Prefabricated stair seam filling device

Abstract

The utility model discloses a prefabricated stair seam plugging device which comprises a mounting base, a slurry storage cylinder, a piston rod, a first gear, a second gear and a driving motor. The slurry storage barrel comprises a barrel body and a slurry outlet pipe, the barrel body is connected to the mounting base and provided with a containing cavity, the slurry outlet pipe is connected to the barrel body, and a slurry injection opening is formed in the barrel body and communicated with the containing cavity; the piston rod comprises a piston head and a screw rod, the piston head is arranged in the slurry storage cylinder, and the screw rod is fixedly connected to the piston head; a threaded through hole is formed in the center of the first gear and is in threaded connection with the screw rod; the second gear is meshed with the first gear; the driving motor is mounted on the mounting base, and the output end of the driving motor is connected to the second gear. Mortar can be injected into the bottom of an installation gap, mortar filling of the gap is achieved, operation is convenient, and manpower is saved.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a prefabricated staircase sealing device. Background Technology

[0002] Staircases are components in buildings that serve as vertical transportation links between floors, particularly when there are significant differences in floor level. In recent years, prefabricated staircases have been proposed in staircase construction. Prefabricated staircases refer to transferring a large amount of on-site work from traditional construction methods to factories. Staircases are manufactured in factories using molds, transported to the construction site, and assembled on-site using reliable connection methods.

[0003] There will be an installation gap between the assembled staircase structure and the platform. In the existing technology, mortar is usually filled into the gap manually with a small shovel. The operation is cumbersome, time-consuming and labor-intensive. Moreover, for deeper and narrower gaps, it is difficult to fill the mortar to the bottom of the gap with this method. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a prefabricated staircase grouting device, comprising a mounting base, a grout storage cylinder, a piston rod, a first gear, a second gear, and a drive motor. The grout storage cylinder includes a cylinder body and a grout outlet pipe. The cylinder body is connected to the mounting base and has a receiving cavity. The grout outlet pipe is connected to the cylinder body, and the cylinder body has a grout injection port that communicates with the receiving cavity. The piston rod includes a piston head and a screw. The piston head is located inside the grout storage cylinder, and the screw is fixedly connected to the piston head. The first gear has a threaded through hole at its center, and the threaded through hole is threadedly connected to the screw. The second gear meshes with the first gear. The drive motor is mounted on the mounting base, and the output end of the drive motor is connected to the second gear.

[0005] Furthermore, the mounting base includes a first clamping block, a second clamping block, and fasteners. The slurry storage cylinder also includes a connecting part, which is fixedly connected to the cylinder body. The first clamping block and the second clamping block are respectively provided on both sides of the connecting part, and the fasteners are fastened to the first clamping block and the second clamping block.

[0006] Furthermore, the mounting base has a mounting hole for the piston rod to pass through.

[0007] Furthermore, it also includes a grouting pipe connected to the cylinder, the grouting pipe having a grouting channel that is connected to the grouting port.

[0008] Furthermore, it also includes a sealing cap, which is detachably connected to the grouting pipe.

[0009] Furthermore, it also includes a handle, which is connected to the mounting base.

[0010] Furthermore, the slurry outlet pipe includes a connector and a rectangular pipe, the connector being fixedly connected to the rectangular pipe and the connector being detachably connected to the cylinder.

[0011] Furthermore, the cylinder has a connecting nozzle with an internal thread, the connecting head has an external thread, and the internal thread is threadedly connected to the external thread.

[0012] Furthermore, the length of the piston rod is greater than or equal to the length of the cylinder.

[0013] Furthermore, a silicone strip is provided around the periphery of the piston head.

[0014] The beneficial effects of this utility model are as follows:

[0015] The mortar storage cylinder stores mortar. After the mortar is prepared, it is injected into the receiving cavity through the injection port. Then, the mortar outlet pipe is placed into the gap, and the drive motor is started. The drive motor drives the second gear to rotate, which in turn drives the first gear to rotate. Since the threaded through hole on the first gear is threadedly connected to the screw, when the first gear rotates, it drives the screw to feed along its length, thereby driving the piston head to move. When the piston head moves towards the mortar outlet pipe, it pushes the mortar in the storage cylinder out of the outlet pipe, filling the gap. Because the outlet pipe is a long and narrow rectangular pipe, it can easily extend to the bottom of the gap, thus facilitating the filling of the gap to the bottom with mortar. Moreover, the filling process can be achieved by using a drive motor to extrude mortar, making the operation convenient and saving manpower. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0017] Figure 1 This is a schematic diagram of the prefabricated staircase sealing device provided in this embodiment of the utility model.

[0018] Figure 2 This is a front view of the prefabricated stair grouting device provided in this embodiment of the utility model.

[0019] Figure 3 yes Figure 2 Sectional view at point AA.

[0020] Figure 4 This is a top view of the prefabricated staircase sealing device provided in this embodiment of the utility model.

[0021] Figure 5 yes Figure 4 Sectional view at point BB.

[0022] In the diagram: 1. Mounting base; 2. Grout storage cylinder; 3. Piston rod; 4. First gear; 5. Second gear; 6. Drive motor; 7. Grouting pipe; 8. Sealing cap; 9. Handle; 11. First clamping block; 12. Second clamping block; 13. Fastener; 14. Mounting hole; 21. Cylinder body; 22. Grout outlet pipe; 23. Connecting part; 31. Piston head; 32. Screw; 41. Threaded through hole; 211. Receiving cavity; 212. Grouting port; 213. Connecting nozzle; 221. Connecting head; 222. Rectangular pipe. Detailed Implementation

[0023] The technical solution of this 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 in the embodiments of this utility model can be combined with each other. For ease of description, the words "upper," "lower," "left," and "right" appearing below only indicate that they are consistent with the upper, lower, left, and right directions of the drawings themselves, and do not limit the structure.

[0024] like Figures 1 to 5As shown, this utility model proposes a prefabricated staircase sealing device, including a mounting base 1, a grout storage cylinder 2, a piston rod 3, a first gear 4, a second gear 5, and a drive motor 6; the grout storage cylinder 2 includes a cylinder body 21 and a grout outlet pipe 22, the cylinder body 21 is connected to the mounting base 1, the cylinder body 21 has a receiving cavity 211, the grout outlet pipe 22 is connected to the cylinder body 21, the cylinder body 21 has a grout injection port 212, and the grout injection port 212 is connected to the receiving cavity 211; the piston rod 3 includes a piston head 31 and a screw 32, the piston head 31 is located inside the grout storage cylinder 2, and the screw 32 is fixedly connected to the piston head 31; the first gear 4 has a threaded through hole 41 in its center, and the threaded through hole 41 is threadedly connected to the screw 32; the second gear 5 meshes with the first gear 4; the drive motor 6 is mounted on the mounting base 1, and the output end of the drive motor 6 is connected to the second gear 5. Specifically, the mortar storage cylinder is used to store mortar. After the mortar is prepared, it is injected into the receiving cavity through the grouting port 212. Then, the mortar outlet pipe 22 is placed into the gap. Then, the drive motor 6 is started. The drive motor 6 drives the second gear 5 to rotate. The second gear 5 drives the first gear 4 to rotate. Since the threaded through hole 41 on the first gear 4 is threadedly connected to the screw 32, when the first gear 4 rotates, it will drive the screw 32 to feed along its length, thereby driving the piston head to move. When the piston head moves in the direction of the mortar outlet pipe 22, the piston head 31 will push the mortar in the mortar storage cylinder 2 to be squeezed out from the mortar outlet pipe 22. The mortar squeezed out from the mortar outlet pipe 22 will fill the gap. Because the grout outlet pipe 22 is a long and narrow rectangular pipe, it can easily extend to the bottom of the gap, thus facilitating the filling of the gap with mortar. Then, the grout outlet pipe 22 is slowly moved upwards along the length of the gap. During this movement, the grout outlet pipe 22 can also be moved downwards to compact the mortar until the entire gap is filled, thus completing the gap filling process. When mortar needs to be re-injected, the screw is first driven in the opposite direction by the drive motor, causing the piston head to move to the upper part of the cylinder. Then, mortar is injected into the cylinder through the injection port 212.

[0025] In one embodiment, the mounting base 1 includes a first clamping block 11, a second clamping block 12, and a fastener 13. The slurry storage cylinder 2 also includes a connecting portion 23, which is fixedly connected to the cylinder body 21. The first clamping block 11 and the second clamping block 12 are respectively provided on both sides of the connecting portion 23, and the fastener 13 securely connects the first clamping block 11 and the second clamping block 12. Specifically, the first clamping block 11 and the second clamping block 12 clamp and fix the connecting portion, thereby realizing the installation of the slurry storage cylinder 2. Further, the connecting portion is a wing-shaped protrusion, which enables the slurry storage cylinder 2 to be detachably installed by clamping and fixing, so as to facilitate the removal of the slurry storage cylinder 2 for cleaning or maintenance and replacement.

[0026] In one embodiment, the mounting base 1 has a mounting hole 14 for the piston rod to pass through. The mounting hole 14 allows the piston rod to move.

[0027] In one embodiment, the system further includes a grouting pipe 7 connected to the cylinder 21. The grouting pipe 7 has a grouting channel 71 connected to the grouting port 212. Grouting pipe allows for convenient injection of mortar into the cylinder 21. Preferably, the right end of the opening of the grouting pipe 7 is funnel-shaped.

[0028] In one embodiment, a sealing cap 8 is further included, which is detachably connected to the grouting pipe 7. The sealing cap 8 is used to seal the opening of the grouting pipe 7 to prevent debris from entering the cylinder.

[0029] In one embodiment, a handle 9 is also included, which is connected to the mounting base 1. The handle 9 is available for the user to hold, facilitating movement.

[0030] In one embodiment, the slurry outlet pipe 22 includes a connector 221 and a rectangular pipe 222. The connector 221 is fixedly connected to the rectangular pipe 222, and the connector 221 is detachably connected to the cylinder 21. The connector 221 is detachably connected, which facilitates the removal of the slurry outlet pipe 22 for cleaning or replacement and maintenance.

[0031] In one embodiment, the cylinder 21 has a connecting nozzle 213 with an internal thread, and the connector 221 has an external thread, with the internal threads connected to each other. This threaded connection method ensures a stable and reliable connection.

[0032] In one embodiment, the length of the piston rod 3 is greater than or equal to the length of the cylinder 21, in order to squeeze out as much mortar as possible from the cylinder 21.

[0033] In one embodiment, a silicone strip is provided around the piston head 31. The silicone strip can achieve a seal between the piston head and the inner wall of the cylinder 21, preventing mortar from leaking to the upper part of the cylinder during the movement of the piston head.

[0034] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A prefabricated staircase caulking device, characterized in that, include: Mounting base; A slurry storage cylinder includes a cylinder body and a slurry outlet pipe. The cylinder body is connected to a mounting base and has a receiving cavity. The slurry outlet pipe is connected to the cylinder body and has a slurry injection port that communicates with the receiving cavity. A piston rod includes a piston head and a screw, wherein the piston head is disposed inside the slurry storage cylinder and the screw is fixedly connected to the piston head; The first gear has a threaded through hole at its center, and the threaded through hole is threadedly connected to the screw. The second gear meshes with the first gear; A drive motor is mounted on the mounting base, and the output end of the drive motor is connected to the second gear.

2. The prefabricated staircase sealing device according to claim 1, characterized in that, The mounting base includes a first clamping block, a second clamping block, and fasteners. The slurry storage cylinder also includes a connecting part, which is fixedly connected to the cylinder body. The first clamping block and the second clamping block are respectively provided on both sides of the connecting part, and the fasteners are fastened to the first clamping block and the second clamping block.

3. The prefabricated staircase sealing device according to claim 2, characterized in that, The mounting base has a mounting hole for the piston rod to pass through.

4. The prefabricated staircase sealing device according to claim 1, characterized in that, It also includes a grouting pipe connected to the cylinder, the grouting pipe having a grouting channel that is connected to the grouting port.

5. The precast staircase sealing device according to claim 4, characterized in that, It also includes a sealing cap, which is detachably connected to the grouting pipe.

6. The prefabricated staircase sealing device according to claim 1, characterized in that, It also includes a handle, which is connected to the mounting base.

7. The prefabricated staircase sealing device according to claim 1, characterized in that, The slurry outlet pipe includes a connector and a rectangular pipe. The connector is fixedly connected to the rectangular pipe and is detachably connected to the cylinder.

8. The prefabricated staircase sealing device according to claim 7, characterized in that, The cylinder has a connecting nozzle with an internal thread, and the connecting head has an external thread, with the internal thread and the external thread being threadedly connected.

9. The prefabricated staircase sealing device according to claim 1, characterized in that, The length of the piston rod is greater than or equal to the length of the cylinder.

10. The prefabricated staircase sealing device according to claim 1, characterized in that, The piston head is provided with a silicone strip around its periphery.

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