CN100412705C

CN100412705C - Knuckle arm

Info

Publication number: CN100412705C
Application number: CNB200410097070XA
Authority: CN
Inventors: 张矿伟; 陈太雄
Original assignee: Asia Optical Co Inc
Current assignee: Asia Optical Co Inc
Priority date: 2004-12-21
Filing date: 2004-12-21
Publication date: 2008-08-20
Anticipated expiration: 2024-12-21
Also published as: CN1797223A

Abstract

The present invention discloses a joint arm which is used for connecting a body of a machine and an upper cover. The joint arm comprises a base fixedly arranged on the body and provided with an inclined containing rack, an inner sliding base which can slide in the containing rack and is provided with a track surface, a plurality of elastic components arranged between the containing rack and the inner sliding base, a first pivoting base sheathed on the outer side of the base, a pressing rod passing through the first pivoting base and pressing the track surface, a second pivoting base glidingly arranged outside the first pivoting base, a third pivoting base pivoted outside the second pivoting base and assembled with the upper cover, and a plurality of pivoting rods passing through the third pivoting base. Thus, the present invention has the characteristics of operating labor saving, clean paper maintenance and single track surface manufacture.

Description

The joint arm of original copy cover plate in duplicating machine or scanning machine

Technical field

The present invention relates to a kind of duplicating machine or scanning machine, particularly relate to a kind of in duplicating machine or scanning machine the joint arm of original copy cover plate.

Background technology

Usually business machine (duplicating machine for example, can install two joint arms between loam cake scanning machine) and body, to connect this loam cake and body and to make this loam cake close or to open with respect to this body, as shown in Figure 1, the U.S. the 6th, 456, the joint arm 10 of No. 365 patent cases, has a mount pad 11 that is consolidated in a body 21 of a duplicating machine 20, one is the joint seat 12 that is hubbed at this mount pad 11 rotationally, be slidingly installed in an end cam slide 13 and a top cam slide 14 in this joint seat 12 respectively, one device is at this two cams slide 13,14 compression spring 15, one is the lifting seat 16 of a loam cake 22 that is hubbed at this joint seat 12 and fixed this duplicating machine 20 rotationally, one is located in the end hinged arm 17 of a track plane 131 of this

mount pad

11 and 12 of this joint seats and this end cam slide 13 of conflicting, and a top hinged arm 18 that is located in a track plane 141 of this

joint seat

12 and 16 of this lifting seats and this top cam slide 14 of conflicting.

By above-mentioned composition, when the user forces in this loam cake 22, just can make this loam cake 22 with respect to this body 21 open or close with reach can copy the material function, but still have following shortcoming:

One, when opening or closing this loam cake 22, need bear the weight of this lifting seat 16, this joint seat 12, this top cam slide 14, this spring 15 and this end cam slide 13 simultaneously, the shortcoming of effort of operation is arranged.

Two, because of this top cam slide 14, end cam slide 13 slippage in this joint seat 12; so must apply lubricating oil with normal guarantor's smooth slippage; but because revealing with this end cam slide 13 and this joint seat 12, puts outside this mount pad 11 this top cam slide 14, so have the shortcoming of easier stained paper.

Three, because all must making with this top cam slide 14, this end cam slide 13 establishes accurate track plane 131,141, so have design, the higher shortcoming of manufacturing cost.

Summary of the invention

The objective of the invention is provide a kind of operation more laborsaving, can keep paper clean and only need to make the joint arm of original copy cover plate in duplicating machine or scanning machine of single track plane.

Joint arm of the present invention is to be connected between the body and original copy cover plate of a duplicating machine or scanning machine, it is characterized in that:

This joint arm comprises

One pedestal, comprise that one is fixedly arranged in the consolidation board of this body, from curved two pin plates of establishing of this consolidation board, be arranged at 2 first pivot holes of this two pin plate, an and containing rack that is installed between this two pin plate, this containing rack has a roof and a diapire that is installed between this two pin plate and favours this consolidation board and space, and one link this roof and install wall with one of this diapire, this roof, diapire, installs wall and also cooperates with this two pin plate and define a room.

Slide in one is slidingly installed in this room and favours this consolidation board, has a track plane and that is reverse setting and installs face.

At least one elastic component is installed in this room and butted this installs wall and the face that installs that is somebody's turn to do interior slide.

One first pivot seat, 2 first wing plates that comprise the two pin plates outside that lays respectively at this pedestal, one links first web joint of this 2 first wing plate, be arranged at two perforation, two strip holes, two perforates of this 2 first wing plate, and from the two relative compression blocks of this two perforate towards the inboard setting of this first wing plate.

One depression bar, two perforation and the pressure that are placed through this first pivot seat are touched this track plane.

One second pivot seat, 2 second wing plates that comprise the 2 first wing plates outside that lays respectively at this first pivot seat, one links second web joint of this 2 second wing plate, from curved relatively two limiting plates of establishing of this 2 second wing plate, one is cooperated with this two limiting plate by this 2 second wing plate, this second web joint and to be formed for this first pivot seat slippage and spacing room that can only linear slippage, and is arranged at 2 second pivot holes, two arcuate sockets and 2 the 3rd pivot holes of these 2 second wing plates.

One first hinged arm is arranged in 2 second pivot holes of this second pivot seat and 2 first pivot holes of this pedestal.

One the 3rd pivot seat comprises 2 the 3rd wing plates in the 2 second wing plates outside that lays respectively at this second pivot seat, and one links this 2 the 3rd wing plate and the group knot plate fixed with this original copy cover plate, and is arranged at 2 the 4th pivot holes, the two Wushu holes of these 2 the 3rd wing plates.

One second hinged arm is arranged in two Wushu holes of the 3rd pivot seat and two arcuate sockets of this second pivot seat and two perforates and the pressure of this first pivot seat and puts this two compression block.

One the 3rd hinged arm is arranged in 2 the 4th pivot holes and 2 the 3rd pivot holes of this second pivot seat and two strip holes of this first pivot seat of the 3rd pivot seat.

By above-mentioned composition, because should interior slide be to be slidingly installed in this pedestal, add that the operator need not bear the weight of slide and this elastic component in this when opening or closing this original copy cover plate, institute so that the present invention have operation more laborsaving, can often protect clean and the characteristics that only need the single track plane of making of paper data.

Description of drawings

Fig. 1 is a combination section of the 6th, 456, No. 365 patent cases of the U.S.;

Fig. 2 is a sectional exploded view of joint arm one preferred embodiment of the present invention's original copy cover plate in duplicating machine or scanning machine;

Fig. 3 is a stereographic map of this preferred embodiment, and a pedestal is described;

Fig. 4 is a stereographic map of this preferred embodiment, and slide in is described;

Fig. 5 is a stereographic map of this preferred embodiment, and one first pivot seat is described;

Fig. 6 is a stereographic map of this preferred embodiment, and one second pivot seat is described;

Fig. 7 is a stereographic map of this preferred embodiment, and one the 3rd pivot seat is described;

Fig. 8 is a combination section of this preferred embodiment, illustrates that an original copy cover plate is in the state of 0 degree to 30 degree with respect to a body;

Fig. 9 is the view of a similar Fig. 8, illustrates that this original copy cover plate is in the state of 30 degree to 90 degree with respect to this body;

Figure 10 is the view of a similar Fig. 9, illustrates that this original copy cover plate is in the state of spending greater than 90 with respect to this body;

Figure 11 is the view of a similar Figure 10, illustrates that this preferred embodiment is in the state that duplicates a thick file;

Figure 12 is a curve map, and a moment shell of this preferred embodiment and the distribution of a gravitational torque are described.

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment the joint arm of original copy cover plate in duplicating machine or scanning machine that foundation the present invention proposes is elaborated.

Shown in Fig. 2,8, joint arm of the present invention is to be installed between the body 31 and original copy cover plate 32 of a duplicating machine or scanning machine 30, connecting this body 31 and this original copy cover plate 32, and makes this original copy cover plate 32 open or close with respect to this body 31.

This preferred embodiment comprises a pedestal 40, the one sliding interior slide of putting in this pedestal 40 50, be installed in this pedestal 40 and the several elastic components 60 between the slide 50 in this, one is hubbed on the first pivot seat 70 outside this pedestal 40, one is arranged in this first pivot seat 70 and presses the depression bar 100 that touches a track plane 51 of slide 50 in this, one is set in the second pivot seat 80 outside this first pivot seat 70, one is hubbed on the 3rd pivot seat 90 outside this second pivot seat 80, one is located in first hinged arm 101 between this second pivot seat 80 and this pedestal 40, and is located in the 3rd pivot seat 90, one second hinged arm 102 and one the 3rd hinged arm 103 between this second pivot seat 80 and this first pivot seat 70.

Shown in Fig. 2,3, this pedestal 40 comprises that one is fixedly arranged in consolidation board 41 (see figure 8)s of this body 31, and this consolidation board 41 is bent two pin plates 42 of establishing certainly, is arranged at 2 first pivot holes 43 of this two pin plate 42, and a containing rack 44 that is installed between this two pin plate 42.This containing rack 44 has a roof 441 and a diapire 442 that is installed between this two pin plate 42 and favours this consolidation board 41 and space, and one link this roof 441 and this diapire 442 install wall 443, this roof 441, diapire 442, install wall 443 and cooperate with this two pin plate 42 and define a room 444.

Shown in Fig. 2,4, should in slide 50 be sliding insert in this room 444 and favour this consolidation board 41, have a track plane 51 and that is reverse setting and install the face that installs 52 of wall 443 in the face of this, install face 52 from this and install that wall 443 extends and this roof 441 that reclines, diapire 442 and four of this two pin plate 42 wall 53 that reclines, and install face 52 from this and install the quadruplet post 54 that wall 443 extends towards this towards this.This track plane 51 has a first end 511 and a second end 512 that is reverse setting, and a protruding center section part 513 between this two end 511,512.

This four recline wall 53 recline respectively this roof 441, this diapire 442 and this two pin plate 42 have the effect that slide 50 leads, prevents to produce beat in this that can be in slipping.

This elastic component 60 is that the act compression spring is the example explanation in this preferred embodiment, be to be installed in this room 444 and to have to be reverse setting and to install respectively in this to install wall 443, install one first end pin 61, the one second end pin 62 of face 52, this elastic component 60 has can bestow that slide 50 1 installs the effect of the bullet thrust of wall 443 away from this in this.Preferably, this second end pin 62 is to be set in outside this sleeve column 54, has the effect that can strengthen these elastic component 60 firm effects.

Shown in Fig. 2,5, this first pivot seat 70 comprises 2 first wing plates 71 in two pin plates, 42 outsides that lay respectively at this pedestal 40, one links first web joint 72 of this 2 first wing plate 71, be arranged at two perforation, 73, two strip holes 74 of this 2 first wing plate 71, and from two perforates 75 with the two relative compression block 76 of this 2 first wing plate 71 towards the inboard setting.Each strip hole 74 respectively has and is reverse setting and near one first nose end 741 of this pedestal 40 and one second nose end 742 away from this pedestal 40.

As shown in Figure 8, this depression bar 100 is that two perforation 73 and the pressure that are placed through this first pivot seat 70 are touched this track plane 51, can bestow by this elastic component 60 that slide 50 1 will make can closely paste between this track plane 51 and this depression bar 100 and touch away from this bullet thrust that installs wall 443 in this.

Shown in Fig. 2,6, this second pivot seat 80 comprises 2 second wing plates 81 in 2 first wing plates, 71 outsides that lay respectively at this first pivot seat 70, one links second web joint 82 of this 2 second wing plate 81, from curved relatively two limiting plates of establishing 83 of this 2 second wing plate 81, one is cooperated with this two limiting plate 83 by this 2 second wing plate 81, second web joint 82 and to be formed for the sliding spacing room 84 of establishing and can only linear slippage of this first pivot seat 70, and is arranged at 2 second pivot holes 85, two arcuate sockets 86 and 2 the 3rd pivot holes 87 of these 2 second wing plates 81.Each arcuate socket 86 respectively has and is reverse setting and near one first nose end 861 of this pedestal 40 and one second nose end 862 away from this pedestal 40.

As shown in Figure 8, this first hinged arm 101 is to be arranged in 2 second pivot holes 85 of this second pivot seat 80 and 2 first pivot holes 43 of this pedestal 40.

Shown in Fig. 2,7, the 3rd pivot seat 90 comprises 2 the 3rd wing plates 91 in 2 second wing plates, 81 outsides that lay respectively at this second pivot seat 80, one links this 2 the 3rd wing plate 91 and group knot plate 92 (see figure 8)s fixed with this original copy cover plate 32, and is arranged at 2 the 4th pivot holes 93, the two Wushu holes 94 of these 2 the 3rd wing plates 91.

This second hinged arm 102 is that this two compression block 76 is put with two arcuate sockets 86 of this second pivot seat 80 and two perforates 75 and the pressure of this first pivot seat 70 in the two Wushu holes 94 that are arranged in the 3rd pivot seat 90.

The 3rd hinged arm 103 is 2 the 4th pivot holes 93 and 2 the 3rd pivot holes 87 of this second pivot seat 80 and two strip holes 74 of this first pivot seat 70 that are arranged in the 3rd pivot seat 90.

As shown in Figure 8, by above-mentioned composition, then the bullet thrust of this elastic component 60 slide 50 in this of bestowing can be delivered to this depression bar 100 successively, this first pivot seat 70, this two compression block 76, this second hinged arm 102, the 3rd pivot seat 90 and this loam cake 32, and to these first hinged arm, 101 formation one counter clockwise direction moment shell I, as for 32 of this original copy cover plates this first hinged arm 101 is formed a clockwise direction gravitational torque II, and this moment shell I and this gravitational torque II can be different and change to some extent along with the said modules position, slide 50 meeting slippages in the room 444 of this containing rack 44 in being somebody's turn to do relatively, details are as follows now:

Figure 12 shows that this original copy cover plate 32 arrives the curve map of opening through computing gained this moment shell I and this gravitational torque II with respect to these body 31 self closings, when this original copy cover plate 32 is 0 degree state with respect to this body 31, this gravitational torque II is greater than this moment shell I, so 32 of this original copy cover plates are in off-position, at this moment, as shown in Figure 8, this depression bar 100 is pressed the first end 511 that touches in this track plane 51.

As Fig. 2,9, shown in 12, when operator's application of force is opened this original copy cover plate 32, then can drive the 3rd pivot seat 90, this second hinged arm 102, the 3rd hinged arm 103, this second pivot seat 80, this first pivot seat 70 and this depression bar 100 rotate, and this depression bar 100 is to rotate for fulcrum around this first hinged arm 101, and the first end 511 of this track plane 51 moves towards this second end 512 certainly, when this original copy cover plate 32 cumulative when 30 spend with respect to this body 31 from 0 degree, be that to be this moment shell I reducing tendency less, the bigger state of this gravitational torque II reducing tendency, this moment shell I and this gravitational torque II also can produce first intersection point when 30 spend, just the two equates to make this original copy cover plate 32 can obtain the position of balance location automatically; Continue to open this original copy cover plate 32 make its with respect to this body 31 when 30 degree are cumulative, then this moment shell I and this gravitational torque II all decrescence a little less than, the two also can be at second intersection point of 45 degree positions generations; Continue to open this original copy cover plate 32 again and make it cumulative when 90 spend from 45 degree with respect to this body 31, then this moment shell I and this gravitational torque II all hurriedly subtract, and the two is also spent positions 90 and produce the 3rd intersection point; According to last explanation as can be known, the present invention in opening the process of this original copy cover plate 32, this original copy cover plate 32 have can be automatically towards the characteristics of equilibrium position rotational positioning.

As shown in figure 10, when this original copy cover plate 32 being opened into greater than 90 degree positions, then this depression bar 100 moves to this second end 512 from the center section part 513 of this track plane 51, and at this moment, 60 need of this elastic component provide few elastic force just can make this original copy cover plate 32 be in the balance position location.

Be noted that simultaneously the 3rd hinged arm 103 is first nose ends 741 that are positioned at this strip hole 74 when these original copy cover plate 32 self closings arrive opening, this second hinged arm 102 is positioned at second nose end 862 of this arcuate socket 86.

As Figure 10, shown in 11, when duplicating thick file, be that this original copy cover plate 32 is rotated towards off-position from opening, then this depression bar 100 will move towards this center section part 513 from the second end 512 of this track plane 51, this second hinged arm 102 is pressed and is put this two compression block 76 and transfer to first nose end 861 from second nose end 862 of this arcuate socket 86 simultaneously, and force slide 50 linear slippages in this in the spacing room 84 of this second pivot seat 80 of this first pivot seat 70, and this depression bar 100 is pressed and is put in this slide 50 and install wall 443 towards this and move, the 3rd hinged arm 103 is transformed into the state that is positioned at this second nose end 742 from first nose end 741 that originally is positioned at this strip hole 74 simultaneously, when this state, because this moment shell I and this gravitational torque II all increase, this original copy cover plate 32 still can be located automatically in an equilibrium position.

What deserves to be explained is, this original copy cover plate 32 also can directly be organized and tie in this second pivot seat 80 among the present invention, so, then can omit the 3rd pivot hole 87 of the 3rd hinged arm 103, the 3rd pivot seat 90, this second pivot seat 80 and the strip hole 74 of this first pivot seat 70, and in the case, the present invention still can possess the characteristics that this original copy cover plate 32 is located automatically in an equilibrium position.

Conclude above-mentionedly, joint arm of the present invention has effect as described below and advantage, so can reach the object of the invention really:

One, because the present invention is when opening or closing this original copy cover plate 32, need only bear the weight of this original copy cover plate 32, the 3rd pivot seat 90, this second pivot seat 80, this first pivot seat 70, this second hinged arm 102, the 3rd hinged arm 103 and this depression bar 100, need not bear the weight of this interior slide 50 and this elastic component 60, so design had operation than labour-saving effect and advantage more in the past.

Two, because the present invention should in slide 50 be latent to put slippage in the containing rack 44 of this pedestal 40, so can prevent that lubricating oil from exposing, and because of the distance paper far away, so that the present invention has the effect and the advantage that can keep the paper cleaning.

Three, because the present invention need only be provided with this track plane 51 by slide 50 in this, so have the effect and the advantage that can reduce design, manufacturing cost compared to design in the past.

Claims

1. the joint arm of an original copy cover plate in duplicating machine or scanning machine is to be connected between the body (31) and original copy cover plate (32) of described duplicating machine or scanning machine (30), it is characterized in that:

This joint arm comprises

One pedestal (40), comprise that one is fixedly arranged in the consolidation board (41) of this body (31), from curved two pin plates of establishing (42) of this consolidation board (41), be arranged at 2 first pivot holes (43) of this two pin plate (42), an and containing rack (44) that is installed between this two pin plate (42), this containing rack (44) has and is installed between this two pin plate (42) and a roof (441) of space and a diapire (442), reach this roof of binding (441) and install wall (443), this roof (441) with one of this diapire (442), diapire (442), install wall (443) and this two pin plate (42) and cooperate and define a room (444);

Slide (50) in one is to be slidingly installed in this room (444) and to have a track plane (51);

At least one elastic component (60) is to be installed in this room (444) and to bestow this interior slide (50) to install the bullet thrust of wall (443) away from this;

One first pivot seat (70), 2 first wing plates (71) that comprise two pin plates (42) outside that lays respectively at this pedestal (40), one links first web joint (72) of this 2 first wing plate (71), and is arranged at two perforation (73), two perforates (75) of this 2 first wing plate (71);

One depression bar (100) is to be placed through two perforation (73) of this first pivot seat (70) and to press the track plane (51) that touches slide (50) in this;

One second pivot seat (80), 2 second wing plates (81) that comprise 2 first wing plates (71) outside that lays respectively at this first pivot seat (70), one links this 2 second wing plate (81) organizes second web joint of tying (82) with this original copy cover plate (32), from curved relatively two limiting plates of establishing (83) of this 2 second wing plate (81), one by this 2 second wing plate (81), second web joint (82) cooperates the spacing room (84) that forms for this first pivot seat (70) slippage with this two limiting plate (83), and is arranged at 2 second pivot holes (85) of this 2 second wing plate (81), two arcuate sockets (86);

One first hinged arm (101) is to be arranged in 2 second pivot holes (85) of this second pivot seat (80) and the 2 first pivot holes (43) of this pedestal (40); And

One second hinged arm (102) is two perforates (75) that are arranged in two arcuate sockets (86) and this first pivot seat (70) of this second pivot seat (80).

2. as claimed in claim 1 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

This first pivot seat (70) also comprises from this two perforate (75) presses two compression blocks of putting (76) towards the inboard setting of this 2 first wing plate (71) and by this second hinged arm (102).

3. as claimed in claim 2 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

The roof (441) of this pedestal (40) and diapire (442) are to favour this consolidation board (41), and slide (50) is to be slidingly installed in this room (444) and to favour this consolidation board (41) in this.

4. as claimed in claim 3 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

This joint arm also comprises one the 3rd pivot seat (90) and one the 3rd hinged arm (103), the 3rd pivot seat (90) comprises 2 the 3rd wing plates (91) in 2 second wing plates (81) outside that lays respectively at this second pivot seat (80), one links this 2 the 3rd wing plate (91) ties plate (92) with the group of this original copy cover plate (32) group knot, and be arranged at 2 the 4th pivot holes (93) of this 2 the 3rd wing plate (91), two Wushu holes (94), this second pivot seat (80) also comprises 2 the 3rd pivot holes (87) that are arranged at this 2 second wing plate (81), this first pivot seat (70) also comprises two strip holes (74) that are arranged at this 2 first wing plate (71), the 3rd hinged arm (103) is 2 the 4th pivot holes (93) and 2 the 3rd pivot holes (87) of this second pivot seat (80) and two strip holes (74) of this first pivot seat (70) that are arranged in the 3rd pivot seat (90), and this second hinged arm (102) is that this two compression block (76) is put with two arcuate sockets (86) of this second pivot seat (80) and two perforates (75) and the pressure of this first pivot seat (70) in the Wushu hole (94) that is arranged in the 3rd pivot seat (90).

5. as claimed in claim 4 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

This elastic component (60) is a compression spring, have one and buttedly install the first end pin (61) of wall (443) in this, and one butted in this second end pin (62) of slide (50).

6. as claimed in claim 5 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

Should in the track plane (51) of slide (50) have a first end (511) and a second end (512) that is reverse setting, and a protruding center section part (513) between this two end.

7. as claimed in claim 6 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

Should in slide (50) have a face that installs (52) that is in reverse to this track plane (51), and install face (52) from this and install that wall (443) extends and this two pin plate (42) that reclines, this roof (441) and four of this diapire (442) wall (53) that reclines towards this.

8. as claimed in claim 7 in duplicating machine or scanning machine the joint arm of original copy cover plate, it is characterized in that:

Should in slide (50) It have and install face (52) from this and extend for the sheathed at least one sleeve column (54) of this second end pin (62) towards the wall (443) that installs of this pedestal (40).