CN217863493U

CN217863493U - Clamping mechanism of pencil and pencil sharpener thereof

Info

Publication number: CN217863493U
Application number: CN202222069788.4U
Authority: CN
Inventors: 郑高伟; 张俊峰
Original assignee: Ningbo Tiantian Stationery Co ltd
Current assignee: Ningbo Tiantian Stationery Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-22
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a clamping mechanism of pencil and ware of cutting a pencil thereof, including pressing from both sides the pen cap, press from both sides the pen cap and be equipped with a hole, left socle, right branch frame, be equipped with the double-layered pen subassembly that two intervals set up between left socle, the right branch frame, press from both sides the pen subassembly and be equipped with and press from both sides a wheel, dabber, elastic component, thereby the both ends of dabber respectively with left socle, right branch frame clearance fit, thereby the elastic component can provide elastic thrust and make two double-layered wheels be close to each other. The utility model discloses production is convenient, and simple structure is practical, can be used in many money sharpener.

Description

Clamping mechanism of pencil and pencil sharpener thereof

Technical Field

The utility model belongs to the technical field of at electronic ware of cutting, and especially, relate to a clamping mechanism of pencil and cut a ware thereof.

Background

The electric pencil sharpener is a pencil sharpener tool, has various types of pencil sharpeners, comprises a manual pencil sharpener, an electric pencil sharpener and the like, and comprises a knife rest, a dust collection bin, a bin cover, a motor, a switch and the like.

When the knife rest rotates, the blade on the knife rest can cut the pencil, but a user needs to hold the pencil by hands, otherwise the pencil can rotate along with the knife rest and cannot be cut, and therefore a clamping mechanism capable of clamping the pencil needs to be arranged in the pencil sharpener.

Disclosure of Invention

The utility model aims to solve the technical problem that a clamping mechanism of pencil is provided, the pencil is through pressing from both sides a subassembly after, the pencil receives the extrusion of two double-layered pen wheels, so the pencil tip just can be cut smoothly.

The utility model also provides a pencil sharpener with the pencil clamping mechanism.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a clamping mechanism of pencil, is including pressing from both sides the pen cap, the pen cap that presss from both sides be equipped with a hole, left socle, right branch frame between be equipped with the double-layered pen subassembly that two intervals set up, double-layered pen subassembly be equipped with and press from both sides a wheel, dabber, elastic component, the both ends of dabber respectively with left socle, right branch frame clearance fit, thereby the elastic component can provide elastic thrust to the dabber and make two double-layered pen wheels be close to each other.

The clamping mechanism has the advantages of convenient production, simple and practical structure and can be used in various pencil sharpeners. The left support and the right support are used for supporting mandrels of the two pencil clamping assemblies, a pencil passes through the pencil clamping assemblies and the pencil passing hole and then is inserted into a tool rest of the pencil sharpener for cutting, the elastic piece can give elastic force to the mandrels, so that the pencil clamping wheels can give propelling force to the pencil, two ends of the mandrels are in clearance fit with the left support and the right support respectively, and then the pencil can push the two pencil clamping wheels outwards; after the pencil is sharpened, the pencil leaves the pencil clamping assembly, and the two pencil clamping wheels return to the initial state of mutual approaching. The pencil clamping assembly clamps the pencil to replace the user to hold the pencil tightly, and convenience is brought to use.

As the utility model discloses further improve: the left bracket is provided with a first front pillar, and the right bracket is provided with a second front pillar; the first front support is sleeved with one elastic piece, and the elastic piece is abutted against the left support; the second front pillar is sleeved with the other elastic piece, and the elastic piece is abutted against the right support. One elastic member is retained by the first front pillar, and the other elastic member is retained by the second front pillar.

As the utility model discloses further improve: the left bracket is provided with a left round hole and a left long hole, and the right bracket is provided with a right round hole and a right long hole; the left round hole and the right strip hole are respectively sleeved with two ends of one mandrel, and the right round hole and the left strip hole are respectively sleeved with two ends of the other mandrel. One mandrel is in clearance fit with the left round hole and the right strip hole, the other mandrel is in clearance fit with the right round hole and the left strip hole, the movable space of the mandrels in the left round hole or the right round hole is smaller, and the movable space of the mandrels in the right strip hole or the left strip hole is larger, so that the mandrels can swing in a small amplitude; when the pencil is inserted into the tool rest, the two pencil clamping wheels are pressed by the pencil to be away from each other, one end of one mandrel moves to the limit position of the right long hole, and one end of the other mandrel also moves to the limit position of the left long hole; the elastic piece provides elastic force for the pencil clamping wheels, so that the two pencil clamping wheels can clamp the pencil, and the pencil is prevented from rotating.

As the utility model discloses further improve: the core shaft is provided with a gasket and a push sleeve, the pen clamping wheel is arranged between the gasket and the push sleeve, and the push sleeve is connected with the elastic piece. The gasket and the push sleeve can separate the pen clamping wheel, the left support and the right support.

As the utility model discloses further improve: the pushing sleeve is provided with a rear support which is sleeved with the elastic piece. Elastic component one end is spacing by back pillar, and the elastic component other end is spacing by first front strut or spacing by second front strut, and then the elastic component both ends are all by spacing, and the elastic component just can be sharp extension or shortened.

As the utility model discloses further improve: the gasket and the push sleeve in one of the pen clamping assemblies are respectively positioned at the left end and the right end of the pen clamping wheel, and the push sleeve is close to the right strip-shaped hole; and the other gasket and the push sleeve in the pen clamping assembly are respectively positioned at the right end and the left end of the pen clamping wheel, and the push sleeve is close to the left strip hole. Therefore, the two pencil clamping assemblies are actually arranged in a 180-degree circumferential array mode, when a pencil is inserted into the tool rest, the two pencil clamping wheels are pressed by the pencil to enable the two mandrels to swing, and the center distance between the two pencil clamping wheels is increased and the two pencil clamping wheels are far away from each other.

As the utility model discloses further improve: the push sleeve is provided with a sleeve hole which is sleeved with the mandrel, and the gasket is provided with a ring hole which is sleeved with the mandrel. The mandrel then passes through the sleeve hole of the push sleeve and the ring hole of the washer.

As the utility model discloses further improve: the upper end of the pen clamping cover is provided with a blank cap, and the blank cap is provided with a pen inlet hole. The pencil enters the tool rest from the pencil inlet hole of the blank cap.

As the utility model discloses further improve: the pen clamping wheel is provided with a pen clamping groove and a rotating hole, and the rotating hole is sleeved with the mandrel. The pencil clamping groove is used for clamping a round or hexagonal pencil, the inner wall of the pencil clamping groove is attached to the pencil, and the friction force between the pencil clamping groove and the pencil is large, so that the pencil can be prevented from rotating along with the tool rest; the axis of knife rest rotation is perpendicular with the dabber, and the commentaries on classics pot head of pressing from both sides the pen wheel is in the dabber periphery, consequently press from both sides the pen wheel and can rotate round the dabber, and behind the pencil through pressing from both sides the pen wheel, press from both sides the pen wheel inner wall and can prevent that the pencil from following the knife rest rotation, but when the pencil moves down, press from both sides the pen wheel and just begin to rotate, so the pencil moves down and is sharpened by the knife rest, the moving direction of pencil is in same straight line with the rotatory axis of knife rest, the moving direction of pencil is tangent with the direction of rotation who presss from both sides the pen wheel in addition.

A pencil sharpener comprises a shell and a clamping mechanism, wherein the shell is provided with an inner container and a knife rest, the inner container is provided with a battery, a motor and a transmission assembly, the motor is connected with the transmission assembly, the transmission assembly is connected with the knife rest, and the transmission assembly comprises a plurality of transmission gears; the shell still be equipped with fixed muscle, the double-layered pen lid be equipped with the draw-in groove, draw-in groove and fixed muscle joint. The inner container is fixedly installed inside the shell, the battery supplies power to the motor, the motor drives the first gear in the transmission assembly to rotate, then each gear starts to rotate, and then the gear at the tail end drives the knife rest to rotate.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a top view of the clip pen cover;

FIG. 3 is a bottom view of the clip cap;

FIG. 4 is an exploded view of the pen clip assembly;

FIG. 5 is a schematic view of the combination of the cap and the clip assembly;

FIG. 6 is a schematic view of a cap, a clip assembly, and a pencil;

FIG. 7 is an exploded view of the liner;

FIG. 8 is a schematic view of the combination of the liner and the tool holder;

FIG. 9 is a schematic view of the pen cap, the pen clip assembly, the inner container, and the knife holder;

fig. 10 is a schematic view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-10: the utility model provides a clamping mechanism of pencil, is including pressing from both sides a cap 30, presss from both sides a cap 30 and is equipped with a hole 320, left socle 310, right branch frame 330, is equipped with the double-layered pen subassembly 20 that two intervals set up between left socle 310, the right branch frame 330, presss from both sides a subassembly 20 and is equipped with and presss from both sides a wheel 3, dabber 1, elastic component 5, the both ends of dabber 1 respectively with left socle 310, right branch frame 330 clearance fit, thereby elastic component 5 can provide elastic thrust to dabber 1 and make two double-layered wheels 3 be close to each other.

The left bracket 310 is provided with a first front strut 313, and the right bracket 330 is provided with a second front strut 333; the first front support column 313 is sleeved with one elastic piece 5, and the elastic piece 5 is abutted with the left bracket 310; the second front pillar 333 is sleeved with another elastic member 5, and the elastic member 5 abuts against the right bracket 330. As shown in FIG. 5, the second front support 333 of the right support 330 mounts a resilient member 5, and the resilient member 5 abuts against the right end of the upper pen holder assembly 20; the first front leg 313 of the left bracket 310 also mounts a resilient member 5, the resilient member 5 bearing against the left end of the pen holder assembly 20 below.

The left bracket 310 is provided with a left round hole 311 and a left long hole 312, and the right bracket 330 is provided with a right round hole 331 and a right long hole 332; the left round hole 311 and the right long hole 332 are respectively sleeved with two ends of one mandrel 1, and the right round hole 331 and the left long hole 312 are respectively sleeved with two ends of the other mandrel 1. The central axis of the left circular hole 311 and the central axis of the right elongated hole 332 are in the same straight line, and the central axis of the right circular hole 331 and the central axis of the left elongated hole 312 are in the same straight line.

The mandrel 1 is provided with a gasket 2 and a push sleeve 4, the pen clamping wheel 3 is positioned between the gasket 2 and the push sleeve 4, and the push sleeve 4 is connected with an elastic piece 5. The pen clamping wheel 3 is arranged in the middle area between the left bracket 310 and the right bracket 330, and the washer 2 and the push sleeve 4 can separate the pen clamping wheel 3 from the left bracket 310 and the right bracket 330, so that the pen clamping wheel 3 can smoothly rotate.

The push sleeve 4 is provided with a rear support 41 sleeved with the elastic member 5. The rear support 41 has a limiting effect on the elastic part 5; the elastic piece 5 is propped against the push sleeve 4 on the mandrel 1, when the pencil 100 is not inserted, the end of the mandrel 1 close to the push sleeve 4 is pasted on the inner wall of the left strip-shaped hole 312 or one end of the inner wall of the right strip-shaped hole 332 (the end is close to the central axis of the pencil hole 320), and the distance between the two mandrels 1 is L1; after the pencil 100 is inserted, the mandrels 1 are pushed outwards by the pencil 100, the end of the mandrel 1 close to the push sleeve 4 is attached to the other end (the end is far away from the central axis of the pencil hole 320) of the left long hole 312 or the right long hole 332, and at this time, the distance between the two mandrels 1 is L2, and L2 is greater than L1.

As shown in fig. 5 and 6, the washer 2 and the push sleeve 4 of one of the pen clamping assemblies 20 are respectively positioned at the left end and the right end of the pen clamping wheel 3, and the push sleeve 4 is adjacent to the right elongated hole 332; the washer 2 and the push sleeve 4 of another pen clamping assembly 20 are respectively positioned at the right end and the left end of the pen clamping wheel 3, and the push sleeve 4 is adjacent to the left elongated hole 312. When the pencil passes through the pencil clamping assembly 20, the end of the mandrel 1 close to the push sleeve 4 swings, and the end of the mandrel 1 close to the washer 2 has almost no moving position.

The pushing sleeve 4 is provided with a sleeve hole 42 which is sleeved with the mandrel 1, and the gasket 2 is provided with a ring hole 21 which is sleeved with the mandrel 1. The gasket 2 and the push sleeve 4 are both sleeved on the periphery of the mandrel 1.

The upper end of the pen cap 30 is provided with a blank cap 10, and the blank cap 10 is provided with a pen inlet 11. The end of the pencil 100 enters the holder 40 from the pencil inlet hole 11 and the pencil through hole 320 in sequence for cutting.

The pen clamping wheel 3 is provided with a pen clamping groove 32 and a rotating hole 31, and the rotating hole 31 is sleeved with the mandrel 1. When the pencil 100 hits the inner wall of the pencil clamping groove 32, the rotation hole 31 of the pencil clamping wheel 3 can rotate around the spindle 1.

The pencil sharpener comprises a shell 50 and a clamping mechanism, wherein the shell 50 is provided with an inner container 6 and a knife rest 40, the inner container 6 is provided with a battery 61, a motor 62 and a transmission assembly 63, the motor 62 is connected with the transmission assembly 63, the transmission assembly 63 is connected with the knife rest 40, and the transmission assembly 63 comprises a plurality of transmission gears; the shell 50 is further provided with a fixing rib 51, the pen clamping cover 30 is provided with a clamping groove 340, and the clamping groove 340 is clamped with the fixing rib 51. The opening of the engaging groove 340 is first fitted over the fixing rib 51, then the pen cap 30 is folded with the housing 50, and the pen cap 30 is screwed by hand to tightly engage the engaging groove 340 with the fixing rib 51, so that the pen cap 30 is fixed with the housing 50.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a clamping mechanism of pencil, its characterized in that is including pressing from both sides the pen cap, the pen cap that presss from both sides be equipped with a hole, left socle, right branch frame between be equipped with the double-layered pen subassembly that two intervals set up, double-layered pen subassembly be equipped with and press from both sides a wheel, dabber, elastic component, the both ends of dabber respectively with left socle, right branch frame clearance fit, thereby the elastic component can provide elastic thrust to the dabber and make two double-layered pen wheels be close to each other.

2. The clamping mechanism for a pencil of claim 1, wherein said left bracket has a first front leg, said right bracket has a second front leg; the first front support is sleeved with one elastic piece, and the elastic piece is abutted against the left support; the second front support is sleeved with the other elastic piece, and the elastic piece is abutted against the right support.

3. The clamping mechanism for a pencil of claim 2, wherein said left bracket has a left circular hole and a left elongated hole, and said right bracket has a right circular hole and a right elongated hole; the left round hole and the right long hole are respectively sleeved with two ends of one mandrel, and the right round hole and the left long hole are respectively sleeved with two ends of the other mandrel.

4. The pencil clamping mechanism as claimed in claim 3, wherein said core shaft has a washer and a push sleeve, said pencil wheel is disposed between said washer and said push sleeve, and said push sleeve is connected to said elastic member.

5. The pencil clamping mechanism as claimed in claim 4, wherein said pushing sleeve has a rear support engaging said resilient member.

6. The pencil clamping mechanism as claimed in claim 4, wherein the washer and the push sleeve of one of said pencil clamping assemblies are respectively disposed at the left end and the right end of the pencil clamping wheel, and said push sleeve is adjacent to the right elongated hole; and the other gasket and the push sleeve in the pen clamping assembly are respectively positioned at the right end and the left end of the pen clamping wheel, and the push sleeve is close to the left strip hole.

7. The clamping mechanism for a pencil as claimed in claim 4, wherein said pushing sleeve has a sleeve hole for engaging with said shaft, and said washer has a ring hole for engaging with said shaft.

8. The pencil clamping mechanism as claimed in claim 1, wherein said cap has a cap at an upper end thereof, said cap having a hole for inserting a pencil.

9. The pencil clamping mechanism as claimed in claim 1, wherein said wheel has a slot and a hole, said hole is engaged with said shaft.

10. A pencil sharpener, characterized by comprising the outer casing and the clamping mechanism of a pencil of any one of claims 1-9, said outer casing has inner containers and cutter saddles, said inner container has battery, electrical machinery, drive assembly, said electrical machinery connects with drive assembly, said drive assembly connects with cutter saddle, said drive assembly includes a plurality of drive gears; the shell still be equipped with fixed muscle, the double-layered pen lid be equipped with the draw-in groove, draw-in groove and fixed muscle joint.