JPH0729080Y2 - Roll paper holder mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a structure in which a roll paper holder is attached to a main body of a printer that uses roll paper stored in a roll paper holder and paper other than the roll paper. .

<Prior Art> In a printer provided integrally with a portable information processing device or the like and provided with a roll paper holder (hereinafter simply referred to as a holder), not only the roll paper stored in the holder but also a cut sheet or the like In order to use various papers other than roll paper, the holder is movably attached to the printer body so that the front of the paper insertion port of the printer body can be opened.

As a means for moving the holder, conventionally, as shown in FIG.
As shown in the perspective views of (b) and (c), the holder is attached to and detached from the printer body.

That is, in the example of FIG. 7A, two vertically long mounting grooves 53 reaching the upper end of the main body 51 are formed on both sides of the paper insertion opening 52 on the side surface of the printer main body 51, and mounting arms 55 are provided at both ends of the holder 54. Is protruding. The holder 54 is detachably attached to the printer body 51 by inserting the tip of the attachment arm 55 bent at a right angle into the attachment groove 53 from the upper end thereof. In this case, the removable top cover 56 of the printer body 51 has a function as a stopper.

Further, in the example of FIG. 7B, the paper insertion opening of the printer main body 61
Two vertically elongated mounting grooves 63 are formed on both sides of the holder 62 so as to face each other, and a substantially-shaped mounting arm 65 is provided at both ends of the holder 64.
Is protruding. Then, by inserting the mounting arm 65 from the upper end opening of the mounting groove 63, the holder 64
Is detachably attached to the printer body 61. In this case, a locking claw 66 is formed at the lower end of the mounting arm 65 as a stopper.

Further, in the example of FIG. 7 (c), two mounting holes 73 are formed facing each other on both sides of the paper insertion port 72 of the printer body 71, and flexible mounting arms 75 are provided at both ends of the holder 74. It is protruding. The holder 74 is detachably attached to the printer body 71 by bending the attachment arm 75 inward and fitting the tip end portion 76 bent at a right angle into the attachment hole 73.

<Problems to be solved by the invention> However, in any of the detachable mounting structures described above, the operability of moving the holder when using paper other than roll paper is poor, and the attached holder may be lost. . Particularly, in the example of FIG. 7A, it is troublesome to attach and detach the top cover 56 of the printer main body 51 which serves as a stopper. See also
In the example of FIGS. (B) and (c), the mounting arms 65 and 75 are attached and detached.
There was also the problem that it was easy to damage the.

<Means for Solving the Problems> The present invention is a roll paper holder mounting structure devised to solve the above problems, and is characterized by having the following configuration.

That is, a mounting arm is provided so as to project from the roll paper holder, and the tip of the mounting arm is supported by the printer body. A plurality of locking recesses are formed in the printer body, and an abutting portion that engages with the locking recess is formed in the roll paper holder. Further, a biasing means for pressing the contact portion of the roll paper holder against the locking recess of the printer body is provided.

<Operation> According to the above-described mounting structure, the roll paper holder is rotatably mounted on the printer body, and further, the abutting portion thereof engages with one of the plurality of locking recesses of the printer body in a pressure contact state. As a result, it is held without rotating due to its own weight.

<Embodiment> An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view showing a first embodiment, and FIG. 2 is a perspective view showing a mounted state of a roll paper holder.

As shown in the figure, a cylindrical roll paper holder 1 (hereinafter simply referred to as a holder 1) that stores roll paper is a printer main body 2
It is rotatably attached to the side surface of the sheet, facing the sheet insertion opening 3 as described later. The printer body 2 is
For example, it is provided integrally with the portable information processing device M.

On both sides of the paper insertion opening 3 of the printer body 2, support plates 4 are provided so as to face each other. Each support plate 4 is provided with a support hole 5, and the facing surface 4a of each support plate 4 is provided with a step by changing the plate thickness to form a locking recess 6 facing the holder 1. Has been done. The locking recesses 6 of each support plate 4 are formed in plural, for example, two symmetrically so that the holder 1 is held at an appropriate position as described later.

On the other hand, mounting arms 8 project toward the printer body 2 at both ends of the lower frame 7 of the holder 1, and mounting shafts 9 project from the outer surface of the tip of the mounting arm 8. Further, substantially vertical urging arms 10 having elasticity are provided at both ends of the lower frame 7 with their lower ends fixed to the lower frame 7. The urging arm 10 is formed integrally with the lower frame 7 from synthetic resin, for example. A contact portion 11 that engages with the locking recess 6 of the support plate 4 is formed at the upper end of the biasing arm 10.

Then, as shown in the mounting explanatory view of FIG. 3, the mounting shaft 9 of the mounting arm 8 is loosely inserted into the support hole 5 of the support plate 4, whereby the holder 1 is rotatably mounted on the printer body 2. Moreover, the abutting portion 11 of the urging arm 10 engages with the engaging recess 6 of the support plate 4.
Further, the holder 1 is held without rotating due to its own weight by being engaged with the urging arm 10 while being pressed into contact with the elastic force.

In the above mounting structure, when the roll paper P stored in the holder 1 is used, the contact portion 11 of the biasing arm 10 is engaged with the lower engaging recess 6-1 as shown in FIG. Then, the holder 1 is held in a state of facing the paper insertion opening 3 of the printer body 2, and the roll paper P is inserted into the paper insertion opening 3.

When using paper other than roll paper P, such as single-cut sheets,
As shown in the operation explanatory view of FIG. 4, the holder 1 is rotated upward so as to lift it. Then, as shown in Fig. 4 (a),
As the urging arm 10 bends, its abutting portion 11 rides over the convex portion 12 between the two locking concave portions 6 and is pressed against the upper locking concave portion 6-2 as shown in FIG. 4 (b). Engage in the state. As a result, the holder 1 is held in a state of being rotated upward, and the front of the paper insertion opening 3 of the printer body 2 is opened. In this state, the single cut sheet P-1 or the like can be inserted into the sheet insertion slot 3. Alternatively, it is also possible to perform simultaneous printing by stacking the roll paper in the holder 1 and the cut sheet for copying and inserting them into the paper insertion port 3.

When the use of the paper other than the roll paper P is finished, the holder 1 is pushed down so that the holder 1 protruding above the printer body 2 does not interfere with other operations.

As described above, in the mounting structure of the present invention, the holder 1 is rotated to be moved to open the front of the paper insertion opening 3 of the printer body 2. Moreover, the holder 1 is held in a rotated state.

FIG. 5 is an exploded perspective view showing the second embodiment. In this embodiment, the support hole 5 of the support plate 4 is formed horizontally long, and the abutting portions 11 of the holder 1 are fixed to both ends of the lower frame 7. A biasing spring 13 is stretched between the support plate 4 and the holder 1 as a means for pressing the abutting portion 11 of the holder 1 against the locking recess 6 of the support plate 4.

With the above configuration, the holder 1 can be rotated and held as in the case of the first embodiment. However, in the case of this embodiment, when the contact portion 11 moves between the upper and lower engaging recesses 6, the holder 1 itself slides once to the side opposite to the printer body 2.

FIG. 6 is an exploded perspective view showing the third embodiment. In this embodiment, a holder attachment hole 14 is formed in the support plate 4, and a bias column 15 is provided upright in the holder attachment hole 14. The urging support column 15 is made of an elastic material such as synthetic resin and is used as the support plate 4.
And a support hole 5 is formed at the upper end thereof. Further, a locking recess 6 is formed on the inner wall of the holder attachment hole 14, and a cylindrical contact portion 11 that engages with the locking recess 6 is provided at both ends of the holder 1 so as to project.

With the above configuration, the abutting portion 11 of the holder 1 can be pressed into contact with the locking recess 6 of the support plate 4 by the elastic force of the biasing column 15, and thus the holder is held in the same manner as in the first and second embodiments. 1 can be rotated and held. In the case of this embodiment, when the contact portion 11 moves between the upper and lower engaging recesses 6, the holder 1 itself slides toward the printer body 2 side.

<Effects of the Invention> As described above, according to the mounting structure of the present invention, when using paper other than roll paper, the roll paper holder is rotated and held with one touch, and the paper insertion opening of the printer body is held. The front of can be opened. That is, it is not necessary to remove the roll paper holder, so that the operability of moving the roll paper holder is remarkably improved, and the problem of loss or damage of the roll paper holder is solved.

Further, the roll paper in the roll paper holder and the cut sheet for copying can be overlapped and simultaneously printed.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a first embodiment, FIG. 2 is a perspective view showing a mounting state of a roll paper holder, and FIG. 3 is a mounting explanatory view in the first embodiment, FIG. (A), (b) is operation | movement explanatory drawing in 1st Example, FIG. 5 is an exploded perspective view which shows 2nd Example, FIG. 6 is an exploded perspective view which shows 3rd Example. 7 (a), (b) and (c) are perspective views showing a conventional example. 1 …… Roll paper holder, 2 …… Printer body, 3 …… Paper insertion slot, 5 …… Support hole, 6,6-1,6-2 …… Locking recess, 8 …… Mounting arm, 9 …… Mounting shaft, 10 …… biasing arm, 11 …… abutment part, 13 …… biasing spring, 15 …… biasing column, P …… roll paper, P−
1 ... Single vote.

Claims (1)

[Scope of utility model registration request] 1. When the roll paper holder is attached to the printer body while facing the paper insertion opening of the printer body and paper other than roll paper is used, the roll paper holder is moved to move the roll paper holder. In a mounting structure for a roll paper holder that opens the front of the paper insertion opening, a mounting arm is provided so as to project from the roll paper holder, the tip of the mounting arm is axially supported by the printer main body, and a plurality of locking members are held by the printer main body. In addition to forming the concave portion, the roll paper holder is formed with an abutting portion that engages with the locking concave portion, and the abutting portion of the roll paper holder is pressed against the locking concave portion of the printer body. A roll paper holder mounting structure characterized in that a biasing means is provided.