CN2350212Y

CN2350212Y - Drawing replaced correction band structure

Info

Publication number: CN2350212Y
Application number: CN 98208017
Authority: CN
Inventors: 张宏基
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-09
Filing date: 1998-09-09
Publication date: 1999-11-24
Anticipated expiration: 2008-09-09

Abstract

The utility model relates to a drawing replaced correction band structure which comprises a shell, a drawing replaced seat, a ratchet wheel, a belt feeding wheel, and a belt receiving wheel, wherein, a rotating shaft of the ratchet wheel passes through a through hole of a central sheet of the drawing replaced seat, and a first inlaid element of the drawing replaced seat is inlaid in a second element of the belt receiving wheel in a corresponding way, so that the ratchet wheel and the belt receiving wheel rotate synchronously. A hollow circular hole of the belt feeding wheel is inlaid on a friction body of the ratchet wheel, and the belt feeding wheel and the belt receiving wheel can achieve synchronous rotation for the static friction force of the friction body of the ratchet wheel or achieve corresponding rotation transmission for dynamic friction force. The utility model has the advantages of simple structure, easy assembly, low manufacture cost, and convenient operation. The drawing replaced correction band structure can draw and change correction band boxes and reuse to reduce environmental pollution.

Description

Swapping type correction band structure

The utility model relates to a kind of correction band structure, refers to a kind of applicable to using up the whole swapping type correction band structure of substituting into new product continuation use of old correction ribbon box especially.

Existing correction band structure (as shown in Figure 5), it revises belt body 6 is to be sent by pulley 81, will revise rete in band outlet 82 places and coat on the paper, backrush is on take-up pulley 83 again.Yet pulley 81 and take-up pulley 83 be for making the 6 smooth transmissions of correction belt body, and the two is all with the transmission that is meshing with each other of non-coaxial gear 811,831, these gears 811,831 to manufacture and design expense very high, the very little trouble that also often causes of part directly increases dealer's cost during assembling.And careless slightly in consumer's use, then often make two gears 811,831 take off tooth, causing can't engaged transmission even whole piece correction belt body 6 be scattered a ground, very puzzlement.In addition, after existing correction belt body 6 uses, have to abandon, form a kind of waste, and contaminated environment cause public hazards together with shell 9.

The purpose of this utility model provide a kind of simple in structure, assembling easily, reduce manufacturing cost, easy to use, and can reduce environmental pollution, reduce the swapping type correction band structure of public hazards.

For achieving the above object, the utility model is taked following design: swapping type correction band structure, and it includes a housing, and substitutes seat, a ratchet, a pulley and a take-up pulley;

This housing comprises an inner medium altitude chamber that forms and a leading section, a rearward end, and leading section is provided with an opening, and rearward end is offered one and substituted groove, and housing also is arranged with one first buckling element in contiguous two sides of substituting groove;

This is substituted seat and is included in the central plate that extends on the shell block, and shell block two sides respectively are provided with a shell fragment, have second buckling element on the shell fragment, and the central plate front end is provided with a band outlet, and the rear end is connected on the shell block and is provided with a perforation and a non-return shell fragment;

This ratchet comprises a rotating shaft and a disk body, and rotating shaft is provided with at least one first chimeric element in its periphery, and disk body is equipped with a plurality of unidirectional ratchet correspondences and is resisted against this non-return shell fragment on its card, and at least one friction body is set on the opposite side card;

This pulley be included in a hollow wheel shaft outside form go out the band hollow round hole inner with it, and be nested on these friction pieces with hollow round hole;

This take-up pulley is included in a circle center hole and a take-up ring that forms on the disk body, and the circle center hole periphery is provided with at least one second chimeric element.

Earlier the rotating shaft of ratchet is passed the perforation of central plate during assembling, and with its first chimeric element correspondence in the second chimeric element that is embedded in take-up pulley, ratchet, take-up pulley form synchronous rotation, hollow round hole with pulley is nested on the friction piece of ratchet again, rotation or relative rotation, the smooth-going transmission by kinetic force of friction synchronously by the stiction of ratchet friction piece between pulley and take-up pulley.

Wherein, the external diameter of this take-up ring can be set as greater than going out the band external diameter, when making new correction belt body be wound in out the band external diameter, and the just similar and smooth-going transmission of energy with take-up ring external diameter;

Friction piece can be arranged on the disk body of ratchet along same radius, isogonism, make quiet, kinetic force of friction all can be comparatively even;

First, second buckling element can be the button hole and the protruding button that can fasten mutually, and vice versa;

First, second chimeric element can be can chimeric mutually projection and groove, and vice versa.

Pulley of the present utility model or take-up pulley can be nested in the rotating shaft of ratchet avoiding by blind plug or baffle ring and can not break away from vertically;

The housing rearward end can be provided with inspection window can inspect correction belt body surplus; Can be provided with fixture block corresponding to the inspection window position on the shell block and can embed inspection window, help assembling or when substituting as positive and negative identification use;

Central plate two sides can be respectively equipped with guide rod, are beneficial to revise the guiding that belt body goes out band.

The utility model can be established a sliding sleeve in shell nozzle place cunning, makes to pull out can expose the correction belt body for using after sliding sleeve can be protected band outlet, retraction; This sliding sleeve can slightly be a hollow cylinder, and can be provided with at least one slide block in the rear end, and this housing also can cooperate in the opening inboard and is provided with at least one chute, and the corresponding chute of slide block can smooth-goingly be slided.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the utility model three-dimensional combination figure

Fig. 2 is the utility model three-dimensional exploded view

Fig. 3 is the utility model side sectional view

Fig. 4 is the utility model front section view

Fig. 5 is the existing band structure schematic diagram of revising

As shown in Figure 1 and Figure 2, the utlity model has a housing 1, and substitute seat 2, one ratchet 3, a pulley 4 and a take-up pulley 5.Housing 1 has an inner hollow room 11, a leading section 12 and a rearward end 13, and leading section 12 is provided with an opening 121, and rearward end 13 is offered one and substituted groove 131, and housing 1 also is arranged with a button hole (first buckling element 132) in contiguous two sides of substituting groove 131.Substitute seat 2 and on a shell block 21, extended central plate 22, shell block 21 2 sides respectively are provided with a shell fragment 211, has protruding button (second buckling element 212) on the shell fragment 211, central plate 22 front ends are provided with a band outlet 221, the rear end is connected on the shell block 21 and is provided with a perforation 222 and a non-return shell fragment 223, and central plate 22 also is respectively equipped with a guide rod 224 in two sides and is beneficial to and revises the guiding that belt body 6 goes out band.

Ratchet 3 has a rotating shaft 31 and a disk body 32, rotating shaft 31 is provided with four projections (the first chimeric element 311) in its periphery, disk body 32 is equipped with a plurality of unidirectional ratchets 321 on its card, correspondence is resisted against and only makes one-directional rotation on the non-return shell fragment 223, and in first-class radius of opposite side card and isogonism two friction pieces 322 is set.Pulley 4 forms one in a hollow wheel shaft 41 external rings side faces and goes out band 411, and inside forms a hollow round hole 412, and is nested on this two friction piece 322 with hollow round hole 412.Take-up pulley 5 is formed with a circle center hole 51 and a take-up ring 52 on a disk body 50, circle center hole 51 is formed with four grooves (the second chimeric element 511) in periphery.

During assembling, earlier the rotating shaft 31 of ratchet 3 is passed the perforation 222 of central plate 22, and with four projections (the first chimeric element 311), four grooves (the second chimeric element 311) correspondence that correspondence is embedded in take-up pulley 5 is embedded in four grooves (the second chimeric element 511) of take-up pulley 5, forms ratchet 3 and can rotate synchronously with take-up pulley 5.Inferiorly will organize the pulley 4 that good whole volume revises belt body 6 and be nested in its hollow round hole 412 on two friction pieces 322 of ratchet 3, and pulley 4, take-up pulley 5 will be embedded in two ends of ratchet 3 rotating shafts 31, avoid axial disengaging with a blind plug 42 and baffle ring 53.

As shown in Figure 3, Figure 4, this correction belt body 6 is to walk around guide rod 224 through band outlet 221 and the guide rod 224 of other side that arrives and take-up pulley 5 by pulley 4.Pulley 4, ratchet 3, take-up pulley 5 will have been organized again in substituting on the seat 2, integral body is inserted in the medium altitude chamber 11 of housing 1 inside, and is fastened on formation snapping bonding state in housing 1 two button holes (first buckling element 132) with the protruding button (second buckling element 212) of shell block 21 2 side shell fragments 211.

During use, revise belt body 6 by go out band 411 through band outlet 221 around take-up ring 52 to other side.In the present embodiment, the external diameter of take-up ring 52 is set as greater than the external diameter that goes out band 411, so the new correction belt body 6 of whole volume be mounted on out band 411 back external diameters just and take-up ring 5 sides similar, therefore the required rotating cycle of pulley 4 and take-up pulley 5 is identical, and this can impel pulley 4, ratchet 3 and take-up pulley 5 can rotate synchronously and reach by the stiction of 412 of friction piece 322 and hollow round hole.But use more more after a little while when revising belt body 6, revising belt body 6 most is wound on the take-up pulley 5, cause correction belt body 6 external diameters of correction belt body 6 external diameters of pulley 4 sides less than take-up pulley 5 sides, therefore the required rotating cycle of pulley 4 will more than with take-up pulley 5, can change with dynamic friction by friction piece 322 and hollow round hole 412 breakthroughs stiction this moment and impel pulley 4 and take-up pulley 5 to rotate relatively, continue smooth-going transmission.Abandoning tradition gears engaged structure, can have simplicity of design, assembling easily, reduce manufacturing cost, advantage easy to use; And, can reduce environmental pollution, reduce public hazards because of substituting whole correction ribbon box (contain and substitute seat 2, ratchet 3, pulley 4 and take-up pulley 5) continuation use.

Present embodiment is provided with inspection window 133 in housing 1 rearward end 13 in addition, can inspect the surplus of revising belt body 6.Corresponding inspection window 133 positions are provided with a fixture block 213 to embed in the inspection window 133 on the shell block 21, help assembling or when substituting as positive and negative identification use.In addition; present embodiment is provided with two chutes 122 in housing 1 opening 121 inboards in addition; one sliding sleeve 14 that slightly is hollow cylinder is slidedly arranged in this two chute 122 with two slide blocks 141 of its rear end, makes to pull out sliding sleeve 14 and can protect band outlet 221, can expose behind the retraction sliding sleeve 14 to revise belt body 6 and use.

Claims

1, a kind of swapping type correction band structure is characterized in that: mainly include:

One housing, the inner medium altitude chamber that forms, this housing includes a leading section and a rearward end, and leading section is provided with an opening, and rearward end is offered one and is substituted groove, and housing also is arranged with one first buckling element in being close to two sides of substituting groove;

One substitutes seat, is included in the central plate that extends on the shell block, and these shell block two sides respectively are provided with a shell fragment, have second buckling element on the shell fragment, and this central plate front end is provided with a band outlet, and the rear end is connected on the shell block and is provided with a perforation and a non-return shell fragment;

One ratchet comprises a rotating shaft and a disk body, and this rotating shaft is provided with at least one first chimeric element in its periphery, and this disk body is equipped with a plurality of unidirectional ratchet correspondences and is resisted against this non-return shell fragment on its card, and at least one friction piece is set on the opposite side card;

One pulley, be included in a hollow wheel shaft outside form go out the band hollow round hole inner with it, and be nested on these friction pieces with hollow round hole;

One take-up pulley is included in the circle center hole and the take-up ring that form on the disk body, and this circle center hole periphery is provided with at least one second chimeric yuan.。

2, swapping type correction band structure according to claim 1 is characterized in that: this take-up ring external diameter goes out the band external diameter greater than this.

3, swapping type correction band structure according to claim 1, it is characterized in that: this friction piece is along same radius, isogonism setting.

4, swapping type correction band structure according to claim 1, it is characterized in that: this first buckling element is a button hole, this second buckling element is protruding button.

5, swapping type correction band structure according to claim 1 is characterized in that: this first chimeric element is a projection, and this second chimeric element is a groove.

6, swapping type correction band structure according to claim 1 is characterized in that: include a blind plug, can not break away from vertically in order to avoid pulley.

7, swapping type correction band structure according to claim 1 is characterized in that: include a baffle ring, can not break away from vertically in order to avoid take-up pulley.

8, swapping type correction band structure according to claim 1, it is characterized in that: include a sliding sleeve, be a hollow cylinder, the rear end is provided with at least one slide block, and inboard corresponding these slide block places of the opening of this housing leading section are provided with at least one chute.

9, swapping type correction band structure according to claim 1, it is characterized in that: this housing rearward end is provided with inspection window, and correspondence is provided with fixture block on this shell block.

10, swapping type correction band structure according to claim 1 is characterized in that: these central plate two sides are respectively equipped with guide rod.