Empty drum detection hammer

Abstract

The utility model discloses a hollowing detection hammer, which relates to the technical field of hollowing detection and comprises a hollow handle, the upper end of the hollow handle is fixedly connected with a sleeve rod, a hollow square rod is slidably connected in the sleeve rod, the inner bottom surface of the sleeve rod is rotatably connected with a first threaded rod, and the first threaded rod is in threaded connection with the lower wall of the hollow square rod. A motor is fixedly connected to the position, located in the hollow handle, of the bottom face of the sleeve rod, the lower end of the first threaded rod penetrates through the bottom face of the sleeve rod and is fixedly connected with the driving end of the motor, a hammer head is installed at the upper end of the hollow square rod, a containing groove is formed in the right end of the hammer head, and a marking pen is inserted into the containing groove. The hollow square rod can be driven to stretch out and draw back through rotation of the first threaded rod, the length does not need to be manually adjusted, the labor intensity of workers is reduced, the marking pen can face a wall by rotating the hollow handle, the hollowing position can be marked through the marking pen, operation is convenient, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow drum detection, in particular to a hollow drum detection hammer. Background Art

[0002] A hollow hammer is a tool used to detect whether there are hollows in walls, wall tiles, floor tiles and floors. The working principle of the hollow hammer is to use the head of the hollow hammer to knock or slide the wall, and listen to the sound of the hollow hammer head contacting the wall to judge whether there is a hollow problem in the wall.

[0003] For example, in the utility model patent with announcement number CN208171931U, a portable hollow drum hammer is disclosed, including a hollow drum hammer body, the hollow drum hammer body including a solid metal ball head, a connecting telescopic tube and a hand rod, one end of the hand rod is provided with a storage groove, the outer side wall of one end of the connecting telescopic tube is provided with a fixing nail, a spring sheet 1 is installed at one end of the connecting telescopic tube through the fixing nail, one end of the connecting telescopic tube is installed in the storage groove, one end of the hand rod is also provided with a double groove 1, and the other end of the connecting telescopic tube is provided with a double groove 2, a connecting rod is provided on the solid metal ball head, one end of the connecting tube is sleeved on the connecting rod, a rivet is provided on the connecting tube, the connecting tube is connected and fixed to the connecting rod through the rivet, the other end of the connecting tube is provided with a spring sheet 2, and the other end of the connecting tube is installed in the connecting telescopic tube.

[0004] However, when the utility model is used, the detected hollow area cannot be marked and needs to be marked separately, which has low working efficiency, and the length is adjusted manually, which increases the labor intensity of the workers. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a hollow drum detection hammer to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hollow drum detection hammer, comprising a hollow handle, a rechargeable battery is installed in the hollow handle, a sleeve rod is fixedly connected to the upper end of the hollow handle, a controller is installed on the lower side of the right surface of the sleeve rod, a hollow square rod is slidably connected to the sleeve rod, a first threaded rod is rotatably connected to the inner bottom surface of the sleeve rod, the first threaded rod is threadedly connected to the lower wall of the hollow square rod, a motor is fixedly connected to the bottom surface of the sleeve rod and located in the hollow handle, a hammer head is installed on the upper end of the hollow square rod, a receiving groove is provided at the right end of the hammer head, a second threaded rod is threadedly connected to the lower wall of the receiving groove, a pressing plate is fixedly connected to the upper end of the second threaded rod, a pair of guide rods are fixedly connected to the bottom surface of the pressing plate and located on both sides of the second threaded rod, the guide rods are slidably connected to the lower wall of the receiving groove, a marking pen is inserted in the receiving groove, and the pressing plate abuts against the marking pen.

[0007] Preferably, the upper end of the first threaded rod is rotatably connected to a limiting block, and the limiting block is slidably connected to the inner surface of the hollow square rod.

[0008] Preferably, a charging port is installed on the bottom surface of the hollow handle.

[0009] Preferably, an anti-slip pad is fixedly connected to the upper surface of the pressing plate.

[0010] Preferably, a handle is fixedly connected to the lower end of the second threaded rod.

[0011] Beneficial Effects

[0012] The utility model provides a hollow drum detection hammer, which has the following beneficial effects:

[0013] 1. The hollowing of the wall can be detected by hitting the wall with a hammer. The hollow square rod can be extended and retracted by rotating the first threaded rod. It can stop at the required position according to the needs of use. There is no need to manually adjust the length, which reduces the labor intensity of workers.

[0014] 2. Turning the hollow handle can make the marking pen face the wall, and the hollow position can be marked by the marking pen, which is easy to operate and improves work efficiency;

[0015] 3. Turning the handle can drive the pressure plate to move downward. By moving the pressure plate downward, the marking pen can be pulled out, making it easy to replace the marking pen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 for Figure 1 A is an enlarged schematic diagram;

[0018] Figure 3 for Figure 1 A magnified schematic diagram of B.

[0019] In the figure: 1. hollow handle; 2. charging port; 3. rechargeable battery; 4. motor; 5. controller; 6. first threaded rod; 7. sleeve rod; 8. hollow square rod; 9. marking pen; 10. hammer head; 11. anti-slip pad; 12. pressure plate; 13. receiving groove; 14. guide rod; 15. second threaded rod; 16. handle; 17. limit block. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., are only with reference to the directions shown in the drawings. The directional terms used are used to illustrate and understand the present invention, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] See also Figure 1-3 The utility model provides a technical solution: a hollow drum detection hammer, comprising a hollow handle 1, a rechargeable battery 3 is installed in the hollow handle 1, a sleeve rod 7 is fixedly connected to the upper end of the hollow handle 1, a controller 5 is installed on the lower side of the right surface of the sleeve rod 7, a hollow square rod 8 is slidably connected in the sleeve rod 7, a first threaded rod 6 is rotatably connected to the bottom surface of the sleeve rod 7, the first threaded rod 6 is threadedly connected to the lower wall of the hollow square rod 8, a motor 4 is fixedly connected to the bottom surface of the sleeve rod 7 and located in the hollow handle 1, the lower end of the first threaded rod 6 penetrates the bottom surface of the sleeve rod 7 and is fixedly connected to the driving end of the motor 4, a hammer head 10 is installed on the upper end of the hollow square rod 8, and a receiving groove is provided at the right end of the hammer head 10 13, a second threaded rod 15 is connected to the inner thread of the lower wall of the accommodating groove 13, and a pressure plate 12 is fixedly connected to the upper end of the second threaded rod 15. A pair of guide rods 14 are fixedly connected to the bottom surface of the pressure plate 12 and located on both sides of the second threaded rod 15. The guide rods 14 are slidably connected to the lower wall of the accommodating groove 13, and a marking pen 9 is inserted into the accommodating groove 13, and the pressure plate 12 abuts against the marking pen 9; the upper end of the first threaded rod 6 is rotatably connected to a limiting block 17, and the limiting block 17 is slidably connected to the inner surface of the hollow square rod 8; a charging port 2 is installed on the bottom surface of the hollow handle 1; an anti-slip pad 11 is fixedly connected to the upper surface of the pressure plate 12; and a handle 16 is fixedly connected to the lower end of the second threaded rod 15.

[0023] Through the personnel in this field, all the electrical components in this case are electrically connected to their corresponding power supplies, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the working sequence between the electrical components in the following working principle to complete the electrical connection. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0024] Embodiment: According to the specification attached Figure 1-3 It can be seen that when in use, holding the hollow handle 1, the wall can be detected for hollowing by knocking it with the hammer head 10, and starting the motor 4 can drive the first threaded rod 6 to rotate, and the rotation of the first threaded rod 6 can drive the hollow square rod 8 to extend and retract, and stop at the required position according to the needs of use. There is no need to manually adjust the length, which reduces the labor intensity of the workers. When hollowing is detected, rotating the hollow handle 1 can make the marking pen 9 face the wall, and the hollow position can be marked by the marking pen 9, which is easy to operate and improves work efficiency; rotating the handle 16 can drive the pressure plate 12 to move downward, and the marking pen 9 can be pulled out by moving the pressure plate 12 downward, which is convenient for replacing the marking pen 9.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hollow drum detection hammer, characterized in that: The invention comprises a hollow handle (1), wherein a rechargeable battery (3) is installed in the hollow handle (1), a sleeve rod (7) is fixedly connected to the upper end of the hollow handle (1), a controller (5) is installed on the lower side of the right surface of the sleeve rod (7), a hollow square rod (8) is slidably connected to the sleeve rod (7), a first threaded rod (6) is rotatably connected to the inner bottom surface of the sleeve rod (7), the first threaded rod (6) is threadedly connected to the lower wall of the hollow square rod (8), a motor (4) is fixedly connected to the bottom surface of the sleeve rod (7) and located in the hollow handle (1), the lower end of the first threaded rod (6) passes through the bottom surface of the sleeve rod (7) and is connected to the motor ( 4) The driving end is fixedly connected, a hammer head (10) is installed on the upper end of the hollow square rod (8), a receiving groove (13) is opened at the right end of the hammer head (10), a second threaded rod (15) is connected to the inner thread of the lower wall of the receiving groove (13), a pressure plate (12) is fixedly connected to the upper end of the second threaded rod (15), a pair of guide rods (14) are fixedly connected to the bottom surface of the pressure plate (12) and located on both sides of the second threaded rod (15), the guide rods (14) are slidably connected to the lower wall of the receiving groove (13), a marking pen (9) is inserted into the receiving groove (13), and the pressure plate (12) abuts against the marking pen (9).

2. A hollow drum detection hammer according to claim 1, characterized in that: The upper end of the first threaded rod (6) is rotatably connected to a limit block (17), and the limit block (17) is slidably connected to the inner surface of the hollow square rod (8).

3. A hollow drum detection hammer according to claim 1, characterized in that: A charging port (2) is installed on the bottom surface of the hollow handle (1).

4. A hollow drum detection hammer according to claim 1, characterized in that: An anti-slip pad (11) is fixedly connected to the upper surface of the pressing plate (12).

5. The hollow drum detection hammer according to claim 1, characterized in that: The lower end of the second threaded rod (15) is fixedly connected to a handle (16).

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