CN117798871A - Electric impact tool - Google Patents

Abstract

The present invention relates to an electric impact tool, comprising: a rear case; a front shell; an inner housing movably connected to the rear housing; an impact mechanism; a first shock absorbing assembly comprising a shock absorbing member; the shock absorbing member is movably connected to the inner housing in a first direction and is movably connected to the rear housing in a second direction; the first direction extends along the front-back direction and intersects the axial direction, and the second direction extends along the up-down direction and is perpendicular to the axial direction; when the electric impact tool works, the inner shell moves along the axial direction, so that the damping piece moves relative to the inner shell in the first direction and moves relative to the rear shell in the second direction, and the front-rear relative position and the upper-lower relative position between the damping piece and the inner shell are changed. According to the electric impact tool, the first damping component is arranged between the inner shell and the rear shell, so that shock in the front-back direction and the up-down direction, which are transmitted to the rear shell by the inner shell, can be reduced, and the user experience is greatly improved.

Description

Electric impact tool

Technical Field

The invention relates to the technical field of electric tools, in particular to an electric impact tool.

Background

Electric impact tools (e.g., electric hammers and picks) are a type of tools that perform work by applying a rotary striking impact to an output shaft (anvil) using a hammer rotated by a motor output power, and the reaction force generated by a working surface during the work causes the tool to vibrate greatly, thereby affecting the user's experience.

Disclosure of Invention

In view of the above-described drawbacks of the related art, an object of the present invention is to provide an electric impact tool capable of reducing shock in both the front-rear direction and the up-down direction, which are transmitted from an inner housing to a rear housing.

Therefore, the invention provides the following technical scheme.

The present invention provides an electric impact tool including:

a rear case formed with a handle;

a front shell which forms a shell structure together with the rear shell;

an inner housing which is located within the front housing and which is movably connected to the rear housing in an axial direction of the working head;

an impact mechanism installed in the inner case and configured to output an impact force to the working head;

a first shock absorbing assembly comprising a shock absorbing member; the shock absorbing member is movably connected to the inner case in a first direction and to the rear case in a second direction; the first direction extends along the front-back direction and intersects the axial direction, and the second direction extends along the up-down direction and is perpendicular to the axial direction;

when the electric impact tool works, the inner shell moves along the axial direction, so that the damping piece moves relative to the inner shell in the first direction and also moves relative to the rear shell in the second direction, the front-back relative position and the upper-lower relative position between the damping piece and the inner shell are changed, and the shock sensation transferred from the inner shell to the rear shell is reduced.

Preferably, the damper is provided with a first guide structure extending along the first direction, and the first damper assembly comprises a first limiting pin, one end of which is connected to the inner shell, and the other end of which is movably limited on the first guide structure; and/or the number of the groups of groups,

the damping piece is provided with a second guiding structure along the second direction, the first damping component comprises a second limiting pin, one end of the second limiting pin is connected with the rear shell, and the other end of the second limiting pin is movably limited in the second guiding structure.

Preferably, the first guide structure and/or the second guide structure is a guide hole or a guide groove.

Preferably, the damping member has a bent structure, and is provided with two opposite side plates, and the damping member partially surrounds the inner shell from the rear end of the inner shell; the two side plates are respectively movably connected to the inner housing in a first direction.

Preferably, the damper includes a bottom plate between the inner case and the rear case, the bottom plate being movably connected to the rear case in the second direction.

Preferably, the first damper assembly includes a first elastic member abutting against the damper member and the rear case, respectively, in the second direction.

Preferably, the number of the first elastic pieces is at least two, and the at least two first elastic pieces are abutted against two sides of the shock absorbing piece in opposite directions in the second direction.

Preferably, the electric impact tool includes a mount connected to the rear case, and the damper is connected to the mount movably in the second direction.

Preferably, the mounting piece is provided with a plug-in part, the rear shell is provided with a plug-in groove, the plug-in part is plugged in the plug-in groove, and the mounting piece and the rear shell are fixed through a fastener.

Preferably, the mounting piece is provided with a limit groove, and the first damping component comprises a first elastic piece; the two ends of the first elastic piece are respectively abutted to the limiting groove and the damping piece.

The invention has the following technical effects:

the invention provides an electric impact tool, which can reduce shock sense in the front-back direction and the up-down direction transmitted by an inner shell to a rear shell by arranging a first shock absorption component between the inner shell and the rear shell and limiting the connection relation between a shock absorption component and the inner shell and the rear shell, thereby greatly improving user experience sense.

Drawings

FIG. 1 is a schematic perspective view of an electric impact tool according to the present invention;

fig. 2 is a structural cross-sectional view of the electric impact tool of the present invention;

FIG. 3 is a side view of a partial structure of the electric impact tool of the present invention;

FIG. 4 is a schematic view of a partial perspective view of the electric impact tool according to the present invention;

FIG. 5 is a schematic view showing a partial perspective structure of the electric impact tool according to the present invention;

FIG. 6 is an exploded view of a partial structure of the electric impact tool of the present invention;

fig. 7 is a schematic perspective view of a shock absorbing member according to the present invention.

Description of the reference numerals

100. An electric impact tool;

1. a rear case; 11. a handle; 12. a plug-in groove; 13. a second clamping groove;

2. a front shell;

3. an inner case; 31. a first mounting hole;

4. an impact mechanism; 41. an impact assembly; 411. a cylinder; 412. a piston; 413. a ram; 414. a striker; 42. a gear assembly; 421. a transmission gear; 422. an eccentric wheel; 423. a connecting rod; 424. an eccentric pin;

5. a first shock absorbing assembly; 51. a shock absorbing member; 511. a first guide structure; 512. a second guide structure; 513. a side plate; 514. a bottom plate; 5141. a first extension; 5142. a second extension; 5143. a shoulder bulge; 52. a first limit pin; 53. a second limiting pin; 54. a first elastic member; 55. a second rubber gasket;

6. a mounting member; 61. a plug-in part; 62. a limit groove; 63. a second mounting hole;

7. a motor; 71. a drive gear;

8. a bolt;

9. a second shock absorbing assembly; 91. a first connector; 911. a first clamping groove; 92. a second elastic member; 93. a second connector; 931. a second clamping groove; 932. and a second protrusion.

Detailed Description

In order to make the technical scheme and the beneficial effects of the invention 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 technical and scientific terms in the technical field to which this application belongs.

In the description of the present invention, 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 invention, 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 invention.

In the present invention, 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 invention, "plurality" means at least two; "plurality" means at least one; unless otherwise specifically defined.

In the present invention, 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, 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.

All references to "front", "back", "left", "right", "upper" and "lower" in this invention are in reference to the designations in fig. 1-3 and 6.

The electric impact tool of the present invention will be described in detail with reference to fig. 1 to 7.

In the present embodiment, as shown in fig. 1 to 6, the electric impact tool 100 includes a rear case 1, a front case 2, an inner case 3, an impact mechanism 4, a first damper assembly 5, and a motor 7, a handle 11 is formed on the rear case 1, and the front case 2 and the rear case 1 together form an outer case structure. The inner housing 3 is located in the front housing 2 and the impact mechanism 4 is mounted in the inner housing 3. The impact mechanism 4 comprises an impact assembly 41 and a gear assembly 42, the motor 7 is located below the impact assembly 41, the gear assembly 42 is used for transmitting power provided by the motor 7 to the impact assembly 41, and the impact assembly 41 is used for outputting impact force to the working head. The inner housing 3 is movably connected to the rear housing 1 in the axial direction of the working head, so that when the power impact tool 100 works on the working surface, the working surface generates a reaction force to the power impact tool 100, and the inner housing 3 moves relative to the rear housing 1 in the axial direction under the reaction force, thereby playing a role in damping to some extent.

As shown in fig. 3, 4 and 6, the first damper assembly 5 includes a damper 51, the damper 51 being movably connected to the inner housing 3 in a first direction, and the damper 51 being movably connected to the rear housing 1 in a second direction. The first direction extends along the front-back direction and intersects the axial direction, and the second direction extends along the up-down direction and is perpendicular to the axial direction. Thus, when the electric impact tool 100 is operated, the inner housing 3 moves in the axial direction of the working head due to the reaction force generated by the working surface, and the inner housing 3 applies the axial force to the damper 51, at this time, the damper 51 can move in the first direction with respect to the inner housing 3, and the damper 51 moves in the second direction with respect to the rear housing 1. Wherein, the movement that shock absorber 51 takes place in first direction can change the front and back relative position and the upper and lower relative position between shock absorber 51 and inner shell 3 to the change of the front and back position of shock absorber 51 can reduce the shock sensation of inner shell 3 transmission to the front and back direction of backshell 1, and the change of the upper and lower position of shock absorber 51 can reduce the shock sensation of inner shell 3 transmission to the upper and lower direction of backshell 1, and then can obviously reduce the shock sensation of inner shell 3 transmission to backshell 1, improves user experience and feels. In addition, during the movement of the damper 51 in the first direction, both the front and rear positions and the up and down positions of the damper 51 are changed, and thus, the front and rear relative positions of the damper 51 and the rear case 1 are not changed due to the movable connection between the inner case 3 and the rear case 1, but in order that the up and down positions of the damper 51 can be changed, the damper 51 needs to be movable in the second direction relative to the rear case 1.

Through adopting above-mentioned technical scheme, through setting up first damper 5 between inner shell 3 and backshell 1 to inject the relation of being connected of damper 51 and inner shell 3 and backshell 1, can reduce the shock sense in the two directions of the fore-and-aft direction and the upper and lower direction that inner shell 3 transmitted backshell 1, improve user experience sense greatly.

In one embodiment, as shown in fig. 3, 6 and 7, the damper 51 is provided with a first guide structure 511 extending in a first direction, and the first damper assembly 5 includes a first limiting pin 52, one end of the first limiting pin 52 is connected to the inner housing 3 and the other end thereof is movably limited to the first guide structure 511. When the inner housing 3 moves in the axial direction with respect to the rear housing 1, the damper 51 moves in the first direction by the engagement of the first stopper pin 52 with the first guide structure 511.

Further, in an embodiment, as shown in fig. 3, 6 and 7, the first guiding structure 511 is a guiding hole, the length direction of the guiding hole is the first direction, the inner shell 3 is provided with a first mounting hole 31, the first limiting pin 52 passes through the first guiding structure 511 and is fixed in the first mounting hole 31, and the guiding in the first direction is achieved through the matching of the hole and the pin, wherein the number of the first guiding structures 511 may be one or more, and the first limiting pins 52 are arranged in a one-to-one matching manner with the first guiding structures 511. A first rubber washer (not shown) between the first stopper pin 52 and the damper 51 to reduce wear between the first stopper pin 52 and the damper 51. Preferably, the number of the first guide structures 511 is two in order to guide stability while ensuring structural simplicity. Preferably, to simplify the structural design, the first guide structure 511 is a kidney-shaped hole.

In yet another embodiment, the first guiding structure 511 is a guiding groove and the number of the guiding structures is two (not shown in the figure), and the left and right side walls of the inner shell 3 are respectively protruded outwards (not shown in the figure) to form first limiting pins 52 respectively, and the first limiting pins 52 are inserted into the first guiding structure 511, and guiding in the first direction is achieved through the cooperation of the grooves and the protrusions.

In one embodiment, as shown in fig. 6 and 7, the damper member 51 is provided with a second guide structure 512 along the second direction, the first damper assembly 5 includes a second stopper pin 53, one end of the second stopper pin 53 is directly or indirectly connected to the rear case 1 and the other end thereof is movably restricted to the second guide structure 512. When the inner housing 3 moves in the axial direction relative to the rear housing 1, the damper 51 moves in the second direction by the engagement of the second stopper pin 53 with the second guide structure 512.

Further, in an embodiment, as shown in fig. 6 and 7, the second guiding structure 512 is a guiding hole, the length direction of the guiding hole is the second direction, the second limiting pin 53 passes through the second guiding structure 512, and the second guiding structure 512 is guided in the second direction through the matching of the hole and the pin, where the number of the second guiding structures 512 may be one or more, and the second limiting pins 53 are arranged in a one-to-one matching manner with the second guiding structure 512. A second rubber washer 55 between the second stopper pin 53 and the damper 51 to reduce wear between the second stopper pin 53 and the damper 51. Preferably, the number of the second guide structures 512 is two in order to guide stability while ensuring structural simplicity. Preferably, the second guide structure 512 is a waist-shaped hole for simplifying the structural design.

In yet another embodiment, the second guiding structure 512 is a guiding groove (not shown in the figure), and the second limiting pin 53 is inserted into the second guiding structure 512, and guiding in the second direction is achieved by the cooperation of the groove and the protrusion.

In one embodiment, as shown in fig. 6 and 7, the shock absorbing member 51 has a bent structure, and two opposite side plates 513 are provided, as shown in fig. 3 and 4, such that the shock absorbing member 51 partially surrounds the inner housing 3 from the rear end of the inner housing 3, and the side plates 513 are located at the sides of the inner housing 3, thereby facilitating the miniaturization of the axial dimension of the electric impact tool 100. The two side plates 513 are respectively provided with a first guide structure 511, so that the two side plates 513 are respectively movably connected to the inner housing 3 in the first direction by the cooperation of the first guide structure 511 and the first limit pin 52.

Further, as shown in fig. 6 and 7, the damper 51 includes a bottom plate 514 between the inner case 3 and the rear case 1, and a second guide structure 512 is provided on the bottom plate 514, so that the bottom plate 514 is movably connected to the rear case 1 in the second direction by the cooperation of the second guide structure 512 and the second stopper pin 53. And, a bottom plate 514 is provided between the inner case 3 and the rear case 1 so that the damper 51 is movably coupled with the rear case 1 in the second direction.

In one embodiment, the shock absorbing member 51 is a sheet metal member, which has high strength and facilitates bending processing. Of course, the material of the damper 51 is not limited to the sheet metal member, and may be a member made of other materials such as plastic.

In one embodiment, as shown in fig. 5 and 6, the first damper assembly 5 includes a first elastic member 54 that is respectively abutted against the damper 51 and the rear case 1 in the second direction, and the impact force generated when the vertical position of the damper 51 is changed is absorbed by the first elastic member 54, thereby further improving the damping effect.

Further, as shown in fig. 6, the number of the first elastic members 54 is four, wherein two first elastic members 54 are abutted downward against the shock absorbing member 51 to absorb the upward impact force of the shock absorbing member 51, and the other two first elastic members 54 are abutted upward against the shock absorbing member 51 to absorb the downward impact force of the shock absorbing member 51 to ensure the shock absorbing effect in the up-down direction. Of course, the number of the first elastic members 54 is not limited to four, but may be two, three or more, so long as the first elastic members 54 are disposed in both the upper and lower directions of the shock absorbing member 51.

In one embodiment, as shown in fig. 6, the electric impact tool 100 includes a mount 6, the mount 6 being connected to the rear case 1, and a damper 51 being movably connected to the mount 6 in the second direction. The shock absorbing member 51 is assembled with the rear case 1 by the mounting member 6, so that structural modification of the rear case 1 can be reduced, and the processing die cost can be reduced.

Further, as shown in fig. 6, the mounting member 6 is provided with a plugging portion 61, the rear housing 1 is provided with a plugging slot 12, the plugging portion 61 is plugged into the plugging slot 12 to perform positioning and preassembly, and then the mounting member 6 and the rear housing 1 are fixed by a fastener (such as a bolt 8) to improve the assembly stability of the mounting member and the rear housing. Specifically, as shown in fig. 6 and 7, the mounting member 6 is provided with a second mounting hole 63, and the second stopper pin 53 is fixed to the second mounting hole 63 after passing through the second guide structure 512, and the damper member 51 is indirectly connected to the rear housing 1 through the mounting member 6, so that the damper member 51 can move relative to the rear housing 1 in the second direction when the inner housing 3 moves in the axial direction of the work head due to the reaction force generated by the work surface.

Further, as shown in fig. 5 and 6, the mounting member 6 is provided with a limiting groove 62, and both ends of the first elastic member 54 are respectively abutted against the limiting groove 62 and the shock absorbing member 51, so that the first elastic member 54 is assembled.

In one embodiment, as shown in fig. 7, the bottom plate 514 of the shock absorbing element 51 extends upward to form a first extension 5141, extends downward to form a second extension 5142, and the bottom plate 514 is provided with two second guiding structures 512, and the two second guiding structures 512 are respectively located on the first extension 5141 and the second extension 5142. As shown in fig. 6 and 7, two shoulder protrusions 5143 are respectively disposed at two ends of the bottom plate 514, four corners of the mounting member 6 are respectively bent to form a limiting groove 62, a first groove is formed between the two limiting grooves 62 located above, a second groove is formed between the two limiting grooves 62 located below, a first extension portion 5141 is disposed in the first groove of the mounting member 6, a second extension portion 5142 is disposed in the second groove of the mounting member 6, four shoulder protrusions 5143 are respectively disposed corresponding to the four limiting grooves 62, the first damping assembly 5 includes four first elastic members 54, one ends of the first elastic members 54 are abutted against the groove walls of the limiting grooves 62, and the other ends of the first elastic members 54 are sleeved on the shoulder protrusions 5143.

Taking the electric impact tool shown in fig. 3 to 7 as an example, when the electric impact tool 100 is in the initial position (first limit position), the first limiting pin 52 is located at the front upper end of the first guide structure 511, and the second limiting pin 53 is located at the upper end of the second guide structure 512. When the electric impact tool 100 is operated, the inner housing 3 applies a force to the damper 51 under a reaction force generated from the working surface, and the first guide structure 511 moves to the second limit position in the first direction, at this time, the first limit pin 52 is located at the rear lower end of the first guide structure 511, and the second limit pin 53 is located at the lower end of the second guide structure 512. The shock absorbing member 51 reciprocates in the second direction throughout the operation of the electric impact tool 100 to perform a continuous shock absorbing function.

In one embodiment, as shown in fig. 5 and 6, the electric impact tool 100 includes a second damper assembly 9 disposed between the inner housing 3 and the rear housing 1 to reduce the fore-and-aft shock sensation transmitted from the inner housing 3 to the rear housing 1.

Further, as shown in fig. 5 and 6, the second damper assembly 9 includes a first connector 91, a second elastic member 92 and a second connector 93 sequentially disposed along an axial direction, the first connector 91 is fixed to the inner case 3, the second connector 93 is fixed to the rear case 1, and both ends of the second elastic member 92 are connected to the first connector 91 and the second connector 93, respectively. When the inner housing 3 moves in the axial direction of the working head due to the reaction force generated by the working surface, the second elastic member 92 can absorb the axial impact force to perform shock absorption in the axial direction (front-rear shock absorption). Also, the second damper assembly 9 can also function to connect the inner case 3 and the rear case 1 movably in the axial direction.

Further, as shown in fig. 6, the first connector 91 is provided with a first clamping groove 911, the second connector 93 is provided with a first protrusion 931 and a second protrusion 932, the rear housing 1 is provided with a second clamping groove 13, the first protrusion 931 is axially clamped in the first clamping groove 911, and the second protrusion 932 is axially clamped in the second clamping groove 13.

In one embodiment, as shown in fig. 2, the gear assembly 42 includes a transmission gear 421, an eccentric wheel 422 and a connecting rod 423, the output shaft of the motor 7 is provided with a driving gear 71, the transmission gear 421 is meshed with the driving gear 71, the eccentric wheel 422 is in transmission connection with the transmission gear 421, the connecting rod 423 is fixed with the eccentric wheel 422 through an eccentric pin 424, when the motor 7 moves, the driving gear 71 drives the transmission gear 421 to rotate, the transmission gear 421 drives the eccentric wheel 422 to rotate, and the eccentric wheel 422 drives the connecting rod 423 to reciprocate.

In one embodiment, as shown in fig. 2, the impact assembly 41 includes a cylinder 411, a piston 412, a ram 413, and a ram 414, the piston 412 is slidably connected in the cylinder 411, the ram 414, the ram 413, the piston 412, and the link 423 are sequentially disposed in a front-rear direction, one end of the piston 412 is connected to the link 423, and when the link 423 reciprocates, the link 423 drives the piston 412 to reciprocate in the cylinder 411, compressing an air cushion between the piston 412 and the ram 413, thereby driving the ram 413 to reciprocate, so that the ram 413 intermittently impacts the ram 414, and the impact work is achieved by the ram 414 impacting the work head.

In one embodiment, as shown in fig. 6, the first elastic member 54 and/or the second elastic member 92 are springs, which are simple in structure and easy to assemble.

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 invention which may not be explicitly described. Therefore, the above examples merely represent several embodiments of the present invention and do not limit the scope of protection of the patent of the present invention.

Claims (10)

1. An electric impact tool, characterized in that the electric impact tool (100) comprises:

a rear case (1) formed with a handle (11);

a front shell (2) which forms a housing structure together with the rear shell (1);

an inner housing (3) which is located within the front housing (2) and which is movably connected to the rear housing (1) in an axial direction of the working head;

an impact mechanism (4) which is installed in the inner housing (3) and which outputs an impact force to the working head;

-a first shock-absorbing assembly (5) comprising a shock-absorbing member (51); the shock absorber (51) is connected to the inner shell (3) movably in a first direction and it is connected to the rear shell (1) movably in a second direction; the first direction extends along the front-back direction and intersects the axial direction, and the second direction extends along the up-down direction and is perpendicular to the axial direction;

when the electric impact tool (100) works, the inner shell (3) moves along the axial direction, so that the shock absorbing member (51) moves relative to the inner shell (3) in the first direction and moves relative to the rear shell (1) in the second direction, the front-back relative position and the upper-lower relative position between the shock absorbing member (51) and the inner shell (3) are changed, and the shock sensation transferred from the inner shell (3) to the rear shell (1) is reduced.

2. The electric impact tool according to claim 1, wherein the damper (51) is provided with a first guide structure (511) extending in the first direction, the first damper assembly (5) including a first stopper pin (52), the first stopper pin (52) being connected at one end to the inner housing (3) and being movably limited at the other end thereof to the first guide structure (511); and/or the number of the groups of groups,

the damping member (51) is provided with a second guiding structure (512) along the second direction, the first damping assembly (5) comprises a second limiting pin (53), one end of the second limiting pin (53) is connected with the rear shell (1), and the other end of the second limiting pin is movably limited in the second guiding structure (512).

3. The electric impact tool according to claim 2, wherein the first guiding structure (511) and/or the second guiding structure (512) are guiding holes or guiding grooves.

4. A power impact tool according to any one of claims 1-3, characterized in that the damping member (51) has a bent structure provided with two oppositely arranged side plates (513), the damping member (51) partially surrounding the inner housing (3) from the rear end of the inner housing (3); two of the side plates (513) are respectively movably connected to the inner housing (3) in a first direction.

5. The electric impact tool according to claim 4, wherein the shock absorbing member (51) includes a bottom plate (514) located between the inner housing (3) and the rear housing (1), the bottom plate (514) being movably connected to the rear housing (1) in the second direction.

6. A power impact tool according to any one of claims 1-3, characterized in that the first damping member (5) comprises a first elastic member (54) abutting against the damping member (51) and the rear housing (1), respectively, in the second direction.

7. The electric impact tool according to claim 6, wherein the number of the first elastic members (54) is at least two, and at least two of the first elastic members (54) are abutted against both sides of the damper member (51) in the second direction.

8. A power impact tool according to any one of claims 1-3, characterized in that the power impact tool (100) comprises a mounting member (6) connected to the rear housing (1), the damping member (51) being connected to the mounting member (6) movably in the second direction.

9. The electric impact tool according to claim 8, wherein the mounting member (6) is provided with a socket portion (61), the rear case (1) is provided with a socket groove (12), the socket portion (61) is plugged into the socket groove (12), and the mounting member (6) and the rear case (1) are fixed by a fastener.

10. A power impact tool according to claim 8, characterized in that the mounting member (6) is provided with a limit groove (62), the first damping member (5) comprising a first resilient member (54); both ends of the first elastic piece (54) are respectively abutted to the limiting groove (62) and the shock absorbing piece (51).