Wall hollowing detection hammer

Abstract

The utility model provides a wall hollowing detection hammer, which relates to the technical field of building tools and comprises a telescopic rod and a hammer head, a shaft seat is arranged at the upper end of the telescopic rod, a worm gear is rotatably arranged above the inner side of the shaft seat, one side of the worm gear is connected with the hammer head through a connecting piece, a support is arranged below the inner side of the shaft seat, and the support is connected with the hammer head through a connecting piece. A worm matched with the worm gear is rotationally arranged on the inner side of the support. A first bevel gear is arranged at one end of the worm, a telescopic rotating rod is rotationally arranged in the telescopic rod, and the upper end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a second bevel gear. The rotary knob is rotated to drive the telescopic rotating rod to rotate, so that the second bevel gear rotates, the first bevel gear is driven to rotate, the worm is driven to rotate, and the worm gear is driven to rotate, thereby being matched with the connecting piece to drive the hammerhead to rotate and change the angle so as to adapt to the detection requirements of wall surfaces at different positions, and the length can be changed by pulling the inner insertion pipe and the outer sleeve. And the detection requirements of different heights are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to building tool technical field especially relates to a wall hollow sound detection hammer. BACKGROUND

[0002] The wall hollow sound detection hammer is a tool specially used for detecting whether the wall has the hollow sound phenomenon, and is usually composed of a handle and a hammer head. The hammer head is generally made of metal material, and the shape design can effectively transmit sound and vibration. During detection, the detection personnel hold the handle and tap the wall surface with the hammer head, or sweep the wall with the hammer head, and judge whether the wall is dense according to the sound and the hand feeling. The tool is simple and convenient to operate, and is commonly used in the detection instrument in the construction, decoration acceptance and house quality inspection links, which can help the staff to find the wall hollow sound problem in time, so as to take corresponding measures for treatment, and ensure the quality and stability of the wall;

[0003] The existing detection hammer is integrally connected with the handle and the hammer head, and the angle is fixed. During the detection process, if the obstacle (such as socket, switch, pipeline and the like) on the wall or the special area (such as the outside corner of the building, the edge zone and the like) is encountered, the detection personnel need to change the angle of the hammer head to avoid the obstacle or better adapt to the shape and angle of the special area. However, the existing detection hammer lacks the function of adjusting the hammer head, so the utility model provides a wall hollow sound detection hammer to solve the problems in the prior art. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model provides a wall hollow sound detection hammer, which is suitable for the detection needs of different position wall surfaces.

[0005] In order to achieve the purpose of the utility model, the utility model realizes the following technical scheme: a wall hollow sound detection hammer, which comprises a telescopic rod and a hammer head, the upper end of the telescopic rod is provided with a shaft seat, a worm wheel is rotationally arranged on the upper side of the inner side of the shaft seat, the worm wheel is connected with the hammer head through a connecting piece, a support is arranged on the lower side of the inner side of the shaft seat, and a worm is rotationally arranged on the inner side of the support and is matched with the worm wheel.

[0006] One end of the worm is provided with a first bevel gear, a telescopic rotating rod is rotationally arranged in the inside of the telescopic rod, the upper end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a second bevel gear, the second bevel gear is matched with the first bevel gear, and the lower end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a knob.

[0007] Further improvement lies in that the connecting piece comprises a rotating shaft and a connecting rod, the rotating shaft is connected with one side of the worm wheel, the connecting rod is arranged on the rotating shaft, and the hammer head is arranged above the connecting rod.

[0008] Further improvement lies in that the telescopic rod comprises an outer sleeve and an inner sleeve, the inner sleeve is movably inserted into the inner part of the outer sleeve, and the shaft base is arranged at the upper end of the inner sleeve.

[0009] Further improvement lies in that the telescopic rod comprises an outer sleeve and an inner sleeve, the inner sleeve is movably inserted into the inner part of the outer sleeve, and the shaft base is arranged at the upper end of the inner sleeve.

[0010] Further improvement lies in that the lower end of the outer sleeve movably penetrates the lower end of the inner sleeve, and the lower end of the outer sleeve is connected with the knob.

[0011] Further improvement lies in that the upper end of the inner sleeve movably penetrates the upper end of the inner sleeve and is connected with a connecting column, and the connecting column is connected with the second bevel gear.

[0012] Further improvement lies in that the upper and lower ends of the penetration part of the inner sleeve and the inner sleeve are provided with limiting sheets, and the limiting sheets are used for limiting the relative position of the inner sleeve and the inner sleeve.

[0013] The utility model discloses the beneficial effects are:

[0014] 1, the utility model discloses a knob is rotated and drives telescopic rod to rotate, makes the second bevel gear rotate, drives the first bevel gear to rotate, makes the worm rotate, drives the worm wheel to rotate to cooperate with the connecting piece and drive the hammer head to rotate, changes the angle, adapts the detection need of different position wall surface.

[0015] 2, the utility model discloses the inner sleeve and the outer sleeve can change the length by pulling, adapt the detection need of different height, the outer sleeve and the inner sleeve in the interior can synchronous telescopic, and keep the function of rotatable, use more reliable. DRAWINGS

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

[0017] Figure 2 It is the Figure 1 structure schematic view of A place in the middle;

[0018] Figure 3 It is the telescopic rod sectional view schematic view of the utility model.

[0019] Wherein: 1, hammer head;2, shaft base;3, worm wheel;4, support;5, worm;6, first bevel gear;7, second bevel gear;8, knob;9, rotating shaft;10, connecting rod;11, outer sleeve;12, inner sleeve;13, outer sleeve;14, inner sleeve;15, guide strip;16, connecting column;17, limiting sheet. CONCRETE IMPLEMENTATION

[0020] In order to deepen the understanding of the utility model, the utility model will be further described in combination with examples below, and the examples are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0021] Example one

[0022] According to Figure 1 、 2 , 3, the example provides a wall hollow detection hammer, which comprises a telescopic rod and a hammer head 1, the upper end of the telescopic rod is provided with an axle seat 2, a worm wheel 3 is rotationally arranged on the upper side of the inner side of the axle seat 2, the worm wheel 3 is connected with the hammer head 1 through a connecting piece on one side, the lower side of the inner side of the axle seat 2 is provided with a support 4, and the inner side of the support 4 is rotationally provided with a worm 5 matched with the worm wheel 3.

[0023] One end of the worm 5 is provided with a first bevel gear 6, the inside of the telescopic rod is rotationally provided with a telescopic rotating rod, the upper end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a second bevel gear 7, the second bevel gear 7 is matched with the first bevel gear 6, and the lower end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a knob 8. When the device is used to detect the outer wall surface of a building, the device is stretched out from the window, the knob 8 is rotated to drive the telescopic rotating rod to rotate, the second bevel gear 7 is rotated, the first bevel gear 6 is rotated, the worm 5 is rotated, the worm wheel 3 is driven to rotate, the hammer head 1 is rotated in cooperation with the connecting piece, the angle is changed, and the detection needs of the outer wall surface of the building are adapted.

[0024] The telescopic rod comprises an outer sleeve tube 11 and an inner insertion tube 12, the inner insertion tube 12 is movably inserted into the inner side of the outer sleeve tube 11, and the axle seat 2 is arranged at the upper end of the inner insertion tube 12. The telescopic rotating rod comprises an outer sleeve rod 13 and an inner insertion rod 14, the inner insertion rod 14 is slidably inserted into the inner side of the outer sleeve rod 13, the outer side of the inner insertion rod 14 is provided with a guide strip 15, and the inner side of the outer sleeve rod 13 is provided with a guide groove matched with the guide strip 15. When the telescopic rod is stretched and retracted, the telescopic rotating rod is synchronously stretched and retracted, the inner insertion rod 14 slides in the outer sleeve rod 13, and due to the rotation-stopping effect of the guide strip 15 and the guide groove, after the length of the telescopic rotating rod is adjusted, the telescopic rotating rod can still drive the second bevel gear 7 to rotate through the rotation of the knob, and the use is more reliable.

[0025] The lower end of the outer sleeve rod 13 movably penetrates the lower end of the inner insertion tube 12, and the lower end of the outer sleeve rod 13 is connected with the knob 8. The upper end of the inner insertion rod 14 movably penetrates the upper end of the inner insertion tube 12 and is connected with a connecting column 16, and the connecting column 16 is connected with the second bevel gear 7. When the knob 8 is rotated, the outer sleeve rod 13 and the inner insertion rod 14 are rotated, the rotation of the outer sleeve rod 13 and the inner insertion rod 14 does not affect the inner insertion tube 12, the connecting column 16 is rotated, and the second bevel gear 7 is rotated.

[0026] The upper and lower ends of the inner inserting rod 14 and the inner inserting tube 12 are provided with limiting pieces 17, and the limiting pieces 17 are used for limiting the relative position of the inner inserting rod 14 and the inner inserting tube 12. When the telescopic rod is telescoped, the lower end knob 8 is limited, the outer sleeve rod 13 cannot move, and the upper limiting piece 17 cooperates with the upper end of the inner inserting tube 12. When the inner inserting tube 12 is pulled to move, the inner inserting rod 14 is pulled to move synchronously.

[0027] Embodiment two

[0028] According to Figure 1 、 2 , 3, the embodiment provides a wall hollow detection hammer, which comprises a telescopic rod and a hammer head 1, the upper end of the telescopic rod is provided with a shaft seat 2, the upper side of the inner side of the shaft seat 2 is rotationally provided with a worm wheel 3, one side of the worm wheel 3 is connected with the hammer head 1 through a connecting piece, the lower side of the inner side of the shaft seat 2 is provided with a support 4, and the inner side of the support 4 is rotationally provided with a worm 5 matched with the worm wheel 3.

[0029] One end of the worm 5 is provided with a first bevel gear 6, the inside of the telescopic rod is rotationally provided with a telescopic rotating rod, the upper end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a second bevel gear 7, the second bevel gear 7 is matched with the first bevel gear 6, and the lower end of the telescopic rotating rod penetrates out of the telescopic rod and is connected with a knob 8. When the device is used for detecting the outer wall surface of a building, the device is stretched out from the window, the knob 8 is rotated to drive the telescopic rotating rod to rotate, the second bevel gear 7 is rotated, the first bevel gear 6 is rotated, the worm 5 is rotated, the worm wheel 3 is driven to rotate, the hammer head 1 is rotated in cooperation with the connecting piece, the angle is changed, and the detection needs of the outer wall surface of the building are adapted.

[0030] The connecting piece comprises a rotating shaft 9 and a connecting rod 10, the rotating shaft 9 is connected with one side of the worm wheel 3, the connecting rod 10 is arranged on the rotating shaft 9, and the hammer head 1 is arranged above the connecting rod 10. When the device is used, the length can be changed by pulling the inner inserting tube 12 and the outer sleeve tube 11, and the detection needs of different heights are adapted.

[0031] The telescopic rod comprises an outer sleeve tube 11 and an inner inserting tube 12, the inner inserting tube 12 is movably inserted into the inner sleeve tube 11, and the shaft seat 2 is arranged at the upper end of the inner inserting tube 12. The telescopic rotating rod comprises an outer sleeve rod 13 and an inner inserting rod 14, the inner inserting rod 14 is slidably inserted into the inner sleeve rod 13, the outer side of the inner inserting rod 14 is provided with a guide strip 15, and the inner side of the outer sleeve rod 13 is provided with a guide groove matched with the guide strip 15. When the device is used, the telescopic rod is telescoped, the telescopic rotating rod is synchronously telescoped, the inner inserting rod 14 slides in the outer sleeve rod 13, due to the rotation stopping effect of the guide strip 15 and the guide groove, after the length of the telescopic rotating rod is adjusted, the knob is used to drive the rotation, the second bevel gear 7 can still be rotated, and the device is more reliable in use.

[0032] The wall body hollow detection hammer drives the first bevel gear 6 to rotate by rotating the second bevel gear 7 through rotating the knob 8, drives the worm 5 to rotate, drives the worm wheel 3 to rotate, thereby cooperating with the connecting piece to drive the hammer head 1 to rotate, changes the angle, and adapts to the detection needs of the wall body surface in different positions. And the product can change the length by pulling the inner insertion tube 12 and the outer sleeve tube 11, adapt to the detection needs of different heights, the inner sleeve rod 13 and the inner insertion rod 14 can be synchronously telescopic, and the function of being rotatable can be kept, and the use is more reliable.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wall hollow detection hammer, comprising a telescopic rod and a hammer head (1), characterized in that: The upper end of the telescopic rod is provided with a bearing seat (2), and a worm gear (3) is rotatably provided on the upper side of the inner side of the bearing seat (2). One side of the worm gear (3) is connected to the hammer head (1) through a connector. A bracket (4) is provided on the lower side of the inner side of the bearing seat (2), and a worm (5) adapted to the worm gear (3) is rotatably provided on the inner side of the bracket (4). One end of the worm gear (5) is provided with a first bevel gear (6), the telescopic rod is provided with a telescopic rotating rod inside, and the upper end of the telescopic rotating rod passes through the telescopic rod and is connected to a second bevel gear (7). The second bevel gear (7) is adapted to the first bevel gear (6), and the lower end of the telescopic rotating rod passes through the telescopic rod and is connected to a knob (8).

2. The wall hollow detection hammer according to claim 1, characterized in that: The connector includes a rotating shaft (9) and a connecting rod (10). The rotating shaft (9) is connected to one side of the worm gear (3). The connecting rod (10) is located on the rotating shaft (9). The hammer (1) is located above the connecting rod (10).

3. The wall hollow detection hammer according to claim 1, characterized in that: The telescopic rod includes an outer tube (11) and an inner tube (12). The inner tube (12) is movably inserted inside the outer tube (11), and the bearing seat (2) is located at the upper end of the inner tube (12).

4. A wall hollow detection hammer according to claim 3, characterized in that: The telescopic rotating rod includes an outer rod (13) and an inner rod (14). The inner rod (14) is slidably inserted inside the outer rod (13), and a guide strip (15) is provided on the outer side of the inner rod (14). A guide groove that matches the guide strip (15) is provided on the inner side of the outer rod (13).

5. A wall hollow detection hammer according to claim 4, characterized in that: The lower end of the outer sleeve rod (13) extends through the lower end of the inner tube (12), and the lower end of the outer sleeve rod (13) is connected to the knob (8).

6. A wall hollow detection hammer according to claim 5, characterized in that: The upper end of the inner insertion rod (14) is movably inserted through the upper end of the inner insertion tube (12) and connected to a connecting post (16), which is connected to the second bevel gear (7).

7. A wall hollow detection hammer according to claim 6, characterized in that: The upper and lower ends of the penetration point between the inner insertion rod (14) and the inner insertion tube (12) are provided with limiting pieces (17), and the limiting pieces (17) are used to limit the relative position of the inner insertion rod (14) and the inner insertion tube (12).

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