CN104608508A - Roller device and a label printer - Google Patents
Roller device and a label printer Download PDFInfo
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- CN104608508A CN104608508A CN201510023862.0A CN201510023862A CN104608508A CN 104608508 A CN104608508 A CN 104608508A CN 201510023862 A CN201510023862 A CN 201510023862A CN 104608508 A CN104608508 A CN 104608508A
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- drum apparatus
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Abstract
The invention discloses a roller device. The roller device comprises a rotating shaft, a fixing part and a first telescopic plate; the rotating shaft is equipped with a first end and a second end which are axially arranged; a roller is removed from the second end; the fixing part is fixed to the rotating shaft; the fixing part is equipped with a guide part which is provided with a guide surface, wherein the guide surface is an inclined surface which is axially inclined along the rotating shaft, and the guide surface is equipped with a high point and a low point; the high point is closer to the first end than the low point; the first telescopic plate is movably connected with the fixing part, and the first telescopic plate is equipped with an inner surface which is provided with a first bulge in match with the guide surface; when a force in the first direction is applied to the roller which sleeves the roller device, the telescopic plate under the frictional force of the roller moves toward the first direction along the guide surface, and then the first bulge is matched with the low point of the guide surface; a first clearance is formed between the first telescopic plate and an inner hole in the roller.
Description
Technical field
The present invention relates to a kind of drum apparatus and label machine, particularly relating to a kind of user just can by light for useless carbon ribbon easily detachable drum apparatus and the label machine with this drum apparatus with one hand.
Background technology
Label machine is the printing device of a large amount of printing speed adhesive label of a kind of energy, drop etc., this label machine is owing to having without the need to being connected with computer, carrying input keyboard and built-in certain font, character library and a considerable amount of tag template, directly can carry out the input of label substance, editor, typesetting and the advantage that directly prints as required by fuselage LCD screen, be widely used in the various aspects in living.
Use the label machine of carbon ribbon can produce useless carbon ribbon after printed, consider print quality and the object being convenient to reclaim, this useless carbon ribbon needs to be wound up to facilitate recovery by useless carbon ribbon with a kind of retracting device of cylinder shape, but get more and more along with being wrapped in the useless carbon ribbon reclaiming cylinder, useless carbon ribbon will wrap this cylinder tightly, thus cause user to be difficult to be taken off by useless carbon ribbon from retracting device, need to expend larger strength can disassemble, bring inconvenience to user and perplex.
Therefore, the label machine designing a kind of new drum apparatus and there is this drum apparatus is necessary, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of drum apparatus and label machine, useless carbon ribbon just can take off with one hand by user easily, user-friendly.
For achieving the above object, the invention provides a kind of drum apparatus, in order to match with reel, the endoporus of this reel is for being sheathed on this drum apparatus, and this drum apparatus comprises:
Rotating shaft, has first end vertically and the second end, and this reel can remove from this second end;
Fixture, fixes with this rotating shaft, and this fixture has guidance part, and this guidance part has guiding face, and this guiding face is the inclined-plane tilted along the axis of this rotating shaft, and this guiding face has spikes/low-points, and this height point comparatively this low spot closes on this first end;
First expansion plate, be flexibly connected mutually with this fixture, this first expansion plate has outer surface and the inner surface corresponding with this outer surface, this outer surface is in order to match with this endoporus of this reel, this inner surface has the first projection, this first projection in order to match with this guiding face, and is slided along this guiding face;
Wherein, when being sheathed on this reel on this drum apparatus and being applied in the active force of first direction, this reel applies the frictional force on this first direction to this first expansion plate, this first expansion plate is because moving along this guiding face towards this first direction by this frictional force, this drum apparatus is made to become the second state from the first state, when this first state, this first projection matches with this height point of this guiding face, distance between this first expansion plate and this rotating shaft is the first distance, this first expansion plate supports this endoporus of this reel, when this second state, this first projection matches with this low spot of this guiding face, distance between this first expansion plate and this rotating shaft is second distance, between this first expansion plate and endoporus of this reel, there is the first gap, wherein, this first spacing is greater than this second spacing, this first direction is the direction being pointed to this second end by this first end.
Preferably, this drum apparatus also comprises cylinder, this drum sleeve to be located in this rotating shaft and to be covered this fixture, and this cylinder is provided with opening, this first expansion plate is arranged at this opening part, when this first expansion plate is along the moving axially of this rotating shaft, this cylinder is because moving axially along this along with the movement of this first expansion plate by this first supporting of expansion plate.
Preferably, this cylinder has the first outer rim, and when this second state, this outer surface of this first expansion plate flushes with this first outer rim, and this drum apparatus is when this first state, and this outer surface of this first expansion plate protrudes this first outer rim.
Preferably, this drum apparatus also comprises the first flexible member, this first flexible member has the first stiff end and the first free end, this first stiff end is connected with this fixture, this first free end is connected with this cylinder, and this first free end comparatively this first stiff end near this second end of this rotating shaft, the elastic reaction force direction of this first flexible member is the axis of this rotating shaft, when being in this second state, this first flexible member is in extended state, when this frictional force that this first expansion plate is subject to disappears, this first spring element returns, along with the reset of this first flexible member, this drum apparatus by this second state to this first state transfer.
Preferably, this drum apparatus also comprises the second flexible member, and this second flexible member is identical with this first elastic element structure, and this first flexible member is even or symmetrical along the axle center of this rotating shaft with this second flexible member.
Preferably, this inner surface has a pair snap fit, and this pair snap fit symmetry is positioned at the both sides of this first projection, for matching with this guidance part, and the second limiting section that each this snap fit comprises the first limiting section and stretches out to this first projection from this first limiting section.
Preferably, this guidance part also has first surface and second surface, and this first surface is adjacent with this second surface, and this first surface matches with this first limiting section and has the second gap, and this second surface matches with this second limiting section and has third space.
Preferably, this first expansion plate also comprises the second projection, and this second projection is identical with this first bulge-structure, and this first projection and the axial distribution of this second projection along this rotating shaft.
Preferably, this fixture also has support portion, this first expansion plate also comprises the 3rd protruding and the 3rd protruding, this second projection first protruding with this to be located along the same line, 3rd protruding being used for matched with this support portion, when this drum apparatus is in this first state, the 3rd projection is supported mutually with this support portion.
Preferably, this fixture has the first fixture and the second fixture, and this rotating shaft has the 3rd outer rim, and this first fixture coordinates fixing with this second fixture, to be set in the 3rd outer rim.
For reaching above-mentioned purpose, the present invention also provides a kind of label machine, comprises transmission mechanism and above-mentioned drum apparatus, and first end and this transmission mechanism of the wherein rotating shaft of this drum apparatus are fixedly connected, to make this this drum apparatus of transmission mechanism transmission.
Compared with prior art, the invention provides a kind of drum apparatus, in order to match with reel, the endoporus of this reel is for being sheathed on this drum apparatus, this roll device comprises rotating shaft, fixture and the first expansion plate, this fixture has guidance part, this guidance part has guiding face, this guiding face is the inclined-plane tilted along the axis of this rotating shaft, this guiding face has spikes/low-points, this height point comparatively this low spot closes on this first end, this first expansion plate is flexibly connected mutually with this fixture, this first expansion plate has outer surface and the inner surface corresponding with this outer surface, this outer surface is in order to match with this endoporus of this reel, this inner surface has the first projection, this first projection is in order to match with this guiding face, and slide along this guiding face, when user's one hand draws the useless carbon ribbon on this drum apparatus that this first expansion plate just can be made to move along this guiding face because of the frictional force of the endoporus by this useless carbon ribbon, in moving process, the distance of this first expansion plate and this rotating shaft diminishes, thus make, between the endoporus of this useless carbon ribbon and this first expansion plate, there is gap, person easy to use takes off this useless carbon ribbon, and, guiding face of the present invention is inclined-plane, user's frictional force that only need overcome between this expansion plate and this guiding face just can make this first projection of this expansion plate slide along this inclined-plane, need to overcome barrier force the relative position of this expansion plate and this fixture just can be made to be moved compared to of the prior art, user only needs to provide less power, such as use one hand, just can easily this reel be taken off from drum apparatus of the present invention, and this expansion plate this guiding face relative also easily resets after sliding.
Accompanying drawing explanation
Fig. 1 is in the structural representation of the first state for drum apparatus that the embodiment of the present invention proposes.
Fig. 2 is for the drum apparatus shown in Fig. 1 is along A-A generalized section.
The fixture that Fig. 3 is the drum apparatus shown in Fig. 1 is along A-A generalized section
Fig. 4 is the structural representation of the fixture of the drum apparatus shown in Fig. 1.
Fig. 5 is the structural representation of the first expansion plate shown in Fig. 1.
Fig. 6 is in the structural representation of the second state for drum apparatus that the embodiment of the present invention proposes.
Fig. 7 is that the drum apparatus of Fig. 6 is along B-B generalized section.
Fig. 8 for when drum apparatus that the embodiment of the present invention proposes is in the first state in the structural representation of other direction.
Fig. 9 is that the drum apparatus of Fig. 8 is along C-C generalized section.
Figure 10 for when drum apparatus that the embodiment of the present invention proposes is in the second state in the structural representation of other direction.
Figure 11 is that the drum apparatus of Figure 10 is along D-D generalized section.
The generalized section of the drum apparatus that Figure 12 proposes for another embodiment of the present invention.
The partial structurtes schematic diagram of the label machine that Figure 13 proposes for the embodiment of the present invention
Detailed description of the invention
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
See shown in Fig. 1 to Figure 12, disclose the structural representation of drum apparatus 001 of the present invention, this drum apparatus 001 comprises rotating shaft 1, fixture 2 and the first expansion plate 3.This drum apparatus 001 is in order to match with reel, and the endoporus of this reel is used for being sheathed on this drum apparatus 001, and this reel can be such as the useless carbon ribbon or paper roll etc. of label machine.This fixture 2 fixes with this rotating shaft 1, this fixture 2 has guidance part 21, this guidance part 21 has guiding face 211, this guiding face 211 inclined-plane for tilting along the axis of this rotating shaft 1, this guiding face 211 has high point 2111 and low spot 2112, and this height point 2111 comparatively this low spot 2112 closes on first end 11.This first expansion plate 3 is flexibly connected mutually with this fixture 2, this first expansion plate 3 has the first projection 321, when being sheathed on this reel on this drum apparatus 001 and being applied in the active force of first direction, this reel applies the frictional force on this first direction to this first expansion plate 3, this first expansion plate 3 is because moving along this guiding face 211 towards this first direction by this frictional force, this drum apparatus 001 is made to become the second state from the first state, when this first state, this first projection 321 matches with this height point 2111 of this guiding face 211, distance between this first expansion plate 3 and this rotating shaft 1 is the first distance H1, this first expansion plate 3 supports this endoporus of this reel, when this second state, this first projection 321 matches with this low spot 2111 of this guiding face 211, distance between this first expansion plate 3 and this rotating shaft 1 is second distance H2, the appearance profile size of this drum apparatus 001 is diminished, namely between this first expansion plate 3 and endoporus of this reel, there is the first gap, wherein, this first spacing is greater than this second spacing, this first direction is the direction of the second end 12 being pointed to this rotating shaft 1 by this first end 11 of this rotating shaft 1.Specifically describe to each parts of drum apparatus 001 of the present invention and mated condition below.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is in the structural representation of the first state for drum apparatus that the embodiment of the present invention proposes, and Fig. 2 is for the drum apparatus shown in Fig. 1 is along A-A generalized section.As depicted in figs. 1 and 2, this rotating shaft 1 has this first end 11 and this second end 12 vertically, and this reel removes from this second end 12, and this first end 11 is for being fixedly installed in external component, such as, on transmission mechanism, rotate by the rotary actuation of this external component to make this tourelle 001.
Continue referring to Fig. 3, Fig. 3 fixture that is the drum apparatus shown in Fig. 1 along A-A generalized section.Shown in composition graphs 2 and Fig. 3, this fixture 2 fixes with this rotating shaft 1, can rotate by the rotary actuation of this rotating shaft 1 to make this fixture 2, this fixture 2 has guidance part 21, this guidance part 21 has guiding face 211, this guiding face 211 inclined-plane for tilting along the axis of this rotating shaft 1, this guiding face 211 has high point 2111 and low spot 2112, and this height point 2111 comparatively this low spot 2112 closes on this first end 11.Preferably, this guidance part 21 is guide barrel construction.For convenience of assembling, this fixture 2 also can be designed to split type, as shown in Figure 4, this fixture 2 comprises the first fixture 22 and the second fixture 23, this rotating shaft 1 has the 3rd outer rim 13 (as shown in Figure 2), this first fixture 22 coordinates fixing with this second fixture 23, to be set in the 3rd outer rim 13, but not as limit.
Separately refer to Fig. 5, Fig. 5 is the structural representation of the first expansion plate shown in Fig. 1.Shown in composition graphs 2 to Fig. 5, this first expansion plate 3 is flexibly connected mutually with this fixture 2, this first expansion plate 3 has outer surface 31 and the inner surface 32 relative with this outer surface 31, this outer surface 31 is in order to match with this endoporus of this reel, this inner surface 32 has the first projection 321, this first projection 321 in order to match with this guiding face 211, and is slided along this guiding face 211.In the present embodiment, this outer surface 31 is curved surfaces mutually corresponding with this drum apparatus 001 moulding, and certainly, the design of this outer surface 31 is designed according to actual needs by those skilled in the art, not as limit.
In addition, can further combined with Fig. 1 to Fig. 7, can clearly this rotating shaft 1, this fixture 2 and this first expansion plate 3 mated condition.When this first projection 321 matches with this height point 2111 of this guiding face 211, this drum apparatus 001 is in this first state, when this first state, distance between this first expansion plate 3 and this rotating shaft 1 is the first distance H1, this first expansion plate 3 supports this endoporus of this reel, to apply force on this endoporus of this reel, prevent this reel from skidding (as depicted in figs. 1 and 2) occurring in rotation process, when applying the active force of first direction (in as Fig. 6 and Fig. 7 shown in arrow F) to this reel be sheathed on this drum apparatus 001, this reel applies the frictional force on this first direction to this first expansion plate 3, this first expansion plate 3 is because moving along this guiding face 211 to this first direction by this frictional force, this drum apparatus 001 is made to become the second state from the first state, when this second state, distance between this first expansion plate 3 and this rotating shaft 1 is second distance H2, namely the appearance profile size of this drum apparatus 001 is made to diminish, between this endoporus of this first expansion plate 3 and this reel, there is the first gap, be convenient to the dismounting (as shown in Figure 6 and Figure 7) of this reel from this second end 12.Wherein, this first spacing is greater than this second spacing, and this first direction is the direction being pointed to this second end 12 by this first end 11.Wherein, this first gap is less than the first predetermined value, and the size of this first predetermined value is determined according to actual conditions by designer, and such as, this first preset value can be 0.05-0.2mm.Preferably, this second end 12 has location division, and to prevent this first expansion plate 3 from departing from this fixture 2 from this second end 12, wherein, this location division can be protuberance, but not as limit.
Preferably, as shown in Figure 5, this inner surface 32 of this first expansion plate 3 has a pair snap fit 322, this a pair snap fit 322 symmetry is positioned at the both sides of this first projection 321, in order to match with this guidance part 21, the second limiting section 3222 that each this snap fit 322 comprises the first limiting section 3221 and stretches out to this first projection 321 from this first limiting section 3221.As shown in Figure 3, this guidance part 21 also has first surface 212 and second surface 213, this first surface 212 is adjacent with this second surface 213, wherein, this first surface 212 matches with this first limiting section 3221 and has the second gap, this second surface 213 matches with this second limiting section 3222 and has third space, slide along this guiding face 211 to limit this first projection 321, offset when preventing this guiding face 211 of these first protruding 321 these guidance parts 21 of disengaging of this first expansion plate 3 or slide on this guiding face 211, and ensure that this first projection 321 can be free to slide along this guiding face 211.Wherein, this second gap and this third space are less than the second predetermined value and the 3rd predetermined value respectively, and the size of this second predetermined value and the 3rd predetermined value is determined according to actual conditions by designer.
In the above embodiment of the present invention, as shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, this drum apparatus 001 also comprises cylinder 4, this cylinder 4 to be sheathed in this rotating shaft 1 and to cover this fixture 2, and this cylinder 4 is provided with opening 41, this first expansion plate 3 is arranged at this opening 41 place, and can move freely in this opening 41 place, when this first expansion plate 3 moves axially along this rotating shaft 1, this cylinder 4 moves axially because carrying out this by supporting of this first expansion plate 3 along with moving of this first expansion plate 3.Namely, when this drum apparatus 001 is this second state by this first state transfer, existing the moving along this axis of this first expansion plate 3, also have the movement in the direction perpendicular to this axis, and this cylinder 4 only does moving along this axis.Further, this cylinder 4 has the first outer rim 42, in order to match with this reel, this drum apparatus 001 is when this second state, this outer surface 31 of this first expansion plate 3 flushes with this first outer rim 42, and this drum apparatus 001 is when this first state, and this outer surface 31 of this first expansion plate 3 protrudes this first outer rim 42, specifically can be designed as required by those skilled in the art, not as limit.Certainly, this cylinder 4 and this fixture 2 also can be one-body molded, but not as limit.
Preferably, as shown in Figs. 8 to 11, this drum apparatus 001 also comprises the first flexible member 5, this first flexible member 5 has the first stiff end 51 and the first free end 52, this first stiff end 51 is connected with this fixture 2, this first free end 52 is connected with this cylinder 4, the elastic reaction force direction of this first flexible member 5 is the axis of this rotating shaft 1, and this first free end 52 comparatively this first stiff end 52 near this second end 12 of this rotating shaft, when this drum apparatus 001 is in this second state, this first flexible member 5 is in extended state (referring to shown in Fig. 8 and Fig. 9), when this frictional force that this first expansion plate 3 is subject to disappears, this first flexible member 5 resets, along with the reset of this first flexible member 5, this cylinder 4 resets, this first expansion plate 3 is because also resetting by supporting of this cylinder 4, namely this first projection 321 matches with this height point 2111, also namely this drum apparatus 001 by this second state to this first state transfer (refer to Figure 10 and Figure 11 shown in).Further, this drum apparatus 001 also comprises the second flexible member 6, this second flexible member 6 is identical with this first flexible member 5 structure, and this first flexible member 5 is even or symmetrical along the axle center of this rotating shaft 1 with this second flexible member 6, to make this cylinder 4 uniform force.
In another embodiment of the present invention, this drum apparatus 001 can not also have this cylinder 4, this fixture 2 has the second outer rim, in order to match with this reel, when this drum apparatus 001 is in this second state, this outer surface 31 of this first expansion plate 3 flushes with this second outer rim, and when this drum apparatus 001 is in this first state, this outer surface 31 protrudes from this second outer rim.Further, this first outer rim is provided with accommodation space, this first expansion plate 3 is positioned at this accommodation space, being arranged at least partially in this accommodation space of this first expansion plate 3.Preferably, this drum apparatus 001 also comprises the 3rd flexible member, 3rd flexible member has the second stiff end and the second free end, this second stiff end is connected with this fixture 2, this second free end is connected with this first expansion plate 3, the elastic reaction force direction of this second flexible member is the axis of this rotating shaft 1, and this second free end comparatively this second stiff end near this second end 12 of this rotating shaft, when this drum apparatus 001 is in this second state, this second flexible member is in extended state, when this frictional force that this first expansion plate 3 is subject to disappears, 3rd spring element returns, along with the reset of the 3rd flexible member, this drum apparatus 001 by this second state to this first state transfer.
In practical application, as shown in figure 12, this fixture 2 can also be designed to following form: this fixture 2 comprises fixed head 24, first shell 25 and second housing 26, this fixed head 24 is sheathed in this rotating shaft 1, this first expansion plate 3 is arranged at the first side 27 and the second side 28 of this fixture 2 respectively, this first side 27 is relative with this second side 28, this first shell 25 is connected with this fixed head 24 with this second housing 26, also effect same as the previously described embodiments can be reached, specifically can be designed according to actual needs by those skilled in the art, not as limit.
In practical application, as shown in Figure 5, this first expansion plate 3 also comprises the second projection 323, this first projection 321 is identical with these second protruding 323 structures, and this first projection 321 and the axial distribution of this second projection 323 along this rotating shaft 1, to make this first expansion plate 3 fully support this endoporus, prevent this reel from the phenomenon of skidding occurring in rotation process.Further, this first expansion plate 3 also comprise the 3rd projection 324 and the 3rd protruding 324 to be located along the same line with this first projection 321, this second projection 323, this fixture 2 also has support portion 29 (referring to shown in Fig. 3 and Fig. 4), 3rd projection 324 is for matching with this support portion 29, when this drum apparatus 001 is in this first state, 3rd protruding 324 supports mutually with this support portion 29, to strengthen this first expansion plate 3 dynamics is supported to this endoporus, prevent this reel from the phenomenon of skidding occurring in rotation process further.Wherein, the both sides of the 3rd projection 324 are without the need to arranging this snap fit 322, because the 3rd projection 324 is without the need to matching with this guidance part 21 corresponding, and when this drum apparatus 001 is in this second state, the 3rd projection 324 does not match with this support portion 29.Certainly, this support portion 29 also can also be designed to the structure of guidance part 21, and the both sides of the 3rd projection 324 need to arrange this snap fit 322 accordingly, to match with this guidance part 21, specifically can be designed according to actual needs by those skilled in the art, not as limit.
In practical application, as depicted in figs. 1 and 2, this drum apparatus 001 also comprises the second expansion plate 7, this second expansion plate 7 is identical with this first expansion plate 3 structure, and this first expansion plate 3 is even or symmetrical along the axle center of this rotating shaft 1 with this second expansion plate 7, make this endoporus uniform force of this reel, thus make this reel can not be subject to departing from the power of this axis and bias occurs, prevent this reel from the phenomenon of skidding occurring in rotation process further.In the present embodiment, perpendicular to the first line between this first flexible member 5 of this rotating shaft 1 and this second flexible member 6 and perpendicular perpendicular to the second line between this first expansion plate 3 of this rotating shaft 1 and this second expansion plate 7, but not as limit.
To sum up, the invention provides a kind of drum apparatus, in order to match with reel, the endoporus of this reel is for being sheathed on this drum apparatus, this roll device comprises rotating shaft, fixture and the first expansion plate, this rotating shaft has first end vertically and the second end, this reel removes from this second end, this fixture and this rotating shaft fix, this fixture has guidance part, this guidance part has guiding face, this guiding face is the inclined-plane tilted along the axis of this rotating shaft, this guiding face has spikes/low-points, this height point comparatively this low spot closes on this first end, this first expansion plate is flexibly connected mutually with this fixture, this first expansion plate has outer surface and the inner surface corresponding with this outer surface, this outer surface is in order to match with this endoporus of this reel, this inner surface has the first projection, this first projection is in order to match with this guiding face, and slide along this guiding face, wherein, when being sheathed on this reel on this drum apparatus and being applied in the active force of first direction, this reel applies the frictional force on this first direction to this first expansion plate, this first expansion plate is because moving along this guiding face towards this first direction by this frictional force, this drum apparatus is made to become the second state from the first state, when this first state, this first projection matches with this height point of this guiding face, distance between this first expansion plate and this rotating shaft is the first distance, this first expansion plate supports this endoporus of this reel, namely active force is applied to this endoporus being sheathed on this drum apparatus, effectively avoid this reel that the phenomenon of skidding occurs in rotation process, when this second state, this first projection matches with this low spot of this guiding face, distance between this first expansion plate and this rotating shaft is second distance, wherein, this first spacing is greater than this second spacing, have the first gap between this first expansion plate and endoporus of this reel, namely the appearance profile size distortion of this drum apparatus, facilitates the dismounting of this drum apparatus.Compared with prior art, guiding face of the present invention is inclined-plane, user's frictional force that only need overcome between this expansion plate and this guiding face just can make this first projection of this expansion plate slide along this inclined-plane, need to overcome barrier force the relative position of this expansion plate and this fixture just can be made to be moved compared to of the prior art, user provides less power, such as use one hand, just can easily this reel be taken off from drum apparatus of the present invention, and this expansion plate this guiding face relative also easily resets after sliding.
In practical application, the drum apparatus 001 shown in Fig. 1 to Figure 12 of the present invention can be applicable in label machine.As shown in figure 13, disclose the structural representation of label machine 002, this label machine 002 comprises this drum apparatus 001 of transmission mechanism 8 and above-described embodiment, wherein this first end 11 of this rotating shaft 1 of this drum apparatus 001 is fixedly connected with this transmission mechanism 8, to make this this drum apparatus 001 of transmission mechanism 8 transmission.Wherein, the version of this drum apparatus 001 and operating principle can refer to Fig. 1 to Figure 12 and above-described embodiment describes, and does not repeat them here.Therefore, when being sheathed on this reel on this drum apparatus 001 and being applied in the active force of first direction, this reel applies the frictional force on this first direction to this first expansion plate, this first expansion plate is because moving along this guiding face towards this first direction by this frictional force, this drum apparatus is made to become the second state from the first state, when this first state, this first projection matches with this height point of this guiding face, distance between this first expansion plate and this rotating shaft is the first distance, this first expansion plate supports this endoporus of this reel, namely active force is applied to this endoporus being sheathed on this drum apparatus, effectively avoid this reel that the phenomenon of skidding occurs in rotation process, when this second state, this first projection matches with this low spot of this guiding face, distance between this first expansion plate and this rotating shaft is second distance, wherein, this first spacing is greater than this second spacing, has the first gap between this first expansion plate and endoporus of this reel, the i.e. appearance profile size distortion of this drum apparatus, facilitate the dismounting of this reel, namely useless carbon ribbon just can take off with one hand by user easily, user-friendly.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (11)
1. a drum apparatus, in order to match with reel, the endoporus of this reel, for being sheathed on this drum apparatus, is characterized in that, this drum apparatus comprises:
Rotating shaft, has first end vertically and the second end, and this reel can remove from this second end;
Fixture, fixes with this rotating shaft, and this fixture has guidance part, and this guidance part has guiding face, and this guiding face is the inclined-plane tilted along the axis of this rotating shaft, and this guiding face has spikes/low-points, and this height point comparatively this low spot closes on this first end;
First expansion plate, be flexibly connected mutually with this fixture, this first expansion plate has outer surface and the inner surface corresponding with this outer surface, this outer surface is in order to match with this endoporus of this reel, this inner surface has the first projection, this first projection in order to match with this guiding face, and is slided along this guiding face;
Wherein, when being sheathed on this reel on this drum apparatus and being applied in the active force of first direction, this reel applies the frictional force on this first direction to this first expansion plate, this first expansion plate is because moving along this guiding face towards this first direction by this frictional force, this drum apparatus is made to become the second state from the first state, when this first state, this first projection matches with this height point of this guiding face, distance between this first expansion plate and this rotating shaft is the first distance, this first expansion plate supports this endoporus of this reel, when this second state, this first projection matches with this low spot of this guiding face, distance between this first expansion plate and this rotating shaft is second distance, between this first expansion plate and endoporus of this reel, there is the first gap, wherein, this first spacing is greater than this second spacing, this first direction is the direction being pointed to this second end by this first end.
2. drum apparatus as claimed in claim 1, it is characterized in that, this drum apparatus also comprises cylinder, this drum sleeve to be located in this rotating shaft and to be covered this fixture, and this cylinder is provided with opening, this first expansion plate is arranged at this opening part, and when this first expansion plate is along the moving axially of this rotating shaft, this cylinder is because moving axially along this along with the movement of this first expansion plate by this first supporting of expansion plate.
3. drum apparatus as claimed in claim 2, it is characterized in that, this cylinder has the first outer rim, when this second state, this outer surface of this first expansion plate flushes with this first outer rim, and this drum apparatus is when this first state, and this outer surface of this first expansion plate protrudes this first outer rim.
4. drum apparatus as claimed in claim 2, it is characterized in that, this drum apparatus also comprises the first flexible member, this first flexible member has the first stiff end and the first free end, this first stiff end is connected with this fixture, this first free end is connected with this cylinder, and this first free end comparatively this first stiff end near this second end of this rotating shaft, the elastic reaction force direction of this first flexible member is the axis of this rotating shaft, when being in this second state, this first flexible member is in extended state, when this frictional force that this first expansion plate is subject to disappears, this first spring element returns, along with the reset of this first flexible member, this drum apparatus by this second state to this first state transfer.
5. drum apparatus as claimed in claim 4, it is characterized in that, this drum apparatus also comprises the second flexible member, and this second flexible member is identical with this first elastic element structure, and this first flexible member is even or symmetrical along the axle center of this rotating shaft with this second flexible member.
6. drum apparatus as claimed in claim 1, it is characterized in that, this inner surface has a pair snap fit, this a pair snap fit symmetry is positioned at the both sides of this first projection, for matching with this guidance part, the second limiting section that each this snap fit comprises the first limiting section and stretches out to this first projection from this first limiting section.
7. drum apparatus as claimed in claim 6, it is characterized in that, this guidance part also has first surface and second surface, this first surface is adjacent with this second surface, this first surface matches with this first limiting section and has the second gap, and this second surface matches with this second limiting section and has third space.
8. drum apparatus as claimed in claim 1, is characterized in that, this first expansion plate also comprises the second projection, and this second projection is identical with this first bulge-structure, and this first projection and the axial distribution of this second projection along this rotating shaft.
9. drum apparatus as claimed in claim 8, it is characterized in that, this fixture also has support portion, this first expansion plate also comprises the 3rd protruding and the 3rd protruding, this second projection first protruding with this to be located along the same line, 3rd protruding being used for matched with this support portion, when this drum apparatus is in this first state, the 3rd projection is supported mutually with this support portion.
10. drum apparatus as claimed in claim 1, it is characterized in that, this fixture has the first fixture and the second fixture, and this rotating shaft has the 3rd outer rim, and this first fixture coordinates fixing with this second fixture, to be set in the 3rd outer rim.
11. 1 kinds of label machines, is characterized in that, comprise transmission mechanism and the drum apparatus described in any one of claim 1-10, and first end and this transmission mechanism of the wherein rotating shaft of this drum apparatus are fixedly connected, to make this this drum apparatus of transmission mechanism transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023862.0A CN104608508B (en) | 2015-01-19 | 2015-01-19 | Roller device and a label printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023862.0A CN104608508B (en) | 2015-01-19 | 2015-01-19 | Roller device and a label printer |
Publications (2)
| Publication Number | Publication Date |
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| CN104608508A true CN104608508A (en) | 2015-05-13 |
| CN104608508B CN104608508B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510023862.0A Expired - Fee Related CN104608508B (en) | 2015-01-19 | 2015-01-19 | Roller device and a label printer |
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| Country | Link |
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| CN (1) | CN104608508B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908466A (en) * | 2015-05-15 | 2015-09-16 | 苏州佳世达光电有限公司 | Tensioning device and tag printer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104608508B (en) | 2017-05-03 |
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