CN215552203U

CN215552203U - Crank handle structure of pencil sharpener

Info

Publication number: CN215552203U
Application number: CN202121026030.1U
Authority: CN
Inventors: 陈伟建
Original assignee: Ningbo Feimili Stationery Co ltd
Current assignee: Ningbo Feimili Stationery Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-01-18
Anticipated expiration: 2031-05-13

Abstract

A crank structure of a pencil sharpener comprises a rocker and a handle, wherein the handle is rotatably and foldingly arranged at the lower end of the rocker, a strip-shaped hollow part is formed in the lower end of the rocker along the length direction, and when the handle rotates upwards, the handle can be folded in the strip-shaped hollow part of the rocker. The bar fretwork is seted up to the lower extreme of rocking arm, and rotatable folding setting of handle is in the bar fretwork, and when not using, the handle is folded in the rocking arm like this, does not occupy any space, convenient storage, during the use, as long as outwards rotate the handle can. The utility model has the advantages of simpler and more compact structure, very convenient use, low cost, less occupied space and more convenient packaging, storage and carrying.

Description

Crank handle structure of pencil sharpener

Technical Field

The utility model relates to stationery, in particular to a pencil sharpener, and more particularly relates to a crank handle structure of the pencil sharpener.

Background

The pencil sharpener is popular among students as a pencil sharpening tool, generally comprises a main body, a pencil clamping mechanism, a knife rest and a rocker arm, when in use, a pencil is fixed by the pencil clamping mechanism, and the pencil can be sharpened by shaking the crank handle by hands. But the handle of traditional crank structure is collapsible, and the handle is all protruding to be established at the lower extreme of rocking arm usually for it is bulky, pack and accomodate not very convenient.

According to inspection, the Chinese patent 'a pencil sharpener' with the prior patent number of 201220474278.9 comprises a pencil sharpener body, wherein a rotary knife rest and a scrap box are arranged in the pencil sharpener body, a connecting piece is arranged at the rear part of the pencil sharpener body, a rocker arm connected through a rotating shaft is arranged on the outer side of the connecting piece, and a handle is arranged on the inner side of the rocker arm; the lower side of the rear part of the pencil sharpener body is provided with a containing hole matched with the handle. This structure is inboard at the rocking arm with the handle setting, and the rocking arm upwards rotates when targetting in place through the pivot, can hold the handle and operate, though made things convenient for and accomodate, but the structure is simple inadequately, needs add the pivot structure, and is with high costs, and the operation is also inconvenient inadequately moreover.

Also, chinese patent No. 201420273867.X "an ergonomic ware of cutting", including cutting a ware shell, pencil sharpener rocking handle and folding handle, folding handle is rectangular shape, and length is greater than normal palm width, be connected through the connecting piece between folding handle and the pencil sharpener rocking handle, connecting piece one end is rotated with pencil sharpener rocking handle and is connected, and the other end is connected with folding handle joint, but folding handle relative connecting piece 90 joint activity. The handle of this structure can 90 folding, convenient storage, but hugs closely in the rocking handle surface after its handle is folded, but the handle also has certain thickness, structurally can also further improve.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a crank structure of a pencil sharpener, which has a simpler and more compact structure and is more convenient to use and store, aiming at the technical current situation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a crank structure of sharpener, includes rocking arm and handle, its characterized in that: the handle is rotatably and foldingly arranged at the lower end of the rocker arm, a strip-shaped hollow is formed in the lower end of the rocker arm along the length direction, and when the handle rotates upwards, the handle can be folded in the strip-shaped hollow of the rocker arm.

As an improvement, the upper end of the rocker arm is of a circular ring structure in transmission connection with a hob assembly of the pencil sharpener, and the lower end of the rocker arm is of a long strip shape.

Furthermore, the handle is a cylindrical structure formed by assembling a handle body, an outer sleeve and a connecting cover.

Still further, the length of the strip-shaped hollow is greater than that of the handle.

Furthermore, one end of the handle body is radially provided with a through hole which is communicated with the left and right, the inner wall of the strip-shaped hollow part is provided with a corresponding connecting pin hole on the left and right inner walls, and the handle and the rocker arm are rotatably connected together through the connecting pin.

And when the handle rotates upwards to take in the strip-shaped hollow parts and the rocker arm is folded, the handle is limited through the matching of the plane and the limiting baffle.

Furthermore, the handle body is provided with positioning holes at two sides above the same end as the through hole, the inner wall of the strip-shaped hollow of the rocker arm is convexly provided with clamping points matched with the positioning holes, and when the handle is unfolded, the handle is positioned through the matching of the positioning holes and the clamping points.

And furthermore, the other end of the grip body is a reduced cylindrical section, and the outer sleeve is sleeved outside the reduced cylindrical section and is smoothly flush with the outer surface of the grip body.

Still further, the cylinder section terminal surface of undergauge is equipped with a connecting hole, and the connecting cover inboard is equipped with corresponding spliced pole, and the connecting cover is fixed at the handle body end through the cooperation of spliced pole and connecting hole.

Finally, the outer sleeve is convenient for the silica gel sleeve of holding, and the outer sleeve adopts different colours with the handle body.

Compared with the prior art, the utility model has the advantages that: the bar fretwork is seted up to the lower extreme of rocking arm, and rotatable folding setting of handle is in the bar fretwork, and when not using, the handle is folded in the rocking arm like this, does not occupy any space, convenient storage, during the use, as long as with the handle outwards rotatory can. The utility model has the advantages of simpler and more compact structure, very convenient use, low cost, less occupied space and more convenient packaging, storage and carrying.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a schematic structural view of the embodiment of the present invention in a folded state of the handle;

fig. 5 is a longitudinal sectional view of fig. 4.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, a crank structure of a pencil sharpener comprises a rocker arm 1 and a handle 2, wherein the handle 2 is rotatably and foldingly arranged at the lower end of the rocker arm 1, a strip-shaped hollow 10 is arranged at the lower end of the rocker arm 1 along the length direction, and when the handle 2 rotates upwards, the handle 2 can be folded in the strip-shaped hollow 10 of the rocker arm 1.

The concrete structure is as follows: the upper end of the rocker arm 1 is of an annular structure 11 in transmission connection with a hob assembly of the pencil sharpener, the lower end of the rocker arm 1 is of a long strip shape 12, the grip 2 is of a cylindrical structure formed by assembling a grip body 21, an outer sleeve 22 and a connecting cover 23, the length of the strip-shaped hollow 10 is larger than that of the grip 2, and the upper end and the lower end of the strip-shaped hollow 10 are concave cambered surfaces matched with the grip 2; the lower end of the handle body 21 is radially provided with a through hole 211 which is communicated from left to right, the left inner wall and the right inner wall of the lower end of the strip-shaped hollow 10 are provided with corresponding connecting pin holes 14, and the handle 2 and the rocker arm 1 are rotatably connected together through a connecting pin 3; an inscribed plane 212 is arranged on one side of the same end of the handle body 21 as the through hole 211, a limiting baffle 13 matched with the plane 212 is convexly arranged on the rocker arm 1 corresponding to the rear side of the lower end of the strip-shaped hollow 10, positioning holes 214 are arranged on two sides of the same end of the handle body 21 as the through hole 211, a clamping point 15 matched with the positioning holes 214 is convexly arranged on the inner wall of the strip-shaped hollow 10 of the rocker arm 1, when the handle 2 rotates upwards to be put into the strip-shaped hollow 10 and is folded with the rocker arm 1, the handle 2 is limited by the matching of the plane 212 and the limiting baffle 13, and when the handle 2 is unfolded from the rocker arm, the handle is positioned by the matching of the positioning holes 214 and the clamping point 15; the other end of the grip body 2 is a reduced cylindrical section 213, the outer sleeve 22 is sleeved outside the reduced cylindrical section 213 and is smoothly flush with the outer surface of the grip body 21, a connecting hole 215 is arranged on the end surface of the reduced cylindrical section 213, a corresponding connecting column 231 is arranged on the inner side of the connecting cover 23, and the connecting cover 23 is fixed at the tail end of the grip body 21 through the matching of the connecting column 231 and the connecting hole 215; the outer sleeve 22 is a silica gel sleeve convenient for holding by hand, and the outer sleeve 22 and the grip body 21 are different in color, so that the structure is very attractive.

During the use, with the outside cooperation location of locating hole 214 with screens point 15 of outside rotatory handle 2, can hold handle 21 and rock the crank and cut the pencil, after the use, with the inside rotation of handle 2, make its income rocking arm 1 in the bar fretwork 10, do not occupy any space, conveniently carry and accomodate.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a crank structure of sharpener, includes rocking arm (1) and handle (2), its characterized in that: the handle (2) is rotatably and foldingly arranged at the lower end of the rocker arm (1), a strip-shaped hollow part (10) is formed in the lower end of the rocker arm (1) along the length direction, and when the handle (2) rotates upwards, the handle (2) can be folded in the strip-shaped hollow part (10) of the rocker arm (1).

2. The crank arrangement of claim 1, wherein: the upper end of the rocker arm (1) is of a circular ring structure (11) in transmission connection with a hob assembly of the pencil sharpener, and the lower end of the rocker arm (1) is of a long strip shape (12).

3. The crank arrangement of claim 1, wherein: the grip (2) is a cylindrical structure formed by assembling a grip body (21), an outer sleeve (22) and a connecting cover (23).

4. The crank arrangement of claim 1, wherein: the length of the strip-shaped hollow part (10) is greater than that of the handle (2).

5. The crank arrangement of claim 3, wherein: one end of the handle body (21) is radially provided with a through hole (211) which is through from left to right, the left inner wall and the right inner wall of the lower end of the strip-shaped hollow part (10) are provided with corresponding connecting pin holes (14), and the handle (2) is rotatably connected with the rocker arm (1) through a connecting pin (3).

6. The crank arrangement of claim 3, wherein: one side of the same end of the handle body (21) as the through hole (211) is provided with an inner tangent plane (212), the rear side of the lower end of the rocker arm (1) corresponding to the strip-shaped hollow (10) is provided with a limit baffle (13) matched with the plane (212), and when the handle (2) rotates upwards to take in the strip-shaped hollow (10) and the rocker arm (1) to be folded, the handle is limited by the matching of the plane (212) and the limit baffle (13).

7. The crank arrangement of claim 3, wherein: the handle body (21) is provided with positioning holes (214) at the two sides above the same end with the through hole (211), the inner wall of the strip-shaped hollow part (10) of the rocker arm (1) is convexly provided with clamping points (15) matched with the positioning holes (214), and when the handle (2) is unfolded, the handle is positioned through the matching of the positioning holes (214) and the clamping points (15).

8. The crank arrangement of claim 3, wherein: the other end of the grip body (21) is a reducing cylindrical section (213), and the outer sleeve (22) is sleeved outside the reducing cylindrical section (213) and is smoothly flush with the outer surface of the grip body (21).

9. The crank arrangement of claim 8, wherein: the cylindrical section (213) terminal surface of undergauge is equipped with a connecting hole (215), connects lid (23) inboard and is equipped with corresponding spliced pole (231), connects lid (23) and fixes at handle body (21) end through the cooperation of spliced pole (231) with connecting hole (215).

10. The crank arrangement of claim 3, wherein: the outer sleeve (22) is a silica gel sleeve convenient for holding, and the outer sleeve (22) and the grip body (21) are different in color.