Electric tool damping structure
By combining a secondary handle with a hinged and elastic structure in the design of power tools, the problem of hand fatigue caused by power tool vibration is solved, achieving better shock absorption and operating comfort.
Patent Information
- Application Number
- CN202520346065.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing power tool handles cannot effectively absorb vibrations when the motor rotates at high speeds, causing soreness, numbness, and fatigue in the operator's hands. Existing shock-absorbing material covers are not ideal and cannot maintain operating comfort during long-term use.
The auxiliary handle is connected to the main body of the power tool via a hinge structure. Combined with an elastic structure and shock-absorbing springs, the auxiliary handle can rotate around the hinge structure to offset vibrations. The main handle is designed in a U-shape to reduce vibration transmission.
It effectively absorbs and counteracts the vibration of power tools, reduces operator fatigue, and improves holding comfort and operating efficiency.
Smart Images

Figure CN223917888U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of power tool technology, specifically to a power tool vibration damping structure. Background Technology
[0002] Existing power tool handles cannot effectively absorb vibrations when the motor rotates at high speeds, leading to hand soreness, numbness, and fatigue after prolonged use. Current shock-absorbing material sleeves are not ideal for vibration reduction. Handheld power tools, due to their vibration characteristics, cause operator fatigue and reduced grip strength during operation. Existing vibration damping systems struggle to effectively reduce vibration and maintain operational comfort during extended use. High-powered power tools are heavier and experience greater vibration acceleration, making them more prone to operator fatigue injuries. While using two hands reduces the load on individual arms, it does not address the root cause of fatigue damage. Utility Model Content
[0003] In view of this, the purpose of this utility model is to overcome the shortcomings of the prior art and provide a vibration damping structure for power tools. This application provides the following technical solution:
[0004] The tool includes a power tool body, a main handle located at the rear of the power tool body, and a secondary handle located on the side. The secondary handle is mounted on the power tool body via a hinge structure. The secondary handle can be rotated around the hinge structure. An elastic structure is provided between the secondary handle and the power tool body. The elastic structure is used to apply an elastic force to the secondary handle in its rotation direction.
[0005] The main handle is U-shaped, with one end connected to the power tool body and the other end having a notch to disconnect it from the power tool body.
[0006] The hinge structure includes a support column fixed to the side of the power tool body, a pin passing through the support column, and the auxiliary handle being fixedly connected to the pin.
[0007] The elastic structure includes a cantilever fixed to the secondary handle and a spring cavity located on the side of the power tool body, with a shock-absorbing spring provided between the cantilever and the spring cavity.
[0008] The main handle is fitted with a shock-absorbing sleeve.
[0009] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0010] The secondary handle is connected to the power tool body via a hinge structure. The elastic force applied to the secondary handle by the elastic structure allows the secondary handle to remain tilted relative to the power tool body when the power tool body is picked up by holding the secondary handle. Therefore, when the power tool vibrates during operation, the secondary handle can rotate around the hinge structure to offset most of the vibration, while the elastic structure can absorb most of the vibration energy, thus preventing the vibration from being transmitted to the secondary handle. The main handle is U-shaped and connected to the power tool body at only one end, which can effectively reduce the vibration transmitted to the main handle.
[0011] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0012] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of a shock-absorbing secondary handle for a power tool.
[0014] Figure 2 This is a schematic diagram of the main handle of a power tool with a shock-absorbing structure.
[0015] Reference numerals: 1. Power tool body; 2. Main handle; 3. Secondary handle; 4. Hinge structure; 41. Support column; 42. Pin; 5. Elastic structure; 51. Cantilever; 52. Spring cavity; 53. Shock-absorbing spring. Detailed Implementation
[0016] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.
[0017] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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 of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0018] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0019] Please refer to Figure 1-2 As shown, this utility model provides a shock-absorbing structure for power tools.
[0020] The power tool includes a main handle 2 at the rear of the main handle 1 and a secondary handle 3 at the side. The secondary handle 3 is mounted on the main handle 1 via a hinge structure 4. The secondary handle 3 can be rotated around the hinge structure 4. An elastic structure 5 is provided between the secondary handle 3 and the main handle 1. The elastic structure 5 is used to apply an elastic force to the secondary handle 3 in its rotation direction.
[0021] The main handle 2 is U-shaped, with one end connected to the power tool body 1 and the other end having a notch to disconnect it from the power tool body 1.
[0022] The end of the main handle 2 that connects to the power tool body 1 can be longer to extend the vibration transmission distance between the power tool body 1 and the main handle 2. The connection part can be flat. When the power tool body 1 is in normal use, the wider part of the connection part is in the direction of gravity to provide sufficient support to lift the power tool body 1, while the narrower part in other directions can effectively reduce vibration transmission.
[0023] The hinge structure 4 includes a support column 41 fixed to the side of the power tool body 1, a pin 42 passing through the support column 41, and the auxiliary handle 3 being fixedly connected to the pin 42.
[0024] The elastic structure 5 includes a cantilever 51 that is fixed to the auxiliary handle 3 and a spring cavity 52 located on the side of the power tool body 1. A shock-absorbing spring 53 is provided between the cantilever 51 and the spring cavity 52.
[0025] The main handle 2 is fitted with a shock-absorbing sleeve.
[0026] In practice, the user holds the main handle 2 and the auxiliary handle 3 with both hands respectively. When lifting the power tool body 1, the auxiliary handle 3 is flipped, and the auxiliary handle 3 rotates around the pin 42. The cantilever 51 rotates together to compress the shock-absorbing spring 53. When the power tool body 1 is working, it generates vibration. The rotation of the auxiliary handle 3 around the pin 43 offsets part of the vibration, and the shock-absorbing spring 53 prevents the vibration from being transmitted to the auxiliary handle 3. The main handle 1 is U-shaped, with one end connected to the power tool body 1. The vibration transmitted to the main handle 1 is also less, and the user's hands are less affected by vibration, making them less prone to fatigue.
[0027] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.
Claims
1. A vibration damping structure of a power tool, comprising a power tool main body (1) and a main handle (2) located at a rear portion of the power tool main body (1) and a sub handle (3) located at a side portion thereof; characterized in that: The secondary handle (3) is mounted on the power tool body (1) via a hinge structure (4). The secondary handle (3) can rotate around the hinge structure (4). An elastic structure (5) is provided between the secondary handle (3) and the power tool body (1). The elastic structure (5) is used to apply an elastic force to the secondary handle (3) in its rotation direction.
2. The electric power tool damping structure according to claim 1, wherein: The main handle (2) is U-shaped, with one end connected to the power tool body (1) and the other end having a notch between it and the power tool body (1) to disconnect it.
3. The electric power tool damping structure according to claim 1, wherein: The hinge structure (4) includes a support column (41) fixed to the side of the power tool body (1), a pin (42) is inserted inside the support column (41), and the auxiliary handle (3) is fixedly connected to the pin (42).
4. The electric power tool damping structure according to claim 3, wherein: The elastic structure (5) includes a cantilever (51) that is fixed to the auxiliary handle (3) and a spring cavity (52) located on the side of the power tool body (1). A shock-absorbing spring (53) is provided between the cantilever (51) and the spring cavity (52).
5. The electric power tool damping structure according to claim 2, wherein: The main handle (2) is fitted with a shock-absorbing sleeve.