CN215705181U

CN215705181U - Printer is with preventing card paper device

Info

Publication number: CN215705181U
Application number: CN202121013165.4U
Authority: CN
Inventors: 魏茂权
Original assignee: Qingdao Zonmar Intelligent Office Application Technology Co ltd
Current assignee: Qingdao Zonmar Intelligent Office Application Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-02-01
Anticipated expiration: 2031-05-12

Abstract

The utility model belongs to the technical field of printers, and particularly relates to a paper jam preventing device for a printer. This anti-sticking paper device includes the base, the cylinder, including a motor, an end cap, a controller, and a cover plate, the cylinder, transmission assembly, both ends are installed respectively at the base lateral wall about the cylinder, both ends have cup jointed the action wheel respectively about the cylinder, from driving wheel A, the action wheel is connected with motor drive, transmission assembly includes from driving wheel B, from driving wheel C, the pivot, both ends respectively with from one side of driving wheel B about the pivot, from one side of driving wheel C to be connected, opposite side from driving wheel B and from the opposite side of driving wheel C are connected with fixed axle A through the bearing respectively, fixed axle B, the cylinder is parallel with the pivot, from driving wheel B and action wheel meshing, from driving wheel C with from the meshing of driving wheel A, fixed axle A and fixed axle B are connected with the base lateral wall respectively. The paper jamming prevention device realizes the same-direction and same-speed rotation of the driving wheel, the transmission shaft and the driven wheel A through the transmission assembly, and solves the problem of paper jamming caused by the fact that the transmission shaft and the driving wheel cannot keep moving at the same speed due to transmission shaft faults.

Description

Printer is with preventing card paper device

Technical Field

The utility model belongs to the technical field of printers, and particularly relates to a paper jam preventing device for a printer.

Background

The printer is the indispensable output tool in present work life, has very frequent rate of utilization, but, the easy card paper of current printer play paper department cylinder department, needs the manual adjustment clearance behind the card paper, has influenced work efficiency, and user experience feels poor, consequently designs a section and is applicable to the anti-sticking paper device of printer and has very important meaning.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a paper jam preventing device for a printer, wherein a new driven wheel is additionally arranged on a roller in the paper jam preventing device, so that the roller is driven to rotate by a driving wheel and the driven wheel, the effective rotation of the roller is ensured, and the problem of easy paper jam at the roller at a paper outlet of the printer caused by the failure of the roller is solved.

The above object of the present invention is achieved by the following technical solutions:

a paper jam preventing device for a printer comprises a base, a roller and a motor, wherein two ends of the roller along an axis are respectively installed on the inner walls of two sides of the base, one end of the roller is sleeved with a driving wheel, the roller is in interference fit with the driving wheel, the driving wheel is in transmission connection with the motor, the motor is fixedly connected with the base, the paper jam preventing device further comprises a transmission assembly, and the transmission assembly comprises a driven wheel B, a driven wheel C, a rotating shaft, a fixed shaft A and a fixed shaft B;

the utility model discloses a rotary drum, including pivot B, driven wheel C, fixed axle A, driven wheel C, driven wheel A, driven wheel C, driven wheel A, driven wheel C, driven wheel A, driven wheel B, driven wheel C, driven wheel A, fixed axle A's tip, fixed axle B's tip respectively with the both sides inner wall fixed connection of base.

The preferred scheme is as follows:

preferably: the roller comprises a mandrel and a roller body, the roller body is sleeved on the outer side of the mandrel, the roller body is coaxially and fixedly connected with the mandrel, the length of the roller body is smaller than that of the mandrel, the two ends of the mandrel along the axis are respectively sleeved with the driving wheel and the driven wheel A, the mandrel is in interference fit with the driving wheel, and the mandrel is in interference fit with the driven wheel A.

Preferably: and two ends of the joint of the mandrel and the roller body along the axis are respectively provided with a limiting step.

Preferably: and shaft sleeves are respectively arranged between the mandrel and the driving wheel and between the mandrel and the driven wheel A, are sleeved on the outer side of the mandrel and are in clearance fit with the mandrel, are matched with the limiting steps and are fixedly connected with the inner side wall of the base.

Preferably: and a grounding piece is arranged between the mandrel and the shaft sleeve, the grounding piece is sleeved on the outer side of the mandrel and is in clearance fit with the mandrel, and the grounding piece is fixedly connected with the base.

In conclusion, the utility model has the following beneficial effects:

the driving wheel is assisted by the transmission assembly to drive the driven wheel A to rotate, the driven wheel A and the driving wheel move at the same speed in the same direction, compared with the situation that the driving wheel drives the roller to rotate singly, the driving wheel and the roller are always kept in a normal rotating state due to the addition of the transmission assembly, and therefore the problem of paper jam caused by the fact that the roller cannot move at the same speed as the driving wheel due to faults is solved.

Drawings

FIG. 1 is a schematic view of an exploded state of the embodiment;

fig. 2 is a schematic structural diagram of the embodiment.

In the figure, 1, a driving wheel; 2. a driven wheel A; 3. a mandrel; 4. a roller body; 5. a driven wheel B; 6. a driven wheel C; 7. a rotating shaft; 8. fixing a shaft A; 9. a fixed shaft B; 10. a limiting step; 11. a shaft sleeve; 12. a ground member; 13. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In which like parts are designated by like reference numerals. It should be noted that the words "inner" and "outer" used in the following description refer to directions in the drawings, but are not limiting.

As shown in fig. 1 to 2, a paper jam preventing device for a printer includes a base 13, a drum, a motor, and a transmission assembly.

The roller is respectively arranged on the inner walls of two sides of a base 13 at two ends along the axial line, the roller comprises a mandrel 3 and a roller body 4, the roller body 4 is sleeved on the outer side of the mandrel 3, the roller body 4 is coaxially and fixedly connected with the mandrel 3, the length of the roller body 4 is smaller than that of the mandrel 3, the two ends along the axial line of the mandrel 3 are respectively sleeved with a driving wheel 1 and a driven wheel A2, the mandrel 3 is in interference fit with the driving wheel 1, the mandrel 3 is in interference fit with the driven wheel A2, the driving wheel 1 and the driven wheel A2 are both connected with the mandrel 3, the mandrel 3 can keep the same-direction rotation of the whole roller without deflection, the driving wheel 1 is in transmission connection with a motor, the motor is fixedly connected with the base 13, two ends of the joint of the mandrel 3 and the roller body 4 along the axial line are respectively provided with a limiting step 10, shaft sleeves 11 are respectively arranged between the mandrel 3 and the driving wheel 1, and between the mandrel 3 and the driven wheel A2, the sleeves 11 are sleeved on the outer side of the mandrel 3 and in clearance fit with the mandrel 3, axle sleeve 11 cooperatees with spacing step 10, and axle sleeve 11 and base 13's inside wall fixed connection are equipped with ground connection 12 between dabber 3 and the axle sleeve 11, and ground connection 12 cup joints in dabber 3's the outside and with dabber 3 clearance fit, ground connection 12 with base 13 fixed connection, the material of ground connection 12 is for having elastic metal, and ground connection 12 can derive the static that accumulates on the cylinder, can avoid the problem of the printer head trouble that arouses because of the static accumulation, and spacing step 10 can restrict the rotational position of axle sleeve 11, guarantees that axle sleeve 11 does not deflect, and axle sleeve 11 can guarantee that action wheel 1 and follow driving wheel A2 keep the movement track can not take place the skew on the basis of base 13 with cylinder fixed connection.

The transmission assembly comprises a driven wheel B5, a driven wheel C6, a rotating shaft 7, a fixed shaft A8 and a fixed shaft B9, the rotating shaft 7 is horizontally placed, two ends of the rotating shaft 7 along the axis are fixedly connected with the side faces of the driven wheel B5 and the driven wheel C6 respectively, one side of the driven wheel B5, far away from the rotating shaft 7, is movably connected with the fixed shaft A8 through a bearing, one side of the driven wheel C6, far away from the rotating shaft 7, is movably connected with a fixed shaft B9 through a bearing, the other end of the roller is sleeved with the driven wheel A2, the roller is in interference fit with the driven wheel A2, the roller is parallel to the rotating shaft 7, the driven wheel B5 is meshed with the driving wheel 1, the driven wheel C6 is meshed with the driven wheel A2, the end of the fixed shaft A8 and the end of the fixed shaft B9 are fixedly connected with the inner walls of two sides of the base 13 respectively, the fixed shaft A8 and the fixed shaft B9 fix the transmission assembly on the base 13, so that the transmission assembly can be kept in the same direction with the roller and the stability of the transmission assembly can be increased, the rotating shaft 7 between the driven wheel B5 and the driven wheel C6 can keep the driven wheel B5 and the driven wheel C6 rotating at the same direction and speed, so that the driven wheel A2 and the roller can be ensured to rotate at the same direction and speed with the driving wheel 1, and the paper jam problem caused by the fact that the roller cannot rotate at the same direction and speed with the driving wheel 1 after the roller fails is prevented.

The present embodiments are illustrative, but not restrictive, and changes, modifications, additions, and substitutions may be made within the spirit and scope of the present invention, and those skilled in the art may make modifications to the embodiments as required without any inventive contribution thereto after reading the present specification, but within the scope of the claims of the present invention.

Claims

1. A paper jam preventing device for a printer comprises a base (13), a roller and a motor, wherein two ends of the roller along an axis are respectively installed on the inner walls of two sides of the base (13), one end of the roller is sleeved with a driving wheel (1), the roller is in interference fit with the driving wheel (1), the driving wheel (1) is in transmission connection with the motor, and the motor is fixedly connected with the base (13); the method is characterized in that: the paper jamming prevention device further comprises a transmission assembly, wherein the transmission assembly comprises a driven wheel B (5), a driven wheel C (6), a rotating shaft (7), a fixing shaft A (8) and a fixing shaft B (9);

the rotating shaft (7) is horizontally arranged, two ends of the rotating shaft (7) along the axis are respectively fixedly connected with the side surfaces of the driven wheel B (5) and the driven wheel C (6), one side of the driven wheel B (5) far away from the rotating shaft (7) is movably connected with a fixed shaft A (8) through a bearing, one side of the driven wheel C (6) far away from the rotating shaft (7) is movably connected with a fixed shaft B (9) through a bearing, the other end of the roller is sleeved with a driven wheel A (2), the roller is in interference fit with the driven wheel A (2), the roller is parallel to the rotating shaft (7), the driven wheel B (5) is meshed with the driving wheel (1), the driven wheel C (6) is meshed with the driven wheel A (2), and the end part of the fixed shaft A (8) and the end part of the fixed shaft B (9) are fixedly connected with the inner walls of the two sides of the base (13) respectively.

2. A paper jam preventing device for a printer according to claim 1, characterized in that: the roller comprises a mandrel (3) and a roller body (4), the roller body (4) is sleeved on the outer side of the mandrel (3), the roller body (4) is connected with the mandrel (3) in a coaxial and fixed mode, the length of the roller body (4) is smaller than that of the mandrel (3), the mandrel (3) is sleeved on the two ends of the axis respectively and is provided with a driving wheel (1) and a driven wheel A (2), the mandrel (3) is in interference fit with the driving wheel A (1), and the mandrel (3) is in interference fit with the driven wheel A (2).

3. A paper jam preventing device for a printer according to claim 2, wherein: and two ends of the joint of the mandrel (3) and the roller body (4) along the axis are respectively provided with a limiting step (10).

4. A paper jam preventing device for a printer according to claim 3, wherein: the novel multifunctional winding machine is characterized in that shaft sleeves (11) are respectively arranged between the mandrel (3) and the driving wheel (1) and between the mandrel (3) and the driven wheel A (2), the shaft sleeves (11) are sleeved on the outer side of the mandrel (3) and in clearance fit with the mandrel (3), the shaft sleeves (11) are matched with the limiting steps (10), and the shaft sleeves (11) are fixedly connected with the inner side wall of the base (13).

5. The paper jam preventing device for a printer according to claim 4, wherein: a grounding piece (12) is arranged between the mandrel (3) and the shaft sleeve (11), the grounding piece (12) is sleeved on the outer side of the mandrel (3) and is in clearance fit with the mandrel (3), and the grounding piece (12) is fixedly connected with the base (13).