CN2889985Y

CN2889985Y - Adjustable paper-feeding mechanism

Info

Publication number: CN2889985Y
Application number: CN 200520147036
Authority: CN
Inventors: 洪海龙
Original assignee: Kinpo Electronics Inc
Current assignee: Kinpo Electronics Inc
Priority date: 2005-12-27
Filing date: 2005-12-27
Publication date: 2007-04-18
Anticipated expiration: 2015-12-27

Abstract

The utility model relates to an adjustable paper-feeding mechanism which is characterized in that when paper is taken out by a paper-taking roller, a worm drives a worm wheel which further drives a rotating rod to make the cam on the rotating rod move circularly and to further drive a paper-feeding base to move upward. The utility model is applicable to paper with different thickness, and the increase in applied paper range can meet requirements of customers and enhance competitiveness of the product.

Description

Variable Type Organization of Paper Feed

Technical field

The utility model relates to a kind of Variable Type Organization of Paper Feed, and particularly a kind of paper at multiple different-thickness can normally be got the Variable Type Organization of Paper Feed of paper work smoothly.

Background technology

Existing paper carrier, prior art described in letter patent book number No. 541252, be to include a plurality of pickup rollers, one tradable friction lining, one gets reel, one movable year cardboard, one substrate be located at the below of described movable year cardboard and a compression spring be located at described movable year cardboard and substrate between, because the two ends of compression spring are to be separately fixed at the lower surface of movable year cardboard and the upper surface of substrate, so compression spring the pressurized degree of paper carrier during in full paper can be greater than paper carrier pressurized degree during in empty paper, and because the difference of compression spring pressurized degree, the gap that compression spring vertically acts on the component on year cardboard is also very big, when on carrying cardboard, only placing the paper of only a few, because compression spring only vertically acts on very little component and is carrying on the cardboard, pickup roller puts on the propulsive effort that carries the paper on the cardboard can be very little, thereby can cause the situation that to get paper, when on carrying cardboard, placing a lot of paper, because the component that the vertical effect of compression spring is very big is carrying on the cardboard, pickup roller puts on the propulsive effort that carries the paper on the cardboard can be very big, thereby can cause multiple situation of getting paper.

Be the countermeasure of taking at above-mentioned situation, the patent of as above opening is mentioned a kind of paper carrier, it includes a substrate, one movable year cardboard, be used for bearing paper, it includes a fixed end and and rotates end, described fixed end is to be fixed on the described substrate, and described rotation end is the top of being located at described substrate in rotating mode, one chute, be located at the downside of described movable year cardboard, an and springing, the one end is to be fixed on the described substrate, the other end is slidably to be located in the described chute, it mainly is by changing compression spring, or the angle of the torsion spring application of force, compensate the elastic force change of compression spring or torsion spring itself, therefore the scope of pickup roller propulsive effort that paper is applied can be dwindled, so the action that paper carrier can normally be got paper to the paper of more kinds of different-thickness can't not got paper and do not have, or multiple situation of getting paper takes place.

Framework that case is taken off is too complicated before described, and also there is tired secret worry in spring, therefore proposes the problem that a kind of Variable Type Organization of Paper Feed solves the printing of different-thickness paper.

Summary of the invention

The purpose of this utility model promptly provides a kind of Variable Type Organization of Paper Feed, mainly be to be provided with a cam in a revolving bar, also can drive a paper feed substrate when described cam rotates because of described revolving bar upwards lifts, make a described paper feed substrate and a band paper roller bearing produce bigger gap, driven to allow thicker paper.

In order to reach purpose described in the utility model, the utility model provides a kind of Variable Type Organization of Paper Feed, it is characterized in that, includes: a pedestal; One band paper roller bearing, it is to be articulated in described pedestal place; One paper feed substrate, it is to be articulated in described pedestal, and described paper feed substrate is to present flat plate body structure on the surface towards described band paper roller bearing; One stopper, it is to present the structure that hollow runs through, and is arranged on another surface of described paper feed substrate; One revolving bar, it is to be articulated in described pedestal, and comprise a cam, described cam is to have the contoured face that protrudes described revolving bar surface, and the position that described revolving bar is provided with described cam place is that corresponding rank is gone into described stopper hollow through part, and see through the anglec of rotation of selecting described revolving bar, and make described cam contact with the inside face of described stopper part.

The advantage that the utlity model has: the utility model be in described paper feed substrate be provided with can with a stopper of the cam of described revolving bar collocation, to make things convenient for cam when rotation is contacted with described stopper, can easily described paper feed substrate upwards be lifted, and the power resources of described revolving bar are provided by the worm screw that a worm gear reaches with described worm gear is arranged in pairs or groups mutually, wherein said worm gear is to be connected with an end of described revolving bar, when rotating described worm screw and drive described worm gear on the way, the user rotates, and and then make described revolving bar begin to rotate, in the hope of reaching the above-mentioned purpose that the paper feed substrate is upwards lifted, make a described paper feed substrate and a band paper roller bearing produce bigger gap, driven to allow thicker paper.

For making those skilled in the art understand the purpose of this utility model, feature and effect, by following specific embodiment, and cooperate appended graphic, in detail explanation as after.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model Variable Type Organization of Paper Feed;

Fig. 2 is the simple and easy scheme drawing in side of the adjustable paper carrier initial condition of the utility model;

Fig. 3 is the simple and easy scheme drawing in side of the adjustable paper carrier actuator state of the utility model.

Description of reference numerals: 10-band paper roller bearing; 20-paper feed substrate; The 22-fulcrum; The 24-fin; The 26-rubber washer; The 30-stopper; The 40-revolving bar; The 42-cam; The 50-worm gear; The 60-worm screw; 70-replys member; The 80-paper; 80 '-paper.

The specific embodiment

See also as shown in Figure 1, it is schematic perspective view for the utility model Variable Type Organization of Paper Feed, the utility model relates to a kind of Variable Type Organization of Paper Feed, mainly include a band paper roller bearing 10, a paper feed substrate 20, a stopper 30 and a revolving bar 40, can cooperate the Variable Type Organization of Paper Feed of carrying different-thickness paper 80 and form one.Below will do a detailed description at specific embodiment of the utility model.

In the above-mentioned Variable Type Organization of Paper Feed of the present utility model, described band paper roller bearing 10 is one to have the initiatively roller body of power, and is articulated in the pedestal (not shown) of paper feed mechanism, carries out the conveying of paper 80 in order to traction paper 80; Described paper feed substrate 20 is to present flat plate body structure at the surface element towards described band paper roller bearing 10 at least, and described paper feed substrate 20 is to see through the pedestal that the set fulcrum 22 of an end is articulated in paper feed mechanism, make that described paper carrier 20 is to make mechanism's pivoting action by described fulcrum 22, cause forming between described band paper roller bearing 10 and the described paper feed substrate 20 suitable gap to allow paper 80 pass through; Described stopper 30 is that another surface of being arranged at described paper feed substrate 20 is gone up and is the structure that hollow runs through aspect; Described revolving bar 40 is the pedestals that are articulated in paper feed mechanism, described revolving bar 40 1 surfaces are provided with a cam 42, described cam 42 is to have the contoured face that protrudes described revolving bar 40 surfaces, and the position that described revolving bar 40 is provided with described cam 42 places is that corresponding rank is gone into described stopper 30, and see through the anglec of rotation of selecting described revolving bar 40, and make described cam 42 contact with the inside face of described stopper 30 parts.

The preferable set-up mode of the shaft axis of the axis of above-mentioned band paper roller bearing 10, the axis of described fulcrum 22 and described revolving bar 40 is to set up in the mode that is parallel to each other.

Moreover, one end of above-mentioned revolving bar 40 is provided with a worm gear 50, and a worm screw 60 corresponding described worm gears 50 and articulate are arranged in the described pedestal, make described worm screw 60 and described worm gear 50 engagements, therefore when described worm screw 60 rotations, will drive described worm gear 50 in the lump and described revolving bar 40 is made circular movement.Wherein, described worm gear 50 is a kind of mechanism's combination rotating mechanisms to being constituted with worm screw 60, one end of revolving bar 40 of the present utility model can be provided with the rotating mechanism of described revolving bar 40 turned positions of any scalable, make up with the mechanism that worm screw 60 is constituted and replace described worm gear 50, and such rotating mechanism is to select to have the initiatively power input or the rotating mechanism of manual power input.

Fig. 2 is the simple and easy scheme drawing in side for the adjustable paper carrier initial condition of the utility model, and Fig. 3 is the simple and easy scheme drawing in side of the adjustable paper carrier actuator state of the utility model.It is shown to please refer to Fig. 2, when initial condition, keep a little gap between described band paper roller bearing 10 and the described paper feed substrate 20 or slightly contact, and tolerable enters than the paper 80 that approaches, and drives described paper 80 with suitable friction force.Moreover, it is shown to please refer to Fig. 3, to drive described worm gear 50 in the lump when the user rotates described worm screw 60 rotates, and described worm gear 50 is because of on the end that is arranged at described revolving bar 40, so described revolving bar 40 also will with rotation, and the described cam 42 that is arranged on the described revolving bar 40 is also followed the works circular movement in the lump, make described cam 42 along with described revolving bar 40 is made circular movement, and cause the surface profile part of the described cam 42 that contacts with described stopper 30 can act on described stopper 30, making described paper feed substrate 20 is the pivot center with fulcrum 22, quilt slowly upwards lifts, cause the described band paper roller bearing 10 and the gap of described paper feed substrate 20 to strengthen, can provide suitable friction force to drive described paper 80 to cooperate the bigger paper 80 ' of thickness, to make.Therefore, the adjusting of described revolving bar 40 can allow the paper of different-thickness all can be driven under suitable friction force.

Refer again to shown in Figure 1, the adjacent answer member 70 that is provided with of the another side of described paper feed substrate 20, described answer member 70 is to can be shell fragment or spring, the restoring force of described paper feed substrate 20 mainly is provided, even described answer member 70 produced deformation and stores restoring force when described paper feed substrate 20 was lifted, and when described paper feed substrate 20 desires when the aspect that is lifted returns back to initial aspect, the user must rotate described worm screw 60 again, to impel described cam 42 no longer to contact with described stopper 30, at this moment, described answer member 70 will return back to initial aspect and discharge its restoring force, so that can push described paper feed substrate 20 to initial position, wherein, more can be provided with a fin 24 in described paper feed substrate 20, described fin 24 is between described paper feed substrate 20 and described answer member 70, to strengthen the effect of described answer member 70.

In addition, please refer to Fig. 1, Fig. 2 and shown in Figure 3, described paper feed substrate 20 has a rubber washer 26 towards the surface of band paper roller bearing 10, described rubber washer 26 is constituted with rubber material or other suitable material with pliability characteristic, when driving described paper 80 at described band paper roller bearing 10, described rubber washer 26 can cooperate provides a guidance surface.

Below the utility model is done one and describe in detail, the above only is a preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented.Be that all equalizations of doing according to the utility model application range change and modify etc., all should still belong in the patent covering scope of the present utility model.

Claims

1. a Variable Type Organization of Paper Feed is characterized in that, includes:

One pedestal;

One band paper roller bearing, it is to be articulated in described pedestal place;

One paper feed substrate, it is to be articulated in described pedestal, and described paper feed substrate is towards described band paper roller bearing

One surface is to present flat plate body structure;

One stopper, it is to present the structure that hollow runs through, and is arranged on another surface of described paper feed substrate;

One revolving bar, it is to be articulated in described pedestal, and comprise a cam, described cam is to have the contoured face that protrudes described revolving bar surface, and the position that described revolving bar is provided with described cam place is that corresponding rank is gone into described stopper hollow through part, and see through the anglec of rotation of selecting described revolving bar, and make described cam contact with the inside face of described stopper part.

2. Variable Type Organization of Paper Feed as claimed in claim 1 is characterized in that: the fulcrum of described band paper roller bearing, described paper feed substrate and the axis of described revolving bar are to be parallel to each other.

3. Variable Type Organization of Paper Feed as claimed in claim 1 is characterized in that: on the described paper feed substrate adjacent have provide one of described paper feed substrate restoring force to reply member.

4. Variable Type Organization of Paper Feed as claimed in claim 3 is characterized in that: described answer member is to be shell fragment or spring.

5. Variable Type Organization of Paper Feed as claimed in claim 3 is characterized in that: described paper feed substrate is provided with a fin, and described fin is adjacent with described answer member.

6. Variable Type Organization of Paper Feed as claimed in claim 5 is characterized in that: described answer member is to be shell fragment or spring.

7. Variable Type Organization of Paper Feed as claimed in claim 1 is characterized in that: described revolving bar one end is provided with a rotating mechanism.

8. Variable Type Organization of Paper Feed as claimed in claim 7, it is characterized in that: described rotating mechanism is a worm screw that includes a worm gear and arrange in pairs or groups with described worm gear, described worm gear is to be arranged at described revolving bar one end, and described worm screw then is to articulate to be arranged in the described pedestal.

9. Variable Type Organization of Paper Feed as claimed in claim 1 is characterized in that: described paper feed substrate has a rubber washer towards the surface of band paper roller bearing.