CN221250283U - Detachable printer limit paper structure - Google Patents

Abstract

The utility model discloses a detachable paper limiting structure of a printer, which comprises a fixed seat, wherein a paper bin is arranged in the fixed seat, a first limiting support and a second limiting support are respectively and slidably arranged at two sides of the bottom of the paper bin, a first rack and a second rack are respectively and fixedly arranged at the bottoms of the first limiting support and the second limiting support, a gear assembly in meshed connection with the first rack and the second rack is arranged at the bottom surface of the fixed seat, and a tension spring which enables the first limiting support and the second limiting support to move close to each other is further arranged between the first limiting support and the second limiting support. The beneficial effects of the utility model are as follows: the tension spring enables the first rack and the second rack to be close to each other, so that the first limit bracket and the second limit bracket which are connected with the first rack and the second rack respectively are driven to be close to each other, paper rolls between the first limit bracket and the second limit bracket are clamped, and the paper rolls are prevented from moving.

Description

Detachable printer limit paper structure

Technical Field

The utility model relates to the technical field of printers, in particular to a detachable printer paper limiting structure.

Background

The mode limit paper of rack + damping wheel is commonly adopted on the market, and this kind of mode exists can not lock automatically, thereby needs the manual work to overcome the damping force of damping wheel and is close to two racks each other and carry out spacing to the scroll, but manual regulation is troublesome, still has the shortcoming of error, for this we provide a detachable printer limit paper structure and solves above-mentioned problem.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a detachable paper limiting structure of a printer.

The aim of the utility model is achieved by the following technical scheme:

The utility model provides a detachable printer limit paper structure, includes the fixing base, be provided with the paper storehouse in the fixing base, first spacing support and second spacing support of slidable mounting respectively are located to paper storehouse bottom both sides, first spacing support and second spacing support bottom fixed mounting respectively have first rack and second rack, the fixing base bottom surface install with the gear assembly of first rack and second rack meshing connection, still be provided with the extension spring that makes the two be close to each other between first spacing support and the second spacing support and remove.

Preferably, a first hook groove is formed in the end, connected with the first limiting support, of the first rack, a second hook groove is formed in one end, far away from the first hook groove, of the bottom surface of the fixing seat, and the tension spring is hung between the first hook groove and the second hook groove.

Preferably, the gear assembly comprises a fixed plate fixedly arranged on the bottom surface of the fixed seat, and a gear meshed with the first rack and the second rack is rotatably arranged on the outer surface of the convex column of the fixed plate.

Preferably, the first limit bracket and the second limit bracket have the same structure, the first limit bracket comprises a limit seat, a mounting column is fixedly arranged on the inner side surface of the limit seat, and elastic buckles capable of moving towards the center of the mounting column under the action of force are arranged on two sides of the mounting column.

Preferably, the one side that first spacing support and second spacing support are close to each other all is provided with the mounting, the mounting includes the mounting panel, a mounting panel side an organic whole is provided with first fixed column, the hole of first fixed column is provided with the first step face that is used for the joint, another side an organic whole of mounting panel is provided with the second fixed column, the hole of second fixed column is provided with the second step face, the two external diameters of first fixed column and second fixed column are different and two hole intercommunication.

Preferably, the mounting column is in an I shape, and the elastic buckle is positioned in the grooves at two sides of the mounting column.

Preferably, two sliding grooves are formed in the bottom wall of the paper bin, and the first limiting support and the second limiting support are respectively and slidably installed in the matched sliding grooves.

Preferably, the first limiting support, the first rack and the second limiting support are fixedly connected through screws.

The utility model has the following advantages:

1. According to the utility model, the first rack and the second rack are close to each other through the tension spring, so that the first limit bracket and the second limit bracket which are respectively connected with the first rack and the second rack are also driven to be close to each other, a paper roll between the first limit bracket and the second limit bracket is clamped, and the paper roll is prevented from moving.

2. According to the utility model, the tension spring is hung on the first hook groove and the second hook groove, the first limit bracket can move towards the second limit bracket through the tension spring, and the gear assembly is arranged between the first rack and the second rack, so that in the process of moving the first limit bracket towards the second limit bracket, the second limit bracket also moves towards the first limit bracket through the transmission of the first rack and the gear assembly and the second rack, and further, the paper roll between the first limit bracket and the second limit bracket is clamped and fixed.

Drawings

Fig. 1 is a schematic overall front view of the present utility model.

Fig. 2 is a schematic diagram of the overall bottom view structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

Fig. 5 is a schematic structural diagram of an assembled state of the first limiting frame, the second limiting frame, the first rack, the second rack and the gear assembly according to the present utility model.

Fig. 6 is a schematic view of the bottom structure of fig. 5 according to the present utility model.

Fig. 7 is a schematic view of a gear assembly according to the present utility model.

Fig. 8 is a schematic structural view of a first limiting frame according to the present utility model.

Fig. 9 is a schematic view of a first view structure of a fixing member according to the present utility model.

Fig. 10 is a schematic view of a second view structure of the fixing member according to the present utility model.

In the figure, 1, a fixing seat; 2. the first limiting bracket; 21. a limit seat; 22. a mounting column; 23. an elastic buckle; 3. the second limiting bracket; 4. a first rack; 5. a second rack; 6. a fixing member; 61. a mounting plate; 62. a first fixing column; 63. a first step surface; 64. a second fixing column; 65. a second step surface; 7. a gear assembly; 71. a fixing plate; 72. a gear; 8. a tension spring; 9. a first hooking groove; 10. a second hooking groove; 11. and a sliding groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this application

Such as the embodiment shown in fig. 1-10.

The utility model provides a detachable printer limit paper structure, includes fixing base 1, be provided with the paper storehouse in the fixing base 1, paper storehouse bottom both sides slidable mounting has first spacing support 2 and second spacing support 3 respectively, first spacing support 2 and second spacing support 3 bottom fixed mounting respectively have first rack 4 and second rack 5, fixing base 1 bottom surface install with the gear assembly 7 that first rack 4 and second rack 5 meshing are connected, still be provided with the extension spring 8 that makes the two be close to each other between the spacing support of first spacing support 2 and second 3.

The first limiting support 2, the first rack 4, the second limiting support 3 and the second rack 5 are fixedly connected through screws.

Two sliding grooves 11 are formed in the bottom wall of the paper bin, and the first limiting support 2 and the second limiting support 3 are respectively and slidably installed in the matched sliding grooves 11.

Referring to fig. 1 and 2, the first rack 4 and the second rack 5 are close to each other through the tension spring 8, so that the first limit bracket 2 and the second limit bracket 3 which are connected with the first rack 4 and the second rack 5 respectively are also driven to be close to each other, a paper roll between the first limit bracket 2 and the second limit bracket 3 is clamped, the paper roll is prevented from moving, and compared with the existing power source for clamping the paper roll by using the damping wheel, the scheme does not need to manually move the first limit bracket 2 and the second limit bracket 3 to be close to each other, and the paper roll is positioned behind the first limit bracket 2 and the second limit bracket 3 and is close to each other to clamp and fix the paper roll through the elasticity of the tension spring 8.

The end part of the first rack 4 connected with the first limiting bracket 2 is provided with a first hook groove 9, one end of the bottom surface of the fixed seat 1, which is far away from the first hook groove 9, is provided with a second hook groove 10, and the tension spring 8 is hung between the first hook groove 9 and the second hook groove 10.

Referring to fig. 2 to 4, the tension spring 8 is hung on the first hook groove 9 and the second hook groove 10, the first limiting bracket 2 can move towards the second limiting bracket 3 through the tension spring 8, and the gear assembly 7 is arranged between the first rack 4 and the second rack 5, so that in the moving process of the first limiting bracket 2 towards the second limiting bracket 3, the second limiting bracket 3 also moves towards the first limiting bracket 2 through the transmission of the first rack 4, the gear assembly 7 and the second rack 5, and then the paper roll between the first limiting bracket 2 and the second limiting bracket 3 is clamped and fixed.

The gear assembly 7 comprises a fixed plate 71 fixedly arranged on the bottom surface of the fixed seat 1, and a gear 72 meshed with the first rack 4 and the second rack 5 is rotatably arranged on the outer surface of a convex column of the fixed plate 71.

Referring to fig. 5 to 7, the fixing plate 71 is fixedly installed at the bottom of the fixing seat 1, at this time, the fixing plate 71 is located between the meshing teeth of the first rack 4 and the second rack 5, and by rotatably installing a gear 72 on the boss of the fixing plate 71, the gear 72 is located between the meshing teeth of the first rack 4 and the second rack 5, when the position of the first rack 4 moves, the second rack 5 is moved by the transmission of the gear 72, and the first rack 4 and the second rack 5 are moved close to or far away from each other, specifically, when the first rack 4 moves toward the second rack 5, the second rack 5 is correspondingly moved toward the first rack 4 by the transmission of the gear 72, and then the first limiting bracket 2 and the second limiting bracket 3 connected with the first rack 4 and the second rack 5 are moved close to each other to clamp a paper roll located therebetween, otherwise, the first rack 4 and the second rack 5 are moved away from each other, and the clamped paper roll is released.

The structure of the first limiting support 2 is the same as that of the second limiting support 3, the first limiting support 2 comprises a limiting seat 21, a mounting column 22 is fixedly arranged on the inner side surface of the limiting seat 21, and elastic buckles 23 capable of moving towards the center of the mounting column 22 under the force are arranged on two sides of the mounting column 22.

The one side that first spacing support 2 and second spacing support 3 are close to each other all is provided with mounting 6, mounting 6 includes mounting panel 61, mounting panel 61 one side an organic whole is provided with first fixed column 62, the hole of first fixed column 62 is provided with the first step face 63 that is used for the joint, another side an organic whole of mounting panel 61 is provided with the second fixed column 64, the hole of second fixed column 64 is provided with second step face 65, the two external diameters of first fixed column 62 and second fixed column 64 are different and two hole intercommunication.

The mounting column 22 is in an I shape, and the elastic buckles 23 are positioned in grooves on two sides of the mounting column 22.

Referring to fig. 9 and 10, the outer diameters of the first fixing post 62 and the second fixing post 64 are different, so that the paper rolls with different sizes can be clamped, installed and fixed, the fixing piece 6 does not need to be replaced independently, and the mounting plate 61 is detachably mounted on the mounting post 22, so that the paper rolls with different sizes can be clamped conveniently, and if the sizes of the first fixing post 62 and the second fixing post 64 cannot meet the requirements of the paper rolls with corresponding sizes, the original fixing piece 6 can be detached from the mounting post 22, and the fixing piece 6 with different sizes can be replaced.

Referring to fig. 8 to 10, when a paper roll between the first limiting bracket 2 and the second limiting bracket 3 needs to be clamped and fixed, specifically, for example, when the corresponding paper roll needs to be clamped by the first fixing post 62, the mounting plate 61 is first penetrated into the outer surface of the mounting post 22 through the inner hole of the first fixing post 62, in the extending process, the two elastic buckles 23 are compressed and deformed towards the center of the mounting post 22 by the pressure of the inner hole wall of the first fixing post 62 until the maximum distance between the two elastic buckles 23 is smaller than or equal to the diameter of the inner hole of the first fixing post 62, when the end part of the elastic buckle 23 enters the first fixing post 62 and moves to the position of the first step surface 63, the elastic buckle 23 is not pressed by the inner hole wall of the first fixing post 62, the elastic buckle 23 expands outwards under the action of self elastic force, so that the elastic buckle 23 is contacted and clamped with the end surface of the first step surface 63, and the distance between the clamping ends of the two elastic buckles 23 is larger than the diameter of the inner hole of the first fixing post 62, so that the mounting plate 61 and the first fixing post 62 are fixed.

When the paper roll needs to be clamped by the second fixing column 64, only the clamping ends of the two elastic buckles 23 are required to be close to each other, the distance between the clamping ends of the two elastic buckles 23 is smaller than the diameter of the inner hole of the first fixing column 62, the elastic buckles 23 are withdrawn from the inner hole of the first fixing column 62, the mounting plate 61 is disassembled, the second fixing column 64 is penetrated into the mounting column 22 through the inner hole to be clamped and fixed, the specific clamping process is the same as the clamping process of the first fixing column 62, and detailed description is omitted here

The working process of the utility model is as follows: firstly, a fixing piece 6 conforming to the diameter of a paper roll is arranged on a first limit bracket 2 and a second limit bracket 3, then the first limit bracket 2 or the second limit bracket 3 is manually pulled to move towards the end part, specifically, the first limit bracket 2 is pulled to move towards the direction far away from the second limit bracket 3 by overcoming the elastic force of a tension spring 8, the second limit bracket 3 is also moved towards the direction far away from the first limit bracket 2 by the transmission of a first rack 4, a second rack 5 and a gear assembly 7 in the moving process, so that the first limit bracket 2 and the second limit bracket 3 are moved away from each other, the paper roll can be accommodated by the distance between the first limit bracket 2 and the second limit bracket 3, after the paper roll is positioned between the first limit bracket 2 and the second limit bracket 3, the first limit bracket 2 is loosened, the first limit bracket 2 and the second limit bracket 3 are mutually close to each other by the elastic force of the tension spring 8, and the fixing piece 6 arranged on the first limit bracket 2 and the second limit bracket 3 is used for clamping and fixing the paper roll.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a detachable printer limit paper structure, includes fixing base (1), be provided with paper storehouse, its characterized in that in fixing base (1): the paper bin is characterized in that a first limiting support (2) and a second limiting support (3) are slidably mounted on two sides of the bottom of the paper bin respectively, a first rack (4) and a second rack (5) are fixedly mounted on the bottoms of the first limiting support (2) and the second limiting support (3) respectively, a gear assembly (7) which is in meshed connection with the first rack (4) and the second rack (5) is mounted on the bottom surface of the fixing seat (1), and a tension spring (8) which enables the first limiting support (2) and the second limiting support (3) to move close to each other is further arranged between the first limiting support and the second limiting support.

2. A removable printer paper limiting structure as defined in claim 1, wherein: the first rack (4) is provided with a first hook groove (9) at the end part connected with the first limit bracket (2), the bottom surface of the fixing seat (1) is far away from one end of the first hook groove (9) and provided with a second hook groove (10), and the tension spring (8) is hung between the first hook groove (9) and the second hook groove (10).

3. A removable printer paper limiting structure as defined in claim 1, wherein: the gear assembly (7) comprises a fixed plate (71) fixedly arranged on the bottom surface of the fixed seat (1), and a gear (72) meshed with the first rack (4) and the second rack (5) is rotatably arranged on the outer surface of a convex column of the fixed plate (71).

4. A removable printer paper limiting structure as defined in claim 1, wherein: the structure of the first limiting support (2) is the same as that of the second limiting support (3), the first limiting support (2) comprises a limiting seat (21), a mounting column (22) is fixedly arranged on the inner side surface of the limiting seat (21), and elastic buckles (23) capable of moving towards the center of the mounting column (22) under the action of force are arranged on two sides of the mounting column (22).

5. A removable printer paper limiting structure according to claim 1 or 4, wherein: the utility model discloses a fixing device for the automobile, including first spacing support (2) and second spacing support (3), first spacing support (2) and second spacing support (3) are all provided with mounting (6) in the one side that is close to each other, mounting (6) are including mounting panel (61), a side an organic whole of mounting panel (61) is provided with first fixed column (62), the hole of first fixed column (62) is provided with first step face (63) that are used for the joint, another side an organic whole of mounting panel (61) is provided with second fixed column (64), the hole of second fixed column (64) is provided with second step face (65), the two external diameters of first fixed column (62) and second fixed column (64) are different and two hole intercommunication.

6. A removable printer paper limiting structure as defined in claim 1, wherein: the mounting column (22) is in an I-shaped form, and the elastic buckles (23) are positioned in grooves on two sides of the mounting column (22).

7. A removable printer paper limiting structure as defined in claim 1, wherein: two sliding grooves (11) are formed in the bottom wall of the paper bin, and the first limiting support (2) and the second limiting support (3) are respectively and slidably installed in the matched sliding grooves (11).

8. A removable printer paper limiting structure as defined in claim 1, wherein: the first limiting support (2) and the first rack (4) as well as the second limiting support (3) and the second rack (5) are fixedly connected by adopting screws.