Variable-diameter porous pencil sharpener

Abstract

The utility model discloses a variable-diameter porous pencil sharpener, which relates to the field of pencil sharpeners and comprises a pencil sharpener box body, a sealing top cover is arranged on the outer surface of the upper end of the pencil sharpener box body, a covering plate is arranged on the outer surface of one end of the sealing top cover, and a cleaning opening and closing plate is arranged on the outer surface of the front end of the pencil sharpener box body. The pencil sharpener comprises a sealing top cover, a pencil hole is formed in the middle of the sealing top cover, a sharpening body is arranged on the outer surface of the lower end of the sealing top cover, a built-in groove is formed in the middle of the sharpening body, a blade is arranged in the middle of the built-in groove, and a limiting adjusting rod is arranged on the outer surface of the rear end of the sealing top cover. According to the variable-diameter multi-hole pencil sharpener, the arranged limiting adjusting rod penetrates into the pencil hole in the using process, the effect of limiting a pencil inserted into the pencil hole can be achieved through the arc-shaped limiting blocking piece at one end, the arc-shaped limiting blocking piece can be elastically pressed through the limiting spring to be attached to the surface of the pencil, and the space in the diameter of the pencil hole can be conveniently adjusted; and pencils with different diameter sizes can be conveniently adapted.

Description

Technical Field

[0001] The utility model relates to the field of pencil sharpeners, in particular to a variable-diameter multi-hole pencil sharpener. Background Art

[0002] A pencil sharpener, also known as a pencil cutter, is a tool for sharpening pencils and is an essential stationery for students. There are two styles of pencil sharpeners: single-hole and double-hole. From the perspective of materials, pencil sharpeners are made of plastic, wood, metal, ceramic, etc. Most pencil sharpeners are made of plastic, which is more common. However, existing pencil sharpeners have certain inconveniences when used.

[0003] A pencil sharpener is disclosed in Chinese utility model patent application No.: CN201920258470.6, comprising a barrel and a barrel cover detachably arranged on the top of the barrel, the pencil sharpener also comprising a brush movably arranged on the barrel cover, the brush having a storage position fixedly arranged at the lower part of the barrel cover to store the brush and a cleaning position in which the bristles of the brush protrude from the outside of the barrel cover to clean the pencil shavings; when the brush is located at the storage position, the brush is completely stored in the lower part of the barrel cover without affecting the buckling of the barrel cover and the barrel; when the brush is located at the cleaning position, the bristles protruding from the outside of the barrel cover can be used to clean the pencil shavings scattered on the desktop, effectively preventing the loss of the brush during the placement of the pencil sharpener; thereby solving the problem of inconvenient pencil shavings cleaning in the prior art, but the pencil sharpener cannot be adjusted according to the diameter of the pencil when in use, has poor adaptability to the pencil, and has certain limitations in use. For this reason, we propose a variable diameter multi-hole pencil sharpener. Utility Model Content

[0004] The main purpose of the utility model is to provide a variable diameter multi-hole pencil sharpener, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a variable diameter multi-hole pencil sharpener, comprising a pencil sharpener box body, a sealed top cover is provided on the upper end outer surface of the pencil sharpener box body, a covering plate is provided on the one end outer surface of the sealed top cover, a cleaning opening and closing plate is provided on the front end outer surface of the pencil sharpener box body, a pen hole is provided in the middle of the sealed top cover, a curling body is provided on the lower end outer surface of the sealed top cover, a built-in groove is provided in the middle of the curling body, a blade is provided in the middle of the built-in groove, a limit adjustment rod is provided on the rear end outer surface of the sealed top cover, an arc-shaped limit blocking piece is provided on the one end outer surface of the limit adjustment rod, and a limit spring is provided between the arc-shaped limit blocking piece and the pen hole.

[0006] Preferably, the upper outer surface of the pencil sharpener box body is detachably connected to the lower outer surface of the sealing top cover, and the front end outer surface of the pencil sharpener box body is movably connected to the outer surface of one end of the cleaning opening and closing plate.

[0007] Preferably, the sealing top cover and the pen hole are an integrally formed structure, the number of the pen holes is two groups, and the outer surface of one end of the sealing top cover is movably connected to the outer surface of one end of the covering plate.

[0008] Preferably, the lower outer surface of the sealing top cover is fixedly connected to the upper outer surface of the rolling body, the rolling body and the built-in groove are an integrally formed structure, and the inner surface of one end of the built-in groove is fixedly connected to the outer surface of one end of the blade.

[0009] Preferably, the rear end outer surface of the sealing top cover is movably connected to the outer surface of one end of the limit adjustment rod, the number of the limit adjustment rods is two groups, and the limit adjustment rods penetrate the sealing top cover.

[0010] Preferably, an outer surface of one end of the limit adjustment rod is detachably connected to an outer surface of one end of the arc-shaped limit blocking piece, and the arc-shaped limit blocking piece is detachably connected to the pen hole via a limit spring. Beneficial Effects

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The limit adjustment rod is set to penetrate into the pen hole when in use, and can limit the pencil inserted into the pen hole through the arc-shaped limit blocking piece at one end, and the arc-shaped limit blocking piece can be pressed by the limit spring to fit the surface of the pencil, so that the inner diameter space of the pen hole can be adjusted, and it is convenient to adapt to pencils of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a structural diagram of the sealing top cover 2 of the utility model;

[0015] Figure 3 This is a top view of the sealing top cover 2 of the utility model;

[0016] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0017] In the figure: 1. Pencil sharpener box body; 2. Sealed top cover; 3. Cover plate; 4. Cleaning opening and closing plate; 5. Pen hole; 6. Sharpening body; 7. Built-in groove; 8. Blade; 9. Limit adjustment rod; 10. Arc-shaped limit baffle; 11. Limit spring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-4 As shown, a variable diameter multi-hole pencil sharpener comprises a pencil sharpener box body 1, a sealing top cover 2 is provided on the upper end outer surface of the pencil sharpener box body 1, a covering plate 3 is provided on the outer surface of one end of the sealing top cover 2, a cleaning opening and closing plate 4 is provided on the front end outer surface of the pencil sharpener box body 1, a pen hole 5 is provided in the middle of the sealing top cover 2, a sharpening body 6 is provided on the outer surface of the lower end of the sealing top cover 2, a built-in groove 7 is provided in the middle of the sharpening body 6, a blade 8 is provided in the middle of the built-in groove 7, a limit adjustment rod 9 is provided on the outer surface of the rear end of the sealing top cover 2, and an arc-shaped limit stopper 10 is provided on the outer surface of one end of the limit adjustment rod 9 A limiting spring 11 is provided between the arc-shaped limiting baffle 10 and the pen hole 5; the upper end outer surface of the pencil sharpener box body 1 is detachably connected to the lower end outer surface of the sealing top cover 2, and the front end outer surface of the pencil sharpener box body 1 is movably connected to the outer surface of one end of the cleaning opening and closing plate 4, and the cleaning opening and closing plate 4 can be used to discharge the pencil shavings collected in the pencil sharpener box body 1; the sealing top cover 2 and the pen hole 5 are an integrally formed structure, and the number of the pen holes 5 is two groups. The outer surface of one end of the sealing top cover 2 is movably connected to the outer surface of one end of the covering plate 3, and the pen hole 5 can be used to discharge the pencil when in use. The outer surface of the lower end of the sealing top cover 2 is fixedly connected with the outer surface of the upper end of the curling body 6, and the curling body 6 and the built-in groove 7 are an integrally formed structure. The inner surface of one end of the built-in groove 7 is fixedly connected with the outer surface of one end of the blade 8. When in use, the curling body 6 can cut the skin of the pencil through the blade 8 in the built-in groove 7; the outer surface of the rear end of the sealing top cover 2 is movably connected with the outer surface of one end of the limit adjustment rod 9, and the number of the limit adjustment rod 9 is two groups. The limit adjustment rod 9 passes through the sealing top cover 2. When in use, the limit adjustment rod 9 passes through the pencil The arc-shaped limit baffle 10 at one end can limit the pencil inserted into the pen hole 5, and the arc-shaped limit baffle 10 can be pressed by the limit spring 11 to fit on the surface of the pencil, which can facilitate the adjustment of the inner diameter space of the pen hole 5 and facilitate the adaptation of pencils of different diameters; the outer surface of one end of the limit adjustment rod 9 is detachably connected to the outer surface of one end of the arc-shaped limit baffle 10, and the arc-shaped limit baffle 10 is detachably connected to the pen hole 5 through the limit spring 11. When in use, the arc-shaped limit baffle 10 can fit on the surface of the pencil to limit the pencil.

[0020] It should be noted that the utility model is a variable diameter multi-hole pencil sharpener. When in use, the pencil to be sharpened can be inserted into the pen hole 5, and the pencil can be inserted into the built-in groove 7 through the pen hole 5. When passing through the pen hole 5, the arc-shaped limit blocking piece 10 in the pen hole 5 will be pressed by the limit spring 11 to fit on the surface of the pencil, and the pencil can be pushed to fit closely to the position of the blade 8. At this time, the pencil can be rotated to allow the blade 8 to sharpen its surface. The pencil can be rotated between the arc-shaped limit blocking piece 10 and the pen hole 5 to complete the sharpening. The debris generated by the sharpening can enter the pencil sharpener box body 1, and then the cleaning opening and closing plate 4 can be opened to clean it, which is more practical.

[0021] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A variable diameter multi-hole pencil sharpener, comprising a pencil sharpener box (1), characterized in that: The upper outer surface of the pencil sharpener box body (1) is provided with a sealing top cover (2), one end outer surface of the sealing top cover (2) is provided with a covering plate (3), the front end outer surface of the pencil sharpener box body (1) is provided with a cleaning opening and closing plate (4), the middle of the sealing top cover (2) is provided with a pen hole (5), the lower outer surface of the sealing top cover (2) is provided with a sharpening body (6), the middle of the sharpening body (6) is provided with a built-in groove (7), the middle of the built-in groove (7) is provided with a blade (8), the rear end outer surface of the sealing top cover (2) is provided with a limit adjustment rod (9), one end outer surface of the limit adjustment rod (9) is provided with an arc-shaped limit blocking piece (10), and a limit spring (11) is provided between the arc-shaped limit blocking piece (10) and the pen hole (5).

2. The variable diameter multi-hole pencil sharpener according to claim 1, characterized in that: The upper outer surface of the pencil sharpener box body (1) is detachably connected to the lower outer surface of the sealing top cover (2), and the front outer surface of the pencil sharpener box body (1) is movably connected to the outer surface of one end of the cleaning opening and closing plate (4).

3. The variable diameter multi-hole pencil sharpener according to claim 1, characterized in that: The sealing top cover (2) and the pen hole (5) are an integrally formed structure, the number of the pen holes (5) is two groups, and the outer surface of one end of the sealing top cover (2) is movably connected to the outer surface of one end of the covering plate (3).

4. The variable diameter multi-hole pencil sharpener according to claim 1, characterized in that: The outer surface of the lower end of the sealing top cover (2) is fixedly connected to the outer surface of the upper end of the rolling body (6); the rolling body (6) and the built-in groove (7) are an integrally formed structure; the inner surface of one end of the built-in groove (7) is fixedly connected to the outer surface of one end of the blade (8).

5. The variable diameter multi-hole pencil sharpener according to claim 1, characterized in that: The rear end outer surface of the sealing top cover (2) is movably connected to the outer surface of one end of the limit adjustment rod (9), the limit adjustment rod (9) is provided in two groups, and the limit adjustment rod (9) passes through the sealing top cover (2).

6. The variable diameter multi-hole pencil sharpener according to claim 1, characterized in that: The outer surface of one end of the limit adjustment rod (9) is detachably connected to the outer surface of one end of the arc-shaped limit blocking piece (10), and the arc-shaped limit blocking piece (10) is detachably connected to the pen hole (5) via a limit spring (11).

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