CN218818838U

CN218818838U - Concrete conveying elbow pipe

Info

Publication number: CN218818838U
Application number: CN202223393692.XU
Authority: CN
Inventors: 秦建军; 乔夏林; 聂溪
Original assignee: Hunan Tops New Materials Co ltd
Current assignee: Hunan Tops New Materials Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-07
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of pipeline, especially, concrete conveying return bend, the return bend to current ordinary individual layer pipe wall is shorter than straight tube life, and the return bend needs frequent change, and during the change of return bend, fixed inconvenient problem now proposes following scheme, and it includes the main part, the bend of main part includes inboard and outside, the outside bend and the bending connection department in the outside are equipped with the outer lane, outer lane and main part transition department are equipped with fixed subassembly, fixed subassembly include with main part outside fixed connection's third ring, third ring outside threaded connection has first ring, outer lane and main part outside boundary department are equipped with sealed the pad. When the utility model is implemented, the elbow can continue to work when the outer side of the inner ring of the elbow is damaged, thereby prolonging the service life; when the bent pipe is replaced, the studs are different in length, and the bent pipe and the straight pipe are connected through guiding, so that the replacement is quick.

Description

Concrete conveying elbow pipe

Technical Field

The utility model relates to a pipeline technical field especially relates to a concrete conveying return bend.

Background

In building construction, it is common to transfer flowing concrete from a delivery pump to a casting site where a pipe is required, the pipe comprising straight and curved sections, and the pipe is worn away, particularly at the curved outer sections of the pipe, due to the scrubbing action of the rapidly flowing concrete against the inner walls of the pipe. In the prior art, the method has the defects that,

1. the service life of the common bent pipe with the single-layer pipe wall is shorter than that of the straight pipe, and the bent pipe needs to be replaced frequently;

2. when the bent pipe is replaced, the joint of the bent pipe and the straight pipe is inconvenient to fix.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the bent pipe with the common single-layer pipe wall in the prior art is shorter than the service life of the straight pipe, the bent pipe needs to be frequently replaced, and when the bent pipe is replaced, the bent pipe and the joint of the straight pipe are fixed to avoid inconvenience, and the concrete conveying bent pipe is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a concrete feeding return bend, includes the main part, the bend of main part includes inboard and the outside, the outside of main part is equipped with the outer lane, the outer lane is the semi-ring shape, the outer lane is equipped with fixed subassembly with main part transition department, the first flange of all fixedly connected with in main part both ends, first flange one side is established with coupling assembling, first flange passes through coupling assembling fixedly connected with second flange, second flange fixedly connected with straight tube, open one side of second flange has four through-holes.

Preferably, the fixed subassembly includes the third ring with main part outside fixed connection, third ring outside threaded connection has first ring, the both ends outside of outer lane is equipped with first inclined plane, outer lane and main part outside boundary department are equipped with sealed the pad.

Preferably, the first inclined plane is connected with a first circular ring in a sliding mode, one side of the first circular ring is connected with a second circular ring in a sliding mode, the second circular ring is provided with a second inclined plane, the angle of the second inclined plane is consistent with that of the first inclined plane, and rectangular grooves are uniformly distributed in the outer side of the first circular ring.

Preferably, one side of the first flange is provided with an annular groove, and one side of the first flange is provided with an annular groove in which a sealing ring is arranged.

Preferably, the connecting assembly includes a first stud, a second stud and a third stud fixedly connected to one side of the first flange, the first stud is longer than the second stud, and the second stud is longer than the third stud.

Preferably, the first stud, the second stud and the third stud are in threaded connection with nuts, and the first stud, the second stud and the third stud are fixedly connected with the second flange through the nuts.

The utility model discloses in, a concrete feeding return bend's beneficial effect is: when the outer ring is fixedly installed, the first circular ring is rotated clockwise, so that the first inclined surface and the second inclined surface are tightly attached together, and the outer ring is firmly fixed on the outer side of the main body; when the first flange and the straight pipe are fixedly connected, a sealing ring is placed in an annular groove formed in one side of the first flange, the first stud, the second stud and the third stud are sleeved in a through hole of the second flange in sequence, and the second flange, the first stud, the second stud and the third stud are fixed together by four nuts. When the utility model is implemented, the water-saving device,

1. when the outer side of the bending part of the bent pipe main body is damaged, the outer ring wraps the outer side of the bending part of the bent pipe main body, the whole bent pipe can continue to work, and when the outer ring is damaged, only the outer ring needs to be replaced, so that the service life of the whole bent pipe is prolonged;

2. when the bent pipe is replaced, the studs are different in length, and the bent pipe and the straight pipe are guided when being connected, so that the bent pipe is replaced quickly.

Drawings

Fig. 1 is a schematic front view of a concrete conveying elbow pipe according to the present invention;

fig. 2 is a schematic structural view of a straight pipe of a concrete conveying bent pipe provided with the present invention;

fig. 3 is a schematic cross-sectional structural view of a fixing assembly of a concrete conveying elbow pipe according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a part a of a concrete conveying elbow pipe provided by the present invention.

In the figure: 1. a main body; 101. an inner side; 102. an outer side; 2. a first flange; 3. an outer ring; 301. a first inclined plane; 4. a first circular ring; 401. a rectangular groove; 5. a second circular ring; 501. a second inclined plane; 6. a third circular ring; 7. a first stud; 8. a second stud; 9. a third stud; 10. a second flange; 11. a straight pipe; 12. a nut; 13. and (5) sealing rings.

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.

Example one

Referring to fig. 1-4, a concrete feeding return bend, including main part 1, the bend of main part 1 includes inboard 101 and outside 102, the outside bend and the bending connection department of outside 102 are equipped with outer lane 3, and outer lane 3 is equipped with fixed subassembly with 1 transition department of main part, and 1 both ends of main part are first flange 2 of all fixedly connected with, and 2 one sides of first flange are established with coupling assembling, and first flange 2 passes through coupling assembling fixedly connected with

second flange

10, and 10 fixedly connected with straight tubes 11 of second flange, and open one side of second flange 10 has four through-holes.

Example two

The improvement on the basis of the first embodiment: referring to fig. 1, a concrete conveying elbow comprises a main body 1, a bending part of the main body 1 comprises an inner side 101 and an outer side 102, an outer ring 3 is arranged at the outer side 102, the outer ring 3 is semi-annular, a fixing component is arranged at a transition part of the outer ring 3 and the main body 1, referring to fig. 3, the fixing component comprises a third circular ring 6 fixedly connected with the outer side of the main body 1, the outer side of the third circular ring 6 is in threaded connection with a first circular ring 4, the outer sides of two ends of the outer ring 3 are provided with first inclined planes 301, a sealing gasket is arranged at a boundary part between the outer ring 3 and the outer side of the main body 1, the first inclined planes 301 are in sliding connection with the first circular ring 4, one side of the first circular ring 4 is in sliding connection with a second circular ring 5, the second circular ring 5 is provided with second inclined planes 501, the second inclined planes 501 have the same angle with the first inclined planes 301, referring to fig. 4, rectangular grooves 401 uniformly distributed at the outer side of the first circular ring 4 are formed, when the outer side of the outer ring 3 is fixedly installed, referring to fig. 3, the first circular ring 4 is rotated clockwise, the first circular ring 4 pushes the second circular ring 5, so that the first inclined planes 301 and the second inclined planes are tightly combined together, the outer side of the main body 1 is firmly, the outer side of the main body 1, and the main body 102, and the elbow can continuously;

the utility model provides a main part 1 both ends are first flange 2 of all fixedly connected with, open one side of first flange 2 has the ring channel in be equipped with sealing washer 13, establish and coupling assembling on one side of first flange 2, refer to fig. 2, first flange 2 is through coupling assembling fixedly connected with second flange 10, open one side of second flange 10 has four through-holes, coupling assembling includes first double-screw bolt 7 of fixed connection in first flange 2 one side, second double-screw bolt 8 and third double-screw bolt 9, first double-screw bolt 7 is long in second double-screw bolt 8, second double-screw bolt 8 is long in third double-screw bolt 9, different in size, the assembly of being convenient for, first double-screw bolt 7, second double-screw bolt 8 and third double-screw bolt 9 threaded connection have nut 12, first double-screw bolt 7, second double-screw bolt 8 and third double-screw bolt 9 pass through nut 12 and second flange 10 fixed connection.

The utility model discloses a theory of operation is: when the outer ring 3 is fixedly installed, as shown in fig. 3, the first circular ring 4 is rotated clockwise, and the first circular ring 4 pushes the second circular ring 5, so that the first inclined surface 301 and the second inclined surface 501 are tightly attached together, and the outer ring 3 is firmly fixed on the outer side of the elbow pipe main body 1; when the outer side 102 of the elbow main body 1 is damaged, the whole elbow can continue to work, and when the first flange 2 and the straight pipe 11 are fixedly connected, as shown in fig. 2, a sealing ring 13 is placed in an annular groove formed in one side of the first flange 2, a through hole of a second flange 10 is sleeved into a first stud 7, a second stud 8 and a third stud 9 in sequence, and the second flange 10 is fixed with the first stud 7, the second stud 8 and the third stud 9 by four nuts 12.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a concrete feeding return bend, includes main part (1), its characterized in that, the bend of main part (1) includes inboard (101) and outside (102), the outside bend and the bending connection department of outside (102) are equipped with outer lane (3), outer lane (3) are the semicircular, outer lane (3) are equipped with fixed subassembly with main part (1) transition department, main part (1) both ends are first flange (2) of fixedly connected with, first flange (2) one side is established with coupling assembling, first flange (2) are through coupling assembling fixedly connected with second flange (10), second flange (10) fixedly connected with straight tube (11), open one side of second flange (10) has four through-holes.

2. The concrete conveying elbow pipe according to claim 1, wherein the fixing component comprises a third circular ring (6) fixedly connected with the outer side of the main body (1), the outer side of the third circular ring (6) is in threaded connection with a first circular ring (4), the outer sides of two ends of the outer ring (3) are provided with first inclined planes (301), and a sealing gasket is arranged at the boundary between the outer side of the outer ring (3) and the outer side of the main body (1).

3. The concrete conveying elbow according to claim 2, wherein the first inclined surface (301) is slidably connected with a first circular ring (4), one side of the first circular ring (4) is slidably connected with a second circular ring (5), the second circular ring (5) is provided with a second inclined surface (501), the angle of the second inclined surface (501) is consistent with that of the first inclined surface (301), and uniformly distributed rectangular grooves (401) are formed in the outer side of the first circular ring (4).

4. The concrete transfer elbow according to claim 1, wherein the first flange (2) is provided with an annular groove on one side thereof, and the annular groove provided on one side of the first flange (2) is provided with a sealing ring (13).

5. A concrete conveying elbow according to claim 1, characterised in that the connection assembly comprises a first stud (7), a second stud (8) and a third stud (9) fixedly connected to one side of the first flange (2), the first stud (7) being longer than the second stud (8) and the second stud (8) being longer than the third stud (9).

6. The concrete conveying elbow according to claim 5, characterized in that nuts (12) are connected to the first stud (7), the second stud (8) and the third stud (9) in a threaded manner, and the first stud (7), the second stud (8) and the third stud (9) are fixedly connected with the second flange (10) through the nuts (12).