CN211439746U

CN211439746U - Electric screwdriver with rotation speed coordinated control

Info

Publication number: CN211439746U
Application number: CN201922334367.8U
Authority: CN
Inventors: 曾嘉瑾
Original assignee: Shenzhen Like Industrial Technology Co ltd
Current assignee: Shenzhen Like Industrial Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-08
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to an electric screwdriver with rotation speed coordinated control, which comprises a screwdriver body, wherein the screwdriver body comprises a handle, a connecting shell and a screwdriver head, the connecting shell is installed at the side edge of the upper end of the handle, the front end of the connecting shell is connected with the screwdriver head, a mounting groove is formed in the handle, a battery is installed in the mounting groove, the lower end of the handle is provided with a bottom cover, and a mounting structure is arranged between the bottom cover and the handle; the mounting structure comprises a butt joint convex ring, a butt joint groove and a sealing gasket, and the butt joint convex ring is mounted on the connecting surface of the bottom cover. Above-mentioned electric screwdriver of rotational speed coordinated control has the rotational speed of steerable screwdriver head, improves screwdriver head's multiple use, and the bottom can be dismantled, removable battery, and sealed pad guarantees the inside leakproofness, prevents that inside from weing, reduces the damage to the reduction gear, improves life, increases the practicality, and screwdriver head can dismantle, is convenient for change the screwdriver head of multiple model, improves electric screwdriver's multiple use's advantage.

Description

Electric screwdriver with rotation speed coordinated control

Technical Field

The utility model belongs to the technical field of electric screwdriver technique and specifically relates to a rotational speed coordinated control's electric screwdriver.

Background

An electric screwdriver, also known as a 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, is one of necessary tools for most production enterprises, can be used for household or professional use according to needs, is designed for professional personnel, and can be used for professional use and common household use when purchasing. The electric screwdriver for the common household is different from an electric screwdriver for the common household in power, the electric screwdriver for the common household is larger in power, so that the workload of a professional person is reduced, the workload of the electric screwdriver for the common household is relatively smaller due to smaller engineering, the input power of the electric screwdriver is not required to be large, the rotation speed cannot be controlled by the conventional electric screwdriver, the coordination is poor, and the abrasion is large.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a power screwdriver capable of controlling the rotation speed of the screwdriver head, improving the versatility of the screwdriver head, wherein the bottom cover is detachable, the battery can be replaced, the sealing gasket ensures the internal sealing performance, the inside is prevented from being affected with damp, the damage to the speed reducer is reduced, the service life is prolonged, the practicability is increased, the screwdriver head is detachable, the screwdriver heads of various models can be conveniently replaced, and the rotation speed coordination control of the versatility of the power screwdriver is improved.

An electric screwdriver with rotation speed coordinated control comprises a screwdriver body, wherein the screwdriver body comprises a handle, a connecting shell and a screwdriver head, the connecting shell is installed on the side edge of the upper end of the handle, the screwdriver head is connected with the front end of the connecting shell, an installation groove is formed in the handle, a battery is installed in the installation groove, a bottom cover is arranged at the lower end of the handle, and an installation structure is arranged between the bottom cover and the handle;

the mounting structure comprises a butt joint convex ring, a butt joint groove and a sealing gasket, the butt joint convex ring is mounted on a connecting surface of the bottom cover, the butt joint groove is formed in the handle, a motor and a speed reducer are arranged in the connecting shell, an output shaft of the motor is connected with the speed reducer, an output shaft of the speed reducer is connected with a screwdriver bit, and a damping device is arranged between the speed reducer and the motor;

the damping device comprises a buffer slot, a fixed pressing plate, a soft rubber layer and a buffer spring, wherein the soft rubber layer is coated in the buffer slot, the bottom end of the buffer slot is provided with the buffer spring, and the top end of the buffer spring is provided with the fixed pressing plate;

preferably, a control switch is installed at the side end of the handle, and the control switch is electrically connected with the battery, the motor and the speed reducer respectively.

Preferably, the joint of the handle and the bottom cover is connected by a sealing gasket, and a friction pad is arranged in the butt joint groove.

Preferably, the speed reducer is installed in the buffer slot, and both sides are connected with the buffer slot through the soft adhesive layer, and fixed pressing plate sets up in the speed reducer rear end.

Preferably, the output end of the speed reducer is provided with a rotating rod, a thread groove is formed in the rotating rod, the front end of the screwdriver bit is provided with a connector, and the screwdriver bit is arranged in the thread groove through the connector and movably connected with the speed reducer.

1. Above-mentioned electric screwdriver of rotational speed coordinated control, handle and bottom junction are connected by sealed the pad, and set up the friction pad in the butt joint inslot, and control switch control motor drive screwdriver head rotates, carries out work, through the rotational speed of the steerable screwdriver head of installation reduction gear, improves screwdriver head's multiple use nature, and the bottom can be dismantled, removable battery, and sealed pad guarantees the inside leakproofness, prevents that inside from weing.

2. Above-mentioned electric screwdriver of rotational speed coordinated control, the holding plate sets up in the reduction gear rear end, the output installation bull stick of reduction gear, set up the thread groove in the bull stick, screwdrivers blade head front end installation connector, screwdrivers blade head passes through the connector to be installed at the thread groove with reduction gear swing joint, damping device reduces the damage to the reduction gear when screwdrivers blade head roof pressure screw, and improve life, increase the practicality, and screwdrivers blade head can dismantle, the screwdrivers blade head of multiple model is convenient for change, improve electric screwdriver's multiple use.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of the bottom cover of the embodiment of the present invention;

fig. 3 is a cross-sectional view of the overall structure of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the screwdriver bit according to an embodiment of the present invention;

fig. 5 is an enlarged view of the position a of the embodiment of the present invention.

In the figure: 1. a body; 11. a handle; 111. mounting grooves; 112. a bottom cover; 113. a battery; 114. a control switch; 12. connecting the shell; 121. a motor; 122. a speed reducer; 13. a screwdriver bit; 131. a connector; 2. a mounting structure; 21. connecting a convex ring; 22. a butt joint groove; 23. a gasket; 3. a damping device; 31. a buffer tank; 32. fixing the pressing plate; 33. a soft adhesive layer; 34. a buffer spring; 4. a rotating rod; 41. a thread groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain the electric screwdriver with rotation speed coordination control of the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, an electric screwdriver with rotation speed coordinated control according to an embodiment of the present invention includes a screwdriver body 1, the screwdriver body 1 includes a handle 11, a connection housing 12 and a screwdriver head 13, the upper side of the handle 11 is installed and connected with the housing 12, the front end of the connection housing 12 is connected with the screwdriver head 13, an installation groove 111 is formed in the handle 11, a battery 113 is installed in the installation groove 111, a bottom cover 112 is arranged at the lower end of the handle 11, an installation structure 2 is arranged between the bottom cover 112 and the handle 11, the installation structure 2 includes a butt-joint convex ring 21, a butt-joint groove 22 and a sealing pad 23, the butt-joint convex ring 21 is installed on the connection surface of the bottom cover 112, the butt-joint groove 22 is formed in the handle 11, a motor 121 and a reducer 122 are arranged in the connection housing 12, an output shaft of the motor 121 is connected with the reducer 122, the side end of the handle 11 is provided with the control switch 114, the control switch 114 is respectively electrically connected with the battery 113, the motor 121 and the speed reducer 122, the joint of the handle 11 and the bottom cover 112 is connected by the sealing gasket 23, the friction gasket is arranged in the butt joint groove 22, the control switch 114 controls the motor 121 to drive the screwdriver head 13 to rotate and work, the rotating speed of the screwdriver head 13 can be controlled by the speed reducer 122, the versatility of the screwdriver head 13 is improved, the bottom cover 112 can be detached, the battery 113 can be replaced, the sealing gasket 23 ensures the internal sealing performance, and the interior is prevented from being wetted.

Referring to fig. 4-5, the damping device 3 includes a buffer slot 31, a fixed pressing plate 32, a soft adhesive layer 33 and a buffer spring 34, the buffer slot 31 is internally covered by the soft adhesive layer 33, the buffer spring 34 is installed at the bottom end of the buffer slot 31, the fixed pressing plate 32 is installed at the top end of the buffer spring 34, the speed reducer 122 is installed in the buffer slot 31, two sides of the speed reducer are connected with the buffer slot 31 through the soft adhesive layer 33, the fixed pressing plate 32 is disposed at the rear end of the speed reducer 122, a rotating rod 4 is installed at the output end of the speed reducer 122, a thread slot 41 is formed in the rotating rod 4, a connector 131 is installed at the front end of the screwdriver head 13, the screwdriver head 13 is installed in the thread slot 41 through the connector 131 and movably connected with the speed reducer 122, when the screwdriver head 13 presses a screw, the damping device 3 reduces damage to the speed reducer 122, prolongs, the versatility of the electric screwdriver is improved.

In summary, the following steps: the utility model discloses electric screwdriver of rotational speed coordinated control, handle 11 is connected by sealed pad 23 with bottom 112 junction, and set up the friction pad in butt joint groove 22, control switch 114 control motor 121 drive screwdriver bit 13 rotates, carry out work, can control the rotational speed of screwdriver bit 13 through installation reduction gear 122, improve the versatility of screwdriver bit 13, bottom 112 can be dismantled, removable battery 113, and sealed pad 23 guarantees the inside leakproofness, prevent that the inside from weing, fixing pressing plate 32 sets up in reduction gear 122 rear end, the output installation bull stick 4 of reduction gear 122, set up thread groove 41 in the bull stick 4, screwdriver bit 13 front end installation connector 131, screwdriver bit 13 installs in thread groove 41 and reduction gear 122 swing joint through connector 131, damping device 3 reduces the damage to reduction gear 122 when the top pressure screw of screwdriver bit 13, and prolongs service life, increase the practicality, and screwdriver head 13 can be dismantled, is convenient for change the screwdriver head 13 of multiple model, improves electric screwdriver's multiple use.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an electric screwdriver of rotational speed coordinated control, includes organism (1), its characterized in that: the machine body (1) comprises a handle (11), a connecting shell (12) and a screwdriver head (13), the connecting shell (12) is installed on the side edge of the upper end of the handle (11), the screwdriver head (13) is connected to the front end of the connecting shell (12), an installation groove (111) is formed in the handle (11), a battery (113) is installed in the installation groove (111), a bottom cover (112) is arranged at the lower end of the handle (11), and an installation structure (2) is arranged between the bottom cover (112) and the handle (11);

the mounting structure (2) comprises a butt joint convex ring (21), a butt joint groove (22) and a sealing gasket (23), the butt joint convex ring (21) is mounted on a connecting surface of the bottom cover (112), the butt joint groove (22) is formed in the handle (11), a motor (121) and a speed reducer (122) are arranged in the connecting shell (12), an output shaft of the motor (121) is connected with the speed reducer (122), an output shaft of the speed reducer (122) is connected with the screwdriver head (13), and a damping device (3) is arranged between the speed reducer (122) and the motor (121);

damping device (3) include buffer slot (31), fixed pressing plate (32), soft glue layer (33) and buffer spring (34), and soft glue layer (33) is wrapped in buffer slot (31), and buffer spring (34) are installed to buffer slot (31) bottom, and fixed pressing plate (32) are installed on buffer spring (34) top.

2. The electric screwdriver with rotation speed coordinated control according to claim 1, characterized in that: a control switch (114) is installed at the side end of the handle (11), and the control switch (114) is electrically connected with the battery (113), the motor (121) and the speed reducer (122) respectively.

3. The electric screwdriver with rotation speed coordinated control according to claim 1, characterized in that: the joint of the handle (11) and the bottom cover (112) is connected by a sealing gasket (23), and a friction pad is arranged in the butt joint groove (22).

4. The electric screwdriver with rotation speed coordinated control according to claim 1, characterized in that: the speed reducer (122) is installed in the buffer groove (31), two sides of the speed reducer are connected with the buffer groove (31) through the soft rubber layer (33), and the fixed pressing plate (32) is arranged at the rear end of the speed reducer (122).

5. The electric screwdriver with rotation speed coordinated control according to claim 1, characterized in that: the output end of the speed reducer (122) is provided with a rotating rod (4), a thread groove (41) is formed in the rotating rod (4), the front end of the screwdriver head (13) is provided with a connector (131), and the screwdriver head (13) is installed in the thread groove (41) through the connector (131) and is movably connected with the speed reducer (122).