CN214474417U

CN214474417U - Device for connecting photosensitive drum and driving gear

Info

Publication number: CN214474417U
Application number: CN202023055987.7U
Authority: CN
Inventors: 陈文菊
Original assignee: De Yuan Images Science And Technology Ltd Of Zhongshan City
Current assignee: De Yuan Images Science And Technology Ltd Of Zhongshan City
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-22
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a device for connecting a photosensitive drum and a driving gear, which comprises a first square groove arranged at one end of a rotating shaft of an electric roller, the photosensitive drum and a magnetic roller, wherein one side of the first square groove is provided with a first gear, a first through groove which can run through the outer wall of the square rod is arranged above an extrusion block, the first square groove is internally provided with a slot which can be communicated with the first through groove, the first through groove is provided with an insert block which extends into the slot after the extrusion block is extruded by a conical block, the utility model does not need to connect the rotating shaft of the driving gear with the electric roller, the photosensitive drum and the magnetic roller through screws, when the driving gear needs to be installed, the insert block can be inserted into the slot only by inserting the square rod on the driving gear into the first square groove and then rotating a rotating wheel, thereby connecting the driving gear with the rotating shaft of the electric roller, the photosensitive drum and the magnetic roller, so that the selenium drum can not work normally because of the screws, workers can also be convenient to install.

Description

Device for connecting photosensitive drum and driving gear

Technical Field

The utility model relates to a selenium drum equipment field especially relates to a connect sensitization drum and drive gear's device.

Background

In the process of producing and assembling the selenium drum, a transmission gear is required to be installed at one end of a rotating shaft of the electric roller, the photosensitive drum and the magnetic roller, so that the electric roller, the photosensitive drum and the magnetic roller synchronously rotate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device for connecting photosensitive drum and drive gear.

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

a device for connecting a photosensitive drum and a driving gear comprises a first square groove arranged at one end of a rotating shaft of an electric roller, the photosensitive drum and a magnetic roller, wherein a first gear is arranged at one side of the first square groove, a square rod capable of being inserted into the first square groove is fixedly arranged on the shaft center of the first gear, a second square groove is arranged on the shaft center of the first gear, a circular plate is fixedly arranged at one end of the inner wall of the second square groove, a plurality of extrusion blocks are sequentially arranged along the circumference at one side of the circular plate, a conical block capable of extruding and displacing the extrusion blocks is arranged on the shaft center of the circular plate, a driving mechanism capable of enabling the conical block to move along the shaft center of the circular plate is arranged in the second square groove, a first through groove capable of penetrating through the outer wall of the square rod is arranged above the extrusion blocks, an inserting groove capable of being communicated with the first through groove is arranged in the first through groove, and an inserting block capable of extending into the inserting groove after the extrusion blocks are extruded by the conical block is arranged in the first through groove, the utility model discloses need not install when drive gear need be installed through the pivot of screwed connection drive gear with electric roller, sensitization drum, magnetism roller, only need insert first square inslot to square pole on the drive gear, rotate the runner again, just can make the inserted block inject in the slot to connect the pivot of drive gear and electric roller, sensitization drum, magnetism roller, just so can not make the unable normal work of selenium drum because the screw drops at the selenium drum during operation, the workman also can make things convenient for a lot when the installation.

Furthermore, the driving mechanism comprises a screw rod arranged at one end of the axis of the conical block, a T-shaped groove is arranged on the outer wall of the screw rod, a T-shaped plate which can be matched with the T-shaped groove is arranged in the second square groove, a fixed plate is arranged at one side of the T-shaped plate, a threaded sleeve which can be in threaded connection with the screw rod is transversely arranged on the fixed plate in a rotating manner, a ring is sleeved at one end of the threaded sleeve, an annular groove is arranged at one side of the ring, a sleeve which can extend out of the second square groove is rotatably arranged at one side of the annular groove, a rotating wheel is fixedly arranged at one end of the sleeve which extends out of the second square groove, a plurality of first teeth are sequentially arranged at one end of the screw rod, which is close to the rotating wheel, along the circumference, a plurality of second teeth which can be meshed with the first teeth are sequentially arranged at one end of the sleeve, which is close to the rotating wheel, along the circumference, a locking mechanism which can lock the threaded sleeve is arranged between the ring and the threaded sleeve, the screw rod can move along the T-shaped plate when the threaded sleeve rotates, so that the conical block can prop open the extrusion block.

Preferably, a plurality of anti-skidding blocks are sequentially arranged on the outer wall of the rotating wheel along the circumference.

Further, locking mechanical system sets up the first guide way with the ring homonymy on the square inslot wall of second including the symmetry fixed be equipped with on the ring outer wall with first guide way complex guide block be equipped with first reset spring between first guide way and the guide block be equipped with the third tooth that can mesh with first tooth along the circumference in proper order on the ring inner wall, after third tooth and first tooth meshing, just can further lock the thread bush, make the sleeve can not the reversal, make slot and inserted block can not separate because of the thread bush reversal.

Preferably, the inner wall of the extrusion block is a conical surface, the conical surface is attached to the surface of the conical block, the extrusion block is made of a plastic material and has plasticity, and the extrusion block can reset automatically after the conical block resets.

Preferably, the bottom of the insert block is fixedly provided with a transverse plate, four corners of the transverse plate are provided with guide holes, a guide post capable of penetrating into the guide holes is arranged on the inner wall of the second square groove above the guide holes, and a second reset spring is sleeved on the guide post.

To sum up, the utility model discloses for its beneficial effect of prior art is: the utility model discloses need not install when drive gear need be installed through the pivot of screwed connection drive gear with electric roller, sensitization drum, magnetism roller, only need insert first square inslot to square pole on the drive gear, rotate the runner again, just can make the inserted block inject in the slot to connect the pivot of drive gear and electric roller, sensitization drum, magnetism roller, just so can not make the unable normal work of selenium drum because the screw drops at the selenium drum during operation, the workman also can make things convenient for a lot when the installation.

Drawings

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

Fig. 2 is an exploded view of the utility model.

Fig. 3 is a sectional view of the present invention.

Fig. 4 is a sectional view of a second square groove of the present invention.

Fig. 5 is an enlarged view of a portion a-a in fig. 2 according to the present invention.

Fig. 6 is an enlarged view of the utility model at B-B in fig. 3.

Description of reference numerals: 1. a first square groove; 2. a first gear; 3. a square rod; 4. a second square groove; 5. a circular plate; 6. extruding the block; 7. a conical block; 8. a first through groove; 9. a slot; 10. inserting a block; 20. a drive mechanism; 21. a screw; 22. a T-shaped slot; 23. a T-shaped plate; 24. a fixing plate; 25. a threaded sleeve; 26. a circular ring; 27. an annular groove; 28. a sleeve; 29. a rotating wheel; 30. a first tooth; 31. a second tooth; 40. a locking mechanism; 61. anti-skid blocks; 41. a first guide groove; 42. a guide block; 43. a first return spring; 44. a third tooth; 62. a conical surface; 81. horizontal edition; 82. a guide hole; 83. a guide post; 84. a second return spring.

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 6, the device for connecting a photosensitive drum and a driving gear comprises a first square groove 1 arranged at one end of a rotating shaft of an electric roller, a photosensitive drum and a magnetic roller, a first gear 2 is arranged at one side of the first square groove 1, a square rod 3 capable of being inserted into the first square groove 1 is fixedly arranged on the axis of the first gear 2, a second square groove 4 is arranged on the axis of the first gear 2, a circular plate 5 is fixedly arranged at one end of the inner wall of the second square groove 4, a plurality of extrusion blocks 6 are sequentially arranged along the circumference at one side of the circular plate 5, a conical block 7 capable of extruding and displacing the extrusion blocks 6 is arranged on the axis of the circular plate 5, a driving mechanism 20 capable of moving the conical block 7 along the axis of the circular plate 5 is arranged in the second square groove 4, a first through groove 8 capable of penetrating through the outer wall of the square rod 3 is arranged above the extrusion blocks 6, a slot 9 capable of being communicated with the first through groove 8 is arranged in the first square groove 1, the first through groove 8 is provided with an insert block 10 which extends into an insert groove 9 after the extrusion block 6 is extruded by the conical block 7, the inner wall of the extrusion block 6 is a conical surface 62, the conical surface 62 is attached to the surface of the conical block 7, when a rotating shaft of an electricity roller, a photosensitive drum and a magnetic roller is required to be assembled and connected with a transmission gear, a square rod is inserted into the second square groove, the insert groove is communicated with the first through groove, the initial position of the insert block cannot protrude out of the first through groove, and the initial position of the conical block is not inserted between the extrusion blocks.

The utility model discloses well actuating mechanism 20's an embodiment: the driving mechanism 20 comprises a screw 21 arranged at one end of the axis of the conical block 7, a T-shaped groove 22 arranged on the outer wall of the screw 21, a T-shaped plate 23 which can be matched with the T-shaped groove 22 and is arranged in the second square groove 4, a fixing plate 24 is arranged at one side of the T-shaped plate 23, a thread sleeve 25 which can be in threaded connection with the screw 21 is transversely arranged on the fixing plate 24 in a rotating manner, a circular ring 26 is sleeved at one end of the thread sleeve 25, an annular groove 27 is arranged at one side of the circular ring 26, a sleeve 28 which can extend out of the second square groove 4 is arranged at one side of the annular groove 27 in a rotating manner, a rotating wheel 29 is fixedly arranged at one end of the sleeve 28 which extends out of the second square groove 4, a plurality of first teeth 30 are sequentially arranged at one end of the screw 21 which is close to the rotating wheel 29 along the circumference, and second teeth 31 which can be meshed with the first teeth 30 are sequentially arranged at one end of the inner wall of the sleeve 28 which is close to the rotating wheel 29 along the circumference, a locking mechanism 40 capable of locking the threaded sleeve 25 is arranged between the circular ring 26 and the threaded sleeve 25, a plurality of anti-slip blocks 61 are sequentially arranged on the outer wall of the rotating wheel 29 along the circumference, after the square rod is inserted into the second square groove, the rotating wheel is firstly pressed to move towards the direction of the second square groove, so that the first teeth are meshed with the second gear, the threaded sleeve rotates when the rotating wheel is rotated, the screw rod moves along the T-shaped plate, the conical block is inserted between the extrusion blocks, and meanwhile, the extrusion blocks are spread open, so that the insertion blocks move.

The utility model discloses well locking mechanical system 40's an embodiment: the locking mechanism 40 comprises a first guide groove 41 symmetrically arranged on the inner wall of the second square groove 4 and on the same side with the circular ring 26, a guide block 42 matched with the first guide groove 41 is fixedly arranged on the outer wall of the circular ring 26, a first return spring 43 is arranged between the first guide groove 41 and the guide block 42, a third tooth 44 capable of being meshed with the first tooth 30 is sequentially arranged on the inner wall of the circular ring 26 along the circumference, in order to prevent the thread bush from reversing when the selenium drum works and separate the slot from the insert block, although the thread bush can still reverse when the selenium drum works when the initial thread bush and the screw rod have certain self-locking capacity, in order to further lock the thread bush, the first tooth and the third tooth can be kept meshed in the initial rotation state, so that the thread bush cannot rotate because the circular ring cannot rotate, and after a rotating wheel is pressed, the first tooth and the third tooth can separate, the threaded sleeve can be rotated.

The utility model discloses an embodiment of well inserted block 10: the fixed horizontal version 81 that is equipped with in inserted block 10 bottom the four corners department of horizontal version 81 is equipped with the guiding hole 82 lie in the guiding hole 82 top on the 4 inner walls of second square groove and be equipped with the guide post 83 that can wear into in the guiding hole 82 the cover is equipped with second reset spring 84 on the guide post 83, after the extrusion piece is strutted, the inserted block will be followed the guide post and removed to in the intubate, after the inserted block is injected in the inserted block, drive gear will be fixed in the pivot of electricity roller, sensitization drum, magnetism roller.

When in use: when the rotating shaft of the electricity roller, the photosensitive drum and the magnetic roller needs to be assembled and is connected with the transmission gear, the square rod is inserted into the second square groove, the inserting groove is communicated with the first groove, the initial position of the inserting block does not protrude out of the first groove, the initial position of the conical block is not inserted between the extrusion blocks, after the square rod is inserted into the second square groove, the rotating wheel is firstly pressed to enable the rotating wheel to move towards the second square groove, so that the first teeth are meshed with the second gear, the threaded sleeve rotates when the rotating wheel is rotated, the screw rod moves along the T-shaped plate, so that the conical block is inserted between the extrusion blocks, the extrusion blocks are simultaneously spread to enable the inserting block to move, in order to prevent the threaded sleeve from reversely rotating when the selenium drum works, so that the inserting groove is separated from the inserting block, although the initial threaded sleeve and the screw rod have certain self-locking capacity, the threaded sleeve still has the possibility of reversely rotating when the selenium drum works, in order to further lock the threaded sleeve, the first tooth and the third tooth are kept meshed in an initial rotating state, so that the threaded sleeve cannot rotate because the circular ring cannot rotate, the first tooth and the third tooth are separated after the rotating wheel is pressed, the threaded sleeve can rotate, the insert block can move along the guide post after the extrusion block is spread, the insert block is inserted into the insert slot, and the transmission gear is fixed on the rotating shaft of the electric roller, the photosensitive drum and the magnetic roller after the insert block is inserted into the insert block.

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 apparatus for connecting a photosensitive drum and a drive gear, characterized in that: comprises a first square groove (1) arranged at one end of a rotating shaft of an electric roller, a photosensitive drum and a magnetic roller, a first gear (2) is arranged at one side of the first square groove (1), a square rod (3) which can be inserted into the first square groove (1) is fixedly arranged on the shaft center of the first gear (2), a second square groove (4) is arranged on the shaft center of the first gear (2), a circular plate (5) is fixedly arranged at one end of the inner wall of the second square groove (4), a plurality of extrusion blocks (6) are sequentially arranged at one side of the circular plate (5) along the circumference, a conical block (7) which can extrude and displace the extrusion blocks (6) is arranged on the shaft center of the circular plate (5), a driving mechanism (20) which can make the conical block (7) move along the shaft center of the circular plate (5) is arranged in the second square groove (4), a first through groove (8) which can run through the outer wall of the square rod (3) is arranged above the extrusion blocks (6), the first square groove (1) is internally provided with a slot (9) which can be communicated with a first through groove (8), and the first through groove (8) is provided with an insert block (10) which extends into the slot (9) after the extrusion block (6) is extruded by the conical block (7).

2. The apparatus for connecting a photosensitive drum and a driving gear according to claim 1, wherein the driving mechanism (20) comprises a screw (21) disposed at one end of the axis of the tapered block (7), a T-shaped groove (22) formed in the outer wall of the screw (21), a T-shaped plate (23) capable of being engaged with the T-shaped groove (22) is disposed in the second square groove (4), a fixing plate (24) is disposed at one side of the T-shaped plate (23), a threaded sleeve (25) capable of being threadedly engaged with the screw (21) is transversely rotatably disposed on the fixing plate (24), a circular ring (26) is sleeved on one end of the threaded sleeve (25), an annular groove (27) is disposed at one side of the circular ring (26), a sleeve (28) capable of extending out of the second square groove (4) is rotatably disposed at one side of the annular groove (27), a rotating wheel (29) is fixedly disposed at one end of the sleeve (28) extending out of the second square groove (4), the screw rod (21) is close to runner (29) one end and is equipped with a plurality of first tooth (30) along the circumference in proper order be close to runner (29) one end on sleeve (28) inner wall and be equipped with second tooth (31) that can mesh with first tooth (30) along the circumference in proper order be equipped with locking mechanical system (40) that can lock thread bush (25) between ring (26) and thread bush (25).

3. A device for coupling a photosensitive drum and a driving gear according to claim 2, wherein a plurality of anti-slip blocks (61) are provided in sequence along a circumference on an outer wall of said rotary wheel (29).

4. A device for connecting a photosensitive drum and a driving gear according to claim 2, wherein the locking mechanism (40) comprises first guide grooves (41) symmetrically arranged on the inner wall of the second square groove (4) at the same side as the circular ring (26), guide blocks (42) matched with the first guide grooves (41) are fixedly arranged on the outer wall of the circular ring (26), a first return spring (43) is arranged between the first guide grooves (41) and the guide blocks (42), and third teeth (44) capable of being meshed with the first teeth (30) are sequentially arranged on the inner wall of the circular ring (26) along the circumference.

5. An apparatus for coupling a photosensitive drum and a driving gear according to claim 1, wherein the inner wall of said pressing block (6) is a tapered surface (62), and said tapered surface (62) is fitted to the surface of said tapered block (7).

6. The device for connecting the photosensitive drum and the driving gear according to claim 1, wherein a transverse plate (81) is fixedly arranged at the bottom of the insert block (10), guide holes (82) are arranged at four corners of the transverse plate (81), a guide post (83) capable of penetrating into the guide holes (82) is arranged on the inner wall of the second square groove (4) above the guide holes (82), and a second return spring (84) is sleeved on the guide post (83).