CN220540569U - Composite wear-resistant concrete conveying elbow - Google Patents

Abstract

The utility model discloses a composite wear-resistant concrete conveying bent pipe, and relates to the technical field of concrete conveying bent pipes; the utility model comprises a bent pipe body and a straight pipe, wherein the bottom end of the bent pipe body is fixedly connected with a first connecting disc, the outer side of the straight pipe is fixedly connected with a second connecting disc, the outer side of the bent pipe body is fixedly connected with a fixed frame, two sides of the fixed frame are rotationally connected with unlocking rods which are symmetrically distributed, and the outer sides of the unlocking rods are rotationally connected with rotating buckles; through the cooperation between spread groove, rotation buckle, second connection pad and the unlocking rod, utilize the unlocking rod and rotate the difference of buckle rotation center pin, the pulling rotates the buckle and removes to one side of unlocking rod, makes the bottom of rotating the buckle and the mutual chucking of second connection pad, accomplishes the connection operation between return bend body and the straight tube, on the contrary, through to the one side rotation unlocking rod who keeps away from the return bend body, releases the restriction to rotating the buckle, conveniently dismantles the return bend body.

Description

Composite wear-resistant concrete conveying elbow

Technical Field

The utility model relates to the technical field of concrete conveying elbows, in particular to a composite wear-resistant concrete conveying elbows.

Background

The medium conveyed by the steel concrete conveying pipeline is concrete, namely mixed fluid of cement, gravel and mortar, and the concrete conveying elbow pipe positioned at the bent section of the steel concrete conveying pipeline has the advantages that the flow velocity of the fluid at the outer side of the elbow pipe is larger than that at the inner side of the elbow pipe, so that the outer side wall of the elbow pipe in the concrete conveying elbow pipe is seriously worn or even rapidly damaged, and the inner side wall of the elbow pipe in the elbow pipe is slightly worn, so that the elbow pipe can be replaced integrally.

However, when the concrete conveying elbow pipe is connected with the straight pipe in the prior art, the concrete conveying elbow pipe is connected in a welding mode, when the elbow pipe is damaged or other conditions affecting the normal use of the elbow pipe are present, the elbow pipe is inconvenient to detach, the assembly efficiency is further reduced, and aiming at the problems, the inventor proposes a composite wear-resistant concrete conveying elbow pipe for solving the problems.

Disclosure of Invention

In order to solve the problem that the connection, disassembly and replacement between the concrete conveying bent pipe and the straight pipe are inconvenient in a welding mode; the utility model aims to provide a composite wear-resistant concrete conveying elbow.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a compound wear-resisting concrete conveying return bend, includes return bend body and straight tube, anticorrosive paint has been scribbled in the outside of return bend body and straight tube, the first connection pad of bottom fixedly connected with of return bend body, the outside fixedly connected with second connection pad of straight tube, the outside fixedly connected with fixed frame of return bend body, the both sides of fixed frame rotate and are connected with the unlocking lever of symmetric distribution, the inboard of unlocking lever sets up the inclined plane, the outside of unlocking lever is all rotated and is connected with the rotation buckle, the logical groove has been seted up to the inboard of rotation buckle, the one end that the rotation buckle was dissociated the locking lever is separated with the bottom surface looks joint of second connection pad.

Preferably, the bottom of the first connecting disc is provided with a connecting groove, and the connecting groove is movably sleeved on the outer side of the second connecting disc.

Preferably, a first annular groove is formed in the top end of the inner wall side of the first connecting disc, a second annular groove corresponding to the first annular groove is formed in the top end of the second connecting disc, and sealing rings are fixedly installed in the first annular groove and the second annular groove.

Preferably, the inner wall of the bent pipe body is fixedly connected with a ceramic layer.

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

1. through the cooperation between the connecting groove, the rotary buckle, the second connecting disc and the unlocking rod, the rotation buckle is pulled to move to one side of the unlocking rod by utilizing the difference of the rotation central shafts of the unlocking rod and the rotary buckle, so that the bottom end of the rotary buckle and the second connecting disc are clamped with each other, the connection operation between the bent pipe body and the straight pipe is completed, otherwise, the restriction on the rotary buckle is released by rotating the unlocking rod to one side far away from the bent pipe body, and the bent pipe body is convenient to detach;

2. through the inside fixed mounting sealing washer at first ring channel and second ring channel, further increase the sealed effect of first connection pad and second connection pad junction to through setting up the ceramic layer at the inner wall of return bend body, utilize the physical property of ceramic layer, improve the wearability and the corrosion resistance of return bend inner wall.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic diagram of a connection structure according to the present utility model.

Fig. 3 is a schematic diagram of a split structure of the present utility model.

Fig. 4 is a cross-sectional view of the present utility model.

Fig. 5 is an enlarged view of the utility model at a in fig. 4.

In the figure: 1. a bent pipe body; 2. a first connection plate; 3. a straight pipe; 4. a second connection pad; 5. a fixed frame; 6. unlocking the rod; 7. the rotary buckle; 8. a through groove; 9. a connecting groove; 10. a first annular groove; 11. a second annular groove; 12. a seal ring; 13. and a ceramic layer.

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.

Examples: as shown in fig. 1-5, the utility model provides a composite wear-resistant concrete conveying elbow, which comprises an elbow body 1 and a straight pipe 3, wherein the bottom end of the elbow body 1 is fixedly connected with a first connecting disc 2, the outer side of the straight pipe 3 is fixedly connected with a second connecting disc 4, the outer side of the elbow body 1 is fixedly connected with a fixed frame 5, two sides of the fixed frame 5 are rotationally connected with symmetrically distributed unlocking rods 6, the outer sides of the unlocking rods 6 are rotationally connected with rotating buckles 7, the inner sides of the rotating buckles 7 are provided with through grooves 8, and one end, far away from the unlocking rods 6, of each rotating buckle 7 is clamped with the bottom surface of the second connecting disc 4.

The connecting groove 9 has been seted up to the bottom of first connection pad 2, and the outside at second connection pad 4 is established to connecting groove 9 movable sleeve, and first ring channel 10 has been seted up on first connection pad 2 inner wall side top, and second ring channel 11 corresponding with first ring channel 10 has been seted up on the top of second connection pad 4, and the inside fixed mounting of first ring channel 10 and second ring channel 11 has sealing washer 12.

Through adopting above-mentioned technical scheme, establish the outside at second connection pad 4 through with spread groove 9 movable sleeve, improve the leakproofness that first connection pad 2 and second connection pad 4 are connected, simultaneously through the inside fixed mounting sealing washer 12 at first ring channel 10 and second ring channel 11, further increase the sealed effect of first connection pad 2 and second connection pad 4 junction.

The inner wall of the elbow body 1 is fixedly connected with a ceramic layer 13.

By adopting the technical scheme, the wear resistance and corrosion resistance of the inner wall of the bent pipe are improved by arranging the ceramic layer 13 and utilizing the physical property of the ceramic layer 13.

The inner side of the unlocking rod 6 is provided with an inclined plane.

Through adopting above-mentioned technical scheme, through setting the inboard of release lever 6 to the inclined plane, the better completion unblock operation of being convenient for.

The outer sides of the bent pipe body 1 and the straight pipe 3 are coated with anti-corrosion paint.

Through adopting above-mentioned technical scheme, through scribble at the outside of return bend body 1 and straight tube 3 and be equipped with anticorrosive paint, be convenient for increase the life of return bend.

Working principle: when the bent pipe body 1 and the straight pipe 3 are connected, the connecting groove 9 is movably sleeved on the outer side of the second connecting disc 4, then the inner side of the bottom end of the rotary buckle 7 is clamped to the bottom surface of the second connecting disc 4, the unlocking rod 6 is rotated to the side far away from the rotary buckle 7, the rotary buckle 7 is pulled to move to one side of the unlocking rod 6 by utilizing the difference of the rotation central shafts of the unlocking rod 6 and the rotary buckle 7, so that the bottom end of the rotary buckle 7 and the second connecting disc 4 are clamped mutually, the connection operation between the bent pipe body 1 and the straight pipe 3 is completed, and when the bent pipe body 1 is disassembled, the limitation on the rotary buckle 7 is released by rotating the unlocking rod 6 to the side far away from the bent pipe body 1, and the bent pipe body 1 is convenient to disassemble;

meanwhile, the sealing rings 12 are fixedly arranged in the first annular groove 10 and the second annular groove 11, so that the sealing effect of the joint of the first connecting disc 2 and the second connecting disc 4 is further improved, and the ceramic layer 13 is arranged on the inner wall of the elbow body 1, so that the wear resistance and corrosion resistance of the inner wall of the elbow are improved by utilizing the physical property of the ceramic layer 13.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. The utility model provides a compound wear-resisting concrete conveying return bend, includes return bend body (1) and straight tube (3), its characterized in that: the utility model discloses a pipe bending device, including return bend body (1), fixed frame (5), unlocking lever (6), through groove (8) have been seted up to the inboard of rotating buckle (7), the one end that unlocking lever (6) was kept away from to rotating buckle (7) and the bottom surface looks joint of second connection pad (4) are connected with first connection pad (2) to the bottom fixedly connected with of return bend body (1), fixed frame (1) outside fixedly connected with fixed frame (5), the both sides of fixed frame (5) rotate and are connected with symmetrically distributed unlocking lever (6), the outside of unlocking lever (6) is all rotated and is connected with rotation buckle (7).

2. The composite wear-resistant concrete conveying elbow according to claim 1, wherein a connecting groove (9) is formed in the bottom end of the first connecting disc (2), and the connecting groove (9) is movably sleeved on the outer side of the second connecting disc (4).

3. The composite wear-resistant concrete conveying elbow according to claim 1, wherein a first annular groove (10) is formed in the top end of the inner wall side of the first connecting disc (2), a second annular groove (11) corresponding to the first annular groove (10) is formed in the top end of the second connecting disc (4), and sealing rings (12) are fixedly arranged in the first annular groove (10) and the second annular groove (11).

4. A composite wear-resistant concrete delivery elbow according to claim 1, wherein the inner wall of the elbow body (1) is fixedly connected with a ceramic layer (13).

5. A composite wear-resistant concrete delivery elbow according to claim 1, wherein the inside of the unlocking lever (6) is provided as a bevel.

6. A composite wear-resistant concrete conveying elbow according to claim 1, wherein the outside of the elbow body (1) and the straight pipe (3) are coated with anti-corrosive paint.