CN220394547U - Non-return device of slip casting pipe and slip casting pipe - Google Patents

Abstract

The utility model relates to the technical field of building construction, in particular to a non-return device of a grouting pipe and the grouting pipe, which comprise a first pipe body and a second pipe body, wherein the first pipe body is vertically fixed with the second pipe body, the first pipe body is communicated with the second pipe body, the non-return device also comprises a fixed block, a spring, a non-return block and a limiting block, the fixed block is arranged in the second pipe body, the spring is arranged below the fixed block, a limiting block is fixed at the communication position of the first pipe body and the second pipe body, and the limiting block is arranged at the bottom of the non-return block. According to the utility model, the check block is arranged, when a worker performs grouting to the first pipe body, the slurry can jack the check block which is elastically abutted by the spring, so that the slurry performs grouting operation through the second pipe body, when grouting ends, the check block can be extruded towards the limiting block by the reflowed slurry, and the greater the pressure of the reflowed slurry to the check block is, the more the gap between the check block and the limiting block can be blocked.

Description

Non-return device of slip casting pipe and slip casting pipe

Technical Field

The utility model relates to the technical field of building construction, in particular to a non-return device of a grouting pipe and the grouting pipe.

Background

The grouting pipe is a pipeline special for grouting, and is commonly used in projects such as foundation reinforcement and pile foundation reinforcement. The grouting pipe is generally made of a steel pipe or a plastic pipe, has the characteristics of simple structure, good sealing performance, strong adaptability and the like, and can ensure that slurry does not leak out in the injection process in the construction process, thereby improving the construction efficiency and quality.

When carrying out the slip casting operation, the staff can use the high pressure to pour into the slip casting intraductal with thick liquids, but when the staff stopped the slip casting, the slip casting pipeline can form pressure differential with the periphery, former slip casting thick liquids easily cause backward flow, so need a slip casting pipe non return device to prevent thick liquids backward flow, for example, current publication number CN 212297768U's patent discloses a back slip casting pipeline prevents reflux unit, it sets up the slant baffle in slip casting pipeline inside, and the slant baffle utilizes spring force automatic re-setting to form to seal after the slip casting is accomplished, blocks the backward flow thick liquids. Meanwhile, the device does not need to be provided with a one-way reflux valve, is low in cost, high in reflux control efficiency and not easy to damage.

However, in the above technical solution, although the cooperation of the inclined baffle and the spring can prevent most of the slurry from flowing backwards, a gap exists between the inclined baffle and the pipe body, and when the slurry flows backwards, a small part of the slurry still flows backwards in the grouting pipe through the gap, so the utility model aims to provide a more effective non-return device of the grouting pipe and the grouting pipe.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a non-return device of a grouting pipe and the grouting pipe, which can more effectively prevent the backflow of slurry so as to solve the problem that small and medium-sized slurry in the prior art can still flow back in the grouting pipe through the gap.

In order to achieve the above purpose, the utility model provides a non-return device of a grouting pipe, which comprises a first pipe body and a second pipe body, wherein the first pipe body is vertically fixed with the second pipe body, the first pipe body is communicated with the second pipe body, the non-return device further comprises a fixed block, a spring, a non-return block and a limiting block, the fixed block is arranged in the second pipe body, the spring is arranged below the fixed block, the non-return block is arranged below the fixed block, a first end of the spring is fixed on the fixed block, a second end of the spring is fixed on the non-return block, a limiting block is fixed at a communication position of the first pipe body and the second pipe body, and the limiting block is arranged at the bottom of the non-return block.

Optionally, a rubber sleeve is sleeved on the check block.

Optionally, a guide rod is fixed at the bottom of the fixed block, and the guide rod movably penetrates through the check block.

Optionally, a repair opening is formed in the second pipe body, the repair opening is in threaded connection with a repair block, and the fixing block is fixed on the repair opening.

Optionally, a sealing sleeve is sleeved on the fixing block and is used for sealing a gap between the repair block and the second pipe body.

Optionally, a rotating rod is fixed at the top of the repairing block, and a rotating rod is arranged on the rotating rod.

The utility model also provides a grouting pipe, and the non-return device of the grouting pipe is arranged on the inner wall of the grouting pipe.

Compared with the prior art, the utility model provides the non-return device of the grouting pipe and the grouting pipe, which have the following beneficial effects:

according to the utility model, the check block is arranged, when a worker performs grouting to the first pipe body, the slurry can jack the check block which is elastically abutted by the spring, so that the slurry performs grouting operation through the second pipe body, when grouting ends, the check block can be extruded towards the limiting block by the reflowed slurry, and the greater the pressure of the reflowed slurry to the check block is, the more the gap between the check block and the limiting block can be blocked, so that the check effect on the slurry is improved;

according to the utility model, the rubber sleeve seals the gap between the check block and the first pipe body so as to further prevent the slurry from flowing back from the gap;

according to the utility model, the guide rod can increase the stability of the check block during up-and-down movement, and prevent the check block from generating larger shaking.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 shows a schematic top view of the present utility model;

figure 3 shows a cross-sectional view of figure 2 along A-A.

In the figure: 1. a first tube body; 2. a second tube body; 3. a fixed block; 4. a spring; 5. a non-return block; 6. a limiting block; 7. a rubber sleeve; 8. a guide rod; 9. changing and repairing ports; 10. changing and repairing blocks; 11. sealing sleeve; 12. a rotating rod; 13. and (5) rotating the rod.

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: referring to fig. 1 to 3, according to an embodiment of the present utility model, a technical solution is provided: the utility model provides a slip casting pipe's non return device, including first body 1 and second body 2, first body 1 is vertical fixation with second body 2, first body 1 and second body 2 intercommunication still include fixed block 3, spring 4, non return piece 5 and stopper 6, fixed block 3 sets up inside second body 2, spring 4 sets up in the below of fixed block 3, non return piece 5 sets up in the below of fixed block 3, the first end of spring 4 is fixed on fixed block 3, the second end of spring 4 is fixed on non return piece 5, the intercommunication department of first body 1 and second body 2 is fixed with a stopper 6, stopper 6 sets up the bottom at non return piece 5.

By adopting the non-return device of the grouting pipe with the structure, when a user performs grouting operation, after the first pipe body 1 and the second pipe body 2 are inserted, slurry is injected into the first pipe body 1 through high pressure, slurry in the first pipe body 1 can rush out the non-return block 5 due to pressure until the grouting of the user is finished, the non-return block 5 can be extruded on the limiting block 6 by the reflowed slurry after the grouting of the user is finished, and the more the reflowed slurry has higher pressure on the non-return block 5, the gap between the non-return block 5 and the limiting block 6 can be blocked, and the non-return effect on the slurry is improved.

In the embodiment, a rubber sleeve 7 is sleeved on the check block 5; the rubber sleeve 7 seals the gap between the non-return block 5 and the first pipe body 1 to further prevent the back flow of slurry from the gap.

In the embodiment, a guide rod 8 is fixed at the bottom of the fixed block 3, and the guide rod 8 movably penetrates through the non-return block 5; the guide rod 8 increases the stability of the check block 5 when moving up and down, preventing the check block 5 from generating large shaking.

In the embodiment, a repair opening 9 is formed in the second pipe body 2, the repair opening 9 is in threaded connection with a repair block 10, and the fixed block 3 is fixed on the repair opening 9; when the user needs to repair and replace the check block 5, the check block 5 is carried out by unscrewing the replacement repair block 10, so that the user can repair the check block 5 conveniently.

In this embodiment, a sealing sleeve 11 is sleeved on the fixing block 3 to seal a gap between the repairing block 10 and the second pipe body 2; the sealing sleeve 11 prevents slurry from passing through the gap between the repair block 10 and the second pipe body 2.

In the embodiment, a rotating rod 12 is fixed at the top of the repairing block 10, and a rotating rod 13 is arranged on the rotating rod 12; the swivel lever 13 gives the user a pivot point for rotation to facilitate the user's rotation of the replacement block 10.

Working principle: when a user performs grouting operation, firstly, after the first pipe body 1 and the second pipe body 2 are inserted, slurry is injected into the first pipe body 1 through high pressure, slurry in the first pipe body 1 can wash away the check block 5 due to pressure until the grouting of the user is finished, after the grouting of the user is finished, the check block 5 can be extruded towards the limiting block 6 by the reflowed slurry, and the gap between the check block 5 and the limiting block 6 can be blocked as the pressure of the reflowed slurry to the check block 5 is larger, so that the check effect on the slurry is improved; the rubber sleeve 7 seals the gap between the check block 5 and the first pipe body 1 to further prevent the slurry from flowing back from the gap; the guide rod 8 can increase the stability of the check block 5 during up and down movement, and prevent the check block 5 from generating larger shaking; when the user needs to repair and replace the check block 5, the check block 5 is carried out by unscrewing the replacement repair block 10, so that the user can repair the check block 5 conveniently; the rotary rod 13 gives a rotary pivot point to the user so as to facilitate the user to rotate the repair block 10; the sealing sleeve 11 prevents slurry from passing through the gap between the repair block 10 and the second pipe body 2.

The utility model also provides a grouting pipe, and the non-return device of the grouting pipe is arranged on the inner wall of the grouting pipe.

Working principle: the working principle is the same as that of the check device, and the description is omitted here.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a slip casting pipe's non return device, includes first body (1) and second body (2), first body (1) with second body (2) are vertical fixation, first body (1) with second body (2) intercommunication, its characterized in that still includes fixed block (3), spring (4), non return piece (5) and stopper (6), fixed block (3) set up inside second body (2), spring (4) set up the below of fixed block (3), non return piece (5) set up the below of fixed block (3), the first end of spring (4) is fixed on fixed block (3), the second end of spring (4) is fixed on non return piece (5), first body (1) with the intercommunication department of second body (2) is fixed with stopper (6), stopper (6) set up the bottom of non return piece (5).

2. A non-return device for a grouting pipe as claimed in claim 1, wherein: the check block (5) is sleeved with a rubber sleeve (7).

3. A non-return device for a grouting pipe as claimed in claim 1, wherein: a guide rod (8) is fixed at the bottom of the fixed block (3), and the guide rod (8) movably penetrates through the check block (5).

4. A non-return device for a grouting pipe as claimed in claim 1, wherein: the second pipe body (2) is provided with a replacement and repair opening (9), the replacement and repair opening (9) is in threaded connection with a replacement and repair block (10), and the fixed block (3) is fixed on the replacement and repair opening (9).

5. The non-return device for a grouting pipe as claimed in claim 4, wherein: the fixing block (3) is sleeved with a sealing sleeve (11) for sealing a gap between the repairing block (10) and the second pipe body (2).

6. The non-return device for a grouting pipe as claimed in claim 4, wherein: a rotating rod (12) is fixed at the top of the repairing block (10), and a rotating rod (13) is arranged on the rotating rod (12).

7. A grouting pipe, which is characterized in that: a non-return device of a grouting pipe according to any one of claims 1-6 arranged on the inner wall of the grouting pipe.