CN211681806U

CN211681806U - Electric ratchet wrench

Info

Publication number: CN211681806U
Application number: CN202020043164.3U
Authority: CN
Inventors: 张小灵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-16
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses an electric ratchet wrench, include: a housing; the ratchet head is arranged at the end part of the shell; the gear box is arranged in the shell, and the output end of the gear box is connected with the ratchet head; the motor is arranged in the shell, and the output end of the motor is connected with the gear box; the power plug pin is arranged at one end of the shell, which is far away from the ratchet head, and the power plug pin is connected with the motor through a lead; the control switch is arranged on the motor and controls the on-off of the motor, and the control switch is connected with the power plug pin through a lead; one end of the operating rod is rotatably connected with the shell, and the other end of the operating rod is abutted against the control switch; the locking block is arranged in the shell and is abutted against the control switch; and the locking button is arranged outside the shell, is connected with the locking block and controls whether the locking block abuts against the control switch or not. This electric ratchet spanner can prevent that operating personnel from not having the operation through the cooperation of locking button and locking block, increases the security.

Description

Electric ratchet wrench

Technical Field

The utility model relates to a ratchet spanner's technical field, in particular to electric ratchet spanner.

Background

The ratchet wrench is a tool capable of adjusting the tightness of a screw, and not only has wide application in various production and manufacturing fields, but also has wide application in daily life of people, such as daily maintenance of motor vehicles. With the rapid progress and development of science and technology, the conventional manual ratchet wrench is gradually replaced by the electric ratchet wrench due to the defects of inconvenient use, low working efficiency, time and labor waste and the like. However, the existing electric ratchet wrench in the market is generally large in size, has a heavy base and an impact head, is not convenient to use, and cannot operate in a narrow operating space, so that the application of the electric ratchet wrench is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric ratchet spanner solves one or more among the above-mentioned prior art problem.

The utility model provides an electric ratchet wrench, include:

a housing;

the ratchet head is arranged at the end part of the shell;

the gear box is arranged in the shell, and the output end of the gear box is connected with the ratchet head;

the motor is arranged in the shell, and the output end of the motor is connected with the gear box;

the power plug pin is arranged at one end of the shell, which is far away from the ratchet head, and the power plug pin is connected with the motor through a lead;

the control switch is arranged on the motor and controls the on-off of the motor, and the control switch is connected with the power plug pin through a lead;

one end of the operating rod is rotatably connected with the shell, and the other end of the operating rod is abutted against the control switch;

the locking block is arranged in the shell and is abutted against the control switch;

and the locking button is arranged outside the shell, is connected with the locking block and controls whether the locking block is abutted to the control switch or not.

In some embodiments, the ratchet wheel further comprises an LED lamp bead arranged outside the housing and connected to the power plug through a wire, and light of the LED lamp bead is emitted to the ratchet wheel head.

In some embodiments, the surface of the housing is provided with a plurality of vent holes.

In some embodiments, the battery pack further comprises a lithium battery, wherein the lithium battery is connected with the power pins, and the lithium battery is arranged in the shell.

In some embodiments, a sun gear, a first planet gear, a second planet gear, a third planet gear, an internal gear and a rotating wheel are arranged in the gear box, the sun gear is connected with the output end of the motor, the first planet gear is arranged between the sun gear and the internal gear and is respectively engaged with the sun gear and the internal gear, the second planet gear is arranged between the sun gear and the internal gear and is respectively engaged with the sun gear and the internal gear, the third planet gear is arranged between the sun gear and the internal gear and is respectively engaged with the sun gear and the internal gear, the first planet gear is fixedly connected with the rotating wheel, the second planet gear is fixedly connected with the rotating wheel, the third planet gear is fixedly connected with the rotating wheel, and the rotating wheel is fixedly connected with the ratchet head.

In some embodiments, the lever is hinged to the housing by a pin.

In some embodiments, the gear box is pinned to the housing.

In some embodiments, the lock button may move left and right along the housing and carry the lock block left and right.

In some embodiments the outside of the housing is coated with a soft rubber.

Has the advantages that:

the utility model discloses an electric ratchet spanner passes through the cooperation of locking button and locking piece, can prevent that operating personnel from not having the operation, increases the security. And the electric ratchet wrench is provided with the LED lamp and the hidden vent holes, so that the practicability and the attractiveness of the ratchet wrench are improved. The planetary gear set has large bearing capacity, stable work, large transmission ratio and high efficiency.

The electric ratchet wrench has the advantages of simple structure, convenience in use, small size and easiness in disassembly, is low in production cost, high in hand-holding comfort level and particularly suitable for being used in narrow space.

Drawings

Fig. 1 is a schematic structural view of an electric ratchet wrench according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an interior of an electric ratchet wrench according to an embodiment of the present invention;

fig. 3 is a partial schematic structural view of an electric ratchet wrench according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a gear box of an electric ratchet wrench according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an interior of a gear box of an electric ratchet wrench according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 3:

an electric ratchet wrench comprising:

a housing 10;

a ratchet head 20 provided at an end of the housing 10;

the gear box 30 is arranged in the shell 10, and the output end of the gear box 30 is connected with the ratchet head 20;

the motor 40 is arranged in the shell 10, and the output end of the motor 40 is connected with the gear box 30;

a power plug 50, wherein the power plug 50 is arranged at one end of the shell 10 far away from the ratchet head 20, and the power plug 50 is connected with the motor 40 through a lead;

the control switch 62 is arranged on the motor 40 and controls the on-off of the motor 40, and the control switch 62 is connected with the power plug pin 50 through a lead;

an operating lever 61 having one end rotatably connected to the housing 10 and the other end abutting against the control switch 62;

a lock block 63 provided in the housing 10 and abutting against the control switch 62;

and a lock button 64 provided outside the housing 10, connected to the lock block 63, and controlling whether or not the lock block 63 abuts against the control switch 62.

The shell is made of plastic and is divided into an upper shell and a lower shell, the upper shell and the lower shell are connected through screws or clamping, and grooves are formed in the shell and used for mounting elements such as the ratchet head, the gear box, the motor and the power plug pins.

The working principle is as follows: when the locking button is in a locking state, namely the locking block is abutted against the control switch, an operator cannot press the operating rod;

when the locking button is in an unlocking state, namely the locking block is staggered with the control switch, an operator drives the control switch to start the motor by pressing the operating rod, and the motor drives the ratchet head to rotate through a gear set in the gear box.

Further, the ratchet wheel further comprises an LED lamp bead 70 which is arranged outside the shell 10 and connected with the power plug pin 50 through a conducting wire, and light of the LED lamp bead 70 is emitted to the ratchet wheel head 30. In this way, the utility of the electric ratchet wrench can be improved.

Further, the housing 10 is provided with a plurality of vent holes 80 on the surface. The design of hidden ventilation hole has improved electric ratchet spanner's aesthetic property when the heat dissipation.

Further, the battery pack further comprises a lithium battery, wherein the lithium battery is connected with the power plug pin 50 and is arranged in the shell 10.

As shown in fig. 4 to 5:

further, a sun gear 31, a first planet gear 32, a second planet gear 33, a third planet gear 34, an internal gear 35 and a rotating wheel 36 are arranged in the gear box 30, the sun gear 31 is connected with the output end of the motor 40, the first planet gear 32 is arranged between the sun gear 31 and the internal gear 35 and is respectively meshed with the sun gear 31 and the internal gear 35, the second planet wheels 33 are arranged between the sun gear 31 and the inner gear 35 and are respectively meshed with the sun gear 31 and the inner gear 35, the third planetary gear 34 is disposed between the sun gear 31 and the internal gear 35 and is engaged with the sun gear 31 and the internal gear 35 respectively, the first planet wheel 32 is fixedly connected with the rotating wheel 36, the second planet wheel 33 is fixedly connected with the rotating wheel 36, the third planet gear 34 is fixedly connected to the rotating wheel 36, and the rotating wheel 36 is fixedly connected to the ratchet head 20.

The planetary gear set has the advantages of large bearing capacity, stable work, large transmission ratio and high efficiency.

Further, the operation lever 61 is hinged to the housing 10 by a pin. By the design, the electric ratchet wrench is convenient to disassemble.

Further, the gear housing 30 is connected to the housing 10 by a pin. By the design, the electric ratchet wrench is convenient to disassemble.

Further, the lock button 64 can move left and right along the housing 10, and carries the lock block 63 with it. The control switch is controlled to be locked or not by controlling the left and right movement of the locking button.

Further, the outer side of the housing 10 is coated with soft rubber. The soft rubber can improve the cushioning effect.

The utility model discloses electric ratchet spanner passes through the cooperation of locking button and locking piece, can prevent that operating personnel from not having the operation, increases the security. And the electric ratchet wrench is provided with the LED lamp and the hidden vent holes, so that the practicability and the attractiveness of the ratchet wrench are improved. The planetary gear set has large bearing capacity, stable work, large transmission ratio and high efficiency.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these should also be considered as within the scope of the present invention.

Claims

1. An electric ratchet wrench, comprising:

a housing (10);

a ratchet head (20) provided at an end of the housing (10);

the gear box (30) is arranged in the shell (10), and the output end of the gear box (30) is connected with the ratchet head (20);

the motor (40) is arranged in the shell (10), and the output end of the motor (40) is connected with the gear box (30);

the power supply plug pin (50), the power supply plug pin (50) is arranged at one end of the shell (10) far away from the ratchet head (20), and the power supply plug pin (50) is connected with the motor (40) through a lead;

the control switch (62) is arranged on the motor (40) and controls the on-off of the motor (40), and the control switch (62) is connected with the power plug pin (50) through a lead;

an operating lever (61) having one end rotatably connected to the housing (10) and the other end abutting against the control switch (62);

a lock block (63) which is provided in the housing (10) and abuts against the control switch (62);

and a lock button (64) which is provided outside the housing (10), is connected to the lock block (63), and controls whether or not the lock block (63) abuts against the control switch (62).

2. The electric ratchet wrench according to claim 1, further comprising an LED lamp (70) disposed outside the housing (10) and connected to the power plug (50) via a wire, wherein the LED lamp (70) emits light to the ratchet head (20).

3. An electric ratchet wrench according to claim 1, wherein the housing (10) is provided with a plurality of ventilation holes (80) in its surface.

4. The electric ratchet wrench according to claim 1, further comprising a lithium battery connected to the power supply pin (50), the lithium battery being provided in the housing (10).

5. The electric ratchet wrench according to claim 1, wherein a sun gear (31), a first planet gear (32), a second planet gear (33), a third planet gear (34), an internal gear (35) and a rotating wheel (36) are arranged in the gear box (30), the sun gear (31) is connected with an output end of the motor (40), the first planet gear (32) is arranged between the sun gear (31) and the internal gear (35) and respectively meshed with the sun gear (31) and the internal gear (35), the second planet gear (33) is arranged between the sun gear (31) and the internal gear (35) and respectively meshed with the sun gear (31) and the internal gear (35), the third planet gear (34) is arranged between the sun gear (31) and the internal gear (35) and respectively meshed with the sun gear (31) and the internal gear (35), the first planet wheel (32) is fixedly connected with the rotating wheel (36), the second planet wheel (33) is fixedly connected with the rotating wheel (36), the third planet wheel (34) is fixedly connected with the rotating wheel (36), and the rotating wheel (36) is fixedly connected with the ratchet head (20).

6. An electric ratchet wrench according to claim 1, wherein said operating lever (61) is hinged to said housing (10) by means of a pin.

7. An electric ratchet wrench according to claim 1, characterised in that the gear box (30) is pinned to the housing (10).

8. An electric ratchet wrench as claimed in claim 1, characterised in that the locking button (64) is movable to the left and right along the housing (10) with the locking block (63) moving to the left and right.

9. An electric ratchet wrench according to claim 1, characterised in that the housing (10) is externally coated with a soft rubber.