CN102217827B

CN102217827B - Rotary lead core box

Info

Publication number: CN102217827B
Application number: CN 201010154028
Authority: CN
Inventors: 黄林全; 黄小喜
Original assignee: LOTUS STATIONERY CO Ltd
Current assignee: LOTUS STATIONERY CO Ltd
Priority date: 2010-04-14
Filing date: 2010-04-14
Publication date: 2013-07-17
Anticipated expiration: 2030-04-14
Also published as: CN102217827A

Abstract

The invention discloses a rotary lead core box which comprises a cylindrical box body for storing lead cores, and a box cover sleevedly disposed at one end of the box body; the end of the box body sleevedly equipped with the box cover is a core discharging end; the core discharging end is in a closed state; a core discharging trough is disposed at the end surface of the core discharging end; core-opening and core-closing actions can be completed by rotating the box cover; when the box cover slides past a fastening rib, the fastening rib stops the continued rotation of the box cover; when the core discharging hole on the box cover is aligned with the core discharging trough on the box body, lead discharging can be realized; on the contrary, when the core discharging hole on the box cover is misaligned with the core discharging trough on the box body, lead can not be discharged; the diameter of the core discharging hole is slightly larger than the diameter of the lead core, which effectively improves the inconvenience caused by multiple core discharging, and well eliminates the defect on the market; by disposing an eraser at the other end of the box body, wrong writing can be erased, and writing and correction are convenient.

Description

The rotary type lead box

Technical field

The present invention relates to a kind of lead box, particularly a kind of rotary type lead box.

Background technology

Be useful for lead box for many years and mostly be and store lead for retractable pencil merely, do not have and subsidiaryly can wipe rubber.It is pressing that structure mostly is, and stirs formula, and lead outlet is bigger, goes out plumbous quantity more (ordinary consumer is only used a lead for retractable pencil), pours out unnecessary lead for retractable pencil and also will return in the dress box, and can use to the consumer like this makes troubles.

Summary of the invention

In order to overcome above-mentioned defective, the invention provides a kind of rotary type lead box, this lead box has adopted the rotary type valve, thereby has realized that unidirectional list props up knockout, can wipe rubber in conjunction with installing, and brings and big convenience to the consumer aspect writing in correction.

The present invention for the technical scheme that solves its technical problem and adopt is:

A kind of rotary type lead box, comprise the lid that supplies to store the cylindrical box body of lead for retractable pencil and be sheathed on box body one end, the end that described box body is arranged with lid is the knockout end, described knockout end is closed state, knockout end end face is provided with a knockout groove, the width of knockout groove is at least greater than 1.5 times of the diameter of lead for retractable pencil, effectively remedy error that process produces and caused the lead for retractable pencil box body of can't scurrying out smoothly, the side of described knockout end along the circumferential direction is provided with a screens muscle, simultaneously along the circumferential direction be interval with a stop bit muscle with the screens muscle in the side of knockout end, described screens muscle and stop bit muscle position at interval forms a draw-in groove; The inboard of described lid is sheathed on that corresponding screens muscle and stop bit muscle position are provided with a gathering sill behind the box body, the relative gathering sill slippage with the stop bit muscle of described screens muscle, the both ends of the surface of gathering sill and stop bit muscle are the right angle face, when both contact, the spline effect is arranged, can not cause the box cap to rotate excessively like this because rotatory force is excessive, thereby lose out effect plumbous and that close lead, the radian of gathering sill is greater than the radian sum of screens muscle and stop bit muscle, be provided with in the gathering sill one can relatively knockout end side surface Elastic Sliding the arc jump ring, when the lid left-right rotation guide effect is arranged, being unlikely to has stuck phenomenon, and described jump ring can embed and skid off draw-in groove, not knockout when jump ring embeds draw-in groove, knockout when jump ring skids off draw-in groove, described jump ring can slip over the screens muscle and embed draw-in groove when rotating after lid is sheathed on the knockout end, and backstop is in the stop bit muscle; Also being provided with a diameter on the described lid greater than the knockout hole of lead core diameter, just can align with the knockout groove when lid turns to certain angle in described knockout hole.

As a further improvement on the present invention, the circumference side of described box body knockout end is provided with an annular groove, corresponding lid inboard be sheathed on position behind the knockout end be provided with one with the ring-type muscle of annular groove coupling, described ring-type muscle and annular groove are matched in clearance, can radially rotate after making lid be sheathed on box body, lid does not get loose after cooperating, and is not stuck, easily rotate, and can not be axially excessive string moves.

As a further improvement on the present invention, described box body knockout end is that the two sides of symmetry are equipped with screens muscle and stop bit muscle with the axle center, and corresponding lid position is equipped with corresponding gathering sill and jump ring structure.

As a further improvement on the present invention, axially be arranged with two knockout holes on the described lid, prevent that cause can't knockout because of assembling dislocation.

As a further improvement on the present invention, the diameter in described knockout hole by dress lead core diameter 1.2-1.8 doubly, it is smooth and easy to be conducive to knockout, is unlikely to twin-core again, satisfies the requirement that the consumer singly pays lead for retractable pencil.

As a further improvement on the present invention, the other end of described box body is openend, a detachable sheathed rubber seat on the openend, the inside of rubber seat is axially arranged with a through hole, the interior shape of one end of through hole and the rubber form fit of required embedding through hole, can not cause during the dress rubber because producing sealing air pressure between rubber and the rubber seat, it is not in place to lead the rubber assembling; If after lead for retractable pencil uses up in box body, can put into the lead for retractable pencil that needs from the through hole in the rubber seat by pulling up rubber, reach the continue effect of usefulness of this box.

As a further improvement on the present invention, the side of described lid is provided with a salient point, effectively prevents can not arbitrarily rolling when lead box is put in desktop (or on the platform of plane) under not use state here.

The invention has the beneficial effects as follows: this lead box is the plumbous lead box of the unidirectional single expenditure of a rotary type, and outward appearance is peculiar attractive in appearance; By can finish open and close core action to the rotation of lid, after lid slipped over the screens muscle, stop bit influential point of tendons stoped lid to be rotated further, and when align with the knockout groove on the box body in the knockout hole on this moment lid, can realize out lead; When the knockout hole on the lid and the dislocation of the knockout groove on the box body, namely can't go out lead on the contrary; And the knockout bore dia is little greater than lead core diameter, has effectively improved to have more the inconvenience that core brings, and has removed this defective on the market preferably; By adopting the box body other end to be furnished with erasing rubber, can write mistake and wipe examination, conveniently write and change.

Description of drawings

Fig. 1 is structural representation of the present invention;

Fig. 2 is box body structure schematic diagram among the present invention;

Fig. 3 is lid structural representation among the present invention;

Fig. 4 is rubber holder structure schematic diagram among the present invention.

The specific embodiment

Embodiment: a kind of rotary type lead box, comprise the lid 2 that supplies to store the cylindrical box body 1 of lead for retractable pencil and be sheathed on box body 1 one ends, the end that described box body 1 is arranged with lid 2 is knockout end 11, described knockout end 11 is closed state, knockout end 11 end faces are provided with a knockout groove 12, the width of knockout groove 12 is at least greater than 1.5 times of the diameter of lead for retractable pencil, effectively remedy error that process produces and caused the lead for retractable pencil box body 1 of can't scurrying out smoothly, the side of described knockout end 11 along the circumferential direction is provided with a screens muscle 13, simultaneously along the circumferential direction be interval with a stop bit muscle 14 with screens muscle 13 in the side of knockout end 11, described screens muscle 13 forms a draw-in groove 15 with stop bit muscle 14 position at interval; The inboard of described lid 2 is sheathed on the box body 1 corresponding screens muscle 13 in back and stop bit muscle 14 positions are provided with a gathering sill 21, the relative gathering sill slippage with the stop bit muscle of described screens muscle, the both ends of the surface of gathering sill 21 and stop bit muscle 14 are the right angle face, when both contact, the spline effect is arranged, can not cause the box cap to rotate excessively like this because rotatory force is excessive, thereby lose out effect plumbous and that close lead, the radian of gathering sill 21 is greater than the radian sum of screens muscle 13 and stop bit muscle 14, be provided with in the gathering sill 21 one can relatively knockout end side surface Elastic Sliding arc jump ring 22, guide effect is arranged when lid 2 left-right rotation, being unlikely to has stuck phenomenon, described jump ring can embed and skid off draw-in groove, not knockout when jump ring embeds draw-in groove, knockout when jump ring skids off draw-in groove, described jump ring 22 are sheathed at lid 2 can slip over screens muscle 13 embedding draw-in grooves 15 when rotate knockout end 11 backs, and backstop is in stop bit muscle 14; Also being provided with a diameter on the described lid 2 greater than the knockout hole 23 of lead core diameter, just can align with knockout groove 12 when lid 2 turns to certain angle in described knockout hole 23.

The circumference side of described box body 1 knockout end 11 is provided with an annular groove 16, corresponding lid 2 inboards be sheathed on position behind the knockout end 11 be provided with one with the ring-type muscle 24 of annular groove 16 couplings, described ring-type muscle 24 is matched in clearance with annular groove 16, can radially rotate after making lid 2 be sheathed on box body 1, after cooperating, lid 2 do not get loose, not stuck, easily rotate, and can not be axially excessive string moves.

Described box body 1 knockout end 11 is that the two sides of symmetry are equipped with screens muscle 13 and stop bit muscle 14 with the axle center, and corresponding lid 2 positions are equipped with corresponding gathering sill 21 and jump ring 22 structures.

Axially be arranged with two knockout holes 23 on the described lid 2, prevent that cause can't knockout because of assembling dislocation.

The diameter in described knockout hole 23 by dress lead core diameter 1.2-1.8 doubly, it is smooth and easy to be conducive to knockout, is unlikely to twin-core again, satisfies the requirement that the consumer singly pays lead for retractable pencil)

The other end of described box body 1 is openend, a detachable sheathed rubber seat 3 on the openend, the inside of rubber seat 3 is axially arranged with a through hole 31, the interior shape of one end of through hole 31 and the rubber form fit of required embedding through hole 31, can not cause during the dress rubber because producing sealing air pressure between rubber and the rubber seat, it is not in place to lead the rubber assembling; If after lead for retractable pencil uses up in box body 1, can put into the lead for retractable pencil that needs from the through hole in the rubber seat by pulling up rubber, reach the continue effect of usefulness of this box.

The side of described lid 2 is provided with a salient point 25, effectively prevents can not arbitrarily rolling when lead box is put in desktop (or on the platform of plane) under not use state here.

This routine operating process is as follows: rotate lid 2 and make jump ring 22 be in just in the draw-in groove 15, and backstop is in stop bit muscle 14, lid can't be rotated further towards stop bit muscle 14 directions, staggers with the knockout groove 12 of box body 1 knockout end 11 in the knockout hole 23 on the lid 2, and this moment, box body 1 was in the core state that closes; When firmly rotating lid 2 in the opposite direction, make jump ring 22 slip over screens muscle 13, align with the knockout groove 12 of box body 1 knockout end 11 in knockout hole 23 on the lid 2, and an end of gathering sill 21 pushes against just in stop bit muscle 14, stop lid 2 to be rotated further, it is excessive to avoid lid 2 to rotate, and this moment, box body 1 was in the knockout state.

Claims

1. rotary type lead box, comprise the lid (2) that supplies to store the cylindrical box body (1) of lead for retractable pencil and be sheathed on box body (1) one end, it is characterized in that: the end that described box body (1) is arranged with lid (2) is knockout end (11), described knockout end (11) is closed state, knockout end (11) end face is provided with a knockout groove (12), the width of knockout groove (12) is at least greater than 1.5 times of the diameter of lead for retractable pencil, the side of described knockout end (11) along the circumferential direction is provided with a screens muscle (13), simultaneously along the circumferential direction be interval with a stop bit muscle (14) with screens muscle (13) in the side of knockout end (11), described screens muscle (13) forms a draw-in groove (15) with stop bit muscle (14) position at interval; The inboard of described lid (2) is sheathed on box body (1) back corresponding screens muscle (13) and stop bit muscle (14) position is provided with a gathering sill (21), the relative gathering sill slippage with the stop bit muscle of described screens muscle, the radian of gathering sill (21) is greater than the radian sum of screens muscle (13) and stop bit muscle (14), be provided with in the gathering sill (21) one can relatively knockout end side surface Elastic Sliding arc jump ring (22), described jump ring can embed and skid off draw-in groove; Also being provided with a diameter on the described lid (2) greater than the knockout hole (23) of lead core diameter, just can align with knockout groove (12) when turning to certain angle at lid (2) in described knockout hole (23).

2. rotary type lead box according to claim 1, it is characterized in that: the circumference side of described box body (1) knockout end (11) is provided with an annular groove (16), corresponding lid (2) inboard be sheathed on position behind the knockout end (11) be provided with one with the ring-type muscle (24) of annular groove (16) coupling, described ring-type muscle (24) is matched in clearance with annular groove (16).

3. rotary type lead box according to claim 1, it is characterized in that: described box body (1) knockout end (11) is that the two sides of symmetry are equipped with screens muscle (13) and stop bit muscle (14) with the axle center, and corresponding lid (2) position is equipped with corresponding gathering sill (21) and jump ring (22) structure.

4. rotary type lead box according to claim 1 is characterized in that: axially be arranged with two knockout holes (23) on the described lid (2).

5. according to claim 1 or 4 described rotary type lead boxes, it is characterized in that: the diameter in described knockout hole (23) by dress lead core diameter 1.2-1.8 doubly.

6. rotary type lead box according to claim 1, it is characterized in that: the other end of described box body (1) is openend, a detachable sheathed rubber seat (3) on the openend, the inside of rubber seat (3) is axially arranged with a through hole (31), the rubber form fit of the interior shape of an end of through hole (31) and required embedding through hole (31).

7. rotary type lead box according to claim 1, it is characterized in that: the side of described lid (2) is provided with a salient point (25).