A hammer for detecting hollow walls

Abstract

This utility model relates to the field of building structure inspection and maintenance technology, specifically disclosing a hammer for detecting hollow spots in walls. It includes a hammer handle, hammer head, hammer ball, hammer tail, and a marker pen. A bolt is located at the top of the hammer handle, and the hammer head is fitted onto the outside of the bolt. The hammer head is detachably connected to the bolt via a connecting device. The hammer ball and hammer tail are respectively located at the left and right ends of the hammer head. The marker pen is located on the side of the hammer tail furthest from the hammer head and is detachably connected to the hammer tail. When the hammer tail touches the hollow spot, the marker pen marks the hollow point, thus avoiding omissions and repeated inspections later, allowing construction workers to quickly locate the areas needing repair and improving rectification efficiency. The marker pen is detachably connected to the hammer tail, and the hammer head is detachably connected to the bolt. This modular design facilitates independent replacement of each component, reducing maintenance costs.

Description

Technical Field

[0001] This utility model relates to the field of building structure inspection and maintenance technology, and in particular to a hammer for detecting hollow walls. Background Technology

[0002] A hollow hammer is a tool used to detect hollow areas in building structures. It typically consists of a handle and a metal ball. During construction or repair of buildings, a hollow hammer can be used to tap walls or floors to detect the presence of hollow areas. Hollow areas refer to a phenomenon where the bonding between building materials and the substrate is not strong, resulting in a hollow and reverberating sound.

[0003] For example, patent application number CN202322373362.2 discloses a hollow-spotting hammer, including a hammer handle assembly and a housing. The bottom end of the hammer handle assembly is fitted with an anti-loss strap, and a hinge block is fixedly installed at the top of the hammer handle assembly. A U-shaped frame is fixedly installed on the bottom surface of the housing. The hinge block and the U-shaped frame are hinged together via a damping shaft. This hollow-spotting hammer, by rotating a knob, contacts the surface of the U-shaped frame, thereby locking the U-shaped frame and the hinge block. This causes the housing and hammer handle assembly to be tilted, facilitating use in confined spaces. The hammer handle assembly allows the hollow-spotting hammer head to strike the wall. The striking of the hammer head on the wall compresses the ink supply component inside the housing, drawing ink into the stamp. The stamp then adheres to the wall, marking the surface. However, the hammerhead and the ink cartridge used for marking are located at the left and right ends of the hammer body, respectively. The hammerhead and the stamp are fixed to the hammer body in a non-removable manner. Therefore, if the hammerhead or the stamp is damaged after long-term use, the entire hammer needs to be replaced, resulting in high maintenance costs. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a wall hollow detection hammer to overcome the shortcomings of existing methods.

[0005] To achieve the purpose of this utility model, the present utility model is implemented through the following technical solution: a hammer for detecting hollow walls, comprising:

[0006] Hammer handle, with a bolt at the top of the hammer handle, the bolt being fixedly connected to the hammer handle;

[0007] The hammerhead is fitted onto the outside of the bolt rod and is detachably connected to the bolt rod via a connecting device.

[0008] The hammer ball and hammer tail are respectively located at the left and right ends of the hammer head, and the hammer ball and hammer tail are fixedly connected to the hammer head;

[0009] The marker is located on the side of the hammer tail away from the hammer head, and the marker is detachably connected to the hammer tail.

[0010] A further improvement is that the connecting device includes a threaded hole and a tightening nut. The threaded hole is located in the center of the hammer head, the bolt passes through the threaded hole and is threadedly connected to the threaded hole, and the tightening nut is located on the top of the hammer head, and is fitted on the outside of the bolt and threadedly connected to the bolt.

[0011] A further improvement is that: a threaded groove is provided on the side of the hammer tail away from the hammer head, a marker pen is inserted into the threaded groove, an external thread is provided on the outside of the marker pen, the external thread is threadedly connected to the threaded groove, and a pen tip is provided on the end of the marker pen away from the hammer tail.

[0012] A further improvement is that a sealing cap is provided on the side of the hammer tail away from the hammer head. The sealing cap is fitted over the outside of the pen tip. The sealing cap is detachably connected to the hammer tail through a snap-fit ​​structure. The sealing cap is fixedly connected to the connecting strip located on the outside of the hammer tail.

[0013] A further improvement is that the buckle structure includes multiple spherical buckles, which are fixedly connected to the side of the sealing cover facing the hammer tail, and engage with the buckles in the slots opened on the outside of the hammer tail.

[0014] A further improvement is that the sealing cap has a connecting ear on the side away from the snap-fit ​​structure to facilitate gripping the sealing cap.

[0015] A further improvement is that a handle ring is provided at the bottom of the hammer handle, and the handle ring is fixedly connected to the hammer handle.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] The hammer tail touches the hollow area, and a marker on the hammer tail marks the hollow point, preventing omissions and repeated inspections later. This allows construction workers to quickly locate the areas needing repair, improving rectification efficiency. The marker is detachably connected to the hammer tail, and the hammer head is detachably connected to the bolt rod; this split design facilitates independent replacement of each component, reducing maintenance costs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural diagram of the hammer handle in this utility model.

[0020] Figure 2 This is a structural diagram of the hammer ball in this utility model.

[0021] Figure 3This is a structural diagram of the hammer head and marker pen after being separated in this utility model.

[0022] Figure 4 This is a structural diagram of the hammer head and bolt rod after disassembly in this utility model.

[0023] Figure 5 This is a structural diagram of the sealing cap in this utility model.

[0024] The components are: 1. Hammer handle; 2. Handle ring; 3. Hammer head; 4. Bolt rod; 5. Threaded hole; 6. Tightening nut; 7. Hammer ball; 8. Hammer tail; 9. Sealing cap; 10. Connecting strap; 11. Marker pen; 12. Threaded groove; 13. Slot; 14. External thread; 15. Pen tip; 16. Ball buckle; 17. Connecting lug. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0026] according to Figure 1 , 2 As shown in Figures 3, 4, and 5, this embodiment proposes a hammer for detecting hollow walls, comprising:

[0027] Hammer handle 1, with a bolt 4 at the top of the hammer handle 1, the bolt 4 being fixedly connected to the hammer handle 1;

[0028] Hammer head 3 is sleeved on the outside of bolt rod 4, and hammer head 3 is detachably connected to bolt rod 4 through a connecting device;

[0029] Hammer ball 7 and hammer tail 8 are respectively set at the left and right ends of hammer head 3, and hammer ball 7 and hammer tail 8 are fixedly connected to hammer head 3;

[0030] Hold the hammer handle 1 and strike the wall with the hammer ball 7 on the hammer head 3. When the hammer ball 7 strikes the surface of the object, if there are no gaps inside the object, the vibration will be transmitted through the striking object, and the sound will be crisp and the echo will be short. However, if there are hollows, the vibration transmission will be blocked and resonance will be formed in the gaps, producing a dull, hollow sound with a long echo.

[0031] The marker 11 is located on the side of the hammer tail 8 away from the hammer head 3, and the marker 11 is detachably connected to the hammer tail 8.

[0032] After determining the location of the hollow area, rotate the hammer handle 1 and use the hammer tail 8 to touch the hollow area. The marker pen 11 on the hammer tail 8 will mark the hollow point, thus avoiding omissions and repeated inspections later, allowing construction personnel to quickly find the parts that need repair and improving rectification efficiency. The marker pen 11 is detachably connected to the hammer tail 8, and the hammer head 3 is detachably connected to the bolt 4. The split design facilitates independent replacement of each component and reduces maintenance costs.

[0033] To facilitate the replacement of hammer head 3, hammer head 3 is installed on bolt rod 4 in a detachable connection manner. Specifically, the connection device includes threaded hole 5 and tightening nut 6. Threaded hole 5 is opened in the center of hammer head 3. Bolt rod 4 passes through threaded hole 5 and is threadedly connected to threaded hole 5. Tightening nut 6 is set on top of hammer head 3. Tightening nut 6 is sleeved on the outside of bolt rod 4 and is threadedly connected to bolt rod 4.

[0034] The hammer head 3 is prevented from loosening by setting a loosening nut 6. When removing the hammer head 3 from the bolt rod 4, rotate the loosening nut 6 to unscrew the loosening nut 6 from the top of the bolt rod 4, and then rotate the hammer head 3 to unscrew the hammer head 3 from the top of the bolt rod 4.

[0035] To facilitate replacement of the marker pen 11, the marker pen 11 is also detachably connected to the hammer tail 8. Specifically, the hammer tail 8 has a threaded groove 12 on the side away from the hammer head 3. The marker pen 11 is inserted into the threaded groove 12. The outer side of the marker pen 11 has an external thread 14, which is threadedly connected to the threaded groove 12. The end of the marker pen 11 away from the hammer tail 8 has a pen tip 15. Similarly, when removing the marker pen 11 from the hammer tail 8, simply rotate the marker pen 11 to unscrew it from the threaded groove 12.

[0036] To prevent the pen tip 15 from being exposed for extended periods, which could lead to ink evaporation, causing the tip to dry out and harden, affecting subsequent use, in a preferred embodiment, a sealing cap 9 is provided on the side of the hammer tail 8 furthest from the hammer head 3. The sealing cap 9 is fitted over the outside of the pen tip 15 and is detachably connected to the hammer tail 8 via a snap-fit ​​structure. The sealing cap 9 is also fixedly connected to the connecting strap 10 located on the outside of the hammer tail 8. When the hammer is not in use, the sealing cap 9 is fastened onto the hammer tail 8. The sealing cap 9 effectively isolates the air, keeping the pen tip clean while slowing down ink evaporation from the pen tip 15, thus extending the lifespan of the marker pen 11.

[0037] Specifically, the snap-fit ​​structure includes multiple spherical snap-fits 16, which are fixedly connected to the side of the sealing cover 9 facing the hammer tail 8. The spherical snap-fits 16 engage with the slots 13 formed on the outside of the hammer tail 8. When using the marker pen 11, simply pull the sealing cover 9 to remove the spherical snap-fits 16 from the slots 13.

[0038] In a preferred embodiment, the sealing cover 9 is provided with a connecting ear 17 on the side away from the snap-fit ​​structure to facilitate gripping of the sealing cover 9.

[0039] In a preferred embodiment, a handle ring 2 is provided at the bottom of the hammer handle 1, and the handle ring 2 is fixedly connected to the hammer handle 1. When not in use, the hammer can be hung on a tool rack or hook via the handle ring 2, saving space and making it easy to access. In addition, the handle ring 2 fixed to the tail of the hammer handle 1 can also serve as a counterweight to balance the weight of the hammer head 3 and improve the grip.

[0040] How this application works:

[0041] Holding the hammer handle 1, strike the wall using the hammer ball 7 on the hammer head 3. When the hammer ball 7 strikes the surface of an object, if there are no gaps inside, the sound is crisp and the echo is short. However, if there are hollow areas, the vibration transmission is obstructed, and resonance occurs at the gaps, producing a dull, hollow sound with a long echo. After determining the location of the hollow areas, rotate the hammer handle 1 and use the hammer tail 8 to touch the hollow areas. The marker pen 11 on the hammer tail 8 will mark the hollow points, thus avoiding omissions and repeated checks later, allowing construction workers to quickly find the parts that need repair and improving the efficiency of the rectification.

[0042] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0043] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A wall-hollowness-detecting knocking hammer, characterized by, include: Hammer handle (1), the top of the hammer handle (1) is provided with a bolt (4), the bolt (4) is fixedly connected to the hammer handle (1); Hammer head (3) is sleeved on the outside of the bolt rod (4), and the hammer head (3) is detachably connected to the bolt rod (4) through a connecting device; Hammer ball (7) and hammer tail (8) are respectively disposed at the left and right ends of the hammer head (3), and the hammer ball (7) and the hammer tail (8) are fixedly connected to the hammer head (3); A marker (11) is located on the side of the hammer tail (8) away from the hammer head (3), and the marker (11) is detachably connected to the hammer tail (8).

2. The wall hollow detection knocking hammer according to claim 1, characterized in that: The connecting device includes a threaded hole (5) and a tightening nut (6). The threaded hole (5) is located in the center of the hammer head (3). The bolt (4) passes through the threaded hole (5) and is threadedly connected to the threaded hole (5). The tightening nut (6) is located on the top of the hammer head (3). The tightening nut (6) is sleeved on the outside of the bolt (4) and is threadedly connected to the bolt (4).

3. The wall hollowing detection knocking hammer according to claim 1, characterized in that: The hammer tail (8) has a threaded groove (12) on the side away from the hammer head (3). The marker pen (11) is inserted into the threaded groove (12). The marker pen (11) has an external thread (14) on the outside. The external thread (14) is threadedly connected to the threaded groove (12). The marker pen (11) has a pen tip (15) at the end away from the hammer tail (8).

4. The wall hollow detection hammer according to claim 3, characterized in that: The hammer tail (8) is provided with a sealing cover (9) on the side away from the hammer head (3). The sealing cover (9) is sleeved on the outside of the pen tip (15). The sealing cover (9) is detachably connected to the hammer tail (8) through a snap-fit ​​structure. The sealing cover (9) is fixedly connected to the connecting strip (10) provided on the outside of the hammer tail (8).

5. The wall hollow detection hammer according to claim 4, characterized in that: The buckle structure includes multiple spherical buckles (16), which are fixedly connected to the side of the sealing cover (9) facing the hammer tail (8) and engage with the slot (13) opened on the outside of the hammer tail (8).

6. The wall hollow detection hammer according to claim 4, characterized in that: The sealing cap (9) has a connecting ear (17) on the side away from the snap-fit ​​structure to facilitate gripping of the sealing cap (9).

7. The wall hollow detection hammer according to claim 1, characterized in that: The hammer handle (1) has a handle ring (2) at the bottom, and the handle ring (2) is fixedly connected to the hammer handle (1).

Images