JP4595161B2 - Printer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector connection structure of a printer, and more particularly to a connector connection structure in which a connector is housed in a compact device body and a connector insertion / extraction operation can be easily performed.
[0002]
[Prior art]
FIG. 3 shows a connector connecting portion of a general printer. A case for covering the components for realizing the functions of the printer 1 is covered with a main body case 10 and a front case 11, and 20 is a structure for realizing the functions of the printer. Frame for supporting components, 30 is a board for controlling the printer, 40 is a connector disposed on the board 30, 41 is a connector for connecting to an external device, 42 is a cable having connectors at both ends and connecting the external device, 50 Is a roll paper on which recording paper is wound, 51 is a roller for conveying the recording paper, 52 is a head for printing on the recording paper, and 53 is a paper outlet for discharging the printed recording paper.
[0003]
A general connector connecting portion has a structure in which a connector 40 disposed on a board protrudes from a connector panel formed by a frame 20 and a connector 41 attached to a cable 42 connected to the outside of the device is inserted. At this time, the housing of the connector 41 is generally configured to protrude outward from the printer body. FIG. 4 shows a structure in which the connector is accommodated inside so as not to protrude outside.
[0004]
[Problems to be solved by the invention]
As shown in FIG. 3, in the above conventional printer, the connector housing part protrudes outside the printer body, but even if a compact printer is realized, the actual occupied space requires a space including the connector protruding part. To do. In addition, printers that issue receipts printed on items such as sales items and sales amounts used in stores, etc. are installed on the sales counter, the back of the printer is the front of the customer, and the connector connection is exposed This is not preferable in appearance. Connection failure may occur due to accidental touching of connectors or mischief of children. For this reason, it is required to store the connector connecting portion inside the printer main body.
[0005]
In addition, when the connector connecting portion is housed inside the device main body, it is necessary to insert and remove a large-sized connector with a deep connector portion, resulting in poor operability.
[0006]
As described above, when the connector connecting portion is housed in the printer main body, the printer main body becomes large, and when pursuing compactness, there is a conflicting problem that the operability of connector insertion / extraction is poor.
[0007]
Accordingly, an object of the present invention is to provide a compact printer that can be easily inserted and removed.
[0008]
In order to achieve the above object, a printer of the present invention is a printer using roll paper,
A case that covers the components that realize the functions of the printer;
A connector housing portion disposed so that a connector for connecting to an external device is accommodated in a part of the case;
At least one surface of the inner peripheral surface of the connector housing portion is formed so as to be inclined so that the connector housing portion widens from the connection portion of the connector toward the opening of the connector housing portion;
Have
The roll paper is arranged on the back side of the slope portion when viewed from the connector housing portion . For this reason, the connector connecting portion can be housed in the main body, and the connector can be easily inserted and removed.
[0009]
In addition, in a printer that uses roll paper as recording paper, the roll paper is provided adjacent to the inclined surface, so that the space at the lower rear of the roll paper becomes an operation space for inserting and removing the connector, and the connector is stored inside the printer body. However, the printer body can be made compact.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating the structure of a printer according to an embodiment of the present invention. A printer 1 shown in FIG. 1 performs printing by an inkjet method, and is packaged with a main body case member 10 and a front case member 11. The main body case 10 includes a printing mechanism such as the print head 52 and the conveying roller 51 and a substrate for controlling the printer, and the front case member 11 includes an ink cartridge (not shown) filled with ink. These printing mechanism, substrate and ink cartridge are supported by a frame member 20.
[0011]
The front case 11 is provided with an ink cartridge cover 12 for inserting an ink cartridge. The ink cartridge cover 12 is pivotally supported relative to the front case 11. The user can replace the ink cartridge by opening the ink cartridge cover 12.
[0012]
A roll paper cover 13 for replacing the roll paper 50 is disposed at the front of the main body case. The roll paper cover 13 is pivotally supported with respect to the main body case 10 and rotates together with the paper outlet 53. The user can operate the paper outlet 53 to unlock the cover, open the roll paper cover 13, and replace the roll paper 50.
[0013]
The operation of the printer 1 during printing is as follows. In the printer 1, data created by the host computer is sent to the control board 30 through the cable 42, and when a print command is received, the roll paper 50 inside the printer main body is transported by the transport roller 51. A print head 52 mounted on a carriage (not shown) has a large number of nozzles aligned at the tip, and prints on paper by ejecting ink supplied from an ink cartridge from these nozzles. The printed recording paper is transported by the transport roller 51 and discharged to the outside from a paper outlet 53 disposed on the front surface of the printer 1.
[0014]
The board 30 for controlling the printer 1 is arranged in the back and vertical directions in the printer 1 main body, and the connector connecting portions 20a and 20b are arranged in the lower rear part. The connector housing portion having the connector connecting portions 20a and 20b has a space in which the connector housing and the cable are bent and accommodated.
[0015]
The printer 1 uses roll paper 50 as recording paper, and the roll paper 50 is disposed adjacent to the front of the connector storage portion having the connector connection portion 20a. A slope portion 20 c is formed by the frame 20 along the rear lower side of the roll paper 50.
[0016]
Cutouts 10a are formed at the corners of the side surface and the back surface of the main body case 10 to allow cables connected to external devices to pass therethrough.
[0017]
FIG. 2 is a perspective view showing a connector connecting portion in the printer 1. A plurality of connectors 40 are arranged in the connector connection portions 20a and 20b so as to be connected to a host computer, a power source, a display and other peripheral devices. In general, the connector housing connected to the host computer is larger than the other connector housings, the first connector connecting portion 20a is formed by the frame 20, and the other connector connecting portion is the second connector connecting portion. 20 b is formed by the frame 20. The distance between the opening of the connector storage portion of the connector connection portions 20a and 20b and the connection portion is such that the connector is connected and the cable that is bent with the connector housing can be stored in the printer main body.
[0018]
As described above, the connector housing portion disposed so that the connector housing is accommodated, and at least one of the inner peripheral surfaces of the connector housing portion is directed from the connector connecting portion toward the opening of the connector housing portion. It has a wide slope.
[0019]
For this reason, the connector connecting portion can be accommodated in the printer main body, and the projected area of the printer can be realized as an actual occupied space. In addition, a printer that issues a receipt printed on items such as sales items and sales amount used in a store or the like is installed on a sales counter, and the back of the printer is the front of the customer. Also in this case, the connector connecting portion is accommodated, and the connector connecting portion is not exposed. As a result, it is possible to prevent connection failure due to unexpected contact with the connector or mischief of the child.
[0020]
In a printer that uses roll paper as the recording paper, the roll paper is provided adjacent to the inclined surface, so that the space at the lower rear of the roll paper becomes an operation space for inserting and removing the connector, and the connector is housed inside the printer body. Thus, the connector can be easily inserted and removed.
[0021]
With the above configuration, the printer main body can be realized in a compact manner while the connector connecting portion is housed in the printer main body, and the connector can be easily inserted and removed.
[0022]
As mentioned above, although one embodiment of the present invention has been described with reference to the drawings, the present invention is not limited to the matters shown in the above-described embodiment, the description of the claims and the detailed description of the invention, and the well-known technology. Based on the above, a range in which those skilled in the art can make changes and applications thereof is included.
[0023]
For example, in the above-described embodiment, the slope portion is disposed only in the first connector housing portion, but the slope portion may be disposed up to the second connector housing portion. Moreover, although the opening of the connector housing portion is arranged so as to be the bottom surface, the opening of the connector housing portion may be arranged so as to be the back surface.
[0024]
【The invention's effect】
As described above, according to the present invention, the connector connecting portion can be accommodated in the printer main body, and the occupied space can be reduced. In addition, the connector connection portion is not exposed from the back of the printer, and connection failure due to external force can be prevented.
[0025]
By providing the connector housing with the inclined surface, an operation space for inserting and removing the connector is provided, and the connector can be easily inserted and removed.
[0026]
As described above, the printer main body can be realized in a compact manner while the connector connecting portion is housed in the printer main body, and the connector can be easily inserted and removed.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram of a printer according to an embodiment of the present invention.
FIG. 2 is an external perspective view of a connector connecting portion.
FIG. 3 is a schematic configuration diagram showing a conventional connector connection structure.
FIG. 4 is a schematic configuration diagram showing a conventional connector connection structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Printer 10 Main body case 10a Main body case notch part 11 Front case 12 Ink cartridge cover 13 Roll paper cover 20 Frame 20a 1st connector connection part 20b 2nd connector connection part 20c Slope part 30 Board | substrate 40 Connector 41 Connector housing 42 Cable 50 Roll paper 51 Conveying roller 52 Print head 53 Paper exit

Claims (4)

In printers that use roll paper,
A case that covers the components that realize the functions of the printer;
A connector housing portion disposed so that a connector for connecting to an external device is accommodated in a part of the case;
At least one surface of the inner peripheral surface of the connector housing portion is formed so as to be inclined so that the connector housing portion widens from the connection portion of the connector toward the opening of the connector housing portion,
Have
The printer according to claim 1 , wherein the roll paper is disposed on a back side of the slope portion when viewed from the connector housing portion .   The printer according to claim 1, wherein the connector housing portion is arranged so that the opening portion is a bottom surface.   The printer according to claim 2, further comprising a cutout portion through which a cable connected from the connector housing portion to an external device passes on the side surface of the case.   The printer according to claim 3, wherein the substrate for controlling the printer is arranged on the back surface in the printer main body and in the vertical direction.

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