CN210257778U - Pencil sharpener capable of adjusting pencil point - Google Patents

Abstract

The utility model discloses a pencil sharpener of adjustable nib, which comprises a housin, be equipped with the knife rest in the casing, be equipped with on the knife rest and supply pencil male bell mouth, the tip department of bell mouth is equipped with the dog that is used for supporting the nib, the one end of casing is equipped with the spiral cover, fixedly connected with connecting rod on the knife rest, the one end of connecting rod is equipped with supports the pushing head, it is equipped with the constant head tank that a plurality of annular distribute, a plurality of to support on the pushing head the constant head tank height is different, the spiral cover is equipped with the ejector pad that supports that corresponds with the constant head tank, the connecting rod overcoat is equipped with the reset spring that the constant head tank that makes on the connecting rod contradicts all the time with the ejector pad that supports. The utility model discloses the accessible is placed the spiral cover and is adjusted the position of the relative dog of knife rest to the realization satisfies different user demands, simple structure, convenient to use to the control of pencil sharpener sharpening degree.

Description

Pencil sharpener capable of adjusting pencil point

Technical Field

The utility model relates to a stationery technical field, concretely relates to pencil sharpener of adjustable nib.

Background

The wide use of pencils has brought about the appearance of corresponding tools. Before the appearance of the pencil sharpener, people use a special knife to sharpen the pencil, but the pencil sharpener is inconvenient to use and the sharpened pencil is not beautiful. The presence of a pencil sharpener simplifies this laborious action, cuts the pencil in a neat manner, and saves more time than a sharpener.

Most pencil sharpeners on the market at present can only sharpen pointed ends or blunt ends, but in the actual use process, everyone has different requirements on the thickness degree of the pencil, and some need particularly sharp and thin pencil points and others need thick and short pencil points. Due to the structural limitation of the existing pencil sharpener, the thickness degree of a pencil point sharpened by a single pencil is completely consistent, and the requirements of different people on the thickness degree of the pencil cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a pencil sharpener of adjustable nib, it can select different thickness gears, the different user demands of adaptation according to actual need.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pencil sharpener of adjustable nib, includes the casing, be equipped with the knife rest in the casing, be equipped with on the knife rest and supply pencil male bell mouth, the tip department of bell mouth is equipped with the dog that is used for supporting the nib, the one end of casing is equipped with the spiral cover, fixedly connected with connecting rod on the knife rest, the one end of connecting rod is equipped with supports the pushing head, support and be equipped with the constant head tank that a plurality of annular distribute on the pushing head, it is a plurality of the constant head tank height is different, the spiral cover is equipped with the push block that supports that corresponds with the constant head tank with the one end that the connecting rod is relative, the connecting rod overcoat is equipped with the reset spring that the constant head tank that makes on the.

As a preferred scheme of the utility model, the spiral cover is including being located the outer rotating head of casing and being located the rotatory section of thick bamboo of casing, rotating head and rotatory section of thick bamboo integrated into one piece are connected, it locates in the rotatory section of thick bamboo to support the ejector pad.

As a preferred scheme of the utility model, the rotating head is equipped with annular spacing groove with the junction of a rotatory section of thick bamboo, be equipped with the spiral cover installation cavity in the casing, one side of spiral cover installation cavity is equipped with the bayonet socket, the spiral cover passes through annular spacing groove and the rotatable installation of cooperation of bayonet socket on the casing.

As a preferred scheme of the utility model, reset spring's one end is contradicted with the lateral wall of spiral cover installation cavity and is connected, and the other end supports to be connected with the lower surface conflict that the connecting rod supported the pushing head.

As an optimized scheme of the utility model, the outer periphery of rotating head is equipped with the anti-skidding bead that the annular distributes.

As an optimized scheme of the utility model, one side of knife rest is equipped with coupling groove, the other end side of connecting rod be equipped with the connection lug of coupling groove adaptation, the connecting rod passes through with the knife rest and is connected lug embedding coupling groove fixed connection.

As a preferred scheme of the utility model, be equipped with the knife rest installation cavity in the casing, the knife rest is mobilizable to be installed in the knife rest installation cavity, dog fixed mounting is in the knife rest installation cavity.

As a preferred scheme of the utility model, one side of knife rest mounting groove is equipped with a bits and collects the chamber, a bits is collected the chamber and is had a bits of writing and pour the mouth, the outside of a bits of writing and pouring the mouth is equipped with keeps off the lid.

As a preferred scheme of the utility model, be equipped with the relative gib block that sets up on the fender cover, the both sides of pouring out the mouth are equipped with the spout that corresponds with the gib block, the outside of spout is equipped with the mouth of slipping, the inboard of spout is equipped with the location arch, be equipped with the positioning groove who corresponds with the location arch on the gib block, during the equipment, the gib block slides in the spout from the mouth of slipping, and the location arch inlays in positioning groove.

As an optimized scheme of the utility model, be equipped with the opening that supplies the bell mouth to expose on the casing, the opening is equipped with the protective cover outward, the open-ended both sides are equipped with the arc guide slot, the both ends slidable mounting of protective cover is in the arc guide slot.

The utility model discloses the during operation through rotatory spiral cover, makes the constant head tank cooperation that supports on the spiral cover ejector pad and have not co-altitude to drive the knife rest through the connecting rod and remove, make the relative dog of bell mouth on the knife rest remove different distances, thereby realize the regulation to the pencil nib.

Compared with the prior art, the utility model have obvious advantage and beneficial effect, particularly, through setting up spiral cover and connecting rod, make the one end and the knife rest fixed connection of connecting rod, set up the constant head tank that a plurality of annular distribute on pushing away the head at the connecting rod, set up the ejector pad that supports that corresponds with the constant head tank on the spiral cover, and set up the dog in the tip department of the bell mouth of knife rest, thereby the accessible is placed the position that the relative dog of spiral cover regulation knife rest, thereby realize the control to pencil plane sharpening degree, satisfy different user demands, moreover, the steam generator is simple in structure, high durability and convenient use.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is an assembly diagram of an embodiment of the present invention;

FIG. 2 is a diagram of the internal assembly structure of an embodiment of the present invention;

fig. 3 is an exploded view of the internal structure of the embodiment of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 2;

FIG. 5 is a view showing the internal structure of the screw cap according to the embodiment of the present invention;

FIG. 6 is a schematic view of an assembly structure of the shield cover according to the embodiment of the present invention;

fig. 7 is an assembly structure diagram of a protecting cover according to an embodiment of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-5, a pencil sharpener capable of adjusting a pencil point comprises a housing 10, a knife rest 30 is arranged in the housing 10, a taper hole 31 for inserting a pencil is formed in the knife rest 30, a stopper 14 for abutting against the pencil point is arranged at the tip of the taper hole 31, a screw cap 20 is arranged at one end of the housing 10, a connecting rod 40 is fixedly connected to the knife rest 30, an abutting head 41 is arranged at one end of the connecting rod 40, a plurality of positioning grooves 42 distributed in an annular shape are formed in the abutting head 41, the heights of the positioning grooves 42 are different, an abutting block 24 corresponding to the positioning grooves 42 is arranged at one end of the screw cap 20 opposite to the connecting rod 40, and a reset spring 50 which enables the positioning grooves 42 on the connecting rod 40 to abut against the abutting block 24 on the screw cap 20 all the time is sleeved outside the connecting rod 40. It should be understood that the positioning slot 42 can also be provided on the screw cap 2, and the pushing block 24 can also be provided on the pushing head 41 of the connecting rod 40.

Specifically, the screw cap 20 includes a rotating head 21 located outside the housing 10 and a rotating cylinder 22 located inside the housing 10, the rotating head 21 and the rotating cylinder 22 are integrally formed and connected, the pushing block 24 is disposed inside the rotating cylinder 22, and the outer circumferential surface of the rotating head 21 is provided with an annular anti-slip protruding edge 25. The junction of rotating head 21 and a rotatory section of thick bamboo 22 is equipped with annular spacing groove 23, be equipped with spiral cover installation cavity 11 in the casing 10, one side of spiral cover installation cavity 11 is equipped with bayonet 19, spiral cover 20 is rotatable to be installed on casing 10 through annular spacing groove 23 and bayonet 19's cooperation. One end of the return spring 50 is connected with the side wall of the spiral cover installation cavity 11 in an abutting mode, and the other end of the return spring is connected with the lower surface of the connecting rod 40 abutting against the pushing head 41 in an abutting mode.

A knife rest mounting cavity 12 is formed in the shell 10, the knife rest 30 is movably mounted in the knife rest mounting cavity 12, and the stop block 14 is fixedly mounted in the knife rest mounting cavity 12. A connecting groove 32 is formed in one side of the tool rest 30, a connecting bump 43 matched with the connecting groove 32 is formed in the side face of the other end of the connecting rod 40, and the connecting rod 40 and the tool rest 30 are fixedly connected through the connecting bump 43 embedded into the connecting groove 32.

One side of knife rest 30 mounting groove is equipped with a bits and collects chamber 13, a bits is collected chamber 13 and is had a bits of a writing and pours out the mouth, the outside of a bits of a writing and pouring out the mouth is equipped with fender lid 60. As shown in fig. 6, the blocking cover 60 is provided with guide strips 61 arranged oppositely, sliding grooves 16 corresponding to the guide strips 61 are arranged on two sides of the pen waste pouring opening, sliding openings are arranged on the outer sides of the sliding grooves 16, positioning protrusions 17 are arranged on the inner sides of the sliding grooves 16, positioning grooves 62 corresponding to the positioning protrusions 17 are arranged on the guide strips 61, during assembly, the guide strips 61 slide into the sliding grooves 16 from the sliding openings, and the positioning protrusions 17 are embedded in the positioning grooves 62. It is understood that the positioning groove 62 may be provided in the slide groove 16, and the positioning protrusion 17 may be provided on the guide strip 61.

As shown in fig. 7, an opening for exposing the tapered hole 31 is formed in the housing 10, a protective cover 70 is disposed outside the opening, arc-shaped guide grooves 18 are formed in two sides of the opening, and two ends of the protective cover 70 are slidably mounted in the arc-shaped guide grooves 18 and can slide in the arc-shaped guide grooves, so that the opening is closed and opened.

The utility model discloses the during operation, through rotatory spiral cover 20, make the constant head tank 42 cooperation that supports ejector pad 24 and have not co-altitude on the spiral cover 20 to drive knife rest 30 through connecting rod 40 and remove, make the relative dog 14 of bell mouth 31 on the knife rest 30 remove different distances, thereby realize the regulation to the pencil nib.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a pencil-knife of adjustable nib which characterized in that: the motor casing, be equipped with the knife rest in the casing, be equipped with on the knife rest and supply pencil male bell mouth, the tip department of bell mouth is equipped with the dog that is used for supporting the nib, the one end of casing is equipped with the spiral cover, fixedly connected with connecting rod on the knife rest, the one end of connecting rod is equipped with supports the pushing head, it is equipped with the constant head tank that a plurality of annular distribute on the pushing head to, and is a plurality of the constant head tank height is different, the spiral cover is equipped with the push block that supports that corresponds with the constant head tank with the one end that the connecting rod is relative, the connecting rod overcoat is equipped with the reset spring that the constant head tank that makes on the connecting rod contradict.

2. An adjustable nib pencil sharpener as claimed in claim 1 wherein: the spiral cover comprises a rotating head and a rotating cylinder, the rotating head is located outside the shell, the rotating cylinder is located in the shell, the rotating head and the rotating cylinder are integrally formed and connected, and the pushing block is arranged in the rotating cylinder.

3. An adjustable nib pencil sharpener as claimed in claim 2 wherein: the rotary head is characterized in that an annular limiting groove is formed in the joint of the rotary head and the rotary cylinder, a spiral cover installation cavity is formed in the shell, a bayonet is arranged on one side of the spiral cover installation cavity, and the spiral cover is rotatably installed on the shell through the matching of the annular limiting groove and the bayonet.

4. An adjustable nib pencil sharpener as claimed in claim 3 wherein: one end of the reset spring is in abutting connection with the side wall of the spiral cover mounting cavity, and the other end of the reset spring is in abutting connection with the lower surface of the connecting rod abutting push head.

5. An adjustable nib pencil sharpener as claimed in claim 2 wherein: the outer circumference of the rotating head is provided with anti-skidding convex edges which are distributed annularly.

6. An adjustable nib pencil sharpener as claimed in claim 1 wherein: one side of the knife rest is provided with a connecting groove, the side face of the other end of the connecting rod is provided with a connecting lug matched with the connecting groove, and the connecting rod and the knife rest are fixedly connected through the connecting lug embedded into the connecting groove.

7. An adjustable nib pencil sharpener as claimed in claim 1 wherein: the novel tool rest is characterized in that a tool rest mounting cavity is formed in the shell, the tool rest is movably mounted in the tool rest mounting cavity, and the stop block is fixedly mounted in the tool rest mounting cavity.

8. An adjustable nib pencil sharpener as claimed in claim 7 wherein: one side of knife rest mounting groove is equipped with a bits and collects the chamber, a bits is collected the chamber and is had a bits of writing and pour the mouth, the outside of a bits of writing and pouring the mouth is equipped with the fender lid.

9. An adjustable nib pencil sharpener as claimed in claim 8 wherein: the utility model discloses a writing brush, including the fender, the fender is covered and is equipped with the gib block that sets up relatively, the both sides of pouring out the mouth are equipped with the spout that corresponds with the gib block, the outside of spout is equipped with the mouth of sliding into, the inboard of spout is equipped with the location arch, be equipped with the positioning groove who corresponds with the location arch on the gib block, during the equipment, the gib block slides into the spout from the mouth of sliding into, and the location arch inlays in positioning groove.

10. An adjustable nib pencil sharpener as claimed in claim 1 wherein: be equipped with the opening that supplies the bell mouth to expose on the casing, the opening is equipped with the protective cover outward, the open-ended both sides are equipped with the arc guide slot, the both ends slidable mounting of protective cover is in the arc guide slot.

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