CN215679045U

CN215679045U - Novel developing roller structure of laser printer

Info

Publication number: CN215679045U
Application number: CN202121226031.0U
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: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-28
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a novel developing roller structure of a laser printer, which comprises a metal shaft center and a rubber layer sleeved on the metal shaft center, wherein the metal shaft center comprises a main shaft body and connecting shafts arranged at two ends of the main shaft body, the inner end of each connecting shaft is provided with a groove, a connecting piece is movably and telescopically arranged in the groove, two ends of the main shaft body are respectively provided with a first rectangular block, the inner end of each connecting piece is provided with a rectangular through groove capable of being matched with the first rectangular block, the connecting piece is also provided with a fixing mechanism capable of fixing the connecting piece on the connecting shafts, the metal shaft center is divided into the main shaft body and two connecting shafts, when the novel developing roller structure is installed, the two connecting shafts are fixed in a selenium drum, the rubber layer is installed on the main shaft body, when the rubber layer needs to be disassembled and cleaned, the fixing mechanism is unlocked, the main shaft body can be separated from the main shaft connecting shafts, and then the main shaft body can be taken out, the cleaning machine is extremely convenient, and the cleaning efficiency is improved.

Description

Novel developing roller structure of laser printer

Technical Field

The utility model relates to the technical field of printer developing rollers, in particular to a novel developing roller structure of a laser printer.

Background

The developing roller in the laser printer is used for triboelectrically charging the carbon powder and sending the carbon powder to the developing area. The surface of the developing roller is required to be clean, dirt and scratch cannot exist, meanwhile, the developing roller cannot be affected with damp, and the developing roller needs to be cleaned frequently. The existing developing roller is designed more traditionally, the developing roller is mounted in the toner cartridge and is detached very trouble, and the developing roller needs to be detached from the toner cartridge integrally. The cleaning of the developing roller to mount and dismount the developing roller often causes the mounting progress of the developing roller to be reduced, thereby affecting the printing effect of the laser printer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel developing roller structure of a laser printer to solve the problems of the background technology.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a novel laser printer developer roll structure, locates the rubber layer in the metal axle center including metal axle center and cover, the metal axle center is including the main shaft body with set up in the connecting axle at main shaft body both ends the inner of connecting axle is equipped with the recess internalization is flexible has the connecting piece the both ends of the main shaft body all are equipped with first rectangular block the connecting piece inner be equipped with can with first rectangular block complex rectangle leads to the groove still be equipped with on the connecting piece can with the connecting piece is fixed in the epaxial fixed establishment of connecting.

Further, the connecting piece appearance is cylindrical connecting piece one end outside is equipped with first spacing ring, the recess is circular recess outer end inboard is equipped with the spacing ring of second, first spacing ring activity sets up in the recess and is restricted by the spacing ring of second and moves toward the outside.

Furthermore, a second rectangular block is arranged at the bottom of the groove and movably inserted into the rectangular through groove.

Further, fixed establishment is including setting up in the external screw thread of connecting piece outer wall the connecting piece overcoat is equipped with the ring cover inboard be equipped with can with external screw thread complex internal thread.

Furthermore, a tension spring is connected between the connecting piece and the bottom of the groove.

Further, the outer end faces of the first rectangular block and the second rectangular block are abutted against each other.

In conclusion, the utility model has the beneficial effects that: the metal shaft center is split into the main shaft body and the two connecting shafts, the two connecting shafts are fixed in the toner cartridge during installation, the rubber layer is installed on the main shaft body, when the rubber layer needs to be disassembled and cleaned, the fixing mechanism is unlocked, the main shaft body and the connecting shafts can be separated, and then the main shaft body can be taken out, so that the cleaning device is extremely convenient and the cleaning efficiency is improved.

Drawings

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

FIG. 2 is a schematic half-section view of the present invention.

Fig. 3 is a schematic view of the securing mechanism of the present invention when unlocked.

FIG. 4 is a schematic view of the locking mechanism of the present invention.

Description of reference numerals: 1. a metal axis; 2. a rubber layer; 3. a main shaft body; 4. a connecting shaft; 5. a groove; 6. a connecting member; 7. a first rectangular block; 8. a rectangular through groove; 21. a first limit ring; 22. a second limit ring; 31. a second rectangular block; 41. an external thread; 42. a circular ring sleeve; 43. an internal thread; 51. a tension spring.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. 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 present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations 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 devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended 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 utility model is further described in the following figures and detailed description: as shown in fig. 1 to 4, a novel developing roller structure of a laser printer comprises a metal shaft center 1 and a rubber layer 2 sleeved on the metal shaft center 1, wherein the metal shaft center 1 comprises a main shaft body 3 and connecting shafts 4 arranged at two ends of the main shaft body 3, a groove 5 is arranged at the inner end of the connecting shaft 4, a connecting member 6 is movably and telescopically arranged in the groove 5, first rectangular blocks 7 are respectively arranged at two ends of the main shaft body 3, a rectangular through groove 8 capable of being matched with the first rectangular blocks 7 is arranged at the inner end of the connecting member 6, a fixing mechanism capable of fixing the connecting member 6 on the connecting shaft 4 is further arranged on the connecting member 6, the metal shaft center 1 is divided into the main shaft body 3 and the two connecting shafts 4, when the novel developing roller structure is installed, the two connecting shafts 4 are fixed in a toner cartridge, the rubber layer 2 is installed on the main shaft body 3, when the rubber layer 2 needs to be detached and cleaned, the fixing mechanism is unlocked, so that the main shaft body 3 can be separated from the connecting shaft 4, and then the main shaft body 3 can be taken out, the cleaning machine is extremely convenient, and the cleaning efficiency is improved.

Referring to fig. 2, the connecting piece 6 appearance is cylindrical 6 the 6 one end outside of connecting piece is equipped with first spacing ring 21, recess 5 is circular recess 5 outer end inboard is equipped with the spacing ring 22 of second, first spacing ring 21 activity sets up in recess 5 and is restricted by the spacing ring 22 of second and toward outer the removal, can prevent that connecting piece 6 from accidentally falling out outside recess 5, improves stability.

In the utility model, the bottom of the groove 5 is provided with a second rectangular block 31, the second rectangular block 31 is movably inserted into the rectangular through groove 8, and the outer end faces of the first rectangular block 7 and the second rectangular block 31 are mutually abutted.

Referring to fig. 2-4, the fixing mechanism includes an external thread 41 disposed on the outer wall of the connecting member 6, a circular sleeve 42 is disposed around the connecting member 6, an internal thread 43 capable of being matched with the external thread 41 is disposed on the inner side of the circular sleeve 42, a tension spring 51 is connected between the connecting member 6 and the bottom of the groove 5, when the connecting member is installed, referring to fig. 3, the connecting member 6 moves inward by rotating the circular sleeve 42, the spindle body 3 can be placed between the two connecting shafts 4, the first rectangular block 7 is abutted against the outer end face of the second rectangular block 31, and then the connecting member 6 moves outward by rotating the circular sleeve 42, and the first rectangular block 7 is inserted into the rectangular through groove 8 of the connecting member 6, so that the fixing is achieved, the structure is simple, and the installation is convenient.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel laser printer developing roller structure, locates rubber layer (2) on metal axle center (1) including metal axle center (1) and cover, its characterized in that: metal axle center (1) including the main shaft body (3) with set up in connecting axle (4) at main shaft body (3) both ends the inner of connecting axle (4) is equipped with recess (5) internalization is flexible to have connecting piece (6) the both ends of the main shaft body (3) all are equipped with first rectangular block (7) connecting piece (6) the inner be equipped with can with first rectangular block (7) complex rectangle leads to groove (8) still be equipped with on connecting piece (6) can with connecting piece (6) are fixed in the fixed establishment on connecting axle (4).

2. The novel developing roller structure of the laser printer according to claim 1, characterized in that: connecting piece (6) appearance is cylindrical connecting piece (6) one end outside is equipped with first spacing ring (21), recess (5) are circular recess (5) outer end inboard is equipped with second spacing ring (22), first spacing ring (21) activity sets up in recess (5) and receives the restriction of second spacing ring (22) to move outward.

3. The novel developing roller structure of the laser printer according to claim 2, characterized in that: and a second rectangular block (31) is arranged at the bottom of the groove (5), and the second rectangular block (31) is movably inserted into the rectangular through groove (8).

4. The novel developing roller structure of the laser printer according to claim 3, characterized in that: the fixing mechanism comprises an external thread (41) arranged on the outer wall of the connecting piece (6), a circular ring sleeve (42) is sleeved outside the connecting piece (6), and an internal thread (43) capable of being matched with the external thread (41) is arranged on the inner side of the circular ring sleeve (42).

5. The novel developing roller structure of laser printer according to any one of claims 1-4, characterized in that: a tension spring (51) is connected between the connecting piece (6) and the bottom of the groove (5).

6. The novel developing roller structure of the laser printer according to claim 3, characterized in that: the outer end faces of the first rectangular block (7) and the second rectangular block (31) are abutted against each other.