CN213108808U

CN213108808U - Pencil feeding device and pencil sharpener

Info

Publication number: CN213108808U
Application number: CN202021853034.2U
Authority: CN
Inventors: 陈维成
Original assignee: Yiwu Dingbang Stationery And Sporting Goods Co ltd
Current assignee: Yiwu Dingbang Stationery And Sporting Goods Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a pencil feeding device and a pencil sharpener, which comprises a bracket, a poking disc and a clamping component arranged at the front side of the bracket, wherein the bracket comprises an annular chassis with a mounting hole at the center and two groups of clamping parts at the front side of the bracket; the poking disc is in transmission fit with the pen clamping transmission assembly more tightly under the elastic action of the elastic element; the annular chassis trailing flank seals and falls into between the driving disk and the double-layered pen drive assembly with the stroke bits that produce when avoiding the mechanism of penning to cut the pencil, prevents both transmission in-process and skids, further improves the transmission stability of driving disk and double-layered pen drive assembly.

Description

Pencil feeding device and pencil sharpener

Technical Field

The utility model relates to a tool for cutting pencils, in particular to a pencil feeding device of a pencil sharpener.

Background

A pencil sharpener is a common office supply and comprises a manual pencil sharpener and an electric pencil sharpener.

The automatic pencil feeding and sharpening machine comprises a pencil feeding device, and the pencil feeding device is used for driving a pencil to move towards the direction of the hob assembly when a handle is shaken.

If the authorization notice number is CN203623250U, the pencil feeding device of the automatic pencil sharpener comprises a support and a toggle mechanism, wherein the toggle mechanism comprises a toggle wheel, a gear shaft and a gear arranged on the gear shaft, the gear is a straight gear, racks are uniformly and continuously distributed on the inner side surface of the toggle wheel, and the toggle wheel is meshed with the straight gear.

The pencil feeding device of the pencil sharpener with the authorization notice number of CN205112787U comprises a support and two groups of supporting components arranged on the support, wherein each group of supporting components is provided with a gear shaft and a transmission component sleeved on the gear shaft.

The existing support comprises a chassis for placing a poking wheel and two groups of clamping parts positioned at two sides of the chassis, at least one elastic sheet for enabling the poking wheel to be in tight contact with a straight gear is integrally arranged on the chassis, a hollowed-out gap is formed in the chassis at the lower side of the elastic sheet, carbon powder generated by cutting of a pencil sharpening mechanism at the rear end of the support can enter a poking mechanism at the front end of the support through the hollowed-out gap when the pencil sharpener works, the carbon powder is attached to the upper surface of the poking wheel, a gear and an idler wheel, and the idler wheel is easy to slip relative to the poking mechanism or a pencil is easy to slip relative to a pencil feeding wheel due to the lubricating effect; thereby affecting the normal pencil sharpening.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device is advanced that the carbon dust of avoiding cutting a production enters into the support front side from the fretwork clearance of support rear side is provided, further provide a machine of cutting a device that has above-mentioned pen.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: advance a device, its characterized in that includes the support, dials the dish and installs in the centre gripping subassembly of support front side, the support include that the center has the annular chassis of mounting hole and two sets of clamping parts of support front side, the centre gripping subassembly include two can form the double-layered pen drive assembly who presss from both sides a hole, double-layered pen drive assembly install the clamping part on, the leading flank on annular chassis be equipped with at least one and dial the elastic component of dish back contact, the trailing flank on annular chassis be enclosed construction.

The utility model discloses further preferred technical scheme does: the poking disc comprises a disc body positioned on the front side of the annular chassis and a connecting piece protruding backwards and arranged on the rear side of the disc body, the connecting piece is used for connecting the end part of the tool rest, the connecting piece extends into the mounting hole, and the disc body can be kept in close contact with the pen clamping transmission assembly due to the elasticity of the elastic piece.

The utility model discloses further preferred technical scheme does: the elastic piece is integrally formed on the front surface of the annular chassis.

The utility model discloses further preferred technical scheme does: the front surface of the annular chassis is provided with an annular groove, the elastic piece is integrally formed on the annular body in an injection molding mode, and the annular body is arranged in the annular groove.

The utility model discloses further preferred technical scheme does: the pen clamping transmission assembly comprises a rotating shaft, a gear and pen clamping wheels, the gear and the pen clamping wheels are sleeved on the rotating shaft and keep synchronous rotation, a pen clamping hole is formed by the two pen clamping wheels, and the gear is matched with the insections on the front surface of the poking disc.

The utility model discloses further preferred technical scheme does: the annular body at the position of the elastic piece is provided with a hollow gap.

The utility model discloses further preferred technical scheme does: the number of the elastic pieces is 3-5.

The utility model discloses further preferred technical scheme does: the hollow-out gap is provided with a bent elastic piece, one end of the elastic piece is connected to the annular body, the other end of the elastic piece is a free end, and the elastic piece can float up and down in the hollow-out gap.

The utility model discloses further preferred technical scheme does: the bracket is molded by plastic.

Another preferred subject is: the pencil sharpener comprises the pencil feeding device.

Compared with the prior art, the utility model has the advantages that the front side surface of the pen feeding device is provided with the elastic part which is contacted with the back surface of the poking disc, and the poking disc is more closely matched with the pen clamping transmission component under the elastic action of the elastic part; in addition, the annular chassis trailing flank seals and falls into between the stirring dish and the pencil clamping transmission subassembly in order to avoid the pencil bits that produce when the mechanism of penning cuts the pencil, prevents both transmission in-process and skids, further improves the transmission stability of stirring dish and pencil clamping transmission subassembly.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a cross-sectional view of a pencil sharpener of this embodiment;

FIG. 2 is an exploded view of the pencil sharpener of this embodiment;

FIG. 3 is a schematic view showing the pen feeding device mounted on the fixing plate;

FIG. 4 is a first schematic view of the overall structure of the pen feeding device;

FIG. 5 is a schematic view of the overall structure of the pen feeding device;

FIG. 6 is an exploded view of the pen feeding device of the present embodiment;

fig. 7 is a schematic structural diagram of the annular body in the present embodiment.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

As shown in fig. 1, the pencil sharpener 200 comprises a pencil feeding device 100, a pencil sharpening mechanism 300 and a rocking handle assembly 201 installed at one end of the pencil sharpening mechanism 300, wherein the pencil feeding device 100 is installed at the front end of the pencil sharpening mechanism 300; specifically, the sharpening mechanism 300 in this embodiment includes a tool holder 301 and a hob 302 journalled on the tool holder 301.

The dust collecting box 202 is installed below the pencil sharpening mechanism 300 in a drawing manner, and the pencil dust generated after the pencil is cut by the hob 302 falls into the dust collecting box 202. And when the pencil sharpener 100 is placed on the operating platform, the bottom surface of the chip collecting box 202 is a supporting surface to support the pencil sharpener. Thus, preferably, a non-slip member is secured to the support surface to stabilize the pencil sharpener 200 during sharpening.

The pencil sharpener 200 includes front and rear housings, which are fixed by a snap-fit structure.

The present embodiment mainly describes the pen feeding device 100 on the pencil sharpener 200 in detail as follows:

as shown in fig. 2 to 6, the pen feeding device 100 includes a support 10, a dial 20 and a clamping assembly 30 installed on the front side of the support 10, the support 10 includes an annular chassis 12 having a mounting hole 11 in the center and two sets of clamping portions 40 on the front side of the support 10, the clamping assembly 40 includes two pen clamping transmission assemblies 41 capable of forming a pen clamping hole 42, the pen clamping transmission assemblies 41 are installed on the clamping portions 40, an elastic member f contacting with the back of the dial 20 is disposed on the front side of the annular chassis 12, and the back side of the annular chassis 12 is a closed structure.

The elastic element f contacting with the back of the toggle disc 20 is arranged on the front side surface of the pen feeding device 100, and the transmission fit between the toggle disc 20 and the pen clamping transmission assembly 41 is tighter under the elastic force action of the elastic element f; in addition, the rear side of the annular chassis 12 is closed to prevent the pencil scraps generated by the pencil sharpening mechanism 300 during pencil sharpening from falling between the dial plate 20 and the pencil clamping transmission assembly 41, so as to prevent the pencil scraps from slipping in the transmission process of the dial plate 20 and the pencil clamping transmission assembly 41, and further improve the transmission stability of the dial plate 20 and the pencil clamping transmission assembly 41.

More specifically, the toggle plate 20 in this embodiment includes a plate body 22 located on the front side of the annular base plate 12 and a coupling member 21 protruding backward on the rear side of the plate body 22, the coupling member 21 is used for connecting the end of the tool holder 301, the coupling member 21 extends into the mounting hole 11, and the elasticity of the elastic member f can keep the plate body 22 in close contact with the pen clamping transmission assembly 41.

It should be noted that the elastic member f in this embodiment may be integrally formed on the front surface of the annular chassis 12, and the elastic force of the elastic member f makes the driving fit between the dial 20 and the pen clamping driving assembly 41 tighter.

It is of course more preferable that, as shown in fig. 6 and 7, the annular base plate 12 is provided at the front surface thereof with an annular groove 12h, the elastic member f is integrally injection-molded on the annular body 60, and the annular body 60 is disposed in the annular groove 12 h. By this means, the annular body 60 can be replaced individually.

The pen clamping transmission assembly 41 comprises a rotating shaft 01, a gear 02 and a pen clamping wheel 03, the gear 02 and the pen clamping wheel 03 are sleeved on the rotating shaft 01 and keep synchronous rotation, a pen clamping hole 42 is formed by the two pen clamping wheels 03, and the gear 02 is matched with the insections g on the front surface of the toggle plate 20.

The annular body 60 at the position of the elastic element f has a hollow gap n. The elastic element f elastically moves inside and outside the hollow gap n of the annular body 60.

Preferably, the number of elastic elements f is between 3 and 5 and is uniformly distributed annularly on the annular body 60.

In the practical application process, a bent elastic element f is arranged in the hollow-out gap n, one end of the elastic element f is connected to the annular body 60, the other end of the elastic element f is a free end, and the elastic element f can float up and down in the hollow-out gap n.

Preferably, the support 10 and the annular body 60 in this embodiment are preferably formed from a lightweight plastic material.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

It is right above the utility model provides an advance a device and a penknife and introduced in detail, it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment is only used for helping the assistant the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The pen feeding device is characterized by comprising a support, a poking disc and a clamping assembly arranged on the front side of the support, wherein the support comprises an annular base plate with a mounting hole in the center and two groups of clamping parts on the front side of the support; the front surface of the annular chassis is provided with an annular groove, the elastic piece is integrally molded on an annular body in an injection molding mode, and the annular body is arranged in the annular groove; the annular body at the position of the elastic piece is provided with a hollow gap.

2. The pen feeding device according to claim 1, wherein the toggle plate comprises a plate body located at the front side of the annular base plate and a rearwardly protruding coupling member located at the rear side of the plate body, the coupling member is used for connecting the end of the tool holder, the coupling member extends into the mounting hole, and the elasticity of the elastic member can keep the plate body in close contact with the pen clamping transmission assembly.

3. The pen feeding device according to claim 1, wherein the pen clamping transmission assembly comprises a rotating shaft, a gear and a pen clamping wheel, the gear and the pen clamping wheel are sleeved on the rotating shaft and keep rotating synchronously, the pen clamping hole is formed by the two pen clamping wheels, and the gear is matched with the insections on the front surface of the toggle plate.

4. The pen feeding device according to claim 1, wherein the number of the elastic members is 3-5.

5. The pen feeding device according to claim 1, wherein a curved elastic member is disposed in the hollow gap, one end of the elastic member is connected to the annular body, the other end of the elastic member is a free end, and the elastic member can float up and down in the hollow gap.

6. The pen feeding device as claimed in claim 1, wherein said holder is molded from plastic.

7. A pencil sharpener, characterized in that it comprises a pencil feeding device as claimed in any one of claims 1 to 6.