CN220134874U

CN220134874U - Grouting pipe

Info

Publication number: CN220134874U
Application number: CN202321663123.4U
Authority: CN
Inventors: 刘建均; 李冬
Original assignee: Chengdu Jiaxin Technology Group Co ltd
Current assignee: Chengdu Jiaxin Technology Group Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-12-05
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a grouting pipe, in particular relates to the technical field of building construction, and solves the technical problems that two ends of the existing grouting pipe are only simple in port structure, ports of two adjacent grouting pipes are directly welded simply when connected, brittle failure easily occurs in the grouting process, construction is affected, and hidden danger is brought to subsequent construction. The utility model comprises a pipe body, wherein a plurality of slurry outlets are uniformly arranged on the pipe body in a surrounding way, the pipe body consists of a plurality of connecting sections, two adjacent connecting sections are connected through a welding auxiliary mechanism, the welding auxiliary mechanism comprises a liner pipe integrally formed at the top of the connecting section, and a liner groove matched with the liner pipe is integrally formed at the bottom of the connecting section. The grouting pipe is used for effectively reinforcing the welded joint between the connecting sections, enhancing the pressure bearing capacity of the welded joint and preventing the welded joint between two adjacent connecting sections from brittle failure due to pressure in the grouting process.

Description

Grouting pipe

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a grouting pipe.

Background

Grouting pipes are used for permanent sealing of construction joints, cold joints, pipe joints, gaps between walls, etc. in concrete. It is very suitable to install grouting pipes between the joints of new and old concrete. When water penetrates into the joint, the joint can be sealed by injecting slurry through a PVC port arranged on the surface to seal the joint. The proper grouting time can be selected to perform grouting after the concrete curing is finished. When constructing, in order to reach the slip casting degree of depth, need connect a plurality of slip casting pipes, but the both ends of current slip casting pipe are simple port structure only, are directly carrying out simple welding with the port of two adjacent slip casting pipes when connecting, and the brittle failure appears because pressure easily in the welded junction between two adjacent slip casting pipes in the in-process of slip casting, influences the construction, brings the hidden danger for follow-up construction.

Disclosure of Invention

The utility model provides a grouting pipe for solving the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a slip casting pipe, includes the body, encircle evenly setting up a plurality of grout outlets on the body, the body comprises a plurality of linkage segments, connects through welding auxiliary mechanism between two adjacent linkage segments, welding auxiliary mechanism includes integrated into one piece is in the bushing pipe at linkage segment top, the bottom integrated into one piece of linkage segment have with bushing pipe complex lining groove.

By adopting the technical scheme, according to the requirement of grouting depth, a proper number of connecting sections are selected for connection in sequence, firstly, a liner tube at one end of one connecting section is inserted into a liner groove of an adjacent connecting section, the top end face of the connecting section is abutted against the bottom end face of the adjacent connecting section, and then, a worker welds the top end face of the connecting section and the bottom end face of the adjacent connecting section. Through the application of this slip casting pipe, carry out effectual reinforcement to the welded connection department between the linkage segment, strengthened the pressure bearing capacity of welded connection department, prevent to appear brittle failure easily because of pressure at the welded junction between two adjacent linkage segments of the in-process of slip casting, influence the construction, bring the hidden danger for follow-up construction.

Preferably, the welding auxiliary mechanism further comprises a threaded pipe integrally formed with the top of the liner pipe, and the liner groove is provided with a threaded groove at one end far away from the bottom of the connecting section, and the threaded groove is matched with the threaded pipe.

By adopting the scheme, when two connecting sections are connected, the corresponding threaded pipe and the threaded groove are matched at first, so that the central axes of the two connecting sections are kept collinear, and the angle deviation of the two connecting sections during welding is prevented.

Preferably, a first sealing gasket is arranged at the top of the liner tube.

By adopting the scheme, the joint between the two connecting sections is prevented from leaking, so that the pressure in the pipe is prevented from being reduced during grouting, and the grouting effect is prevented from being influenced.

Preferably, a one-way valve mechanism is arranged in the slurry outlet.

By adopting the scheme, when the local pressure outside the pipe is too high or soil loosens to generate reverse irrigation, the one-way valve mechanism prevents reverse irrigation materials from entering the pipe.

Preferably, the one-way valve mechanism comprises a sliding groove arranged on the inner wall of the pulp outlet, a baffle is connected in the sliding groove in a sliding way, and the baffle is connected with the sliding groove through a compression spring; the sliding groove is communicated with a diversion trench on one side far away from the inner wall of the pulp outlet, and one end of the diversion trench is communicated with one end of the pulp outlet far away from the baffle.

By adopting the scheme, when grouting is carried out, the slurry extrudes the baffle plate to slide in the sliding groove, then passes through the diversion trench and is sprayed out from the slurry outlet, and when local pressure outside the pipe is too large or soil loosens to generate reverse irrigation, the baffle plate returns to the original position under the action of the compression spring, so that reverse irrigation is prevented.

Preferably, a second sealing gasket is arranged between the baffle plate and the other end of the sliding groove.

By adopting the scheme, the anti-reverse irrigation effect is enhanced.

Preferably, a guiding taper sleeve is arranged at the bottom end of the connecting end at the tail end of the pipe body.

By adopting the scheme, the grouting pipe is convenient to insert into a gap needing grouting.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. through the application of this slip casting pipe, carry out effectual reinforcement to the welded connection department between the linkage segment, strengthened the pressure bearing capacity of welded connection department, prevent to appear brittle failure easily because of pressure at the welded junction between two adjacent linkage segments of the in-process of slip casting, influence the construction, bring the hidden danger for follow-up construction.

2. When two connecting sections are connected, corresponding threaded pipes and threaded grooves are matched at first, so that the central axes of the two connecting sections are kept collinear, and the two connecting sections are prevented from being subjected to angle deviation during welding.

3. When the local pressure outside the pipe is too large or soil loosens to generate reverse grouting, the one-way valve mechanism can prevent reverse grouting materials from entering the pipe, so that the pressure in the pipe is changed during grouting, and the grouting effect is affected.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a front view of a grouting pipe according to the present utility model;

FIG. 2 is a schematic view showing an internal structure of a grouting pipe according to the present utility model;

FIG. 3 is a schematic diagram of a welding auxiliary mechanism of a grouting pipe connecting section before welding;

FIG. 4 is a schematic structural view of a welding auxiliary mechanism of a grouting pipe connecting section after welding;

fig. 5 is a schematic structural view of a one-way valve mechanism in a grouting pipe.

Reference numerals

1-slurry outlet, 2-connecting section, 3-liner tube, 4-liner groove, 5-screwed pipe, 6-screwed groove, 7-first sealing gasket, 8-sliding groove, 9-baffle, 10-compression spring, 11-guiding groove, 12-second sealing gasket and 13-guiding taper sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In describing embodiments of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The present utility model will be described in detail with reference to fig. 1 to 5.

Examples:

in this embodiment, as shown in fig. 1-2, the grouting pipe comprises a pipe body, a plurality of grouting outlets 1 are uniformly arranged on the pipe body in a surrounding manner, the pipe body is composed of a plurality of connecting sections 2, two adjacent connecting sections 2 are connected through a welding auxiliary mechanism, the welding auxiliary mechanism comprises a liner pipe 3 integrally formed at the top of the connecting sections 2, a liner groove 4 matched with the liner pipe 3 is integrally formed at the bottom of the connecting sections 2, and the axial leads of the liner pipe 3 and the liner groove 4 are respectively collinear with the connecting sections 2.

When the connecting device is specifically used, a proper number of connecting sections 2 are selected to be sequentially connected according to the grouting depth, firstly, a liner tube 3 at one end of one connecting section 2 is inserted into a liner groove 4 of the adjacent connecting section 2, the top end face of the connecting section 2 is abutted against the bottom end face of the adjacent connecting section 2, and then, a worker welds the top end face of the connecting section 2 and the bottom end face of the adjacent connecting section 2. Through the application of this slip casting pipe, carry out effectual reinforcement to the welded junction between the linkage segment 2, strengthened the pressure bearing capacity of welded junction, prevent to appear brittle failure easily because of pressure at the welded junction between two adjacent linkage segment 2 of the in-process of slip casting, influence the construction, bring the hidden danger for follow-up construction.

In this embodiment, as shown in fig. 1 to 4, the welding auxiliary mechanism further includes a threaded pipe 5 integrally formed with the top of the liner pipe 3, the liner groove 4 is provided with a threaded groove 6 at one end far away from the bottom of the connection section 2, the threaded groove 6 is matched with the threaded pipe 5, and the axes of the threaded groove 6 and the threaded pipe 5 are respectively collinear with the connection section 2.

When the two connecting sections 2 are connected, the corresponding threaded pipe 5 and the corresponding threaded groove 6 are matched at first, so that the central axes of the two connecting sections 2 are kept collinear, and the two connecting sections 2 are prevented from being subjected to angle deviation during welding.

In this embodiment, as shown in fig. 1 to 4, the top of the liner 3 is provided with a first gasket 7.

When the grouting device is specifically used, the joint between the two connecting sections 2 is prevented from leaking, so that the pressure in the pipe is prevented from being reduced during grouting, and the grouting effect is prevented from being influenced.

In this embodiment, as shown in fig. 1 to 2 and 5, a one-way valve mechanism is provided in the slurry outlet 1.

When the pipe is used in particular, when the local pressure outside the pipe is too high or soil loosens to generate reverse irrigation, the one-way valve mechanism prevents reverse irrigation materials from entering the pipe.

In this embodiment, the one-way valve mechanism includes a sliding groove 8 disposed on the inner wall of the pulp outlet 1, a baffle 9 is slidably connected in the sliding groove 8, and the baffle 9 is connected with the sliding groove 8 through a compression spring 10; the sliding groove 8 is communicated with a diversion trench 11 at one side far away from the inner wall of the pulp outlet 1, and one end of the diversion trench 11 is communicated with one end of the pulp outlet 1 far away from the baffle 9.

When the grouting device is specifically used, as shown in fig. 5, when grouting is carried out, the slurry extrudes the baffle plate 9 to slide in the sliding groove 8, then passes through the diversion trench 11 and is sprayed out from the slurry outlet 1, and when local pressure outside the pipe is overlarge or soil loosens to generate reverse grouting, the baffle plate 9 is reset under the action of the compression spring 10, so that reverse grouting is prevented.

In this embodiment, as shown in fig. 5, a second gasket 12 is disposed between the baffle plate 9 and the other end of the sliding groove 8.

When the anti-reverse irrigation device is particularly used, the anti-reverse irrigation effect is enhanced.

In this embodiment, as shown in fig. 1 to 2, a guiding taper sleeve 13 is disposed at the bottom end of the connecting end of the pipe body end.

When the grouting pipe is particularly used, the grouting pipe is convenient to insert into a gap needing grouting.

In other embodiments, the outer side wall of the connecting section 2 is provided with a pressure-reducing layer, unlike the embodiments described above.

The above examples merely illustrate specific embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the technical idea of the utility model, which fall within the scope of protection of the utility model.

Claims

1. A grouting pipe, which is characterized in that: including the body, evenly encircle on the body and set up a plurality of grout outlets (1), the body comprises a plurality of linkage segments (2), connects through welding auxiliary mechanism between two adjacent linkage segments (2), welding auxiliary mechanism includes integrated into one piece is in bushing pipe (3) at linkage segment (2) top, the bottom integrated into one piece of linkage segment (2) have with bushing pipe (3) complex lining groove (4).

2. A grouting pipe as claimed in claim 1, wherein: the welding auxiliary mechanism further comprises a threaded pipe (5) integrally formed with the top of the liner pipe (3), a threaded groove (6) is formed in one end, far away from the bottom of the connecting section (2), of the liner groove (4), and the threaded groove (6) is matched with the threaded pipe (5).

3. A grouting pipe as claimed in claim 1, wherein: the top of the liner tube (3) is provided with a first sealing gasket (7).

4. A grouting pipe according to any one of claims 1 to 3, characterised in that: a one-way valve mechanism is arranged in the slurry outlet (1).

5. A grouting pipe as claimed in claim 4, wherein: the one-way valve mechanism comprises a sliding groove (8) arranged on the inner wall of the slurry outlet (1), a baffle plate (9) is connected in a sliding manner in the sliding groove (8), and the baffle plate (9) is connected with the sliding groove (8) through a compression spring (10); the sliding groove (8) is communicated with a diversion trench (11) at one side far away from the inner wall of the slurry outlet (1), and one end of the diversion trench (11) is communicated with one end of the slurry outlet (1) far away from the baffle (9).

6. A grouting pipe as claimed in claim 5, wherein: a second sealing gasket (12) is arranged between the baffle (9) and the other end of the sliding groove (8).

7. A grouting pipe according to any one of claims 1 to 3, characterised in that: the bottom end of the connecting section (2) at the tail end of the pipe body is provided with a guide taper sleeve (13).