Electric tool
By adopting a multi-layer vibration-absorbing structure in the power tool and using the combined connection of rigid connectors and elastomers, the problem of large vibration of the power tool is solved, effective vibration-absorbing effect is achieved, and user experience and production efficiency are improved.
Patent Information
- Application Number
- CN202422283741.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Existing power tools vibrate more when used, especially when torque is high, shock absorption is poor, which affects the use effect and user health.
A multi-layer vibration-absorbing structure is adopted, and a combination of rigid connecting members and elastic bodies is connected, and the first and second elastic bodies are arranged between the handle and the case, and the fastener is fastened to achieve the multi-layer vibration-absorbing superposition effect.
Effectively reduce vibration, improve user experience, reduce costs, keep the assembly position relationship unchanged, and improve the production line pass rate.
Smart Images

Figure CN223236232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric tools, in particular to an electric tool. Background Art
[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.
[0003] In today's society, handheld power tools have become an indispensable part of people's daily lives and work. However, many users encounter a problem during use: handheld power tools inevitably generate a series of ineffective vibrations on the handle and housing. This vibration not only affects the tool's performance but also poses potential health risks to the user. This is a problem that we, as handheld power tool manufacturers, have always sought to address.
[0004] When using an existing electric wrench, since its outer shell contacts the internal impact structure, when reciprocating impact occurs, the residual energy will be converted into kinetic energy of mechanical vibration. When the user uses it, the hand will be subjected to the impact force, feeling uncomfortable, and prone to fatigue after long-term use. In order to reduce the damage and discomfort caused by vibration to the human body, it is urgent to design an impact wrench structure that changes the user's working conditions.
[0005] Although existing vibration reduction designs for electric tools can absorb vibrations to a certain extent, the energy absorbed is limited. When the torque is large, the vibration reduction effect is poor. Utility Model Content
[0006] The purpose of the present utility model is to at least solve the problem of existing power tools vibrating significantly during use. This purpose is achieved through the following technical solutions:
[0007] The utility model provides an electric tool, comprising:
[0008] handle;
[0009] a housing for housing the motor;
[0010] A connecting structure includes a rigid connector, a first elastomer, a second elastomer, a first fastener and a second fastener, the rigid connector includes a first connecting portion and a second connecting portion, the second connecting portion is connected to the first connecting portion, the first elastomer is arranged at the connection between the first connecting portion and the casing, and is located between the first connecting portion and the casing, the first connecting portion is connected to the casing through the first elastomer, the second elastomer is arranged at the connection between the second connecting portion and the handle, and is located between the second connecting portion and the handle, the second connecting portion is connected to the handle through the second elastomer, the first fastener is used to fasten the casing to the first connecting portion, and the second fastener is used to fasten the handle to the second connecting portion.
[0011] The electric tool proposed in the present invention connects the handle to the housing through a connection structure with a vibration-damping effect. The connection structure includes a rigid connector connecting the handle to the housing, a first elastomer is provided at the connection between the housing and the rigid connector, and a second elastomer is provided at the connection between the handle and the rigid connector. The housing and the rigid connector are fastened together by a first fastener, and the handle and the rigid connector are fastened together by a second fastener, thereby achieving a multi-layer vibration-damping effect without increasing the space for the handle. Compared with existing vibration-damping structures, the vibration-damping structure of the electric tool proposed in the present invention has a relatively simple structure of additional components and a low cost. In addition, the rigid connector is a rigid structure with a small deformation amount. In a static state, it will not affect the assembly position relationship between the handle and the housing, which is beneficial to assembly and production, and the production line has a high pass rate.
[0012] In addition, the electric tool according to the present invention may also have the following additional technical features:
[0013] In some embodiments of the present invention, the handle includes a shell, an installation cavity is formed inside the shell, the connecting structure is arranged in the installation cavity, the outer surface of the housing is partially protruded to form a lug, the first connecting part is fixedly connected to the lug, and the first elastomer is arranged at the connection between the first connecting part and the lug, and is located between the first connecting part and the lug.
[0014] In some embodiments of the present invention, the outer surface of the first connecting portion is partially recessed to form a connecting groove, the lug is inserted into the connecting groove, and the number of the first elastomers is two, which are respectively arranged on opposite sides of the lug and located between the lug and the groove wall of the connecting groove.
[0015] In some embodiments of the present invention, a first groove is provided on opposite sides of the lug, and a first elastomer is installed in each of the first grooves. The first elastomer has a mounting hole, and the mounting hole passes through the first elastomer. Part of the groove wall of the connecting groove protrudes to form a plug-in portion, and at least part of the plug-in portion is plugged into the mounting hole.
[0016] In some embodiments of the present invention, a first groove is respectively provided on opposite sides of the lug, and a first elastomer is installed in each of the first grooves, and the side wall of the first groove is partially raised to form a first limiting portion. The first elastomer includes a first elastic column and a second limiting portion. The second limiting portion is arranged on the outer surface of the circumferential side of the first elastic column, and the first elastic column is spaced from the side wall of the first groove. The first limiting portion is used to limit the circumferential rotation of the second limiting portion along the first elastic column. Part of the groove wall of the connecting groove protrudes to form at least one plug-in portion, and at least part of the plug-in portion is plugged into the first groove. The second limiting portion is used to limit the circumferential rotation of the plug-in portion along the first elastic column.
[0017] In some embodiments of the present invention, the first fastener is sequentially inserted into the first connecting portion, the first elastomer located on one side of the lug, the lug, and the first elastomer located on the other side of the lug, and is used to fasten the first connecting portion to the lug.
[0018] In some embodiments of the present invention, there are two second elastomers, one of which is provided on opposite sides of the second connecting portion, the second fastener is a columnar structure, both ends of the second fastener are connected to the shell, and the part between the two ends of the second fastener is sequentially passed through the second elastomer located on one side of the second connecting portion, the second connecting portion, and the second elastomer located on the other side of the second connecting portion.
[0019] In some embodiments of the present invention, a second groove is respectively provided on opposite sides of the second connecting portion, a second elastic body is installed in each second groove, and at least a portion of the second elastic body is located in the second groove.
[0020] In some embodiments of the present invention, the handle also includes a connecting column arranged in the installation cavity, one end of the connecting column is connected to the inner wall of the shell, and the connecting column is coaxially arranged with the second fastener, the connecting column passes through the second connecting portion and the entire second elastomer, and part of the second fastener is inserted into the connecting column.
[0021] In some embodiments of the present invention, there are multiple connecting structures, and the multiple connecting structures are arranged at intervals along the axial direction of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. The same reference numerals are used throughout the accompanying drawings to denote the same components. In the accompanying drawings:
[0023] Figure 1 Schematically shows a structural diagram of an electric tool according to an embodiment of the present utility model;
[0024] Figure 2 Schematically shows an assembly structure diagram of a handle and a housing connected by a connecting structure according to an embodiment of the present utility model;
[0025] Figure 3 Schematically shows a schematic diagram of the assembly structure of the connection structure connected to the housing according to an embodiment of the utility model;
[0026] Figure 4 Schematically shows a schematic diagram of a partial assembly structure of a connection structure (some rigid connectors are not shown) connecting a handle and a housing according to an embodiment of the present utility model;
[0027] Figure 5 Schematically shows a structural diagram of a casing according to an embodiment of the present utility model;
[0028] Figure 6 Schematically shows a schematic diagram of the internal structure of a housing from a first viewing angle according to an embodiment of the present utility model;
[0029] Figure 7 Schematically shows a schematic diagram of the internal structure of the housing from a second viewing angle according to an embodiment of the present utility model;
[0030] Figure 8 Schematically shows a partial structural diagram of a rigid connector according to an embodiment of the present utility model;
[0031] Figure 9 Schematically shows a structural diagram of a rigid connector according to an embodiment of the present utility model;
[0032] Figure 10 The figure schematically shows an assembly structure diagram of a connection structure (a rigid connection member with a plug-in portion) connecting a handle and a housing according to an embodiment of the present utility model;
[0033] Figure 11 Schematically shows a partial structural diagram of a rigid connector with a plug-in portion according to an embodiment of the present utility model;
[0034] The reference numerals are as follows:
[0035] 100. Power tools;
[0036] 10. Handle; 11. Housing; 111. Fixing hole; 12. Mounting cavity; 13. Connecting column;
[0037] 20. Casing; 21. Lug; 211. First groove; 212. First limiting portion;
[0038] 30. Connection structure; 31. Rigid connector; 311. First connection portion; 3111. Connection groove; 3112. Insertion portion; 3113. First through-hole; 312. Second connection portion; 3121. Second groove; 3122. Second through-hole; 32. First elastic body; 321. Mounting hole; 322. First elastic column; 323. Second limiting portion; 33. Second elastic body; 34. First fastener; 35. Second fastener. DETAILED DESCRIPTION
[0039] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0040] It should be understood that the terms used herein are for the purpose of describing specific example embodiments only and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "comprise", "include", "contain" and "have" are inclusive and therefore specify the presence of stated features, steps, operations, elements and / or parts, but do not exclude the presence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the specific order described or illustrated, unless the order of execution is clearly indicated. It should also be understood that additional or alternative steps may be used.
[0041] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.
[0042] For ease of description, spatially relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figures, such as "inside," "outside," "inside," "outside," "below," "beneath," "above," and the like. Such spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is flipped, an element described as "below" or "below" another element or feature would then be oriented as "above" or "above" another element or feature. Thus, the example term "below" can include both above and below orientations. The device may be otherwise oriented (rotated 90 degrees or in other orientations) and the spatially relative descriptors used herein are interpreted accordingly.
[0043] like Figures 1 to 11 As shown, the present invention provides an electric tool 100, comprising:
[0044] Handle 10;
[0045] A housing 20 for accommodating the motor;
[0046] The connecting structure 30 includes a rigid connector 31, a first elastic body 32, a second elastic body 33, a first fastener 34 and a second fastener 35. The rigid connector 31 includes a first connecting portion 311 and a second connecting portion 312. The second connecting portion 312 is connected to the first connecting portion 311. The first elastic body 32 is arranged at the connection between the first connecting portion 311 and the housing 20, and is located between the first connecting portion 311 and the housing 20. The first connecting portion 311 is connected to the housing 20 through the first elastic body 32. The second elastic body 33 is arranged at the connection between the second connecting portion 312 and the handle 10, and is located between the second connecting portion 312 and the handle 10. The second connecting portion 312 is connected to the handle 10 through the second elastic body 33. The first fastener 34 is used to fasten the housing 20 to the first connecting portion 311. The second fastener 35 is used to fasten the handle 10 to the second connecting portion 312.
[0047] The power tool 100 proposed in the present invention connects the handle 10 to the housing 20 via a connection structure 30 with a vibration-damping effect. The connection structure 30 includes a rigid connector 31 connecting the handle 10 to the housing 20. A first elastic body 32 is provided at the connection between the housing 20 and the rigid connector 31, and a second elastic body 33 is provided at the connection between the handle 10 and the rigid connector 31. The housing 20 and the rigid connector 31 are then fastened together by a first fastener 34, and the handle 10 and the rigid connector 31 are fastened together by a second fastener 35. This achieves a multi-layer vibration-damping effect without increasing the space required for the handle. Compared to existing vibration-damping structures, the vibration-damping structure of the power tool 100 proposed in the present invention has a simpler structure with fewer components and a lower cost. Furthermore, the rigid connector 31 is a rigid structure with minimal deformation. Under static conditions, it does not affect the assembly position relationship between the handle 10 and the housing 20, facilitating assembly and production, and resulting in a high production line yield rate.
[0048] In some embodiments of the present invention, the handle 10 includes a shell 11, an installation cavity 12 is formed inside the shell 11, a connecting structure 30 is arranged in the installation cavity 12, a local protrusion is formed on the outer surface of the housing 20 to form a lug 21, a first connecting portion 311 is fixedly connected to the lug 21, and a first elastomer 32 is arranged at the connection between the first connecting portion 311 and the lug 21, and is located between the first connecting portion 311 and the lug 21.
[0049] It can be understood that the shell 11 is used for the user to hold, and the interior of the shell 11 forms an installation cavity 12 for installing the battery lamp device. The connecting structure 30 is arranged as a whole in the installation cavity 12 to make the appearance more beautiful. The lower side of the casing 20 can be integrally formed with a lug 21, and the lug 21 can be a plate-shaped structure. The lug 21 and the first connecting part 311 can be fastened together by a first fastener 34, and a first elastomer 32 is provided at the connection to absorb the vibration from the lug 21 and reduce the vibration from continuing to be transmitted to the first connecting part 311, thereby improving the user experience.
[0050] In some embodiments of the present invention, the outer surface of the first connecting portion 311 is partially recessed to form a connecting groove 3111, the lug 21 is inserted into the connecting groove 3111, and the number of first elastomers 32 is two. The two first elastomers 32 are respectively arranged on opposite sides of the lug 21 and are located between the lug 21 and the groove wall of the connecting groove 3111.
[0051] It can be understood that a connecting groove 3111 with open ends can be provided on one side of the first connecting portion 311, and the lug 21 can be installed in the connecting groove 3111, so that the parts of the first connecting portion 311 located on both sides of the connecting groove 3111 can be connected to the lug 21 together to fix the lug 21. Accordingly, a first elastic body 32 can be provided on the opposite sides of the lug 21, and the first elastic body 32 is clamped between the lug 21 and the groove wall at the connection. Specifically, the first elastic body 32 can be fastened to the first connecting portion 311 and the lug 21 by clamping or bolting, so that the first elastic body 32 can reduce the vibration of the lug 21 on both sides of the lug 21.
[0052] In some embodiments of the present invention, a first groove 211 is provided on opposite sides of the lug 21, and a first elastomer 32 is installed in each first groove 211. The first elastomer 32 has a mounting hole 321, and the mounting hole 321 passes through the first elastomer 32. Part of the groove wall of the connecting groove 3111 protrudes to form a plug-in portion 3112, and at least part of the plug-in portion 3112 is inserted into the mounting hole 321.
[0053] It can be understood that a first groove 211 in the form of a prism or a prism can be provided on opposite sides of the lug 21, and the first elastic body 32 can be a prism or a prism, such as a quadrangular pyramid or a quadrangular prism, or a combination of a prism and a prism, such as a prism with a small diameter end coaxially connected to the prism. The first elastic body 32 also has a mounting hole 321 running through it for passing through the first fastener 34 and the plug-in portion 3112. One side of the first connecting portion 311 forms a connecting portion. The connecting groove 3111, the groove wall portion of the connecting groove 3111 protrudes to form a plug-in portion 3112 that is compatible with the mounting hole 321. The plug-in portion 3112 can be prism-shaped or pyramid-shaped, such as a quadrangular pyramid or a quadrangular prism, or a combination of a prism and a pyramid, such as the small-diameter end of the pyramid is coaxially connected to the prism, so that the plug-in portion 3112 can be plugged into the mounting hole 321 and fit with the wall surface of the mounting hole 321, thereby allowing the mounting hole 321 to limit the rotation of the plug-in portion 3112. In addition, the first elastic body 32 can be arranged flush with the opening of the mounting hole 321, and a blocking portion is also provided between the plug-in portion 3112 and the first connecting portion 311. The cross-section of the blocking portion is larger than the plug-in portion 3112, so that after the plug-in portion 3112 is plugged into the mounting hole 321, the blocking portion abuts against the first elastic body 32, thereby separating the first connecting portion 311 from the first elastic body 32, and thus separating the first connecting portion 311 from the lug 21, so as to reduce wear caused by relative movement between the two.
[0054] In addition, the radial cross-section of the pit along the first fastener 34 can be non-circular, such as polygonal or star-shaped, so that when the shape of the plug-in portion 3112 is adapted to the shape of the pit, for example, when the plug-in portion 3112 also adopts a prismatic or star-shaped column structure, the plug-in portion 3112 cannot rotate after being inserted into the pit, so as to further improve the reliability of the connection and make the structural strength higher.
[0055] In some embodiments of the present invention, a first groove 211 is provided on opposite sides of the lug 21, and a first elastic body 32 is installed in each first groove 211. The side wall of the first groove 211 is partially raised to form a first limiting portion 212. The first elastic body 32 includes a first elastic column 322 and a second limiting portion 323. The second limiting portion 323 is arranged on the outer surface of the circumferential side of the first elastic column 322. The first elastic column 322 is spaced from the side wall of the first groove 211. The first limiting portion 212 is used to limit the circumferential rotation of the second limiting portion 323 along the first elastic column 322. Part of the groove wall of the connecting groove 3111 protrudes to form at least one plug-in portion 3112. At least a portion of the plug-in portion 3112 is plugged into the first groove 211. The second limiting portion 323 is used to limit the circumferential rotation of the plug-in portion 3112 along the first elastic column 322.
[0056] It can be understood that a roughly cylindrical first groove 211 can be provided on opposite sides of the lug 21, and a first elastic body 32 can be installed in the first groove 211. The first elastic body 32 includes a cylindrical first elastic column 322 and a second limiting portion 323 arranged on the side wall of the first elastic column 322. The side wall of the first groove 211 has a protruding first limiting portion 212. The first limiting portion 212 can be arranged at intervals along the circumference of the first groove 211. The second limiting portion 323 can also be arranged at intervals along the circumference of the first elastic column 322. A plug-in portion 3112 protruding from the groove wall is also provided in the connecting groove 3111. The plug-in portion 3112 can be arranged at intervals along the circumference of the through-hole on the first connecting portion 311. Taking the example of three first limiting portions 212, six second limiting portions 323 (three pairs), and three plug-in portions 3112, a first limiting portion 212 is provided between two second limiting portions 323 in a pair of second limiting portions 323, and a plug-in portion 3112 is provided between two adjacent pairs of second limiting portions 323, thereby limiting the rotation of the second limiting portion 323 by the action of the first limiting portion 212, and limiting the rotation of the plug-in portion 3112 by the action of the second limiting portion 323, thereby making the connection between the first connecting portion 311 and the lug 21 more reliable.
[0057] In some embodiments of the present invention, the first fastener 34 is sequentially passed through the first connecting portion 311, the first elastic body 32 located on one side of the lug 21, the lug 21 and the first elastic body 32 located on the other side of the lug 21, and is used to fasten the first connecting portion 311 to the lug 21.
[0058] It can be understood that the first fastener 34 can be a bolt or a screw, and a first through hole 3113 can be set on the first connecting part 311. The two first elastic bodies 32 are annular, and a through hole is also set on the lug 21 so that the first fastener 34 can be sequentially passed through the first connecting part 311, the first elastic body 32 located on one side of the lug 21, the lug 21 and the first elastic body 32 located on the other side of the lug 21 to fasten the first connecting part 311 to the lug 21.
[0059] In some embodiments of the present invention, there are two second elastic bodies 33, and a second elastic body 33 is provided on opposite sides of the second connecting portion 312 respectively. The second fastener 35 is a columnar structure, and both ends of the second fastener 35 are connected to the shell 11. The part between the two ends of the second fastener 35 is sequentially passed through the second elastic body 33 located on one side of the second connecting portion 312, the second connecting portion 312 and the second elastic body 33 located on the other side of the second connecting portion 312.
[0060] It can be understood that the second elastic body 33 can be installed on the opposite sides of the second connecting portion 312 by embedding, bonding or clamping. The second elastic body 33 can be an annular structure to facilitate the penetration and connection of the second fastener 35. The second elastic body 33 can also be a combination of cylinder-cone-cylinder and through-hole, so that the side wall of the second elastic body 33 has an angle, which enhances the connection reliability between the second elastic body 33 and the second connecting portion 312. The side of the second elastic body 33 facing away from the second connecting portion 312 abuts against the connecting platform inside the shell 11. The second fastener 35 can be a bolt or a screw. The two ends of the second fastener 35 can be connected to The fixing holes 111 on the two opposite side walls of the shell 11 are screwed together to achieve connection, and the middle part of the second fastener 35 is successively passed through the second elastic body 33 located on one side of the second connecting part 312, the second through-hole 3122 of the second connecting part 312 and the second elastic body 33 located on the other side of the second connecting part 312. By tightening the second fastener 35, the two opposite side walls of the shell 11 can be pulled closer, so that the connecting platforms on the two side walls are respectively in contact with the two second elastic bodies 33, so that the second elastic body 33 is clamped between the shell 11 and the second connecting part 312, thereby achieving a vibration reduction effect at the connection between the handle 10 and the casing 20.
[0061] In some embodiments of the present invention, a second groove 3121 is respectively provided on opposite sides of the second connection portion 312 . A second elastic body 33 is installed in each second groove 3121 , and at least a portion of the second elastic body 33 is located in the second groove 3121 .
[0062] It is understood that a cylindrical or truncated cone-shaped second groove 3121 is provided on opposite sides of the second connecting portion 312. The second elastic body 33 can be cylindrical or truncated cone-shaped and have a second through-hole extending therethrough. The second elastic body 33 can be partially embedded in the second groove 3121 to achieve connection with the second connecting portion 312 and improve connection reliability. The second elastic body 33 can also be partially installed in the second groove 3121, with a portion protruding from the second groove 3121, so as to separate the portion where the housing 11 is connected to the second elastic body 33 from the second connecting portion 312, thereby reducing wear there.
[0063] In some embodiments of the present invention, the handle 10 also includes a connecting column 13 arranged in the installation cavity 12, one end of the connecting column 13 is connected to the inner wall of the shell 11, and the connecting column 13 is coaxially arranged with the second fastener 35, the second connecting portion 312 and the second elastomer 33 are both sleeved on the connecting column 13, and part of the second fastener 35 is inserted in the connecting column 13.
[0064] It can be understood that the inner shell of the installation cavity 12 is provided with a connecting column 13 for inserting the second fastener 35. The connecting column 13 can be integrally formed with the shell 11. The connecting column 13 and the second fastener 35 are coaxially arranged and are successively passed through the annular second elastomer 33 located on one side of the second connecting part 312, the second through hole of the second connecting part 312, and the annular second elastomer 33 located on the other side of the second connecting part 312. The second fastener 35 is passed through the shell 11 and inserted into the connecting column 13 to fasten the shell 11 to the second connecting part 312. The connecting column 13 can have an internal thread, and the second fastener 35 can be a screw or a bolt, which is passed through the shell 11 and cooperates with the screw hole on the shell 11, and is also threadedly connected to the connecting column 13.
[0065] In some embodiments of the present invention, there are multiple connecting structures 30 , and the multiple connecting structures 30 are arranged at intervals along the axial direction of the motor.
[0066] It can be understood that multiple connecting structures 30 can be set at intervals along the axial direction of the motor to make the connection between the handle 10 and the housing 20 more reliable. Specifically, two connecting structures 30 can be set, and the two connecting structures 30 can be mirrored to make the stress design more reasonable.
[0067] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. An electric tool, characterized in that: include: handle; a housing for housing the motor; A connecting structure includes a rigid connector, a first elastomer, a second elastomer, a first fastener and a second fastener, the rigid connector includes a first connecting portion and a second connecting portion, the second connecting portion is connected to the first connecting portion, the first elastomer is arranged at the connection between the first connecting portion and the casing, and is located between the first connecting portion and the casing, the first connecting portion is connected to the casing through the first elastomer, the second elastomer is arranged at the connection between the second connecting portion and the handle, and is located between the second connecting portion and the handle, the second connecting portion is connected to the handle through the second elastomer, the first fastener is used to fasten the casing to the first connecting portion, and the second fastener is used to fasten the handle to the second connecting portion.
2. The electric tool according to claim 1, wherein: The handle includes a shell, an installation cavity is formed inside the shell, the connecting structure is arranged in the installation cavity, the outer surface of the housing is partially protruded to form a lug, the first connecting part is fixedly connected to the lug, and the first elastomer is arranged at the connection between the first connecting part and the lug, and is located between the first connecting part and the lug.
3. The electric tool according to claim 2, wherein: The outer surface of the first connecting portion is partially recessed to form a connecting groove, the lug is inserted into the connecting groove, and there are two first elastomers, which are respectively arranged on opposite sides of the lug and located between the lug and the groove wall of the connecting groove.
4. The electric tool according to claim 3, wherein: A first groove is provided on opposite sides of the lug, and a first elastomer is installed in each of the first grooves. The first elastomer has a mounting hole, and the mounting hole passes through the first elastomer. Part of the groove wall of the connecting groove protrudes to form a plug-in portion, and at least part of the plug-in portion is plugged into the mounting hole.
5. The electric tool according to claim 3, wherein: A first groove is provided on opposite sides of the lug, and a first elastic body is installed in each first groove. The side wall of the first groove is partially raised to form a first limiting portion. The first elastic body includes a first elastic column and a second limiting portion. The second limiting portion is arranged on the outer surface of the circumferential side of the first elastic column. The first elastic column is spaced from the side wall of the first groove. The first limiting portion is used to limit the circumferential rotation of the second limiting portion along the first elastic column. Part of the groove wall of the connecting groove protrudes to form at least one plug-in portion, and at least a portion of the plug-in portion is plugged into the first groove. The second limiting portion is used to limit the circumferential rotation of the plug-in portion along the first elastic column.
6. The electric tool according to claim 4, wherein: The first fastener is sequentially provided through the first connecting portion, the first elastic body located on one side of the lug, the lug and the first elastic body located on the other side of the lug, and is used for fastening the first connecting portion to the lug.
7. The electric tool according to claim 2, wherein: There are two second elastic bodies, and one second elastic body is provided on opposite sides of the second connecting part. The second fastener is a columnar structure, and both ends of the second fastener are connected to the shell. The part between the two ends of the second fastener is sequentially passed through the second elastic body located on one side of the second connecting part, the second connecting part, and the second elastic body located on the other side of the second connecting part.
8. The electric tool according to claim 7, wherein: A second groove is respectively provided on opposite sides of the second connecting portion. A second elastic body is installed in each of the second grooves, and at least a portion of the second elastic body is located in the second groove.
9. The electric tool according to claim 8, wherein: The handle also includes a connecting column arranged in the installation cavity, one end of the connecting column is connected to the inner wall of the shell, and the connecting column is coaxially arranged with the second fastener. The connecting column passes through the second connecting part and the entire second elastomer, and part of the second fastener is inserted into the connecting column.
10. The electric tool according to any one of claims 1 to 9, characterized in that: There are multiple connecting structures, and the multiple connecting structures are arranged at intervals along the axial direction of the motor.