CN214057069U

CN214057069U - Pencil sharpener warning structure of pencil sharpener

Info

Publication number: CN214057069U
Application number: CN202022854917.1U
Authority: CN
Inventors: 陈伟建
Original assignee: Ningbo Feimili Stationery Co ltd
Current assignee: Ningbo Feimili Stationery Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-27
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a sharpening of a ware is cut and is pointed warning structure, includes the crank, adjusts the structure, adjusts the pole and hinders a piece, its characterized in that: the inner side of the adjusting structure is provided with a touch switch with a light-emitting element, a replaceable power supply is arranged in the handle, the power supply is electrically connected with the light-emitting element and the touch switch to form a lighting loop, when the pencil is sharpened and the pencil point touches a pencil block, the pencil block moves forwards to drive the adjusting rod to move forwards, and the adjusting rod is abutted against the touch switch to realize the light-emitting element to emit light. The utility model has the advantages of simple and reasonable compactness, operation convenient assembling, the pencil can be sent out light automatically and be indicateed when cutting, and can conveniently change the power, has better practicality.

Description

Pencil sharpener warning structure of pencil sharpener

Technical Field

The utility model relates to a stationery, concretely relates to sharpener's pen point warning structure.

Background

The pencil sharpener is popular among students as a pencil sharpening tool, generally comprises a main body, a pencil clamping mechanism, a knife rest and a rocker arm, when in use, a pencil is fixed by the pencil clamping mechanism, and the pencil can be sharpened by shaking the rocker arm by hands. However, the traditional pencil sharpener has single function, and in the pencil sharpening process, the traditional pencil sharpener operates by feeling, so that the traditional pencil sharpener is easy to cut too much to cause waste.

According to the existing Chinese patent No. 94209373.9, the sharpening detection mechanism of pencil sharpener is that a buzzer, a music or language integrated block or a light emitting diode, a power supply and two contacts are arranged in the pencil sharpener, the distance between the two contacts is equal to the exposed length of a pencil point when the pencil point is sharpened, and the power supply and the two contacts are connected with two trigger ends of the music or language integrated block with a piezoelectric ceramic plate and a power supply end or a diode of the light emitting diode. As long as the user operates the pencil sharpener to ensure that the bare pencil point is just connected with the two contacts when the pencil point is sharpened, the pencil point has good conductivity, namely a trigger signal is given to the music or language integration block or a light-emitting diode is connected, so that a music or language or light-emitting prompt is given to the user. The structure can detect the sharpening of the pencil, but does not specifically explain how to install the power supply, the two contacts and the piezoelectric ceramic chip music or language integrated block, and the structure is more complex.

In addition, chinese patent No. 200520066743.5, a multifunctional light-operated music pencil sharpener, includes a casing, a pencil sharpener installed in the casing through the pencil sharpener, and a rocking handle connected to the cutter holder, wherein the casing is provided with a pencil guide hole opposite to the cutter, and a pencil clip is installed in the pencil guide hole, characterized in that the casing is provided with a circuit containing integrated circuit for sounding and flashing, and the pencil sharpener is provided with a rotary switch device; the rotary switch device is composed of an optical signal arranged on the pencil sharpener frame and an optical control signal switch which is arranged outside the circumference of the rotary tool rest shaft and is composed of an optical receiving device connected with a circuit; and the circuit is also connected with a manual switch which is arranged outside the shell. The structure increases the functions of music and flash, increases the product interestingness, but can not detect the sharpening of the pencil, and is relatively complex.

Disclosure of Invention

The utility model aims to solve the technical problem that to foretell technical current situation and provide a simple structure, reasonable compactness, assembly, convenient to use's pen point warning structure of cutting, the pencil can be automatic luminous when cutting, and can conveniently change the power.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a sharpening of a ware is cut sharp warning structure includes the crank, adjusts the structure, adjusts the pole and hinders a piece, its characterized in that: the inner side of the adjusting structure is provided with a light-emitting element and a touch switch, a replaceable power supply is arranged in the handle, the power supply is electrically connected with the light-emitting element and the touch switch to form a lighting loop, when the pencil is sharpened and the pencil point touches a pencil block, the pencil block moves forwards to drive the adjusting rod to move forwards, and the adjusting rod is abutted against the touch switch to realize the light-emitting element to emit light.

As an improvement, a PCB is arranged in the adjusting structure, the light-emitting elements are double rows of electric beads, the double rows of electric beads are arranged on the outer side of the PCB, and the touch switch is arranged on the inner side of the PCB and corresponds to the rear end of the adjusting rod.

Further, the power is button cell, and the appearance chamber that supplies button cell to put into is seted up to the medial surface of cranking hand, holds the intracavity and is equipped with the battery knot that offsets with button cell, and the opening part that holds the chamber is to closing and is equipped with the battery lid.

Further, the adjusting structure comprises an adjusting knob, and the adjusting knob is a transparent piece.

Still further, the light emitting element is not limited to be installed in the adjusting structure, and the light emitting element may be installed on the front side surface of the handle.

Furthermore, a front panel is arranged on the front side of the hand crank, and the light-emitting element is installed in the front panel.

Finally, the front panel is a transparent piece.

Compared with the prior art, the utility model has the advantages of: an adjusting rod coaxial with the pen inserting hole is arranged in the tool rest in a penetrating mode, a light-emitting element is arranged in the adjusting knob, a touch switch is arranged on the inner side face of the adjusting knob, when a pencil is well sharpened and a pencil point touches a pencil blocking block, the pencil blocking block drives the adjusting rod to move backwards, and the adjusting rod abuts against the touch switch to achieve light-emitting of the light-emitting element; the light-emitting elements are double rows of electric beads, so that the lighting effect is good; the power supply is a button battery, is arranged in the containing cavity on the inner side surface of the handle and can be conveniently replaced; the light-emitting element can also be arranged on the front side surface of the hand crank, so that the illumination range is wider. The utility model discloses compactness rational in infrastructure, the operation assembly is very convenient, and the pencil can be sent out light automatically and be indicateed when cutting, and can conveniently change the power, has better practicality.

Drawings

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

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

fig. 4 is a schematic structural view of the pencil sharpening end adjusting rod in a state of abutting against the touch switch.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, a pen sharpening warning structure of a pencil sharpener comprises a knife rest 1, a hand crank 2, an adjusting structure 3, an adjusting rod 4, a pencil block 5, a touch switch 61 and a light emitting element 62, wherein the knife rest 1 is installed at one side of the hand crank 2, a pencil inserting hole is formed in one side of the knife rest 1, the adjusting structure 3 is rotatably installed at the other side of the hand crank 2 through a rear cover, the adjusting structure 3 comprises an adjusting knob 31, the adjusting structure 3 is used for adjusting the thickness of a pencil point of a pencil, and the principle and the structure of the adjusting structure are consistent with those of the prior art and are not described herein; a light-emitting element 62 and a touch switch 61 are arranged in the adjusting structure 3, a replaceable power supply is arranged in the handle 2, and the power supply is electrically connected with the light-emitting element 62 and the touch switch 61 to form an illumination loop; an adjusting rod 4 capable of moving in an axial limiting manner is arranged in the tool rest 1 in a penetrating mode, the adjusting rod 4 and a pen inserting hole of the tool rest 1 are coaxially arranged, a pen blocking block 5 is arranged at one end of the adjusting rod 4, the other end of the adjusting rod 4 extends out of the tool rest 1 to be in contact with a touch switch 61, when a pencil 7 is cut and a pencil point is pushed against the pen blocking block 5, the pencil blocking block 5 moves forwards due to the thrust of the pencil 7, the adjusting rod 4 is driven to move forwards by the movement of the pen blocking block 5, and the adjusting rod 4 is abutted against the touch switch 61 to achieve the light emitting of the light emitting element 62.

The concrete structure is as follows: a limiting cavity for the penetration of the adjusting rod 4 and the forward and backward limiting movement is axially formed in the tool rest 1, through holes for the penetration of the front end and the back end of the adjusting rod 4 are formed in the front end and the back end of the limiting cavity, the adjusting rod 4 is divided into a front section and a back section, the front section penetrates through the through hole at the front end of the limiting cavity and extends out of the tool rest 1 to be connected with the pen stopping block 5, the back section is arranged in the limiting cavity, and a limiting guide block 41 matched with the inner diameter of the limiting cavity is formed between the front section and the back section; the pencil blocking block 5 is arranged in an opening in the middle of the knife rest 1, the contact surface of the pencil blocking block 5 and the knife rest 1 is designed to be a slope, when the pencil 7 is removed, the pencil blocking block 5 slides to the low end to be limited under the action of self weight, the pencil blocking block 5 is separated from the adjusting rod 4, the touch switch 61 is reset, and at the moment, the light-emitting element 62 is extinguished.

The adjusting structure 3 comprises an adjusting knob 31, a PCB 6 is arranged in the adjusting structure 3, the light-emitting elements 62 are double rows of electric beads, the light-emitting elements 62 are arranged on the outer side of the PCB, the touch switch 61 is arranged on the inner side of the PCB and corresponds to the rear end of the adjusting rod 4, and the adjusting knob 31 is a transparent piece for facilitating light transmission; the power supply is a button cell 21, the inner side surface of the handle 2 is provided with a containing cavity for placing the button cell 21, a cell button 23 abutting against the button cell 21 is arranged in the containing cavity, and a cell box cover 22 is arranged at the opening of the containing cavity in an involutory manner.

In addition, the light emitting element 62 is not limited to be installed inside the adjusting structure 3, and the light emitting element 62 may be installed on the front side surface of the handle 2; the front panel 20 is provided on the front side of the handle 2, the light emitting element 62 is mounted in the front panel 20, and the front panel 20 is a transparent member.

When the pencil sharpener is used, a pencil 7 is inserted into the pencil inserting hole of the tool rest 1 for sharpening, after sharpening is completed, the pencil point abuts against the pencil block 5, the pencil block 5 moves forwards to drive the adjusting rod 4 to move forwards, the rear end of the adjusting rod 4 abuts against the touch switch 61 to achieve the light emitting of the light emitting element 62, the adjusting knob 31 is lightened, and the pencil sharpener is indicated to be completed and plays a role in prompting the completion of sharpening.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a sharpening of ware of cutting a pencil sharpens pointed warning structure, includes hand crank (2), adjusts structure (3), adjusts pole (4) and hinders a piece (5), its characterized in that: the pencil is characterized in that a light-emitting element (62) and a touch switch (61) are installed on the inner side of the adjusting structure (3), a replaceable power supply is arranged in the handle (2), the power supply is electrically connected with the light-emitting element (62) and the touch switch (61) to form a lighting loop, when the pencil (7) is cut and the pencil point touches the pencil blocking block (5), the pencil blocking block (5) moves forwards to drive the adjusting rod (4) to move forwards, and the adjusting rod (4) is abutted against the touch switch (61) to achieve the light-emitting element (62) to emit light.

2. The sharpening warning structure of claim 1, wherein: the LED lamp is characterized in that a PCB (6) is arranged in the adjusting structure (3), the light-emitting elements (62) are double rows of electric beads, the double rows of electric beads are arranged on the outer side of the PCB (6), and the touch switch (61) is arranged on the inner side of the PCB (6) and corresponds to the rear end of the adjusting rod (4).

3. The sharpening warning structure of claim 1, wherein: the power is button cell (21), and the medial surface of handle (2) is seted up and is supplied button cell (21) to put into the appearance chamber, holds the intracavity and is equipped with battery button (23) that offsets with button cell (21), and the opening part that holds the chamber is to closing and is equipped with battery box lid (22).

4. The sharpening warning structure of claim 1, wherein: the adjusting structure (3) comprises an adjusting knob (31), and the adjusting knob (31) is a transparent piece.

5. The sharpening warning structure of claim 1, wherein: the light-emitting element (62) is not limited to be arranged in the adjusting structure (3), and the light-emitting element (62) can also be arranged on the front side surface of the hand crank (2).

6. The sharpening warning structure of claim 1, wherein: the front side of the handle (2) is provided with a front panel (20), and the light-emitting element (62) is installed in the front panel (20).

7. The sharpening warning structure of claim 6, wherein: the front panel (20) is a transparent piece.