CN217238604U

CN217238604U - Charging roller capable of extending

Info

Publication number: CN217238604U
Application number: CN202220662271.3U
Authority: CN
Inventors: 邓家来
Original assignee: Suzhou Tiancai Textile Arts & Crafts Co ltd
Current assignee: Suzhou Tiancai Textile Arts & Crafts Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-19
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a charging roller capable of extending, which comprises a first shaft body and a second shaft body which are bilaterally symmetrical, wherein one end of the second shaft body is provided with a through hole, the first shaft body is rotationally arranged on the through hole, a moving component which drives the second shaft body to move when the first shaft body rotates and is connected with a second gear, a plurality of contraction rings are arranged at the joint of the first shaft body and the second shaft body at one time, a driving component which can sequentially expand the diameter of the contraction rings when the first shaft body rotates is arranged on the fixed shaft and is connected with a first gear with missing tooth, the diameter of the contraction rings is the same as the diameter of the first shaft body after being expanded, the charging roller can be arranged in selenium drums with different models by changing the length of the charging roller, when a consumer needs to change the charging roller, the charging roller can be arranged only by adjusting the length required by the selenium drum, the required length can be adjusted according to different toner cartridge models.

Description

Extensible charging roller

Technical Field

The utility model relates to a selenium drum field especially relates to a roller that charges that can extend.

Background

In the traditional charging roller, the length of the charging roller is fixed, and in the process of producing the toner cartridge, the toner cartridge has a plurality of different models, and the lengths of the charging rollers used in different models are different, and in the actual use of the printer, when a consumer needs to replace the charging roller, the model of the toner cartridge of the printer used currently needs to be found out, and then the corresponding charging roller is purchased according to the model of the toner cartridge, but the models of the toner cartridge in the market are many, and the consumer hardly finds the corresponding charging roller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a charging roller that can extend.

In order to achieve the purpose, the utility model adopts the following scheme:

a charging roller capable of extending comprises a first shaft body and a second shaft body which are bilaterally symmetrical, cotton cores are sleeved on the outer walls of the first shaft body and the second shaft body, a fixed shaft is fixedly arranged on the shaft center of the first shaft body, a first tooth-lacking gear is rotatably arranged at one end of the fixed shaft, a second tooth gear is fixedly arranged at one end of the first tooth-lacking gear, a square groove capable of penetrating through the first tooth-lacking gear and the second tooth gear is arranged on the shaft center of the second tooth gear, a square rod is arranged in the square groove in a penetrating manner, a first rotating shaft is fixedly arranged at one end of the square rod, a through hole is arranged at one end of the second shaft body, the first rotating shaft is rotatably arranged on the through hole, a moving assembly for driving the second shaft body to move when the first rotating shaft rotates is arranged on the fixed shaft and is connected with the second tooth gear, a plurality of contraction rings are arranged at the joint of the first shaft body and the second shaft body at one time, be equipped with the drive assembly who can make the diameter expansion of shrink ring in proper order when first pivot rotates on the fixed axle to with first scarce tooth gear connection, the diameter expansion back of shrink ring is the same with primary shaft diameter, the utility model discloses thereby can install in different model selenium drums through the length that changes self, only need to adjust the length that the selenium drum needs to the roller that charges when the consumer need change the roller that charges and just can install going, can adjust required length according to the selenium drum model of difference.

Furthermore, the movable assembly comprises a first fixing plate fixed on the fixing shaft, a first threaded cylinder is arranged on the first fixing plate in a rotating mode, a first threaded rod is connected to the first threaded cylinder in a threaded mode, a first gear capable of being meshed with a second gear is arranged on the outer wall of the first threaded cylinder, a first disc is arranged on the outer wall of the first rotating shaft in a specified mode, an annular groove is formed in one side of the first disc, a guide block is fixedly arranged at one end of the first threaded rod and is arranged in the annular groove, and the length of the movable assembly is fixed and unchanged under the condition that the first rotating shaft is not rotated after the movable length is determined.

Furthermore, the shrink ring is located first axis body and second axis body junction and is equipped with a plurality of arcs that can amalgamate the whole circle in proper order including the axle center along the fixed axle, the arc is hollow, adjacent two be connected with the arc strip between the arc fixed epaxial a plurality of guide posts of following the circumference in proper order wear to be equipped with on the guide post the uide bushing, uide bushing one end is fixed on the arc, rotates on one of them guide post and is equipped with a second screw thread section of thick bamboo fixed being equipped with on the arc inner wall can with the second threaded rod that the second screw thread section of thick bamboo is connected, the second screw thread section of thick bamboo is connected with drive assembly, and every second axis body removes behind the distance of an arc width, the shrink ring will expand the diameter size of second axis body.

Further, the driving assembly comprises a second fixing plate fixed at one end of the fixing rod, a second rotating shaft is rotatably arranged on the second fixing plate, a third gear capable of being meshed with the first gear-lacking gear is fixedly arranged at one end of the second rotating shaft, a first bevel gear is fixedly arranged at the other end of the second rotating shaft, a third fixing plate is arranged on the fixing shaft and positioned on one side of the second fixing plate, a fourth rotating shaft is rotatably arranged on the third fixing plate, a second bevel gear capable of being meshed with the first bevel gear is fixedly arranged at one end of the fourth rotating shaft, fifth rotating shafts are symmetrically arranged on the fixing shaft and positioned on one sides of the second threaded cylinders, first belts are sleeved on the fifth rotating shafts, second belts are sleeved on the fifth rotating shafts and the fourth rotating shafts, a sixth rotating shaft is rotatably arranged on the fixing shaft and positioned between the second belts and the second threaded cylinders, and third belts are sleeved on the sixth rotating shafts and the second threaded cylinders, and a fourth gear is fixedly arranged on the sixth rotating shaft, and teeth capable of driving the fourth gear in sequence are sequentially arranged on the outer wall of the first belt.

Preferably, the outer walls of the first shaft body and the second shaft body are sequentially provided with T-shaped grooves, the inner wall of the cotton core is sequentially provided with T-shaped blocks capable of being matched with the T-shaped grooves, and the cotton core with the length after being moved with the second shaft body is added after the cotton core is required to be replaced after the second shaft body is moved.

Preferably, the distance of each movement of the second shaft body is the width of the arc-shaped plate.

To sum up, utility model is for its beneficial effect of prior art: the utility model discloses thereby can install in different model selenium drums through the length that changes self, only need to adjust the length that the selenium drum needs to the roller that charges when the consumer need change the roller that charges and just can install and go, can adjust required length according to the selenium drum model of difference.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

FIG. 3 is a cross-sectional view of the present invention

Fig. 4 is a second cross-sectional view of the present invention.

Figure 5 is an enlarged view of a-a of figure 2 according to the present invention.

Fig. 6 is an enlarged view of B-B of fig. 2 according to the present invention.

Fig. 7 is an enlarged view of C-C in fig. 3 of the present invention.

Fig. 8 is an enlarged view of D-D in fig. 4 of the present invention.

Description of the reference numerals: 1. a first shaft body; 2. a second shaft body; 3. a cotton core; 4. a fixed shaft; 5. a first missing-tooth gear; 6. a second toothed gear; 7. a square groove; 8. a square rod; 9. a first rotating shaft; 10. a through hole; 20. a moving assembly; 40. a shrink ring; 60. a drive assembly; 21. a first fixing plate; 22. a first threaded barrel; 23. a first threaded rod; 24. a first gear; 25. a first disc; 26. an annular groove; 41. an arc-shaped plate; 42. an arc-shaped strip; 43. a guide post; 44. a second threaded barrel; 47. a second threaded rod; 61. a second fixing plate; 62. a second rotating shaft; 63. a third gear; 64. a first bevel gear; 65. a third fixing plate; 66. a fourth rotating shaft; 67. a second bevel gear; 68. a fifth rotating shaft; 69. a first belt; 70. a second belt; 71. a sixth rotating shaft; 72. a third belt; 73 teeth; 74. a fourth gear; 15. a T-shaped slot; 16. a T-shaped block.

Detailed Description

The following detailed description provides many different embodiments, or examples, for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the invention, and are not intended to represent a particular relationship between the various embodiments and/or structures discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The device may be turned to different degrees of rotation or other orientations and the spatially relative adjectives used therein may be similarly interpreted and are thus not to be construed as limitations on the invention, the terms "first" and "second" being used merely for descriptive purposes and not to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: as shown in fig. 1 to 8, the extensible charging roller comprises a first shaft body 1 and a second shaft body 2 which are bilaterally symmetrical, a cotton core 3 is sleeved on the outer walls of the first shaft body 1 and the second shaft body 2, a fixed shaft 4 is fixedly arranged on the shaft center of the first shaft body 1, a first tooth-lacking gear 5 is rotatably arranged at one end of the fixed shaft 4, a second tooth gear 6 is fixedly arranged at one end of the first tooth-lacking gear 5, a square groove 7 which can penetrate through the first tooth-lacking gear 5 and the second tooth gear 6 is arranged on the shaft center of the second tooth gear 6, a square rod 8 is penetrated in the square groove 7, a first rotating shaft 9 is fixedly arranged at one end of the square rod 8, a through hole 10 is arranged at one end of the second shaft body 2, the first rotating shaft 9 is rotatably arranged on the through hole 10, a moving component 20 which drives the second shaft body 2 to move when the first rotating shaft 9 rotates is arranged on the fixed shaft 4 and is connected with the second tooth gear 6, the cotton core comprises a cotton core 3 and is characterized in that a plurality of contraction rings 40 are arranged at the joint of a first shaft body 1 and a second shaft body 2 at one time, a driving assembly 60 capable of sequentially expanding the diameters of the contraction rings 40 when a first rotating shaft 9 rotates is arranged on a fixed shaft 4 and is connected with a first tooth-lacking gear 5, the diameters of the contraction rings 40 are the same as the diameter of the first shaft body 1 after being expanded, T-shaped grooves 15 are sequentially formed in the outer walls of the first shaft body 1 and the second shaft body 2, and T-shaped blocks 16 capable of being matched with the T-shaped grooves 15 are sequentially arranged on the inner wall of the cotton core 3.

The utility model discloses an embodiment of well removal subassembly 20: the moving assembly 20 comprises a first fixing plate 21 fixed on the fixing shaft 4, a first threaded cylinder 22 is rotatably arranged on the first fixing plate 21, a first threaded rod 23 is connected to the first threaded cylinder 22 in a threaded manner, a first gear 24 capable of being meshed with the second gear 6 is arranged on the outer wall of the first threaded cylinder 22, a first disc 25 is fixedly arranged on the outer wall of the first rotating shaft 9, an annular groove 26 is arranged on one side of the first disc 25, a guide block 27 is fixedly arranged at one end of the first threaded rod 23 and is arranged in the annular groove 26, when the charging roller needs to be extended out, the first gear can be driven to rotate by only rotating the first rotating shaft through rotating the second toothless gear, the first threaded cylinder can be driven to rotate after the first gear rotates, the first threaded rod can move after the first threaded cylinder rotates, so that the first rotating shaft moves, and the second shaft body can move through the first rotating shaft, and the second gear with missing teeth can drive the second shaft body to move by the width of one contraction ring every time the second gear with missing teeth rotates one circle.

The utility model discloses an embodiment of well shrink ring 40: shrink ring 40 is located the first axle body 1 and the second axle body 2 junction and is equipped with a plurality of arc 41 that can amalgamate the whole circle including the axle center along fixed axle 4 in proper order, arc 41 is hollow, adjacent two be connected with arc 42 between the arc 41 be equipped with a plurality of guide posts 43 along the circumference on the fixed axle in proper order wear to be equipped with the uide bushing on the guide post 43, uide bushing one end is fixed on arc 41, rotates on one of them guide post 43 and is equipped with second screw thread section of thick bamboo 44 fixed be equipped with the second threaded rod 47 that can be connected with second screw thread section of thick bamboo 44 on the arc 41 inner wall, second screw thread section of thick bamboo 44 is connected with drive assembly 60, the distance that the second axle body 2 moved at every turn is the width of arc 41.

The utility model discloses an embodiment of well drive assembly 60: the driving assembly 60 comprises a second fixing plate 61 fixed at one end of a fixing rod, a second rotating shaft 62 is rotatably arranged on the second fixing plate 61, a third gear 63 capable of meshing with the first gear-lacking gear 5 is fixedly arranged at one end of the second rotating shaft 62, a first bevel gear 64 is fixedly arranged at the other end of the second rotating shaft 62, a third fixing plate 65 is arranged on the fixing shaft at one side of the second fixing plate 61, a fourth rotating shaft 66 is rotatably arranged on the third fixing plate 65, a second bevel gear 67 capable of meshing with the first bevel gear 64 is fixedly arranged at one end of the fourth rotating shaft 66, fifth rotating shafts 68 are symmetrically arranged on one side of the second threaded barrel 44 on the fixing shaft 4, a first belt 69 is sleeved on the fifth rotating shafts 68, a second belt 70 is sleeved on the fifth rotating shafts 68 and the fourth rotating shafts 66, a sixth rotating shaft 71 is rotatably arranged on the fixing shaft 4 between the second belt 70 and the second threaded barrel 44, a third belt 72 is sleeved on the sixth rotating shaft 71 and the second threaded cylinder 44, a fourth gear 74 is fixedly arranged on the sixth rotating shaft 71, teeth 73 capable of driving a fourth gear 74 in turn are sequentially arranged on the outer wall of the first belt 69, when the second gear wheel is separated from the first gear wheel due to rotation, the first gear wheel without teeth can be meshed with the third gear wheel, so as to drive the second rotating shaft to rotate, the second belt can drive the fifth rotating shaft to rotate, the teeth on the first belt drive one of the fourth gears to rotate, so that the arc-shaped plate moves, when the arc-shaped plate moves, the whole contraction ring expands, the contraction ring can expand to the same diameter as the second shaft body, when the second shaft body moves, the cotton core is not long enough, the cotton cores can be replaced or the cotton cores with the length being the same as the width of the contraction ring can be added, and how many cotton cores are added depends on the width of the contraction ring moved by the second shaft body.

When in use: when the charging roller needs to be extended out, the second toothless gear can drive the first gear to rotate only by rotating the first rotating shaft, the first threaded cylinder can be driven to rotate after the first gear rotates, the first threaded rod can move after the first threaded cylinder rotates, so that the first rotating shaft can move, the second shaft body can be driven to move by the first rotating shaft, the second toothless gear can drive the second shaft body to move by the width of a contraction ring after rotating for one circle, the first toothless gear can be meshed with the third gear after the second toothless gear is separated from the first gear due to rotation, so that the second rotating shaft can be driven to rotate, the second belt can drive the fifth rotating shaft to rotate, one of the fourth gears can be driven to rotate by teeth on the first belt, so that the arc-shaped plate can move, when the arc-shaped plate moves, the whole contraction ring can be expanded, and the contraction ring can be expanded to be the same as the diameter of the second shaft body, when the second shaft body moves, the cotton cores are not long enough, the cotton cores can be replaced or the cotton cores with the length being the same as the width of the contraction rings can be added, and the number of the added cotton cores depends on the width of the contraction rings when the second shaft body moves.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be further modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements are all within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An extensible charging roller characterized in that: the cotton wool roller comprises a first shaft body (1) and a second shaft body (2) which are bilaterally symmetrical, a cotton core (3) is sleeved on the outer wall of the first shaft body (1) and the outer wall of the second shaft body (2), a fixing shaft (4) is fixedly arranged on the shaft center of the first shaft body (1), one end of the fixing shaft (4) is rotatably provided with a first tooth-lacking gear (5), one end of the first tooth-lacking gear (5) is fixedly provided with a second tooth gear (6), a square groove (7) which can penetrate through the first tooth-lacking gear (5) and the second tooth gear (6) is arranged on the shaft center of the second tooth gear (6), a square rod (8) is arranged in the square groove (7) in a penetrating manner, one end of the square rod (8) is fixedly provided with a first rotating shaft (9), one end of the second shaft body (2) is provided with a through hole (10), and the first rotating shaft (9) is rotatably arranged on the through hole (10), be equipped with removal subassembly (20) that drive second shaft body (2) removed when first pivot (9) rotate on fixed axle (4) and be connected with second gear (6) the junction of first shaft body (1) and second shaft body (2) is equipped with once a plurality of shrink rings (40), is equipped with drive assembly (60) that can make the diameter expansion of shrink ring (40) in proper order when first pivot (9) rotate on fixed axle (4) to be connected with first scarce tooth gear (5), the diameter of shrink ring (40) is the same with first shaft body (1) diameter after the diameter expansion.

2. An extensible charging roller according to claim 1, characterized in that the moving assembly (20) comprises a first fixing plate (21) fixed on the fixing shaft (4), a first threaded cylinder (22) is rotatably arranged on the first fixing plate (21), a first threaded rod (23) is connected to the first threaded cylinder (22) in a threaded manner, a first gear (24) capable of being engaged with the second gear (6) is arranged on the outer wall of the first threaded cylinder (22), a first circular disc (25) is defined on the outer wall of the first rotating shaft (9), an annular groove (26) is arranged on one side of the first circular disc (25), and a guide block (27) is fixedly arranged at one end of the first threaded rod (23) and is arranged in the annular groove (26).

3. The extensible charging roller according to claim 1, characterized in that the shrinking ring (40) comprises a plurality of arc-shaped plates (41) which are arranged at the joint of the first shaft body (1) and the second shaft body (2) along the axis of the fixed shaft (4) in sequence and can be spliced into a whole circle, the arc-shaped plates (41) are hollow, an arc-shaped strip (42) is connected between two adjacent arc-shaped plates (41), a plurality of guide posts (43) are sequentially arranged on the fixed shaft along the circumference, a guide sleeve is arranged on the guide post (43) in a penetrating way, one end of the guide sleeve is fixed on the arc-shaped plate (41), a second screw cylinder (44) is rotatably arranged on one of the guide columns (43), a second threaded rod (47) which can be connected with a second threaded cylinder (44) is fixedly arranged on the inner wall of the arc-shaped plate (41), and the second threaded cylinder (44) is connected with a driving component (60).

4. The extendable charging roller as claimed in claim 3, wherein the driving assembly (60) comprises a second fixing plate (61) fixed to one end of the fixing rod, a second rotating shaft (62) is rotatably provided on the second fixing plate (61), a third gear (63) capable of meshing with the first gear-lacking gear (5) is fixedly provided at one end of the second rotating shaft (62), a first bevel gear (64) is fixedly provided at the other end, a third fixing plate (65) is provided on the fixing shaft at one side of the second fixing plate (61), a fourth rotating shaft (66) is rotatably provided on the third fixing plate (65), a second bevel gear (67) capable of meshing with the first bevel gear (64) is fixedly provided at one end of the fourth rotating shaft (66), and fifth rotating shafts (68) are symmetrically provided on the fixing shaft (4) at one side of the second threaded cylinder (44), fifth pivot (68) are gone up the cover and are equipped with first belt (69) the cover is equipped with second belt (70) on fifth pivot (68) and fourth pivot (66) it is equipped with sixth pivot (71) to lie in to rotate on fixed axle (4) between second belt (70) and the second screw thread section of thick bamboo (44) sixth pivot (71) and second screw thread section of thick bamboo (44) go up the cover and are equipped with third belt (72) the fixed fourth gear (74) that is equipped with on sixth pivot (71) be equipped with tooth (73) that can drive in proper order and have fourth gear (74) on first belt (69) outer wall in proper order.

5. An extensible charging roller according to claim 1, characterised in that T-shaped grooves (15) are provided in sequence on the outer walls of the first shaft body (1) and the second shaft body (2), and T-shaped blocks (16) capable of cooperating with the T-shaped grooves (15) are provided in sequence on the inner wall of the cotton core (3).

6. An extensible charging roller according to claim 3, characterised in that said second shaft body (2) moves each time by the width of an arc-shaped plate (41).