TWM450494U - Electrical pencil sharpener - Google Patents

Description

Electric pencil sharpener

This creation is a technical field involving the electric sharpening of pencils in office supplies, especially an electric pencil sharpener.

According to the method of pencil sharpening, it has been developed from the previous cutting blade to the manual rotary pencil machine. It has been an electric rotary cutting machine until now; the electric pencil sharpener has the advantages of a replaceable tool, such as the national certificate number I332907. The invention relates to an electric pencil sharpener for replacing a tool (hereinafter referred to as a reference for reference), which is provided with a tool holder group which is driven by a driving device and can rotate relative to the body, and is provided with a detachable switch. The cutter module of the tool holder group is further provided with a hole cover disposed on the body, and a transmission device for rotating the tool is arranged between the hole cover and the tool module, so that the worn tool module is conveniently attached to the body after the tool is worn. Replace.

The citation reference provides the tool change function, which really improves the practicability of the pencil sharpener. However, there is a problem. The citation reference system adopts a front drive structure, the drive device is mounted on the linkage post at the front end of the tool holder group, and the pencil inlet is It is disposed inside the linkage column, and the tool holder group starts to install the tool module in the space formed by the connecting rod behind the linkage column, so that the tool module and the pencil insertion hole have a long distance, and the distance includes the linkage column. The axial length and the length of the front side of the drive unit, so that the length of the pencil pen to be turned must be significantly longer than the distance of the pencil pen end to extend into the tool module. Rotary cutting in the knife seat; if the length of the pen is less than the distance of the pen, it cannot enter the tool holder for turning, which seriously wastes the utilization rate of the pen.

In view of the above problems, the creator further studies and develops. Therefore, the main purpose of the present invention is to provide an electric pencil sharpener which is capable of changing a tool module and an adjacent pencil jack under the function of replacing a tool. This makes the shorter pencils suitable for the life of the pencils; the guiding function of the quick-guide assembly on the tool module, and the chip design that accelerates the concentration of pencil dust.

In order to achieve the foregoing objectives, the technical means employed in the present invention is to provide an electric pencil sharpener comprising: a body having a detachable end cap at the front end thereof, and a pencil set at the center of the end cap a pencil socket, the bottom side of the body is provided with a chip collecting portion; a cutter module is mounted in the body and adjacent to the end cover, and comprises a knife seat, a cutter and two guiding members, wherein the knife seat is rotatably Supporting the end cover and communicating with the pencil socket, the cutter is adjacent to the knife seat, the knife seat is provided with a guiding member on the outer side of the front and rear ends, and a guiding member is disposed on the side of the guiding member at the rear end Leading debris enters the chip guide portion of the chip collecting portion; a driving device is mounted on the body behind the end cover, including a a seat body, a motor, an actuating rod, a gear base, the motor engages the actuating rod, the actuating rod connects and drives the cutter module; a partition is located between the driving device and the cutter module, and is fixed At a boundary between the pocket of the lower cover and the chip collecting portion, the partition extends axially toward the side of the cutter module with an arcuate surface oriented ring piece, and the oriented ring piece is wrapped around the periphery of the guide member of the cutter module. The tool module is provided for quick guidance and accurate assembly with the drive unit.

Therefore, according to the technical means of this creation, a brief description of the functions that can be obtained by this creation is as follows:

1. The end cover and the cutter module of the creation are all set on the front end surface of the pencil sharpener. The cutter module and the pencil socket are in direct line communication, which can allow the pencil of the short pen to enter the knife seat directly from the pencil socket. The additional components are separated and the drive is placed at the rear end of the pencil sharpener, thus increasing the life of the pencil and avoiding unnecessary waste.

2. The tool module of the present invention is provided with a guiding member, so that the tool module can be guided through the guiding surface and the disk surface of the orientation ring piece, so that the tool module can be quickly guided and accurately assembled with the driving device.

3. One end of the guide member of the present invention is provided with a chip guiding portion, so that the pencil shavings which are obtained by rotating the cutting tool module can be guided into the chip collecting portion along the curved surface of the guiding chip portion, so that the pencil dust is not transmitted. To the guide ring, which affects the smoothness of the tool module transmission.

4. This tool replaces the tool module in a simple and fast manner. It only needs to be unscrewed and pulled out of the end cover. The tool module can be directly extracted in front of the body without any tools, and the whole set is replaced together with the guide member.

The present invention relates to an electric pencil sharpener, as shown in the first figure, having a body (1) including a lower cover body (10) and an upper cover body (20) disposed on the lower cover body (10). The front end of the upper cover body (20) is provided with a detachable end cover (24), and a pencil socket (25) is arranged in the center of the end cover (24) for pencil insertion.

Please refer to the second, third and fourth figures. The upper and lower covers (20) and (10) are provided with a cutter module (30), an end cover (24) and a driving device (50). Wherein the rear side of the lower cover body (10) is provided with a receiving groove (11), and the front side is provided with a chip collecting portion (12) spaced apart from the space of the receiving groove (11); the opening of the upper cover body (20) faces downward, the front end The edge surface (21) is pierced with a set of holes (22), the sleeve hole (22) is provided with a notch groove (23) on the peripheral side, and a pencil socket (25) is disposed at the center of the end cover (24), and the end cover (24) a cover block (241) formed in an outwardly protruding shape at the cover edge and the corresponding notch groove (23), aligned into the notch groove (23) by the block (241), and rotating the end cover (24), rotating the block (241) into the notch groove (23), and engaging with the peripheral end of the notch groove (23), to prevent the end cover (24) from falling off from the upper cover (20) .

The tool module (30), as shown in the fourth, fifth, and sixth figures, comprises a tool holder (31), a tool (32), and two guiding members (40); wherein the tool holder (31) and the tool (32) The configuration and structure are not much different from the known technologies, so I will not repeat them here. The knife seat (31) has a conical tube for the pencil (70) to be inserted, and one end of the holder (31) rotates with the pencil socket (25) of the end cover (24) to enable the cutter (32) to rotate the pencil ( 70) a guide gear (33) is arranged at the end of the cutter (32), and a driven wheel (34) is arranged at an axial extension of the end of the cutter seat (31), and the driven wheel (34) is coupled with the driving device (50); The guiding members (40) are respectively sleeved on the front and the rear ends of the blade holder (31), and the guiding members (40) each comprise a ring piece (41) of about three-quarters of a curved surface, wherein the ring is utilized. The opening of the piece (41) is sleeved outside the seat (31) of the cutter module (30), and the open space allows the end edge of the cutter (32) to be exposed; wherein the guide at the rear end (40) The open end of the ring piece (41) is disposed at the end of the cutter (32), and one side of the ring piece (41) is formed with an arc-shaped protruding guide portion (42), thereby guiding the set of the burr into the set. The chip portion (12).

The driving device (50) includes a body (51), a motor (52), an operating rod (53), and a gear base (54) as shown in the fourth and sixth figures; wherein the seat body (51) The utility model has a corresponding clamping and covering shape, and an inner ring (512) is arranged on the inner side of the front seat body (511) above the seat body (51), and the motor (52) is provided with a driving wheel (521), the actuating rod (53) The first gear surface (531) and the second gear surface (532) are respectively disposed at two ends, and the first gear surface (531) is engaged with the driving wheel (521) of the motor (52) to receive the motor (52). The gear base (54) is provided with a planetary gear set (541) that can be rotated by the actuating lever (53), and a centrally axially projecting pin (542) is protruded from the gear base (54); The second gear surface (532) of the actuating lever (53) is meshed with the planetary gear set (541) of the gear carrier (54), and the planetary gear set (541) is rotated to actuate the internal teeth of the front seat body (511). The ring (512) is engaged with the driven wheel (34) of the cutter module (30) by the tilting pin (542), thereby driving the cutter module (30) to rotate.

A partition plate (60) is disposed between the gear base (54) and the cutter module (30), and is fixed at a boundary between the pocket (11) of the lower cover body (10) and the chip collecting portion (12). A rear through hole (61) is provided in the center of the end surface of the plate (60), and the rear through hole (61) is for supporting the driven pin (542) of the planetary gear set (541) and the driven wheel of the cutter module (30). (34) driving the drive, and thereby providing a support point for its rotation, the partition (60) axially extending toward the side of the cutter module (30) with an arcuate surface oriented ring (62), the oriented ring (62) The open side of the bottom side is a space area communicating with the chip collecting portion (12), and after the partition plate (60), a leading tooth ring of the inner ring tooth surface is provided at the front end edge of the through hole (61). The guide ring (63) is engaged by the guide gear (33) of the cutter (32), and the guide gear (33) is limited to rotate in the annular track in the guide ring (63), so that the cutter (32) can be The pencil (70) generates a turning action. Since the directional ring piece (62) is wrapped around the periphery of the cutter module (30), the cutter module (30) and the guide member (40) are rotated to actuate the directional ring piece ( 62) Next, the upper cover body (20) is covered on the gear base (54), the cutter module (30), and the end cover (24), and The cover (10) closing the top edge surface of the lid positioned, exposed end cap (24) end surfaces, first as shown in FIG.

Since the end cap (24) and the cutter module (30) of the present invention are both disposed on the front end surface of the pencil sharpener, that is, the seat (31) of the cutter module (30) is in line with the pencil socket (25). Adjacent and in communication, the pencil (70) is directly accessed by the pencil socket (25), then protrudes into the holder (31) without being separated from the other components, and the driving device (50) is placed in the pencil sharpener Back end, far The pencil socket (25) end, so the distance between the pencil socket (25) and the knife seat (31) is significantly short, achieving the utilization rate of the pencil (70) and avoiding unnecessary waste.

Especially worth mentioning, please refer to the second, fifth and sixth figures, because the cutter module (30) is provided with a guide member (40), and the guide member (40) is preceded by a rear ring piece (41), The outer diameter of the disk surface has a gap with the inner diameter of the orientation ring piece (62) of the partition plate (60), so that the cutter module (30) can be guided by the guide member (40) and the orientation ring piece (62). And accurately engaged with the gear carrier (54), thus making the installation of the tool module (30) faster and more convenient.

The guiding member (40) is sleeved on the opening ring piece (41) of the guiding member (40) at the rear end of the blade seat (31), and one end of the guiding member (40) is provided with an arc-shaped guiding chip portion (42) for designing the tool module ( 30) The chip scrap after turning can be introduced into the chip collecting portion (12) along the curved surface of the curved chip portion (42) to ensure that the pencil dust is not transmitted to the tooth ring (63), thereby affecting the tool module. (30) Smooth operation and increase the service life of the pencil sharpener.

As shown in the third, fourth and seventh figures, when replacing the tool module (30), simply open the end cover (24) to rotate the block (241) back to the notch (23) end, and then the end. The cover (24) is pulled away from the upper cover body (20), and the user can directly withdraw the cutter module (30) from the gear seat (54), and the driven wheel (34) is axially disengaged from the swing bolt (542), and the cutter is used. The module (30) is replaced with the guide (40) to replace the update.

The above embodiments are merely illustrative of the techniques of the present invention and their effects, and are not intended to limit the present invention. Anyone familiar with the technology can perform the above embodiments without violating the technical principles and spirit of the creation. Modifications and changes, therefore the scope of protection of this creation shall be as set forth in the scope of the patent application described below.

(1) ‧‧‧ Ontology

(10) ‧ ‧ lower cover

(11) ‧‧‧ 容容

(12)‧‧‧Settings

(20) ‧ ‧ upper cover

(21) ‧‧‧End face

(22) ‧ ‧ set of holes

(23) ‧‧‧ Notch

(24) ‧‧‧End caps

(241)‧‧‧Clamps

(25)‧‧‧ pencil socket

(30)‧‧‧Tool Module

(31)‧‧‧Tool holder

(32)‧‧‧Tools

(33) ‧‧ ‧ guided gear

(34) ‧‧‧ driven wheels

(40) ‧‧‧ Guides

(41) ‧‧‧ Rings

(42)‧‧‧Guidance

(50)‧‧‧ drive

(51) ‧ ‧ ‧ body

(511)‧‧‧ Front seat

(512) ‧‧‧ internal tooth ring

(52)‧‧‧Motor

(521)‧‧‧Drive wheel

(53) ‧‧‧Action rod

(531)‧‧‧First gear face

(532)‧‧‧Second gear face

(54)‧‧‧ Gear seat

(541)‧‧‧ planetary gear sets

(542)‧‧‧掣动栓

(60) ‧ ‧ partition

(61) ‧‧‧After through hole

(62) ‧ ‧ directional ring

(63)‧‧‧Guide ring

(70)‧‧‧ pencil

The first figure is a schematic perspective view of a preferred embodiment of the present invention.

The second drawing is a schematic exploded view of a three-dimensional element of the preferred embodiment of the present invention.

The third figure is a schematic diagram of the end cap joint decomposition of the preferred embodiment of the present invention.

The fourth figure is an exploded view of the driving device of the preferred embodiment of the present invention.

The fifth drawing is an exploded view of the tool module of the preferred embodiment of the present invention.

Figure 6 is a cross-sectional view of a combination of preferred embodiments of the present invention.

The seventh drawing is a perspective exploded view of the replacement tool module of the preferred embodiment of the present invention.

(1) ‧‧‧ Ontology

(10) ‧ ‧ lower cover

(11) ‧‧‧ 容容

(12)‧‧‧Settings

(20) ‧ ‧ upper cover

(21) ‧‧‧End face

(22) ‧ ‧ set of holes

(23) ‧‧‧ Notch

(24) ‧‧‧End caps

(241)‧‧‧Clamps

(25)‧‧‧ pencil socket

(30)‧‧‧Tool Module

(31)‧‧‧Tool holder

(32)‧‧‧Tools

(33) ‧‧ ‧ guided gear

(34) ‧‧‧ driven wheels

(40) ‧‧‧ Guides

(41) ‧‧‧ Rings

(42)‧‧‧Guidance

(50)‧‧‧ drive

(60) ‧ ‧ partition

(62) ‧ ‧ directional ring

(63)‧‧‧Guide ring

Claims (8)

An electric pencil sharpener comprising: a body having a detachable end cap at a front end thereof, a pencil socket for inserting a pencil in the center of the end cap, and a chip collecting portion on a lower side of the body; a module mounted in the body and adjacent to the end cover, comprising a knife seat, a cutter and two guiding members, wherein one end of the seat is rotatably supported on the end cover to communicate with the pencil socket, the cutter and the knife The seat is adjacent to each other, and the knife seat is provided with a guiding member on the outer side of the front and the rear end, and a guiding portion on the side of the guiding member at the rear end is provided with a guiding portion for guiding the pen to the chip collecting portion; a driving device; The motor is mounted on the rear side of the body, and includes a motor, an actuating rod, and a gear base. The motor engages the actuating rod. The actuating rod is provided with a first gear surface and a second gear surface at both ends. The gear surface is driven to rotate by the motor. The gear carrier is provided with a planetary gear set operable along an endless track. The gear base is provided with a sway pin at the center, whereby the second gear surface engages the planetary gear set, and the yoke is The turret drive rotates the cutter mold a partition plate is disposed between the driving device and the cutter module, and the partition plate extends axially toward the side of the cutter module with an arc-shaped directional ring piece, and the directional ring piece is wrapped around the guide member of the cutter module Peripheral, the tool module is provided for quick guidance and accurate assembly with the drive unit. The electric pencil sharpener according to claim 1, wherein the body comprises a lower cover body and an upper cover body disposed on the lower cover body, the rear cover body is provided with a receiving groove on the rear side, and the chip collecting portion on the front side is provided. Separated from the cuvette The plate is fixed at the junction of the pocket and the chip collecting portion, and the opening of the upper cover body faces downward to cover the gear seat and the cutter module. The electric pencil sharpener according to claim 1, wherein the body comprises an upper cover body and a lower cover body, the upper cover body opening downwards, the front end edge surface is pierced with a set of holes, and the peripheral edge side of the sleeve hole is provided with a gap. a pocket, a pencil socket is arranged in the center of the end cover, and a cover block having an outwardly protruding shape is formed at the cover edge of the end cover and the corresponding notch groove, and the card block is aligned into the notch groove and the end cover is rotated for the block Rotate the notch pocket and click on the peripheral end of the notch pocket to prevent the end cap from falling off the upper cover. The electric pencil sharpener according to claim 1, wherein the tool holder end of the tool holder axially extends a driven wheel coupled to the driving device, and the tool end is provided with a guiding gear. The electric pencil sharpener according to claim 1, wherein the guide member is formed as a split ring piece of three-quarters of a curved surface, and the opening of the ring piece is sleeved on the outer side of the tool holder The guide member is located at the rear end of the cutter module, and the ring piece forms a chip guide portion at the end of the opening, and the chip guide portion is provided with an arc-shaped protrusion. The electric pencil sharpener according to claim 1, wherein the driving device further comprises a body, wherein the seat body has a corresponding clamping and covering shape, and a planetary gear is disposed on the inner ring of the front seat above the seat body. The set rotates the inner ring of the action, and the motor is provided with a drive wheel for engaging the first gear face of the actuating lever. An electric pencil sharpener as described in claim 1 of the patent application, A rear through hole is formed in the center of the end surface of the partition plate, and the rear through hole is configured to support the driven pin of the planetary gear set and the driven wheel of the cutter module to be driven. The electric pencil sharpener according to claim 1, wherein the opening of the bottom side of the directional ring of the partition is a space area communicating with the chip collecting portion, and the cutter end of the cutter module is provided with a guide. The gear wheel is further provided with a toothed ring with an inner tooth surface at the front end of the through hole at the front end of the through hole. The toothed ring is engaged by the guide gear of the tool and rotates in the circular orbit of the guide ring, and the cutter module and the guide member are The relative rotation is actuated in the directional ring piece.