CN215318373U

CN215318373U - Electric screwdriver

Info

Publication number: CN215318373U
Application number: CN202121067015.1U
Authority: CN
Inventors: 征平
Original assignee: Wuxi Chuxin Electric Tools Co ltd
Current assignee: Wuxi Chuxin Electric Tools Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-28
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses an electric screwdriver which comprises a shell, wherein a control circuit, a power supply, a motor and a gear box are arranged in the shell, an upper cover is arranged at the top end of the shell, an opening is formed in the upper cover, a movable window is connected to the opening, a charging interface is exposed by opening the movable window, the charging interface is connected to the control circuit, the power supply is arranged on one side of the control circuit, a limiting sleeve is arranged below the power supply, the motor is arranged in the limiting sleeve, the lower end of the motor is connected with the gear box, a conical barrel is arranged at the bottom end of the gear box, a chuck is arranged in the conical barrel, and a connecting piece is arranged in the chuck; the wall surface polishing machine is reasonable in structural design, simple to use and convenient to carry, connecting pieces can be replaced quickly, and screwing screws and polishing of wall surfaces can be achieved.

Description

Electric screwdriver

Technical Field

The utility model relates to a screwdriver, in particular to an electric screwdriver.

Background

Electric screw drivers on the existing market are mainly classified into two categories: the large electric screwdriver needs to be operated by both hands except for being used for a short time, and is mainly used in a factory environment; a small electric screwdriver with the appearance and the shape similar to that of a pen is mainly used for dismounting and maintaining some precision instruments, and the hand moving speed is too fast or too slow, so that multiple times of friction between a screw and a thread can be caused, and the thread is damaged. If people use the electric screwdriver in a home environment, when screws at special positions such as a ceiling, a cabinet corner and the like are screwed, the traditional screwdriver or the electric screwdriver is easy to cause the people to feel sour and swollen of arms, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric screwdriver which is reasonable in structural design, simple to use, convenient to carry and capable of quickly replacing connecting pieces.

The purpose of the utility model is realized as follows: the utility model provides an electric screwdriver, includes the shell, set up control circuit, power, motor and gear box in the shell, the shell top sets up the upper cover, cover on and set up the trompil, connect movable window on the trompil, movable window is opened and is exposed the interface that charges, the interface connection that charges is on control circuit, control circuit one side sets up the power, the power below sets up the stop collar, set up the motor in the stop collar, the gear box is connected to the motor lower extreme, the gear box bottom sets up a awl section of thick bamboo, establish the chuck in the awl section of thick bamboo, place the connecting piece in the chuck.

As a further preferable scheme of the present invention, the power supply includes a battery, a battery case, and positive and negative electrode plates; the two ends of the battery sleeve are provided with a cathode electrode plate and an anode electrode plate, and a single rechargeable battery is placed between the two electrode plates.

As a further preferable scheme of the present invention, the side wall of the housing is provided with an opening, a key is arranged in the opening, the key is provided with a forward rotation button and a reverse rotation button, and a pin of the key corresponds to a pin on the control circuit.

As a further preferable scheme of the present invention, the control circuit includes a circuit board, and the circuit board is connected with a cathode electrode plate, an anode electrode plate, a charging interface and a pin corresponding to the key.

As a further preferable scheme of the utility model, the limiting sleeve is provided with a salient point and a threaded hole, and the limiting sleeve is fixed on the circuit board through the salient point and two horizontal screws.

As a further preferable aspect of the present invention, the battery case is fixed to the upper cover by a screw.

As a further preferable scheme of the utility model, the key comprises a key shell and a silica gel key inner container; the inner liner of the silica gel key is pressed and extruded by the key shell.

As a further preferable aspect of the present invention, a buffer spring is provided between the motor and the gear box.

As a further preferable scheme of the utility model, a pitch disc is arranged in the cone cylinder, and the pitch disc is connected with an inner gear of the gear box and drives the chuck to rotate.

Compared with the prior art, the utility model has the following beneficial effects: the screwdriver head can be quickly replaced by adopting a reasonable technical structure, so that the mounting, dismounting and use of different screws are met; the forward and reverse buttons are arranged on the keys, so that automatic forward and reverse rotation can be realized, manual intervention is reduced, and labor force is reduced; the front end is provided with the illuminating lamp, so that illumination can be provided when the desk lamp works at night, the illumination is extinguished within 5 seconds, the electric quantity is saved, and the short-time requirement is met; the direct current and alternating current functions are adopted, alternating current charging is stored in the battery, the requirement of any place is met, the battery is not required to be plugged at any time for use, and the application range is wider.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the technical descriptions of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an overall perspective view of the present invention.

Fig. 2 is a schematic view of the connection between the housing and the upper cover.

FIG. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 is a schematic diagram of a power supply structure.

FIG. 6 is a schematic view of the gearbox and cone connection.

Wherein, 1-shell, 2-upper cover, 3-movable window, 4-gear box, 5-battery, 6-battery sleeve, 7-cathode and anode electrode plate, 8-charging interface, 9-spacing sleeve, 10-motor, 11-chuck, 12-key: 121-key shell, 122-silica gel key inner container, 13-cone, 14-key opening, 15-circuit board and 16-pitch disc.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without creative efforts, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, an electric screwdriver, including shell 1, set up control circuit, power, motor 10 and gear box 4 in the shell 1, shell 1 top sets up upper cover 2, set up the trompil on the upper cover 2, connect movable window 3 on the trompil, movable window 3 is opened and is exposed interface 8 that charges, interface 8 that charges is connected on control circuit, control circuit one side sets up the power, the power below sets up stop collar 9, set up motor 10 in the stop collar 9, gear box 4 is connected to the motor 10 lower extreme, gear box 4 bottom sets up a cone 13, establish chuck 11 in the cone 13, place the connecting piece in the chuck 11.

Preferably, the power supply comprises a battery 5, a battery sleeve 6 and a positive and negative electrode plate 7; the two ends of the battery sleeve 6 are provided with a cathode electrode plate and an anode electrode plate, and a single rechargeable battery 5 is arranged between the two electrode plates.

Preferably, the side wall of the housing 1 is provided with a key opening 14, a key 12 is arranged in the opening, the key 12 is provided with a forward rotation button and a reverse rotation button, and the pin of the key 12 corresponds to the pin of the control circuit.

Preferably, the control circuit comprises a circuit board 15, and the circuit board 15 is connected with a cathode electrode plate, an anode electrode plate, a charging interface 8 and a corresponding pin of a key.

Preferably, the position limiting sleeve 9 is provided with a convex point and a threaded hole, and the position limiting sleeve 9 is fixed on the circuit board through the convex point and two horizontal screws.

Preferably, the battery case 6 is fixed to the upper cover 2 by screws.

Preferably, the key 12 includes a key case 121 and a silica gel key inner container 122; the inner liner of the silica gel key is pressed and extruded by the key shell.

Preferably, a buffer spring is provided between the motor 10 and the gear box 4.

Preferably, a pitch disc 16 is arranged in the cone barrel 13, and the pitch disc 16 is connected with a gear in the gear box and drives the chuck to rotate.

The first embodiment is as follows:

referring to fig. 1, according to a screw to be detached on site, a corresponding screwdriver bit is mounted on a chuck 11, a forward rotation button and a reverse rotation button on a key 12 are pressed, the forward rotation button is used for screwing the screw, the reverse rotation button is used for detaching the screw, and the screw is continuously pressed three times, so that automatic rotation can be realized.

Example two:

the lighting lamp is arranged on the inner ring of the cone barrel 13, the power supply of the lighting lamp comes from the rechargeable battery 5 above the cone barrel, the lighting of the lighting lamp can be achieved, and the lighting lasts for five seconds, so that the lighting in a short time is met.

Example three:

as shown in fig. 2 and 3, the upper cover 2 is provided with a movable window 3, the movable window 3 is opened, and a charging interface 8 is exposed, and the charging interface 8 can be used for storing electricity for the rechargeable battery 5 inside for repeated use.

Example four:

as shown in fig. 4 and 6, the power supply, the motor 10, the gear box 4 and the cone 13 are sequentially connected from bottom to bottom, when the power supply is switched on through the key 12, the motor 10 is started to drive each gear in the gear box 4 to rotate in an intermeshing manner, the gear pitch disc 16 connected with the gear box drives the chuck 11 to rotate, so that the connecting pieces (screwdriver bits, sander and the like) in the chuck 11 can rotate, and construction operation is realized.

The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides an electric screwdriver, includes shell (1), set up control circuit, power, motor (10) and gear box (4) in shell (1), its characterized in that: shell (1) top sets up upper cover (2), set up the trompil on upper cover (2), connect activity window (3) on the trompil, activity window (3) are opened and are exposed interface (8) that charge, interface (8) that charge are connected on control circuit, control circuit one side sets up the power, the power below sets up stop collar (9), set up motor (10) in stop collar (9), gear box (4) is connected to motor (10) lower extreme, gear box (4) bottom sets up a awl section of thick bamboo (13), establish chuck (11) in a awl section of thick bamboo (13), place the connecting piece in chuck (11).

2. The electric screwdriver according to claim 1, wherein: the power supply comprises a battery (5), a battery sleeve (6) and a positive and negative electrode plate (7); and a cathode electrode plate and an anode electrode plate are arranged at two ends of the battery sleeve (6), and a single rechargeable battery (5) is arranged between the two electrode plates.

3. The electric screwdriver according to claim 1, wherein: the side wall of the shell (1) is provided with a key opening (14), a key (12) is arranged in the key opening, a forward rotation button and a reverse rotation button are arranged on the key (12), and a pin of the key (12) corresponds to a pin on the control circuit.

4. The electric screwdriver according to claim 1, wherein: the control circuit comprises a circuit board (15), and a cathode electrode plate, an anode electrode plate, a charging interface (8) and a corresponding pin of a key are connected to the circuit board (15).

5. The electric screwdriver according to claim 1, wherein: the limiting sleeve (9) is provided with a convex point and a threaded hole, and the limiting sleeve (9) is fixed on the circuit board through the convex point and the two horizontal screws.

6. The electric screwdriver according to claim 2, wherein: the battery sleeve (6) is fixed on the upper cover (2) through screws.

7. The electric screwdriver according to claim 3, wherein: the key (12) comprises a key shell (121) and a silica gel key inner container (122); the key shell (121) presses and extrudes the silica gel key inner container (122).

8. The electric screwdriver according to claim 1, wherein: and a buffer spring is arranged between the motor (10) and the gear box (4).

9. The electric screwdriver according to claim 1, wherein: a pitch disc (16) is arranged in the cone barrel (13), and the pitch disc (16) is connected with an inner gear of the gear box and drives the chuck to rotate.