CN220051722U - Damping auxiliary handle and power tool - Google Patents

Abstract

The utility model relates to a damping auxiliary handle and a power tool, wherein the damping auxiliary handle is used for the power tool and comprises a handle provided with a mounting groove; the elastic sheet metal part is provided with a clamping part, one end of the elastic sheet metal part is inserted into the mounting groove, and the clamping part is used for being clamped to a tool main body of the power tool; and the mounting piece is used for detachably connecting the elastic sheet metal part to the tool main body. According to the damping auxiliary handle, the elastic sheet metal part is used as the handle core structure, the damping function is given to the damping auxiliary handle by means of the elastic performance of the elastic sheet metal part, the structure is simple and easy to assemble, in addition, one end of the elastic sheet metal part is inserted into the handle and is clamped to the tool main body through the clamping part, and the damping effect is good.

Description

Damping auxiliary handle and power tool

Technical Field

The utility model relates to the technical field of power tools, in particular to a damping auxiliary handle and a power tool.

Background

The impact tool includes an electric hammer, an impact chisel, an electric drill, etc., which is widely used in various fields of industrial manufacturing, and the electric hammer is capable of drilling holes in concrete, floor slabs, brick walls, and stone by impacting a drill bit with compressed gas using the principle of piston movement. When the electric hammer is used, the power is larger, the generated vibration is larger, the numbness and fatigue of the arms of the user are easily caused, and the arms of the user are damaged after long-term use.

The electric hammer and the electric pick generally adopt a built-in counterweight device and a spring to play a role in damping, and the whole machine has complex structure, larger volume, increased weight and inconvenient maintenance.

Disclosure of Invention

Based on the defects in the prior art, the utility model aims to provide the damping auxiliary handle which is simple in structure and good in damping effect.

Therefore, the utility model provides the following technical scheme.

The present utility model provides a vibration-damping auxiliary handle for a power tool, the vibration-damping auxiliary handle comprising:

a handle provided with a mounting groove;

the elastic sheet metal part is provided with a clamping part, one end of the elastic sheet metal part is inserted into the mounting groove, and the clamping part is used for being clamped to a tool main body of the power tool;

and the mounting piece is used for detachably connecting the elastic sheet metal part to the tool main body.

Preferably, the elastic sheet metal part comprises a first plate body and a second plate body which are oppositely arranged, and a gap is arranged between the first plate body and the second plate body; the mounting piece is a hoop which is clamped in the gap.

Preferably, the mount comprises a hoop; the clamping part is a clamping ring, and the central axis of the clamping part coincides with the central axis of the hoop.

Preferably, the clamping portion is provided with a plurality of first clamping grooves, the hoop is provided with a plurality of second clamping grooves, and the plurality of first clamping grooves, the plurality of second clamping grooves and the plurality of clamping protrusions of the tool main body are in one-to-one fit.

Preferably, the inner diameter of the engagement portion is larger than the outer diameter of the portion of the tool body to be gripped.

Preferably, the auxiliary damping handle further comprises an elastic buffer block which is clamped in the gap.

Preferably, the mounting further comprises two locking ears at least partially outside the gap and a first fastener for locking the two locking ears.

Preferably, the shock absorbing auxiliary handle further comprises a second fastener; the handle is provided with a first mounting hole, the elastic sheet metal part is provided with a second mounting hole, and the second fastener passes through the first mounting hole and then is in threaded connection with the second mounting hole.

Preferably, the elastic sheet metal part is provided with a hollowed-out part.

The utility model also provides a power tool which comprises a tool main body and the damping auxiliary handle.

The utility model has the following technical effects:

the utility model provides a damping auxiliary handle, which takes an elastic sheet metal part as a handle core structure, and gives a damping function to the damping auxiliary handle by means of the elastic performance of the elastic sheet metal part, and has a simple structure and easy assembly. In addition, the handle is inserted to the one end of elasticity sheet metal component to through joint portion joint in the instrument main part, like this, through the thickness that prescribes a limit to elasticity sheet metal component, can satisfy the demand of shock attenuation auxiliary handle to structural strength, can also improve shock attenuation effect simultaneously.

Drawings

FIG. 1 is a schematic perspective view of a shock absorbing auxiliary handle according to the present utility model;

FIG. 2 is an exploded view of the structure of the shock absorbing auxiliary handle of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the vibration-damping auxiliary handle of the present utility model;

FIG. 4 is a schematic diagram showing the assembly structure of the auxiliary shock absorbing handle and the tool body according to the present utility model.

Description of the reference numerals

1. A shock absorption auxiliary handle;

11. a handle; 111. a mounting groove;

12. an elastic sheet metal part; 121. a clamping part; 1211. a first clamping groove; 122. a first plate body; 123. a second plate body; 124. a gap; 125. a second mounting hole; 126. a hollowed-out part;

13. a mounting member; 131. a hoop; 1311. a second clamping groove; 132. locking the lug part; 133. a first fastener;

14. an elastic buffer block; 141. a third mounting hole;

15. a second fastener;

2. a tool body; 21. and the clamping bulge is connected.

Detailed Description

In order to make the technical scheme and the beneficial effects of the utility model more obvious and understandable, the following detailed description is given by way of example. Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

In the description of the present utility model, unless explicitly defined otherwise, terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of simplifying the description of the present utility model, and do not indicate that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, i.e., are not to be construed as limiting the present utility model.

In the present utility model, the terms "first", "second" are used for descriptive purposes only and are not to be construed as relative importance of the features indicated or the number of technical features indicated. Thus, a feature defining "first", "second" may explicitly include at least one such feature. In the description of the present utility model, "plurality" means at least two; "plurality" means at least one; unless otherwise specifically defined.

In the present utility model, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly, unless otherwise specifically limited. For example, "connected" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless explicitly defined otherwise, a first feature "on", "above", "over" and "above", "below" or "under" a second feature may be that the first feature and the second feature are in direct contact, or that the first feature and the second feature are in indirect contact via an intermediary. Moreover, a first feature "above," "over" and "on" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the level of the first feature is higher than the level of the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the level of the first feature is less than the level of the second feature.

The power tool of the present utility model will be described in detail with reference to fig. 1 to 4.

In the present embodiment, as shown in fig. 4, the power tool includes a tool body 2, a main handle (not shown in the drawing), and a shock absorbing auxiliary handle 1, the tool body 2 being configured to form an impact force to impact a workpiece, wherein fig. 4 shows a partial structure of the tool body 2. As shown in fig. 1 and 2, the shock absorbing auxiliary handle 1 includes a handle 11, an elastic sheet metal part 12 and a mounting part 13, the handle 11 is provided with a mounting groove 111, and one end of the elastic sheet metal part 12 is inserted into the mounting groove 111. The elastic sheet metal part 12 is provided with a clamping part 121, and the clamping part 121 is used for clamping the tool body 2 of the power tool. The mounting member 13 is used for detachably connecting the elastic sheet metal part 12 to the tool main body 2, and further mounting the shock absorbing auxiliary handle 1 to the tool main body 2.

Through adopting above-mentioned technical scheme, regard as the handle core structure with elastic sheet metal component 12, give shock-absorbing function for shock attenuation auxiliary handle 1 with the help of the elasticity of elastic sheet metal component 12 self, simple structure and easy assembly. In addition, the handle 11 is inserted to the one end of elasticity sheet metal component 12 to through joint portion 121 joint in instrument main part 2, like this, through the thickness that prescribes a limit to elasticity sheet metal component 12, can satisfy the demand of shock attenuation auxiliary handle 1 to structural strength, can also improve the shock attenuation effect simultaneously.

In an embodiment, as shown in fig. 2, the clamping portion 121 is located at the other end of the elastic sheet metal part 12, which is beneficial to the compact design of the elastic sheet metal part 12.

In one embodiment, as shown in fig. 2, the elastic sheet metal part 12 includes a first plate 122 and a second plate 123 disposed opposite to each other, and a gap 124 is provided between the first plate 122 and the second plate 123. The mounting piece 13 is a hoop, the hoop is simple in structure, and the mounting piece can be rapidly assembled and disassembled with the tool main body 2. As shown in fig. 1 and 3, the mounting member 13 is clamped in the gap 124 such that when the mounting member 13 is mounted on the tool body 2, the first plate 122 and the second plate 123 are clamped to both sides of the mounting member 13, so that the elastic sheet metal member 12 is indirectly connected to the tool body 2.

Of course, the structure of the mounting member 13 is not limited to the anchor ear, and may be a snap structure or other detachable assembly structure such as a fastener.

Further, as shown in fig. 2, the elastic sheet metal member 12 is manufactured by bending a sheet metal member for the sake of simplifying the processing.

Further, as shown in fig. 1 to 3, the mount 13 includes a hoop 131; the clamping portion 121 is a snap ring, and a central axis of the clamping portion 121 coincides with a central axis of the hoop 131. Thus, when the shock-absorbing auxiliary handle 1 and the tool main body 2 are assembled, the mounting piece 13 is inserted between the first plate body 122 and the second plate body 123, the annular hole of the hoop 131 is aligned with the annular hole of the clamping portion 121, and then the tool main body 2 is connected in the hoop 131 and the clamping portion 121 in a penetrating manner, so that the clamping portion 121 is simple in structure and convenient to assemble. Of course, the structure of the clamping portion 121 is not limited thereto, and may be a non-closed loop structure, such as a clamping block.

Further, as shown in fig. 1 to 3, the clamping portion 121 is provided with a plurality of first clamping grooves 1211, the hoop 131 is provided with a plurality of second clamping grooves 1311, and the plurality of first clamping grooves 1211 and the plurality of second clamping grooves 1311 are arranged in a one-to-one matching manner with the plurality of clamping protrusions 21 of the tool main body 2, so that when the shock absorption auxiliary handle 1 is assembled on the tool main body 2, the clamping protrusions 21 are respectively clamped with the first clamping grooves 1211 and the second clamping grooves 1311, wherein the clamping of the first clamping grooves 1211 and the clamping protrusions 21 can improve the clamping firmness between the first clamping grooves 1211 and the clamping protrusions, and the shock absorption auxiliary handle 1 is beneficial to receiving shock generated by the tool main body 2 and absorbing shock; the second clamping groove 1311 is clamped with the clamping protrusion 21, so that the connection firmness between the second clamping groove 1311 and the clamping protrusion can be improved.

Further, the inner diameter of the clamping portion 121 is slightly larger than the outer diameter of the clamped portion of the tool body 2, so that the tool body 2 can be easily connected in the clamping portion 121 in a penetrating manner, and the vibration force can be transmitted through the clamping of the first clamping groove 1211 and the clamping protrusion 21.

Further, as shown in fig. 2, the first clamping grooves 1211 are arranged in a circumferential array, which is beneficial to uniformly transmitting the vibration force generated by the tool main body 2 to the elastic sheet metal part 12, so as to improve the shock absorbing effect.

In an embodiment, as shown in fig. 2 and 3, the auxiliary shock-absorbing handle 1 further includes an elastic buffer block 14, the elastic buffer block 14 is clamped in the gap 124, the shock-absorbing performance of the auxiliary shock-absorbing handle 1 is improved by the elastic buffer block 14, and the gap 124 is partially filled by the elastic buffer block 14, so that the elastic sheet metal part 12 can be stably inserted into the mounting groove 111 of the handle 11. Wherein the elastic buffer block 14 comprises, but is not limited to, a rubber block or a latex block, and has simple structure.

Further, as shown in fig. 3, an elastic buffer 14 is located in the handle 11.

Further, as shown in fig. 3, the length of the portion of the elastic sheet metal part 12 located in the mounting groove 111 is equal to or longer than one half of the length of the handle 11, so that the elastic sheet metal part 12 improves the shock absorbing effect on the handle 11.

In one embodiment, as shown in fig. 1-3, the mounting member 13 further includes two locking ears 132 and a first fastener 133, the locking ears 132 being located at least partially outside the gap 124, such that a user may operate the first fastener 133 to lock the two locking ears 132.

In one embodiment, as shown in fig. 1 and 2, the shock absorbing auxiliary handle 1 further includes a second fastener 15; the handle 11 is provided with a first mounting hole (not shown), the elastic sheet metal part 12 is provided with a second mounting hole 125, and the second fastener 15 is screwed into the second mounting hole 125 after passing through the first mounting hole, so that the elastic sheet metal part 12 is firmly assembled to the handle 11.

Further, as shown in fig. 2, when the elastic buffer block 14 is sandwiched between the first plate body 121 and the second plate body 122, the first plate body 121 and the second plate body 122 are respectively provided with the second mounting hole 125, the elastic buffer block 14 is provided with the third mounting hole 141, and the second fastener 15 sequentially passes through the first mounting hole and the second mounting hole 125 and then is screwed to the third mounting hole 141.

In an embodiment, as shown in fig. 1, the elastic sheet metal part 12 is provided with a hollowed portion 126, so as to improve the elastic performance of the elastic sheet metal part 12 and further improve the damping effect.

It should be understood that the above examples are illustrative and are not intended to encompass all possible implementations encompassed by the claims. Various modifications and changes may be made in the above embodiments without departing from the scope of the disclosure. Likewise, the individual features of the above embodiments can also be combined arbitrarily to form further embodiments of the utility model which may not be explicitly described. Therefore, the above examples merely represent several embodiments of the present utility model and do not limit the scope of protection of the patent of the present utility model.

Claims (10)

1. A shock absorbing auxiliary handle for a power tool, characterized in that the shock absorbing auxiliary handle (1) comprises:

a handle (11) provided with a mounting groove (111);

an elastic sheet metal part (12) provided with a clamping part (121), wherein one end of the elastic sheet metal part (12) is inserted into the mounting groove (111), and the clamping part (121) is used for being clamped to a tool main body (2) of the power tool;

-a mounting (13) for detachably connecting the elastic sheet metal part (12) to the tool body (2).

2. The shock-absorbing auxiliary handle according to claim 1, wherein the elastic sheet metal part (12) comprises a first plate body (122) and a second plate body (123) which are oppositely arranged, and a gap (124) is arranged between the first plate body (122) and the second plate body (123); the mounting piece (13) is a hoop which is clamped in the gap (124).

3. The shock absorbing auxiliary handle according to claim 2, wherein the mounting (13) comprises a hoop (131); the clamping part (121) is a clamping ring, and the central axis of the clamping part (121) coincides with the central axis of the hoop (131).

4. A shock absorbing auxiliary handle according to claim 3, wherein the clamping part (121) is provided with a plurality of first clamping grooves (1211), the hoop (131) is provided with a plurality of second clamping grooves (1311), and the plurality of first clamping grooves (1211) and the plurality of second clamping grooves (1311) are arranged in a one-to-one fit with the plurality of clamping protrusions (21) of the tool main body (2).

5. The vibration-damping assist handle according to claim 4, characterized in that the inner diameter of the clamping portion (121) is larger than the outer diameter of the clamped portion of the tool body (2).

6. The shock absorbing auxiliary handle according to claim 2, wherein the shock absorbing auxiliary handle (1) further comprises an elastic buffer block (14) which is clamped in the gap (124).

7. The shock absorbing auxiliary handle according to claim 2, wherein the mounting member (13) further comprises two locking ears (132) and a first fastener (133), the locking ears (132) being located at least partially outside the gap (124), the first fastener (133) being adapted to lock the two locking ears (132).

8. The shock absorbing auxiliary handle according to any one of claims 1-7, wherein the shock absorbing auxiliary handle (1) further comprises a second fastener (15); the handle (11) is provided with a first mounting hole, the elastic sheet metal part (12) is provided with a second mounting hole (125), and the second fastener (15) passes through the first mounting hole and then is in threaded connection with the second mounting hole (125).

9. The shock absorbing auxiliary handle according to any one of claims 1-7, wherein the elastic sheet metal part (12) is provided with a hollowed-out portion (126).

10. A power tool comprising a tool body (2) and a shock absorbing auxiliary handle according to any one of claims 1-9.