Constructional engineering hollowing detection hammer

The hollow detection hammer for construction projects that integrates a detection hammer and a marking pen solves the problems of the existing technology of single detection hammer function and difficulty in marking high walls, and realizes convenient hollow detection and marking functions.

CN223400864UActive Publication Date: 2025-09-30LAIYANG MUNICIPAL HOUSING & URBAN-RURAL DEV BUREAU
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Patent Information

Application Number
CN202422032978.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-09-30
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The existing hollowing detection hammer has a single function and cannot conveniently mark the faulty wall surface when it is detected. In addition, it is difficult to detect high walls.

Method used

A hollowing detection hammer for construction projects is designed, which integrates the functions of a detection hammer and a marking pen. The extension and angle adjustment of the detection hammer and the marking pen are achieved through the combination of a rotating block and a sliding slot, and the fixing and replacement of the marking pen are achieved through the structure of an expansion disk and an extrusion sheet.

Benefits of technology

It enables convenient marking of the wall surface when detecting hollowing phenomena, and can adjust the angles of the detection hammer and marking pen to adapt to the requirements of marking pens of different sizes, thereby improving detection efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building engineering hollowing detection hammer which comprises a telescopic rod, connecting seats are fixedly connected to the two sides of the top of the telescopic rod, rotating grooves are formed in the upper portions of the connecting seats, hexagonal rotating blocks are rotationally connected into the rotating grooves, and limiting pieces are fixedly connected to the sides, facing each other, of the rotating blocks on the two sides. The other side of the limiting piece is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a mounting cylinder, the interior of one side of the mounting cylinder is in threaded connection with a detection hammer, the interior of the other end of the mounting cylinder is slidably connected with a marking pen, and a sliding groove communicated with the rotating groove is formed in the connecting base. An insertion hole is formed in the upper portion of the telescopic rod, the function of a marking pen can be added to the detection hammer, the detected problem wall surface can be marked conveniently, the angle of the detection hammer and the angle of the marking pen can be adjusted, and use of the marking pen is facilitated.
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Description

Technical Field

[0001] The utility model relates to the field of construction engineering, in particular to a hollowing detection hammer for construction engineering. Background Art

[0002] A hollowing hammer, also known as a hollowing hammer, is a tool specifically designed to detect hollowing in walls, floors, and ceilings. It uses the difference in sound produced when struck to determine if a wall, floor, or ceiling has hollows. When striking a solid surface, the sound is dull; however, when striking a hollow surface, the sound becomes crisp and hollow due to the presence of air.

[0003] The existing detection hammer has a single function and can only detect hollow areas in the front. For walls where faults are detected, due to the high height of the walls, other equipment is needed to mark the walls, making the Australian hollow detection process difficult. Utility Model Content

[0004] The purpose of the utility model is to provide a construction engineering hollowing detection hammer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction engineering hollowing detection hammer, comprising a telescopic rod, wherein the top two sides of the telescopic rod are fixedly connected to a connecting seat, a rotating groove is provided on the upper part of the connecting seat, a hexagonal rotating block is rotatably connected inside the rotating groove, the rotating blocks on both sides are fixedly connected to a limiting plate on one side facing each other, the other side of the limiting plate is fixedly connected to a connecting rod, the other end of the connecting rod is fixedly connected to a mounting tube, a detection hammer is threadedly connected to the internal side of the mounting tube, a marking pen is slidably connected to the internal side of the other end of the mounting tube, a sliding groove communicating with the rotating groove is provided inside the connecting seat, and an insertion hole is provided on the upper part of the telescopic rod.

[0006] Preferably, the width of the sliding groove is the same as the distance between two parallel sides of the rotating block.

[0007] Preferably, a locking hole is provided on the side of the rotating block away from the limiting piece, and connecting frames are fixedly connected to the lower parts of both sides of the connecting seat, and locking screws that match the locking holes are threadedly connected inside the connecting frames.

[0008] Preferably, an embedding groove for matching the rotating block is provided inside the connecting seat.

[0009] Preferably, an expansion disk is provided on the inner side of the lower part of the mounting tube, and both sides of the expansion disk are close to the inner wall of the mounting tube. A connecting ring is rotatably connected to the inside of the lower side of the mounting tube, a rotating ring is fixedly connected to the outside of the connecting ring, a threaded ring is fixedly connected to the inside of the connecting ring, a threaded rod is threadedly connected to the inside of the threaded ring, and several groups of extrusion plates are fixedly connected to the inside of the expansion disk. Mounting holes are opened at the upper and lower ends of the expansion disk, and the marking pen sleeve is arranged inside the mounting hole.

[0010] Preferably, a handle is fixedly connected to the lower portion of the telescopic rod.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model rotates the rotating block around the rotating groove, and the connecting rod drives the installation cylinder to rotate, thereby extending the detection hammer and the marking pen respectively. The rotating block slides along the sliding groove, so that the detection hammer and the marking pen are respectively inserted into the insertion hole to protect the equipment. The sliding groove limits the angle of the hexagonal rotating block, and the angles of the detection hammer and the marking pen are adjusted. The marking pen function can be added to the detection hammer, making it convenient to mark the detected problem wall surface. The angles of the detection hammer and the marking pen can be adjusted, making it convenient to use the marking pen.

[0013] 2. The utility model also rotates the rotating ring and the connecting ring drives the threaded ring to rotate, so that the threaded rod cooperates with the inner wall of the mounting tube to squeeze the expansion disk downward, so that the squeezing sheet squeezes the marking pen in the mounting hole, fixes the marking pen, facilitates the replacement of the marking pen, and can install marking pens of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;

[0015] Figure 2 This is a schematic diagram of the installation tube structure of the utility model from the second viewing angle;

[0016] Figure 3 This is a cross-sectional view of the installation tube structure from the third perspective of the utility model;

[0017] Figure 4 This is a schematic diagram of the expansion disk structure of the utility model from the fourth perspective.

[0018] In the figure: 1. Telescopic rod; 2. Handle; 3. Connecting seat; 4. Rotating groove; 5. Sliding groove; 6. Embedding groove; 7. Rotating block; 8. Limiting plate; 9. Connecting rod; 10. Mounting cylinder; 11. Detection hammer; 12. Connecting ring; 13. Rotating ring; 14. Threaded ring; 15. Threaded rod; 16. Expansion disk; 17. Extrusion plate; 18. Mounting hole; 19. Marking pen; 20. Locking hole; 21. Connecting frame; 22. Locking screw; 23. Insertion hole. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-4 The utility model provides a technical solution: a construction engineering hollow drum detection hammer, comprising a telescopic rod 1, with connecting seats 3 fixedly welded on both sides of the top of the telescopic rod 1, a rotating groove 4 is opened on the upper part of the connecting seat 3, and a hexagonal rotating block 7 is rotatably installed in the rotating groove 4, and the rotating blocks 7 on both sides are fixedly welded with a limiting piece 8 facing one side to prevent the rotating block 7 from disengaging from the rotating groove 4. The other side of the limiting piece 8 is fixedly welded with a connecting rod 9, and the other end of the connecting rod 9 is fixedly welded with a mounting tube 10. A detection hammer 11 is internally threadedly connected to one side of the mounting tube 10, and a marking pen 19 is slidably installed inside the other end of the mounting tube 10. By rotating the rotating block 7 around the rotating groove 4, the mounting tube 10 is driven to rotate by the connecting rod 9, so that the detection hammer 11 and the marking pen 19 are respectively extended. A sliding groove 5 communicating with the rotating groove 4 is opened inside the connecting seat 3, and an insertion hole 23 is opened on the upper part of the telescopic rod 1. By sliding the rotating block 7 along the sliding groove 5, the detection hammer 11 and the marking pen 19 are respectively inserted into the insertion hole 23 to protect the equipment.

[0021] The width of the sliding groove 5 is the same as the distance between the two parallel sides of the rotating block 7, which is used to prevent the rotating block 7 from rotating in the sliding groove 5, and can adjust the angles of the detection hammer 11 and the marking pen 19 by limiting the angle of the hexagonal rotating block 7; a locking hole 20 is provided on the side of the rotating block 7 away from the limit plate 8, and a connecting frame 21 is fixedly welded to the lower part of both sides of the connecting seat 3. The internal thread of the connecting frame 21 is connected with a locking screw 22 that matches the locking hole 20. The locking screw 22 is inserted into the locking hole 20 to lock the rotating block 7; an embedding groove 6 that matches the rotating block 7 is provided inside the connecting seat 3, which facilitates the insertion of the lower part of the rotating block 7 into the embedding groove 6; an expansion disk 16 is provided on the inner side of the lower part of the mounting cylinder 10, and the two sides of the expansion disk 16 are close to the mounting cylinder 1 0 inner wall, a connecting ring 12 is rotatably installed inside the lower side of the mounting cylinder 10, a rotating ring 13 is fixedly welded to the outside of the connecting ring 12, a threaded ring 14 is fixedly welded inside the connecting ring 12, a threaded rod 15 is threadedly connected to the threaded ring 14, and a plurality of groups of extrusion sheets 17 are fixedly welded inside the expansion disk 16. Mounting holes 18 are provided at the upper and lower ends of the expansion disk 16, and a marking pen 19 is sleeved inside the mounting hole 18. By rotating the rotating ring 13, the connecting ring 12 drives the threaded ring 14 to rotate, so that the threaded rod 15 downwardly cooperates with the inner wall of the mounting cylinder 10 to squeeze the expansion disk 16, and the extrusion sheet 17 squeezes the marking pen 19 in the mounting hole 18, thereby fixing the marking pen 19 and facilitating the replacement of the marking pen 19. A handle 2 is fixedly welded to the lower part of the telescopic rod 1.

[0022] Working principle: When the utility model is in use, the rotating block 7 is rotated around the rotating groove 4, and the mounting tube 10 is driven to rotate through the connecting rod 9, so that the detection hammer 11 and the marking pen 19 are extended respectively, and the rotating block 7 is slid along the sliding groove 5, so that the detection hammer 11 and the marking pen 19 are respectively inserted into the insertion hole 23, and the lower part of the rotating block 7 is inserted into the embedding groove 6 to protect the equipment. The angle of the hexagonal rotating block 7 is limited by the sliding groove 5, and the angle of the detection hammer 11 and the marking pen 19 is adjusted. The locking screw 22 is inserted into the locking hole 20 to fix the position of the rotating block 7. By rotating the rotating ring 13, the connecting ring 12 drives the threaded ring 14 to rotate, so that the threaded rod 15 cooperates with the inner wall of the mounting tube 10 to squeeze the expansion disk 16 downward, and the extrusion sheet 17 squeezes the marking pen 19 in the mounting hole 18, thereby fixing the marking pen 19 and facilitating the replacement of the marking pen 19.

[0023] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction engineering hollowing detection hammer, comprising a telescopic rod (1), characterized in that: The top of the telescopic rod (1) is fixedly connected to a connecting seat (3) on both sides, a rotating groove (4) is provided on the top of the connecting seat (3), a hexagonal rotating block (7) is rotatably connected inside the rotating groove (4), the rotating blocks (7) on both sides are fixedly connected to a limiting plate (8) on one side facing each other, the other side of the limiting plate (8) is fixedly connected to a connecting rod (9), the other end of the connecting rod (9) is fixedly connected to a mounting tube (10), a detection hammer (11) is internally threadedly connected to one side of the mounting tube (10), and a marking pen (19) is slidably connected to the other end of the mounting tube (10), a sliding groove (5) communicating with the rotating groove (4) is provided inside the connecting seat (3), and an insertion hole (23) is provided on the top of the telescopic rod (1).

2. A construction engineering hollowing detection hammer according to claim 1, characterized in that: The width of the sliding groove (5) is the same as the distance between the two parallel sides of the rotating block (7).

3. A construction engineering hollowing detection hammer according to claim 1, characterized in that: A locking hole (20) is provided on one side of the rotating block (7) away from the limiting piece (8), and connecting frames (21) are fixedly connected to the lower parts of both sides of the connecting seat (3). The connecting frames (21) are internally threadedly connected with locking screws (22) that match the locking holes (20).

4. A construction engineering hollowing detection hammer according to claim 1, characterized in that: An embedding groove (6) for matching the rotating block (7) is provided inside the connecting seat (3).

5. A construction engineering hollowing detection hammer according to claim 1, characterized in that: An expansion disk (16) is sleeved on the inner side of the lower part of the mounting tube (10), and both sides of the expansion disk (16) are tightly attached to the inner wall of the mounting tube (10). A connecting ring (12) is rotatably connected to the inner side of the lower side of the mounting tube (10), and a rotating ring (13) is fixedly connected to the outer side of the connecting ring (12). A threaded ring (14) is fixedly connected to the inner side of the connecting ring (12), and a threaded rod (15) is threadedly connected to the inner side of the threaded ring (14). A plurality of groups of extrusion sheets (17) are fixedly connected to the inner side of the expansion disk (16). Mounting holes (18) are provided at the upper and lower ends of the expansion disk (16), and the marking pen (19) is sleeved inside the mounting hole (18).

6. A construction engineering hollowing detection hammer according to claim 1, characterized in that: The lower part of the telescopic rod (1) is fixedly connected to a handle (2).