CN217294081U

CN217294081U - Pencil sharpener advances lead fixture

Info

Publication number: CN217294081U
Application number: CN202220976202.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangzhou Youxiang Culture Articles Co ltd
Current assignee: Guangzhou Youxiang Culture Articles Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-26
Anticipated expiration: 2032-04-26

Abstract

A pencil sharpener lead feeding clamping mechanism comprises a first clamping piece (1) and a second clamping piece (2), wherein the first clamping piece (1) is provided with a first clamping opening part (13), the second clamping piece (2) is provided with a second clamping opening part (23), the first clamping opening part (13) and the second clamping opening part (23) are matched to form a clamping opening (3), and the pencil sharpener lead feeding clamping mechanism further comprises a linkage part (4); a first linkage groove (11) is formed in the first clamping piece (1); a second linkage groove (21) is formed in the second clamping piece (2); the linkage piece (4) is provided with a rotating shaft part (41), one end of the linkage piece (4) is installed on the first linkage groove (11), and the other end of the linkage piece (4) is installed on the second linkage groove (21). The utility model discloses a technical problem that an aspect was solved is that the clamping piece of pencil sharpener fixture is asynchronous and lead to the skew of pen-holder axis, finally cut out the poor problem of nib concentricity, through the linkage with clamping piece linkage centre gripping pen, has solved above-mentioned technical problem effectively.

Description

Pencil sharpener lead feeding clamping mechanism

Technical Field

The utility model relates to a stationery field, concretely relates to penknife advances lead fixture.

Background

With the social development and the technical progress, the electric pencil sharpener has been popularized, and the functions of the pencil sharpener are increasingly powerful and diversified, such as automatic pencil sharpening, breakage prevention of a pencil point and the like.

The mechanism of pencil sharpener grip pen, it is a partial structure that semi-automatic, automatic pencil sharpener can't be lost, the grip mechanism mainstream on the market at present is the form of two-piece type and three-piece type clamping piece, however, these grip mechanisms can't match the pen of the pen-holder of different size automatically, or can't guarantee the concentricity of the nib after matching.

It is obvious that the prior art has certain defects.

Disclosure of Invention

The utility model discloses a technical problem that an aspect was solved is that the clamping piece of pencil sharpener fixture is asynchronous and lead to the skew of pen-holder axis, finally cut out the poor problem of nib concentricity, through the linkage with clamping piece linkage centre gripping pen, has solved above-mentioned technical problem effectively.

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

a pencil sharpener lead feeding clamping mechanism comprises a first clamping piece (1) and a second clamping piece (2), wherein the first clamping piece (1) is provided with a first clamping opening part (13), the second clamping piece (2) is provided with a second clamping opening part (23), the first clamping opening part (13) and the second clamping opening part (23) are matched to form a clamping opening (3), and the pencil sharpener lead feeding clamping mechanism further comprises a linkage part (4); a first linkage groove (11) is formed in the first clamping piece (1); a second linkage groove (21) is arranged on the second clamping piece (2); the linkage piece (4) is provided with a rotating shaft part (41), one end of the linkage piece (4) is installed on the first linkage groove (11), and the other end of the linkage piece (4) is installed on the second linkage groove (21).

Furthermore, a first linkage arm (12) extends from two sides of the first clamping piece (1) at the first clamping opening part (13); the first linkage groove (11) is arranged on the first linkage arm (12).

Further, a second linkage arm (22) extends from the second clamping piece (2) to two sides of the second clamping opening part (23); the second linkage groove (21) is provided on the second linkage arm (22).

Further, the linkage piece (4) further comprises a first arm (43) and a second arm (44) which are arranged on two sides of the rotating shaft part (41); the first arm (43) is provided with a first guide pillar part (42); the second arm (44) is provided with a second guide pillar part (45); the first guide pillar part (42) and the second guide pillar part (45) extend into the first linkage groove (11) and the second linkage groove (21) respectively.

Further, the device also comprises an elastic piece (5); the elastic piece (5) is arranged on the first clamping piece (1) or the second clamping piece (2) and is positioned at one end far away from the clamping opening (3).

Further, the device also comprises a trigger rod (24); the trigger rod (24) is arranged on one of the first clamping piece (1) and the second clamping piece (2) far away from the elastic piece (5) and is positioned at one end far away from the clamping opening (3).

Further, the trigger rod (24) is provided with a trigger guide inclined surface (241).

Further, the device also comprises a transmission rod (6); the transmission rod (6) is provided with a conduction inclined plane (611); the trigger inclined guide surface (241) is attached to the conductive inclined surface (611).

Furthermore, a through hole (61) is arranged on the transmission rod (6); the conduction inclined plane (611) is arranged on the inner wall of the through hole (61); the trigger rod (24) is arranged in the through hole (61) in a penetrating way.

Further, the device also comprises a base (7) and a cover body (8) covering the base (7); the first clamping piece (1), the second clamping piece (2) and the linkage piece (4) are all arranged in an inner space formed by the base (7) and the cover body (8).

The utility model has the advantages as follows:

1. the clamping piece is linked and clamped by the linkage piece, so that the phenomenon that the middle shaft of the pen holder deviates due to the fact that the clamping piece of the clamping mechanism of the pencil sharpener is asynchronous is effectively avoided, the concentricity of the pencil point is finally cut, writing experience is better, and consumption of the pencil support is reduced.

2. The elastic piece is arranged, so that the smoothness of clamping is guaranteed, the pen support is withdrawn from the clamping piece and then reset, and the stability of clamping is guaranteed.

3. The trigger rod is arranged on the clamp, so that the clamping information can be transmitted to other parts of the pencil sharpener, the structure is simple, the conduction is stable, and the operation efficiency of the pencil sharpener is greatly improved.

4. The transmission rod can convert signals transmitted by the trigger rod in the horizontal direction into signals transmitted in the vertical direction, so that the volume of the pencil sharpener is reduced, and space resources are saved.

5. The clamping mechanism can be further provided with a base and a cover body to form a small assembly which is assembled in a modularized mode, and overall replacement and assembly are facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a lead feeding and clamping mechanism of a pencil sharpener disclosed by the embodiment of the present invention.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic view of the structure of fig. 1 after assembly.

Fig. 4 is a schematic top view of fig. 3.

Fig. 5 is a schematic cross-sectional view along a-a of the structure of fig. 4.

FIG. 6 is a schematic structural diagram of the pen with the pen holder inserted according to an embodiment.

Fig. 7 is a schematic diagram of the exploded structure of fig. 6.

Fig. 8 is a schematic structural view of a link member.

Description of reference numerals:

1. a first clip; 2. a second clip; 3. clamping the opening; 4. a linkage member; 5. an elastic member;

6. a transmission rod; 7. a base; 8. a cover body;

11. a first linkage groove; 12. a first linkage arm; 13. a first nip portion;

21. a second linkage groove; 22. a second linkage arm; 23. a second nip portion; 24. a trigger lever;

241. triggering the guide slope;

41. a rotating shaft part; 42. a first guide post portion; 43. a first arm; 44. a second arm; 45. a second column part;

61. perforating; 611. a conductive bevel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention and the accompanying drawings are combined together to clearly and completely describe the technical solutions in the embodiments of the present invention. It should be noted that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the 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 invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. 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 the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The following describes embodiments of the present invention with reference to the drawings.

The pencil sharpener lead feeding clamping mechanism provided by the invention comprises a first clamping piece, a second clamping piece and a linkage piece 4, wherein the first clamping piece is provided with a first clamping opening part 13, the second clamping piece is provided with a second clamping opening part 23, and the first clamping opening part 13 and the second clamping opening part 23 are matched to form a clamping opening; the first clamping piece is provided with a first linkage groove 11; the second clamping piece is provided with a second linkage groove 21; the link 4 is provided with a rotation shaft portion 41, and one end of the link 4 is mounted on the first link groove 11 and the other end is mounted on the second link groove 21. The clamping piece is linked and clamped by the linkage piece 4, so that the technical problems that the clamping piece of the clamping mechanism of the pencil sharpener is asynchronous, the center shaft of the penholder deviates, and the concentricity of the pencil point is finally cut out is poor are effectively solved.

Example one

As shown in fig. 1-8, in order to provide a preferred embodiment of a pencil sharpener lead feeding clamping mechanism, a pencil sharpener lead feeding clamping mechanism comprises a first clamping piece 1, a second clamping piece 2 and a linkage 4, wherein the first clamping piece 1 is provided with a first clamping opening 13, the second clamping piece 2 is provided with a second clamping opening 23, and the first clamping opening 13 and the second clamping opening 23 are matched to form a clamping opening 3; a first linkage groove 11 is arranged on the first clamping piece 1; a second linkage groove 21 is arranged on the second clamping piece 2; the link 4 is provided with a rotation shaft portion 41, and one end of the link 4 is mounted on the first link groove 11 and the other end is mounted on the second link groove 21. When the pen holder is inserted into the nip 3, no matter which clip is pushed or pushed at the same time, the linkage 4 will synchronously make the other clip move outwards or inwards synchronously.

Specifically, the first clip 1 is provided with first linkage arms 12 extending from two sides of the first clip opening 13; the first linkage groove 11 is arranged on the first linkage arm 12. A second linkage arm 22 extends from the second jaw part 2 at two sides of the second jaw part 23; the second interlocking groove 21 is provided on the second interlocking arm 22. In other embodiments, the cooperating grooves of the first jaw 1 and the second jaw 2 can be set as desired.

The link 4 includes a rotating shaft portion 41, a first arm 43 and a second arm 44 provided on both sides of the rotating shaft portion 41; the first arm 43 is provided with a first column guide part 42; the second arm 44 is provided with a second column part 45; the first and

second mast sections

42, 45 extend into the first and

second linkage grooves

11, 21, respectively.

Furthermore, an elastic part 5 is arranged to ensure the smoothness of clamping, and the clamping piece is reset after the pen is drawn out, so that the clamping stability is ensured; the elastic piece 5 is arranged on the first clamping piece 1 or the second clamping piece 2 and is positioned at one end far away from the clamping opening 3. In this embodiment, the elastic member 5 is a spring and is disposed on the first clamping piece 1.

Further, a trigger lever 24 is also included; the trigger lever 24 is disposed on one of the first clamping piece 1 or the second clamping piece 2 far from the elastic piece 5 and located at one end far from the clamping opening 3. The pencil sharpener can transmit clamped information to other parts of the pencil sharpener, has a simple structure and stable conduction, and greatly improves the operation efficiency of the pencil sharpener.

Furthermore, the driving part 6 can convert the signal transmitted by the trigger rod 24 in the horizontal direction into the signal transmitted in the vertical direction, so that the volume of the pencil sharpener is reduced, and space resources are saved.

Specifically, the trigger bar 24 has a trigger guide slope 241 thereon. The transmission member 6 has a conductive bevel 611; the trigger conductive slope 241 is attached to the conductive slope 611. In the present embodiment, the transmission member 6 is provided with a through hole 61; the conductive slope 611 is disposed on the lower inner wall of the through hole 61; the trigger rod 24 penetrates through the through hole 61, the trigger guide inclined surface 241 is arranged at the bottom of the trigger rod 24, when the first clamping piece 1 and the second clamping piece 2 are pushed by the inserted pen holder to expand outwards, the second clamping piece 2 drives the trigger rod 24 to move outwards, and the trigger guide inclined surface 241 extrudes the transmission inclined surface 611, so that the transmission piece 6 moves downwards.

Further, the device also comprises a base 7 and a cover body 8 covering the base 7; the small assembly of the modularized assembly is formed, and the integral replacement and assembly are convenient. Specifically, the first clip 1, the second clip 2, and the link 4 are mounted in an inner space formed by the base 7 and the cover 8.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pencil sharpener lead feeding clamping mechanism comprises a first clamping piece (1) and a second clamping piece (2), wherein the first clamping piece (1) is provided with a first clamping opening part (13), the second clamping piece (2) is provided with a second clamping opening part (23), and the first clamping opening part (13) and the second clamping opening part (23) are matched to form a clamping opening (3), and the pencil sharpener lead feeding clamping mechanism is characterized by further comprising a linkage part (4);

a first linkage groove (11) is formed in the first clamping piece (1);

a second linkage groove (21) is formed in the second clamping piece (2);

the linkage piece (4) is provided with a rotating shaft part (41), one end of the linkage piece (4) is installed on the first linkage groove (11), and the other end of the linkage piece (4) is installed on the second linkage groove (21).

2. The pencil sharpener lead feeding clamping mechanism as claimed in claim 1, wherein the first clamping piece (1) is extended with first linkage arms (12) at two sides of the first clamping opening part (13);

the first linkage groove (11) is arranged on the first linkage arm (12).

3. The pencil sharpener lead feeding clamping mechanism as claimed in claim 2, wherein the second clip (2) has a second linkage arm (22) extending from both sides of the second clip portion (23);

the second linkage groove (21) is provided on the second linkage arm (22).

4. The pencil sharpener lead feed clamping mechanism of claim 3 wherein the linkage member (4) further includes a first arm (43) and a second arm (44) disposed on either side of the spindle portion (41);

the first arm (43) is provided with a first guide pillar part (42);

the second arm (44) is provided with a second guide pillar part (45);

the first guide post part (42) and the second guide post part (45) extend into the first linkage groove (11) and the second linkage groove (21) respectively.

5. A pencil sharpener lead feed clamping mechanism as claimed in any one of claims 1 to 4, further including a resilient member (5);

the elastic piece (5) is arranged on the first clamping piece (1) or the second clamping piece (2) and is positioned at one end far away from the clamping opening (3).

6. The pencil sharpener lead feed clamping mechanism of claim 5 further comprising a trigger lever (24);

the trigger rod (24) is arranged on one of the first clamping piece (1) or the second clamping piece (2) far away from the elastic piece (5) and is positioned at one end far away from the clamping opening (3).

7. The pencil feed holder mechanism of claim 6 wherein said trigger lever (24) has a trigger ramp surface (241) thereon.

8. The pencil sharpener lead feeding clamping mechanism of claim 7 further comprising a drive link (6);

the transmission rod (6) is provided with a conduction inclined surface (611);

the trigger inclined guide surface (241) is attached to the conductive inclined surface (611).

9. The pencil sharpener lead feeding clamping mechanism as claimed in claim 8, wherein the transmission rod (6) is provided with a through hole (61);

the conduction inclined plane (611) is arranged on the inner wall of the through hole (61);

the trigger rod (24) is arranged in the through hole (61) in a penetrating way.

10. The pencil sharpener lead feeding clamping mechanism of any one of claims 1-4 and 6-9 further comprising a base (7) and a cover (8) covering the base (7);

the first clamping piece (1), the second clamping piece (2) and the linkage piece (4) are all arranged in an inner space formed by the base (7) and the cover body (8).