CN218558407U

CN218558407U - Rotating assembly of pen feeding mechanism and pen feeding mechanism

Info

Publication number: CN218558407U
Application number: CN202221958376.XU
Authority: CN
Inventors: 李伟逸
Original assignee: Ningbo Sanzhong Stationery Co ltd
Current assignee: Ningbo Sanzhong Stationery Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-03-03
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to a rotating assembly of pen feeding mechanism, establish in the pivot at epaxial gear, rotation wheel including pivot and cover, gear, rotation wheel are spacing in the pivot along circumference to rotate the interior terminal surface top of wheel on the interior terminal surface of gear, the area of terminal surface is less than the area of terminal surface in the gear in the rotation wheel. The rotating assembly of the pen feeding mechanism reduces the friction area between the rotating wheel and the gear, so that proper friction force exists between the rotating wheel and the gear. The utility model discloses still relate to an advance a mechanism, including the support, rotate the carousel of setting on the support, two sets of aforementioned runner assemblies are equipped with on the carousel and supply a male through-hole, and two sets of runner assemblies are the both sides that the through-hole was located to central symmetry, and the gear among two sets of runner assemblies is connected with the carousel transmission respectively and rotates with opposite direction. The pencil feeding mechanism can improve the condition that the rotating wheel is heated and softened, and ensure the normal pencil feeding mechanism of pencil sharpening action.

Description

Rotating assembly of pen feeding mechanism and pen feeding mechanism

Technical Field

The utility model relates to a cut a ware technical field, concretely relates to rotating assembly who advances a mechanism still relates to the mechanism of advancing of using this rotating assembly.

Background

The pencil sharpener generally comprises a machine body, a pencil feeding mechanism, a pencil sharpening mechanism, a pencil scrap box and the like, wherein the pencil feeding mechanism is a key structure of the pencil sharpener.

The existing pencil feeding mechanism mostly adopts a structure disclosed in the 'pencil feeding mechanism and pencil sharpener for pencil sharpener' of the utility model with the publication number of CN215096677U (application number of 202120404221.0), wherein the disclosed structure comprises a turntable and a rotating assembly, the rotating assembly comprises a rotating shaft and a rotating wheel sleeved on the rotating shaft and used for clamping a pencil, the rotating wheel is usually made of soft rubber, and the transmission is realized by means of the friction force between the rotating wheel and the rotating shaft. When the device is used, the gear is driven to rotate based on the forward and reverse rotation of the turntable, and the rotating wheel is driven to synchronously rotate by means of the friction force. The rotating wheels in the two rotating assemblies have the function of clamping and driving pens, so that the pen feeding and withdrawing operations are realized. However, the friction force between the rotating wheel and the gear needs to be proper, and if the friction force between the rotating wheel and the gear is too large, on one hand, a pen is advanced, and whether the pencil is in a good sharpening state cannot be effectively judged. On the other hand, based on the too big condition of frictional force, the rotation wheel is soft because generating heat easily in work, and then leads to rotating the frictional force between wheel and gear, the pivot and reducing relatively, causes to drive the pencil pivoted number of turns unusual, perhaps cuts the condition of not advancing the pen, then need wait to rotate the wheel cooling back and just can normal use this moment, influences user experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that provides one kind through reducing to rotate the area of friction between wheel and the gear to above-mentioned prior art, and then makes to rotate the runner assembly who has the pen mechanism that advances of suitable frictional force between wheel and the gear.

The utility model aims to solve the second technical problem that provide one kind to above-mentioned prior art and can improve and rotate the wheel and generate heat the condition of becoming soft, guarantee to cut the action normal clear advance a mechanism.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a rotating assembly who advances a mechanism, includes that pivot and cover establish epaxial gear, rotation wheel, its characterized in that: the gear and the rotating wheel are limited on the rotating shaft along the circumferential direction, the inner end face of the rotating wheel is abutted against the inner end face of the gear, and the area of the inner end face of the rotating wheel is smaller than that of the inner end face of the gear.

In order to conveniently realize the limiting installation of the rotating wheel, a limiting ring is arranged on the rotating shaft along the circumferential direction, the outer end face of the rotating wheel abuts against the limiting ring, and the area of the outer end face of the rotating wheel is smaller than that of the limiting ring.

Preferably, the rotating wheel comprises a main body positioned in the middle and a first acting part integrally connected to the outer end of the main body, and the diameter of the first acting part is smaller than that of the main body.

Preferably, the rotating wheel comprises a main body positioned in the middle and a second acting part integrally connected to the inner end of the main body, and the diameter of the second acting part is smaller than that of the main body.

In order to further reduce the contact area, notches are arranged on the inner end surface and/or the outer end surface of the rotating wheel.

Preferably, at least two notches are arranged on the inner end surface and/or the outer end surface of the rotating wheel along the circumferential direction.

The utility model provides a technical scheme that above-mentioned second technical problem adopted is: the utility model provides an advance a mechanism, includes the support, rotates the carousel of setting on the support, its characterized in that: the pen holder further comprises two groups of rotating assemblies, through holes for inserting pens are formed in the rotating disc, the two groups of rotating assemblies are arranged on two sides of the through holes in a centrosymmetric mode, and gears in the two groups of rotating assemblies are connected with the rotating disc in a transmission mode and rotate in opposite directions.

Preferably, the turntable comprises a body, and a plurality of meshing racks which are meshed and connected with the gears are arranged on the upper surface of the body along the circumferential direction.

In order to conveniently support the rotating assembly, the edge of the support is provided with a support part which is used for supporting each rotating shaft in an upward protruding mode, and the support part is provided with an embedding groove which is opened upwards.

Compared with the prior art, the utility model has the advantages of: the utility model provides a rotating assembly of advancing a mechanism through reducing the area of contact between rotation wheel and the gear contact terminal surface, comes the appropriate frictional force that reduces between rotation wheel and the gear contact terminal surface for frictional force between rotation wheel and the gear contact terminal surface is more suitable, the too big or undersize condition of frictional force can not appear. So, can effectively improve the deflection that generates heat that the rolling wheel caused because of frictional force is too big, guarantee to cut a motion normal clear, also make the perception that can be better simultaneously because of suitable frictional force and cut a state, and then avoid the condition of a pen that advances always.

Drawings

Fig. 1 is a perspective view of a rotating assembly of a pen feeding mechanism in an embodiment of the present invention.

Fig. 2 is an exploded perspective view of a rotating assembly of the pen feeding mechanism according to the embodiment of the present invention.

Fig. 3 is a perspective view of a pen feeding mechanism in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 and fig. 2, the rotating assembly of the pen feeding mechanism in this embodiment includes a rotating shaft 1, a gear 2 sleeved on the rotating shaft 1, and a rotating wheel 3. The gear 2 and the rotating wheel 3 are limited on the rotating shaft 1 along the circumferential direction, the gear 2 can be in transmission connection with a rotating disc 5 in a pen feeding mechanism, and the rotating wheel 3 adopts a rubber roller. When the rotary disc 5 rotates, the gear 2 is driven to rotate, and then the rotating wheel 3 and the rotating shaft 1 are driven to synchronously rotate based on the friction force between the rotating wheel 3 and the gear 2 as well as between the rotating wheel 1 and the rotating shaft 2. Usually, the two groups of rotating assemblies in the pen feeding mechanism are arranged, and based on the friction driving of the rotating wheels 3 in the two groups of rotating assemblies to the pencil clamped between the two groups of rotating assemblies, the pen feeding action is further realized.

A limiting ring 11 is arranged on the rotating shaft 1 along the circumferential direction, the outer end face of the rotating wheel 3 is abutted against the limiting ring 11, and the inner end face of the rotating wheel 3 is abutted against the inner end face of the gear 2. Usually, the area of the end surface of the rotating wheel 3 is equivalent to the area of the end surfaces of the gear 2 and the limiting ring 11, and in order to reduce the friction force between the rotating wheel 3 and the gear 2 and the rotating shaft 1 and avoid the excessive friction force from causing the heating deformation of the rotating wheel 3 and influencing the pen feeding action, the end structure of the rotating wheel 3 is improved, so that the area of the inner end surface of the rotating wheel 3 is smaller than the area of the inner end surface of the gear 2, and the area of the outer end surface of the rotating wheel 3 is smaller than the area of the limiting ring 11. Specifically, the rotary wheel 3 includes a main body 31 at a middle portion, a first acting portion 32 integrally connected to an outer end of the main body 31, and a second acting portion 33 integrally connected to an inner end of the main body 31, the first acting portion 32 having a diameter smaller than that of the main body 31, and the second acting portion 33 having a diameter smaller than that of the main body 31. That is, the first and

second operating portions

32 and 33 are reduced in diameter relative to the main body 31, so that the contact area between the rotary wheel 3 and the gear 2 and the stopper ring 11 on the rotary shaft 1 is reduced, thereby reducing the friction force. The first and

second operating portions

32 and 33 may be integrally connected to the body 31 in a stepped shape as required, or may be integrally connected to the body 31 by an inclined transition structure.

In order to further reduce the contact area, notches 34 are provided on the inner end surface and/or the outer end surface of the rotor 3, and the number of notches 34 is specifically set as required, specifically, at least two notches 34 are provided on the inner end surface and/or the outer end surface of the rotor 3 along the circumferential direction, and these notches 34 may be provided on the corresponding first acting portion 32 and second acting portion 33. By arranging the notches 34, the contact area between the rotating wheel 3 and the gear 2 and between the limiting ring 11 on the rotating shaft 1 can be further corrected, and the action of friction force can be further reduced. The friction force between the contact end surfaces of the rotating wheel 3 and the gear 2 is more suitable, and the situation that the friction force is too large or too small can not occur. So, can effectively improve the deflection that generates heat that the rolling wheel 3 caused because of frictional force is too big, guarantee to cut a motion normal clear, also make the perception that can be better simultaneously because of suitable frictional force and cut a state, and then avoid the condition of advancing a pen all the time.

As shown in fig. 3, the utility model discloses still relate to a mechanism of advancing, including support 4, rotate carousel 5, two sets of rotating assembly as aforementioned that set up on support 4, carousel 5 is located the top of support 4, and two sets of rotating assembly are located the top of carousel 5.

The turntable 5 is provided with a through hole 51 for inserting a pen, the two groups of rotating assemblies are arranged on two sides of the through hole 51 in a centrosymmetric manner, and the pen can be clamped between the two groups of rotating assemblies after being inserted from the through hole 51. The gears 2 in the two groups of rotating assemblies are respectively in transmission connection with the rotating discs 5 to rotate in opposite directions. The rotary table 5 comprises a body 52, and a plurality of meshing racks 53 meshed with the gear 2 are arranged on the upper surface of the body 52 along the circumferential direction.

In order to improve the convenience of assembling the rotating assembly, the edge of the bracket 4 is provided with a supporting part 41 which supports each rotating shaft 1 in an upward protruding manner, and the supporting part 41 is provided with an embedding slot 411 which is opened upwards. In this embodiment, the supporting portions 41 are disposed at two ends of each rotating shaft 1, so that the two ends of the rotating shaft 1 are embedded into the caulking grooves 411 of the corresponding supporting portions 41, thereby realizing the rotating support of the rotating shaft 1, and the opening is upward, so that the assembly of the rotating shaft 1 is greatly facilitated, and the assembly efficiency is higher. Meanwhile, the supporting portion 41 axially limits the gear 2 at the outer end of the gear 2, so that the gear 2 and the rotating wheel 3 are axially limited between the supporting portion 41 and the limiting ring 11 of the rotating shaft 1, and inner end faces of the gear 2 and the rotating wheel 3 are mutually extruded to generate a friction effect.

This working process who advances a mechanism does, the user inserts the pen between two sets of rotating assembly's rotation wheel 3 through-hole 51 on the carousel 5, after detecting the pencil, carousel 5 rotates, meshing rack 53 on the carousel 5 and the meshing piece intermeshing among two sets of rotating assembly, and then drive the meshing piece among two sets of rotating assembly and rotate with opposite rotation direction, based on meshing piece and pivot 1, the frictional force between the rotation wheel 3, the frictional force between rotation wheel 3 and the pivot 1, and then drive pivot 1 and rotate wheel 3 and rotate, two rotation wheels 3 act on the pen, and then realize advancing the pen, move back a work.

The utility model provides a rotating assembly of advancing a mechanism through reducing the area of contact between rotation wheel 3 and the 2 contact terminal surfaces of gear, comes appropriate reduction and rotates the frictional force between wheel 3 and the 2 contact terminal surfaces of gear for the frictional force between rotation wheel 3 and the 2 contact terminal surfaces of gear is more suitable, the too big or undersize condition of frictional force can not appear. So, can effectively improve the deflection that generates heat that the rolling wheel 3 caused because of frictional force is too big, guarantee to cut a motion normal clear, also make the perception that can be better simultaneously because of suitable frictional force and cut a state, and then avoid the condition of advancing a pen all the time. Therefore, the pen feeding mechanism using the rotating assembly can improve the condition that the rotating wheel 3 generates heat and becomes soft, and ensure the normal operation of pen sharpening.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. The utility model provides a rotating assembly who advances a mechanism, includes pivot (1) and cover gear (2), rotation wheel (3) of establishing on pivot (1), its characterized in that: the gear (2) and the rotating wheel (3) are limited on the rotating shaft (1) along the circumferential direction, the inner end face of the rotating wheel (3) is pressed against the inner end face of the gear (2), and the area of the inner end face of the rotating wheel (3) is smaller than that of the inner end face of the gear (2).

2. The rotational assembly of a pen feed mechanism of claim 1, wherein: the rotating shaft (1) is provided with a limiting ring (11) along the circumferential direction, the outer end face of the rotating wheel (3) abuts against the limiting ring (11), and the area of the outer end face of the rotating wheel (3) is smaller than that of the limiting ring (11).

3. The rotational assembly of a pen feed mechanism of claim 2, wherein: the rotating wheel (3) comprises a main body (31) positioned in the middle and a first acting part (32) integrally connected to the outer end of the main body (31), and the diameter of the first acting part (32) is smaller than that of the main body (31).

4. A rotation assembly of a pen feeding mechanism according to any one of claims 1 to 3, characterized in that: the rotating wheel (3) comprises a main body (31) positioned in the middle and a second acting part (33) integrally connected to the inner end of the main body (31), and the diameter of the second acting part (33) is smaller than that of the main body (31).

5. A rotation assembly of a pen feeding mechanism according to any one of claims 1 to 3, characterized in that: notches (34) are arranged on the inner end surface and/or the outer end surface of the rotating wheel (3).

6. The rotational assembly of a pen feed mechanism of claim 5, wherein: at least two notches (34) are arranged on the inner end surface and/or the outer end surface of the rotating wheel (3) along the circumferential direction.

7. The utility model provides a advance a mechanism, includes support (4), rotates carousel (5) of setting on support (4), its characterized in that: the pen container is characterized by further comprising two groups of rotating assemblies according to any one of claims 1 to 6, wherein the rotating disc (5) is provided with a through hole (51) for inserting a pen, the two groups of rotating assemblies are arranged on two sides of the through hole (51) in a central symmetry manner, and gears (2) in the two groups of rotating assemblies are respectively in transmission connection with the rotating disc (5) and rotate in opposite directions.

8. The pen feed mechanism of claim 7, wherein: the rotary disc (5) comprises a body (52), and a plurality of meshing racks (53) meshed and connected with the gear (2) are arranged on the upper surface of the body (52) along the circumferential direction.

9. The pen feed mechanism of claim 7, wherein: the edge of the support (4) is upwards convexly provided with a supporting part (41) for supporting each rotating shaft (1), and the supporting part (41) is provided with an embedding groove (411) with an upward opening.