CN206863482U - Stop bit transmission mechanism and carbon starch cylinder - Google Patents
Stop bit transmission mechanism and carbon starch cylinder Download PDFInfo
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- CN206863482U CN206863482U CN201720718867.XU CN201720718867U CN206863482U CN 206863482 U CN206863482 U CN 206863482U CN 201720718867 U CN201720718867 U CN 201720718867U CN 206863482 U CN206863482 U CN 206863482U
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- ratchet
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Abstract
The utility model discloses a kind of stop bit transmission mechanism, including ratchet, claw and extension spring, and the ratchet outer rim is provided with Elastic Teeth；The claw is located at the side of the radial direction of the ratchet, including fixing end and around the rotatable movable end of fixing end, and the movable end is provided with the claw that can be engaged with the Elastic Teeth；Described extension spring one end is fixed, and its other end is fixed on the movable end of claw, makes the claw to the close power of the ratchet to provide；The Elastic Teeth is made of elastomeric material, when the claw of claw is sticked in Elastic Teeth under the active force of extension spring, realizes the soft fixation to the ratchet, and when ratchet is driven by sufficiently large external force, the Elastic Teeth will deform and produce slip teeth.The utility model carries out stop bit and transmission using the reversible Elastic Teeth of deformation, simple in construction, and processing is convenient to install and maintain, and Elastic Teeth energy reverse drive carbon starch cylinder when elastic deformation occurs goes to operating position, and claw resets and is also convenient for.
Description
Technical field
It the utility model is related to the carbon starch cylinder technical field to the imaging devices such as printer supply carbon dust, and in particular to a kind of
Stop bit transmission mechanism and carbon starch cylinder.
Background technology
In the electronic imaging device such as duplicator or integrated printing machine, it is both provided with for quiet in photosensitive drums to being formed at
Carbon dust is laid on electrostatic latent image, developed by the developing apparatus that electric sub-image is developed, the developing apparatus, and development is consumed
Carbon dust provided by carbon starch cylinder.Generally, according to the setting of existing electronic imaging device, it is necessary to which two steps are fixed when installing carbon starch cylinder
Step, is briefly referred to as outer solid and interior solid, and outer be artificial process admittedly, i.e., by the carbon starch cylinder groove of carbon starch cylinder insertion electronic imaging device
In, fixed by the buckle that carbon starch cylinder one end is set and carbon starch cylinder groove, interior is then the drive in electronic imaging device internal gear admittedly
Under dynamic, carbon starch cylinder is transferred to operating position.
Patent No. ZL200720056217.X patent discloses a kind of carbon dust container, and the carbon dust container includes：Accommodate
The inner cylinder of carbon dust, inner cylinder perisporium are provided with inner cylinder meal outlet, cover the outer barrel that can be rotated outer tube and relative to inner cylinder, outer barrel perisporium
Outer barrel meal outlet is provided with, outer barrel end is provided with outer barrel end cap, is located at the puddle support that carbon dust is stirred in inner cylinder, puddle support end is set
There is the gear that power is received on outer barrel end cap, a stop bit transmission mechanism includes：One selectively limits the pinion rotation
Rotary buckle, one has the sliding block of chute, and sliding block one end is connected with rotary buckle, and a spacing projection, spacing projection is located at the cunning
In groove.
The operation principle of stop bit transmission mechanism is in the carbon starch cylinder：Spacing projection is initially at close in sliding block chute
One end slightly is drawn, because outer barrel is with respect to inner cylinder rotation, sliding block moves relative to spacing projection with outer barrel, and spacing projection is from sliding block
Chute is moved away from drawing the other end slightly close to the one end drawn slightly, and when outer barrel is rotated further, the chute of sliding block is stuck in spacing projection
On, it is impossible to as outer barrel moves together, now, due to the effect drawn slightly being connected on rotary buckle, rotary buckle is drawn slightly pull-up,
Rotary buckle is set to leave the cone tooth of puddle support gear, so as to release the lock to puddle support gear, carrier gear and puddle support gear
Rotation can be engaged, is started working.When carbon dust use finishes, being rotated along former rotation direction makes outer barrel return to initial position, then
Carbon starch cylinder is taken out from imaging device developing chamber and changed.
Problems be present in the mechanism：
First, the mechanism is by rotary buckle, extension spring, draws the tip, sliding block to form, and sliding block needs to set chute with spacing projection to match somebody with somebody
Close, draw tip both ends to need to be individually fixed in the aperture of sliding block and rotary buckle, and the stop bit transmission mechanism and carrier gear are all set
It is not only complicated in the front end of carbon starch cylinder, and the machining accuracy of each part and installation accuracy require high, maintenance cost
It is high；
2nd, the mechanism is to be conciliate by the cooperation of spacing projection and sliding block come the locking for controlling rotary buckle to puddle support gear
Lock, having frictional force between chute when spacing projection opposing slider slides, it is concordant that sliding block with outer barrel end cap is also required to holding
Could successfully slide, if chute inward flange somewhat coordinate with spacing projection it is not in place, or draw the tip it is inclined to the application point of sliding block
Move, sliding block easily produces stuck phenomenon, driven puddle support gear difficulty, also the drive mechanism of imaging device caused to damage.
The content of the invention
Main purpose of the present utility model is to propose a kind of stop bit transmission mechanism and carbon starch cylinder, it is intended to solves existing carbon dust
The problem of stop bit transmission mechanism is complicated, installation and maintenance are inconvenient in cylinder.
To achieve the above object, the utility model proposes stop bit transmission mechanism include：
Ratchet, its outer rim are provided with Elastic Teeth；
Claw, located at the side of the radial direction of the ratchet, including fixing end and around the rotatable movable end of fixing end, it is described
Movable end is provided with the claw that can be engaged with the Elastic Teeth；
Extension spring, its one end are fixed, and its other end is fixed on claw, make the claw close to the ratchet to provide
Power.
The Elastic Teeth is made of elastomeric material, such as elastomeric material, when the claw of claw is under the active force of extension spring
When being sticked in Elastic Teeth, the soft fixation to the ratchet is realized, and when ratchet is driven by sufficiently large external force, the bullet
Property tooth will deform and produce slip teeth.
Further, the ratchet can be integrally formed, or take sandwich construction：The bullet being fixed in including wheel hub and set on wheel hub
Property gear ring.
Further, the utility model also provides a kind of stop bit transmission mechanism applied to carbon starch cylinder, including：
Ratchet, located at flour stirring bar one end, its outer rim is provided with Elastic Teeth, and outside is convexly equipped with jacking block；
Claw, located at the side of the radial direction of the ratchet, including fixing end and around the rotatable movable end of fixing end, it is described
Movable end is provided with the claw that can be engaged with the Elastic Teeth, and another extend is provided with follow block on the outside of the claw；
Extension spring, its one end are fixed, and its other end is fixed on the movable end of claw, make the claw to described to provide
The close power of ratchet.
As described in background technology first paragraph, the stop bit transmission mechanism provided by the utility model, it mainly acts on carbon
Solid in the second step of powder drum, ratchet carbon starch cylinder under the internal gear driving effect of electronic imaging device is transferred to work
Behind position, the carbon starch cylinder is no longer able to turn, and imaging device continues to drive carbon starch cylinder, when the ratchet is by sufficiently large outer
When power drives, the Elastic Teeth will deform and produce slip teeth, until the jacking block goes to and abutted with the follow block, by described in
Claw is jacked up with after Elastic Teeth disengaging, releasing the soft fixation between above-mentioned claw claw and Elastic Teeth, carbon starch cylinder is transferred to work
Make state, the ratchet carries out normal rotation.
Further, the ratchet can be integrally formed, or take sandwich construction：The bullet being fixed in including wheel hub and set on wheel hub
Property gear ring.
Further, the claw includes：
First plate portion, there is the follow block, and extend the first plate portion the same face：
Second plate portion, it has the pars convoluta being bonded with the Elastic Teeth back of tooth, and the claw extends the pars convoluta；
Installation portion, provided with claw mounting hole；
First plate portion and the second plate portion are respectively arranged on the both sides of the first end face.
Preferably, first plate portion has away from the outer face of the ratchet and connected the inner end of second plate portion
Face, from the outer face to inner end formed with an even surface, the even surface is with the plane where the first end face in certain
Acute angle.
The utility model also provides a kind of carbon starch cylinder, including：
Cylinder, its perisporium are provided with meal outlet, and cylinder both ends are respectively equipped with drive end bearing bracket and rear end cap；
Slip lid, its inwall and cylinder are bonded and can be around the relative barrel body rotations of the tubular axis；
Flour stirring bar, in the cylinder；
Flour stirring bar gear, it is fixed on one end of the close drive end bearing bracket of flour stirring bar；
Carrier gear, it is fixed on drive end bearing bracket, and is engaged with the flour stirring bar gear；
Stop bit transmission mechanism, including：Ratchet, its outer rim are provided with Elastic Teeth, and outside is convexly equipped with jacking block；Claw, located at institute
State the side of the radial direction of ratchet, including fixing end and around the rotatable movable end of fixing end, the movable end is provided with can be with institute
The claw of Elastic Teeth engaging is stated, another extend is provided with follow block on the outside of the claw；Extension spring, the relatively described claw fixing end of its one end are consolidated
Fixed, its other end is fixed on the movable end of claw, makes the claw to the close power of the ratchet, wherein ratchet to provide
It is fixed on the rear end of the flour stirring bar, the fixing end of extension spring and claw is fixed on rear end cap.
Further, the ratchet can be integrally formed, or take sandwich construction：The bullet being fixed in including wheel hub and set on wheel hub
Property gear ring.
Further, the carbon starch cylinder also includes handle, and the handle is foldable to be connected on the rear end cap.
Further, the one side of the direction of the handle cylinder has extended vertically depression bar, the close institute of the depression bar
One end radially protruding of cylinder is stated formed with hook portion, the hook portion has to sliding surface, it is described can be with the claw to sliding surface
Even surface is bonded.
Further, the carbon starch cylinder also includes：
Flour stirring piece, it is installed on the flour stirring bar；
Meal outlet sponge, it is installed on the meal outlet；
Strip of paper used for sealing, it is pasted on the meal outlet sponge；
Powder filling port, on the rear end cap, and soft lid is installed；
Oil sealing, located at the flour stirring bar and the drive end bearing bracket and rear end cap junction.
Label, it is affixed on the slip lid.
Compared with prior art, the beneficial effect of technical solutions of the utility model：
First, the gear teeth on ratchet are set to Elastic Teeth by stop bit transmission mechanism described in the utility model, and the Elastic Teeth uses
Elastomeric material is made, and can be deformed upon under certain effect power, and and can restores to the original state after active force removes；When ratchet not by
During driving, extension spring forces claw and elastic tooth contact to engage, and claw prevents pawl wheel；Subsequent device drives cylinder is with respect to slip lid
Turn an angle, carbon starch cylinder meal outlet is aligned with equipment powder inlet, and rear cylinder body can not be rotated again.Equipment still may proceed to
Driving, when ratchet is driven, Elastic Teeth is because the braking of claw is deformed, after claw and Elastic Teeth dropout, in extension spring
In the presence of, claw engages with next Elastic Teeth again；As ratchet continuously rotates, when the jacking block on ratchet is gone to and is located at
Follow block contact on claw, claw top crossed dead point by jacking block, so that claw is no longer begun to stirring with elastic tooth contact, ratchet
Powder bar normal rotation.
2nd, stop bit transmission mechanism described in the utility model also realizes stop bit and biography using the cooperation of claw and Elastic Teeth
It is dynamic, relative to the existing structural elements using spacing projection and sliding block are more, complicated, processing installation and maintenance trouble, this
Utility model is simple in construction, easy for installation, makes carbon starch cylinder processing convenient to install and maintain；Produced relative to existing using rubber ring
Frictional force prevents puddle support gear from the structure that rotates, and the utility model need not be reduced pair using the part of increase frictional force
The damage of imaging apparatus components.
3rd, the stop bit transmission mechanism of existing carbon starch cylinder is generally all provided close to together with carrier gear, flour stirring bar gear
On the drive end bearing bracket of imaging device driving wheel, the part of arrangement is more in drive end bearing bracket, and the machining accuracy and installation accuracy to each part will
Ask all very high, otherwise easily produce stuck phenomenon, and then drive device is caused to damage, the utility model passes the stop bit
Motivation structure is disposed far from the rear end cap of driving wheel so that processing installation and maintenance are more convenient.
4th, handle described in the utility model is provided with depression bar, and depression bar end is hook-shaped, if claw needs to be returned to initial bit
Put, when handle folds, outwardly open handle, handle upperpush rod sliding surface can be given the claw one it is downward be allocated as exerting oneself,
Being engaged with Elastic Teeth so that claw be reversed, when handle is in open mode, be pressed inwardly into handle, depression bar can also contact with claw,
Also claw can be resetted, operation is very easy.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the Structure explosion diagram for the carbon starch cylinder that the utility model embodiment two proposes.
Fig. 2 is the Structure explosion diagram at another visual angle for the carbon starch cylinder (omission handle) that Fig. 1 is proposed.
Fig. 3 is in structure chart during locking position for the stop bit transmission mechanism of Fig. 1 carbon starch cylinders proposed.
Structure chart when Fig. 4 is jacked up for claw in the stop bit transmission mechanism of Fig. 1 carbon starch cylinders proposed.
Structure chart when Fig. 5 is jacked up for follow block in the stop bit transmission mechanism of Fig. 1 carbon starch cylinders proposed.
Fig. 6 is the structure chart with the carbon starch cylinder at the same visual angles of Fig. 2.
Fig. 7 is in structure partial figure during half opened condition for the handle of Fig. 1 carbon starch cylinders proposed.
Fig. 8 is in schematic enlarged-scale view during locking position for stop bit transmission mechanism in Fig. 3.
Structure chart when Fig. 9 is Elastic Teeth generation deformation in stop bit transmission mechanism.
Figure 10 faces Local map for Fig. 9's.
Figure 11 is schematic enlarged-scale view when claw is jacked up in stop bit transmission mechanism in Fig. 4.
Figure 12 is schematic enlarged-scale view when follow block is jacked up in stop bit transmission mechanism in Fig. 5.
Figure 13 is Fig. 7 explosive view.
Figure 14 is the backsight structure chart of claw in the stop bit transmission mechanism that the utility model embodiment one proposes.
Figure 15 is the structure chart that the carbon starch cylinder middle cylinder body that Fig. 1 is proposed is located at initial position.
Figure 16 is the structure chart that the carbon starch cylinder middle cylinder body that Fig. 1 is proposed goes to precalculated position.
Figure 17 is the structure chart that meal outlet starts to open up in the carbon starch cylinder that Fig. 1 is proposed.
Figure 18 is structure chart when meal outlet is opened completely in the carbon starch cylinder that Fig. 1 is proposed.
Figure 19 is flour stirring bar and flour stirring bar gear, carrier gear, the connection structure diagram of ratchet in the carbon starch cylinder of Fig. 1 propositions.
Drawing reference numeral explanation of the present utility model：
| Label | Title | Label | Title |
| 1 | Ratchet | 4 | Cylinder |
| 11 | Elastic Teeth | 41 | Meal outlet |
| 12 | First end face | 42 | Drive end bearing bracket |
| 13 | Jacking block | 43 | Rear end cap |
| 14 | Wheel hub | 44 | Meal outlet sponge |
| 15 | Resilience gear ring | 45 | Strip of paper used for sealing |
| 2 | Claw | 431 | Powder filling port |
| 21 | Fixing end | 432 | Soft lid |
| 22 | Movable end | 5 | Flour stirring bar |
| 23 | Claw | 6 | Flour stirring bar gear |
| 24 | Follow block | 7 | Carrier gear |
| 25 | First plate portion | 8 | Slip lid |
| 26 | Second plate portion | 81 | Bayonet socket |
| 251 | Outer face | 82 | Label |
| 252 | Inner end | 9 | Handle |
| 253 | Even surface | 91 | Depression bar |
| 261 | Pars convoluta | 92 | Hook portion |
| 3 | Extension spring | 93 | To sliding surface |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, and it can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in description of the present utility model
It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, limited unless otherwise clear and definite.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, the technical scheme between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of this technical scheme is not present, also not within the protection domain of the requires of the utility model.
Embodiment one
The utility model embodiment one proposes a kind of stop bit transmission mechanism.
Fig. 8 to Figure 14 is referred to, stop bit transmission mechanism includes：
Ratchet 1, its outer rim are provided with Elastic Teeth 11；
Claw 2, located at the side of the radial direction of the ratchet 1, including fixing end 21 and rotatably movable around fixing end 21
End 22, the movable end 22 are provided with the claw 12 that can be engaged with the Elastic Teeth 11；
Extension spring 3, its one end is fixed, and its other end is fixed on the movable end 22 of claw 2, makes the claw 23 to provide
The power close to the ratchet 1；
The Elastic Teeth 11 is made of elastomeric material, when the claw 12 of claw 2 is sticked in bullet under the active force of extension spring 3
Property tooth 11 on when, realize the soft fixation to the ratchet 1, and when ratchet 1 is driven by sufficiently large external force, the Elastic Teeth
11 will deform and produce slip teeth.
In the stop bit transmission mechanism, the Elastic Teeth 11 set on the ratchet 1 is made of elastomeric material, it is desirable to elasticity
Good, intensity height, flexural deformation can produced by when rotating the effect of opposite direction tangential force with ratchet.It is preferred that the bullet
Property material use PU polyurethane materials, not only elastic good using PU elastomeric material high mechanical properties, wearability is good, and be broken
Elongation and tearing strength are high；Further, the hardness of Elastic Teeth 11 is 75 ± 5A, optimum value 75A, is measured with torsion
Examination, is being 68N ± 5N/CM by torsion, and the Elastic Teeth 11 produces deformation；As shown in Fig. 9,10, Elastic Teeth 11 is originally used for partially
To the helical teeth consistent with direction of rotation, the claw 23 of claw 2 is located in the teeth groove between adjacent two Elastic Teeth 11, when 1 turn of ratchet
After dynamic, the one side abutted with claw 23 of the Elastic Teeth 11 starts to be extruded by claw 2, so as to flexural deformation, with ratchet 1 and card
The relative motion of pawl 2, after claw departs from Elastic Teeth 11, the Elastic Teeth and can enough restores to the original state, claw then with it is next adjacent
Elastic Teeth 11 engages.
The claw 2 and extension spring 3 are located at the side of the ratchet 1, and extension spring 3 is used to force claw 2 to contact with Elastic Teeth 11
Engaging, claw 2 are used to carry out ratchet 1 soft fixation, i.e. claw 2 realizes the engaging with ratchet 1 by being contacted with Elastic Teeth 11,
While elastic deformation occurs for Elastic Teeth 11, ratchet 1 can also further rotate.When the ratchet 1 is rotated with first direction M,
Described one side of Elastic Teeth 11 is due to the elastic deformation with the clamping generation of claw 2 and first direction M opposite directions, one side reverse drive
The claw 2 moves；And the effect of jacking block 13 is on ratchet 1：By the rotation of ratchet 1, jacking block 13 can be gone to be supported with claw 2
Plate 24 is abutted, and claw 2 is jacked up, when claw 2 was pushed up dead-centre position, i.e. flywheel moment of the pulling force of extension spring 3 to claw 2
When being zero, stretchy claw 2 does not rotate to ratchet 1 for now extension spring 3, and claw 2 is so as to remaining stationary as.
Further, when above-mentioned stop bit transmission mechanism is applied to carbon starch cylinder, the ratchet 1 is fixed on flour stirring bar, is stirred
Powder bar is driven with first direction M, as shown in figure 8, in off working state, claw 2 is described under the pulling force effect of extension spring 1
Claw 23 engages with Elastic Teeth 11, and claw 2 locks to ratchet 1, ratchet 1 is prevented flour stirring bar from rotating, in fact from rotating
Existing stop bit.As shown in Fig. 9,10, when the flour stirring bar other end continue driven, force Elastic Teeth 11 that deformation takes place, now bullet
Property tooth and claw 2 do not depart from all, claw 2 makes carbon starch cylinder rotate backward certain angle under reverse drive effect.Such as Figure 11,12
It is shown, until the jacking block 13 on ratchet 1 is clockwise to and contacted with follow block 24, and as the rotation of ratchet 1 is by described in
Claw 2 pushed up dead-centre position, and claw 2 releases the lock to ratchet 1, and the ratchet 1 can normally rotate, and claw 2 had pushed up dead
Point position can not be pulled to ratchet 1 again, so that 1 normal rotary work of ratchet, realizes transmission.
As seen from the above, the utility model proposes stop bit transmission mechanism be using the cooperation of Elastic Teeth 11 and claw 2 come
The locking and unblock to ratchet 1 are realized, only needs extension spring 3 to provide turning power in locking, passes through the jacking block on ratchet 1 after unblock
13 make the turning power fail, and not only parts are reduced, simple in construction, and processing is convenient to install and maintain, and due to being to use to have
Elasticity Elastic Teeth 11, Elastic Teeth 11 can engage when ratchet 1 rotates with claw 2 and while produce deformation, using claw to bullet
Property tooth 11 carry out check, in stop bit, due to Elastic Teeth 11 occur elastic deformation, the claw 2 can suppress ratchet 1 rotate
Carbon starch cylinder is reversely rotated certain angle simultaneously, carbon starch cylinder is gone to operating position, after external force removes, Elastic Teeth 11 can also weigh
New reinstatement state, stop bit and transmission are all very steady.
Further, the ratchet 1 can be integrally formed, or take sandwich construction：Wheel hub 14 is fixed in including wheel hub 14 and set
On resilience gear ring 15.
Wherein, the jacking block 13 is on the wheel hub 14, and the wheel hub 14 and resilience gear ring 15 are relatively fixed, the bullet
Property gear ring 15 is provided with Elastic Teeth 11.
Further, the claw 2 includes：
First plate portion 25, there is the follow block 24, and extend the same face of the first plate portion 25：
Second plate portion 26, it has the pars convoluta 261 being bonded with the back of tooth of Elastic Teeth 11, and the claw 23 extends the song
Portion 261；
Installation portion 27, provided with claw mounting hole 271；
The plate portion 26 of first plate portion 25 and second is respectively arranged on the both sides of the first end face 12.
Wherein, the claw mounting hole 271 is used for the fixation that end 21 is fixed by screw, and makes the movable end 22
It can be rotated relative to the fixing end 21；The plate portion 26 of first plate portion 25 and second is respectively positioned at the place plane of first end face 12
Both sides, be due to the second plate portion 25 coordinate with ratchet 1, the follow block 24 in the first plate portion 25 and the jacking block on ratchet 1
13 when being engaged, and the claw 2 is not disturbed jacking block 13 and contacted, and the follow block 24 is not disturbed Elastic Teeth 11 and contacted.
Further, as shown in figure 14, first plate portion 25 has away from the outer face 251 of the ratchet 1 and connection
The inner end 252 of second plate portion 26, it is described smooth from the outer face 251 to inner end 252 formed with an even surface 253
Face 253 is in certain acute angle with the plane where the first end face 12.
As shown in figure 12, the claw 2, which is in, crosses dead-centre position away from ratchet direction, when needing that ratchet 1 is re-started
During locking, stir makes claw 2 cross dead-centre position close to ratchet direction downwards, and claw 2 can be under the pulling force effect of extension spring 3 again
Engaged close to ratchet 1 with ratchet 1.It is preferred that outwards stir the even surface 253, institute along with the diameter parallel direction of ratchet 1
State even surface 253 to move down automatically, claw 2 is latched ratchet 1 so as to go back to automatically.
Further, the claw 23 includes two, has more preferable stop bit braking effect using two claws 23.And not
Ground is limited, the Elastic Teeth 11 can be straight-tooth or helical teeth, and rubber is respectively provided with high resiliency at general temperature, and deformation quantity is big, really
Guarantor's Elastic Teeth 11 can deform upon under certain effect power to be unlocked, and deformation can recover, it is ensured that ratchet 1 still can next time
Carry out locking.
Embodiment two
The utility model embodiment two proposes a kind of carbon starch cylinder.
For the ease of description, one end where the handle of carbon starch cylinder is defined as rear end, the other end is front end.
Fig. 1 to 19 is refer to, carbon starch cylinder includes：
Cylinder 4, its perisporium are provided with meal outlet 41, and cylinder both ends are respectively equipped with drive end bearing bracket 42 and rear end cap 43；
Slip lid 9, its inwall are bonded and can rotated around the tubular axis relative to the cylinder 4 with cylinder 4；
Flour stirring bar 5, in the cylinder 4；
Flour stirring bar gear 6, it is fixed on one end of the close drive end bearing bracket 42 of flour stirring bar 5；
Carrier gear 7, it is fixed on drive end bearing bracket 42, and is engaged with the flour stirring bar gear 6；
Stop bit transmission mechanism described in embodiment one, wherein ratchet 1 are fixed on the rear end of the flour stirring bar 5, the He of extension spring 3
The fixing end of claw 2 is fixed on rear end cap 43.
With reference to Figure 15 to 19, the course of work of the carbon starch cylinder comprises the following steps：
S1, as shown in figure 15, first, by carbon starch cylinder, X1 directions are inserted in imaging device developing chamber along Figure 15, positioned at first
Beginning position, the bayonet socket 81 on slip lid 8 can be fallen into the snapped-in position of developing chamber, prevent slip lid 8 from rotating, now the quilt of meal outlet 41
Slip lid 8 covers；
S2, as shown in figure 16, along Y1 directions rotating cylinder 4, cylinder 4 is rotated to precalculated position with respect to slip lid 8, make front end
Carrier gear 7 on lid 42 engages with the drive gear on imaging device；
S3, as shown in Figure 17, Figure 19, start imaging device, in the presence of imaging device drive gear, carrier gear 7
Rotated along Y2 directions, the flour stirring bar gear 6 engaged with carrier gear 7 rotates along Y3 directions, so as to drive flour stirring bar 5, spine successively
Wheel 1 also rotates along Y3 directions, but because claw 2 engages with the Elastic Teeth 11 on ratchet 1, the rotation of suppression ratchet 1, due to this
When carrier gear 7 still engaged with imaging device drive gear, the driving force of imaging device be converted into make cylinder 4 along Y4 directions turn
Dynamic power, thus, cylinder 4 further have rotated an angle with respect to slip lid 8, make the meal outlet 41 on cylinder 4 start to connect
The powder inlet of logical imaging device developing chamber；
S4, as shown in figure 18, when the meal outlet 41 on the cylinder 4 is directed at the powder inlet of imaging device developing chamber completely,
Now the door in imaging device developing chamber to be opened, carbon starch cylinder is in operating position, and rear cylinder body 4 can not be rotated again,
And equipment continues to drive carrier gear 7, and flour stirring bar 5, ratchet 1 are driven successively, when the Elastic Teeth 11 on ratchet 1 is due to claw 2
Generation elastic deformation produces slip teeth, and the jacking block on the ratchet 1 goes to top and opens follow block, claw 2 is left ratchet 1, so as to solve
After the lock to ratchet 1, carrier gear 7, puddle support gear 6 can be rotated into row under the driving of imaging device drive gear
Normal work, the meal outlet 41 of cylinder 4 persistently carry out supplying powder to imaging device.
Carbon starch cylinder described in the utility model employs stop bit transmission mechanism described in embodiment one, and one is due to the elasticity
Tooth 11 is made of elastomeric material so that when ratchet 1 is driven, Elastic Teeth 11 can occur under the braking action of claw 2
Elastic deformation, and reverse drive carbon starch cylinder rotates, and carbon starch cylinder is gone to operating position and carries out supplying powder.Second, the ratchet 1 passes through
Screw is fixed on flour stirring bar 5, and claw 2 and extension spring 3 are fixed on rear end cap 43 by screw, and mounting structure is simple, processing peace
Fill it is easy to maintenance, and using the reversible Elastic Teeth 11 of deformation when carbon starch cylinder regulation supply powder position progress stop bit, in carbon starch cylinder
Unblock makes flour stirring bar gear 6 normally drive to the progress rotary work of flour stirring bar 5 after into operating position, effectively can smoothly realize
The spacing and can of rotation stop of ratchet 1, which is realized, to be resetted.Third, the stop bit transmission mechanism of existing carbon starch cylinder generally with carrier gear, flour stirring
Bar gear is all provided close on the drive end bearing bracket of imaging device driving wheel together, and the part of arrangement is more in drive end bearing bracket, to each part
Machining accuracy and installation accuracy require all very high, otherwise easily produce stuck phenomenon, and then drive device is caused to damage, this
The stop bit transmission mechanism is disposed far from the rear end cap of driving wheel by utility model, also causes processing installation and maintenance to be more convenient.
Fourth, if carbon starch cylinder midway is removed and puts in back use, the utility model can be restored again automatically using Elastic Teeth 11, and
Stop bit transmission mechanism described in the utility model operates one end of the handle 9 of cylinder 1 positioned at convenience, lightly on rear end cap
Claw 2 is stirred, claw 2 can be gone back to automatically to be engaged with ratchet 1 again, easy to use.
Further, the carbon starch cylinder also includes handle 9, and the handle 9 is foldable to be connected on the rear end cap 43.
In above-mentioned steps S2, the handle 9 is used for convenient operation rotary barrel 4；In above-mentioned steps S3, start imaging
Handle 9 is folded during equipment.
Further, as shown in fig. 7, the one side of the direction of the handle 9 cylinder 4 has extended vertically depression bar 91, institute
One end radially protruding of the close cylinder 4 of depression bar 91 is stated formed with hook portion 92, the hook portion 92 has to sliding surface 93, described
Sliding surface 93 can be bonded with the even surface 253 of the claw 2.
When the handle 9 folds, because it is bonded to sliding surface 93 with the even surface 253 of claw 2, handle 9 is outwardly opened
While, it is described to sliding surface 93 can be downward to the claw 2 one be allocated as exerting oneself, so as to which claw 2 was dialled close to ratchet side
To dead-centre position, then engaged under the pulling force effect of extension spring 3 to ratchet 1 is close with Elastic Teeth 11.When the handle 9 is in open shape
State, when cylinder 4 is fitted into imaging device, when being pressed inwardly into handle 9, depression bar 91 can also contact with claw 2, make claw 2 to
Ratchet 1 is close, and thus the reset of claw is very convenient.
Further, the carbon starch cylinder also includes：
Flour stirring piece 51, it is installed on the flour stirring bar 5；
Meal outlet sponge 44, it is installed at the meal outlet 41；
Strip of paper used for sealing 45, it is pasted on the meal outlet sponge 44；
Powder filling port 431, on the rear end cap 43, and soft lid 432 is installed；
Oil sealing 52, located at the flour stirring bar 5 and the drive end bearing bracket 42 and the junction of rear end cap 43.
Label 82, it is affixed on the slip lid 8.
Wherein, the flour stirring piece 51 is used to be stirred carbon dust in carbon starch cylinder, the meal outlet sponge 44 and oil sealing 52
It is for ensuring that carbon starch cylinder seals.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. stop bit transmission mechanism, it is characterised in that including：Ratchet, its outer rim are provided with Elastic Teeth；Claw, located at the side of the radial direction of the ratchet, including fixing end and around the rotatable movable end of fixing end, the activity End is provided with the claw that can be engaged with the Elastic Teeth；Extension spring, its one end are fixed, and its other end is fixed on the movable end of claw, make the claw to the ratchet to provide Close power；The Elastic Teeth is made of elastomeric material, when the claw of claw is sticked in Elastic Teeth under the active force of extension spring, Realize soft fixation to the ratchet, and when ratchet is driven by sufficiently large external force, the Elastic Teeth will deform and Produce slip teeth.
- 2. stop bit transmission mechanism as claimed in claim 1, it is characterised in that the ratchet can be integrally formed, or take multilayer Structure：The resilience gear ring being fixed in including wheel hub and set on wheel hub.
- A kind of 3. stop bit transmission mechanism, applied to carbon starch cylinder, it is characterised in that including：Ratchet, located at flour stirring bar one end, its outer rim is provided with Elastic Teeth, and outside is convexly equipped with jacking block；Claw, located at the side of the radial direction of the ratchet, including fixing end and around the rotatable movable end of fixing end, the activity End is provided with the claw that can be engaged with the Elastic Teeth, and another extend is provided with follow block on the outside of the claw；Extension spring, its one end are fixed, and its other end is fixed on the movable end of claw, make the claw to the ratchet to provide Close power；The Elastic Teeth is made of elastomeric material, when the claw of claw is sticked in Elastic Teeth under the active force of extension spring, Realize the soft fixation to the ratchet；It is no longer able to turn after the carbon starch cylinder is driven in rotation to operating position, and the carbon Powder drum may proceed to be driven, and when the ratchet is driven by sufficiently large external force, the Elastic Teeth will deform and produce Slip teeth, until the jacking block goes to the rotation of ratchet and abutted with the follow block, the claw is jacked up and taken off with the Elastic Teeth From rear, carbon starch cylinder is transferred to working condition, and the ratchet carries out normal rotation.
- 4. stop bit transmission mechanism as claimed in claim 3, it is characterised in that the ratchet can be integrally formed, or take multilayer Structure：The resilience gear ring being fixed in including wheel hub and set on wheel hub.
- 5. stop bit transmission mechanism as claimed in claim 3, it is characterised in that the claw includes：First plate portion, there is the follow block, and extend the first plate portion the same face：Second plate portion, it has the pars convoluta being bonded with the Elastic Teeth back of tooth, and the claw extends the pars convoluta；Installation portion, provided with claw mounting hole；The side end face provided with jacking block of the ratchet is first end face, and first plate portion and the second plate portion are respectively arranged on described The both sides of first end face.
- 6. stop bit transmission mechanism as claimed in claim 5, it is characterised in that first plate portion has away from the ratchet Outer face and the inner end for connecting second plate portion, from the outer face to inner end formed with an even surface, the even surface It is in certain acute angle with the plane where the first end face.
- A kind of 7. carbon starch cylinder, it is characterised in that including：Cylinder, its perisporium are provided with meal outlet, and cylinder both ends are respectively equipped with drive end bearing bracket and rear end cap；Slip lid, its inwall and cylinder are bonded and can be around the relative barrel body rotations of the tubular axis；Flour stirring bar, in the cylinder；Flour stirring bar gear, it is fixed on one end of the close drive end bearing bracket of flour stirring bar；Carrier gear, it is fixed on drive end bearing bracket, and is engaged with the flour stirring bar gear；Stop bit transmission mechanism described in any one of claim 1 to 6, wherein ratchet are fixed on the rear end of the flour stirring bar, extension spring It is fixed on the fixing end of claw on rear end cap.
- 8. carbon starch cylinder as claimed in claim 7, it is characterised in that also including handle, the handle is foldable be connected to it is described On rear end cap.
- 9. carbon starch cylinder as claimed in claim 8, it is characterised in that the one side of the direction cylinder of the handle extends vertically There is depression bar, formed with hook portion, the hook portion has to sliding surface one end radially protruding of the close cylinder of the depression bar, described Sliding surface can be bonded with the even surface of the claw.
- 10. carbon starch cylinder as claimed in claim 7, it is characterised in that also include：Flour stirring piece, it is installed on the flour stirring bar；Meal outlet sponge, it is installed on the meal outlet；Strip of paper used for sealing, it is pasted on the meal outlet sponge；Powder filling port, on the rear end cap, and soft lid is installed；Oil sealing, located at the flour stirring bar and the drive end bearing bracket and rear end cap junction；Label, it is affixed on the slip lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720718867.XU CN206863482U (en) | 2017-06-20 | 2017-06-20 | Stop bit transmission mechanism and carbon starch cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720718867.XU CN206863482U (en) | 2017-06-20 | 2017-06-20 | Stop bit transmission mechanism and carbon starch cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN206863482U true CN206863482U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720718867.XU Active CN206863482U (en) | 2017-06-20 | 2017-06-20 | Stop bit transmission mechanism and carbon starch cylinder |
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| Country | Link |
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| CN (1) | CN206863482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247395A (en) * | 2017-06-20 | 2017-10-13 | 北京中恒复印设备集团有限公司 | Stop bit transmission mechanism and carbon starch cylinder |
| CN108089418A (en) * | 2018-02-06 | 2018-05-29 | 北京中恒复印设备集团有限公司 | Go out powder structure and powder drum |
| WO2022247072A1 (en) * | 2021-05-26 | 2022-12-01 | 北京新晨办公设备有限公司 | Connecting rod device and mounting and conveying device for toner supply container |
-
2017
- 2017-06-20 CN CN201720718867.XU patent/CN206863482U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247395A (en) * | 2017-06-20 | 2017-10-13 | 北京中恒复印设备集团有限公司 | Stop bit transmission mechanism and carbon starch cylinder |
| CN107247395B (en) * | 2017-06-20 | 2023-09-29 | 唐山曹妃甸映美科技有限公司 | Stop transmission mechanism and carbon powder cylinder |
| CN108089418A (en) * | 2018-02-06 | 2018-05-29 | 北京中恒复印设备集团有限公司 | Go out powder structure and powder drum |
| CN108089418B (en) * | 2018-02-06 | 2024-03-01 | 唐山曹妃甸映美科技有限公司 | Powder discharging structure and powder cylinder |
| WO2022247072A1 (en) * | 2021-05-26 | 2022-12-01 | 北京新晨办公设备有限公司 | Connecting rod device and mounting and conveying device for toner supply container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: 063200 Xinxing Industrial Park, Caofeidian Industrial Zone, Hebei, Tangshan City Patentee after: Tangshan Caofeidian Yingmei Technology Co., Ltd Address before: 101101 village, Liyuan Town, Tongzhou District, Beijing Patentee before: CET Group Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Stop transmission mechanism and toner cartridge Effective date of registration: 20220110 Granted publication date: 20180109 Pledgee: Bank of Cangzhou Limited by Share Ltd. Yutian branch Pledgor: Tangshan Caofeidian Yingmei Technology Co.,Ltd. Registration number: Y2022980000238 |