CN218929054U

CN218929054U - Electric pencil sharpener

Info

Publication number: CN218929054U
Application number: CN202222178419.9U
Authority: CN
Inventors: 李勇
Original assignee: Deli Group Co Ltd
Current assignee: Deli Group Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-04-28
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses an electric pencil sharpener, which comprises a box body (9) with an opening at the upper end and a box cover; a pen inlet box is arranged in the box body (9), and a first pen inlet (201) is arranged on the box body of the pen inlet box; the pencil box is provided with a starting switch (3) and a stirring piece (4), one end of the stirring piece (4) is hinged to the box, the other end of the stirring piece (4) is positioned between the driving switch and a first pencil inlet (201) of the pencil inlet box, and when the pencil is inserted into the pencil inlet (201), the pencil can push the other end of the stirring piece (4) to rotate towards the starting switch (3) so as to start the starting switch (3); a safety lock structure is arranged between the pen inlet box and the poking piece (4), and the safety lock structure can lock the poking piece (4) to prevent the poking piece from rotating; the box cover is provided with an unlocking piece (1103), and the unlocking piece can drive the safety lock structure to unlock the toggle piece when the box cover is covered on the box body. The cover opening protection structure of the electric pencil sharpener is simple and has long service life.

Description

Electric pencil sharpener

Technical Field

The utility model relates to the technical field of writing utensils, in particular to an electric pencil sharpener.

Background

The pencil sharpening operation is to sharpen the pencil manually, which looks like simple pencil sharpening operation, or various problems such as broken core, no sharpening, laborious, dirty hands, poor use and the like can occur, and along with the development of technology, an electric pencil sharpener is presented. The electric pencil sharpener cuts pencils through the rotation of the hob, does not need to be manually operated, and brings great convenience to users. At present, after the upper cover of the electric pencil sharpener is opened, the power switch is turned off, so that adverse effects caused by misoperation of consumers are avoided. However, the electric pencil sharpener in the prior art generally adopts a micro switch to realize the functions, the micro switch has higher cost and very limited service life, and the micro switch is easy to lose efficacy after a long time, so that the service life of the electric pencil sharpener is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an electric pencil sharpener, which has the advantages of simple cover opening protection structure and long service life.

The technical proposal of the utility model is to provide an electric pencil sharpener with the following structure, which comprises a box body and a box cover, wherein the upper end of the box body is provided with an opening; the pen box is internally provided with a pen inlet box, and a first pen inlet is arranged on the box body of the pen inlet box; the pencil box comprises a box body, a driving switch and a poking piece, wherein the box body is provided with the starting switch and the poking piece, one end of the poking piece is hinged to the box body, the other end of the poking piece is positioned between the driving switch and a first pencil inlet of the pencil inlet box, and when a pencil is inserted into the first pencil inlet, the pencil can push the other end of the poking piece to rotate towards the starting switch so as to start the starting switch; a safety lock structure is arranged between the pen feeding box and the poking piece, and the safety lock structure can lock the poking piece to prevent the poking piece from rotating; the box cover is provided with an unlocking piece, and the unlocking piece can drive the safety lock structure to unlock the toggle piece when the box cover is covered on the box body.

After adopting above structure, the electric pencil sharpener of the utility model has the following advantages compared with the prior art:

because the pencil feeding box of the electric pencil sharpener is provided with the poking piece, the other end of the poking piece is positioned between the driving switch and the first pencil feeding port of the pencil feeding box, and when the pencil is inserted into the first pencil feeding port, the pencil can push the other end of the poking piece to rotate towards the starting switch so as to start the starting switch. A safety lock structure is arranged between the pen feeding box and the poking piece, and the safety lock structure can lock the poking piece to enable the poking piece not to rotate. The box cover on be equipped with the unblock piece, the box cover when covering in the box body the unblock piece is stirred in the unblock of unblock that can drive the safety lock structure and is stirred the piece and can rotate, electronic pencil sharpener can normal use this moment, can guarantee pencil sharpener's safe handling, realize pencil sharpener and uncap the protection, the structure is very simple and reliable moreover, realizes uncap the function of protection through mechanical structure, life is longer.

As an improvement, a limit part is arranged on the box body and positioned at the outer side of the first pen inlet, one side of the other end of the poking part is propped against a key of the driving switch, the other side of the other end of the poking part is propped against the limit part, and the poking part is used for blocking part of the first pen inlet. After adopting this kind of structure, the locating part is spacing stirring the piece, stirs a mounting structure simple, equipment convenience.

As an improvement, the safety lock structure comprises a starting piece and a return elastic piece, wherein the middle part of the starting piece is hinged on the box body, one end, close to the toggle piece, of the starting piece is provided with a barb, and the other end, close to the starting switch, of the toggle piece is hooked by the barb; the return elastic piece is supported between the other end of the starting piece and the box body; when the box cover is covered on the box body, the unlocking piece can press the other end of the starting piece to enable the barb of the starting piece to be separated from the poking piece. After adopting this kind of structure, locking component simple structure, the equipment is convenient, and locking effect is good.

As an improvement, the box body comprises a box with an opening at the upper end and a box cover, and the box cover is covered on the box; the first pen inlet, the starting switch and the safety lock structure are all arranged on the upper surface of the box cover. After adopting this kind of structure, advance a case simple structure, equipment is convenient.

As an improvement, a supporting seat is arranged on the upper surface of the box cover and positioned on one side of the first pen inlet, a hinge shaft is arranged in the middle of the starting piece, and two ends of the hinge shaft are respectively hinged on two sides of the supporting seat. After adopting this kind of structure, starting piece mounting structure is simple, equipment is convenient.

As an improvement, the upper surface of the case cover and the other side of the first pen inlet are provided with connecting shafts, one end of the poking piece is provided with a shaft sleeve, the shaft sleeve is sleeved outside the connecting shafts, and the poking piece can rotate around the connecting shafts. After adopting this kind of structure, stir a mounting structure simple, equipment is convenient.

As an improvement, a pressing protrusion is arranged at one side of the other end of the poking piece, which is close to the starting switch, and one side of the pressing protrusion is contacted with a key of the starting switch. After the structure is adopted, the pressing protrusion is acted, the pressing protrusion presses the key in the rotating process of the stirring piece, the reaction is more sensitive, and the pressing effect is better.

As an improvement, the starting piece is provided with a poking bulge, and when the box cover is covered on the box body, the unlocking piece can press the poking bulge to enable the barb of the starting piece to tilt and separate from the poking piece. After adopting this kind of structure, lid and starter cooperation simple structure, equipment is convenient.

As an improvement, a position detection sensor is arranged between the box body and the box cover, when the box cover is screwed to a set position, the position detection sensor can generate a signal, and the starting piece unlocks the stirring piece. After the structure is adopted, the position detection sensor is arranged between the box body and the box cover, so that a user can be prompted to screw the box cover in place, and the use is more convenient.

As an improvement, the box body further comprises a cover plate, the cover plate covers the upper side of the box cover, an installation space is formed between the cover plate and the box cover, and the starting switch, the stirring piece and the starting piece are all accommodated in the installation space; the cover plate is provided with a second pen inlet, and the second pen inlet is mutually aligned with the first pen inlet; the other end of the starting piece is provided with a pressing protrusion, and the pressing protrusion is exposed out of the installation space. After the structure is adopted, the cover plate covers the parts such as the starting part, the starting switch, the poking part and the like on the pen inlet box, so that the parts on the pen inlet box can be reliably installed, and the internal structure is protected.

As an improvement, the cover plate is provided with a through hole matched with the pressing protrusion, the upper end of the pressing protrusion passes through the through hole to be exposed out of the cover plate, and the pressing protrusion is pressed downwards to enable one end of the pressing protrusion with a barb to tilt. After adopting this kind of structure, lid and starter cooperation simple structure, equipment is convenient.

As an improvement, the edge of the upper surface of the case cover protrudes upwards to form a first convex edge, the outer edge of the cover plate protrudes downwards to form a second convex edge, and the second convex edge is embedded in the first convex edge. After the structure is adopted, the cover plate and the box cover are matched with each other in a simple and reliable structure.

As an improvement, the unlocking piece is of an arc-shaped strip structure, and a guide surface is arranged at the end part of the unlocking piece, which is close to the pressing protrusion. After adopting this kind of structure, the guide surface has the effect of direction for at the in-process of twisting the lid, can make the barb break away from the tip of stirring the piece slowly, structural design is more reasonable.

Drawings

Fig. 1 is a schematic perspective view of an electric pencil sharpener according to the present utility model.

Fig. 2 is an exploded view of the electric pencil sharpener of the present utility model.

Fig. 3 is a schematic perspective view of a pencil feeding box of the electric pencil sharpener of the present utility model.

Fig. 4 is a schematic perspective view of a cover plate of a pencil feeding box of the electric pencil sharpener of the present utility model.

Fig. 5 is a schematic perspective view showing a structure of the electric pencil sharpener of the present utility model with a cover removed from a pencil feed box.

Fig. 6 is a schematic view of a part of an exploded structure of a pencil feeding box of the electric pencil sharpener of the present utility model.

Fig. 7 is a schematic perspective view of a toggle member of a pencil feeding case of the electric pencil sharpener of the present utility model.

Fig. 8 is a schematic perspective view of a starting member of a pencil feeding box of the electric pencil sharpener of the present utility model.

The figure shows: 1. the device comprises a box, 2, a box cover, 201, a first pen inlet, 202, a fixed column, 203, a connecting shaft, 204, a limiting part, 205, a supporting seat, 206, a first convex edge, 3, a starting switch, 301, a connecting hole, 4, a toggle part, 401, a shaft sleeve, 402, a pressing protrusion, 5, a starting part, 501, a hinge shaft, 502, a barb, 503, a positioning column, 504, a pressing protrusion, 6, a return elastic part, 7, a cover plate, 701, a second convex edge, 702, a baffle plate, 703, a fixed plate, 704, a second pen inlet, 705, a through hole, 8, a box body, 801, a locking groove, 9, an upper cover, 901, a mounting hole, 902, a locking, 10, a top cover, 1001, a convex ring, 1002, a pen inlet, 1003, an unlocking part, 1004, a guide surface, 11, a position detection sensor, 1101, a detection end, 1102 and a sensing end.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed description are merely illustrative of exemplary embodiments of the application and are not intended to limit the scope of the application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "including," "containing," "includes" and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 8, the application discloses an electric pencil sharpener, which comprises a case body 8 and a case cover, wherein an opening is formed in the upper end of the case body 8, a hob assembly and a pencil feeding box are arranged in the case body 8, and the pencil feeding box is arranged on the upper side of the hob assembly. The box cover covers the upper end of the box body 8 and seals the opening of the box body 8. The pencil box cover is provided with a pencil inlet hole 1002, and a pencil can be inserted into the pencil box and the hob assembly in sequence after being inserted into the pencil inlet hole 1002.

The pen feeding box comprises a box body, the box body comprises a box 1 and a box cover 2, an opening is formed in the upper end of the box 1, the box cover 2 covers the box 1, the box cover 2 seals the opening of the box 1, and the box cover 2 is fixedly connected with the box 1 through a fastener. A pen feeding assembly is installed between the case cover 2 and the case 1, and the pen feeding assembly is in the prior art and will not be described herein.

The box cover 2 on be equipped with first pen inlet 201, one side of the upper surface of box cover 2 install start switch 3, one side of the upper surface of box cover 2 be equipped with fixed column 202, start switch 3 on be equipped with connecting hole 301, start switch 3 cup joint outside the fixed column 202, fixed column 202 be equipped with two, correspondingly, connecting hole 301 also be equipped with two.

A toggle member 4 is disposed on the upper surface of the case cover 2 and between the first pen inlet 201 and the start switch 3. The upper surface of the case cover 2 and the outside that is located the first pen inlet 201 are equipped with connecting axle 203, the one end of stirring piece 4 be equipped with axle sleeve 401, axle sleeve 401 cup joint outside connecting axle 203, stirring piece 4 can round connecting axle 203 rotation. The outer ring of the first pen inlet 201 is provided with a limiting piece 204, and the limiting piece 204 is arc-shaped around the first pen inlet 201. The other end of the stirring piece 4 is positioned between the key of the starting switch 3 and the limiting piece 204, one side of the other end of the stirring piece 4 is propped against the key of the starting switch 3, the other side of the other end of the stirring piece 4 is propped against the limiting piece 204, and the stirring piece 4 blocks part of the first pen inlet 201. A pressing protrusion 402 is disposed at the other end of the toggle member 4 near the side of the start switch 3, and one side of the pressing protrusion 402 contacts with the key of the start switch 3. When the pencil is inserted into the first pencil inlet 201, the pencil can push the end part of the poking piece 4 to rotate towards the starting switch 3 so as to start the starting switch 3; when the pencil exits the first pencil inlet 201, the toggle piece 4 returns to the initial position under the elastic action of the key of the start switch 3.

A safety lock structure is arranged between the pen feeding box and the poking piece 4, and the safety lock structure can lock the poking piece to prevent the pen feeding box from rotating. The safety lock structure comprises an actuating member 5 and a return elastic member 6. The upper surface of the case cover 2 is located on the outer supporting seat 205 of the first pen inlet 201, the supporting seat 205 includes two parallel seats, and a space is reserved between the two seats. The middle part of the starting piece 5 is provided with a hinge shaft 501, the middle part of the starting piece 5 is accommodated in the space between the two base bodies, and two ends of the hinge shaft 501 of the starting piece 5 are respectively hinged on two sides of the supporting base 205. The actuating member 5 is provided with a barb 502 near one end of the toggle member 4, the barb 502 is arranged on the lower surface of the end part of the actuating member 5, and the barb 502 and the actuating member 5 are integrally formed. The barb 502 hooks the other end of the toggle piece 4 to be close to one side of the starting switch 3, the toggle piece 4 cannot rotate towards the starting switch 3 under the action of the barb 502, and the starting piece 5 locks the toggle piece 4 at the moment. The return elastic piece 6 is supported between the other end of the starting piece 5 and the box body, a positioning column 503 is arranged on the lower surface of the other end of the starting piece 5, the return elastic piece 6 is a return spring, the upper end of the return spring is sleeved outside the positioning column 503, and the lower end of the return spring is propped against the upper surface of the box cover 2. Pressing the other end of the actuating member 5 downward can rotate one end of the actuating member 5 around the hinge shaft 501 to tilt, so that the barb 502 of the actuating member 5 is separated from the toggle member 4, and the toggle member 4 is in an unlocked state and can rotate under force.

The box body further comprises a cover plate 7, the cover plate 7 covers the upper side of the box cover 2, the edge of the upper surface of the box cover 2 protrudes upwards to form a first convex edge 206, the outer edge of the cover plate 7 protrudes downwards to form a second convex edge 701, and the second convex edge 701 is embedded in the first convex edge 206. An installation space is formed between the cover plate 7 and the upper surface of the box cover 2, and the starting switch 34, the poking piece 4, the starting piece 5 and the return elastic piece 6 are all accommodated in the installation space. The other side of the cover plate 7 is provided with a fixing plate 703, the fixing plate 703 is abutted against the outer side of the side walls of the case cover 2 and the case 1, and the fixing plate 703 is fixedly connected with the case cover 2 through a fastener. The cover 7 is provided with a second pen inlet 704, and the second pen inlet 704 is aligned with the first pen inlet 201. The lower side of the second pen inlet 704 is provided with a baffle 702, the shape of the baffle 702 is matched with that of the limiting piece 204, and the baffle 702 is blocked outside the limiting piece 204. The upper surface of the other end of the starting piece 5 is provided with a pressing protrusion 504, the cover plate 7 is provided with a through hole 705 matched with the pressing protrusion 504, the upper end of the pressing protrusion 504 passes through the through hole 705 to be exposed out of the cover plate 7, and the pressing protrusion 504 is pressed downwards to enable one end of the pressing protrusion 504 with the barb 502 to tilt.

The box cover comprises an upper cover 9 and a top cover 10, wherein the top cover 10 is arranged on the upper side of the upper cover 9. The middle part of the lower surface of top cap 10 be equipped with bulge loop 1001, the middle part of upper cover 9 be equipped with bulge loop 1001 assorted mounting hole 901, bulge loop 1001 imbed in mounting hole 901, bulge loop 1001 with the pore wall of mounting hole 901 between be connected through the buckle structure. At least two latches 902 are arranged on the inner side of the side wall of the upper cover 9, and latch grooves 801 matched with the latches 902 are arranged on the outer wall of the upper end of the box body 8. When the box cover is covered on the box body 8, the lock catches 902 are buckled in the lock catch grooves 801 in a one-to-one correspondence manner, and the convex ring 1001 is sleeved outside the upper end of the pen feeding box. The pen inlet 1002 is provided on the top cover 10.

An unlocking member 1003 is arranged on the inner wall of the top cover 10, and the unlocking member 1003 is positioned on the inner side of the convex ring 1001. The unlocking piece 1003 is of an arc-shaped strip structure, and a guide surface 1004 is arranged at the end part of the unlocking piece 1003, which is close to the pressing protrusion 504. When the box cover is covered on the box body 8, the unlocking piece 1003 can prop against the upper end of the pressing protrusion 402, the box cover is rotated, and the unlocking piece 1003 can downwards press the pressing protrusion 402, so that the end part of the starting piece 5 with the barb 502 is tilted slowly. After the pressing protrusion 402 passes the guiding surface 1004 of the unlocking member 1003, the barb 502 is completely separated from the toggle member 4 at this time, and the unlocked state is reached.

A position detection sensor 11 is arranged between the box body 8 and the box cover, when the box cover is screwed to a set position, the position detection sensor 11 can generate a signal, and the starting piece 5 unlocks the stirring piece 4. The position detection sensor 11 comprises a detection end 1101 and a sensing end 1102, the detection end 1101 is arranged on the box body 8, the sensing end 1102 is arranged on the box cover, and when the sensing end 1102 enters the detection range of the detection end 1101, the detection end 1101 generates a signal.

The application discloses an electronic pencil machine advances a work process of case as follows: the box cover is covered on the box body 8, and the unlocking member 1003 is positioned on one side of the pressing protrusion 504. Then the lid is turned, the end of the unlocking member 1003 provided with the guide surface 1004 is brought into contact with the pressing projection 504, and then the pressing projection 504 is slowly pressed down, and at the same time, the end of the pressing projection 504 provided with the barb 502 is slowly tilted. After the pressing protrusion 504 passes through the guiding surface 1004 of the unlocking member 1003, the barb 502 is completely separated from the poking member 4, so as to achieve the unlocking state, and the poking member 4 can be forced to rotate. Then, a pencil is inserted into the pencil inlet 1002, passes through the second pencil inlet 704 and the first pencil inlet 201 in sequence, when the pencil enters the first pencil inlet 201, the toggle piece 4 can be pushed to move towards the starting switch 3, when the pencil is completely inserted into the first pencil inlet 201, the starting switch 3 is started, and the pencil head can enter the hob assembly for pencil sharpening.

Claims

1. An electric pencil sharpener comprises a box body (8) with an opening at the upper end and a box cover; a pen inlet box is arranged in the box body (8), and a first pen inlet (201) is arranged on the box body of the pen inlet box; the method is characterized in that: the pencil box is characterized in that a starting switch (3) and a stirring piece (4) are arranged on the box body, one end of the stirring piece (4) is hinged to the box body, the other end of the stirring piece (4) is positioned between the driving switch and a first pencil inlet (201) of the pencil inlet box, and when the pencil is inserted into the first pencil inlet (201), the pencil can push the other end of the stirring piece (4) to rotate towards the starting switch (3) so as to start the starting switch (3); a safety lock structure is arranged between the pen feeding box and the poking piece (4), and the safety lock structure can lock the poking piece (4) to prevent the poking piece from rotating; the box cover is provided with an unlocking piece (1003), and the unlocking piece can drive the safety lock structure to unlock the toggle piece when the box cover is covered on the box body.

2. The electric pencil sharpener of claim 1, wherein: the pen box is characterized in that a limiting piece (204) is arranged on the box body and located on the outer side of the first pen inlet (201), one side of the other end of the poking piece (4) abuts against a key of the driving switch, the other side of the other end of the poking piece (4) abuts against the limiting piece (204), and the poking piece (4) blocks part of the first pen inlet (201).

3. The electric pencil sharpener of claim 2, wherein: the safety lock structure comprises a starting piece (5) and a return elastic piece (6), wherein the middle part of the starting piece (5) is hinged to the box body, one end, close to the toggle piece (4), of the starting piece (5) is provided with a barb (502), and the barb (502) hooks one side, close to the starting switch (3), of the other end, close to the toggle piece (4); the return elastic piece (6) is supported between the other end of the starting piece (5) and the box body; when the box cover is covered on the box body (8), the unlocking piece (1003) can press the other end of the starting piece (5) to enable the barb (502) of the starting piece (5) to be separated from the poking piece (4).

4. The electric pencil sharpener of claim 3, wherein: the box body comprises a box (1) with an opening at the upper end and a box cover (2), and the box cover (2) covers the box (1); the first pen inlet (201), the starting switch (3) and the safety lock structure are all arranged on the upper surface of the box cover (2).

5. The electric pencil sharpener of claim 4, wherein: the upper surface of case lid (2) on and lie in one side of first pen inlet (201) be equipped with supporting seat (205), the middle part of starting piece (5) be equipped with articulated shaft (501), the both ends of articulated shaft (501) are articulated respectively on the both sides of supporting seat (205).

6. The electric pencil sharpener of claim 5, wherein: the upper surface of case lid (2) and be located the opposite side of first pen inlet (201) be equipped with connecting axle (203), one end of stirring piece (4) be equipped with axle sleeve (401), axle sleeve (401) cup joint outside connecting axle (203), stirring piece (4) can round connecting axle (203) rotation.

7. The electric pencil sharpener of claim 6, wherein: the other end of the stirring piece (4) is close to one side of the starting switch (3) and provided with a pressing protrusion (402), and one side of the pressing protrusion (402) is contacted with a key of the starting switch (3).

8. The electric pencil sharpener of claim 5, wherein: the starting piece (5) is provided with a poking bulge, when the box cover is covered on the box body (8), the unlocking piece (1003) can press the poking bulge to enable the barb (502) of the starting piece (5) to tilt and separate from the poking piece (4).

9. The electric pencil sharpener of claim 8, wherein: a position detection sensor (12) is arranged between the box body (8) and the box cover, when the box cover is screwed to a set position, the position detection sensor (12) can generate a signal, and the starting piece unlocks the stirring piece.

10. The electric pencil sharpener of any one of claims 4-9, wherein: the box body further comprises a cover plate (7), the cover plate (7) covers the upper side of the box cover (2), an installation space is formed between the cover plate (7) and the box cover (2), and the starting switch (3), the stirring piece (4) and the starting piece (5) are all accommodated in the installation space; a second pen inlet (704) is formed in the cover plate (7), and the second pen inlet (704) is aligned with the first pen inlet (201); the other end of the starting piece (5) is provided with a pressing protrusion (504), and the pressing protrusion (504) is exposed out of the installation space.

11. The electric pencil sharpener of claim 10, wherein: the cover plate (7) is provided with a through hole (705) matched with the pressing protrusion (504), the upper end of the pressing protrusion (504) passes through the through hole (705) to be exposed out of the cover plate (7), and one end of the pressing protrusion (504) with the barb (502) can be tilted by downwards pressing the pressing protrusion (504).

12. The electric pencil sharpener of claim 11, wherein: the upper surface edge of case lid (2) upwards protruding form first chimb (206), the outward flange of apron (7) downwards protruding form second chimb (701), second chimb (701) imbed in first chimb (206).

13. The electric pencil sharpener of claim 11, wherein: the unlocking piece (1003) is of an arc-shaped strip structure, and a guide surface (1004) is arranged at the end part of the unlocking piece (1003) close to the pressing protrusion (504).