A knocking device for motor vehicle chassis detection

Abstract

This utility model relates to the technical field of motor vehicle chassis inspection devices, and provides a striking device for inspecting motor vehicle chassis. The device includes a sleeve with a receiving groove inside. An arc-shaped guide groove is formed on the inner wall of the receiving groove. A threaded groove is formed inside the sleeve, and a positioning bolt is movably connected inside the threaded groove. A support rod is movably connected inside the receiving groove, and a guide slider is fixedly connected to the outer wall of the support rod. A first limiting hole and a second limiting hole are formed inside the support rod. A handle is fixedly connected to the bottom end of the support rod. By rotating the handle, the support rod can rotate along the receiving groove, causing the guide slider to slide along the arc-shaped guide groove, allowing the support rod to extend along the receiving groove. This facilitates adjustment of the handle length according to chassis inspection needs, improving the convenience of use during inspection.

Description

Technical Field

[0001] This utility model relates to the technical field of motor vehicle chassis testing devices, and in particular to a striking device for testing motor vehicle chassis. Background Technology

[0002] A tapping device for vehicle chassis inspection is an automated or semi-automated tool specifically designed to detect structural defects in vehicle chassis. Its core function is to apply controlled tapping force to key chassis components (such as crossbeams, longitudinal beams, connecting joints, and suspension components), combined with sound feedback, vibration signal analysis, or visual assistance, to determine the integrity of the chassis structure. This replaces or assists traditional manual tapping inspection, improving the accuracy, efficiency, and convenience of the inspection.

[0003] To this end, patent CN218297591U discloses a hammer for inspecting a vehicle chassis, including a handheld rod with a U-shaped bracket fixedly installed at the upper end of the handheld rod. A laterally extending hinge shaft is fixedly installed in the middle of a connecting column, and the hinge shaft is rotatably installed between the upper ends of the two vertical walls of the bracket. A hammer head is fixedly installed at one end of the connecting column, and a cleaning brush is fixedly installed at the other end of the connecting column. By rotating the connecting column, the hammer head is rotated to the upper end of the connecting column, and a locking pin is inserted into the pin groove on the cleaning brush, so that the handheld rod can be held and the hammer head can be used to strike the vehicle chassis. Alternatively, by rotating the connecting column, the cleaning brush is rotated to the upper end of the connecting column, and a locking pin is inserted into the pin groove on the hammer head, so that the handheld rod can be held and the cleaning brush can be used to clean the dust adhering to the vehicle chassis.

[0004] The existing technical solutions mentioned above have the following drawbacks: although dust can be cleaned during use, it is inconvenient to adjust the length of the hammer handle according to actual testing needs, thus affecting the convenience of actual testing. Utility Model Content

[0005] The purpose of this invention is to provide a striking device for inspecting the chassis of motor vehicles, thereby solving the problem that existing striking devices for inspecting the chassis of motor vehicles are inconvenient to adjust the length of the striking hammer handle according to actual inspection needs.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a striking device for inspecting the chassis of a motor vehicle, comprising a sleeve;

[0007] The sleeve has a storage groove inside, and an arc-shaped guide groove is formed on the inner side wall of the storage groove. The sleeve also has a threaded groove inside, and a positioning bolt is movably connected inside the threaded groove.

[0008] The storage slot is movably connected to a support rod, and a guide slider is fixedly connected to the outer wall of the support rod. The support rod has a first limiting hole and a second limiting hole inside, and a handle is fixedly connected to the bottom end of the support rod.

[0009] Preferably, the sleeve forms a sliding structure with the support rod through the receiving groove, and the sleeve forms a sliding structure with the guide slider through the arc-shaped guide groove, so that the guide slider can slide along the arc-shaped guide groove.

[0010] Preferably, the sleeve is threadedly connected to the positioning bolt via a threaded groove, and the guide slider is located in the arc-shaped guide groove, which allows the positioning bolt to rotate and move along the threaded groove.

[0011] Preferably, the positioning bolt is engaged with the support rod through the first limiting hole, and the positioning bolt is engaged with the support rod through the second limiting hole, so that the end of the positioning bolt can be engaged in the first limiting hole for limiting.

[0012] Preferably, a docking post is fixedly connected to the top of the sleeve, a limiting plate is fixedly connected inside the docking post, a movable block is movably connected inside the docking post, a pressure rod is fixedly connected to the top of the movable block, a return spring is fixedly connected to the bottom of the movable block, a movable groove is opened inside the movable block, a receiving rod is movably connected inside the movable groove, a limiting block is fixedly connected to one end of the receiving rod, a striking hammer is installed on the outer wall of the docking post, a docking groove is opened inside the striking hammer, and a locking groove is opened on the inner side wall of the docking groove.

[0013] Preferably, the movable block has a slotted design. The movable block forms a sliding structure with the limiting plate and the docking column. The movable block forms a sliding structure with the receiving rod through the movable slot. The docking column and the limiting block form a sliding structure, which allows the movable block to slide along the guide of the limiting plate.

[0014] Preferably, the docking post is engaged with the hammer via a docking groove, and the hammer is engaged with the limiting block via a slot, so that the limiting block can be engaged in the slot for limiting.

[0015] The present invention provides a striking device for inspecting the chassis of a motor vehicle, the advantages of which are:

[0016] With the included storage slot, arc-shaped guide slot, positioning bolt, support rod, guide slider, first limit hole, second limit hole, and handle, the support rod can be rotated along the storage slot by turning the handle, and the guide slider can be guided and slid along the arc-shaped guide slot, allowing the support rod to slide out along the storage slot. This facilitates the adjustment of the handle length according to the chassis inspection requirements, improving the convenience of inspection and use.

[0017] Furthermore, by rotating the positioning bolt, the support rod can be limited under the action of the first and second limiting holes;

[0018] The system includes a docking post, a limiting plate, a movable block, a pressure rod, a return spring, a movable groove, a receiving rod, a limiting block, a hammer, and a slot. By pressing the pressure rod, the movable block can slide down, the receiving rod can slide along the movable groove, and the limiting block can slide along the docking post. This allows the limiting block to move out of the slot and pull the hammer, facilitating the disassembly and replacement of worn hammers.

[0019] Furthermore, the limiting effect of the limiting plate can improve the stability of the sliding of the moving block;

[0020] Furthermore, under the action of the return spring, the limit block can be reset after the pressure rod is released. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a three-dimensional sectional view of the sleeve of this utility model;

[0023] Figure 3 This is a perspective view of the sleeve of this utility model;

[0024] Figure 4 This is a three-dimensional sectional view of the docking column of this utility model;

[0025] Figure 5 This is a perspective view of the striking hammer of this utility model;

[0026] Figure 6 This is a perspective view of the movable block of this utility model.

[0027] The following are the annotations in the diagram: 1. Sleeve; 2. Receiving groove; 3. Arc-shaped guide groove; 4. Threaded groove; 5. Positioning bolt; 6. Support rod; 7. Guide slider; 8. First limiting hole; 9. Second limiting hole; 10. Handle; 11. Connecting post; 12. Limiting plate; 13. Movable block; 14. Pressure rod; 15. Return spring; 16. Movable groove; 17. Receiving rod; 18. Limiting block; 19. Striking hammer; 20. Connecting groove; 21. Slot. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1-6 The present invention provides a striking device for testing the chassis of a motor vehicle, comprising a sleeve 1.

[0030] Reference Figure 1 , Figure 2 and Figure 3 As shown, the sleeve 1 has a storage groove 2 inside, and an arc-shaped guide groove 3 is formed on the inner side wall of the storage groove 2. The sleeve 1 has a threaded groove 4 inside, and a positioning bolt 5 is movably connected inside the threaded groove 4. A support rod 6 is movably connected inside the storage groove 2, and a guide slider 7 is fixedly connected to the outer wall of the support rod 6. A first limiting hole 8 and a second limiting hole 9 are formed inside the support rod 6. A handle 10 is fixedly connected to the bottom end of the support rod 6. The sleeve 1 and the support rod 6 form a sliding structure through the storage groove 2 and the arc-shaped guide groove 3. The sleeve 1 is threadedly connected to the positioning bolt 5 through the threaded groove 4. The guide slider 7 is located in the arc-shaped guide groove 3. The positioning bolt 5 is engaged with the support rod 6 through the first limiting hole 8 and the second limiting hole 9.

[0031] By rotating the positioning bolt 5, since the positioning bolt 5 is threadedly connected to the sleeve 1 through the threaded groove 4, one end of the positioning bolt 5 can be moved out of the first limiting hole 8. By rotating the handle 10, the support rod 6 can be rotated along the receiving groove 2, and the guide slider 7 can be guided and slid along the arc-shaped guide groove 3, so that the support rod 6 can slide out along the receiving groove 2. When the guide slider 7 slides to one end of the arc-shaped guide groove 3, the positioning bolt 5 can be rotated again, so that one end of the positioning bolt 5 can be inserted into the second limiting hole 9 for limiting, so that the length of the handle can be adjusted.

[0032] Reference Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, a docking post 11 is fixedly connected to the top of the sleeve 1. A limit plate 12 is fixedly connected inside the docking post 11. A movable block 13 is movably connected inside the docking post 11. A pressure rod 14 is fixedly connected to the top of the movable block 13. A return spring 15 is fixedly connected to the bottom of the movable block 13. A movable groove 16 is opened inside the movable block 13. A receiving rod 17 is movably connected inside the movable groove 16. A limit block 18 is fixedly connected to one end of the receiving rod 17. A knocking device is installed on the outer wall of the docking post 11. The hammer 19 has a mating groove 20 inside, and a slot 21 is provided on the inner side wall of the mating groove 20. The movable block 13 has a slotted design. The movable block 13 forms a sliding structure with the mating post 11 through the limiting plate 12. The movable block 13 forms a sliding structure with the receiving rod 17 through the movable groove 16. The mating post 11 forms a sliding structure with the limiting block 18. The mating post 11 is engaged with the hammer 19 through the mating groove 20. The hammer 19 is engaged with the limiting block 18 through the slot 21.

[0033] By pressing the pressure rod 14, the movable block 13 can slide down along the limiting plate 12, causing the receiving rod 17 to slide along the movable groove 16, and causing the limiting block 18, which is fixedly connected to one end of the receiving rod 17, to slide along the docking post 11, thereby moving the limiting block 18 out of the slot 21. Pulling the hammer 19 allows the hammer 19 to slide and disassemble along the docking post 11, thus allowing the worn hammer 19 to be disassembled and replaced.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A striking device for inspecting the chassis of a motor vehicle, comprising a sleeve (1); Its features are: The sleeve (1) has a storage groove (2) inside, and an arc-shaped guide groove (3) is provided on the inner side wall of the storage groove (2). The sleeve (1) has a threaded groove (4) inside, and a positioning bolt (5) is movably connected inside the threaded groove (4). The storage slot (2) is movably connected to a support rod (6), and a guide slider (7) is fixedly connected to the outer wall of the support rod (6). A first limiting hole (8) is opened inside the support rod (6), and a second limiting hole (9) is opened inside the support rod (6). A handle (10) is fixedly connected to the bottom end of the support rod (6).

2. The tapping device for inspecting a motor vehicle chassis according to claim 1, characterized in that: The sleeve (1) forms a sliding structure with the support rod (6) through the storage groove (2), and the sleeve (1) forms a sliding structure with the guide slider (7) through the arc-shaped guide groove (3).

3. The tapping device for inspecting a motor vehicle chassis according to claim 1, characterized in that: The sleeve (1) is threadedly connected to the positioning bolt (5) through the threaded groove (4), and the guide slider (7) is located in the arc-shaped guide groove (3).

4. The tapping device for inspecting a motor vehicle chassis according to claim 1, characterized in that: The positioning bolt (5) is engaged with the support rod (6) through the first limiting hole (8), and the positioning bolt (5) is engaged with the support rod (6) through the second limiting hole (9).

5. The tapping device for inspecting a motor vehicle chassis according to claim 1, characterized in that: The top of the sleeve (1) is fixedly connected to a docking post (11), the inside of the docking post (11) is fixedly connected to a limiting plate (12), the inside of the docking post (11) is movably connected to a movable block (13), the top of the movable block (13) is fixedly connected to a pressure rod (14), the bottom of the movable block (13) is fixedly connected to a return spring (15), the inside of the movable block (13) is provided with a movable groove (16), the inside of the movable groove (16) is movably connected to a receiving rod (17), one end of the receiving rod (17) is fixedly connected to a limiting block (18), the outer wall of the docking post (11) is equipped with a striking hammer (19), the inside of the striking hammer (19) is provided with a docking groove (20), and the inner side wall of the docking groove (20) is provided with a slot (21).

6. The tapping device for inspecting a motor vehicle chassis according to claim 5, characterized in that: The movable block (13) is a slotted design. The movable block (13) forms a sliding structure with the docking post (11) through the limiting plate (12). The movable block (13) forms a sliding structure with the receiving rod (17) through the movable groove (16). The docking post (11) forms a sliding structure with the limiting block (18).

7. The tapping device for inspecting a motor vehicle chassis according to claim 5, characterized in that: The docking post (11) is engaged with the hammer (19) through the docking groove (20), and the hammer (19) is engaged with the limiting block (18) through the groove (21).

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