CN219314084U

CN219314084U - Printer paper rubbing wheel convenient to detach and replace

Info

Publication number: CN219314084U
Application number: CN202223603693.2U
Authority: CN
Inventors: 莫文贤; 陈晓
Original assignee: Zhejiang Besda Office Equipment Co ltd
Current assignee: Zhejiang Besda Office Equipment Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-07
Anticipated expiration: 2032-12-31

Abstract

The paper rubbing wheel comprises a paper wheel, a shaft body for mounting the paper wheel and a transmission shaft connected with one end of the shaft body, wherein the paper wheel is sleeved on the shaft body, the shaft body comprises a mounting shaft for mounting the paper wheel and a shaft end part connected with the other end of the mounting shaft, at least two strip-shaped joggle protrusions are arranged on the shaft end part, and a plurality of joggle holes corresponding to the joggle protrusions are formed in the end surface of the other end of the mounting shaft; the mounting shaft and the shaft end are connected through the mutual matching of the joggle protrusion and the joggle hole; the length of the joggle protrusion is at least 1/3 of the length of the mounting shaft. In this application, the area of contact of joggle arch and joggle hole is big, is difficult to produce deformation in rotatory in-process, and life is longer.

Description

Printer paper rubbing wheel convenient to detach and replace

Technical Field

The utility model relates to printer equipment, in particular to a printer paper rubbing wheel convenient to detach and replace.

Background

The printer is a device commonly used in the current office, and mainly comprises a paper feeding part, a printing part, a paper discharging part and the like, wherein the paper feeding part is the first step of the printer work, and the paper rubbing wheel and the paging part are used for cooperatively rubbing and feeding the stacked printing paper into the printer to finish the subsequent printing work.

The outer part of the paper rubbing wheel is generally made of rubber materials, the paper rubbing wheel is worn after long-time use, paper feeding operation of the printer is affected, the paper rubbing wheel needs to be replaced at the moment, but the existing paper rubbing wheel is inconvenient to replace in a design mode, and the paper rubbing wheel is extremely inconvenient to replace.

The utility model discloses a printer paper rubbing wheel convenient to detach and replace, which comprises a paper wheel body, a pressing block, a clamping mechanism and a dismounting mechanism, wherein one side of the paper wheel body is provided with a first connecting shaft, the other side of the first connecting shaft is connected with a main connecting shaft, one side of the main connecting shaft is provided with a supporting shaft, the outer side of the supporting shaft is provided with a gear, the other side of the first connecting shaft is connected with a limiting ring block, the other side of the paper wheel body is provided with a second connecting shaft, and the top end and the bottom end of the second connecting shaft are provided with pressing blocks. In the technical scheme of the patent, at pivoted in-process, first connecting axle and second connecting axle make two connecting axles rotate simultaneously through fixed block, connecting rod and fixed slot's interact, and the atress makes the junction take place deformation easily for a long time for the dismantlement structure can not normal use.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the printer paper rubbing wheel convenient to detach and replace. The structure arranged in the paper rubbing wheel enables the paper rubbing wheel to be more convenient in disassembly, and the phenomenon that the paper rubbing wheel cannot be disassembled due to the fact that the locking structure is blocked can be avoided.

The technical scheme of the utility model is as follows:

the paper rubbing wheel comprises a paper wheel, a shaft body for mounting the paper wheel and a transmission shaft connected with one end of the shaft body, wherein the paper wheel is sleeved on the shaft body, the shaft body comprises a mounting shaft for mounting the paper wheel and a shaft end part connected with the other end of the mounting shaft, at least two strip-shaped joggle protrusions are arranged on the shaft end part, and a plurality of joggle holes corresponding to the joggle protrusions are formed in the end surface of the other end of the mounting shaft; the mounting shaft and the shaft end are connected through the mutual matching of the joggle protrusion and the joggle hole; the length of the joggle protrusion is at least 1/3 of the length of the mounting shaft.

In the prior art, make first connecting axle and second connecting axle link to each other through the cooperation of fixed slot and fixed block, this structure is at pivoted in-process, and first connecting axle and second connecting axle make two connecting axles rotate simultaneously through fixed block, connecting rod and fixed slot's interact, and the atress takes place deformation for a long time easily makes the first spout under the slide bar of connecting rod tip for the dismantlement structure can not normal use.

According to the technical scheme, the strip-shaped joggle joint protrusions arranged on the end parts of the shafts are matched with the joggle joint holes arranged on the installation shafts to realize connection of the installation shafts and the end parts of the shafts, after the functions of the paper rubbing wheels are out of order, the whole paper rubbing wheel can be taken down, then the joggle joint protrusions on the end parts of the shafts are pulled out of the joggle joint holes, then the paper wheel sleeved on the installation shafts is taken down, a new paper wheel is replaced, and finally the paper rubbing wheel is installed, so that waste caused by replacement of the whole paper rubbing wheel is avoided; simultaneously at this technical scheme, thereby at least two protruding inserts of joggle realize the connection of both, stable in structure, simultaneously the protruding area of contact of joggle and joggle hole is big, is difficult to produce deformation in rotatory in-process, and life is longer.

As the preferable of the technical scheme, the transmission shaft comprises a transmission gear shaft connected with one end of the shaft body and a transmission gear arranged on the transmission gear shaft.

As the optimization of the technical scheme, the tenon joint blocks are arranged on the end faces, which are contacted with the shaft body, of the transmission gear shaft, and tenon joint grooves matched with the tenon joint blocks are arranged on the end faces, which are contacted with the transmission gear shaft, of the installation shaft.

As the optimization of the technical scheme, one end of the installation shaft, which is close to the transmission shaft, is provided with a first limiting protrusion for limiting the position of the paper wheel.

As a preferable aspect of the present application, the shaft end portion is provided with a second limiting protrusion.

As the preferable choice of the technical proposal, the width of the joggle joint protrusion is 3-5 mm.

As an preference of the technical scheme, the root of the joggle protrusion is provided with an elastic clamping protrusion, and the clamping protrusion is provided with an inlet part and an outlet part; the inner wall of the joggle hole is provided with a clamping groove which is matched with the clamping protrusion.

As a preferable mode of the technical scheme, the shaft end part is provided with anti-skid embossing.

Preferably, the end of the joggle protrusion is provided with an arc-shaped guiding surface.

In summary, the application has the following beneficial effects:

1. the connection structure of the mounting shaft and the shaft end part is stable through the matching of the joggle holes and the joggle bulges, and the operation is convenient;

2. the clamping protrusion is arranged on the joggle protrusion and can be matched with the clamping groove arranged in the joggle hole, so that the matching stability of the joggle hole and the joggle protrusion is improved;

3. through set up anti-skidding knurling on the axle tip, make more make things convenient for the staff to pinch the axle tip when dismantling, can not skid, improved the detachability.

Drawings

FIG. 1 is a schematic view of a paper rubbing wheel of a printer according to embodiment 1, which is easy to detach and replace;

FIG. 2 is an enlarged view of FIG. 1 a;

FIG. 3 is a schematic view of an end portion of a paper rubbing wheel of a printer according to embodiment 1, which is easy to detach and replace;

in the figure, 1-paper wheel, 2-shaft body, 3-drive shaft, 21-mounting shaft, 22-shaft end, 221-dovetail projection, 211-dovetail hole, 32-drive gear shaft, 31-drive gear, 321-dovetail block, 212-dovetail groove, 213-first limit projection, 222-second limit projection, 225-clamping projection, 2251-lead-in, 2252-lead-out, 2111-clamping groove, 223-anti-slip notch, 224-guide surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The paper rubbing wheel of the printer convenient to detach and replace comprises a paper wheel 1, a shaft body 2 used for installing the paper wheel 1 and a transmission shaft 3 connected with one end of the shaft body 2, wherein the paper wheel 1 is sleeved on the shaft body 2, the shaft body 2 comprises an installation shaft 21 used for installing the paper wheel 1 and a shaft end 22 connected with the other end of the installation shaft 21, at least two strip-shaped joggle protrusions 221 are arranged on the shaft end 22, and a plurality of joggle holes 211 which are matched with the joggle protrusions 221 are arranged on the end face of the other end of the installation shaft 21; the mounting shaft 21 and the shaft end 22 are connected by the cooperation of the joggle protrusion 221 and the joggle hole 211.

In the technical scheme, the strip-shaped joggle joint protrusions arranged on the end parts of the shafts are matched with the joggle joint holes arranged on the installation shafts to realize the connection of the installation shafts and the end parts of the shafts, after the function of the paper rubbing wheel is out of order, the whole paper rubbing wheel can be taken down, then the joggle joint protrusions on the end parts of the shafts are pulled out of the joggle joint holes, then the paper wheel sleeved on the installation shafts is taken down, a new paper wheel is replaced, and finally the paper rubbing wheel is installed, so that the waste caused by the replacement of the whole paper rubbing wheel is avoided; simultaneously at this technical scheme, thereby at least two protruding inserts of joggle realize the connection of both, stable in structure, simultaneously the protruding area of contact of joggle and joggle hole is big, is difficult to produce deformation in rotatory in-process, and life is longer.

The transmission shaft 3 includes a transmission gear shaft 32 connected to one end of the shaft body 2 and a transmission gear 31 provided on the transmission gear shaft 32.

A joggle block 321 is arranged on the end surface of the transmission gear shaft 32, which is contacted with the shaft body 2, and a joggle groove 212 which is matched with the joggle block 321 is arranged on the end surface of the installation shaft 21, which is contacted with the transmission gear shaft 32; the transmission gear shaft 32 is also connected with the shaft body through a joggle structure, so that the joggle structure can drive the gear part to be detached, the replacement of the parts is convenient, and the waste is reduced.

The installation axle 21 be close to the one end of transmission shaft 3 be provided with be used for limiting the first spacing arch 213 of paper wheel 1 position, make things convenient for the installation location of paper wheel, the condition that the installation position appears the problem can not appear.

The length of the joggle protrusion 221 is 1/3 of the length of the mounting shaft 21, the joggle protrusion 221 is deep enough, which is more beneficial to the connection of the shaft end 22 and the mounting shaft 21, and meanwhile, the connection hook is not easy to deform during rotation, thereby affecting the disassembly.

The shaft end 22 is provided with a second limit protrusion 222 for preventing the paper wheel 1 from sliding out from the shaft end 22.

The width of the joggle protrusion 221 is 3-5 mm, the larger the width is, the harder the deformation is.

The dovetail projection 221 is provided with a resilient clamping projection 225 at the root thereof, the clamping projection 225 having an inlet 2251 and an outlet 2252; the inner wall of the joggle hole 211 is provided with a clamping groove 2111 which is matched with the clamping protrusion 225; the clamping protrusion 225 can prevent the shaft end 22 from being separated from the mounting shaft 21 after being separated and mounted, so that the phenomenon that the shaft end 22 is separated from the mounting shaft 21 is avoided, the whole paper rubbing wheel is fixed in use, and the phenomenon that the shaft end 22 is separated from the mounting shaft 21 is not worried.

The shaft end 22 is provided with anti-slip grooves 223, so that a person needs to overcome the clamping protrusions 225 on the shaft end 22 when separating the shaft end 22 from the mounting shaft 21, and the difficulty of removing the braiding caused by slipping due to insufficient friction between the detached shaft end 22 and the person is avoided.

The end of the tenon joint protrusion 221 is provided with an arc-shaped guide surface 224, so that the tenon joint protrusion 221 can be more conveniently inserted into the tenon joint hole 211.

Claims

1. The paper rubbing wheel of the printer convenient to detach and replace comprises a paper wheel (1), a shaft body (2) for mounting the paper wheel (1) and a transmission shaft (3) connected with one end of the shaft body (2), wherein the paper wheel (1) is sleeved on the shaft body (2), and the paper rubbing wheel is characterized in that the shaft body (2) comprises a mounting shaft (21) for mounting the paper wheel (1) and a shaft end part (22) connected with the other end of the mounting shaft (21), at least two strip-shaped joggle protrusions (221) are arranged on the shaft end part (22), and a plurality of joggle holes (211) which are matched with the joggle protrusions (221) are arranged on the end surface of the other end of the mounting shaft (21); the mounting shaft (21) and the shaft end (22) are connected through the mutual matching of the joggle joint protrusion (221) and the joggle joint hole (211); the length of the joggle protrusion (221) is at least 1/3 of the length of the mounting shaft (21).

2. The paper rubbing wheel of the printer, which is convenient to detach and replace, according to claim 1, wherein the transmission shaft (3) comprises a transmission gear shaft (32) connected with one end of the shaft body (2) and a transmission gear (31) arranged on the transmission gear shaft (32).

3. The paper rubbing wheel of the printer convenient to detach and replace according to claim 2, wherein a joggle joint block (321) is arranged on the end face of the transmission gear shaft (32) contacted with the shaft body (2), and a joggle joint groove (212) matched with the joggle joint block (321) is arranged on the end face of the installation shaft (21) contacted with the transmission gear shaft (32).

4. A paper rubbing wheel for a printer convenient to detach and replace according to claim 1, wherein a first limit protrusion (213) for limiting the position of the paper wheel (1) is arranged at one end of the mounting shaft (21) close to the transmission shaft (3).

5. The paper rubbing wheel for the printer, which is convenient to detach and replace according to claim 1, wherein the shaft end (22) is provided with a second limit protrusion (222).

6. The paper rubbing wheel for printer convenient for disassembly and replacement as claimed in claim 1, wherein the width of the joggle protrusion (221) is 3-5 mm.

7. A printer paper rubbing wheel easy to detach and replace according to claim 1, characterized in that the joggle protrusion (221) is provided with a clamping protrusion (225) with elasticity at its root, the clamping protrusion (225) has an inlet part (2251) and an outlet part (2252); the inner wall of the joggle hole (211) is provided with a clamping groove (2111) which is matched with the clamping protrusion (225).

8. The paper rubbing wheel for the printer, which is convenient to detach and replace according to claim 1, wherein the end part (22) of the shaft is provided with anti-skid grooves (223).

9. A paper rubbing wheel for a printer for easy dismounting and replacement as claimed in claim 1, wherein the end of the joggle protrusion (221) is provided with an arc-shaped guide surface (224).