Vibration damping structure of electric tool

Abstract

The vibration damping structure of the electric tool comprises an electric pick body, a damping pad, a mounting frame and a handle, the surface of the electric pick body is fixedly connected with the inner side of the damping pad, the surface of the damping pad is fixedly connected with the inner side of the mounting frame, and the handle is located on the right side of the mounting frame. The auxiliary handle is fixedly connected to the surface of the electric pick body and located on the left side of the mounting frame, a connecting frame is fixedly connected to the left side of the handle, a fixing frame is fixedly connected to the right side of the mounting frame, and the right side of the fixing frame extends into the connecting frame. The damping pad is arranged to primarily absorb vibration generated when the electric tool works, and the damping spring and the damping cylinder are utilized to secondarily absorb residual vibration, so that the strength of the vibration transmitted to the hands of a worker is greatly reduced, the fatigue feeling of the vibration to the hands of the worker is delayed, and the working efficiency of the worker is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tools, in particular to a vibration damping structure of an electric tool. Background Art

[0002] Power tools are mechanized tools that use electric motors or electromagnets as power and drive the working head through a transmission mechanism. They are widely used in construction, maintenance and manufacturing, such as drilling, breaking walls, concrete and steel welding, etc. Power tools are classified in various ways. According to the holding method, they can be divided into handheld power tools, that is, power tools that are easy to carry and can be held or hung by hand for operation. In addition, according to different uses and functions, power tools can also be divided into metal cutting power tools, grinding power tools, assembly power tools and railway power tools, etc., and an electric pick is a power tool. For example, the authorization announcement number is 214686379U, an electric A pickaxe comprises an electric pickaxe body and a pickaxe head assembly, a chuck is provided at the front end of the electric pickaxe body, the pickaxe head assembly comprises a connecting rod, a pickaxe head body detachably connected to the front end of the connecting rod, and a mounting rod detachably connected to the rear end of the connecting rod, the chuck clamps the mounting rod to connect the pickaxe head assembly and the electric pickaxe body. Based on the above structure, the pickaxe head assembly is a detachable structure, and the operator can select connecting rods of different lengths and specifications according to actual conditions to connect with the pickaxe head body and the mounting rod, thereby changing the length of the pickaxe head assembly, and then install the pickaxe head assembly on the electric pickaxe body by clamping the mounting rod with the chuck, so as to meet different pickaxe head length requirements during use and prevent the pickaxe head from being too long or too short to be difficult to use.

[0003] Regarding the above-mentioned related technologies, there are the following defects: the traditional electric pick has poor shock absorption function, resulting in most of the vibrations generated by the electric pick being transmitted to the workers' hands. The workers' hands are subjected to vibrations for a long time, which will cause fatigue in the workers' hands, thereby reducing the workers' work efficiency.

[0004] Therefore, it is necessary to redesign the electric tools to effectively prevent the phenomenon of poor shock absorption effect. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a vibration damping structure for an electric tool, which has the advantage of improving the damping effect of the electric tool and solves the problem of poor damping effect of the electric tool.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vibration damping structure of an electric tool, comprising an electric pick body, a damping pad, a mounting frame, a handle and an auxiliary handle;

[0007] The surface of the electric pick body is fixedly connected to the inner side of the damping pad, the surface of the damping pad is fixedly connected to the inner side of the mounting frame, the handle is located on the right side of the mounting frame, the auxiliary handle is fixedly connected to the surface of the electric pick body, and the auxiliary handle is located on the left side of the mounting frame;

[0008] The left side of the handle is fixedly connected to a connecting frame, the right side of the mounting frame is fixedly connected to a fixing frame, the right side of the fixing frame extends to the interior of the connecting frame, the right side of the interior of the connecting frame is fixedly connected to a damping cylinder, the left side of the damping cylinder extends to the interior of the fixing frame and is fixedly connected to the inner wall of the fixing frame, the surface of the damping cylinder is fixedly connected to a shock-absorbing spring, and the left side of the shock-absorbing spring is fixedly connected to the inner wall of the fixing frame.

[0009] As a preferred embodiment of the present invention, the interior of the connecting frame is fixedly connected to an auxiliary frame located outside the fixing frame, the inner side of the auxiliary frame is movably connected to a ball bearing, and the inner side of the ball bearing is movably connected to the surface of the fixing frame.

[0010] As a preferred embodiment of the utility model, a receiving groove located outside the ball is opened on the inner side of the auxiliary frame, and a solid lubricant is fixedly connected to the inside of the receiving groove. The inner side of the solid lubricant extends to the outside of the receiving groove and is movably connected to the surface of the fixed frame.

[0011] As a preferred embodiment of the present invention, a dustproof cloth is fixedly connected to the surface of the connecting frame, and the left side of the dustproof cloth is fixedly connected to the surface of the fixing frame.

[0012] As a preferred embodiment of the utility model, a shock-absorbing rubber is fixedly connected to the surface of the auxiliary handle, and an auxiliary tube is fixedly connected to the surface of the shock-absorbing rubber.

[0013] As a preferred embodiment of the utility model, a non-slip rubber is fixedly connected to the surface of the auxiliary tube, and a non-slip groove is formed on the surface of the non-slip rubber.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a damping pad to preliminarily absorb the vibration generated when the electric tool is working, and uses a shock-absorbing spring and a damping cylinder to secondarily absorb the remaining vibration, thereby greatly weakening the intensity of the vibration transmitted to the worker's hand, delaying the fatigue caused by the vibration on the worker's hand, and improving the worker's work efficiency.

[0016] 2. The utility model protects the connecting frame and the fixing frame by providing an auxiliary frame and a ball bearing, so as to prevent the connecting frame and the fixing frame from rubbing against each other when the connecting frame and the fixing frame are displaced due to vibration, thereby causing the connecting frame and the fixing frame to be worn and resulting in a reduction in the service life of the connecting frame and the fixing frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the local parts of the connecting frame of the utility model;

[0019] Figure 3 For this utility model Figure 2 The structure diagram at A is enlarged;

[0020] Figure 4 It is a three-dimensional diagram of the local parts of the auxiliary handle of the utility model.

[0021] In the figure: 1. electric pick body; 2. damping pad; 3. mounting frame; 4. handle; 5. auxiliary handle; 6. connecting frame; 7. fixing frame; 8. damping cylinder; 9. shock-absorbing spring; 10. auxiliary frame; 11. ball; 12. storage slot; 13. solid lubricant; 14. dust-proof cloth; 15. shock-absorbing rubber; 16. auxiliary tube; 17. anti-slip rubber; 18. anti-slip groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, the utility model provides a vibration damping structure of an electric tool, comprising an electric pick body 1, a damping pad 2, a mounting frame 3, a handle 4 and an auxiliary handle 5;

[0024] The surface of the electric pick body 1 is fixedly connected to the inner side of the damping pad 2, the surface of the damping pad 2 is fixedly connected to the inner side of the mounting frame 3, the handle 4 is located on the right side of the mounting frame 3, the auxiliary handle 5 is fixedly connected to the surface of the electric pick body 1, and the auxiliary handle 5 is located on the left side of the mounting frame 3;

[0025] The left side of the handle 4 is fixedly connected to a connecting frame 6, the right side of the mounting frame 3 is fixedly connected to a fixing frame 7, the right side of the fixing frame 7 extends to the interior of the connecting frame 6, the right side of the interior of the connecting frame 6 is fixedly connected to a damping cylinder 8, the left side of the damping cylinder 8 extends to the interior of the fixing frame 7 and is fixedly connected to the inner wall of the fixing frame 7, the surface of the damping cylinder 8 is fixedly connected to a shock-absorbing spring 9, and the left side of the shock-absorbing spring 9 is fixedly connected to the inner wall of the fixing frame 7.

[0026] refer to Figure 3The interior of the connecting frame 6 is fixedly connected to an auxiliary frame 10 located outside the fixing frame 7 , the inner side of the auxiliary frame 10 is movably connected to a ball 11 , and the inner side of the ball 11 is movably connected to the surface of the fixing frame 7 .

[0027] As a technical optimization solution of the utility model, the auxiliary frame 10 and the ball 11 are provided to protect the connecting frame 6 and the fixing frame 7, so as to prevent the connecting frame 6 and the fixing frame 7 from rubbing against each other when the connecting frame 6 and the fixing frame 7 are displaced due to vibration, so that the connecting frame 6 and the fixing frame 7 are worn, resulting in a reduction in the service life of the connecting frame 6 and the fixing frame 7.

[0028] refer to Figure 3 A receiving groove 12 located outside the ball 11 is opened on the inner side of the auxiliary frame 10, and a solid lubricant 13 is fixedly connected to the inside of the receiving groove 12. The inner side of the solid lubricant 13 extends to the outside of the receiving groove 12 and is movably connected to the surface of the fixed frame 7.

[0029] As a technical optimization solution of the utility model, by providing the receiving groove 12 and the solid lubricant 13, the solid lubricant 13 rubs against the fixing frame 7 to transfer the internal lubricating fluid to the surface of the fixing frame 7, thereby lubricating the ball 11 and the fixing frame 7.

[0030] refer to Figure 2 A dustproof cloth 14 is fixedly connected to the surface of the connecting frame 6 , and the left side of the dustproof cloth 14 is fixedly connected to the surface of the fixing frame 7 .

[0031] As a technical optimization solution of the utility model, a dustproof cloth 14 is provided to block external dust, thereby preventing dust and other debris from entering between the connecting frame 6 and the fixing frame 7, causing the connecting frame 6 and the fixing frame 7 to be worn, resulting in a reduction in the service life of the connecting frame 6 and the fixing frame 7.

[0032] refer to Figure 4 A shock-absorbing rubber 15 is fixedly connected to the surface of the auxiliary handle 5 , and an auxiliary tube 16 is fixedly connected to the surface of the shock-absorbing rubber 15 .

[0033] As a technical optimization solution of the utility model, by providing the shock-absorbing rubber 15 and the auxiliary tube 16, the vibration transmitted to the auxiliary handle 5 is absorbed, the vibration intensity transmitted to the worker's hand through the auxiliary handle 5 is weakened, and the shock-absorbing effect of the electric tool is improved.

[0034] refer to Figure 4 The surface of the auxiliary tube 16 is fixedly connected with an anti-skid rubber 17 , and the surface of the anti-skid rubber 17 is provided with an anti-skid groove 18 .

[0035] As a technical optimization solution of the utility model, the anti-skid rubber 17 and the anti-skid groove 18 are provided to improve the surface friction of the auxiliary tube 16, so as to prevent the worker from slipping the auxiliary handle 5 and affecting the worker's work efficiency.

[0036] The working principle and use process of the utility model are as follows: when in use, the vibration generated by the power tool when working will be transmitted to the worker's hand through the damping pad 2, the mounting frame 3, the fixing frame 7, the connecting frame 6 and the handle 4. When the vibration passes through the damping pad 2, the damping pad 2 will first absorb the vibration, and when the remaining vibration passes through the fixing frame 7 and the connecting frame 6, the shock-absorbing spring 9 will cooperate with the damping cylinder 8 to absorb the vibration, thereby greatly weakening the intensity of the vibration transmitted to the worker's hand and improving the shock-absorbing effect of the power tool.

[0037] To sum up: the vibration damping structure of the power tool, by providing a damping pad 2, preliminarily absorbs the vibration generated when the power tool is working, and uses the damping spring 9 and the damping cylinder 8 to secondarily absorb the remaining vibration, thereby greatly weakening the intensity of the vibration transmitted to the worker's hand, delaying the fatigue caused by the vibration to the worker's hand, and improving the worker's work efficiency.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] 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 vibration damping structure for an electric tool, characterized in that: It comprises an electric pick body (1), a damping pad (2), a mounting frame (3), a handle (4) and an auxiliary handle (5); The surface of the electric pick body (1) is fixedly connected to the inner side of the damping pad (2), the surface of the damping pad (2) is fixedly connected to the inner side of the mounting frame (3), the handle (4) is located on the right side of the mounting frame (3), the auxiliary handle (5) is fixedly connected to the surface of the electric pick body (1), and the auxiliary handle (5) is located on the left side of the mounting frame (3); The left side of the handle (4) is fixedly connected to a connecting frame (6), the right side of the mounting frame (3) is fixedly connected to a fixing frame (7), the right side of the fixing frame (7) extends into the interior of the connecting frame (6), the right side of the interior of the connecting frame (6) is fixedly connected to a damping cylinder (8), the left side of the damping cylinder (8) extends into the interior of the fixing frame (7) and is fixedly connected to the inner wall of the fixing frame (7), the surface of the damping cylinder (8) is fixedly connected to a shock absorbing spring (9), and the left side of the shock absorbing spring (9) is fixedly connected to the inner wall of the fixing frame (7).

2. The vibration damping structure of an electric tool according to claim 1, characterized in that: The interior of the connecting frame (6) is fixedly connected to an auxiliary frame (10) located outside the fixing frame (7), the inner side of the auxiliary frame (10) is movably connected to a ball (11), and the inner side of the ball (11) is movably connected to the surface of the fixing frame (7).

3. The vibration damping structure of an electric tool according to claim 2, characterized in that: The auxiliary frame (10) has a receiving groove (12) located outside the ball (11) on its inner side, a solid lubricant (13) is fixedly connected to the inside of the receiving groove (12), and the inner side of the solid lubricant (13) extends to the outside of the receiving groove (12) and is movably connected to the surface of the fixed frame (7).

4. The vibration damping structure of an electric tool according to claim 1, characterized in that: A dustproof cloth (14) is fixedly connected to the surface of the connecting frame (6), and the left side of the dustproof cloth (14) is fixedly connected to the surface of the fixing frame (7).

5. The vibration damping structure of an electric tool according to claim 1, characterized in that: A shock-absorbing rubber (15) is fixedly connected to the surface of the auxiliary handle (5), and an auxiliary tube (16) is fixedly connected to the surface of the shock-absorbing rubber (15).

6. The vibration damping structure of an electric tool according to claim 5, characterized in that: The surface of the auxiliary tube (16) is fixedly connected with an anti-skid rubber (17), and the surface of the anti-skid rubber (17) is provided with an anti-skid groove (18).

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