CN212665926U

CN212665926U - Impact wrench

Info

Publication number: CN212665926U
Application number: CN202020721070.7U
Authority: CN
Inventors: 程峰
Original assignee: Wuyi Shenglong Metal Products Co ltd
Current assignee: Wuyi Shenglong Metal Products Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-03-09
Anticipated expiration: 2030-05-06

Abstract

The utility model belongs to the technical field of electric tool, refer in particular to an impact wrench, include: a handle having one end and another end, wherein the other end is used for mounting a battery pack; a housing connected to one end of the handle, the housing for housing a motor and/or a transmission assembly; the handle includes that upper handle, lower handle are used for connecting the damping device who connects upper handle and lower handle, damping device is including being used for connecting the rubber ring of upper handle and lower handle, the rubber ring is inside to be equipped with a plurality of first springs along the circumference, be equipped with first rubber pad between the first spring. The utility model aims at providing a stable in structure, have shock attenuation effect, long service life's impact wrench.

Description

Impact wrench

Technical Field

The utility model belongs to the technical field of electric tool, refer in particular to an impact wrench.

Background

Hand-held power tools, such as impact wrenches, drills, angle grinders, and the like, use dc motors in some cases and ac motors in some cases. The ac motor is generally supplied with ac power via a power cord, and the dc motor is generally supplied with power via a battery pack, i.e. a rechargeable battery pack is arranged in the housing of the hand-held tool, which battery pack is electrically connected to the dc motor.

In the using process of the impact wrench, the impact wrench is severely vibrated due to the impact effect, the communication of the battery pack and the structural stability of the battery pack are seriously affected, so that the whole machine cannot work, and the problem is more obvious along with the increase of the torque force.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stable in structure, have shock attenuation effect, long service life's impact wrench.

The purpose of the utility model is realized like this: an impact wrench, comprising:

a handle having one end and another end, wherein the other end is used for mounting a battery pack;

a housing connected to one end of the handle, the housing for housing a motor and/or a transmission assembly;

the handle includes that upper handle, lower handle are used for connecting the damping device who connects upper handle and lower handle, damping device is including being used for connecting the rubber ring of upper handle and lower handle, the rubber ring is inside to be equipped with a plurality of first springs along the circumference, be equipped with first rubber pad between the first spring.

Preferably, the inner walls of the upper end and the lower end of the rubber ring are provided with annular strips, and the annular strips are clamped with annular grooves formed in the outer walls of the upper handle and the lower handle.

Preferably, a connecting piece is arranged below the handle, limiting strips are arranged on two inner walls of the connecting piece, and the limiting strips are clamped with grooves formed in the upper end of the battery pack.

Preferably, two spacing one side all is equipped with the block rubber, the block rubber and the fashioned second rubber pad looks butt in recess one side.

Preferably, the upper end face of the battery pack is provided with a third rubber pad for damping.

Preferably, the handle is connected with the casing through a first fastening piece, and an elastic piece is sleeved on the first fastening piece.

Preferably, the battery package includes the shell and sets up the lithium cell main part in the shell, lithium cell main part up end and lower terminal surface all are equipped with the shock pad, terminal surface looks butt about shock pad and the shell.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the utility model provides an impact wrench, through the damping device in the handle, when the complete machine is working, the damping device can transmit the casing to the vibration weakening on the battery package, reduce the vibration impact, thereby reach the damping effect; the elastic piece is sleeved on the first fastening piece, so that the installation and the disassembly are convenient, and the use is convenient; therefore, the elastic part plays a role in protecting the impact wrench, the failure rate is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the connecting member of the present invention;

fig. 3 is a schematic diagram of the battery pack of the present invention.

Detailed Description

The invention will be further described with reference to specific embodiments.

As shown in fig. 1-3, an impact wrench includes:

a handle 1 having one end and the other end, wherein the other end is used for mounting a battery pack 2;

a housing 3 connected to one end of the handle 1, the housing 3 being used for accommodating a motor and/or a transmission assembly;

the handle 1 comprises an upper handle 4 and a lower handle 5, wherein the upper handle 4 and the lower handle 5 are connected with a damping device 6, the damping device 6 comprises a rubber ring 7 used for connecting the upper handle 4 and the lower handle 5, a plurality of first springs 8 are arranged inside the rubber ring 7 along the circumference, and first rubber pads 9 are arranged between the first springs 8.

According to the impact wrench provided by the technical scheme, through the damping device 6 in the handle, when the whole machine works, the damping device 6 can weaken the vibration of the shell 3 on the battery pack 2, so that the vibration impact is reduced, and the vibration reduction effect is achieved.

Preferably, the inner walls of the upper end and the lower end of the rubber ring 7 are provided with annular strips 50, and the annular strips 50 are clamped with annular grooves 60 formed in the outer walls of the upper handle 4 and the lower handle 5.

Preferably, a connecting piece 10 is arranged below the handle 1, two inner walls of the connecting piece 10 are both provided with a limiting strip 11, and the limiting strip 11 is clamped with a groove 12 formed in the upper end of the battery pack 2. The connection between the wrench and the battery pack 2 can be more stable through the arrangement of the limiting strip 11 and the groove 12.

Preferably, two rubber blocks 13 are arranged on one side of each limiting strip 11, and the rubber blocks 13 are abutted to second rubber pads 14 formed on one side of the groove 12. Through the mutual butt of rubber piece 13 and second rubber pad 14, can reduce when installing battery package 2, the impact of spanner to battery package 2 can also reduce the vibrations between handle 1 and the battery package 2 simultaneously, increases battery package 2's life.

Preferably, the upper end surface of the battery pack 2 is provided with a third rubber pad 15 for shock absorption. The third rubber pad 15 is arranged to reduce the axial vibration of the wrench and the battery pack 2.

Preferably, the handle 1 is connected with the housing 3 through a first fastening member 16, and an elastic member 17 is sleeved on the first fastening member 16.

The elastic piece 17 of the technical scheme is sleeved on the first fastening piece 16, so that the installation and the disassembly are convenient, and the use is convenient; therefore, the elastic part 17 plays a role in protecting the impact wrench, so that the failure rate is reduced, and the service life is prolonged.

Preferably, the battery pack 2 comprises a shell 18 and a lithium battery main body 19 arranged in the shell 18, wherein shock absorption pads 20 are arranged on the upper end surface and the lower end surface of the lithium battery main body 19, and the shock absorption pads 20 are abutted to the upper end surface and the lower end surface of the shell 18. The shock absorption pad 20 can better protect the lithium battery main body 19 inside, and the service life of the lithium battery main body is prolonged.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An impact wrench, comprising:

a handle (1) having one end and the other end, wherein the other end is used for mounting a battery pack (2);

a housing (3) connected to one end of the handle (1), the housing (3) being adapted to house a motor and/or transmission assembly;

handle (1) are used for connecting damping device (6) of handle (4) and lower handle (5) including last handle (4), lower handle (5), damping device (6) are including being used for connecting rubber ring (7) of handle (4) and lower handle (5), rubber ring (7) inside is equipped with a plurality of first springs (8) along the circumference, be equipped with first rubber pad (9) between first spring (8).

2. The impact wrench according to claim 1, wherein the inner walls of the upper and lower ends of the rubber ring (7) are provided with annular strips (50), and the annular strips (50) are clamped with annular grooves (60) formed in the outer walls of the upper handle (4) and the lower handle (5).

3. The impact wrench as claimed in claim 1, wherein a connecting piece (10) is arranged below the handle (1), two inner walls of the connecting piece (10) are provided with limiting strips (11), and the limiting strips (11) are clamped with a groove (12) formed in the upper end of the battery pack (2).

4. The impact wrench according to claim 3, wherein a rubber block (13) is provided on each of the two limiting strips (11), and the rubber block (13) abuts against a second rubber pad (14) formed on one side of the groove (12).

5. Impact wrench according to claim 1, characterised in that the battery pack (2) is provided with a third rubber pad (15) on its upper end for damping.

6. Impact wrench according to claim 1, characterised in that the handle (1) is connected to the housing (3) by means of a first fastening member (16), the first fastening member (16) being provided with a resilient member (17).

7. The impact wrench as claimed in claim 1, wherein the battery pack (2) comprises a housing (18) and a lithium battery main body (19) disposed in the housing (18), wherein shock absorbing pads (20) are disposed on the upper end surface and the lower end surface of the lithium battery main body (19), and the shock absorbing pads (20) abut against the upper end surface and the lower end surface of the housing (18).