CN112248697A

CN112248697A - Pencil sharpener for stationery

Info

Publication number: CN112248697A
Application number: CN202011102229.8A
Authority: CN
Inventors: 程方园
Original assignee: 程方园
Current assignee: Fengming primary school, Fengming Town, Yunyang County
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-01-22
Anticipated expiration: 2040-10-15
Also published as: CN112248697B

Abstract

The invention relates to the technical field of stationery and discloses a pencil sharpener for stationery, which comprises a shell, wherein a waste material box is movably connected in the shell; automatic to pushing away material and book and cut the operation and control, increase the linkage between the structure, it is more convenient to make the operation, avoid frequent switching device, increase the life of device, higher degree of automation has, it promotes the pencil to carry out the equidistance voluntarily, the length that makes the pencil book cut is invariable all the time, compare traditional sharpener, can effectively avoid because the difficult control problem of length of manual promotion pencil, the condition that the pencil excessively is rolled up and cut appears, cause the pencil extravagant, through the sharpener, the combined action of rotary column and carousel, automatically, book the pencil is cut, make the book cut degree of pencil obtain control, reduce artificial intervention, avoid the continuation to roll up and cut the pencil, make the pencil lead thin excessively, increase the probability of disconnected core, unfavorable and the use of pencil.

Description

Pencil sharpener for stationery

Technical Field

The invention relates to the technical field of stationery, in particular to a pencil sharpener for stationery.

Background

The pencil sharpener is divided into a manual type and an electric type, wherein the hand-operated pencil sharpener is one of the common manual pencil sharpeners, when the manual pencil sharpener is used, a pencil stub is usually inserted into a hole of the pencil sharpener, and a pencil or the pencil sharpener is rotated or a movable handle is shaken according to different types of the pencil sharpener. Because non-hand type pencil sharpener needs the manual propelling pencil in the use, the promotion degree is wayward, the condition of excessive frilling appears easily, make the refill fracture, cause the pencil extravagant, and hand formula pencil sharpener is when using, because the wabble degree is wayward, the condition that the nib is too thin appears easily, make it in the use, the probability of the broken paper of increase, and the nib breaks easily, simultaneously because nib thickness difference is too big, cause the inhomogeneous condition of writing when using. When the existing electric pencil sharpener is used, the pencil sharpener needs to be frequently turned on and off under the condition of overlarge pencil sharpening amount, the probability of damage of the pencil sharpener is increased, the service life of the pencil sharpener is greatly reduced, and the long-term use of the pencil sharpener is not facilitated.

Aiming at the defects of the prior art, the invention provides the pencil sharpener for stationery, which has the advantages of convenient operation, better sharpening quality and reduced probability of damage of the pencil sharpener, solves the problems of inconvenient operation, poor sharpening quality and easy damage of the pencil sharpener, automatically controls the pushing and sharpening operations, avoids frequent switching devices, prolongs the service life of the device, the pencil is pushed equidistantly, the sharpening length of the pencil is always constant, compared with the traditional pencil sharpener, can effectively avoid the problem that the pencil is excessively curled and cut due to the difficulty in controlling the length of the manually pushed pencil, and the pencil is automatically curled and cut, so that the curling and cutting degree of the pencil is controlled, manual intervention is reduced, continuous pencil curling and cutting is avoided, the pencil lead is too thin, the probability of lead breakage is increased, and the pencil is not favorable for use.

Disclosure of Invention

Technical scheme (I)

In order to realize the purposes of convenient operation, better coiling and cutting quality and reduction of damage of the pencil sharpener, the invention provides the following technical scheme: a pencil sharpener for a stationery item comprising wherein: the device comprises a shell, a waste material box, a rolling knife, a rotary column, a rotary disc, a brake rod, a clamping rod, a rotary plate, a ratchet wheel, a groove plate, a movable block and a sliding frame.

The position and connection relationship among the structures are as follows:

a pencil sharpener for stationery comprises a shell, wherein the surface of the left wall of the shell is provided with a through hole, the surface of the shell is provided with a placing opening, the inside of the shell is movably connected with a waste material box, the top of the waste material box is fixedly connected with a material channel, the top of the material channel is movably connected with a sharpener, the upper part of the waste material box is movably connected with a sharpener, the outer side of the sharpener is connected with a rotary column in a regulated manner, the surface of the rotary column is provided with two chutes with the same size, the lower part of the rotary column is movably connected with a rotary table, the outer side of the rotary table is fixedly connected with four support rods with the same size, the inside of the shell is movably connected with a brake rod in an inverted T shape, the outer side of the shell outside a vertical rod of the sharpener is fixedly connected with a limiting tube, the outer side of the limiting tube is movably, the clamping bar is in an inverted L shape, the outer side of a vertical bar of the clamping bar is movably connected with an elastic sheet, the outer side of the clamping bar is movably connected with a rotating plate, the rotating plate is in an inverted V shape, the surface of the vertical bar is provided with a through groove, the outer side of the rotating plate is movably connected with a pull rope, one side of the pull rope, which is far away from the rotating plate, is movably connected with a ratchet wheel, the upper part of the ratchet wheel is fixedly connected with a groove plate, the surface of the groove plate is provided with a clamping groove, the outer side of the clamping groove is movably connected with a clamping plate, the surface of the clamping plate is provided with a through groove, the upper part of the groove plate is movably connected with a movable block, the bottom of the movable block is fixedly connected with a connecting rod, the bottom of the connecting rod is movably connected with a sliding block, the sliding block is movably clamped, the upper part of the movable block is movably connected with a sliding frame which is in an inverted concave shape.

(II) advantageous effects

Compared with the prior art, the invention provides a pencil sharpener for stationery, which has the following beneficial effects:

1. this a pencil sharpener for stationery through the combined action of brake lever, kelly, commentaries on classics board and ratchet, controls pushing away the material automatically and the operation is cut to the book, increases the linkage nature between the structure, makes the operation more convenient, avoids frequent switching device, increases the life of device, has higher degree of automation.

2. This a pencil sharpener for stationery through the combined action of changeing board, ratchet, frid, movable block and smooth frame, carries out the equidistance to the pencil voluntarily and promotes, makes the length that the pencil was curled and is cut invariable all the time, compares traditional pencil sharpener, can effectively avoid because the difficult control problem of length of manual promotion pencil, the condition that the pencil excessively was curled and is cut appears, causes the pencil extravagant.

3. This a pencil sharpener for stationery through the combined action of sharpener, rotary column and carousel, carries out the book to the pencil automatically and cuts, makes the book of pencil cut the degree and obtains controlling, reduces artificial intervention, avoids the continuation to carry out the book to the pencil and cuts, makes the pencil lead thin, increases the probability of disconnected core, unfavorable and the use of pencil.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the connection between the rotary column and the rotary table according to the present invention;

fig. 4 is a schematic view of the connection relationship between the rotating plate and the moving block.

In the figure: 1. a housing; 2. a waste material box; 3. rolling a cutter; 4. turning the column; 5. a turntable; 6. a brake lever; 7. a clamping rod; 8. rotating the plate; 9. a ratchet wheel; 10. a groove plate; 11. a moving block; 12. a movable block; 13. and (6) sliding the frame.

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 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 invention.

Referring to fig. 1-4, a pencil sharpener for stationery comprises a housing 1, a through hole is formed on the surface of the left wall of the housing 1, the size of the through hole is matched with the size of a pencil, a placing opening is formed on the surface of the housing 1, the size of the placing opening is matched with the size of a waste material box 2, an isosceles triangle-shaped channel is formed on the inner wall of the housing 1, the waste material box 2 is movably connected inside the housing 1, a material channel is fixedly connected to the top of the waste material box 2, a sharpener 3 is movably connected to the top of the material channel, a sharpener 3 is movably connected to the upper side of the waste material box 2, a rotary column 4 is fixedly connected to the outer side of the sharpener 3, two chutes with the same size are formed on the surface of the rotary column 4, the two chutes are symmetrically distributed by taking the central axis of the rotary column 4 as a reference, the size of the chutes is matched with the size of a support rod on the outer side of the rotary, four branches are distributed at equal intervals, so that when the rotary table 5 rotates, the four branches on the outer side of the rotary table are sequentially close to the rotary column 4, and the branches move in the chute of the rotary column 4 to drive the rotary column 4 to rotate.

The inside swing joint of the outer cover 1 has brake lever 6, the brake lever 6 presents the inverted T-shape, outside of the outer cover 1 of its montant outside, outside of its horizontal pole fixedly connects with spacing tube, outside swing joint of spacing tube has springs, one side of the spring far away from spacing tube is swing joint with horizontal pole, in the beginning, the brake lever 6 is located the rightmost side, its horizontal pole is located outside of trip bar 7 at this moment, have the hindering action to the movement of trip bar 7, the right side swing joint of the brake lever 6 has trip bar 7, trip bar 7 presents the inverted L-shape, outside swing joint of its montant has shell fragment, trip bar 7 is located outside of the diagonal bar of the rotating plate 8, outside swing joint of the trip bar 7 has rotating plate 8, rotating plate 8 presents the inverted V-shape, the surface of its montant has through groove, outside swing joint of rotating plate 8 has stay cord, one side far away from rotating plate 8 is swing joint with carousel 5, the junction of the montant and, the outside swing joint of commentaries on classics board 8 has ratchet 9, and the top fixedly connected with frid 10 of ratchet 9, the draw-in groove has been seted up on the surface of frid 10, and the outside swing joint of its draw-in groove has the cardboard, and logical groove has been seted up on the surface of cardboard.

A movable block 11 is movably connected above the groove plate 10, a connecting rod is fixedly connected at the bottom of the movable block 11, the connecting rod is movably clamped in a through groove of a clamping plate at the outer side of the groove plate 10, a sliding block is movably connected at the bottom of the connecting rod, the sliding block is movably clamped in a through groove of a vertical rod of the rotating plate 8, a clamping column is fixedly connected at the outer side of the sliding block and movably clamped in an isosceles triangle-shaped channel at the inner wall of the shell 1, a movable block 12 is movably connected above the movable block 11, a fixed plate is fixedly connected at the bottom of the movable block 12, a through groove is formed in the fixed plate, the size of the through groove is matched with that of the movable block 11, the movable block 12 is in an inverted isosceles trapezoid shape, two springs with the same size are movably connected at the top of the movable block, one side of the spring, which is far away from, the sliding frame 13 is in an inverted concave shape, side plates on two sides of the sliding frame are in a splayed shape, the movable block 12 has a limiting effect, a clamping groove is formed in the surface of the inner wall of the shell 1 at the top of the sliding frame 13, the sliding frame 13 is movably clamped in the clamping groove, the left side of the sliding frame 13 is movably connected with a spring, and one side, far away from the sliding frame 13, of the spring is movably connected with the left wall of the shell 1.

The working process and the principle of the device are as follows:

when the pencil sharpener is used, a pencil is inserted into the through hole of the shell 1, the pencil is close to the left inclined surface of the movable block 12, the movable block 12 is pushed to move upwards and extrude the spring at the top of the movable block 12, the pencil is clamped between the movable block 12 and the fixed plate, the brake rod 6 is pulled rightwards and then released, the brake rod 6 stretches the spring at the outer side of the brake rod to reset by the spring, in the process, the cross rod of the brake rod 6 is far away from the clamping rod 7, the blockage on the clamping rod 7 is relieved, the clamping rod 7 is acted by the outer side spring sheet of the vertical rod and rotates anticlockwise by taking the joint of the clamping rod and the inclined rod of the rotating plate 8 as a rotating point, the vertical rod of the clamping rod 7 rotates to be close to the ratchet wheel 9 and the movable clamp is clamped between the ratchets of the ratchet wheel 9, the ratchet wheel 9 drives the rotating plate 8 to rotate through the clamping rod 7, the subsequent, the cross bar of the clamping bar 7 is blocked by the cross bar of the brake bar 6, so that the rotation of the cross bar is far away from the ratchet wheel 9, the rotating plate 8 does not rotate any more, and the rotating plate 8 is caused to rotate intermittently.

When the rotating plate 8 rotates, because the sliding block of the connecting rod at the bottom of the moving block 11 is movably clamped in the through groove of the vertical rod of the rotating plate 8, the clamping column at the outer side of the sliding block is movably clamped in the isosceles triangular channel of the inner wall of the shell 1, the rotating plate 8 rotates and simultaneously drives the sliding block at the outer side of the connecting rod to move upwards from the lowest point of the isosceles triangular channel of the inner wall of the shell 1 to the upper transverse groove along the left inclined groove thereof, the connecting rod pulls the clamping plate at the outer side of the connecting rod to move leftwards and upwards in the clamping groove of the groove plate 10, the moving block 11 moves synchronously to move to the left side of the pencil and cling to the pencil, the rotating plate 8 continues to rotate and drives the sliding block to move rightwards along the upper channel of the isosceles triangular channel of the inner wall of the shell 1, the connecting rod is positioned at the highest, the movable block 11 drives the pencil, the movable block 12 and the sliding frame 13 to integrally move rightwards while moving, the subsequent rotating plate 8 drives the sliding block to move away from an upper channel of an isosceles triangle channel on the inner wall of the shell 1, the sliding block moves into the right chute and moves downwards along the right chute, the connecting rod synchronously moves downwards and moves leftwards, and the movable block 11 synchronously moves to complete the propelling action on the pencil.

Meanwhile, the rotating plate 8 drives the rotating disc 5 to rotate through the pull rope, four supporting rods on the outer side of the rotating disc 5 move synchronously and are close to the rotating column 4 in sequence, the rotating column 4 is driven to rotate by moving in two chutes of the rotating column 4 in turn, and the rolling knife 3 also rotates synchronously to roll and sharpen the pencil.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pencil sharpener for stationery items comprising a housing (1), characterized in that: the inner movable connection of the shell (1) is provided with a waste material box (2), the upper movable connection of the waste material box (2) is provided with a rolling cutter (3), the outer side of the rolling cutter (3) is connected with a rotary column (4) in a specified mode, the lower portion of the rotary column (4) is connected with a rotary disc (5) in a movable mode, the inner movable connection of the shell (1) is provided with a brake rod (6), the right side of the brake rod (6) is movably connected with a clamping rod (7), the outer side of the clamping rod (7) is movably connected with a rotary plate (8), the outer side of the rotary plate (8) is movably connected with a ratchet (9), the upper portion of the ratchet (9) is fixedly connected with a groove plate (10), the upper portion of the groove plate (10) is movably connected with a movable block (11), the upper portion of the movable.

2. A sharpener for stationery items as claimed in claim 1 wherein: the through-hole has been seted up on the surface of shell (1) left wall, and the mouth of placing has been seted up on the surface of shell (1), and the top fixedly connected with material way of waste material box (2), the top swing joint that the material was said has book sword (3).

3. A sharpener for stationery items as claimed in claim 1 wherein: two chutes with the same size are formed in the surface of the rotary column (4), and four supporting rods with the same size are fixedly connected to the outer side of the rotary disc (5).

4. A sharpener for stationery items as claimed in claim 1 wherein: the brake rod (6) is in an inverted T shape, the outer side of the outer shell (1) on the outer side of the vertical rod of the brake rod is fixedly connected with a limiting pipe on the outer side of the cross rod, the outer side of the limiting pipe is movably connected with a spring, and one side, away from the limiting pipe, of the spring is movably connected with the cross rod.

5. A sharpener for stationery items as claimed in claim 1 wherein: the clamping rod (7) is inverted L-shaped, the outer side of the vertical rod of the clamping rod is movably connected with an elastic sheet, the rotating plate (8) is inverted V-shaped, the surface of the vertical rod of the clamping rod is provided with a through groove, the outer side of the rotating plate (8) is movably connected with a pull rope, and one side of the pull rope, far away from the rotating plate (8), is movably connected with the rotating disc (5).

6. A sharpener for stationery items as claimed in claim 1 wherein: the surface of frid (10) has been seted up the draw-in groove, and the outside swing joint of its draw-in groove has the cardboard, and logical groove has been seted up on the surface of cardboard, and the bottom fixedly connected with connecting rod of movable block (11), the bottom swing joint of connecting rod have the slider, and the slider activity card is in the logical inslot of commentaries on classics board (8) montant.

7. A sharpener for stationery items as claimed in claim 1 wherein: the bottom of the movable block (12) is fixedly connected with a fixed plate, the movable block (12) is in an inverted isosceles trapezoid shape, the top of the movable block is movably connected with two springs with the same size, and the sliding frame (13) is in an inverted concave shape.