CN111845170A

CN111845170A - Spiral spring type pencil sharpener

Info

Publication number: CN111845170A
Application number: CN202010894254.8A
Authority: CN
Inventors: 肖雄亮
Original assignee: Youxiang Culture Guangzhou Co Ltd
Current assignee: Youxiang Culture Guangzhou Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-10-30

Abstract

The invention relates to the technical field of stationery equipment, and provides a clockwork-spring-type pencil sharpener which comprises a pencil vase with an inlet, a pencil feeding mechanism and a pencil sharpening mechanism, wherein the pencil feeding mechanism and the pencil sharpening mechanism are sequentially arranged inwards along the inlet of the pencil vase, a power device is also arranged in the pencil vase, the power device is an elastic driving device, the elastic driving device comprises an elastic component and a one-way rotating device, the traction device is arranged between the traction device and the pencil sharpening mechanism, the one-way rotating device is connected with the pencil sharpening mechanism, the one-way rotating device rotates by virtue of the traction device, and the traction device resets by virtue of the elastic component. Through above-mentioned technical scheme, the problem that the pencil sharpener child is difficult to exert oneself and control among the prior art, and the cutting effect is poor has been solved.

Description

Spiral spring type pencil sharpener

Technical Field

The invention relates to the technical field of stationery equipment, in particular to a spiral power spring type pencil sharpener.

Background

In recent years, the living standard is gradually improved, the education attention degree of people to children is more and more obvious, a plurality of peripheral products appear around the education of children, the popularity is high, the aspect of providing high-quality stationery for children also becomes the aspect of careful selection of parents, the modern stationery products not only provide the stationery capable of providing high-quality study for children, but also can be considered on the added value of the stationery, and therefore, the design of the stationery is in consideration of multiple aspects of practicability and education.

The pencil sharpener is an indispensable stationery tool for children to receive primary education, in the prior art, the pencil sharpener is originally in a pencil sharpener form, but pencil sharpening often has a lead breaking condition, then in the improvement process, the pencil is sharpened by adopting an independent cutter, pencil sharpening can be finished with high quality, the independent cutter basically adopts transmission modes such as gears and the like, the children need to rotate by hands to sharpen the pencil, and as the strength of the children is small, the sharpening effect is general, and stable sharpening force is difficult to realize.

Disclosure of Invention

The invention provides a clockwork-type pencil sharpener, which solves the problems that in the prior art, a pencil sharpener child is difficult to control by exerting force and the sharpening effect is poor.

The technical scheme of the invention is as follows:

the utility model provides a clockwork spring formula pencil sharpener, includes the pen container that has the import, advances a mechanism and cuts a mechanism, follows the import of pen container inwards has set gradually advance a mechanism with cut a mechanism still be provided with power device in the pen container, power device is elastic drive device, elastic drive device includes that elastic component, draw gear set up draw gear with cut a unidirectional rotation device between the mechanism, unidirectional rotation device with it connects to cut a mechanism, unidirectional rotation device with the help of draw gear rotates, draw gear with the help of elastic component resets.

As a further technical scheme, the traction device comprises a box shaft and a rope, the rope is wound on the box shaft, and the box shaft is connected with the unidirectional rotation device.

As a further technical scheme, the pen container comprises a first shell and a second shell, the elastic driving device is arranged in the second shell, the elastic assembly comprises a bottom plate and a clockwork spring, the inner end of the clockwork spring is connected to the traction device, the outer end of the clockwork spring is a fixed end, and the bottom plate and the traction device are axially fixed to the clockwork spring.

As a further technical scheme, the one-way rotating device comprises movable teeth and an inner fluted disc, the movable teeth are hinged to one group of box shafts, one-way teeth are arranged on the inner side of the inner fluted disc, and the pencil sharpening device rotates by means of the inner fluted disc.

As a further technical scheme, the pencil sharpening device is arranged in the first shell and comprises a fixed cover, a knife rest, a hob, a helical gear and an internal gear, wherein the knife rest is connected with the internal gear disc, the helical gear is arranged at one end of the hob, the hob is obliquely and rotatably arranged on the knife rest, the helical gear is meshed with the internal gear, the internal gear is connected with the fixed cover, and the fixed cover is connected with the first shell.

As a further technical scheme, advance a mechanism including advancing a support, advancing a roller, rolling disc and axle sleeve, the axle sleeve is the elastic component, the axle sleeve cover is established advance on the roller, it is fixed to set up to advance a support fixed covering, it sets up for rotating to advance a roller on the support a set of, the rolling disc with the help of the knife rest rotates and sets up advance on the support, advance a roller with the help of the rolling disc rotates along the axial.

As a further technical scheme, the circumference of one end of the pen feeding roller shaft is provided with gear teeth, ribs are arranged on the circumference of the rotating disc and meshed with the gear teeth, and the pen feeding roller shaft rotates by means of the rotating disc.

As a further technical scheme, the ribs are made of soft materials.

As a further technical scheme, the pen feeding mechanism further comprises a floating adjusting mechanism arranged on the pen feeding support, the floating adjusting mechanism is an elastic piece, and the pen feeding roller shaft is meshed with the rotating disc through the floating adjusting mechanism.

As a further technical scheme, the rope fixing device further comprises a handle, and the handle is connected with the rope.

The working principle and the beneficial effects of the invention are as follows:

the invention discloses a clockwork-spring-type pencil sharpener, which consists of a pencil vase, a pencil feeding mechanism and a pencil sharpening mechanism, wherein the pencil feeding mechanism and the pencil sharpening mechanism are sequentially arranged in the pencil vase, the pencil feeding mechanism is close to the inlet of the pencil vase, the pencil vase is divided into a first shell and a second shell, in addition, an elastic driving device is additionally arranged and consists of a one-way rotating device, an elastic piece and a traction device, the one-way rotating device is connected with the pencil sharpening mechanism, the traction device is connected with the one-way rotating device, the traction device is reset and restored by the elastic piece, in the using process, a pencil is placed at the position of the pencil feeding mechanism, at the moment, a child can drive the one-way rotating device by pulling a traction rope in the traction device, the one-way rotating device can drive the pencil sharpening mechanism to rotate, the pencil sharpening mechanism drives the pencil feeding mechanism to move, at the moment, the pencil moves to the pencil sharpening, when the front end of the pencil is contacted with the pencil sharpening structure, the pencil sharpening mechanism cuts the pencil, when the traction device reaches the extreme position, the traction device traction rope is loosened, the elastic component can reset the traction device, the traction rope can be retracted into the traction device, the traction rope in the traction device can be pulled again at the moment, the pencil can be cut again, and the pencil can be cut repeatedly in such a way, in the prior art, the pulling mode of the traction rope is adopted, compared with the gear transmission mode, the rotary cutting can be realized easily for children with small strength, the force of the children can be generated conveniently, in addition, the mode of pulling the traction rope is convenient for the children to learn and master, the pulling mode can be safer for the operations of the children, the children are prevented from being clamped by rotating the gear, the pulling mode can cause the interest of the children, the additional education effect of the pencil sharpener can be improved, and finally, the pulling mode can strengthen the physical condition of the children with weak strength, the additional effect of exercising the body is achieved, and the problems that the children of the pencil sharpener are difficult to control by exerting force and the cutting effect is poor in the prior art are solved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the entire structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a first schematic view of the elastic driving device of the present invention;

FIG. 5 is a second schematic view of the elastic driving device according to the present invention;

FIG. 6 is a schematic view of a pencil feeding mechanism and a pencil sharpening mechanism of the present invention;

FIG. 7 is a partial enlarged view A of FIG. 6;

FIG. 8 is a second enlarged view of a portion A of FIG. 6;

in the figure: 1. the pen rack comprises a first shell, a second shell, a third shell, a fourth shell, a fifth shell, a sixth shell, a seventh shell, a sixth shell, an elastic component, a fifth shell, a sixth shell, a.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.

As shown in fig. 1 to 8, the present embodiment provides a clockwork-spring-type pencil sharpener, which includes a pencil vase with an inlet, a pencil feeding mechanism and a pencil sharpening mechanism, wherein the pencil feeding mechanism and the pencil sharpening mechanism are sequentially disposed inward along the inlet of the pencil vase, a power device is further disposed in the pencil vase, the power device is an elastic driving device, the elastic driving device includes an elastic component 4, and a unidirectional rotation device 3 disposed between a traction device 5 and the pencil sharpening mechanism, the unidirectional rotation device 3 is connected with the pencil sharpening mechanism, the unidirectional rotation device 3 rotates with the aid of the traction device 5, and the traction device 5 resets with the aid of the elastic component 4.

In the embodiment, the spring 9 type pencil sharpener is disclosed, which comprises a pencil vase, a pencil feeding mechanism and a pencil sharpening mechanism, wherein the pencil feeding mechanism and the pencil sharpening mechanism are sequentially arranged in the pencil vase, the pencil feeding mechanism is close to the inlet of the pencil vase, the pencil vase is divided into a first shell 1 and a second shell 2, in addition, an elastic driving device is additionally arranged and consists of a one-way rotating device 3, an elastic piece and a traction device 5, the one-way rotating device 3 is connected with the pencil sharpening mechanism, the traction device 5 is connected with the one-way rotating device 3, the traction device 5 is restored by means of the elastic piece, in the using process, a pencil is placed at the position of the pencil feeding mechanism, at the moment, a child can drive the one-way rotating device 3 by pulling a traction rope in the traction device 5, the one-way rotating device 3 can drive the pencil sharpening mechanism to rotate, the pencil feeding mechanism is driven to move, at the moment, under the action of the pencil feeding mechanism, the pencil sharpener moves towards the pencil sharpening mechanism, when the front end of the pencil contacts the pencil sharpening structure, the pencil sharpening mechanism cuts the pencil, when the traction device 5 reaches the extreme position, the traction rope of the traction device 5 is loosened, the elastic component 4 resets the traction device 5, the traction rope is retracted into the traction device 5, the traction rope in the traction device 5 can be pulled again at the moment, the pencil can be cut again, and the pencil can be cut repeatedly in the same way. Finally, the pulling mode can strengthen the physical condition of the children with weak strength, the additional effect of exercising the body is achieved, and the problems that the children of the pencil sharpener in the prior art are difficult to control by exerting force and the cutting effect is poor are solved.

The traction device 5 comprises a box shaft 6 and a rope 7, the rope 7 is wound on the box shaft 6, and the box shaft 6 is connected with the unidirectional rotating device 3.

In this embodiment, draw gear 5 is by case axle 6 and rope 7, 7 twines of rope and sets up on case axle 6, case axle 6 is connected with one-way rotating device 3, case axle 6 is connected with elastic component 4, in the use, when 7 stimulations of rope, case axle 6 rotates, it rotates to drive one-way rotating device 3, after 7 reachs the limit length of rope, loosen rope 7, thereby elastic component 4 drives 6 counter-rotations of case axle and resets, rope 7 is withdrawed, get into and drag the circulation of drawing next time, and is easy and simple to handle.

The pen container comprises a first shell 1 and a second shell 2, the elastic driving device is arranged in the second shell 2, the elastic assembly 4 comprises a bottom plate 8 and a clockwork spring 9, the inner end of the clockwork spring 9 is connected to the traction device 5, the outer end of the clockwork spring 9 is a fixed end, and the bottom plate 8 and the traction device 5 are axially fixed along the clockwork spring 9.

In this embodiment, the elastic driving device is disposed in the second casing 2, the elastic assembly 4 is composed of a bottom plate 8 and a spiral spring 9, the inner end of the spiral spring 9 is fixed at the center of the traction device 5, the other end of the spiral spring 9 is a fixed end and is fixed on the bottom plate 8, the second casing 2 or the base 24, the bottom plate 8 and the traction device 5 axially fix the spiral spring 9, in the using process, after the traction device 5 rotates, the spiral spring 9 is compressed, at this time, the spiral spring 9 accumulates elastic potential energy, the bottom plate 8 and the traction device 5 can ensure the axial flatness of the spiral spring 9 in the compression process, the situation that the spiral spring 9 is disengaged due to improper spacing in the energy accumulation process is avoided, and the service life and the stability of the stationery.

The unidirectional rotation device 3 comprises movable teeth 10 and an inner fluted disc 11, the movable teeth 10 are hinged to one group of the box shaft 6, unidirectional teeth are arranged on the inner side of the inner fluted disc 11, and the pencil sharpening device rotates by means of the inner fluted disc 11.

In this embodiment, the unidirectional rotation device 3 is composed of a movable tooth 10 and an internal gear disc 11, the movable tooth 10 is hinged with the box shaft 6, the inner side of the internal gear disc 11 is provided with the unidirectional tooth, the pencil sharpener rotates by means of the internal gear disc 11, in the using process, the box shaft 6 rotates under the driving of the rope 7, at this time, the movable tooth 10 hinged on the box shaft 6 is meshed with the unidirectional tooth on the internal gear disc 11 due to the centrifugal force, the box shaft 6 drives the internal gear disc 11 to rotate by means of the movable tooth 10, the internal gear disc 11 drives the cutter to rotate for cutting, when the box shaft 6 needs to be reset, the movable teeth 10 move reversely, the one-way teeth on the inner fluted disc 11 and the movable teeth 10 do not have a meshing relationship, the box shaft 6 can be reset and the cutting device does not rotate due to the reset of the box shaft 6, so that on one hand, the circular pulling cutting operation can be realized, and on the other hand, the pencil state can be effectively protected during the rope returning.

The pencil sharpening device is arranged in the first shell 1 and comprises a fixed cover 12, a knife rest 13, a hob 14, a bevel gear 15 and an internal gear 16, wherein the knife rest 13 is connected with the internal fluted disc 11, the bevel gear 15 is arranged at one end of the hob 14, the hob 14 is obliquely and rotatably arranged on the knife rest 13, the bevel gear 15 is meshed with the internal gear 16, the internal gear 16 is connected with the fixed cover 12, and the fixed cover 12 is connected with the first shell 1.

In the embodiment, the pencil sharpening device is arranged in the first housing 1, the pencil sharpening device is composed of a fixed cover 12, a cutter rest 13, a hob 14, a helical gear 15 and an internal gear 16, the cutter rest 13 is connected with an internal fluted disc 11, the helical gear 15 is connected with the hob 14, the hob 14 is obliquely and rotatably arranged on the cutter rest 13, the internal gear 16 is fixedly connected with the fixed cover 12, the fixed cover 12 is connected with the first housing 1, during the use process, the internal fluted disc 11 is driven by an elastic driving device to rotate, at the moment, the cutter rest 13 rotates coaxially with the internal fluted disc 11, the hob 14 rotates around the axis under the driving of the cutter rest 13, the helical gear 15 on the hob 14 is meshed with the fixed internal gear 16, at the moment, the helical gear 15 rotates, the hob 14 rotates accordingly, the hob 14 is obliquely arranged to cut the outer side of the pencil, and the cutting mode of the hob 14 is adopted, avoid the cutting output too big, lead-breaking's condition has been promoted cutting efficiency and quality.

Advance a mechanism including advancing a support 17, advancing a roller 18, rolling disc 19 and axle sleeve 25, axle sleeve 25 is the elastic component, and axle sleeve 25 cover is established on advancing a roller 18, it is fixed to set up to advance a support 17 fixed cover 12 is last, it sets up for rotating to advance a roller 18 advance a set of on the support 17, rolling disc 19 with the help of knife rest 13 rotates and sets up advance on the support 17, advance a roller 18 with the help of rolling disc 19 rotates along the axial.

In this embodiment, advance a mechanism by advancing a support 17, advance a roller 18 and rolling disc 19 and constitute, in the use, knife rest 13 drives rolling disc 19 and rotates, advance a support 17 and fixed cover 12 fixed connection, advance a roller 18 and set up a set of on advancing a support 17 for rotating, can be two rollers or for a plurality of roller combinations, rolling disc 19 drives into a roller 18 and rotates, realize the pen-feeding process of pencil, furthermore, axle sleeve 25 is the elastic component, the cover is established on advancing a roller 18, interval between the roller 18 can adapt to the pencil of multiple different diameters, axle sleeve 25 also can promote frictional force, promote conveying efficiency.

The pen feeding roller shaft 18 is characterized in that gear teeth 20 are arranged on the circumference of one end of the pen feeding roller shaft 18, ribs 21 are arranged on the circumference of the rotating disc 19, the ribs 21 are meshed with the gear teeth 20, and the pen feeding roller shaft 18 rotates through the rotating disc 19.

In this embodiment, the one end circumference of advancing a roller 18 is provided with teeth of a cogwheel 20, is provided with ribbing 21 on rolling disc 19, and ribbing 21 and the meshing of teeth of a cogwheel 20, and rolling disc 19 drives into a roller 18 and rotates, and teeth of a cogwheel 20 is advancing a roller 18 circumference setting, and ribbing 21 circumference setting on rolling disc 19 can realize advancing a synchronous rotation of roller 18, makes the pencil remain perpendicularly throughout at the feeding in-process.

The ribs 21 are made of soft materials.

In this embodiment, ribbing 21 is soft materials, and when the pencil was carried to the cutting position, the pencil transported forward and can be received the restriction, and along with the cutting goes on, the pencil can be carried forward gradually, and the ribbing 21 of light can receive the resistance when too big at the pencil, and ribbing 21 takes place deformation under the extrusion of teeth of a cogwheel 20 to play overload protection's effect.

The pen feeding mechanism further comprises a floating adjusting mechanism 23 arranged on the pen feeding support 17, the floating adjusting mechanism 23 is an elastic piece, and the pen feeding roller shaft 18 is meshed with the rotating disc 19 through the floating adjusting mechanism 23.

In this embodiment, set up unsteady guiding mechanism 23 on advancing a support 17, advance a roller 18 and be connected with unsteady guiding mechanism 23, when the pencil was carried to the cutting position, the pencil transported forward can receive the restriction, along with the cutting goes on, the pencil can be carried forward gradually, when the resistance grow that receives, unsteady guiding mechanism 23 can adjust into the interval of a roller 28 and rolling disc 19, plays overload protection's effect, unsteady guiding mechanism 23 can be elastic component such as spring.

The rope fixing device further comprises a handle 22, and the handle 22 is connected with the rope 7.

In this embodiment, still be connected with handle 22 in the one end of rope 7, handle 22 can make things convenient for child's gripping, is convenient for have an effect, simultaneously, when draw gear 5 resets, can avoid because child takes off the hand, leads to rope 7 to be drawn into in the box, has promoted the convenience of operation.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a clockwork spring formula pencil sharpener, includes the pen container that has the import, advance a mechanism and cut a mechanism, follows the import of pen container inwards has set gradually advance a mechanism with cut a mechanism still be provided with power device in the pen container, its characterized in that, power device is elastic drive device, elastic drive device includes elastic component (4), draw gear (5), sets up draw gear (5) with cut a unidirectional rotation device (3) between the mechanism, unidirectional rotation device (3) with cut a mechanism and connect, unidirectional rotation device (3) with the help of draw gear (5) rotate, draw gear (5) with the help of elastic component (4) reset.

2. The clockwork-type penknife according to claim 1, characterized in that the traction means (5) comprise a box shaft (6) and a rope (7), the rope (7) being wound around the box shaft (6), the box shaft (6) being connected to the unidirectional rotation means (3).

3. The clockwork-type penknife according to claim 2, characterized in that the barrel comprises a first casing (1) and a second casing (2), the elastic drive means being arranged in the second casing (2), the elastic assembly (4) comprising a base plate (8), a clockwork spring (9), the inner end of the clockwork spring (9) being connected to the traction means (5), the outer end of the clockwork spring (9) being a fixed end, the base plate (8) and the traction means (5) axially fixing the clockwork spring (9).

4. The clockwork pencil sharpener according to claim 3, characterized in that said unidirectional rotation means (3) comprise a set of movable teeth (10) and an internal toothed disc (11), said movable teeth (10) being hinged on said box shaft (6), said internal toothed disc (11) being internally provided with unidirectional teeth, said pencil sharpening means being rotated by means of said internal toothed disc (11).

5. The clockwork pencil sharpener according to claim 4, wherein the pencil sharpening device is arranged in the first housing (1), the pencil sharpening device comprises a fixed cover (12), a cutter holder (13), a hob (14), a bevel gear (15) and an internal gear (16), the cutter holder (13) is connected with the internal toothed disc (11), the bevel gear (15) is arranged at one end of the hob (14), the hob (14) is obliquely and rotatably arranged on the cutter holder (13), the bevel gear (15) is meshed with the internal gear (16), the internal gear (16) is connected with the fixed cover (12), and the fixed cover (12) is connected with the first housing (1).

6. The clockwork-type pencil sharpener according to claim 5, wherein the pencil feeding mechanism comprises a pencil feeding support (17), a pencil feeding roller shaft (18), a rotating disc (19) and a shaft sleeve (25), the shaft sleeve (25) is an elastic part, the shaft sleeve (25) is sleeved on the pencil feeding roller shaft (18), the pencil feeding support (17) is fixedly arranged on the fixed cover (12), the pencil feeding roller shaft (18) is a group rotatably arranged on the pencil feeding support (17), the rotating disc (19) is rotatably arranged on the pencil feeding support (17) through the tool rest (13), and the pencil feeding roller shaft (18) axially rotates through the rotating disc (19).

7. The clockwork-type pencil sharpener according to claim 6, wherein one end of the pencil feed roller shaft (18) is circumferentially provided with gear teeth (20), the rotating disc (19) is circumferentially provided with ribs (21), the ribs (21) are meshed with the gear teeth (20), and the pencil feed roller shaft (18) is rotated by means of the rotating disc (19).

8. The clockwork-type penknife according to claim 7, characterized in that the ribs (21) are of soft material.

9. The clockwork-type pencil sharpener according to claim 7, further comprising a floating adjustment mechanism (23) provided on the pencil feed bracket (17), the floating adjustment mechanism (23) being an elastic member, the pencil feed roller shaft (18) being engaged with the rotary disk (19) by means of the floating adjustment mechanism (23).

10. The clockwork-type penknife according to claim 2, characterized in that it further comprises a handle (22), said handle (22) being connected to said cord (7).