CN214727768U

CN214727768U - Outer casing mounting structure of pencil sharpener

Info

Publication number: CN214727768U
Application number: CN202120536917.9U
Authority: CN
Inventors: 娄宗茂
Original assignee: Jinyi Stationery Co ltd
Current assignee: Jinyi Stationery Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-16
Anticipated expiration: 2031-03-15

Abstract

The utility model relates to a pencil sharpener technical field discloses a pencil sharpener's shell mounting structure, including: a cover body; the connecting piece is detachably connected with the cover body and is provided with a first connecting part along the circumferential direction; the inner wall of the shell is provided with a notch and a second connecting part adjacent to the notch; the first connecting part can pass through the notch and is connected with the second connecting part. The utility model has the advantages that the shell has fewer parts and is easy to assemble and disassemble, and the buckling and the separation of the shell and the cover body can be realized only by rotating the cover body or the shell body; through setting up the connecting piece, make lid and casing connection structure stable.

Description

Outer casing mounting structure of pencil sharpener

Technical Field

The utility model relates to a pencil sharpener technical field especially relates to a pencil sharpener's shell mounting structure.

Background

The pencil sharpener is liked by students as a pencil sharpening tool, and the pencil sharpener generally comprises a cutter component and a shell, and the cutter component is installed in the shell, so that the pencil sharpener is convenient to disassemble and assemble and replace the cutter, and the shell is generally arranged in a split mode. The components of the shell of the existing pencil sharpener are usually connected with the clamping block through interference fit or clamping grooves, the components are easily connected insecurely due to repeated twisting, the positioning is inaccurate during installation, the overall structure of the shell is unstable, and the service life is short.

For example, patent "CN 210026839U" discloses a housing assembly of a pencil sharpener, comprising: the top of the upper shell is provided with a first arc surface and a second arc surface which are connected; the first arc surface is downwards concave, the second arc surface is upwards convex, and the first arc surface and the second arc surface are connected with a positioning ring; a plurality of clamping blocks are arranged at the bottom of the upper shell; the top cover is sleeved on the positioning ring, and the bottom of the top cover is provided with a third arc surface and a fourth arc surface which are connected; the third arc surface is attached to the first arc surface, and the fourth arc surface is attached to the second arc surface; the clamping device comprises an upper shell, a lower shell, a clamping block and a clamping block, wherein the upper shell is arranged above the lower shell; and a bottom cover disposed below the lower case. The shell component is connected with the clamping groove through the positioning ring and the clamping block, the whole structure is complex, and the connecting structure of the positioning ring is unstable; the outer shell part is more, and the pencil sharpener dismouting is loaded down with trivial details, and the installation of knife rest assembly is not convenient for.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a pencil sharpener with stable structure and less parts.

The utility model provides a technical scheme that its technical problem adopted is, provides a shell mounting structure of pencil sharpener, including:

a cover body;

the connecting piece is detachably connected with the cover body, and a first connecting part is arranged on the connecting piece along the circumferential direction of the connecting piece;

the inner wall of the shell is provided with a notch and a second connecting part adjacent to the notch; the first connecting part can pass through the notch and is connected with the second connecting part.

Further, the first connecting part comprises a first inclined block, and the sectional area of the first inclined block gradually decreases from the side close to the notch to the side far away from the notch;

the second connecting portion comprises a second inclined block, the sectional area of the second inclined block gradually increases from being close to the notch to being far away from the notch side, and the first inclined block is movably abutted to the second inclined block.

Furthermore, a protruding block is arranged on one of the first inclined block and the second inclined block, a groove is arranged on the other of the first inclined block and the second inclined block, and the protruding block is movably arranged in the groove.

Furthermore, the second connecting part also comprises a limiting block, and the limiting block is connected with one end, far away from the notch, of the second inclined block; and the end surface of the first inclined block is abutted against the side surface of the limiting block.

Furthermore, a through hole is formed in the shell, the notch is communicated with the through hole, and the connecting piece penetrates through the through hole and is contained in the shell.

Furthermore, a first arc surface and a second arc surface which are connected are arranged at the bottom of the cover body, the first arc surface is downwards concave, and the second arc surface is upwards convex;

the top of the shell is provided with a third arc surface and a fourth arc surface which are connected, the third arc surface is attached to the first arc surface, and the fourth arc surface is attached to the second arc surface.

Further, the shell is connected with the cover body along the direction from the bottom of the first arc surface to the top of the second arc surface.

Furthermore, a plurality of mounting parts are arranged on the cover body, a plurality of mounting holes are arranged on the connecting piece, and the connecting piece is mounted on the cover body through screws; and the screw rod of the screw penetrates through the mounting hole and is arranged in the mounting part.

Furthermore, the number of the first connecting parts and the second connecting parts is at least two, and the first connecting parts are adjacent to the mounting holes.

Further, still include the mount pad, set up the lid with between the connecting piece, be equipped with the bar hole on the mount pad, the installation department wears to establish in the bar hole.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

in the utility model, the shell mounting structure mainly comprises a cover body and a shell body, the cover body is connected with the shell body through a connecting piece, the whole structure is simple, the number of parts is small, and the disassembly and the assembly are convenient; the connecting piece is fixed on the cover body through screws and the like, when the shell is disassembled and assembled, the cover body or the shell body is screwed, so that the cover body and the shell body rotate relatively, the shell and the cover body can be fixed, and after the shell and the cover body are fixed, the cover body or the shell body is screwed in the opposite direction, so that the cover body and the shell can be disassembled, the operation is simple, and the use is convenient; the contact surfaces of the cover body and the shell are both arranged into cambered surfaces, and have guiding and positioning functions; the connecting piece is accommodated between the cover body and the shell, and the overall structure of the pencil sharpener is not influenced; the first inclined block and the second inclined block are respectively provided with a convex block and a groove, so that the cover body and the connecting piece are connected more stably; and one end of the second inclined block is connected with a limiting block to ensure that the convex block is accurately matched with the groove, so that the cover body and the shell body can be conveniently screwed.

Drawings

Fig. 1 is a schematic view of the overall structure of the housing mounting structure of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic structural view of the first arc surface and the second arc surface;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a side view of FIG. 3;

FIG. 6 is a schematic view of the connection between the cover and the connector;

FIG. 7 is a schematic view of the connection between the connector and the housing;

fig. 8 is an exploded view of the housing mounting structure with the housing removed.

In the figure:

1. a cover body; 10. a first arc surface; 11. a second arc surface; 12. an installation part;

2. a connecting member; 20. a first connection portion; 21. mounting holes; 200. a first sloped wall; 201. a bump;

3. a housing; 30. a notch; 31. a second connecting portion; 32. a through hole; 33. a third arc surface; 34. a fourth arc surface; 310. a second sloped wall; 311. a groove; 312. a limiting block;

4. a mounting seat; 40. and (4) strip-shaped holes.

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, a housing mounting structure of a pencil sharpener comprises a cover 1, a connector 2 and a housing 3. Wherein, lid 1 and connecting piece 2 can be dismantled and be connected, and be equipped with first connecting portion 20 on connecting piece 2, be equipped with breach 30 and the second connecting portion 31 adjacent with breach 30 on the inner wall of casing 3, first connecting portion 20 can pass breach 30 and be connected with second connecting portion 31, make lid 1 and casing 3 link to each other, form wedge fit through first connecting portion 20 and second connecting portion 31, twist lid 1 or casing 3 and can make both screw up or loosen, overall structure is simple, and convenient to use.

In practical use, the first connecting portion 20 is arranged along the circumferential direction of the connecting member 2, and the first connecting portion 20 includes the first sloping block 200, and the second connecting portion 31 includes the second sloping block 310; when the first connecting portion 20 is connected with the second connecting portion 31, the sectional area of the first sloping block 200 gradually decreases from being close to the notch 30 to being far away from the notch 30, and the sectional area of the second sloping block 310 gradually increases from being close to the notch 30 to being far away from the notch 30, that is, the first connecting portion 20 is movably abutted against the second connecting portion 31 through the first sloping block 200 and the second sloping block 310, and the second sloping block 310 gradually inclines from being close to the notch 30 to being far away from the notch 30, so that the first sloping block 200 can conveniently enter from the notch 30.

Preferably, a protrusion 201 is provided on one of the first and second swash blocks 200 and 310, a groove 311 is provided on the other of the first and second swash blocks 200 and 310, and the protrusion 201 is movably provided in the groove 311. In practice, the projection 201 is arranged on the connecting piece 2, the groove 311 is arranged on the shell 3, and the connecting piece 2 is small, so that when the projection 201 is worn, only the connecting piece needs to be replaced; the protrusion 201 is engaged with the groove 311, so as to ensure the stability of the connection between the cover 1 and the housing 3.

Preferably, the second connecting portion 31 further includes a limiting block 312, and the limiting block 312 is connected to one end of the second inclined block 311 away from the notch 30; when the first sloping block 200 is matched with the second sloping block 310, the end face of the first sloping block 200 is abutted against the side face of the limiting block 312, so that the projection 201 on the first sloping block 200 is positioned in the groove 311, the shell 3 and the cover body 1 can be prevented from being dislocated, the screwing process of the cover body 1 or the shell 3 is limited, and the connecting piece 2 or the shell 3 is prevented from being damaged due to excessive screwing.

As shown in fig. 2-7, the housing 3 is provided with a through hole 32, the notch 30 is communicated with the through hole 32, and when the cover 1 is connected to the housing 3, the connecting member 2 passes through the through hole 32 and is accommodated in the housing 3, so that the first inclined block 200 abuts against the second inclined block 310 at one side inside the housing 3.

Preferably, the bottom of the cover body 1 is provided with a first arc surface 10 and a second arc surface 11 which are connected, the first arc surface 10 is concave downwards, and the second arc surface 11 is convex upwards; the top of the shell 3 is provided with a third arc surface 33 and a fourth arc surface 34 which are connected, the third arc surface 33 is attached to the first arc surface 10, and the fourth arc surface 34 is attached to the second arc surface 11.

During actual installation, the shell 3 is connected with the cover body 3 along the bottom of the first arc surface 10 to the top of the second arc surface 11, namely the shell 3 is connected with the cover body 1 through the arc surfaces, so that the cover body 1 or the shell 3 can be screwed more smoothly; when the top of the fourth arc surface 34 is attached to the bottom of the second arc surface 11, the first sloping block 200 is completely abutted to the second sloping block 310, and the projection 201 is located in the groove 311, so that the whole installation structure is stable, and the positioning is accurate.

As shown in fig. 4, the cover body 1 is provided with a plurality of mounting portions 12, the connecting member 2 is provided with a plurality of mounting holes 21, and the connecting member 2 is mounted on the cover body 1 by screws (not shown in the figure) so as to facilitate the mounting and dismounting of the connecting member 2; and the screw shaft of the screw is inserted into the mounting portion 12 through the mounting hole 21 to fix the connector 2.

Preferably, the number of the first connecting portions 20 and the second connecting portions 31 is at least two, and the first connecting portions 20 are adjacent to the mounting holes 12, and the first connecting portions 20 are stressed greatly and adjacent to the mounting holes 12, so that the first connecting portions 20 are close to the mounting portions 12 on the cover body 1, and the connection between the first connecting portions 20 and the second connecting portions 31 is more stable.

As shown in fig. 2 and 8, the portable electronic device further includes a mounting seat 4 disposed between the cover body 1 and the connecting member 2 and between the cover body 1 and the housing 3, the mounting seat 4 is provided with a strip-shaped hole 40, and the mounting portion 12 is inserted into the strip-shaped hole 40; when the connecting piece 3 is arranged on the cover body 1, the mounting seat 4 is positioned between the cover body 1 and the connecting piece 2; when shell integral erection, 4 one sides of mount pad lean on with the reinforcing plate on the lid 1, and the opposite side leans on with the terminal surface of casing 3, and mount pad 4 is whole to be in shell subassembly promptly for the installation is advanced a mechanism, knife rest assembly etc..

In the scheme, the cover body 1 and the shell 3 are clamped by the first connecting part 20 and the second connecting part 31 which are provided with inclined planes, and the connection between the cover body 1 and the shell 3 is fixed and limited by the lug 201, the limiting block 312 and the like, so that the overall structure stability of the shell is ensured; the cover body 1 or the shell body 3 is screwed along the contact cambered surface of the cover body and the shell body, so that the disassembly and the assembly are convenient; the mounting seat 4 is connected with the cover body 1 and the shell body 3, so that the pencil sharpener is stable in overall structure and convenient to use.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. The utility model provides a shell mounting structure of pencil sharpener which characterized in that, including:

a cover body;

2. The housing mounting structure for a sharpener according to claim 1, wherein said first connecting portion includes a first ramp, and a cross-sectional area of said first ramp gradually decreases from a position near said notch to a position far from said notch;

3. The housing mounting structure for a sharpener of claim 2, wherein one of said first and second ramps has a protrusion thereon, and the other of said first and second ramps has a recess thereon, said protrusion being movably disposed in said recess.

4. The housing mounting structure of a sharpener according to claim 2, wherein the second connecting portion further comprises a limiting block, and the limiting block is connected with one end of the second inclined block away from the notch; and the end surface of the first inclined block is abutted against the side surface of the limiting block.

5. The structure of claim 1, wherein the housing has a through hole, the gap is in communication with the through hole, and the connecting member is received in the housing through the through hole.

6. The housing mounting structure of a sharpener according to claim 1, wherein the bottom of the cover body is provided with a first arc surface and a second arc surface which are connected, the first arc surface being concave downward, the second arc surface being convex upward;

7. The structure of claim 6, wherein the housing is connected to the cover along a direction from the bottom of the first arc surface to the top of the second arc surface.

8. The structure of claim 1, wherein the cover has a plurality of mounting portions, the connecting member has a plurality of mounting holes, and the connecting member is mounted on the cover by screws; and the screw rod of the screw penetrates through the mounting hole and is arranged in the mounting part.

9. The housing mounting structure for a sharpener of claim 8, wherein the number of the first and second connecting portions is at least two, and the first connecting portion is adjacent to the mounting hole.

10. The structure of claim 8, further comprising a mounting seat disposed between the cover and the connecting member, wherein the mounting seat has a strip-shaped hole, and the mounting portion is inserted into the strip-shaped hole.