CN219094976U

CN219094976U - Electric screw driver

Info

Publication number: CN219094976U
Application number: CN202222553646.5U
Authority: CN
Inventors: 罗洋
Original assignee: Zhenjiang Lujie Electronic Co ltd
Current assignee: Zhenjiang Lujie Electronic Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-30
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to an electric tool and provides an electric screwdriver, which comprises a shell (1) and a rotating assembly (2) for driving a screwdriver head to rotate, wherein the shell (1) comprises a handle part (101) and a pipe part (102), the rotating assembly (2) is arranged at the front end of the pipe part (102), the handle part (101) is connected with the rear end of the pipe part (102), the rear side of the connecting position of the handle part and the pipe part is formed into a tiger mouth supporting part (103), and the tiger mouth supporting direction of the tiger mouth supporting part (103) coincides with the rotating axis of the rotating assembly (2). The electric screw driver can be stabilized with smaller force when operated by an operator with one hand, so that the operator can conveniently correct the screw, and the assembly efficiency and the assembly quality are improved.

Description

Electric screw driver

Technical Field

The utility model relates to a power tool, in particular to a power screwdriver.

Background

An electric screwdriver, also called an electric screwdriver or an electric screwdriver, is an electric tool for screwing and unscrewing screws. The electric tool is provided with a mechanism for adjusting and limiting torque, is mainly used for assembly lines, and is one of the necessary tools for most production enterprises.

According to the difference in actual application place, the electric screwdriver has different power output by the motor, and is used for tightening and loosening the torque force for the screw, and in the operation process, an operator often operates the electric screwdriver by one hand so as to stabilize the electric screwdriver, and the shaking in the screw driving process is avoided, so that the screw is deviated. However, in the practical operation process, when the motor power of the electric screw driver is larger and the generated torque is larger, the torque for deflecting the electric screw driver is larger, so that an operator is very laborious and even can not stabilize the electric screw driver during one-hand operation, and therefore screws can not be straightened, and the assembly efficiency and the assembly quality are affected.

Accordingly, the present utility model provides a novel electric screw driver to solve or alleviate the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an electric screw driver, which can stabilize the electric screw driver with smaller force when an operator operates the electric screw driver with one hand, so that the operator can conveniently drive the screw, and the assembly efficiency and the assembly quality are improved.

In order to solve the technical problems, the utility model provides an electric screw driver, which comprises a shell and a rotating assembly for driving a screw driver head to rotate, wherein the shell comprises a handle part and a pipe part, the rotating assembly is arranged at the front end of the pipe part, the handle part is connected with the rear end of the pipe part, the rear sides of the connecting positions of the handle part and the pipe part are formed into a tiger mouth supporting part, and the tiger mouth supporting direction of the tiger mouth supporting part coincides with the rotating axis of the rotating assembly.

Specifically, the angle between the central axis of the handle portion and the central axis of the tube portion ranges from 100 ° to 110 °.

Specifically, the rotating assembly comprises a rotating sleeve used for being connected with the screwdriver head and a motor assembly used for driving the rotating sleeve to rotate, the motor assembly is sleeved in the pipe part, and the rotating sleeve extends out of the front end of the pipe part.

Specifically, still include control assembly, control assembly includes on-off control button and rotates adjustment button, on-off control button set up in handle portion with the inboard of pipe portion junction, rotate adjustment button set up in pipe portion rear end outside and on the operating panel that upwards slope extension formed, rotate adjustment button including be used for control rotate the torsion adjustment button of cover rotation torque with be used for control rotate the steering control button of cover direction of rotation.

More specifically, the torque force adjusting button is a gear position adjusting button, a gear position indicating lamp used for indicating the selected torque force gear position is arranged around the periphery of the torque force adjusting button, and the steering control button comprises two buttons with opposite rotation directions.

Preferably, an end of the handle portion remote from the tube portion is provided with a battery pack as a power source.

More preferably, the battery pack is a rechargeable battery pack detachably connected to the handle portion.

Specifically, a metal buckle is arranged at the joint of the handle part and the battery pack.

Preferably, the top of the tube portion is provided with a magnet.

Preferably, an illumination mechanism for illuminating the screwdriver head is provided at the front end of the pipe portion.

Through the scheme, the beneficial effects of the utility model are as follows:

when the electric screw driver is used for driving screws, an operator can hold the handle part by hand and prop the tiger mouth on the tiger mouth propping part, when the screw driver head is driven by the rotating assembly to rotate, the screw driver is pressed down by the tiger mouth forcefully to be stable, and as the tiger mouth propping direction of the tiger mouth propping part coincides with the rotating axis of the rotating assembly, no offset exists between the acting force of the tiger mouth on the tiger mouth propping part and the reaction force of the screw driver head on the electric screw driver, so that the torque capable of deflecting the electric screw driver is eliminated, the operator can easily stabilize the electric screw driver even in single-hand operation, the screw is not rocked in the screw driving process, and the assembly efficiency and the assembly quality are improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a perspective view of one embodiment of the motorized screw driver of the present utility model;

FIG. 2 is a second perspective view of one embodiment of the motorized screw driver of the present utility model;

FIG. 3 is an exploded view of the components of one embodiment of the motorized screw driver of the present utility model;

FIG. 4 is an enlarged view of a portion of the components of FIG. 3;

FIG. 5 is an enlarged view of a portion of the components of FIG. 3;

fig. 6 is an enlarged view of the battery pack of fig. 3;

FIG. 7 is a schematic view of the angle between the handle portion and the tube portion.

Description of the reference numerals

1 handle portion of housing 101

102 pipe 103 tiger's mouth supporting part

104 operation panel 2 rotating assembly

201 rotating sleeve 202 motor assembly

3 switch control button 4 rotation regulating button

401 torsion adjustment button 402 steering control button

5 gear indicator lamp 6 battery package

7 magnet 8 lighting mechanism

9 metal buckle 10 lighting assembly

11 transparent cover 12 head plug

13 locking ring 14 light guide column

15 adjusting button assembly 16 power input assembly

17 switch button assembly 18 spring

19 control main board

Detailed Description

The following detailed description of the embodiments of the utility model is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the utility model is not limited to the following embodiments.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "formed," "configured," "connected," and the like are to be construed broadly, and for example, the connection may be a direct connection, an indirect connection via an intermediary, a fixed connection, a removable connection, or an integral connection; either directly or indirectly via intermediate connectors, or by communication between or interaction between 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 following description, "front end" refers to a direction approaching the working end, and "rear end" refers to a direction separating from the working end, for example, a front end of the electric screwdriver is an end approaching the screwdriver head, and a rear end thereof is an end separating from the screwdriver head.

The utility model provides an electric screw driver, referring to fig. 1-2, as a specific embodiment of the electric screw driver, the electric screw driver comprises a shell 1 and a rotating component 2 for driving a screw driver head to rotate, wherein the shell 1 comprises a handle part 101 and a pipe part 102, the rotating component 2 is arranged at the front end of the pipe part 102, the handle part 101 is connected with the rear end of the pipe part 102, the rear side of the connecting position of the handle part 101 and the pipe part is formed into a tiger mouth supporting part 103, the electric screw driver is in a pistol shape, when an operator operates the electric screw driver, the operator can hold the handle part 101 by hand and support the tiger mouth on the tiger mouth supporting part 103, the tiger mouth supporting direction of the tiger mouth supporting part 103 is coincident with the rotating axis of the rotating component 2, namely the acting line of the tiger mouth supporting part 103 is coincident with the acting line of the reaction force of the screw driver head on the electric screw driver, so that no offset exists between the two parts, and therefore, the torque of the electric screw driver can be deflected, the electric screw driver can be easily stabilized even if the operator operates by one hand, the electric screw driver can not produce the screw driver, the screw driver can not produce the screw driver and the screw driver can be conveniently beaten and assembled in the process.

As a specific embodiment of the electric screwdriver of the present utility model, the angle between the central axis of the handle portion 101 and the central axis of the tube portion 102 is in the range of 100 ° to 110 °, preferably, referring to fig. 7, the angle between the central axis of the handle portion 101 and the central axis of the tube portion 102 is 105 °, in the actual use process, the tiger mouth of a human hand is propped against the tiger mouth propping portion 103, so that the screwdriver head is propped against the screw, the central axis of the tube portion 102 is parallel or coincident with the rotation axis, that is, parallel or coincident with the reaction force line of the screwdriver head on the electric screwdriver, and the angle between the handle portion 101 and the tube portion 102 is formed by the handle portion 101 and the tube portion 102, so that the handle portion 101 is inclined backward from the connecting end thereof with the tube portion 102 to the free end direction, and when the operator grips the handle portion 101, the free end of the handle portion 101 lifts the palm back end (the palm near the wrist position), so that the operator can more easily prop the tiger mouth against the tiger mouth propping portion 103 to apply force, more accords with the man-machine engineering, and the single-hand operation is easier and more convenient.

As an embodiment of the electric screw driver according to the present utility model, referring to fig. 1, 3 and 4, the rotary assembly 2 includes a rotary sleeve 201 for coupling with a screw driver head and a motor assembly 202 for driving the rotary sleeve 201 to rotate, the motor assembly 202 is sleeved in the pipe portion 102, and the rotary sleeve 201 protrudes from the front end of the pipe portion 102. In use, a desired screwdriver bit is selected, mounted on the rotating sleeve 201, and the motor assembly 202 rotates the screwdriver bit through the rotating sleeve 201 to enable tightening or loosening of the screw. It should be noted that, the manner of installing the screwdriver bit on the rotating sleeve 201 is various, as shown in fig. 2, the rotating sleeve 201 is formed with a hexagonal inner hole adapted to the screwdriver bit, and the screwdriver bit is inserted into the hexagonal inner hole to form a mating connection; or, the rotating sleeve 201 is provided with a clamping piece, and the assembly and disassembly of the screwdriver head are realized through the tightness of the clamping piece.

As a specific embodiment of the electric screwdriver of the present utility model, referring to fig. 1-3 and 5, the electric screwdriver of the present utility model further comprises a control assembly for convenient operation and adjustment by an operator, the control assembly comprises a switch control button 3 and a rotation adjustment button 4, the switch control button 3 controls whether the motor assembly 202 rotates, when in operation, the switch control button 3 needs to be pressed to contact the switch button assembly 17 to trigger an opening signal, a spring 18 capable of resetting the switch control button 3 is arranged between the switch control button 3 and the switch button assembly 17, so that the operator needs to press the switch control button 3 all the time to keep the rotation sleeve 201 rotating, thereby providing a guarantee for safety, and in order to facilitate operation by the operator, the switch control button 3 is preferably arranged at the inner side of the connection part of the handle part 101 and the pipe part 102; the rotation adjusting button 4 controls the output torque and the rotation direction of the motor assembly 202 to the rotation sleeve 201, and is arranged on the operation panel 104 formed by outwards and upwards inclining and extending the rear end of the pipe part 102, when an operator operates by one hand, the operator can directly press the rotation adjusting button 4 by thumb, so that the man-machine engineering is satisfied, the operation is convenient, and specifically, the rotation adjusting button 4 comprises a torque adjusting button 401 for controlling the rotation torque of the rotation sleeve 201 and a rotation control button 402 for controlling the rotation direction of the rotation sleeve. In addition, for ease of assembly, the outer periphery of the operation panel 104 is pressed and fastened to the rear end of the tube portion 102 by the locking ring 13.

It should be noted that, the torque adjusting button 401 is a gear adjusting button, the torque gear is switched by pressing the torque adjusting button 401, in order to facilitate an operator to check the current torque gear, a gear indicator 5 for indicating the torque gear is circumferentially arranged on the periphery of the torque adjusting button 401, specifically, referring to fig. 1, 3 and 5, the electric screwdriver has three torque gears for selection, the torque adjusting button 401 is pressed to contact a triggering device of the adjusting button assembly 15 to perform a signal of torque gear switching, the three torque gears are cyclically switched in sequence, three light-emitting units are arranged on a panel of the adjusting button assembly 15, the three light-emitting units respectively correspond to the three torque gears to be lightened, a light guide column 14 is circumferentially arranged on the periphery of the torque adjusting button 401, the light guide column 14 is equally divided into three light guide channels to respectively correspond to the three light-emitting units to be arranged, the required torque gear is switched, the light-emitting units corresponding to the torque gear are lightened, the other two light-emitting units are in a light-off state, and the lightened light-emitting units are displayed on the light guide panel 104 corresponding to the light guide channels to the torque gear to form the indicating lamp 5; the steering control button 402 includes two direction buttons with opposite rotation directions, the direction buttons are pressed to contact the adjusting button assembly 15 to trigger the steering control signal, and preferably, the surfaces of the two direction buttons are made of transparent materials, the panel of the adjusting button assembly 15 is provided with a light emitting unit at a position corresponding to the direction buttons, and when one of the direction buttons is pressed, the corresponding light emitting unit is turned on and emits light through the surface of the direction button, so as to indicate the rotation direction of the rotating sleeve 201.

As a preferred embodiment of the electric screwdriver according to the present utility model, referring to fig. 1-3 and 6, the end of the handle portion 101 far from the tube portion 102 is provided with the battery pack 6 as a power source, in use, the battery pack 6 can be used as a part of the handle portion 101 for an operator to hold, and since the motor assembly 202 is disposed in the tube portion 102 and is connected with the rotating sleeve 201 at the front end of the tube portion 102, the motor assembly 202 has a relatively large weight, the front end of the tube portion 102 is relatively heavy, while the battery pack 6 also has a certain weight, which is disposed at the end of the handle portion 101 far from the tube portion 102, and the dimensions of both the handle portion 101 and the battery pack 6 are relatively long, so that the overall center of gravity is shifted down, thereby effectively avoiding the feeling of light head and foot when the electric screwdriver according to the present utility model is taken, and the single-hand operation is not laborious.

Preferably, the battery pack 6 is a rechargeable battery pack detachably connected with the handle 101, and when the battery pack 6 is deficient in power, the rechargeable battery pack 6 is directly replaced by the full-power battery pack 6, and the rechargeable battery pack 6 is charged, so that the electric screw driver can continuously work, and the assembly efficiency is improved. Specifically, the battery pack 6 is connected with the handle portion 101 by a buckle, the handle portion 101 is provided with a power input assembly 16 at a connection with the battery pack 6, and when the battery pack 6 is inserted into the handle portion 101, a power interface of the battery pack 6 is cooperatively connected with the power input assembly 16 to supply power.

It should be noted that, preferably, referring to fig. 3 and 5, the metal buckle 9 is provided at the joint line portion of the handle portion 101 and the battery pack 6, so as to improve the mechanical structural strength of the joint portion, so that the connection between the handle portion 101 and the battery pack 6 is reliable.

As a preferred embodiment of the electric screw driver of the present utility model, referring to fig. 1, the top of the tube 102 is provided with a magnet 7 to be able to attract the screw, so as to facilitate the operator to take and improve the assembly efficiency.

As a preferred embodiment of the electric screw driver of the present utility model, referring to fig. 2 to 4, the front end of the tube 102 is provided with an illumination mechanism 8 for illuminating the screw driver head, so as to supplement the light source under the condition of insufficient light source, thereby facilitating the operator to check the screw driver head position and convenient operation. Specifically, the lighting mechanism 8 is composed of a lighting assembly 10, a transparent cover 11 and a head plug 12, the head plug 12 is sleeved at the front end of the pipe portion 102, a through hole for a rotation sleeve 201 is formed in the middle of the head plug 12, the transparent cover 11 is arranged on the head plug 12, a light emitting unit is arranged on the lighting assembly 10, the transparent cover 11 corresponds to the light emitting unit, so that the light emitting unit can illuminate through the transparent cover 11, and in addition, the light emitting unit is circumferentially arranged around the rotation sleeve 201 so as to form a lighting source without dead angle around the head of the screwdriver.

It should be noted that, referring to fig. 3 and 4, the electric screwdriver of the present utility model further includes a control main board 19, where the control main board 19 is disposed inside the housing 1, and is respectively connected to the motor assembly 202, the lighting assembly 10, the adjusting button assembly 15, the power input assembly 16, the switch button assembly 17, etc. to collect and process data of the internal devices in a centralized manner, and transmit the data to each component for control.

While the electric screw driver according to the present utility model has been described in the above embodiments, it will be understood that the structural body and the dimensions of the electric screw driver according to the present utility model are not limited to the specific structural forms described in the above embodiments, but may be other structural forms. Next, in order to better understand the technical solution and the method of use of the present utility model, preferred embodiments are described below in conjunction with relatively comprehensive preferred technical features.

The utility model provides an electric screwdriver, which consists of a shell 1 and a rotating assembly 2, wherein the shell 1 comprises a handle part 101 and a pipe part 102, the rotating assembly 2 comprises a rotating sleeve 201 for connecting a screwdriver head and a motor assembly 202 for driving the rotating sleeve 201 to rotate, the motor assembly 202 is sleeved in the pipe part 102, the rotating sleeve 201 extends out of the front end of the pipe part 102, the handle part 101 is connected with the rear end of the pipe part 102, a tiger mouth supporting part 103 is formed at the rear side of the connecting position of the handle part and the pipe part, the tiger mouth supporting direction of the tiger mouth supporting part 103 coincides with the rotating axis of the rotating assembly 2, so that when an operator uses the electric screwdriver of the utility model to drive screws, the action line of the tiger mouth supporting part 103 coincides with the reaction force line of the screwdriver head on the electric screwdriver, thereby eliminating the torque capable of deflecting the electric screwdriver, and even if the operator operates by one hand, the electric screwdriver can be easily stabilized, and the assembly efficiency and the assembly quality can be improved.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The utility model provides an electric screwdriver, its characterized in that includes casing (1) and is used for driving screw driver head pivoted rotary component (2), casing (1) include handle portion (101) and pipe portion (102), rotary component (2) set up in the front end of pipe portion (102), handle portion (101) with the rear end of pipe portion (102) is connected, and the rear side in two connected positions forms tiger's mouth portion of supporting (103), tiger's mouth portion of supporting (103) support the direction with rotary component (2) rotation axis coincidence.

2. The electric screw according to claim 1, characterized in that the angle between the central axis of the handle portion (101) and the central axis of the tube portion (102) is in the range of 100 ° to 110 °.

3. The electric screw driver according to claim 1, characterized in that the rotation assembly (2) comprises a rotation sleeve (201) for connecting the screw driver head and a motor assembly (202) for driving the rotation sleeve (201) to rotate, the motor assembly (202) is sleeved in the pipe part (102), and the rotation sleeve (201) extends out of the front end of the pipe part (102).

4. The electric screwdriver according to claim 3, further comprising a control assembly, wherein the control assembly comprises a switch control button (3) and a rotation adjusting button (4), the switch control button (3) is arranged on the inner side of the joint of the handle part (101) and the pipe part (102), the rotation adjusting button (4) is arranged on an operation panel (104) formed by outwards and upwards obliquely extending the rear end of the pipe part (102), and the rotation adjusting button (4) comprises a torsion adjusting button (401) for controlling the rotation torque of the rotation sleeve (201) and a steering control button (402) for controlling the rotation direction of the rotation sleeve (201).

5. The electric screw driver according to claim 4, wherein the torque adjusting button (401) is a gear adjusting button, a gear indicator lamp (5) for indicating the selected torque gear is circumferentially arranged on the periphery of the torque adjusting button (401), and the steering control button (402) comprises two buttons with opposite rotation directions.

6. The electric screwdriver according to claim 1, wherein an end of the handle portion (101) remote from the tube portion (102) is provided with a battery pack (6) as a power source.

7. The electric screwdriver according to claim 6, wherein the battery pack (6) is a rechargeable battery pack detachably connected to the handle portion (101).

8. The electric screwdriver according to claim 7, wherein a metal buckle (9) is arranged at a clamping line part of a connection part of the handle part (101) and the battery pack (6).

9. The electric screwdriver according to claim 1, characterized in that the top of the tube (102) is provided with a magnet (7).

10. A motorized screw according to claim 1, characterized in that the front end of the tube (102) is provided with an illumination means (8) for illuminating the screw head.