CN216033442U

CN216033442U - Pencil point thickness adjusting structure and electric pencil sharpener

Info

Publication number: CN216033442U
Application number: CN202121910468.6U
Authority: CN
Inventors: 陈绍良; 梁继武; 熊辉雄
Original assignee: Guangzhou Eagle Technology Development Co ltd
Current assignee: Guangzhou Eagle Technology Development Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-15
Anticipated expiration: 2031-08-13

Abstract

The application discloses structure and electronic ware of cutting of nib thickness are adjusted, and this nib thickness is adjusted the structure and is included: the tool rest is provided with a frustum-shaped pen cavity, a pen sharpening port formed in the side face of the pen cavity, a pen point port positioned at the tip of the pen cavity and communicated with the pen sharpening port, and a sliding rail extending outside the pen point port; the blade is tightly attached to the pen point, extends to the outer side of the pen point opening and is parallel to the sliding rail; the sliding block is butted with the pen point opening and is arranged close to the blade in a moving mode along the sliding rail; the ejector rod is inserted into the tool rest to move and abut against the sliding block; and the adjusting knob is rotatably arranged and can jack up the ejector rod to drive the sliding block to be close to the pen point opening. The pen point thickness adjusting structure can directly rotate to adjust the thickness of the pen point, simplifies production procedures, effectively reduces the number of parts and achieves the purpose of reducing cost.

Description

Pencil point thickness adjusting structure and electric pencil sharpener

Technical Field

The utility model relates to the technical field of office stationery, in particular to a pencil point thickness adjusting structure and an electric pencil sharpener.

Background

The common electric pencil sharpener for office stationery is generally divided into two types of hob and blade according to a cutting mode, and is particularly refined to some characteristic functions, and the common electric pencil sharpener comprises a block with adjustable pencil point thickness. Although a plurality of pencil sharpeners capable of adjusting the thickness of the pencil point are available in the market, the structure of the pencil sharpeners is relatively complex, and the cost is not reduced.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

The utility model aims to provide a pen point thickness adjusting structure which can directly rotate to adjust the pen point thickness, simplify the production process, effectively reduce the number of parts and achieve the aim of reducing the cost.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the following technical scheme to provide:

a structure for adjusting the thickness of a pen point comprises a knife rest, a pen point adjusting mechanism and a pen point adjusting mechanism, wherein the knife rest is provided with a frustum-shaped pen cavity, a pen point opening formed in the side surface of the pen cavity, a pen point opening positioned at the tip end of the pen cavity and communicated with the pen point opening, and a slide rail extending outside the pen point opening; the blade is tightly attached to the pen point, extends to the outer side of the pen point opening and is parallel to the sliding rail; the sliding block is butted with the pen point opening and is arranged close to the blade in a moving mode along the sliding rail; the ejector rod is inserted into the tool rest to move and abut against the sliding block; and the adjusting knob is rotatably arranged and can jack up the ejector rod to drive the sliding block to be close to the pen point opening.

This design's nib thickness adjustment structure, utilize knob regulation and ejector pin to set up the matching inclined plane of the same angle and with both diagonal angle assemblies, through controlling rotatory knob regulation, make the ejector pin activity from top to bottom, move about from top to bottom by ejector pin drive sliding block, in order to make the sliding block be close to or keep away from a nib mouth, thereby realize adjusting nib thickness function, keep away from a nib mouth when the sliding block then nib is thin, be close to a nib mouth when the sliding block then nib is thick, this structure has simple structure, low cost's characteristics in like product relatively.

In some embodiments, a first inclined surface is arranged at the bottom of the ejector rod, and a second inclined surface matched and abutted against the first inclined surface is arranged at one end of the adjusting knob.

In some embodiments, one end of the sliding block is provided with a sliding part matched with the sliding rail, one side of the sliding part is provided with an adjusting groove, and the adjusting groove is arranged opposite to the nib opening and is positioned on one side of the knife edge; the other end of the sliding block is provided with a plug pin part abutted to the ejector rod, the top of the plug pin part is provided with a sliding groove used for butt joint of the blade, and the sliding groove is communicated with the adjusting groove.

An electric sharpener comprising: the pen tip thickness adjusting structure of any one of the above embodiments; and the machine body is used for accommodating the pen point thickness adjusting structure and allowing the other end of the adjusting knob to extend out.

This design's electronic ware of cutting a pencil utilizes knob regulation and ejector pin to set up the matching inclined plane of the same angle and with both diagonal angle assemblies, through controlling the knob regulation of rotatory installation on the fuselage, makes the ejector pin activity from top to bottom, by ejector pin drive sliding block activity from top to bottom, impels the sliding block to be close to or keep away from the nib mouth to realize adjusting nib thickness function. Therefore, when the sliding block is far away from the pen point opening, the pen point is thin, and when the sliding block is close to the pen point opening, the pen point is thick.

In some embodiments, further comprising: the gear lower cover is used for the ejector rod to penetrate through, and an elastic switch is arranged at a position deviating from the ejector rod; the cutter rest gear is sleeved on the outer side of the ejector rod and can be movably connected between the gear lower cover and the cutter rest up and down; the contact block is sleeved on the tool rest gear, is positioned between the tool rest gear and the gear lower cover, and can penetrate through the gear lower cover to move and abut against the elastic switch; and the gear upper cover is sleeved on the tool rest gear to cover the gear lower cover.

In some embodiments, the touch block comprises: the gear rack comprises a contact plate sleeved at the bottom of the gear rack and a contact pin far away from the center of the contact plate and butted with the elastic switch, and the gear upper cover is provided with a limiting part which can be inserted into the top of the contact pin.

In some embodiments, the resilient switch is configured as a four-prong flat foot switch.

In some embodiments, the method comprises: the rotary cover is arranged at the top of the machine body; and the bottom cover covers the bottom of the machine body, and an opening for the other end of the adjusting knob to extend out is formed in the side face of the bottom cover.

In some embodiments, the method comprises: the driving motor is connected with the elastic switch and is arranged in the machine body to be meshed with the cutter rest gear for transmission so as to drive the cutter rest to rotate; and the power supply assembly is used for connecting the driving motor and the elastic switch and supplying power to the driving motor.

In some embodiments, the power supply assembly includes a battery assembly and/or a socket assembly.

Drawings

FIG. 1 is a schematic structural diagram of a pen tip thickness adjusting structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the mounting structure of the tool holder according to one embodiment of the utility model;

FIG. 3 is an exploded view of an electric pencil sharpener according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a slider according to an embodiment of the present invention;

FIG. 5 is a schematic view of the mounting structure of the slider according to an embodiment of the present invention;

fig. 6 is a schematic view of an installation structure of the touch block according to an embodiment of the present invention.

Reference numerals:

1. a tool holder; 11. a pen chamber; 12. inserting a pen mouth; 13. a nib opening; 14. cutting a pen mouth; 15. a slide rail; 16. a blade; 2. a slider; 21. a sliding part; 22. an adjustment groove; 23. a plug pin portion; 24. a chute; 3. a top rod; 31. a first inclined plane; 4. adjusting a knob; 41. a second inclined plane; 42. adjusting teeth; 5. an upper cover of the gear; 51. an upper movable hole; 52. a positioning part; 6. a gear lower cover; 61. a lower movable hole; 62. touching the hole; 7. a tool holder gear; 8. a touch block; 81. a touch plate; 82. touching the foot; 9. an elastic switch; 10. a body; 101. screwing a cover; 102. a bottom cover; 1021. an opening; 103. a drive motor; 104. a gear assembly; 105. a battery assembly; 106. a receptacle assembly.

Detailed Description

The technical scheme and the beneficial effects of the utility model are clearer and clearer by further describing the specific embodiment of the utility model with the accompanying drawings of the specification.

Pen point thickness adjusting structure

Referring to fig. 1-6, a pen tip thickness adjusting structure of the present embodiment includes: knife rest 1, blade 16, sliding block 2, ejector pin 3, adjust knob 4. Wherein, be provided with frustum shape chamber 11 on the knife rest 1, the one end of frustum shape chamber 11 is the butt, and this butt is provided with the pen socket 12 that supplies the pencil to insert, and the other end of frustum shape chamber 11 is the pointed end, and this pointed end is provided with nib mouth 13. The side surface of the frustum-shaped pen cavity 11 is provided with a pen sharpening port 14, and the pen sharpening port 14 is communicated with the pen point port 13. Outside the frustum-shaped pen cavity 11, a slide rail 15 is provided, and the slide rail 15 extends outside the pen tip opening 13. The knife rest 1 is provided with a blade 16, the blade 16 is tightly attached to the pencil sharpening opening 14 and extends to the outer side of the pencil point opening 13, and the blade 16 is arranged in parallel with the sliding rail 15. A slider 2 is mounted on the carriage 1 and abuts the nib 13, the slider 2 being movably disposed along a slide rail 15 against one side of the blade 16 so that the slider 2 can move along the slide rail 15 to be close to the nib 13. The ejector pin 3 is provided below the tool rest 1, and the ejector pin 3 is inserted into the tool rest 1 and is in movable contact with the slide block 2. The adjusting knob 4 can be rotationally arranged, the adjusting knob 4 is driven to rotate so as to jack up the ejector rod 3, and therefore the sliding block 2 is driven to be close to the pencil point opening 13, the thickness of a pencil lead extending out of the pencil point opening 13 by a pencil in the frustum-shaped pencil cavity 11 is adjustable, and the ingenious structure that a left rotating structure and a right rotating structure are directly converted into up-down movement is achieved.

As shown in fig. 1-6, in the present embodiment, the top of the top rod 3 is inserted into the tool holder 1, the bottom of the top rod 3 is provided with a first inclined surface 31, one end of the adjusting knob 4 is provided with a second inclined surface 41, the second inclined surface 41 is in abutting contact with the first inclined surface 31, and the other end of the adjusting knob 4 is provided with a plurality of adjusting teeth 42. Rotate adjust knob 4 along adjusting tooth 42, can drive second inclined plane 41 and remove along first inclined plane 31, because the inclined plane influence, adjust knob 4 can jack up ejector pin 3 when rotating and move up, and ejector pin 3 moves up the back and moves up and drive sliding block 2 and remove to being close to nib mouth 13 with sliding block 2 butt and drive sliding block 2 to the butt joint distance of adjustment sliding block 2 and nib mouth 13, this butt joint distance makes the refill thickness that stretches out nib mouth 13 adjustable.

Therefore, the knob adjustment and the ejector rod 3 are provided with the inclined planes with the same angle, when the inclined planes are adjusted through the knob which is arranged on the machine body 10 in a left-right rotating mode after the inclined planes are assembled, the ejector rod 3 moves up and down, the ejector rod 3 drives the sliding block 2 to move up and down, the function of adjusting the thickness of the pen point is achieved, the pen point is thin when the sliding block 2 is located at the bottom end and is far away from the pen point opening 13, and the pen point is thick when the sliding block 2 is located at the top end and is close to the pen point opening 13.

As shown in fig. 1, 2, 4 and 5, in the present embodiment, the slide block 2 is provided with a slide portion 21, an adjustment groove 22, a latch portion 23 and a slide groove 24. Specifically, the method comprises the following steps: one end of the sliding block 2 is provided with a sliding part 21 matched with the sliding rail 15, one side of the sliding part 21 is provided with an adjusting groove 22, and the adjusting groove 22 is arranged opposite to the pen point opening 13 and is positioned on one side of the knife edge; the other end of the sliding block 2 is provided with a plug pin part 23 which is abutted against the push rod 3, the top of the plug pin part 23 is provided with a sliding groove 24 which is used for butting the blade 16, the sliding groove 24 can avoid the blade 16 so as to enable the blade 16 to move up and down along the sliding groove 24, and the sliding groove 24 is communicated with the adjusting groove 22.

Electric pencil sharpener

Referring to fig. 1-6, an electric pencil sharpener of the present embodiment includes: the pen point thickness adjusting structure and the body 10 of any of the above embodiments. The pen point thickness adjusting structure is accommodated in the machine body 10, and the other end of the adjusting knob 4 extends out of the machine body 10 and is exposed outside the machine body 10, so that the pen point thickness adjusting structure is convenient for manual adjustment and use.

As shown in fig. 2-6, in the present embodiment, the electric pencil sharpener further comprises: gear lower cover 6, gear upper cover 5, knife rest gear 7, touch piece 8, elasticity switch 9. Wherein, the gear lower cover 6 is arranged above the adjusting knob 4, the mandril 3 passes through the gear lower cover 6, and the bottom of the gear lower cover 6 is provided with an elastic switch 9 deviating from the mandril 3, therefore, the elastic switch 9 is arranged at one side of the mandril 3 to deviate from the rotating central shaft of the tool rest gear 7, so that the elastic switch 9 realizes the eccentric design relative to the tool rest gear 7. The elastic switch 9 is used for electrically connecting the cutter frame gear 7 to rotate, when the cutter frame gear 7 is pressed by force to drive the touch block 8 to move downwards to touch the elastic switch 9, the machine is electrified to start working and pencil sharpening, after a pencil is sharpened, the pressure of the pencil is lifted up, the elastic switch 9 elastically pushes the touch block 8 and the cutter frame gear 7 apart by a certain distance through elasticity, and the machine stops working when power is off.

As shown in fig. 3 and 6, in the present embodiment, the gear lower cover 6 is provided with a lower movable hole 61 through which the bottom of the tool holder gear 7 passes, and a trigger hole 62 located on one side of the movable hole and abutting against the trigger block 8, and the ejector pin 3 passes through the movable hole and is inserted into the tool holder gear 7. The gear upper cover 5 is provided with an upper movable hole 51 through which the top of the blade holder gear 7 passes, and a positioning portion 52 located at one side of the upper movable hole 51 to insert the top of the touch leg 82.

As shown in fig. 1 and 6, in the present embodiment, the touch block 8 includes: a touch plate 81 and a touch foot 82. The touch plate 81 is sleeved at the bottom of the knife rest gear 7, one side of the touch plate 81 is connected with a touch pin 82, the touch pin 82 is far away from the center of the touch plate 81 to deviate from the knife rest gear 7, the touch pin 82 is positioned above the elastic switch 9 to be capable of moving and abutting against the elastic switch 9, the gear upper cover 5 is provided with a limiting part capable of being inserted into the top of the touch pin 82, and the limiting part can limit the touch pin 82 to deviate from the elastic switch 9 when moving up and down above the elastic switch 9 to influence the power connection effect.

Specifically, in this embodiment, the elastic switch 9 is configured as a four-pin flat switch. Therefore, when the knife rest gear 7 is pressed to press the contact block 8 to move downwards to touch the four-foot flat foot switch, the machine starts to work and cut pencils when powered on, the pressure of the lifted pencils is eliminated after the pencils are cut, the four-foot flat foot switch bounces the contact block 8 and the knife rest gear 7 for a certain distance through elasticity, and the machine stops working when powered off. In order to adjust the thickness of the pen point, generally speaking, the switch cannot be arranged on the rotating central shaft of the cutter frame gear 7, and therefore the four-pin flat-foot switch must be designed eccentrically, the structure makes full use of the elasticity of the four-pin flat-foot switch to directly reset and power off, a spring is not required to be added for resetting, the structural design is optimized, the eccentric core springback-free design is realized, parts are reduced, the assembly process is simplified, and the product cost can be reduced.

As shown in fig. 3, in the present embodiment, the top of the body 10 covers the screw cap 101, the bottom of the body 10 covers the bottom cap 102, the bottom cap 102 can support the adjusting knob 4 in a sleeved or clamped manner, one side of the bottom cap 102 is provided with an opening 1021, one end of the adjusting knob 4 is provided with the second inclined surface 41, and the other end of the adjusting knob 4 extends out of the opening 1021 of the bottom cap 102 and is exposed outside the body 10, so as to facilitate manual adjustment. Specifically, the method comprises the following steps: as shown in figures 1 and 2, a pencil is inserted into a frustum-shaped pencil cavity 11 of a tool rest 1, the tool rest 1 presses a movable contact block 8 to move downwards under stress to touch a four-pin flat-foot switch, a machine is electrified to start working and pencil sharpening, the tool rest 1 drives a blade 16 to shave the pencil under the operation of a certain speed, the shape of the tip of the lead shaved by the pencil is conical, the thickness of the shaving sawdust is less than or equal to 0.3mm, a rotary cover 101 is rotated to a position in a clockwise direction to lock, and the pencil sharpener can be opened by rotating in a counterclockwise direction to pour the sawdust or replace a tool rest 1 component.

As shown in fig. 2 and 3, in the present embodiment, the electric pencil sharpener includes: a drive motor 103 and a power supply assembly. Wherein, the driving motor 103 is connected with the elastic switch 9, and the driving motor 103 is arranged in the machine body 10 and is meshed with the knife rest gear 7 through the gear assembly 104 to drive the knife rest 1 to rotate. The power supply assembly is used for connecting the driving motor 103 and the elastic switch 9 so as to supply power to the driving motor 103 under the control of the elastic switch 9. Specifically, the power supply assembly includes a battery assembly 105 and/or a receptacle assembly 106. The battery assembly 105 can be powered by a portable battery, the socket assembly 106 can be powered by a USB-to-3.5 DC power line, multiple power connection modes are achieved, convenience is brought to users, and the applicability is wide.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A structure is adjusted to nib thickness, its characterized in that includes:

the tool rest is provided with a frustum-shaped pen cavity, a pen sharpening port formed in the side face of the pen cavity, a pen point port positioned at the tip of the pen cavity and communicated with the pen sharpening port, and a sliding rail extending outside the pen point port;

the blade is tightly attached to the pen point, extends to the outer side of the pen point opening and is parallel to the sliding rail;

the sliding block is butted with the pen point opening and is arranged close to the blade in a moving mode along the sliding rail;

the ejector rod is inserted into the tool rest to move and abut against the sliding block;

and the adjusting knob is rotatably arranged and can jack up the ejector rod to drive the sliding block to be close to the pen point opening.

2. The pen tip thickness adjusting structure of claim 1, wherein:

the bottom of the ejector rod is provided with a first inclined plane, and one end of the adjusting knob is provided with a second inclined plane matched and abutted with the first inclined plane.

3. The pen tip thickness adjusting structure of claim 1, wherein:

the sliding block is provided with a sliding part matched with the sliding rail, and one side of the sliding part is provided with an adjusting groove opposite to the nib opening, a plug pin part abutted against the ejector rod and a sliding groove for butting the blade.

4. An electric pencil sharpener, comprising:

the nib thickness-adjustment structure of any one of claims 1 to 3;

and the machine body is used for accommodating the pen point thickness adjusting structure and allowing the other end of the adjusting knob to extend out.

5. The electric sharpener of claim 4 further comprising:

the gear lower cover is used for the ejector rod to penetrate through, and an elastic switch is arranged at a position deviating from the ejector rod;

the cutter rest gear is sleeved on the outer side of the ejector rod and can be movably connected between the gear lower cover and the cutter rest up and down;

the contact block is sleeved on the tool rest gear, is positioned between the tool rest gear and the gear lower cover, and can penetrate through the gear lower cover to move and abut against the elastic switch;

and the gear upper cover is sleeved on the tool rest gear to cover the gear lower cover.

6. The electric sharpener of claim 5, wherein:

the touch block includes: the gear rack comprises a contact plate sleeved at the bottom of the gear rack and a contact pin far away from the center of the contact plate and butted with the elastic switch, and the gear upper cover is provided with a limiting part which can be inserted into the top of the contact pin.

7. The electric sharpener of claim 5, wherein:

the elastic switch is a four-pin flat switch.

8. The electric sharpener of claim 5, wherein:

the rotary cover is arranged at the top of the machine body;

and the bottom cover covers the bottom of the machine body, and an opening for the other end of the adjusting knob to extend out is formed in the side face of the bottom cover.

9. The electric sharpener of claim 5, comprising:

the driving motor is electrically connected with the elastic switch and is arranged in the machine body to be meshed with the cutter rest gear for transmission so as to drive the cutter rest to rotate;

and the power supply assembly is used for connecting the driving motor and the elastic switch and supplying power to the driving motor.