CN219796220U

CN219796220U - Non-return device for grouting system

Info

Publication number: CN219796220U
Application number: CN202320348809.8U
Authority: CN
Inventors: 张秉林; 肖金鑫; 王辉; 侯利新; 庞立军
Original assignee: Tianjin Water Conservancy Engineering Group Co ltd
Current assignee: Tianjin Water Conservancy Engineering Group Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-10-03
Anticipated expiration: 2033-02-28

Abstract

The present utility model provides a non-return device for a grouting system, comprising: the connecting pipe is communicated with the slurry outlet end of the grouting system; one end of the grouting cylinder is connected with the connecting pipe, the other end of the grouting cylinder is airtight, and grouting holes are formed in the side wall of the grouting cylinder; the sealing block is used for sealing the opening of the connecting pipe close to the grouting cylinder, and an elastic piece is arranged between the sealing block and the bottom end of the grouting cylinder. The utility model has the beneficial effects that: the grouting system has the advantages that the grouting system has the grouting end for outputting high-pressure slurry, the elastic piece is compressed, the slurry flows into the inner side of the grouting barrel through the gap between the sealing block and the connecting pipe and flows out to the designated grouting position through the grouting hole, and after grouting is finished, under the action of the elastic force of the elastic piece, the sealing block seals the opening of the connecting pipe close to the grouting barrel, so that the phenomena of slurry returning, slurry backflow and the like are prevented.

Description

Non-return device for grouting system

Technical Field

The utility model belongs to the technical field of grouting, and particularly relates to a non-return device for a grouting system.

Background

In the process of engineering construction, the condition that can take place the foundation ditch frequently, for the normal clear of construction project, the constructor adopts grouting system to carry out grouting operation to the region of permeating water generally to reach shutoff purpose, present slip casting pipe has following problem at the in-process of slip casting: because higher water pressure exists at the water permeable position, the grouting pipe is lack of a non-return structure, so that the phenomena of slurry returning, slurry backflow and the like are very easy to occur after the grouting is finished, and the grouting effect is caused to be less than ideal.

Disclosure of Invention

In view of the above, the present utility model aims to propose a non-return device for a grouting system, in order to solve at least one of the above-mentioned part of technical problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a non-return device for a grouting system, comprising:

the connecting pipe is communicated with the slurry outlet end of the grouting system;

one end of the grouting cylinder is connected with the connecting pipe, the other end of the grouting cylinder is airtight, and grouting holes are formed in the side wall of the grouting cylinder;

the sealing block is used for sealing the opening of the connecting pipe close to the grouting cylinder, and an elastic piece is arranged between the sealing block and the bottom end of the grouting cylinder.

Further, the sealing block comprises a sealing part and a guiding part which are sequentially connected, the diameter of the sealing part is smaller than the inner diameter of the grouting barrel, the diameter of the guiding part is matched with the diameter of the connecting pipe, the sealing part is arranged on the inner side of the grouting barrel, the guiding part is arranged on the inner side of the connecting pipe, a grouting groove is formed in the side wall of the guiding part, the sealing part is used for sealing an opening of the connecting pipe adjacent to the grouting barrel, and an elastic piece is arranged between the sealing part and the bottom end of the grouting barrel.

Further, the elastic piece is a compression spring, the end face, far away from the connecting pipe, of the sealing part is fixedly provided with a guide pipe, the grouting barrel is fixedly provided with a guide rod matched with the guide pipe, the guide rod is arranged on the inner side of the guide pipe, and the compression spring is arranged on the outer side of the guide pipe.

Further, the grouting cylinder is provided with a mounting boss adjacent to the inner side of one end of the connecting pipe, an internal thread is formed on the inner side of the mounting boss, an external thread is formed on the outer side of one end of the connecting pipe adjacent to the grouting cylinder, and the connecting pipe is in threaded connection with the mounting boss.

Further, the outside of the grouting cylinder is provided with a sleeve corresponding to the grouting hole, the sleeve is a structural member made of rubber, the sleeve is sleeved on the outside of the grouting cylinder, and the sleeve is used for sealing the grouting hole.

Further, the grouting cylinder is provided with limit bolts corresponding to two ends of the sleeve, the grouting cylinder is provided with limit threaded holes corresponding to the limit bolts, and the limit bolts are in threaded connection with the grouting cylinder.

Further, the end face of the grouting barrel far away from the connecting pipe is a conical surface.

Compared with the prior art, the non-return device for the grouting system has the following beneficial effects:

(1) According to the non-return device for the grouting system, the grouting end of the grouting system outputs high-pressure slurry, the elastic piece is compressed, the slurry flows into the inner side of the grouting cylinder through the gap between the sealing block and the connecting pipe and flows out to a designated grouting position through the grouting hole, and after grouting is finished, the sealing block seals the opening of the connecting pipe close to the grouting cylinder under the action of the elastic force of the compressed elastic piece, so that the phenomena of slurry returning, slurry backflow and the like are prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional view of a check device according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a check device according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a seal block according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a grouting barrel according to an embodiment of the utility model.

Reference numerals illustrate:

1. a sleeve; 2. a connecting pipe; 3. grouting cylinder; 4. a limit bolt; 5. a sealing block; 6. a compression spring; 301. grouting holes; 302. a limit threaded hole; 303. a guide rod; 304. a mounting boss; 501. a sealing part; 502. a guide part; 503. a guide tube; 50201. grouting grooves.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 4, a non-return device for a grouting system, comprising: the connecting pipe 2 is communicated with a slurry outlet end of the grouting system; a grouting barrel 3, wherein one end of the grouting barrel 3 is connected with the connecting pipe 2, the other end of the grouting barrel 3 is airtight, and a grouting hole 301 is formed in the side wall of the grouting barrel 3; the sealing block 5, the sealing block 5 is used for sealing the opening that connecting pipe 2 is close to the slip casting section of thick bamboo 3, be equipped with the elastic component between sealing block 5 and the slip casting section of thick bamboo 3 bottom.

The sealing block 5 comprises a sealing part 501 and a guiding part 502 which are sequentially connected, the diameter of the sealing part 501 is smaller than the inner diameter of the grouting barrel 3, the diameter of the guiding part 502 is matched with the diameter of the connecting pipe 2, the sealing part 501 is arranged on the inner side of the grouting barrel 3, the guiding part 502 is arranged on the inner side of the connecting pipe 2, a grouting groove 50201 is formed in the side wall of the guiding part 502, the sealing part 501 is used for sealing an opening of the connecting pipe 2 adjacent to the grouting barrel 3, and an elastic piece is arranged between the sealing part 501 and the bottom end of the grouting barrel 3. The guide portion 502 has a positioning function on the sealing portion 501, so that the sealing portion 501 can better fit the end face of the connecting pipe 2.

The elastic component is compression spring 6, sealing portion 501 has set firmly guide tube 503 on keeping away from the terminal surface of connecting pipe 2, grouting section of thick bamboo 3 is last to have set firmly with guide tube 503 assorted guide bar 303, guide bar 303 is installed in the guide tube 503 is inboard, compression spring 6 installs in the outside of guide tube 503, and guide bar 303 has played the guide effect in the guide tube 503 removal in-process, makes the removal process of sealing block 5 more stable.

The grouting barrel 3 is equipped with the installation boss 304 near the inboard of connecting pipe 2 one end, the inboard of installation boss 304 is opened there is the internal thread, the outside that connecting pipe 2 is near grouting barrel 3 one end is opened there is the external screw thread, connecting pipe 2 and installation boss 304 threaded connection can adjust compression spring 6's elasticity through rotating the notes liquid barrel.

The outside of the grouting cylinder 3 is provided with a sleeve 1 corresponding to the grouting hole 301, the sleeve 1 is a structural member made of rubber, the sleeve 1 is sleeved on the outside of the grouting cylinder 3, the sleeve 1 is used for sealing the grouting hole 301, when the pressure of slurry in the grouting cylinder 3 exceeds the external pressure of the grouting cylinder 3, the sleeve 1 deforms, a gap is formed between the sleeve 1 and the side wall of the grouting cylinder 3, the slurry flows out of the gap, after the grouting is finished, when the pressure of the slurry in the grouting cylinder 3 is smaller than the external pressure of the grouting cylinder 3, the sleeve 1 is restored to the original state, and the phenomena of slurry returning, slurry backflow and the like are prevented.

The grouting cylinder 3 is provided with limit bolts 4 corresponding to two ends of the sleeve 1, the grouting cylinder 3 is provided with limit threaded holes 302 corresponding to the limit bolts 4, the limit bolts 4 are in threaded connection with the grouting cylinder 3, and the limit bolts 4 play a limit role on the sleeve 1 to prevent the sleeve 1 from moving.

The end face of the grouting barrel 3, which is far away from the connecting pipe 2, is a conical surface, and the conical surface is convenient for the insertion of the grouting barrel.

The working process comprises the following steps:

when this scheme is implemented, the thick liquid of high pressure is exported to the play thick liquid end of grouting system, compression spring 6 takes place the compression, and thick liquid flows through the inboard of grouting section of thick bamboo 3 in proper order in the gap inflow between grouting groove 50201, sealing part 501 and the grouting section of thick bamboo 3 to flow out to appointed slip casting position by grouting hole 301, under the effect of compression spring 6 elasticity after the slip casting finishes, sealing part 501 seals connecting pipe 2 and is close to the opening of grouting section of thick bamboo 3, prevents that thick liquid from appearing returning thick liquid, thick liquid phenomenon such as backward flow.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the claims and description.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A non-return device for a grouting system, comprising:

the connecting pipe (2), the said connecting pipe (2) communicates with the slurry outlet end of the grouting system;

the grouting device comprises a grouting barrel (3), wherein one end of the grouting barrel (3) is connected with a connecting pipe (2), the other end of the grouting barrel (3) is sealed, and a grouting hole (301) is formed in the side wall of the grouting barrel (3);

the sealing block (5), sealing block (5) are used for sealing the opening that connecting pipe (2) is close to slip casting section of thick bamboo (3), be equipped with the elastic component between sealing block (5) and slip casting section of thick bamboo (3) bottom.

2. A non-return device for a grouting system as claimed in claim 1, wherein: sealing block (5) are including sealing portion (501), guide part (502) that connect gradually, the diameter of sealing portion (501) is less than the internal diameter of slip casting section of thick bamboo (3), the diameter phase-match of guide part (502) and connecting pipe (2), sealing portion (501) are installed in the inboard of slip casting section of thick bamboo (3), sealing portion (502) are installed in the inboard of connecting pipe (2), it has slip casting groove (50201) to open on the lateral wall of guide portion (502), sealing portion (501) are used for sealing connecting pipe (2) to close to the opening of slip casting section of thick bamboo (3), be equipped with the elastic component between sealing portion (501) and slip casting section of thick bamboo (3) bottom.

3. A non-return device for a grouting system as claimed in claim 2, wherein: the elastic piece is a compression spring (6), a guide pipe (503) is fixedly arranged on the end face, far away from the connecting pipe (2), of the sealing part (501), a guide rod (303) matched with the guide pipe (503) is fixedly arranged on the grouting barrel (3), the guide rod (303) is arranged on the inner side of the guide pipe (503), and the compression spring (6) is arranged on the outer side of the guide pipe (503).

4. A non-return device for a grouting system as claimed in claim 3, wherein: the grouting device is characterized in that an installation boss (304) is arranged on the inner side of the grouting barrel (3) close to one end of the connecting pipe (2), an internal thread is formed on the inner side of the installation boss (304), an external thread is formed on the outer side of the connecting pipe (2) close to one end of the grouting barrel (3), and the connecting pipe (2) is in threaded connection with the installation boss (304).

5. A non-return device for a grouting system as claimed in claim 1, wherein: the grouting device is characterized in that a sleeve (1) corresponding to the grouting hole (301) is arranged on the outer side of the grouting barrel (3), the sleeve (1) is a structural member made of rubber, the sleeve (1) is sleeved on the outer side of the grouting barrel (3), and the sleeve (1) is used for sealing the grouting hole (301).

6. A non-return device for a grouting system as claimed in claim 5, wherein: the grouting device is characterized in that the grouting barrel (3) is provided with limiting bolts (4) corresponding to two ends of the sleeve (1), the grouting barrel (3) is provided with limiting threaded holes (302) corresponding to the limiting bolts (4), and the limiting bolts (4) are in threaded connection with the grouting barrel (3).

7. A non-return device for a grouting system as claimed in claim 1, wherein: the end face of the grouting cylinder (3) far away from the connecting pipe (2) is a conical surface.