CN219505745U - Electric eraser - Google Patents

Abstract

The utility model relates to an electric eraser, which comprises a shell, wherein a motor and a power module for supplying power to the motor are arranged in the shell; the shell include shell body and inner shell body, the inner shell body sets up the inside at the shell body, motor and power module all set up in the inner shell body, the rubber stretches out to outside from the one end of shell body, the inner shell body is including the first inner shell body and the second inner shell body of mutual butt joint, the shell body is the integral type structure, first inner shell body and the inside wall buckle of second inner shell body all with the shell body is connected. The shell body connects first interior casing and second interior casing into a whole, and stable in structure is firm, and the shell body is the integral type structure, and the seam crossing of first interior casing and second interior casing is not exposed, and bare-handed can not tear open easily and untie, falls first interior casing and second interior casing on the ground from the eminence also difficult disintegration.

Description

Electric eraser

Technical Field

The utility model relates to the technical field of stationery, in particular to an electric eraser.

Background

The electric eraser is a device which uses a motor to control the rotation of the eraser and imitates the manual use of the eraser to rub paper so as to erase handwriting, so that the time and labor are saved, the stain is erased accurately, quickly and cleanly, and the erasing effect is good. In the prior art, the shell of the electric rubber is formed by mutually buckling and butting two opposite shells, and the motor and parts for electric connection are all installed in the shell. The buckles in butt joint with each other have limited locking force, so that the shell of the electric rubber can be easily disassembled by bare hands, and when the electric rubber falls to the ground from a table top or other high places, the two shells of the electric rubber are easily disassembled due to collision, so that the electric rubber is easily damaged.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an electric eraser which is stable and firm in structure, can not be easily disassembled by bare hands, and can not be easily disassembled when falling to the ground from a high place.

The technical scheme of the utility model is that the electric eraser comprises a shell, wherein a motor and a power module for supplying power to the motor are arranged in the shell, the motor is provided with an eraser, and the eraser is driven by the motor to rotate or reciprocate; the shell include shell body and inner shell body, the inner shell body sets up the inside at the shell body, motor and power module all set up in the inner shell body, the rubber stretches out to outside from the one end of shell body, the inner shell body is including the first inner shell body and the second inner shell body of mutual butt joint, the shell body is the integral type structure, first inner shell body and the inside wall buckle of second inner shell body all with the shell body is connected.

Compared with the prior art, the electric eraser has the following advantages: the inner shell comprises a first inner shell and a second inner shell which are mutually butted, the motor and the power module are conveniently installed in the inner shell, the outer shell is sleeved on the outer side of the inner shell, the first inner shell and the second inner shell are connected with the inner side wall buckle of the outer shell, the first inner shell and the second inner shell are connected into a whole through the outer shell, the structure is stable and firm, the outer shell is of an integrated structure, the joint of the first inner shell and the second inner shell is not exposed, the motor and the power module cannot be easily disassembled by bare hands, and the first inner shell and the second inner shell fall onto the ground from high positions and are not easy to disassemble.

Preferably, the outer side walls of the first inner shell and the second inner shell are respectively provided with at least one first buckling head, the inner side wall of the outer shell is provided with at least two first buckling positions, and the first buckling heads on the first inner shell and the second inner shell are in one-to-one corresponding buckling connection with the first buckling positions. By adopting the structure, the first inner shell and the second inner shell only need to be inserted from one end of the outer shell after being in butt joint until the first buckling heads on the first inner shell and the second inner shell are in one-to-one correspondence buckling connection with the first buckling positions, and the outer shell and the inner shell are installed, so that the assembly is convenient; the first knot position sets up on the inside wall of shell body, and first knot head also can not expose after being connected with first knot position buckle, and bare-handed can not tear outer shell body and interior casing open and untie, stable in structure is firm.

Preferably, the inner side wall of the outer shell is provided with at least two first buckling heads, the outer side walls of the first inner shell and the second inner shell are respectively provided with at least one first buckling position, and the first buckling heads are in one-to-one corresponding buckling connection with the first buckling positions on the first inner shell and the second inner shell. By adopting the structure, the first outer shell and the inner shell are convenient to assemble, the first buckle head is arranged on the inner side wall of the outer shell, the first buckle head is not exposed after being connected with the first buckle position buckle, and the outer shell and the inner shell cannot be disassembled by bare hands, so that the structure is stable and firm.

Preferably, the first inner shell and the second inner shell are butted left and right to form an inner shell, and two side edges of the first inner shell and two side edges of the second inner shell are respectively correspondingly connected in a buckling manner. By adopting the structure, the first inner shell and the second inner shell can be respectively butted at the left side and the right side of the motor and the power module, and the buckle connection is convenient to assemble.

Preferably, the first inner shell and the second inner shell are in up-down butt joint to form an inner shell, and one end of the first inner shell and one end of the second inner shell are correspondingly in buckling connection or threaded connection. By adopting the structure, the first inner shell and the second inner shell can be respectively in butt joint with the upper end and the lower end of the motor and the power module, and are in buckle connection or threaded connection, so that the assembly is convenient.

Preferably, one end of the inner shell is provided with a tail cover, the tail cover and the rubber are respectively positioned at two ends of the electric rubber, and the first inner shell and the second inner shell are both in buckling connection with the inner side wall of the tail cover. By adopting the structure, the tail cover can be used for closing one end of the inner shell, the first inner shell and the second inner shell are both connected with the inner side wall buckle of the tail cover, the joint of the end parts of the first inner shell and the second inner shell is not exposed, and the electric rubber can be disassembled by hands.

Preferably, the outer side walls of the first inner shell and the second inner shell are respectively provided with at least one second buckling head, the inner side wall of the tail cover is provided with at least two second buckling positions, and the second buckling heads on the first inner shell and the second inner shell are in one-to-one corresponding buckling connection with the second buckling positions. By adopting the structure, the tail cover only needs to be sleeved at the end parts of the first inner shell and the second inner shell until the second buckling heads on the first inner shell and the second inner shell are buckled and connected on the second buckling positions of the tail cover in a one-to-one correspondence manner, and the tail cover and the end parts of the inner shells are installed, so that the tail cover is convenient to assemble and stable and firm in structure.

Preferably, the side wall of the tail cap is embedded in the outer housing. By adopting the structure, the second buckling position can penetrate through the side wall of the tail cover, and the second buckling head is not exposed after being buckled with the second buckling position by buckling because the side wall of the tail cover is embedded into the outer shell, so that the tail cover and the inner shell cannot be disassembled by bare hands, and the structure is stable and firm.

Preferably, a charging module is further arranged in the inner shell, the charging module is electrically connected with the power module, the charging module comprises a charging interface electrically connected with the outside, a jack opposite to the charging interface is arranged on the outer shell or the tail cover, and the charging interface is electrically connected with the outside through the jack.

Preferably, the motor is provided with a switch, the first inner shell and/or the second inner shell are provided with switch installation positions for installing the switch, the outer shell is provided with buttons opposite to the switch installation positions, and the buttons are used for controlling the switch to operate.

Drawings

Fig. 1 is a schematic structural view of an electric eraser of the present utility model.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic view of a connection structure between the outer case and the inner case in fig. 1.

Fig. 4 is a schematic view of a connection structure between the tail cap and the inner housing in fig. 1.

As shown in the figure: 1. the electric vehicle comprises an outer shell, 1-1, a first buckling position, 1-2, a button, 2, an inner shell, 2-1, a first inner shell, 2-2, a second inner shell, 2-3, a first buckling head, 2-4, a second buckling head, 2-5, a third buckling head, 2-6, a switch installation position, 3, a tail cover, 3-1, a second buckling position, 3-2, a jack, 4, a protective cover, 5, a power module, 6, a motor, 6-1, a switch, 7, an eraser, 8, a charging module, 8-1 and a charging interface.

Detailed Description

For a better understanding of the utility model, various aspects of the utility model will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the utility model and is not intended to limit the scope of the utility model in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including" and/or "having," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Furthermore, when an expression such as "… at least one" occurs after a list of features listed, the entire listed feature is modified rather than modifying a separate element in the list.

Example 1:

as shown in fig. 1 and 2, the electric eraser of the present utility model comprises a tail cap 3, an outer housing 1, a protective cap 4, an inner housing 2, and a movement disposed within the inner housing 2, the movement comprising a charging module 8, a power module 5, a motor 6, and an eraser 7 disposed from top to bottom; the charging module 8 is electrically connected with the power module 5, the charging module 8 comprises a charging interface 8-1 electrically connected to the outside, an external power supply can charge a rechargeable battery in the power module 5 through the charging interface 8-1, and the power module 5 is electrically connected with the motor 6 and is used for supplying power to the motor 6; the motor 6 is provided with a switch 6-1, the first inner shell 2-1 is provided with a switch installation position 2-6 for installing the switch 6-1, the output end of the motor 6 is provided with an eraser 7, the inner shell 2 is arranged in the outer shell 1, the outer shell 1 is provided with a button 1-2 opposite to the switch installation position 2-6, the button 1-2 can be pressed to control the switch 6-1 to start or stop the operation of the motor 6, the eraser 7 extends outwards from one end of the outer shell 1 and is driven by the motor 6 to rotate or reciprocate, and therefore the eraser 7 can rub paper to erase handwriting.

The inner shell 2 comprises a first inner shell 2-1 and a second inner shell 2-2 which are mutually butted, the inner shell 2 is formed by left and right butting of the first inner shell 2-1 and the second inner shell 2-2, a plurality of third buckling positions (not shown) are arranged on two side edges of the first inner shell 2-1, a plurality of third buckling heads 2-5 are arranged on two side edges of the second inner shell 2-2, and the third buckling positions are in one-to-one corresponding buckling connection with the third buckling heads 2-5.

As shown in fig. 2 and 3, the outer casing 1 is of an integral structure, both ends of the outer casing 1 are not closed, and two opposite first buckling positions 1-1 are arranged on the inner side wall of the outer casing 1; the outer side walls of the first inner shell 2-1 and the second inner shell 2-2 are respectively provided with two first buckling heads 2-3, the first buckling heads 2-3 are elastic and can swing in a small amplitude relative to the inner shell 2, the first buckling heads 2-3 on the first inner shell 2-1 and the second inner shell 2-2 are respectively located at the side edges of two sides, and after being spliced in pairs, the first buckling heads are respectively buckled with the two first buckling positions 1-1 in a one-to-one correspondence manner, namely, the first inner shell 2-1 and the second inner shell 2-2 are respectively buckled with the inner side wall of the outer shell 1.

As shown in fig. 2 and 4, one end of the inner housing 2 located at the charging module 8 is provided with a tail cap 3, the side wall of the tail cap 3 is embedded into the outer housing 1, and the tail cap 3 and the rubber 7 are respectively located at two ends of the electric rubber. The outer side walls of one ends of the first inner shell 2-1 and the second inner shell 2-2 are respectively provided with a second buckling head 2-4, the inner side wall of the tail cover 3 is provided with two second buckling positions 3-1, the second buckling heads 2-4 on the first inner shell 2-1 and the second inner shell 2-2 are in one-to-one correspondence buckling connection with the second buckling positions 3-1, namely the first inner shell 2-1 and the second inner shell 2-2 are in buckling connection with the inner side wall of the tail cover 3. The tail cover 3 is provided with a jack 3-2 opposite to the charging interface 8-1, and the charging interface 8-1 is electrically connected with the outside through the jack 3-2.

In this embodiment, the outer casing 1 connects the first inner casing 2-1 and the second inner casing 2-2 into a whole, the structure is stable and firm, the first inner casing 2-1 and the second inner casing 2-2 are located inside the outer casing 1, the seam of the side wall is not exposed, the tail cover makes the seam of the end parts of the first inner casing and the second inner casing not exposed, so that the first inner casing 2-1 and the second inner casing 2-2 cannot be easily detached by bare hands, and are not easy to be disassembled when falling onto the ground from a high place.

In this embodiment, the first inner housing 2-1 and the second inner housing 2-2 are both connected to the inner side wall of the outer housing 1 by fastening, and may be changed into a structure (not shown) in which two first fastening heads are disposed on the inner side wall of the outer housing 1, and a first fastening position is disposed on the outer side wall of the first inner housing 2-1 and the second inner housing 2-2, and the first fastening heads are connected to the first fastening positions on the first inner housing 2-1 and the second inner housing 2-2 by fastening in a one-to-one correspondence manner.

Example 2:

the electric eraser of this embodiment is different from embodiment 1 in that the first inner casing and the second inner casing are vertically butted to form an inner casing 2 (not shown), the eraser 7 penetrates out of the bottom end of the second inner casing and extends out of the outer casing 1, the top end of the first inner casing is closed, the bottom end of the first inner casing is correspondingly buckled with the top end of the second inner casing or is in threaded connection, the first inner casing and the second inner casing are both buckled with the inner side wall of the outer casing as in embodiment 1, the closed end of the top end of the first inner casing is in tight contact with the end face of the top end of the outer casing, and the jack opposite to the charging interface 8-1 is arranged at the closed end of the top end of the first inner casing. Thus, the joints of the upper end and the lower end of the first inner shell and the second inner shell are not exposed, and the first inner shell and the second inner shell cannot be easily disassembled by bare hands.

The foregoing is merely exemplary of the present utility model and is not intended to limit the scope of the present utility model; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present utility model.

Claims (10)

1. An electric eraser comprises a shell, wherein a motor (6) and a power module (5) for supplying power to the motor (6) are arranged in the shell, an eraser (7) is arranged on the motor (6), and the eraser (7) is driven by the motor (6) to rotate or reciprocate; the novel electric motor is characterized in that the shell comprises an outer shell (1) and an inner shell (2), the inner shell (2) is arranged in the outer shell (1), a motor (6) and a power module (5) are arranged in the inner shell (2), an eraser (7) extends outwards from one end of the outer shell (1), the inner shell (2) comprises a first inner shell (2-1) and a second inner shell (2-2) which are mutually abutted, the outer shell (1) is of an integral structure, and the first inner shell (2-1) and the second inner shell (2-2) are connected with the inner side wall of the outer shell (1) in a buckling mode.

2. The electric eraser according to claim 1, wherein at least one first buckling head (2-3) is arranged on the outer side wall of the first inner shell (2-1) and the outer side wall of the second inner shell (2-2), at least two first buckling positions (1-1) are arranged on the inner side wall of the outer shell (1), and the first buckling heads (2-3) on the first inner shell (2-1) and the second inner shell (2-2) are in one-to-one corresponding buckling connection with the first buckling positions (1-1).

3. The electric eraser according to claim 1, wherein at least two first buckling heads are arranged on the inner side wall of the outer shell (1), at least one first buckling position is arranged on the outer side walls of the first inner shell (2-1) and the second inner shell (2-2), and the first buckling heads are in one-to-one correspondence buckling connection with the first buckling positions on the first inner shell (2-1) and the second inner shell (2-2).

4. The electric eraser according to claim 1, wherein the first inner casing (2-1) and the second inner casing (2-2) are butted left and right to form the inner casing (2), and two side edges of the first inner casing (2-1) and two side edges of the second inner casing (2-2) are respectively connected in a corresponding buckling manner.

5. The electric eraser according to claim 1, wherein the first inner casing (2-1) and the second inner casing (2-2) are vertically butted to form the inner casing (2), and one end of the first inner casing (2-1) and one end of the second inner casing (2-2) are correspondingly connected in a snap fit or threaded manner.

6. Electric eraser according to any one of claims 1 to 5, characterized in that one end of the inner housing (2) is provided with a tail cap (3), the tail cap (3) and the eraser (7) are respectively located at two ends of the electric eraser, and the first inner housing (2-1) and the second inner housing (2-2) are both in snap connection with the inner side wall of the tail cap (3).

7. The electric eraser according to claim 6, wherein at least one second buckling head (2-4) is arranged on the outer side wall of the first inner shell (2-1) and the second inner shell (2-2), at least two second buckling positions (3-1) are arranged on the inner side wall of the tail cover (3), and the second buckling heads (2-4) on the first inner shell (2-1) and the second inner shell (2-2) are in one-to-one corresponding buckling connection with the second buckling positions (3-1).

8. Electric eraser according to claim 7, characterized in that the side walls of the tail cap (3) are embedded in the outer housing (1).

9. The electric eraser according to claim 6, wherein a charging module (8) is further arranged in the inner housing (2), the charging module (8) is electrically connected with the power module (5), the charging module (8) comprises a charging interface (8-1) electrically connected to the outside, a jack opposite to the charging interface (8-1) is arranged on the outer housing (1) or the tail cover (3), and the charging interface (8-1) is electrically connected to the outside through the jack.

10. Electric eraser according to claim 1, characterized in that the motor (6) is provided with a switch (6-1), the first inner housing (2-1) and/or the second inner housing (2-2) are provided with a switch mounting position (2-6) for mounting the switch (6-1), the outer housing (1) is provided with a button (1-2) opposite to the switch mounting position (2-6), and the button (1-2) is used for operating the switch (6-1) to act.