CN215751480U - Main roller structure of handheld printer - Google Patents

Abstract

The utility model relates to the technical field of handheld printers, and discloses a main roller structure of a handheld printer, which comprises a printer assembly and a roller assembly, and is characterized in that: the printer component comprises a cover, a roller component is mounted on the inner wall of the cover, the roller component comprises a fixed seat, a connecting shaft is movably connected inside the fixed seat, a roller is fixedly connected to the middle section of the outside of the connecting shaft, a sliding-assisting bearing is movably connected to the outside of the connecting shaft, a gear is fixedly connected to one end of the connecting shaft, and a roller is fixedly connected to the other end of the connecting shaft; the sliding bearing is arranged outside the connecting shaft, when the roller rotates, the sliding bearing is arranged outside and also keeps rotating, thereby effectively avoiding the phenomenon that the inner roller is blocked and needing to be disassembled for repair, meanwhile, the fixing component is arranged inside the mounting seat, the whole roller component can be more conveniently clamped, the phenomenon that the roller falls off in the use process is avoided, and the non-specification drawing is very practical.

Description

Main roller structure of handheld printer

Technical Field

The utility model relates to the technical field of handheld printers, in particular to a main roller structure of a handheld printer.

Background

Hand-held type printer means small in size, the printer that easily carries, mainly is to print needs and design in the way in order to satisfy the user in the removal, and hand-held type printer handle generally has two kinds of forms on the market: one is that the handle and the machine body are integrated, and the other is that the handle and the machine body are detachable.

In the prior art, no matter the printer with the handle and the machine main body integrated or the printer with the handle and the machine main body detachable, the phenomenon that the inner roller is clamped can occur in the using process, so that the printer needs to be detached for repairing operation, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a main roller structure of a handheld printer, which has the advantage of more convenient rotation of a roller and solves the problem that the inner roller is clamped and needs to be disassembled for repair operation.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hand-held type printer owner gyro wheel structure, includes printer component and wheel components, printer component includes the cover, install the inner wall of cover wheel components, wheel components includes the fixing base, the inside swing joint of fixing base has the connecting axle, the outside middle section fixedly connected with roller bearing of connecting axle, the outside swing joint of connecting axle helps smooth bearing, the one end fixedly connected with gear of connecting axle, the other end fixedly connected with gyro wheel of connecting axle.

Preferably, the inside swing joint of one end of fixing base has fixed subassembly, fixed subassembly includes the loose axle, the both ends fixedly connected with stopper of loose axle, the outside swing joint of stopper has the activity buckle, the top swing joint of activity buckle has the pull ring.

Through adopting above-mentioned scheme, be provided with fixed subassembly and help guaranteeing that the phenomenon that the part drops can not appear in the use.

Preferably, the printer subassembly includes the organism, the display screen is installed at the top of organism, the both sides of display screen all are provided with operating button, the top of organism is provided with the power key, the top of power key is provided with the key of uncapping, the exit slot has been seted up at the top of organism, the top one end swing joint of organism has the cover.

Through adopting above-mentioned scheme, be provided with the situation that the display screen can more accurate observation printer.

Preferably, the number of the sliding-assistant bearings is two, and the sliding-assistant bearings are fixedly arranged at two ends of the rolling shaft in a bilateral symmetry manner.

By adopting the scheme, the sliding-assisting bearing is arranged, so that the rotating shaft can rotate more conveniently when the sliding-assisting bearing is used, and the situation that paper is jammed in the using process of the whole machine is prevented.

Preferably, the outside of the roller is provided with a rubber ring.

Through adopting above-mentioned scheme, rubber has the big characteristics of frictional force, helps the rotation of better drive stock form.

Preferably, the inner wall of the movable buckle plate is provided with a buckle structure, and the movable buckle plate is movably connected with the fixed seat.

Through adopting above-mentioned scheme, help letting the printer inside part card when using tighter through being provided with the buckle, the phenomenon that can not appear droing.

Preferably, the pull ring is of a hidden structure.

Through adopting above-mentioned scheme, set it to hidden structure and can guarantee not to influence the normal operating of printer.

(III) advantageous effects

Compared with the prior art, the utility model provides a main roller structure of a handheld printer, which has the following beneficial effects:

this hand-held type printer owner wheel structure has helped the smooth bearing through the externally mounted at the connecting axle, and when the roller bearing rotated, the installation was in the outside and helped the smooth bearing and also kept rotating equally, thereby effectual phenomenon of having avoided inside gyro wheel to block need be dismantled and repair, set up fixed subassembly in the inside of mount pad simultaneously, can be more convenient clip whole wheel components, avoid the phenomenon that the roller bearing drops appearing in the use, and is very practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the printer assembly of the present invention;

fig. 3 is a schematic structural view of a fixing assembly according to the present invention.

In the figure: 1. a printer component; 11. a body; 12. a display screen; 13. an operation button; 14. a power key; 15. a cover opening key; 16. a paper outlet; 17. a machine cover; 2. a roller assembly; 21. a fixed seat; 22. a connecting shaft; 23. a roller; 24. a sliding-aid bearing; 25. a gear; 26. a roller; 3. a fixing assembly; 31. a movable shaft; 32. a limiting block; 33. a movable buckle plate; 34. and (4) a pull ring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

A main roller structure of a handheld printer comprises a printer component 1 and roller components 2, wherein the printer component 1 comprises a machine body 11, a display screen 12 is installed at the top of the machine body 11, operation buttons 13 are arranged on two sides of the display screen 12, a power key 14 is arranged at the top of the machine body 11, a cover opening key 15 is arranged above the power key 14, a paper outlet 16 is formed in the top of the machine body 11, one end of the top of the machine body 11 is movably connected with a cover 17, the printer component 1 comprises the cover 17, the roller components 2 are installed on the inner wall of the cover 17, each roller component 2 comprises a fixed seat 21, a connecting shaft 22 is movably connected inside the fixed seat 21, a roller 23 is fixedly connected to the middle section of the outer portion of the connecting shaft 22, a rubber ring is arranged on the outer portion of the roller 23, two sliding-assisting bearings 24 are movably connected to the outer portion of the connecting shaft 22, the sliding-assisting bearings 24 are symmetrically and fixedly installed at two ends of the roller 23, one end of the connecting shaft 22 is fixedly connected with a gear 25, and the other end of the connecting shaft 22 is fixedly connected with a roller 26.

Referring to fig. 1-3, when using, at first buckle the whole cover 17 on the organism 11, open the power key 14 again, let the organism 11 power-on, press the operating button 13 at this moment and debug well, judge the printer working condition according to the display numerical value above the display screen 12, when the part of inside begins working, at first gear 25 is connected with the transmission part of inside, the activity of inside sliding bearing 24 is on fixing base 21, because the effort of sliding bearing 24 can let the rolling more convenient of whole device, the effectual situation of avoiding appearing the card paper in the use, set up in the outside of roller 23 at the rubber ring simultaneously, can let the better rotation of stock form, let whole printer assembly 1 become more convenient and fast when using.

Example two

The function of clamping the whole roller assembly more stably is added on the basis of the first embodiment.

The inside swing joint of one end of fixing base 21 has fixed subassembly 3, and fixed subassembly 3 includes loose axle 31, and the both ends fixedly connected with stopper 32 of loose axle 31, the outside swing joint of stopper 32 have movable buckle 33, and the inner wall of movable buckle 33 is provided with buckle structure to movable buckle 33 and fixing base 21 swing joint, the top swing joint of movable buckle 33 has pull ring 34, and pull ring 34 is hidden structure.

Referring to fig. 1-3, meanwhile, in the above process, at first, the whole connecting shaft 22 is placed inside the fixing seat 21, so that the connecting shaft is tightly clamped inside the fixing seat 21, at this time, the movable buckle plate 33 is closed, so that the buckle on the inner wall of the movable buckle plate is tightly attached to the fixing seat 21, thus the whole device can be ensured not to fall off when in use, meanwhile, the connecting shaft 22 and other parts can be more conveniently replaced at any time, the pull ring 34 is pulled out to be opened, detached and replaced when in need of replacement, and therefore the practicability of the whole device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a hand-held type printer owner gyro wheel structure, includes printer component (1) and roller components (2), its characterized in that: printer subassembly (1) is including cover (17), install the inner wall of cover (17) wheel subassembly (2), wheel subassembly (2) are including fixing base (21), the inside swing joint of fixing base (21) has connecting axle (22), the outside middle section fixedly connected with roller bearing (23) of connecting axle (22), the outside swing joint of connecting axle (22) helps smooth bearing (24), the one end fixedly connected with gear (25) of connecting axle (22), the other end fixedly connected with gyro wheel (26) of connecting axle (22).

2. The main roller structure of a hand-held printer according to claim 1, characterized in that: the inside swing joint of one end of fixing base (21) has fixed subassembly (3), fixed subassembly (3) include loose axle (31), both ends fixedly connected with stopper (32) of loose axle (31), the outside swing joint of stopper (32) has activity buckle (33), the top swing joint of activity buckle (33) has pull ring (34).

3. The main roller structure of a hand-held printer according to claim 1, characterized in that: printer subassembly (1) is including organism (11), display screen (12) are installed at the top of organism (11), the both sides of display screen (12) all are provided with operating button (13), the top of organism (11) is provided with power key (14), the top of power key (14) is provided with uncap key (15), exit slot (16) have been seted up at the top of organism (11), the top one end swing joint of organism (11) has cover (17).

4. The main roller structure of a hand-held printer according to claim 1, characterized in that: the number of the sliding-assistant bearings (24) is two, and the sliding-assistant bearings (24) are fixedly arranged at two ends of the rolling shaft (23) in a bilateral symmetry manner.

5. The main roller structure of a hand-held printer according to claim 1, characterized in that: and a rubber ring is arranged outside the rolling shaft (23).

6. The main roller structure of a hand-held printer according to claim 2, characterized in that: the inner wall of the movable buckle plate (33) is provided with a buckle structure, and the movable buckle plate (33) is movably connected with the fixed seat (21).

7. The main roller structure of a hand-held printer according to claim 2, characterized in that: the pull ring (34) is of a hidden structure.

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