A grouting port plugging device

Abstract

The utility model provides a grouting mouth plugging device relates to the technical field of building construction, including grouting pipe, the inner surface screw thread connection of grouting pipe has the connecting pipe, the inside fixed mounting of connecting pipe has the sealing washer, the inner surface screw thread connection of connecting pipe has the plugging pipe, the utility model discloses through setting up grouting pipe, connecting pipe, sealing washer, plugging pipe and mounting bracket etc. part, wherein through each pipeline screw thread connection assembly, can use with the injection inlet connection, make when grouting, grout pressure will promote the plugging head, drive sliding block compression spring, make the plugging head separate sealing washer and form the passage, let grout inject smoothly. After grouting, spring rebound promotes sliding block reset, drive the plugging head and sealing washer close adhesion, restore the block, thereby realized the automatic opening of grouting process and the automatic closing after the end, solve the problem that grouting overflows after not promptly plugging after grouting.

Description

Technical Field

[0001] This utility model relates to the technical field of building construction, and in particular to a grouting port sealing device. Background Technology

[0002] Grouting port sealing is a critical requirement in pressure grouting operations during building construction, tunneling, and underground engineering. After grouting for soil and rock reinforcement, structural strengthening, or seepage prevention and plugging, the grouting port must be reliably sealed to prevent backflow or splashing of high-pressure grout under residual system pressure, ensuring the density of the grout and the final project quality. Publication No. CN221030177U discloses a grouting port sealing device, which includes a grout receiving pipe, an annular airbag, and a sliding pipe. Both the annular airbag and the sliding pipe are sleeved on the outside of the grout receiving pipe. The bottom end of the annular airbag is connected to the grout receiving pipe, and the bottom end of the sliding pipe abuts against the top end of the annular airbag. The annular airbag is made of elastic material, and a compression ring plate is connected to the top end of the sliding pipe. A one-way limiting component is provided on the grout receiving pipe to limit the movement of the sliding pipe. This application achieves stable sealing of grouting ports and expands the applicability of sealing devices. However, if the device is not sealed in time after grouting, the residual grout in the grouting pipe will overflow from the grouting port due to the residual pressure in the pipe, which will not only waste materials but also pollute the working environment, so improvements are needed. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems mentioned in the background art.

[0004] This utility model adopts the following technical solution: a grouting port sealing device, including a grouting pipe, a connecting pipe threaded to the inner surface of the grouting pipe, a sealing gasket fixedly installed inside the connecting pipe, a sealing pipe threaded to the inner surface of the connecting pipe, an installation frame fixedly installed inside the sealing pipe, a sliding groove formed on the surface of the installation frame, a sliding plate slidably connected inside the sliding groove, a spring fixedly installed on the surface of the sliding plate, a sliding block fixedly installed at one end of the spring, a connecting rod fixedly installed at one end of the sliding block, a sealing head threadedly connected to the surface of the connecting rod, and an installation pipe threadedly connected to the surface of the sealing pipe.

[0005] Preferably, an outer sealing ring is fixedly installed on the surface of the mounting pipe, and an inner sealing ring is fixedly installed inside the grouting pipe. Here, the outer sealing ring allows it to fit more closely to the injection port, increasing friction and preventing detachment after grouting, while the inner sealing ring allows it to fit more closely to the external injection pipe, preventing pressure and slurry leakage.

[0006] Preferably, the springs are arranged in five sets, located at the four corners and center of the sliding plate, with the surface of the sliding block slidably connected to the inner surface of the sliding groove. This five-spring arrangement provides uniform preload, ensuring stable movement of the sealing head during grouting and preventing incomplete sealing due to skewing.

[0007] Preferably, the surface of the sealing head is in contact with the surface of the sealing gasket, and the mounting bracket, sliding groove, and sliding block are all cross-shaped. Here, the cross-shaped structure provides sufficient support strength while retaining a grout flow channel, making the grouting process smoother.

[0008] Preferably, the mounting frame has a rotatably connected bidirectional lead screw inside, a movable block threaded onto the surface of the bidirectional lead screw, support frames fixedly mounted on both sides of the movable block, a connecting block rotatably connected to the inner surface of the support frame, an adjusting wheel fixedly mounted on the surface of the bidirectional lead screw, and a support plate slidably connected to the surface of the movable block. Here, the spring preload can be precisely controlled by rotating the adjusting wheel, allowing the device to adapt to grouting conditions under different pressures.

[0009] Preferably, the two sides of the support plate are fixedly connected to the surface of the sliding groove, and one side of the connecting block is fixedly connected to the bottom of the sliding plate. Here, the support plate provides a stable sliding track for the moving block, ensuring coordinated movement of all components during preload adjustment and improving adjustment accuracy.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0011] 1. This utility model incorporates components such as a grouting pipe, connecting pipe, sealing gasket, plugging pipe, and mounting bracket. These components are assembled via threaded connections and can be connected to the injection port for use. During grouting, the grout pressure pushes the plugging head, causing the sliding block to compress the spring, disengaging the plugging head from the sealing gasket and creating a channel for grout injection. After grouting, the spring returns, pushing the sliding block back to its original position, causing the plugging head to fit tightly against the sealing gasket, restoring the blockage. This achieves automatic opening during the grouting process and automatic closing after completion, solving the problem of grout overflow caused by failure to promptly seal the plug after grouting.

[0012] 2. In this utility model, a bidirectional lead screw, a moving block, a support frame, a connecting block, an adjusting wheel, and a support plate are provided. The bidirectional lead screw is rotated by rotating the adjusting wheel, and the bidirectional lead screw drives the moving block connected to the surface to slide along the support plate. The moving block drives the connecting block to move through the support frames on both sides. The connecting block pushes the relevant components to adjust their positions, so that the device can adapt to the grouting pressure requirements of different working conditions. Attached Figure Description

[0013] Figure 1This utility model provides an overall structural schematic diagram of a grouting port sealing device;

[0014] Figure 2 This utility model provides a schematic diagram of the internal structure of a grouting port sealing device;

[0015] Figure 3 This utility model provides a partial structural schematic diagram of a grouting port sealing device;

[0016] Figure 4 This utility model provides a partial exploded schematic diagram of the structure of a grouting port sealing device;

[0017] Figure 5 This utility model provides a schematic diagram of the internal structure of the sliding groove of a grouting port sealing device;

[0018] Legend:

[0019] 1. Grouting pipe; 2. Connecting pipe; 3. Sealing gasket; 4. Pluging pipe; 5. Mounting bracket; 6. Sliding groove; 7. Sliding plate; 8. Spring; 9. Sliding block; 10. Connecting rod; 11. Pluging head; 12. Mounting pipe; 13. Outer sealing ring; 14. Inner sealing ring; 15. Double-acting screw; 16. Moving block; 17. Support frame; 18. Connecting block; 19. Adjusting wheel; 20. Support plate. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1

[0023] Please see Figure 1-4This utility model provides a technical solution: a grouting port sealing device, including a grouting pipe 1, a connecting pipe 2 threadedly connected to the inner surface of the grouting pipe 1 for a stable connection and easy disassembly, a sealing gasket 3 fixedly installed inside the connecting pipe 2 to enhance sealing, a sealing pipe 4 threadedly connected to the inner surface of the connecting pipe 2 for easy component installation and maintenance, a mounting bracket 5 fixedly installed inside the sealing pipe 4 to provide stable support for other components, a sliding groove 6 on the surface of the mounting bracket 5 to guide the directional movement of components, a sliding plate 7 slidably connected inside the sliding groove 6 to achieve smooth sliding and ensure structural linkage, a spring 8 fixedly installed on the surface of the sliding plate 7 for automatic reset using elasticity, a sliding block 9 fixedly installed at one end of the spring 8 to transmit force and drive the movement of related components, a connecting rod 10 fixedly installed at one end of the sliding block 9 to connect the sliding block 9 and the sealing head 11 to achieve force transmission, and a threaded surface of the connecting rod 10... The device is equipped with a plug head 11 for easy replacement and tight fit to the sealing gasket 3. The surface of the plug tube 4 is threaded with an installation tube 12, which enhances the overall structural stability of the device. An outer sealing ring 13 is fixedly installed on the surface of the installation tube 12, which enhances the sealing performance between the device and the grouting port. An inner sealing ring 14 is fixedly installed inside the grouting pipe 1, which improves the sealing effect at the connection of the grouting equipment. There are five sets of springs 8, which are located at the four corners and the center of the sliding plate 7, which makes the force more balanced and improves the structural stability. The surface of the sliding block 9 is slidably connected to the inner surface of the sliding groove 6, which ensures smooth movement of the sliding block 9 and reduces friction. The surface of the plug head 11 is in contact with the surface of the sealing gasket 3, which enhances the initial sealing effect and prevents grout leakage. The mounting bracket 5, the sliding groove 6 and the sliding block 9 are all cross-shaped, which improves the fit accuracy of the components and enhances the structural strength, while retaining the grout flow channel, making the grouting process smoother.

[0024] Example 2

[0025] Please see Figure 5 The mounting bracket 5 is internally connected to a bidirectional lead screw 15, which allows for position adjustment of the moving block 16 through rotation. The moving block 16 is threaded onto the surface of the bidirectional lead screw 15, converting rotational motion into linear motion. Support frames 17 are fixedly mounted on both sides of the moving block 16, providing stable support and transmitting force. Connecting blocks 18 are rotatably connected to the inner surface of the support frames 17, allowing for flexible force transmission. Adjusting wheels 19 are fixedly mounted on the surface of the bidirectional lead screw 15, facilitating manual adjustment by operators and improving operational convenience. A support plate 20 is slidably connected to the surface of the moving block 16, providing guidance and ensuring smooth movement. The two sides of the support plate 20 are fixedly connected to the surface of the sliding groove 6, enhancing the stability of the support plate 20 and improving the overall structural strength. One side of the connecting block 18 is fixedly connected to the bottom of the sliding plate 7, ensuring effective force transmission and smooth component linkage.

[0026] Working principle: First, rotate the adjusting wheel 19 on the mounting bracket 5 inside the sealing pipe 4, which drives the bidirectional screw 15 fixedly connected to it to rotate synchronously. The bidirectional screw 15 drives the moving block 16 with its surface threaded connection to move along the support plate 20. The moving block 16 drives the connecting block 18 to move through the support brackets 17 on both sides. The connecting block 18 pushes the sliding plate 7 to adjust its position in the sliding groove 6, thereby changing the preload of the five sets of springs 8 on the surface of the sliding plate 7. Then, screw the connecting pipe 2 into the grouting pipe 1 to achieve initial fixation. Then, screw the sealing pipe 4 into the connecting pipe 2 so that the sealing head 11 initially aligns with the sealing gasket 3. Subsequently, connect the mounting pipe 12 to the surface of the sealing pipe 4 to form a complete sealing assembly. Install this assembly into the grouting port. The outer sealing ring 13 on the surface of the mounting pipe 12 fits tightly against the inner wall of the grouting port, while the inner sealing ring 14 inside the grouting pipe 1 ensures the fit at the connection of the grouting equipment. After the grouting stage begins, the grout enters the device through the grouting pipe 1. The pressure pushes the sealing head 11, which in turn moves the sliding block 9 via the connecting rod 10. The sliding block 9 pushes the sliding plate 7 to compress the spring 8, causing the sealing head 11 to disengage from the sealing gasket 3 and form a grout channel. The grout then smoothly flows through the connecting pipe 2 and the sealing pipe 4 into the target grouting area. After the grouting operation is completed, the grout pressure decreases, and the compressed spring 8 automatically rebounds, pushing the sliding plate 7 to reset. Through the sliding block 9 and the connecting rod 10, the sealing head 11 is tightly fitted against the sealing gasket 3 to prevent grout leakage.

[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A grouting port plugging device comprising a grouting pipe (1), characterized in that: The inner surface of the grouting pipe (1) is threaded with a connecting pipe (2). A sealing gasket (3) is fixedly installed inside the connecting pipe (2). A plugging pipe (4) is threaded on the inner surface of the connecting pipe (2). An installation frame (5) is fixedly installed inside the plugging pipe (4). A sliding groove (6) is opened on the surface of the installation frame (5). A sliding plate (7) is slidably connected inside the sliding groove (6). A spring (8) is fixedly installed on the surface of the sliding plate (7). A sliding block (9) is fixedly installed at one end of the spring (8). A connecting rod (10) is fixed at one end of the sliding block (9). A plugging head (11) is threaded on the surface of the connecting rod (10). An installation pipe (12) is threaded on the surface of the plugging pipe (4).

2. The grouting port plugging device according to claim 1, characterized in that: An outer sealing ring (13) is fixedly installed on the surface of the mounting pipe (12), and an inner sealing ring (14) is fixedly installed inside the grouting pipe (1).

3. The grouting port plugging device according to claim 1, characterized in that: The number of springs (8) is five sets, which are located at the four corners and the center of the sliding plate (7), respectively. The surface of the sliding block (9) is slidably connected to the inner surface of the sliding groove (6).

4. The plug device according to claim 1, characterized in that: The surface of the sealing head (11) is in contact with the surface of the sealing gasket (3), and the mounting bracket (5), sliding groove (6) and sliding block (9) are all cross-shaped.

5. The plug device according to claim 1, characterized in that: The mounting bracket (5) is internally rotatably connected to a bidirectional lead screw (15). The surface of the bidirectional lead screw (15) is threadedly connected to a moving block (16). Support frames (17) are fixedly installed on both sides of the moving block (16). A connecting block (18) is rotatably connected to the inner surface of the support frame (17). An adjusting wheel (19) is fixedly installed on the surface of the bidirectional lead screw (15). A support plate (20) is slidably connected to the surface of the moving block (16).

6. The injection port occlusion device of claim 5, wherein: The two sides of the support plate (20) are fixedly connected to the surface of the sliding groove (6), and one side of the connecting block (18) is fixedly connected to the bottom of the sliding plate (7).

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