JPH045665A - Recorder - Google Patents

Abstract

PURPOSE:To reduce the number of parts and to improve workability by dividing a device main body into plural numbers, releasing them, and providing an electrical substrate inside a covering part covered with an opening/closing member provided on an internal exposing part exposed by releasing. CONSTITUTION:The device main body 11 is composed of two upper and lower part units 12 and 13 capable of being separated and released, a cover 41 is provided on the exposing part 13b of the lower part and the inside of the lower part unit 13, and the electrical substrate 47 is provided inside the covering part 45. This recorder releases a locking mechanism, and turns the upper part unit 12 upward while centering a rotary shaft, so that an internal locking switch provided between the units 12 and 13 is activated electric circuit is released, and a driving device is not automatically operated. Then, the cover 41 is opened from the side of the exposing part 13b, approached to the substrate 47, and comes into contact with there, and necessary maintenance service working is executed. Thus, the workability of maintenance service can be greatly improved.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a recording device, such as an electrophotographic device, a copying machine, a printer, a facsimile machine, etc., and particularly a controller configured with an electrical board inside the device body. The present invention relates to a recording device equipped with.

[Conventional technology]

As a conventional recording device, for example, Utility Model No. 64-540
There is one described in Publication No. 48 (hereinafter referred to as Publication A). This allows a part of the control section (corresponding to the controller having the electrical board of the present invention) to be replaced by opening the front cover that includes the operation display section of the device.

In addition, as a conventional recording device, Japanese Patent Application Laid-Open No. 63-23605
There is one described in Publication No. 2 (hereinafter referred to as Publication B). In this device, an electric circuit board is housed inside a main body cover on the upper side of the device forming a paper ejection tray, and a part of the main body cover is provided with an opening/closing member for opening the electric circuit board to the outside.

Furthermore, as a conventional recording device, JP-A-60-17
There is also one described in Publication No. 0869 (hereinafter referred to as Publication C). In this device, a printed circuit board serving as a controller is housed in the lower part of the device body, and the printed circuit board can be taken out by opening the lower part of the main body cover.

[Problem to be solved by the invention]

However, in the conventional recording devices described in the above-mentioned publications A, B, and C, the front cover, which is the exterior cover of the device main body, or a part of the main body cover is required to approach and contact the electrical board. Since the structure includes an opening and an opening/closing member to open the external cover, the aesthetics of the external cover must be taken into account, making the configuration of the external cover complex and resulting in high parts and assembly costs. be.

In addition, in order to prevent touching the electrical board while the device is powered on, a safety switch is specially installed and wired on the exterior cover to turn off the power when the exterior cover is opened or closed. This also has the problem of further increasing costs.

Furthermore, in the device described in Publication C, the controller is inserted and removed from the bottom of the device, which is the side opposite to the paper ejection tray. The problem is that it is difficult and time-consuming.

[Purpose of the invention]

Therefore, the present invention makes it possible to divide and open the main body of the device into a plurality of parts, and installs the electrical board in the covering part covered by the opening/closing member provided on the inner exposed part exposed by opening, so that the electrical board can be accessed from the inner exposed part side. Accessible and contactable, there is no need to open or install an opening/closing member on the exterior cover, the appearance of the exterior can be easily maintained, and there is no need to install a special safety switch for opening/closing detection on the opening/closing member of the exterior cover. It is an object of the present invention to provide a recording device that has a small number of parts, can reduce parts costs and assembly costs, and can improve workability.

[Means to solve the problem]

In order to achieve the above object, the present invention is capable of dividing a device main body into a plurality of parts, which can be opened, and includes an exterior cover portion forming the outer surface of the device body, and an inner surface exposed after the exterior cover portion when the device body is opened. 1. A divided body having an exposed part, an opening/closing member provided on the inner exposed part of the divided body and capable of opening and closing, and an electrical board attached to a covering part covered by the opening/closing member in the divided body.1. It is characterized in that the electrical equipment board can be approached and contacted from the inside exposed portion side of the divided body.

Hereinafter, the present invention will be explained based on examples.

FIG. 1.2 is a diagram showing a first embodiment of a recording apparatus according to the present invention.

First, the configuration will be explained. In FIG. 1, IO is an electrophotographic laser printer, and the laser printer 10 has an apparatus main body 11 consisting of an upper unit 12 which is a divided body in the upper part of the central part, and a lower part and lower part of the central part. Lower unit 1 which is a divided body of continuous both side parts
It can be divided into two parts, 3 and 3. The upper unit 12 is the second
It can be opened upwardly about a rotating shaft 15 shown in the figure, and FIG. 1 shows a state in which the upper unit 12 is divided and opened upwardly.

The laser printer 10 includes an upper unit 12 and a lower unit 13 before being separated and opened (a cross section is shown in FIG. 2).
The upper exterior cover portion 12 of the upper unit 12 that forms the outer surface of the device main body 11 when assembled integrally.
a, and a lower exterior cover portion 13a of the lower unit 13, and as shown in FIG.
2 around the rotation shaft 15 and split open, the upper exterior cover 12a is inside the exposed upper unit 12.
and a lower inner exposed portion 12b that continues to the lower exterior cover 13a inside the lower unit 13.
It has

Laser printer 10 has a conventional, well-known internal configuration. As shown in Figure 2, 2o is a paper container, P
is the paper, 21 is the paper feed roller, 22 is the registration roller, 2
3 is a transfer device. 24 is a cylindrical photoreceptor, and around the photoreceptor 24, a cleaning device 25, a charging device 26, a laser optical device 27, and a developing device 28 are provided. 29 is a fixing device, 3o and 32 are paper discharge rollers, and 31 is a switching guide for switching the paper discharge direction.

The upper unit 12 includes the photoreceptor 24, the cleaning device 25, the charging device 26, the laser optical device 27, the developing device 28, and the paper discharge roller 32, and the lower unit 13 includes the paper feed roller 21, the registration roller 22, The transfer device 23, the paper ejection roller 30, and the switching guide 31 are each divided into sections.

Although not shown, there is also a lock mechanism when the upper unit 12 and lower unit 13 are integrally closed, and a safety switch for turning on and off the electric circuit so that the drive device does not operate when the upper unit 12 and lower unit 13 are opened. Some interlock switches etc. are connected to upper unit 12 and lower unit 1.
3.

As shown in FIG. 1, a plate-shaped cover 41, which is an opening/closing member that can be opened and closed by a hinge or hook 40, is attached to a part of a rectangular side plate 13c on the lower inner exposed portion 13b of one side of the lower unit 13. and screw 42 on the side +
It is locked to N15c. Inside one side of the lower unit 13 is a box-shaped covering section 4 partially covered by a cover 41.
An electrical board 47 (not shown in the figure), which is a controller that controls the laser printer 10, is provided in the covering part 45 at a location that can be approached and contacted from the lower inner exposed part 13b side by opening the cover 41. (shown with a two-dot chain line) is attached. The box-shaped covering portion 45 is made of a sheet metal, is grounded to the device main body 11, and has the function of shielding the electrical equipment board 47 from electromagnetic waves. The electrical equipment board 47 has parts necessary for normal maintenance services, such as a switch for switching the mode of the controller and a mounting part for additional memory, in a part that can be approached and touched from the lower inner exposed part 13b side when the cover 41 is opened. .

In the above-mentioned embodiment, the cover 41 is a plate-shaped opening/closing member, but in the present invention, the cover 41 may be a looper, electromagnetic shielding transparent glass, or the like. Thereby, the electrical equipment board 47 can be easily detected visually or the like.

Next, the effect will be explained.

The apparatus main body 11 of the recording apparatus of the present invention consists of two upper and lower units 12 and 13 that can be separated and opened.
Since the cover 41 is provided on the lower inner exposed portion 13b of 3, and the electrical board 47 is provided within the covering portion 45, the recording device first releases the locking mechanism and moves the upper unit 12 upward around the rotation shaft 15. By rotating the inner lock switch provided between the upper unit 12 and the lower unit 13, the electric circuit is opened and the drive device is no longer automatically operated.

Next, the cover 41 is opened from the side of the lower inner exposed portion 13b, and the electrical equipment board 47 is approached and contacted, thereby allowing necessary maintenance service work to be performed easily and quickly.

Therefore, the workability of maintenance services can be greatly improved.

Furthermore, when the device body 11 is divided and opened into the upper unit 12 and the lower unit 13, the electric circuit is opened (OFF), so a safety switch is not required when opening and closing the cover 41. The number of parts is reduced, and parts costs and assembly costs can be reduced.

In addition, a cover 4 for servicing the electrical board 47 is also provided.
1 is provided on the lower inner exposed portion 13b of the lower unit 13, the configuration of the lower exterior cover 13a and the upper exterior cover 12a of the device main body 11 can be easily configured, and the appearance and shape can be determined regardless of the cover 41. The appearance of the exterior cover can be improved.

Next, a second embodiment of the present invention will be described.

FIG. 3 is a diagram schematically showing a second embodiment of the recording apparatus according to the present invention when opened in sections, and the same components as in the first embodiment are given the same reference numerals.

In the recording device 50 of the second embodiment, the device main body 11 can be divided into an upper unit 52 and a lower unit 53,
The cover 41 covers the lower inner exposed portion 53b of the lower unit 53.
The electrical equipment board 47 is attached within the covering portion 45 on the lower side of the cover 41 within the lower unit 53.

Next, a third embodiment of the present invention will be described.

FIG. 4 is a diagram schematically showing a third embodiment of the recording apparatus according to the present invention when opened in sections, and the same components as in FIG. 1 are given the same reference numerals.

In the recording device 55 of the third embodiment, the device main body 11 can be divided into an upper unit 57 and a lower unit 58,
The cover 41 covers the upper inner exposed portion 57b of the upper unit 57.
The electrical equipment board 47 is installed within the covering portion 45 above the cover 41 within the upper unit 57.

〔effect〕

As explained above, according to the present invention, the main body of the device can be divided and opened into a plurality of parts, and the electrical board is installed in the covering part covered with the opening/closing member provided on the inner exposed part exposed by opening. It is possible to approach and contact the electrical circuit board from the side, there is no need to open the exterior cover or install an opening/closing member, the appearance of the exterior can be easily maintained, and a special safety switch for opening/closing detection is installed on the opening/closing member of the exterior cover. No installation is required, the number of parts is small, parts costs and assembly costs can be reduced, and work efficiency can be greatly improved.

[Brief explanation of drawings]

1 and 2 are diagrams showing a first embodiment of the recording apparatus according to the present invention. FIG. 1 is a perspective view of the whole when it is opened and divided, and FIG. 2 is a schematic diagram showing its configuration. FIG. 3 is a partially sectional schematic diagram showing a second embodiment of the recording apparatus according to the present invention. FIG. 4 is a partially sectional schematic diagram showing a third embodiment of the recording apparatus according to the present invention. 0.50.55...Laser printer (recording device), 11...Device main body, 12.52.57...Upper unit (divided body)
13.53.58・・・Lower unit (divided body)
12a... Upper exterior cover (exterior cover) 13
a... Lower exterior cover (exterior cover) 12b.
...Top inner exposed part (inner exposed part) 13b...
...Lower inner exposed part (inner exposed part) 53b...
・Lower inner exposed part (inner exposed part) 57b... Upper inner exposed part (inner exposed part) 41... Cover (
opening/closing member), 45... covering part, 47... electrical equipment board.

Claims (1)

[Claims] A divided body that is capable of dividing a device body into a plurality of parts that can be opened, and has an exterior cover portion forming an outer surface of the device body and an inner exposed portion that is exposed when the device body is opened following the exterior cover portion; and the divided body. an opening/closing member that is provided on an exposed inner side of the divided body and can be opened and closed; and an electrical board attached to a covering part covered by the opening/closing member within the divided body; A recording device characterized by being accessible and contactable.