CN216033432U

CN216033432U - Reciprocating type electric eraser

Info

Publication number: CN216033432U
Application number: CN202122118462.1U
Authority: CN
Inventors: 谷晓川; 朱传奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-15
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a reciprocating type electric eraser which comprises a shell, a reciprocating type motor embedded in an inner cavity of the shell and close to a working end, and a battery embedded in the inner cavity of the shell and far away from the working end to provide a working power supply for the reciprocating type motor, wherein an eraser is clamped at the front end of a reciprocating type push rod at the front end of the reciprocating type motor. The reciprocating type electric eraser changes the traditional wiping mode that the traditional electric eraser adopts a high-speed rotating motor matched with a cylindrical eraser and rotates concentrically at a high speed into the reciprocating type wiping mode simulating the use of the eraser by human hands, and has high safety.

Description

Reciprocating type electric eraser

Technical Field

The utility model relates to the technical field of environmental sanitation equipment, in particular to a reciprocating type electric eraser.

Background

The existing electric erasers all adopt a structure that a high-speed rotating motor is matched with a cylindrical eraser (mostly a rubber core with the diameter of 2.5mm-8 mm) to concentrically rotate, the eraser is driven by the high-speed rotation of the motor to generate friction force, and characters, pictures and the like required to be modified are modified. This structure suffers from several significant drawbacks: 1) because the contact area between the cylindrical eraser and the paper is small, in order to better achieve the cleaning effect, the number of the uniform revolution of the adopted motor is large, the generated friction force is also large, the paper is easily ground or fluffed in the repeated wiping process, and the whole writing or drawing effect is damaged; 2) because the eraser is made of soft material, centrifugal force can be generated in the high-speed rotation process, the oscillation amplitude of the eraser is large, the range to be modified is not easy to control, and the eraser is not suitable for fine modification; 3) although the motor does not leak, the eraser rotates at a high speed along with the motor, and certain danger exists, particularly for school-age girl users, the long hair is easy to be stirred into the eraser.

Disclosure of Invention

The utility model aims to solve the problems and provides a reciprocating type electric eraser.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the reciprocating type electric eraser comprises a shell, a reciprocating type motor and a battery, wherein the reciprocating type motor is embedded in an inner cavity of the shell and is close to a working end, the battery is embedded in the inner cavity of the shell and is far away from the working end to provide a working power supply for the reciprocating type motor, and an eraser is clamped at the front end of a reciprocating type push rod at the front end of the reciprocating type motor.

As a further improvement to the above technical solution, the housing includes an upper housing and a lower housing which are fastened, and the upper housing is provided with a switch button near the working end; the front end of the shell is connected with a front cover, a front outlet of a square rubber is arranged in front of the front cover, a guide block is arranged in an inner cavity at the rear end of the front cover, two guide blocks are slidably clamped with slide blocks, and the slide blocks are in contact connection with a reciprocating push rod at the front end of a reciprocating motor; a rear cover and a negative cover are embedded at the rear end of the shell, a pressure spring is arranged at the negative end of the negative cover and the negative end of the battery, the positive electrode of the battery is connected with the positive electrode of the reciprocating motor, a negative plate is arranged on the periphery of the negative cover, and the front end of the negative plate is positioned below the switch button; the rear cover is embedded at the rear end of the shell.

As a further improvement to the above technical solution, an insulating sheet is provided between the negative plate cover and the rear cover.

As a further improvement to the technical scheme, the periphery of the sliding block is clamped with a reset elastic sheet, and the other end of the reset elastic sheet is clamped on a push rod of the reciprocating motor.

As a further improvement to the above technical solution, the battery is a storage battery.

As a further improvement to the above technical solution, the lower case is provided with a fastening groove on the fastening surface, correspondingly, the upper case is provided with a fastening protrusion on the inner circumference of the fastening portion, and the fastening groove and the fastening protrusion on one side are respectively two and correspondingly separately provided. The upper shell and the lower through body are buckled into a detachable shell structure through the clamping grooves and the clamping bulges.

Compared with the prior art, the utility model has the advantages and positive effects that:

the reciprocating type electric eraser changes the traditional wiping mode that the traditional electric eraser adopts a high-speed rotating motor matched with a cylindrical eraser and rotates concentrically at a high speed into the reciprocating type wiping mode simulating the use of an eraser by human hands. The eraser is characterized in that a plurality of structures are manufactured, the direction of power generation of the motor is changed, the power generation is changed from rotation to reciprocating power generation, and the eraser can move back and forth in a specific range, so that the erasing mode that a hand of a person uses the eraser is simulated, and the erasing effect is achieved. Note: when people normally use the eraser, most of the movement is reciprocating wiping, and the eraser does not perform concentric rotation wiping like the traditional electric eraser.

The utility model adopts the design of a reciprocating wiping mechanism imitating the use of hands, and abandons the concentric rotation friction wiping structure of the prior product. Patent product adopts tangent plane 2.5mm 5 mm's cuboid rubber core, cuboid rubber greatly increased with the area of contact of paper, collocation low speed motor drives reciprocating mechanism again, make the rubber carry out reciprocating motion at certain within range, the mode of repeatedly wiping that the imitative people's hand used is wiped the modification to characters or picture, reciprocating type is wiped the mode that the people's hand used the rubber that is closest, utilize the retrieval and utilization to make rubber and paper rub, reach and wipe the effect.

The utility model has the following advantages: 1) the reciprocating type electric eraser and the power transmission eraser are different in surface friction and point friction, so that the reciprocating type electric eraser does not need a high-rotation-speed motor, the reciprocating type erasing mode is that the eraser body and paper are completely used for rubbing, the paper cannot be damaged, and the requirement on the cleanliness of the eraser body is high; 2) compared with the traditional electric eraser, the reciprocating electric eraser does not rotate at a high speed, so that the problem of centrifugation does not exist, and the wiping range controllability of the eraser is greatly improved; 3) compared with the traditional electric eraser, the reciprocating electric eraser has no high-speed rotating structure, the safety is improved, and the insecurity of the traditional electric eraser is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the explosion-sintering structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.

The reciprocating type electric eraser comprises a shell, a reciprocating type motor 9 embedded in the inner cavity of the shell and close to a working end, and a battery 10 embedded in the inner cavity of the shell and far away from the working end to provide a working power supply for the reciprocating type motor 9, wherein the front end of a reciprocating type push rod 7 at the front end of the reciprocating type motor 9 is clamped with an eraser 1.

The shell comprises an upper shell 5 and a lower shell 6 which are buckled, and a switch key 8 is arranged at the position, close to the working end, of the upper shell 5; the front end of the shell is connected with a front cover 2, a front outlet of a square rubber 1 is arranged in front of the front cover 2, a guide block 201 is arranged in an inner cavity of the rear end of the front cover 2, two guide blocks 201 are slidably clamped with a slide block 3, and the slide block 3 is in contact connection with a reciprocating push rod 7 at the front end of a reciprocating motor 9; a rear cover 15 and a negative cover 12 are embedded at the rear end of the shell, a pressure spring 13 is arranged between the negative cover 13 and the negative end of the battery 10, the positive electrode of the battery 10 is connected with the positive electrode of the reciprocating motor 9, a negative plate 11 is arranged on the periphery of the negative cover 12, and the front end of the negative plate 11 is positioned below the switch key 8; the rear cover 15 is embedded in the rear end of the housing. An insulating sheet 14 is provided between the negative plate cover 13 and the rear cover 15.

The periphery of the sliding block 3 is clamped with a reset elastic sheet 4, and the other end of the reset elastic sheet 4 is clamped on a reciprocating push rod 7 of a reciprocating motor 9. The battery 10 is a secondary battery. The lower case 6 is provided with a fastening groove 601 on the fastening surface, correspondingly, the upper case 5 is provided with a fastening protrusion on the inner circumference of the fastening position, and the fastening groove 601 and the fastening protrusion on one side are respectively provided in two and correspondingly separated. The upper shell 5 and the lower transition body 6 are buckled into a detachable shell structure through the clamping groove 601 and the clamping protrusion.

While there have been shown and described what are at present considered to be the fundamental principles of the utility model and its essential features and advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A reciprocating type electric eraser is characterized in that: the reciprocating type motor comprises a shell, a reciprocating type motor embedded in the inner cavity of the shell and close to a working end, and a battery embedded in the inner cavity of the shell and far away from the working end to provide a working power supply for the reciprocating type motor, wherein an eraser is clamped at the front end of a reciprocating type push rod at the front end of the reciprocating type motor.

2. The reciprocating type electric eraser as recited in claim 1, wherein: the shell comprises an upper shell and a lower shell which are buckled, and a switch key is arranged at the position, close to the working end, of the upper shell; the front end of the shell is connected with a front cover, a front outlet of a square rubber is arranged in front of the front cover, a guide block is arranged in an inner cavity at the rear end of the front cover, two guide blocks are slidably clamped with slide blocks, and the slide blocks are in contact connection with a reciprocating push rod at the front end of a reciprocating motor; a rear cover and a negative cover are embedded at the rear end of the shell, a pressure spring is arranged at the negative end of the negative cover and the negative end of the battery, the positive electrode of the battery is connected with the positive electrode of the reciprocating motor, a negative plate is arranged on the periphery of the negative cover, and the front end of the negative plate is positioned below the switch button; the rear cover is embedded at the rear end of the shell.

3. The reciprocating type electric eraser as recited in claim 2, wherein: an insulating sheet is arranged between the negative plate cover and the rear cover.

4. The reciprocating type electric eraser as recited in claim 2, wherein: the periphery joint of slider has the shell fragment that resets, the other end card of shell fragment that resets is on reciprocating motor's push rod.

5. The reciprocating type electric eraser as recited in claim 2, wherein: the battery is a storage battery.

6. The reciprocating type electric eraser as recited in claim 2, wherein: the lower shell is provided with a clamping groove on the buckling surface, correspondingly, the inner periphery of the upper shell at the buckling position is provided with a clamping bulge, and the clamping groove and the clamping bulge on one side are respectively two and correspondingly arranged separately. The upper shell and the lower through body are buckled into a detachable shell structure through the clamping grooves and the clamping bulges.