCP pipe and tee joint in building engineering includes two symmetrical reducing pipes, the inside of the reducing pipe is in a hollow conical shape, the big end part of the reducing pipe is provided with an annular groove, the circumferential outer wall of the reducing pipe is provided with a plurality of threaded holes, the threaded holes are internally provided with fixing bolts, the end parts of the fixing bolts extend into the annular groove, and the tail end of the fixing bolt is also provided with a rubber arc plate, the small port of the reducer pipe is provided with a convex column, the convex column is communicated with the reducing pipes, the outer wall of the circumference of the convex column is provided with external threads, a butterfly valve is arranged between the two reducing pipes, the butterfly valve both ends all are equipped with the connecting pipe, be equipped with the spacing ring on the tip of connecting pipe, the cover is equipped with the tighrening ring on the connecting pipe circumference outer wall, the tighrening ring serves and has seted up the through-hole, the internal thread has been seted up on the tighrening ring inner wall.

Preferably, the fixing bolt is rotatably connected with the rubber arc plate through a bearing, an inner ring of the bearing is fixedly welded with the fixing bolt, an outer ring of the bearing is fixedly bonded with the rubber arc plate, and the thickness of the rubber arc plate is smaller than the width of the annular groove.

Preferably, the inner diameter of the threaded hole is matched with the diameter of the fixing bolt, the fixing bolt is in threaded connection with the threaded hole, and the threaded holes are distributed at equal intervals.

Preferably, two the connecting pipe all is the integrated into one piece structure with the butterfly valve, the spacing ring is the integrated into one piece structure with the connecting pipe, the diameter of through-hole and the external diameter looks adaptation of connecting pipe.

Preferably, the convex column and the reducer pipe are of an integrally formed structure, the diameter of the convex column is matched with the inner diameter of the fastening ring, and the fastening ring and the convex column are in threaded connection through external threads and internal threads.

Preferably, the end part of the limiting ring is further provided with a rubber pad, the diameter of the limiting ring is matched with the inner diameter of the fastening ring, and the rubber pad is fixedly bonded with the limiting ring.

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

1. the utility model discloses a plurality of fixing bolt and rubber arc board have all been set in the annular groove on two reducing pipes, external PCCP pipe, the one end of steel pipe or tee junction pipe is pegged graft in the ring channel, make the pipeline of the inseparable centre gripping of rubber arc board fixed grafting through rotating fixing bolt, and be equipped with the rubber packing ring bottom the ring channel, increase the leakproofness, butterfly valve and connecting pipe cooperation, the reducing pipe at both ends is convenient for connect, help connecting two pipelines, the butterfly valve is closed or open, the opening or the total valve waste time of closure of avoiding.

2. The utility model discloses the tighrening ring is established to the cover on the connecting pipe, and the tighrening ring carries out inseparable threaded connection with the projection through external screw thread and internal thread, and the spacing ring prevents that the tighrening ring from breaking away from, and it is fixed to influence the connection to the reducing pipe, and cooperates the rubber pad on the spacing ring, increases connection port's leakproofness.

Drawings

FIG. 1 is a schematic view of the overall structure of the reducing adjusting pipe of the utility model, which is used for connecting the PCCP pipe of the building engineering with the tee;

FIG. 2 is an exploded view of the PCCP for construction engineering of the present invention showing a reducing adjusting pipe connected to a tee;

FIG. 3 is a schematic view of the structure of the connecting pipe and the butterfly valve assembly of the present invention;

fig. 4 is a schematic structural view of the reducer pipe of the present invention.

The various reference numbers in the figures mean:

1. a reducer pipe; 10. an annular groove; 11. a convex column; 110. an external thread; 12. a threaded hole;

2. fixing the bolt; 20. a rubber arc plate; 21. a bearing;

3. a butterfly valve;

4. a connecting pipe; 40. a limiting ring;

5. a fastening ring; 50. a through hole; 51. an internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a reducing adjusting pipe for connecting a PCCP (prestressed concrete cylinder pipe) pipe and a tee joint for constructional engineering comprises two symmetrical reducing pipes 1, wherein the inside of each reducing pipe 1 is in a hollow conical shape, an annular groove 10 is formed in the large-end opening of each reducing pipe 1, a plurality of threaded holes 12 are formed in the circumferential outer wall of each reducing pipe 1, a fixing bolt 2 is arranged in each threaded hole 12, the end part of each fixing bolt 2 extends into each annular groove 10, and still be equipped with rubber arc plate 20 on 2 ends of fixing bolt, 1 little port department of reducing pipe is equipped with projection 11, projection 11 communicates with reducing pipe 1 each other, external screw thread 110 has been seted up on 11 circumference outer walls of projection, be equipped with butterfly valve 3 between two reducing pipes 1, 3 both ends of butterfly valve all are equipped with connecting pipe 4, be equipped with spacing ring 40 on the tip of connecting pipe 4, the cover is equipped with tighrening ring 5 on 4 circumference outer walls of connecting pipe, tighrening ring 5 serves and has seted up through-hole 50, the internal thread 51 has been seted up on the 5 inner walls of tighrening ring.

In this embodiment, fixing bolt 2 rotates with rubber arc board 20 through bearing 21 to be connected, bearing 21's inner circle and fixing bolt 2 welded fastening, bearing 21's outer lane and rubber arc board 20 bond fixedly, rubber arc board 20's thickness is less than the width of ring channel 10, bearing 21 sets up, let fixing bolt 2 rotate more in a flexible way, and can not influence rubber arc board 20 centre gripping fixedly, convenient to use person manual operation, ring channel 10 bottom still is equipped with the rubber packing ring, increase the leakproofness of grafting pipeline.

Furthermore, the inner diameter of the threaded hole 12 is matched with the diameter of the fixing bolt 2, the fixing bolt 2 is in threaded connection with the threaded hole 12, the threaded holes 12 are distributed at equal intervals, and at least four groups of threaded holes 12 are convenient for tightly fixing the pipelines inserted into the annular groove 10 and prevent separation, so that connection and use are influenced.

Specifically, two connecting pipes 4 all are the integrated into one piece structure with butterfly valve 3, and spacing ring 40 is the integrated into one piece structure with connecting pipe 4, and the diameter of through-hole 50 and the external diameter looks adaptation of connecting pipe 4 increase holistic stability.

It should be noted that the convex column 11 and the reducer pipe 1 are of an integrally formed structure, the diameter of the convex column 11 is matched with the inner diameter of the fastening ring 5, the fastening ring 5 and the convex column 11 are in threaded connection with the internal thread 51 through the external thread 110, the reducer pipe 1 is communicated with the connecting pipe 4 through the fastening ring 5, and different reducer pipes 1 can be conveniently replaced to connect pipelines with different sizes and calibers.

In addition, the end of the limiting ring 40 is provided with a rubber pad, the diameter of the limiting ring 40 is matched with the inner diameter of the fastening ring 5, the rubber pad is fixedly bonded with the limiting ring 40, and the sealing performance of the interface end is improved by matching the limiting ring 40 with the rubber pad.

The reducing control pipe that is used for building engineering's PCCP pipe and tee junction of this embodiment is when using, the manual port with the PCCP pipe of user is pegged graft the cooperation with ring channel 10, then the manual fixing bolt 2 that rotates of user, let rubber arc board 20 closely laminate with PCCP outer wall, the pipeline of closely fixed grafting of being convenient for, reducing pipe 1 is in other with aperture steel pipe or tee bend through butterfly valve 3 and connecting pipe 4 intercommunication, tighrening ring 5 slides on connecting pipe 4, manual rotation tighrening ring 5 and 11 threaded connection of projection, convenient to detach installs, when butterfly valve 4 is closed, be convenient for break off tighrening ring 5 and 11 connections of projection, conveniently carry out the change use that corresponds, when butterfly valve 4 was opened, the pipeline at both ends communicates each other.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A reducing governing pipe for building engineering's PCCP pipe and tee junction, including reducing pipe (1) of two symmetries, its characterized in that: the inside hollow circular cone that is of reducing pipe (1), ring channel (10) have been seted up to reducing pipe (1) big port department, set up a plurality of screw hole (12) on reducing pipe (1) circumference outer wall, be equipped with fixing bolt (2) in screw hole (12), fixing bolt (2) tip extends to in ring channel (10), just still be equipped with rubber arc board (20) on fixing bolt (2) end, reducing pipe (1) little port department is equipped with projection (11), projection (11) and reducing pipe (1) communicate each other, external screw thread (110) have been seted up on projection (11) circumference outer wall, two be equipped with butterfly valve (3) between reducing pipe (1), butterfly valve (3) both ends all are equipped with connecting pipe (4), be equipped with spacing ring (40) on the tip of connecting pipe (4), the cover is equipped with fastening ring (5) on connecting pipe (4) circumference outer wall, one end of the fastening ring (5) is provided with a through hole (50), and the inner wall of the fastening ring (5) is provided with an internal thread (51).

2. The reducing adjusting pipe for connecting the PCCP pipe and the tee joint in the constructional engineering as claimed in claim 1, wherein: the fixing bolt (2) is rotatably connected with the rubber arc plate (20) through a bearing (21), an inner ring of the bearing (21) is fixedly welded with the fixing bolt (2), an outer ring of the bearing (21) is fixedly bonded with the rubber arc plate (20), and the thickness of the rubber arc plate (20) is smaller than the width of the annular groove (10).

3. The reducing adjusting pipe for connecting the PCCP pipe and the tee joint in the constructional engineering as claimed in claim 1, wherein: the inner diameter of the threaded hole (12) is matched with the diameter of the fixing bolt (2), the fixing bolt (2) is in threaded connection with the threaded hole (12), and the threaded hole (12) is distributed at equal intervals.

4. The reducing adjusting pipe for connecting the PCCP pipe and the tee joint in the constructional engineering as claimed in claim 1, wherein: two connecting pipe (4) all are the integrated into one piece structure with butterfly valve (3), spacing ring (40) are the integrated into one piece structure with connecting pipe (4), the diameter of through-hole (50) and the external diameter looks adaptation of connecting pipe (4).

5. The reducing adjusting pipe for connecting the PCCP pipe and the tee joint in the constructional engineering as claimed in claim 1, wherein: the variable-diameter pipe is characterized in that the convex column (11) and the variable-diameter pipe (1) are of an integrally formed structure, the diameter of the convex column (11) is matched with the inner diameter of the fastening ring (5), and the fastening ring (5) is in threaded connection with the convex column (11) through an external thread (110) and an internal thread (51).

6. The reducing adjusting pipe for connecting the PCCP pipe and the tee joint in the constructional engineering as claimed in claim 1, wherein: the end part of the limiting ring (40) is also provided with a rubber pad, the diameter of the limiting ring (40) is matched with the inner diameter of the fastening ring (5), and the rubber pad is fixedly bonded with the limiting ring (40).