CN220040970U - Adjustable rubber roller for printer - Google Patents

Abstract

The utility model is suitable for the technical field of printers, and particularly relates to an adjustable rubber roller for a printer, which comprises two supporting frames which are distributed oppositely, wherein the supporting frames are connected with sliding blocks in a sliding manner, the sliding blocks are connected with the rubber roller in a rotating manner, the sliding blocks are connected with lifting assemblies, the lifting assemblies are used for driving the sliding blocks to move up and down, two circular grooves which are distributed oppositely are arranged on the surface of the rubber roller, limiting rings are connected inside the circular grooves in a sliding manner, and the outermost ring of each limiting ring exceeds the surface of the rubber roller, and the limiting rings are connected with translation assemblies; the device drives the sliding block to move up and down through the lifting assembly, and the sliding block drives the rubber roller to move up and down, so that the height of the rubber roller is adjusted, and the height of the rubber roller is adjusted conveniently by workers; the device drives the limiting ring to move through the translation component, the limiting ring extrudes the rubber layer to fix the rubber layer, and the replacement of the rubber layer by workers is facilitated.

Description

Adjustable rubber roller for printer

Technical Field

The utility model relates to the technical field of printers, in particular to an adjustable rubber roller for a printer.

Background

The charging roller and the developing roller of the current printer are required to use rubber rollers, and the rubber rollers in the prior art are usually composed of a metal shaft and a rubber layer, and the metal shaft is usually a solid metal shaft.

At present, a metal shaft in a rubber roller is usually integrally formed, the length of the metal shaft is fixed, and the rubber roller with one specification can only be suitable for equipment with one specification.

The height of the rubber roller is adjusted by inconvenient staff when the rubber roller of the existing printer is used, and meanwhile, when the rubber layer needs to be replaced, the whole rubber roller needs to be detached, so that the time of the staff is wasted.

Disclosure of Invention

The present utility model aims to provide an adjustable rubber roller for a printer to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the adjustable rubber roller for the printer comprises two supporting frames which are distributed oppositely, wherein the supporting frames are connected with sliding blocks in a sliding manner, the rubber roller is connected between the sliding blocks in a rotating manner, the sliding blocks are connected with lifting assemblies, the lifting assemblies are used for driving the sliding blocks to move up and down, two circular grooves which are distributed oppositely are formed in the surfaces of the rubber roller, limiting rings are connected inside the circular grooves in a sliding manner, and the outermost ring of each limiting ring exceeds the surface of the rubber roller and is connected with a translation assembly.

Further: the translation assembly comprises a first threaded rod in threaded connection with the limiting ring, the first threaded rod penetrates through the limiting ring and is in threaded connection with the limiting ring, and the first threaded rod also penetrates through the side face of the rubber roller and is in rotary connection with the rubber roller.

Further: the inside of spacing ring runs through there is the gag lever post, and the both ends of gag lever post are connected with two lateral walls of recess respectively.

Further: the lifting assembly comprises a sliding groove arranged in the supporting frame, the sliding block is located in the sliding groove and is in sliding connection with the sliding groove, a second threaded rod is connected with the sliding block in a threaded mode, the bottom of the second threaded rod is connected with the bottom of the sliding groove in a rotating mode, the top of the second threaded rod penetrates through the supporting frame and is connected with the second threaded rod in a rotating mode, and one end of the second threaded rod, penetrating through the supporting frame, is connected with a driving mechanism.

Further: the driving mechanism comprises a supporting plate arranged at the top of the supporting frame, the supporting plate is rotationally connected with a rotating rod, a first gear is arranged on the rotating rod, a second gear is arranged at one end of the second threaded rod penetrating through the supporting frame, and the first gear is connected with the second gear through a chain.

Further: the top of backup pad is equipped with the spacing, the dwang runs through the spacing and rather than sliding connection, and wherein the dwang runs through the one end of spacing and is equipped with the arch.

Further: the side of slider is equipped with the stopper, be equipped with the spacing groove on the lateral wall of spout, the stopper is located spacing inslot and rather than sliding connection.

Compared with the prior art, the utility model has the beneficial effects that: the device drives the sliding block to move up and down through the lifting assembly, and the sliding block drives the rubber roller to move up and down, so that the height of the rubber roller is adjusted, and the height of the rubber roller is adjusted conveniently by workers; the device drives the limiting ring to move through the translation component, and the limiting ring extrudes the rubber layer to fix the rubber layer, so that the shaking phenomenon generated by the rubber layer is effectively prevented, the stability of the rubber layer is improved, and the replacement of the rubber layer by workers is facilitated.

Drawings

Fig. 1 is a front view of the overall structure of an adjustable rubber roll for a printer.

FIG. 2 is a schematic diagram of an adjustable rubber roll spacing assembly for a printer.

Fig. 3 is a side view of an adjustable rubber roll lift assembly for a printer.

In the figure: the device comprises a first gear, a second gear, a chain, a 3-limiting frame, a 4-first gear, a 5-rotating rod, a 6-supporting plate, a 7-second threaded rod, an 8-sliding block, a 9-rubber roller, a 10-rubber layer, a 11-groove, a 12-limiting rod, a 13-first threaded rod, a 14-sliding groove, a 15-supporting frame, a 16-limiting block and a 17-limiting groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

In this embodiment, please refer to fig. 1, an adjustable rubber roller for a printer includes two support frames 15 of relative distribution, support frames 15 all sliding connection has slider 8, rotate between slider 8 and be connected with rubber roller 9, slider 8 is connected with lift assembly, lift assembly is used for driving slider 8 up-and-down motion, rubber roller 9 surface is equipped with two circular recesses 11 of relative distribution, circular recess 11 inside sliding connection has the spacing ring, the outer lane of spacing ring exceeds rubber roller 9's surface, the spacing ring is connected with translation subassembly.

In this embodiment, when need highly adjusting rubber roller 9, drive slider 8 up-and-down motion through the lifting unit, slider 8 drives rubber roller 9 up-and-down motion, and then highly play an adjusting action to rubber roller 9, be convenient for the staff to highly adjust rubber roller 9, in addition when need change rubber layer 10 in the rubber roller 9 outside, drive the spacing ring through translation unit and remove, thereby make the spacing ring keep away from rubber layer 10, can take off rubber layer 10 from rubber roller 9 surface at this moment, then paste the surface of rubber roller 9 with rubber layer 10 that needs to be changed, and finally the rethread translation unit drives the spacing ring and removes, extrude rubber layer 10 through the spacing ring and accomplish the fixation to rubber layer 10, thereby effectually prevented rocking phenomenon that rubber layer 10 produced, the stability of rubber layer 10 is improved, be convenient for change rubber layer 10 to the staff.

In another embodiment, referring to fig. 2, the translation assembly includes a first threaded rod 13 screwed with the stop collar, the first threaded rod 13 penetrates the stop collar and is screwed with the stop collar, and the first threaded rod 13 also penetrates the side surface of the rubber roller 9 and is rotatably connected with the stop collar.

In this embodiment, when needs change rubber layer 10, rotate first threaded rod 13, drive the spacing ring through the threaded connection of first threaded rod 13 and spacing ring and remove to make the spacing ring keep away from or be close to rubber layer 10, make things convenient for the staff to the change of rubber layer 10, simple structure is convenient for the staff operation.

In another embodiment, referring to fig. 2, a limiting rod 12 is inserted through the limiting ring, and two ends of the limiting rod 12 are respectively connected with two side walls of the groove 11.

In this embodiment, the stop collar slides outside the stop collar while moving, and the stop lever 12 plays a role in stopping the stop collar, so that the stability of the stop collar during movement is effectively improved.

In another embodiment, referring to fig. 3, the lifting assembly includes a chute 14 disposed inside a supporting frame 15, the sliding block 8 is disposed inside the chute 14 and slidably connected with the same, wherein the sliding block 8 is in threaded connection with a second threaded rod 7, the bottom of the second threaded rod 7 is rotatably connected with the bottom of the chute 14, the top of the second threaded rod 7 penetrates through the supporting frame 15 and is rotatably connected with the same, and one end of the second threaded rod 7 penetrating through the supporting frame 15 is connected with a driving mechanism.

In this embodiment, when the height of the rubber roller 9 is adjusted, the driving mechanism drives the second threaded rod 7 to rotate, and the second threaded rod 7 drives the sliding block 8 to move up and down through meshing with the sliding block 8, so that the height of the rubber roller 9 is adjusted, and the height of the rubber roller 9 is adjusted by a worker conveniently.

In another embodiment, referring to fig. 1, the driving mechanism includes a supporting plate 6 disposed at the top of a supporting frame 15, the supporting plate 6 is rotatably connected with a rotating rod 5, a first gear 4 is disposed on the rotating rod 5, a second gear 1 is disposed at one end of the second threaded rod 7 penetrating through the supporting frame 15, and the first gear 4 is connected with the second gear 1 through a chain 2.

In this embodiment, when adjusting the height of rubber roller 9, rotate dwang 5, dwang 5 drives second gear 1 through first gear 4 and chain 2 and rotates, drives second threaded rod 7 through second gear 1 and rotates, and then has played an effect of adjusting the height of rubber roller 9, simple structure, the operation of being convenient for.

In another embodiment, referring to fig. 1, a limiting frame 3 is disposed at the top of the supporting plate 6, and the rotating rod 5 penetrates through the limiting frame 3 and is slidably connected with the limiting frame 3, where a protrusion is disposed at one end of the rotating rod 5 penetrating through the limiting frame 3.

In this embodiment, a limiting effect is provided to the rotation lever 5 by the limiting frame 3, so that the stability of the rotation lever 5 during rotation is improved, wherein the protrusion is provided to facilitate the rotation of the rotation lever 5 by the worker.

In another embodiment, referring to fig. 3, a limiting block 16 is disposed on a side surface of the slider 8, a limiting groove 17 is disposed on a side wall of the sliding groove 14, and the limiting block 16 is disposed inside the limiting groove 17 and is slidably connected with the limiting groove.

In this embodiment, the sliding block 8 slides while driving the limiting block 16 to slide in the limiting groove 17, and the limiting groove 17 plays a limiting role on the sliding block 8 through the limiting block 16, so that the stability of the sliding block 8 during sliding is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. An adjustable rubber roller for a printer comprises two supporting frames which are distributed oppositely; the device is characterized in that the supporting frames are all connected with sliding blocks in a sliding manner, rubber rollers are rotationally connected between the sliding blocks, the sliding blocks are connected with lifting assemblies, the lifting assemblies are used for driving the sliding blocks to move up and down, two circular grooves which are distributed oppositely are formed in the surfaces of the rubber rollers, limiting rings are connected inside the circular grooves in a sliding manner, and the outermost ring of each limiting ring exceeds the surfaces of the rubber rollers and is connected with translation assemblies.

2. The adjustable rubber roll for a printer of claim 1, wherein the translation assembly comprises a first threaded rod threaded with the stop collar, the first threaded rod extending through the stop collar and threaded therewith, the first threaded rod further extending through a side of the rubber roll and rotatably coupled therewith.

3. The adjustable rubber roll for a printer according to claim 2, wherein the limit ring is internally penetrated with a limit rod, and both ends of the limit rod are respectively connected with both side walls of the groove.

4. The adjustable rubber roll for a printer according to claim 1, wherein the lifting assembly comprises a chute disposed inside the support frame, the slider is disposed inside the chute and slidably connected thereto, wherein the slider is threadably connected to a second threaded rod, the bottom of the second threaded rod is rotatably connected to the bottom of the chute, the top of the second threaded rod extends through the support frame and is rotatably connected thereto, and wherein the second threaded rod extends through one end of the support frame to which the drive mechanism is connected.

5. The adjustable rubber roll for a printer according to claim 4, wherein the driving mechanism comprises a supporting plate arranged on the top of the supporting frame, the supporting plate is rotatably connected with a rotating rod, a first gear is arranged on the rotating rod, a second gear is arranged at one end of the second threaded rod penetrating through the supporting frame, and the first gear is connected with the second gear through a chain.

6. The adjustable rubber roll for a printer according to claim 5, wherein the top of the support plate is provided with a limit stop, and the rotating rod penetrates through the limit stop and is slidably connected with the limit stop, and wherein a protrusion is provided at one end of the rotating rod penetrating through the limit stop.

7. The adjustable rubber roll for a printer according to any one of claims 4 to 6, wherein a limit block is arranged on the side surface of the sliding block, a limit groove is arranged on the side wall of the sliding groove, and the limit block is positioned in the limit groove and is in sliding connection with the limit groove.