CN217892352U

CN217892352U - Pencil sharpener advances plumbous linkage fixture

Info

Publication number: CN217892352U
Application number: CN202221796344.4U
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: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-25
Anticipated expiration: 2032-07-12

Abstract

A pencil sharpener lead feeding linkage clamping mechanism comprises a mounting frame (1), and a first clamping piece (2) and a second clamping piece (3) which are arranged oppositely, wherein the first clamping piece (2) and the second clamping piece (3) are provided with shaft parts (7); the first clamping piece (2) and the second clamping piece (3) are rotatably arranged on the mounting frame (1) through respective shaft parts (7); the clamping device is characterized in that a first linkage tooth (21) is arranged on the shaft part (7) of the first clamping piece (2), a second linkage tooth (31) is arranged on the shaft part (7) of the second clamping piece (3), and the first linkage tooth (21) is meshed with the second linkage tooth (31). 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 advances lead linkage fixture

Technical Field

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

Background

With the social development and the technological progress, the electric pencil sharpener has been popularized for a long time, and the functions of the pencil sharpener are increasingly powerful and diversified, such as automatic pencil sharpening, pen point breakage prevention 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 an aspect is solved that the clamping piece of the pencil sharpener fixture is asynchronous and lead to the skew of pen-holder axis, finally cut out the poor problem of nib concentricity, the utility model discloses an above-mentioned technical problem has been solved effectively with clamping piece linkage centre gripping pen.

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

a pencil sharpener lead feeding linkage clamping mechanism comprises an installation frame (1), and a first clamping piece (2) and a second clamping piece (3) which are arranged oppositely, wherein the first clamping piece (2) and the second clamping piece (3) are provided with shaft parts (7); the first clamping piece (2) and the second clamping piece (3) are rotatably arranged on the mounting frame (1) through respective shaft parts (7); the clamping device is characterized in that first linkage teeth (21) are arranged on the shaft part (7) of the first clamping piece (2), second linkage teeth (31) are arranged on the shaft part (7) of the second clamping piece (3), and the first linkage teeth (21) are meshed with the second linkage teeth (31).

Furthermore, the clamping device also comprises a resetting piece (6), wherein two ends of the resetting piece (6) are respectively connected with the mounting frame (1) and one of the first clamping piece (2) and the second clamping piece (3).

Furthermore, a reset part (71) is arranged on one shaft part (7) of the first clamping piece (2) and the shaft part (7) of the second clamping piece (3); the two ends of the reset piece (6) are respectively connected with the mounting rack (1) and the reset part (71).

Further, the device also comprises a transmission piece (4) which is arranged on the mounting rack (1) in a sliding manner; the transmission piece (4) is provided with a jacking part (42) matched with the resetting part (71); the two ends of the resetting piece (6) are respectively connected with the mounting frame (1) and the transmission piece (4).

Further, a first clamping opening part (22) is arranged on the first clamping piece (2); a second clamping opening part (32) is arranged on the second clamping piece (3), and the first clamping opening part (22) and the second clamping opening part (32) are matched to form a clamping opening (8).

Further, a first conical surface part (23) is arranged on the first clamping piece (2) and above the first clamping opening part (22); and/or a second cone part (33) is arranged on the second clamping piece (3) and above the second clamping opening part (32).

Furthermore, the connection surface of the first clamping piece (2) and the second clamping piece (3) is a plane.

Furthermore, a through hole is formed in the transmission part (4); the lower end of the first clamping piece (2) and the lower end of the second clamping piece (3) penetrate through the through hole.

Further, the device also comprises a transmission rod (5); one of the transmission rod (5) and the transmission part (4) is provided with a guide block, and the rest of the transmission rod (5) and the transmission part (4) is provided with a guide groove (41) matched with the guide block.

Furthermore, the mounting rack also comprises a cover body (9) covering the mounting rack (1).

The beneficial effects of the utility model are as follows:

1. through the linkage tooth linkage clamping pen support arranged on the shaft parts of the two clamping pieces, the phenomenon that the middle shaft of the pen holder deviates due to the fact that the clamping pieces of the clamping mechanism of the pencil sharpener are asynchronous is effectively avoided, the concentricity of the pen point is finally cut, the writing experience is better, and the pen support consumption is reduced.

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

3. The clamp is provided with the transmission part, 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 driving rod is arranged, so that a pencil feeding signal transmitted by the driving part in the horizontal direction can be transmitted downwards, the size 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 view of a part of the structure of a lead feeding linkage clamping mechanism of a pencil sharpener disclosed by the embodiment of the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a schematic cross-sectional view taken along line B-B in fig. 2.

Fig. 4 isbase:Sub>A schematic sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2.

FIG. 5 is a schematic view showing an assembly structure of the clamping piece, the transmission member, the transmission rod and the reset member when the pencil is not loaded.

FIG. 6 is a schematic view showing an assembly structure of the clamping piece, the transmission member, the transmission rod and the reset member when the pencil is loaded.

Fig. 7 is an explosion structure diagram of the lead feeding linkage clamping mechanism according to the embodiment of the present invention.

Description of reference numerals:

1. a mounting frame; 2. a first clip piece; 3. a second clip; 4. a transmission member; 5. a transmission rod;

6. a reset member; 7. a shaft portion; 8. a clamping port; 9. a cover body;

21. a first linkage tooth; 22. a first nip portion; 23. a first conical surface section;

31. a second linkage tooth; 32. a second nip portion; 33. a second tapered surface portion;

41. a guide groove; 42. a holding portion;

71. a reset portion.

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 embodiments of the present invention, and not all 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for 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 thus, 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 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 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 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 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 "under," "beneath," and "under" a second feature may be directly under or obliquely under the second 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 invention provides a pencil sharpener lead feeding linkage clamping mechanism which comprises an installation frame 1, a first clamping piece 2 and a second clamping piece 3 which are arranged oppositely, wherein the first clamping piece 2 and the second clamping piece 3 are provided with shaft parts 7; the first clamping piece 2 and the second clamping piece 3 are rotatably arranged on the mounting frame 1 through respective shaft parts 7; one of the shaft portion 7 of the first clamping piece 2 and the shaft portion 7 of the second clamping piece 3 is provided with a first coupling tooth 21, the remaining one of the shaft portion 7 of the first clamping piece 2 and the shaft portion 7 of the second clamping piece 3 is provided with a second coupling tooth 31, and the second coupling tooth 31 is engaged with the second coupling tooth 31. The clamping pieces are linked to clamp the pen holder through the linkage piece, so that the technical problems that the clamping pieces of the clamping mechanism of the pencil sharpener are asynchronous, the middle shaft of the penholder deviates, and the concentricity of the finally sharpened pen point is poor are effectively solved.

It should be noted that the first coupling tooth 21 and the second coupling tooth 31 may be external teeth, may be coupled by internal teeth, and is not limited to the tooth structure of the common gear

Examples

As shown in fig. 1-7, in order to provide a preferred embodiment of the lead feeding linkage clamping mechanism for a pencil sharpener provided by the present invention, a lead feeding linkage clamping mechanism for a pencil sharpener comprises a mounting frame 1, and a first clamping piece 2 and a second clamping piece 3 which are oppositely arranged, wherein the first clamping piece 2 and the second clamping piece 3 are both provided with a shaft portion 7; the first clamping piece 2 and the second clamping piece 3 are rotatably arranged on the mounting frame 1 through respective shaft parts 7; the shaft portion 7 of the first clip piece 2 is provided with a first coupling tooth 21, the shaft portion 7 of the second clip piece 3 is provided with a second coupling tooth 31, and the first coupling tooth 21 is engaged with the second coupling tooth 31. In other embodiments, a linkage tooth may be disposed on one of the shaft portion 7 of the first clip piece 2 and the shaft portion 7 of the second clip piece 3, a linkage groove is disposed on the remaining one of the shaft portion 7 of the first clip piece 2 and the shaft portion 7 of the second clip piece 3, and the linkage of the two clip pieces is realized by the cooperation of the linkage tooth and the linkage groove, so that when a pen holder is inserted into or pulled out of the clamping opening 8, no matter which clip piece is pressed and then turned over, the other clip piece moves outwards or inwards synchronously by the cooperation of the first linkage tooth 21 and the second linkage tooth 31 disposed on the shaft portion 7.

Specifically, in the present embodiment, the connection surface of the first clip 2 and the second clip 3 is a plane, the first clip 2 is provided with a first clipping portion 22, the second clip 3 is provided with a second clipping portion 32, and the first clipping portion 22 and the second clipping portion 32 cooperate to form the clipping opening 8. A first conical surface part 23 is arranged on the first clamping piece 2 and above the first clamping opening part 22; and/or, a second conical surface part 33 is arranged on the second clamping piece 3 above the second clamping opening part 32, and the first conical surface part 23 and the second conical surface part 33 are arranged oppositely; the embodiment adopts the form that the two clamping pieces are both provided with the conical surfaces, so that the pencil can be inserted more conveniently, and better clamping stability can be obtained.

Furthermore, the pen holder also comprises a resetting piece 6 which ensures the stability of clamping and the resetting of the clamping piece after the pen holder is pulled out; two ends of the reset piece 6 are respectively connected with the mounting frame 1 and one of the first clamping piece 2 and the second clamping piece 3. Specifically, the reset piece 6 is a tension spring; a reset part 71 is arranged on one shaft part 7 of the first clamping piece 2 and the shaft part 7 of the second clamping piece 3; the mounting bracket 1 and the portion 71 that resets are connected respectively at the piece 6 both ends that resets, and the both ends of extension spring catch on mounting bracket 1 and the portion 71 that resets respectively promptly. In other embodiments, a spring may be used, one end of which abuts against the lower portion of the first jaw 2 or the second jaw 3, and the other end of which abuts against the inner wall of the mounting frame 1 or a predetermined slot wall of the mounting frame 1.

In this embodiment, the device further comprises a transmission member 4 slidably disposed on the mounting frame 1; the transmission piece 4 is provided with a propping part 42 matched with the resetting part 71; the mounting bracket 1 and the transmission member 4 are connected respectively at two ends of the reset member 6, namely the mounting bracket 1 and the transmission member 4 are hooked respectively at two ends of the tension spring, and the supporting part 42 of the transmission member 4 abuts against the reset part 71. In other embodiments, a spring may be used to make one end of the spring abut against the supporting portion 42 or other portions of the driving member 4, and the other end of the spring abuts against the inner wall of the mounting bracket 1 or the predetermined slot wall of the mounting bracket 1.

Furthermore, a through hole is arranged on the transmission part 4; the lower half part of the first clamping piece 2 and the lower half part of the second clamping piece 3 penetrate through the through holes. The clamping information can be transmitted to other parts of the pencil sharpener through the transmission part 4, the structure is simple, the transmission is stable, and the operation efficiency of the pencil sharpener is greatly improved.

Furthermore, the pencil sharpener further comprises a transmission rod 5 which can transmit the pencil feeding signal transmitted by the transmission member 4 in the horizontal direction downwards, so that the volume of the pencil sharpener is reduced, and space resources are saved. One of the transmission rod 5 and the transmission member 4 is provided with a guide block, and the remaining one of the transmission rod 5 and the transmission member 4 is provided with a guide groove 41 matched with the guide block, in the embodiment, specifically, the transmission member 4 is provided with a guide block; the transmission rod 5 has a guide groove 41 for cooperating with the guide block. When the first clip piece 2 and the second clip piece 3 are pressed and pushed by the inserted pen holder and then turned over and expanded, the transmission piece 4 moves outwards, and the guide groove 41 on the transmission piece 4 guides the guide block to move, so that the transmission rod 5 rotates by a certain angle to transmit a pen feeding signal downwards.

Further, the mounting rack also comprises a cover body 9 covering the mounting rack 1; to form small modular assembly components, which facilitates the replacement and assembly of the whole. Specifically, the first clip piece 2, the second clip piece 3, the reset piece 6, and the transmission piece 4 are all installed in the inner space formed by the mounting frame 1 and the cover 9.

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. The utility model provides a penknife advances plumbous linkage fixture, includes mounting bracket (1) and relative first clamping piece (2) and the second clamping piece (3) that set up, its characterized in that:

the first clamping piece (2) and the second clamping piece (3) are provided with shaft parts (7);

the first clamping piece (2) and the second clamping piece (3) are rotatably arranged on the mounting frame (1) through respective shaft parts (7);

the clamping device is characterized in that a first linkage tooth (21) is arranged on the shaft part (7) of the first clamping piece (2), a second linkage tooth (31) is arranged on the shaft part (7) of the second clamping piece (3), and the first linkage tooth (21) is meshed with the second linkage tooth (31).

2. The pencil sharpener lead feeding linkage clamping mechanism according to claim 1, further comprising a reset piece (6),

the two ends of the reset piece (6) are respectively connected with the mounting rack (1) and one of the first clamping piece (2) and the second clamping piece (3).

3. The pencil sharpener lead feeding linkage clamping mechanism as claimed in claim 2, wherein a reset portion (71) is arranged on one of the shaft portion (7) of the first clamping piece (2) and the shaft portion (7) of the second clamping piece (3) on the shaft portion (7);

the two ends of the reset piece (6) are respectively connected with the mounting rack (1) and the reset part (71).

4. The pencil sharpener lead feeding linkage clamping mechanism according to claim 3, further comprising a transmission member (4) slidably disposed on the mounting bracket (1);

the transmission piece (4) is provided with a jacking part (42) matched with the resetting part (71);

the two ends of the reset piece (6) are respectively connected with the mounting frame (1) and the transmission piece (4).

5. The pencil sharpener lead feeding linkage clamping mechanism according to any one of claims 1-4, wherein the first jaw (2) is provided with a first jaw portion (22);

and a second clamping opening part (32) is arranged on the second clamping piece (3), and the first clamping opening part (22) and the second clamping opening part (32) are matched to form a clamping opening (8).

6. The pencil sharpener lead feeding linkage clamping mechanism according to claim 5, wherein the first clip (2) is provided with a first conical surface portion (23) above the first clamping opening portion (22);

and/or the presence of a gas in the atmosphere,

and a second conical surface part (33) is arranged on the second clamping piece (3) and above the second clamping opening part (32).

7. The pencil sharpener lead feeding linkage clamping mechanism as claimed in claim 6, wherein the connection surface of the first clamping piece (2) and the second clamping piece (3) is a plane.

8. The pencil sharpener lead feeding linkage clamping mechanism according to claim 4, wherein the transmission member (4) is provided with a through hole;

the lower end of the first clamping piece (2) and the lower end of the second clamping piece (3) penetrate through the through hole.

9. The pencil sharpener lead feeding linkage clamping mechanism according to claim 8, further comprising a transmission rod (5);

one of the transmission rod (5) and the transmission piece (4) is provided with a guide block, and the other of the transmission rod (5) and the transmission piece (4) is provided with a guide groove (41) matched with the guide block.

10. The pencil sharpener lead feeding linkage clamp mechanism according to any one of claims 1-4 and 6-9, further comprising a cover (9) covering the mounting frame (1).