CN217197588U

CN217197588U - Hand pencil sharpener

Info

Publication number: CN217197588U
Application number: CN202220619633.0U
Authority: CN
Inventors: 林靖
Original assignee: Sunwood Holding Group Co ltd
Current assignee: Sunwood Holding Group Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-16
Anticipated expiration: 2032-03-21

Abstract

The utility model provides a hand-operated pencil sharpener, which belongs to the technical field of stationery. It has solved the inconvenient problem of when using as little night-light emergency. It includes the casing, set up the knife rest subassembly in the casing and set up in the casing rear side and the handle of being connected with the knife rest subassembly transmission, casing internal fixation has circuit board and power, the integration has light emitting module on the circuit board, the handle internal fixation has the magnet, the circuit board level sets up and is close to casing top position department, the casing top has the top cap that adopts transparent material to make, it has the magnetic induction switch that can put through power and circuit board when the magnet is close to be close to the integration of casing rear side position department on the circuit board. It has the advantages of convenient use, high practicability, reasonable and reliable structure and the like.

Description

Hand pencil sharpener

Technical Field

The utility model belongs to the technical field of stationery, a hand formula pencil sharpener is related to.

Background

The pencil sharpener is a common stationery in people's office work or daily study and life, and is especially used by primary school students as a main user. The pencil sharpener has various types, the prior hand pencil sharpener and the full-automatic pencil sharpener are widely used, the traditional hand pencil sharpener has single function, and the pencil sharpening process is relatively dull.

With the continuous progress of the technology, people begin to add various auxiliary functions on the pencil sharpener under the condition of ensuring the normal pencil sharpening function. For example, patent application No. 201521014458.9 discloses a pencil sharpener with a light emitting function, which comprises a casing and a pencil sharpener main body arranged in the casing, wherein the casing is provided with a pencil insertion hole for inserting a pencil sharpener, the pencil sharpener further comprises a light emitting circuit, the light emitting circuit comprises a light source, a power supply and two conductive contact pieces, when the two conductive contact pieces are contacted, a closed loop is formed between the light source and the power supply, and the light source emits light; the two conductive contact pieces are arranged in the shell, the two conductive contact pieces are respectively a first conductive contact piece and a second conductive contact piece, and one end of the first conductive contact piece extends into the front of the pen inserting hole; when the pencil sharpener is in a non-use state, the two conductive contact pieces are not in contact, and when a pencil is inserted into the pencil inserting hole, the first conductive contact piece is pushed away by the pencil to be in contact with the second conductive contact piece. When a pencil is inserted, the first conductive contact piece and the second conductive contact piece are contacted to form a closed loop between the light source and the power supply, so that the pencil sharpener can emit light in the pencil sharpening process to increase the interestingness of the pencil sharpening process. In addition, when meeting the power failure condition, can also utilize the luminous as little night-light of penknife to carry out emergent use. However, the light-emitting circuit needs to be turned on by inserting a pencil each time, so that the light-emitting circuit is not convenient to be used as a small night light for emergency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a hand formula pencil sharpener, solved as the inconvenient problem of little night-light emergency use time.

The purpose of the utility model can be realized by the following technical proposal:

hand formula pencil sharpener, including the casing, set up the knife rest assembly in the casing and set up in the casing rear side and the handle of being connected with the knife rest assembly transmission, the casing internal fixation have circuit board and power, the integration has light emitting module on the circuit board, its characterized in that, the handle internal fixation have a magnet, the circuit board level sets up and is close to casing top position department, the casing top has the top cap that adopts transparent material to make, be close to casing rear side position department on the circuit board and integrate the magnetic induction switch that can put through power and circuit board when the magnet is close to.

When the pencil needs to be sharpened, the pencil is inserted into the tool rest assembly from the outside of the casing, and then the handle is shaken to drive the tool rest assembly to operate, so that the pencil is sharpened. In the planing process, the magnet fixed on the inner side of the handle can be close to the primary magnetic induction switch when the handle rotates for one circle, so that the power supply and the circuit board are connected once and emit light once through the light-emitting module, and the circuit board is arranged at a position close to the top of the casing, and the top cover of the casing is made of transparent materials, so that a user can directly see and observe the light from the top of the casing when the user sharpens a pencil, and the interestingness of the user when the user sharpens the pencil is greatly increased. And, when the handle was in magnet and magnetic induction switch matched with position all the time, will keep the on-state and make the light emitting module be in luminous state all the time between power and the circuit board always, so just can realize emergent the use as little night-light with this hand formula pencil sharpener when especially having a power failure night to this hand formula pencil sharpener's practicality has been improved. The hand-operated pencil sharpener can control the light emitting module to emit light only through the handle without inserting a pencil, so that the hand-operated pencil sharpener is very convenient to use.

In the hand-operated pencil sharpener, the magnet is in a rectangular block shape, the length direction of the magnet is the same as that of the handle, one side of the handle, which is close to the casing, is provided with a mounting groove, the shape of which is matched with that of the magnet, and the magnet is fixed in the mounting groove.

The magnet is fixed in the mounting groove and is fixed with the handle, so that the magnet can move along with the handle. Because the circuit board is located the casing, and the magnet then is located the handle outside the casing, consequently is rectangular cubic and its length direction is the same with the handle with the magnet, can improve the cooperation precision between magnet and the magnetic induction switch like this to ensure to utilize this hand formula pencil sharpener as the reliability when little night-light uses.

In foretell hand formula pencil sharpener, the casing include the casing and connect in the protecgulum on casing front side upper portion, the casing top has the boss, the circuit board is fixed in on the boss, the top cap can be dismantled and connect in casing top and the boss is located the top cap inboard.

Through the arrangement, the circuit board is fixed on the shell and is convenient to mount, meanwhile, the circuit board is not arranged inside the shell, the internal structure of the shell is not affected and does not need to be changed, and the overall structure is more reasonable and reliable. Moreover, the circuit board can be replaced or maintained only by disassembling the top cover, and the operation is more convenient.

In foretell hand formula pencil sharpener, the boss on be connected with the installation lid, the circuit board is located the installation lid inboard and the installation lid is located the top cap inboard, the top of installation lid runs through and is provided with spread groove and spread groove internal fixation and has the decorative board that adopts transparent material to make, light-emitting module on the circuit board is located the decorative board below.

In practice, a decorative plate having a certain special shape may be provided, which can further increase the interest.

In the hand-operated pencil sharpener, the boss is provided with an extension part extending out of the front side of the casing, the upper side of the extension part is provided with a positioning groove, the power supply is arranged in the positioning groove, the front cover is higher than the boss, the front side of the top cover is jointed with the rear side of the front cover, the upper surface of the top cover is flush with the upper surface of the front cover, and the extension part extends into the front cover.

Through the setting, make the power obtain the installation on the casing, the power does not set up inside the casing simultaneously, does not have the influence to casing inner structure and also need not to change, makes overall structure more reasonable, reliable. Moreover, the front cover is arranged to be higher than the lug boss, and the extension part extends into the front cover so that the power supply is hidden in the shell.

In foretell hand formula pencil sharpener, the protecgulum be connected through the buckle mode with the casing, the protecgulum inboard has the connection piece, the connection piece supports and leans on the below of extension and both are connected through the buckle mode.

Because the protecgulum sets up to the boss that exceeds, consequently through set up the connection piece in the protecgulum inboard, support by the connection piece and lean on behind the below of extension rethread buckle mode and be connected, guaranteed the stability of being connected between protecgulum and the casing like this.

In foretell hand formula pencil sharpener, the power be the lithium cell, the casing rear side is provided with the solar panel that can charge to the power.

Adopt the lithium cell as the power to utilize solar panel to charge to the power, need not to change the power like this or external charging wire, it is more convenient to use, and as long as all can charge under the condition of illumination.

In foretell hand formula pencil sharpener, the casing rear side the cavity has, solar panel is located the cavity, the casing rear side can be dismantled and be connected with the shrouding of sealing the cavity, run through with the corresponding department in solar panel position on the shrouding and be provided with slightly less than the mouth of stepping down of solar panel.

Put into the cavity of casing rear side with solar panel in, then connect the shrouding for solar panel is cliied and is formed fixedly, lets the setting of position mouth can guarantee solar panel again and absorb solar energy simultaneously. In addition, such fixed mode makes solar panel conveniently install, does not have the influence to the inside part structure that involves the pencil function of cutting of hand formula pencil machine simultaneously and also need not to change, and overall structure is more reasonable, reliable.

In foretell hand formula pencil sharpener, the cavity inboard have the draw-in groove that is enclosed by a plurality of sand grips and the lead wire groove that forms by two sand grips cooperations, the one end and the draw-in groove of lead wire groove are linked together, the boss rear side is linked together along being equipped with the other end that runs through the lead wire breach that runs through along vertical direction and lead wire groove with the lead wire breach, the rear side of extension runs through and is provided with the line breach of crossing that is linked together with the constant head tank.

Through the setting of crossing line breach, lead wire breach and lead wire groove, can arrange the wire that is connected solar panel with the power and is connected the power with the circuit board in comparatively orderly.

Compared with the prior art, the hand-operated pencil sharpener has the following advantages:

1. by integrating the magnetic induction switch on the circuit board and fixing the magnet in the handle, the light-emitting module can be controlled to emit light once by the cooperation of the magnet and the magnetic induction switch when a user rotates the handle for one circle, so that the interestingness of the user in pencil sharpening is improved well;

2. the hand-operated pencil sharpener can be used as a small night light for emergency use at night, particularly in power failure, and the practicability is improved;

3. the pencil can be controlled only by the handle without the help of the insertion of the pencil, so the pencil is very convenient to use;

4. no matter be the setting of circuit board, power, solar panel or magnet, all be not in the casing, do not have the influence to inside part structure that involves the function of cutting a pencil simultaneously and also need not to change, overall structure is more reasonable, reliable.

Drawings

Fig. 1 is a schematic view of the hand-operated pencil sharpener.

Fig. 2 is a sectional view of the hand-operated pencil sharpener.

Fig. 3 is an exploded schematic view of the hand-operated pencil sharpener.

Fig. 4 is a rear schematic view of the housing of the hand-operated pencil sharpener.

Fig. 5 is a schematic view of the handle of the hand-operated pencil sharpener.

In the figure, 1, a housing; 1a, a shell; 1a1, boss; 1a11, lead notch; 1a2, extension; 1a21, positioning groove; 1a22, passing wire gap; 1a3, cavity; 1a4, card slot; 1a5, lead slot; 1b, a top cover; 1c, a front cover; 1c1, connecting sheet; 1d, a scrap box; 2. a tool holder assembly; 2a, a hob mechanism; 3. a handle; 3a, mounting grooves; 4. a magnet; 5. a circuit board; 6. a power source; 7. a light emitting module; 8. a magnetic induction switch; 9. installing a cover; 10. a decorative plate; 11. a solar panel; 12. closing plates; 12a and a yielding port.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 5, the hand-operated pencil sharpener comprises a housing 1, a knife rest assembly 2 arranged in the housing 1, and a handle 3 arranged at the rear side of the housing 1 and in transmission connection with the knife rest assembly 2, wherein a hob cutter mechanism 2a is arranged on the knife rest assembly 2, and when a pencil is inserted into the knife rest assembly 2, the handle 3 is shaken to drive the knife rest assembly 2 to rotate, so that the hob cutter mechanism 2a is driven to cut the pencil. A circuit board 5 and a power supply 6 electrically connected with the circuit board 5 and supplying power to the circuit board 5 are fixed in the casing 1, and a light-emitting module 7 is integrated on the circuit board 5. The inboard magnet 4 that is fixed with of handle 3, 5 levels of circuit board set up and are close to 1 top position department of casing, and 1 top of casing has the top cap 1b that adopts transparent material to make, is close to 1 rear side position department of casing on the circuit board 5 and is integrated with the magnetic induction switch 8 that can put through power 6 and circuit board 5 when magnet 4 is close to. The magnet 4 is in a rectangular block shape, the length direction of the magnet is the same as that of the handle 3, one side of the handle 3, which is close to the machine shell 1, is provided with a mounting groove 3a, and the magnet 4 is fixed in the mounting groove 3 a.

Further, as shown in fig. 2, 3 and 4, the housing 1 includes a case 1a, a front cover 1c attached to an upper portion of a front side of the case 1a, and a chip box 1d detachably attached to a lower portion of the front side of the case 1a, a top of the case 1a has a boss 1a1, the circuit board 5 is fixed to the boss 1a1, a top cover 1b is detachably attached to the top of the case 1a, and the boss 1a1 is located inside the top cover 1 b. In this embodiment, the top cover 1b and the housing 1a are also connected by a snap-fit manner, but may be fixed by screws. Be connected with installation lid 9 on the boss 1a1, the circuit board 5 is located that installation lid 9 is inboard and installation lid 9 is located top cap 1b inboard, and the top of installation lid 9 runs through to be provided with spread groove and spread groove internal fixation and is had the decorative board 10 that adopts transparent material to make, and decorative board 10 specifically is the ya keli board, and last light-emitting module 7 of circuit board 5 is located decorative board 10 below. In practice, a decorative panel 10 having a specific shape may be provided, which can further increase the interest.

As shown in fig. 2 and 3, the boss 1a1 has an extension 1a2 protruding out of the front side of the case 1a, the upper side of the extension 1a2 is provided with a positioning groove 1a21 and the power supply 6 is provided in the positioning groove 1a21, the front cover 1c is higher than the boss 1a1, the front side of the top cover 1b is engaged with the rear side of the front cover 1c and the upper surface of the top cover 1b is flush with the upper surface of the front cover 1c, and the extension 1a2 protrudes into the front cover 1 c. Specifically, the front cover 1c and the housing 1a are also connected by a snap-fit manner, and the inner side of the front cover 1c is further provided with a connecting piece 1c1, and the connecting piece 1c1 abuts against the lower part of the extending part 1a2 and is connected by a snap-fit manner.

Further, as shown in fig. 1, 2, 3 and 4, the power source 6 is a lithium battery, and a solar panel 11 capable of charging the power source 6 is provided on the rear side of the case 1 a. The rear side of the shell 1a is provided with a cavity 1a3, the solar panel 11 is positioned in the cavity 1a3, the rear side of the shell 1a is detachably connected with a sealing plate 12 for sealing the cavity 1a3, and a yielding hole 12a slightly smaller than the solar panel 11 is arranged on the sealing plate 12 corresponding to the solar panel 11 in position in a penetrating mode. In the present embodiment, the closing plate 12 is connected to the housing 1a by a snap-fit method, but may be fixed by screws. The connection of shrouding 12 can clip solar panel 11 and form fixedly, lets the setting of position mouth 12a can guarantee again that solar panel 11 absorbs solar energy simultaneously. The inner side of the cavity 1a3 is provided with a clamping groove 1a4 surrounded by a plurality of convex strips and a lead groove 1a5 formed by matching two convex strips, one end of the lead groove 1a5 is communicated with the clamping groove 1a4, the rear side edge of the boss 1a1 is provided with a lead notch 1a11 penetrating in the vertical direction, the other end of the lead groove 1a5 is communicated with the lead notch 1a11, and the rear side of the extension part 1a2 is provided with a wire passing notch 1a22 communicated with the positioning groove 1a 21. Through the arrangement of the wire passing notch 1a22, the wire leading notch 1a11 and the wire leading groove 1a5, the wires for connecting the solar panel 11 and the power source 6 can be arranged in order.

When the pencil needs to be sharpened, the pencil is inserted into the tool rest assembly 2 from the outside of the casing 1, and then the handle 3 is swung to drive the hob mechanism 2a to rotate so as to shave the pencil. In the process of shaking the handle 3, the magnet 4 fixed on the inner side of the handle 3 is close to the primary magnetic induction switch 8 every time the handle 3 rotates for one turn, so that the power supply 6 is connected with the circuit board 5 once and emits primary light through the light-emitting module 7, and the circuit board 5 is arranged at the position close to the top of the casing 1, and the top cover 1b of the casing 1 is made of transparent materials, so that a user can directly see the light from the top of the casing 1 when the user sharpens a pencil, and the interest of the user when sharpening the pencil is greatly increased. And, when handle 3 was in magnet 4 and magnetic induction switch 8 matched with position all the time, will keep the on-state and make light emitting module 7 be in the state of giving out light all the time between power 6 and the circuit board 5, so just can realize emergent use as little night-light with this hand formula pencil sharpener when having a power failure especially at night.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Hand formula pencil sharpener, including casing (1), set up knife rest assembly (2) in casing (1) and set up in casing (1) rear side and handle (3) of being connected with knife rest assembly (2) transmission, casing (1) internal fixation have circuit board (5) and power (6), integrated luminous module (7) on circuit board (5), its characterized in that, handle (3) internal fixation have magnet (4), circuit board (5) level sets up and is close to casing (1) top position department, casing (1) top has top cap (1b) that adopts transparent material to make, be close to casing (1) rear side position department on circuit board (5) and integrate and have magnetic induction switch (8) that can put through power (6) and circuit board (5) when magnet (4) are close to.

2. The hand-operated pencil sharpener according to claim 1, wherein the magnet (4) is rectangular and has the same length direction as the handle (3), one side of the handle (3) close to the casing (1) is provided with an installation groove (3a) with the shape matched with the magnet (4), and the magnet (4) is fixed in the installation groove (3 a).

3. The hand-operated pencil sharpener according to claim 1 or 2, wherein the housing (1) comprises a housing (1a) and a front cover (1c) connected to the upper part of the front side of the housing (1a), the top of the housing (1a) is provided with a boss (1a1), the circuit board (5) is fixed on the boss (1a1), the top cover (1b) is detachably connected to the top of the housing (1a), and the boss (1a1) is located on the inner side of the top cover (1 b).

4. The hand-operated pencil sharpener according to claim 3, wherein the boss (1a1) is connected with an installation cover (9), the circuit board (5) is located on the inner side of the installation cover (9) and the installation cover (9) is located on the inner side of the top cover (1b), the top of the installation cover (9) is provided with a connecting groove in a penetrating manner, a decorative plate (10) made of transparent materials is fixed in the connecting groove, and the light-emitting module (7) on the circuit board (5) is located below the decorative plate (10).

5. The hand-operated pencil sharpener according to claim 3, wherein the boss (1a1) is provided with an extension part (1a2) extending out of the front side of the housing (1a), the upper side of the extension part (1a2) is provided with a positioning groove (1a21), the power supply (6) is arranged in the positioning groove (1a21), the front cover (1c) is higher than the boss (1a1), the front side of the top cover (1b) is jointed with the rear side of the front cover (1c), the upper surface of the top cover (1b) is flush with the upper surface of the front cover (1c), and the extension part (1a2) extends into the front cover (1 c).

6. A hand pencil sharpener according to claim 5, characterised in that the front cover (1c) is connected to the housing (1a) by means of a snap fit, the front cover (1c) has a connecting piece (1c1) on its inside, the connecting piece (1c1) rests below the extension (1a2) and the two are connected by means of a snap fit.

7. A hand-operated pencil sharpener as claimed in claim 5, characterised in that the power supply (6) is a lithium battery, and a solar panel (11) capable of charging the power supply (6) is arranged at the rear side of the casing (1 a).

8. The hand-operated pencil sharpener according to claim 7, wherein the rear side of the casing (1a) is provided with a concave cavity (1a3), the solar panel (11) is located in the concave cavity (1a3), the rear side of the casing (1a) is detachably connected with a sealing plate (12) for sealing the concave cavity (1a3), and a yielding opening (12a) slightly smaller than the solar panel (11) penetrates through the sealing plate (12) corresponding to the position of the solar panel (11).

9. The hand-operated pencil sharpener according to claim 8, wherein a clamping groove (1a4) surrounded by a plurality of raised strips and a lead wire groove (1a5) formed by two raised strips are formed in the inner side of the concave cavity (1a3), one end of the lead wire groove (1a5) is communicated with the clamping groove (1a4), a lead notch (1a11) penetrating through the rear side edge of the boss (1a1) in the vertical direction is formed in the rear side edge of the boss (1a1), the other end of the lead wire groove (1a5) is communicated with the lead wire notch (1a11), and a lead wire notch (1a22) communicated with the positioning groove (1a21) penetrates through the rear side of the extending portion (1a 2).