Background technology
A kind of handle box, this handle box can be dismantled and be arranged on freely on electronic imaging apparatus.In described electronic imaging apparatus, be provided with revolving force driver element.In described handle box, be provided with accordingly for intermeshing with the driver element of electronic imaging apparatus and then receive the power receiving element of the driving force of rotation, finally by power receiving element, the driving force of rotation is passed in each element of handle box inside and makes its running, participate in and the development work of electronic imaging apparatus.
In existing technology, electronic imaging apparatus is carrying out development work (being " printing " that user often says) before, user need be mounted to handle box in electronic imaging apparatus, and the power receiving element in handle box need contact with the driver element on electronic imaging apparatus and then be intermeshing.
As shown in Figure 1 to Figure 3, the schematic diagram while engagement with the driver element 90 in electronic imaging apparatus (not show) for the power receiving element 100 of handle box C.Handle box C generally comprises development part 20 and ink powder part 10, and power receiving element 100 is arranged on one end of handle box C, and power receiving element 100 comprises acceptance division 100a, transfer part 100c and make its interconnective connecting rod 100x.Its acceptance division 100a at least comprises a pair of symmetrically arranged protruding 120, and its protruding 120 sides are provided with stress surface 121, described stress surface 121 for driver element 90 outside surfaces 91 on the drive post 92 of a pair of symmetry carry out butt to receive the driving force of rotation.
As shown in Figure 4, when power receiving element 100 is intermeshing with driver element 90, driver element 90 R running in the counterclockwise direction, a pair of drive post 92 butts of its driver element 90 produce stress point a1, a2 during to the stress surface 121 of acceptance division 100a.Because power receiving element 100 and driver element 90 right alignment when the engagement is higher and drive post 92 arranges mutually with the symmetry of projection 121, in the situation that having stress point a1, a2, driver element 90 can be passed to rotary driving force power receiving element 100 relatively reposefully like this.
Here, as shown in Figure 5, be the driver element 80 in another electronic imaging apparatus (not show), different from above-mentioned driver element 90: the drive post 82 of only having a monolateral setting on the outside surface 81 of its driver element 80.In the time that this driver element 80 power receiving element 100 similar to the above is intermeshing, driver element 80 R running in the counterclockwise direction, drive post 82 butts of driver element 80 only produce stress point a1 during to the stress surface 121 of acceptance division 100a, as shown in Figure 6.Therefore in the situation that only thering is stress point a1, power receiving element 100 is difficult to mutually butt reposefully because monolateral unbalance stress causes projection 120 and drive post 82 in reception dynamic process, finally causes the phenomenons such as handle box occurs rocking in the time of work, projection 120 disengaging drive post 82.The structure of the same power receiving element 100 of above-mentioned like this use cannot be intermeshing with this driver element 80, and handle box C can not carry out and the development work of electronic imaging apparatus equally.
Utility model content
The utility model provides the receiving element of the power in a kind of handle box, can not effectively engage the problem with transferring power with dissimilar driver element to solve above-mentioned power receiving element.
In order to solve above-mentioned technical matters, the technical scheme that the utility model is taked is:
The power receiving element that a kind of handle box is used, described power receiving element is arranged on one end of handle box, described handle box can be dismantled and be mounted in electronic imaging apparatus, on described electronic imaging apparatus, be provided with driver element, described power receiving element will be passed in described handle box from the driving force of electronic imaging apparatus by engaging with driver element, and described power receiving element comprises:
Acceptance division, described acceptance division comprises a flange, described flange is provided with projection, is provided with the stress surface with the drive post butt of driver element in described projection;
Transfer part, the rotary driving force that described transfer part receives acceptance division is passed to the rotating mechanism in handle box;
Connecting rod, one end of described connecting rod is connected with acceptance division, and the other end of described connecting rod is connected with transfer part; It is characterized in that: the drive post being also provided with on described flange for preventing driver element departs from the location division of described projection in the process of transmission of drive force; The stress surface of described location division and described projection is relative and on described flange, be separated from each other setting with described projection.
Between described projection and location division, above flange, form a groove, the narrowest width of described groove is greater than the diameter of the drive post of driver element.
Described projection outward extending height on flange is greater than described location division outward extending height on flange.
The inside surface of described location division is set to for the locating surface with arc against driver element outside surface.
Describedly be raised with multiplely, being also provided with that described location division is corresponding is multiple.
Describedly be raised with two, what described location division was corresponding is also provided with two.
Described location division to the distance between each adjacent projection equates.
The side of described location division is provided with the spigot surface being formed by cambered surface or inclined-plane, and described spigot surface is for slipping between projection and location division the drive post of driver element.
Under described flange, be also provided with an opening being formed by inclined-plane or cambered surface.
The utility model also provides a kind of handle box, is provided with arbitrary power receiving element as above-mentioned in claim in described handle box.
Adopting after above-mentioned scheme, owing to being also provided with a location division on flange, described projection outward extending height on flange is greater than described location division outward extending height on flange.Only make to need the power receiving element of a type can comparatively steadily and effectively the driving force of rotation be passed to can be intermeshing with dissimilar driver element time to make in handle box it to participate in and the development work of electronic imaging apparatus.Also avoided in reception dynamic process, when working occurring shaking phenomenon because unbalance stress causes handle box because of power receiving element simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the driver element of a kind of handle box and electronic imaging apparatus;
Fig. 2, Fig. 3 are the structural representation of a kind of driver element of a kind of power receiving element in handle box and electronic imaging apparatus;
Fig. 4 is a kind of power receiving element and a kind of driver element schematic diagram when intermeshing;
Fig. 5 is the structural representation of a kind of power receiving element and another kind of driver element;
Fig. 6 is a kind of power receiving element and the another kind of driver element schematic diagram when intermeshing;
Fig. 7 a is power receiving element in embodiment mono-of the present utility model and a kind of structural representation of driver element;
Fig. 7 b, Fig. 8 a, Fig. 8 b, Fig. 8 c are the structural representation of the power receiving element in embodiment mono-of the present utility model;
Fig. 9 a, 9b are power receiving element and the schematic diagram of a kind of driver element in engagement process in embodiment mono-of the present utility model;
Figure 10 a is power receiving element and the intermeshing schematic diagram of a kind of driver element in embodiment mono-of the present utility model;
Figure 10 b is power receiving element in embodiment mono-of the present utility model and the another kind of driver element schematic diagram when intermeshing;
Figure 11, Figure 12, Figure 13 are the structural representation of the power receiving element in embodiment bis-of the present utility model;
Figure 13 a is power receiving element and the intermeshing schematic diagram of a kind of driver element in embodiment bis-of the present utility model;
Figure 13 b is power receiving element and the intermeshing schematic diagram of another kind of driver element in embodiment bis-of the present utility model;
Embodiment
Embodiment is described below with reference to the accompanying drawings.
(handle box)
Shown in figure 1, it is the structural representation of handle box C in electronic imaging apparatus (not show).Handle box C generally comprises development part 20 and ink powder part 10, and its power receiving element is in one end of handle box C.According to the structure of different disposal box, power receiving element can be arranged on the rotating mechanisms such as photosensitive drums 50/ developer roll/magnetic roller/powder feeding roller/stirring parts.Can be arranged on separately in addition on the framework of handle box C one end, by built-in gear transmission power to each mechanism.
(power receiving element 200)
Embodiment mono-
If Fig. 7 a, Fig. 7 b are that power receiving element 200 in embodiment mono-is arranged on the structural representation in photosensitive drums 50.Power receiving element 200 comprises acceptance division 200a, transfer part 200c and connecting rod 200x; One end of connecting rod 200x is connected with acceptance division 200a, and the other end of connecting rod 200x is connected with transfer part 200c.
Acceptance division 200a comprises a flange 210, is provided with the projection 220 of at least one pair of symmetry on flange 210, and protruding 220 sides are provided with stress surface 221, and protruding 220 inside surfaces are provided with auxiliary surface 225; On flange 210, be also at least provided with one and depart from described protruding 220 location division 260 for the drive post 82/92 that prevents driver element 80/90 in the process of transmission of drive force; Described location division 260 is relative with described protruding 220 stress surface 221 and on flange 210, be separated from each other setting with projection 220.The side of location division 260 is provided with the spigot surface 261 being formed by cambered surface or inclined-plane, and the inside surface of location division 260 is set to for the locating surface with arc 265 against driver element 80/90 outside surface 81/91.Transfer part 200c surface is provided with the gear for transferring power, and the rotary driving force that transfer part 200c receives acceptance division 200a is passed to the rotating mechanism in handle box C.
Preferably, for realizing optimum efficiency, the location division 260 on flange 210 is a pair of and is symmetric setting with respect to the center of acceptance division 200a.
Shown in figure 7b, 8b, for the drive post 82 that makes driver element 80 is meshed with projection 220 better, its location division 260 bump, adjacent 220 arrange and location division 260 and projection 220 form the groove 240 of one " U " shape above flange 210, the narrowest width D 1 between groove 240 should be greater than the diameter D2 of the drive post 82 of driver element 80 simultaneously, and its narrowest width D 1 is generally 1.5mm to 5mm.Like this, by the shape of " U " shape, in the time that power receiving element 200 engages with driver element 80/90, the shape of its groove 240 can be surrounded drive post 82/92 better, makes in transferring power process to be difficult for departing from, and handle box such as rocks at the phenomenon.
Simultaneously, with reference to figure 8a, because location division 260 is mainly as location and the abutment action of driver element 80 outside surfaces 81, the height of its location division 260 should be lower than the height of projection 220, and projection 220 outward extending height H 1 on flange 210 is greater than its location division 260 outward extending height H 2 on flange 210.
Meanwhile, with reference to figure 8b, the auxiliary surface 225 of above-mentioned projection 220 or the locating surface 265 of location division 260 should be greater than the radius R 1 of driver element 80 outside surfaces 81 to the minor increment L1 at acceptance division 200a center and L2, and its distance L 1 and L2 are generally 3mm to 6mm.
In addition, with reference to figure 8c, under flange 210, be also provided with an opening being formed by inclined-plane or cambered surface 250.
As shown in Fig. 9 a, 9b, be power receiving element 200 and the schematic diagram of driver element 80 in engagement process.At drive post 82 butts of driver element 80 to before the stress surface 221 of power receiving element projection 220, driver element 80 in the counterclockwise direction R is rotated, its drive post 82 is through being arranged on the location division 260 on flange 210, and the spigot surface 261 arranging by 260 sides, location division slips in the groove 240 between projection 220 and location division 260 drive post 82.
As shown in Figure 10 a, in the time of the stress surface 221 of monolateral drive post 82 butt to projections 220 of driver element 80, produce stress point A1, while is because of the setting of location division 260, the outside surface 81 of its driver element 80 can be resisted against on the locating surface 265 of a location division 260 of contiguous drive post 82 stress point A2, and the outside surface 81 of driver element 80 can also be resisted against on the auxiliary surface 225 of another projection 220 and has stress point A3.Like this, power receiving element 200 by with the intermeshing generation stress point A1 of driver element 80, A2, A3 after, driver element 80 can comparatively steadily and coaxially be passed to the driving force of rotation in acceptance division 200a.
In addition, due to " U " connected in star 240 forming between projection 220 and location division 260, in transferring power process, its drive post 82 can slip in " U " connected in star 240.Like this, even if the outside surface of driver element 80 81 does not form stress point A2, A3 with the inwall (auxiliary surface 225 or locating surface 265) of acceptance division 200a, its " U " connected in star 240 can surround drive post 81 equally can not depart from projection 220 drive post 81.
Similarly, the structure of the power receiving element 200 in embodiment is also applicable to the structure of driver element 90.As shown in Figure 10 b, due to drive post 92 being symmetrical arranged on outside surface 91, when a pair of drive post 92 butts of driver element 90 will produce stress point a1, a2 during to a pair of protruding 220 stress surface 221.In addition, if the radius of outside surface 91 is during close to distance L 1 and L2 (with reference to figure 8b), due to the setting of location division 260, the outside surface 91 of driver element 90 by the locating surface 265 being resisted against on a location division 260, have stress point a3 simultaneously/or be resisted against on the auxiliary surface 225 in a projection 220 and there is stress point a4.
By the setting of above-mentioned location division 260 in embodiment mono-, make power receiving element 200 be not only applicable to monolateral drive post 82 driver element 80 but also applicable to the driver element 90 with symmetrical drive post 92.Its location division 260 power receiving element 200 and driver element 80/90 engage transferring power process in can produce extra stress point, make that drive post 82/92 is difficult for and the phenomenon such as projection 220 departs from, waves, make that both more stablize in the time transmitting power, right alignment is high.
Embodiment bis-
If Figure 11, Figure 12 are that power receiving element 200 in embodiment bis-is arranged on the structural representation in photosensitive drums 50.From different in embodiment mono-: at least one location division 360/460 on flange 210 is arranged between a pair of protruding 220, its location division 360/460 is roughly equal to the distance between each protruding 220.The spigot surface 361 of You You inclined-plane, the side composition of location division 360/460 or the spigot surface 461 being made up of cambered surface, the inside surface of location division 360/460 is set to for the locating surface with arc 365/465 against driver element 80/90 outside surface 81/91.Preferably, for realizing optimum efficiency, on flange 210, be a pair of location division 360/460 is set symmetrically with respect to the center of acceptance division 200a.
As shown in figure 13, by the setting of above-mentioned location division 360/460, spigot surface 261 and the same effect of locating surface 265 in can making power receiving element 200 can reach in the time transmitting power with driver element 80/90 engagement to there is the location division in embodiment mono-260.And the distance B 3 between 220 is wider with the distance B 1 between protruding 220 than location division 260 because of location division 360/460 and projection, drive post 82/92 is more easily positioned between location division 360/460 and projection 220 like this, and more easily realize size Control in the time manufacturing or produce power receiving element 200, avoid largely because dimensional accuracy is less than the scrap products of having to.
As shown in Figure 13 a, 13b, it is power receiving element 200 and driver element 80 schematic diagram when intermeshing.At drive post 82 butts of driver element 80 to before the stress surface 221 of power receiving element projection 220, driver element 80 in the counterclockwise direction R is rotated, its drive post 82 is through being arranged on the location division 360/460 on flange 210, the setting of the distance B 3 between the spigot surface 361/461 arranging by 360/460 side, location division and location division 360/460 and projection 220, the setting of the distance B 1 in comparative example one, more easily slips between projection 220 and location division 360/460 drive post 82.
As shown in Figure 13 a, in the time of the stress surface 221 of monolateral drive post 82 butt to projections 220 of driver element 80, produce stress point A1, while is because of the setting of location division 360/460, the outside surface 81 of its driver element 80 can be resisted against on the locating surface 365/465 of a location division 360/460 of contiguous drive post 82 stress point A2, and the outside surface 81 of driver element 80 can also be resisted against on the auxiliary surface 225 of another projection 220 and has stress point A3.Like this, power receiving element 200 by with the intermeshing generation stress point A1 of driver element 80, A2, A3 after, driver element 80 can comparatively steadily and coaxially be passed to the driving force of rotation in acceptance division 200a.
Similarly, the structure of the power receiving element 200 in embodiment is also applicable to the structure of driver element 90.As shown in Figure 13 b, due to drive post 92 being symmetrical arranged on outside surface 91, when a pair of drive post 92 butts of driver element 90 will produce stress point a1, a2 during to a pair of protruding 220 stress surface 221.In addition, if the radius of outside surface 91 is during close to distance L 1 and L2 (with reference to figure 8b), due to the setting of location division 360/460, the outside surface 91 of driver element 90 by the locating surface 365/465 being resisted against on a location division 360/460, have stress point a3 simultaneously/or be resisted against on the auxiliary surface 225 in a projection 220 and there is stress point a4.
By the setting of above-mentioned location division 360/460 in embodiment bis-, make power receiving element 200 be not only applicable to monolateral drive post 82 driver element 80 but also applicable to the driver element 90 with symmetrical drive post 92.Its location division 360/460 power receiving element 200 and driver element 80/90 engage transferring power process in can produce extra stress point, make that drive post 82/92 is difficult for and the phenomenon such as projection 220 departs from, waves, make that both more stablize in the time transmitting power, right alignment is high.
(effect of utility model)
By the structure setting of above-mentioned power receiving element, only make to need the power receiving element of a type can comparatively steadily and effectively the driving force of rotation be passed to can be intermeshing with dissimilar driver element time to make in handle box it to participate in and the development work of electronic imaging apparatus.Also avoided in reception dynamic process, when working occurring shaking phenomenon because unbalance stress causes handle box because of power receiving element simultaneously.
Be illustrated this enforcement is novel by embodiment above, be not limited only to this but this enforcement is novel, also contain according to this and implement the various distortion that novel thought is done in this implements the scope of novel technical scheme.