JPH106611A - Recording apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent trouble such as the disconnection of a harness or the fall-off of a connector apt to generate at the connection part of a recording head and the harness at a time of the scanning movement of the recording head. SOLUTION: After the harness connector 6 of the leading end of a harness 3 is inserted in the head connector provided on the rear surface of a recording head 1 to be connected thereto, a fixing metal fitting 22 is fixed to the side surface of the recording head 1 and the harness connector 6 is fixed to the fixing metal fitting 22 and, further, the harness 3 is fixed and held to the fixing metal fitting 22 by an auxiliary metal fitting 23 and a bundling band 25. By this constitution, the force acting on the harness 3 by the movement of the recording head and the force acting on the harness connector 6 can be received by the fixing metal fitting 22 and trouble such as the disconnection of the harness or the fall-off of the connectors can be avoided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording apparatus of the type which performs recording by scanning and moving a recording head arranged opposite to a recording surface of a recording medium in parallel with the recording surface.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, a recording head 1 arranged opposite to a recording surface of a recording medium held on an outer peripheral surface of a rotary drum (not shown), and a recording head for the recording head, as shown in FIG. The recording head 1 includes a carriage 2 for moving the head 1 in the direction of arrow AA along the recording surface, and a harness 3 such as a loose wire harness connected to the recording head 1. The image is recorded by scanning only. Usually, the harness 3 is fixed at a point B located in the middle of the movement stroke of the recording head 1, and the harness 3 between the point B and the recording head 1 is deformed as the recording head 1 moves. . FIGS. 7 and 8 show a connection structure between the recording head 1 and the harness 3.
As shown in FIG. 2, a head-side connector 5 attached to a base is provided on the back surface of the recording head 1, while a harness 3 such as a card edge connector that can be fitted to the head-side connector 5 is provided at the tip of the harness 3. The connector 6 was attached by soldering, and was connected by fitting the connectors 5 and 6 together.

[0003]

However, in such a configuration, when the recording head 1 moves, the harness 3 is pulled by the recording head 1 and deformed as shown by two-dot chain lines 3A and 3B in FIG. Therefore, a tensile force or a bending force is directly applied to a fitting portion between the head-side connector 5 and the harness-side connector 6 and a connection portion between the harness-side connector 6 and the harness 3, and the harness-side connector 6 comes off from the head-side connector 5. ,
There has been a problem that the connector terminal is damaged or a disconnection occurs at a connection portion between the harness side connector 6 and the harness 3. There is also a problem that when the harness 3 is curved as shown by a two-dot chain line 3B, the harness 3 hits the recording head 1 and causes a scratch.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a recording apparatus which ensures the connection of a harness to a recording head and avoids the problem of disconnection or disconnection of a connector. The purpose is to:

[0005]

According to the present invention, when a recording head and a harness are connected to each other by fitting a connector, a harness-side connector and / or
Alternatively, the harness near the harness-side connector is fixed to the recording head using fixing means.
With this configuration, the force applied to the harness during the movement of the recording head or the force applied to the harness-side connector from the harness can be received by the fixing means, and the connection between the head-side connector and the harness-side connector can be protected. It is possible to prevent the connector from being disconnected or being disconnected.

[0006]

According to a first aspect of the present invention, there is provided a recording head which is provided so as to move in parallel with a recording surface and has a head-side connector on a back surface, and a front end connected to the head-side connector. And a connector fixing means for fixing the harness-side connector to the recording head in a state where the harness-side connector is connected to the head-side connector. It is what it was. With this configuration, even if the harness side connector is pulled by the harness, the force acting on the harness side connector is supported by the connector fixing means, and therefore, the harness side connector is prevented from being pulled out from the head side connector.

According to a second aspect of the present invention, there is provided a recording head provided so as to move in parallel to a recording surface and having a head-side connector on the back surface, and a harness-side connector connected to the head-side connector at a front end. And a harness fixing means for fixing a harness near the harness side connector to the recording head in a state where the harness side connector is connected to the head side connector. Things. With this configuration, even if a force is applied to the harness, the force is supported by the harness fixing means, so that the force is applied to the connection portion between the harness-side connector and the harness and the fitting portion between the harness-side connector and the head-side connector. This prevents troubles such as disconnection of the harness, disconnection of the harness-side connector from the head-side connector, and breakage of the connector terminal.

According to a third aspect of the present invention, the harness fixing means clamps and holds the side surfaces of the harness on the front and rear sides in the recording head moving direction, and a flexible member disposed between the metal member and the harness. And a plate material having a characteristic property. With this configuration, when the recording head moves, when the harness bends, the side where the deflection occurs can be received by the flexible plate material. The harness can be restrained so as to be curved, and damage to the harness can be prevented.

According to a fourth aspect of the present invention, there is provided a recording head provided so as to move in parallel to a recording surface and having a head-side connector on a back surface, and a harness-side connector connected to the head-side connector at a front end. In a recording apparatus having a harness provided, a fixing means for fixing the harness side connector and a harness near the harness side connector to the recording head in a state where the harness side connector is connected to the head side connector, Further, the fixing means has a configuration in which the harness-side connector and a harness near the harness-side connector are held and a common fixing metal is fixed to the recording head.
With this configuration, according to the present invention, not only the harness side connector but also the harness near the harness side connector can be fixed to the recording head, and the connection between the recording head and the harness can be more reliably protected. , Disconnection of the connector terminal, or disconnection of the harness side connector from the head side connector can be more reliably prevented.

[0010]

Embodiments of the present invention shown in the drawings will be described below. FIG. 1 is a schematic plan view showing a recording apparatus according to an embodiment of the present invention, and the same parts as those in the conventional example shown in FIGS. In FIG. 1, reference numeral 11 denotes a rotating drum which holds and rotates a recording medium, and four recording heads 1 are arranged so as to face the recording surface of the recording medium held by the rotating drum 11. Each recording head 1 is held by a carriage 2, and the carriage 2 has a linear motor 12 provided in parallel with the axis of a rotary drum 11.
Is held in. Thus, each of the four recording heads 1 scans a predetermined area of the recording medium held on the rotating drum 11 to record an image on the recording medium. The recording head 1 according to the present embodiment
Is a type that performs image recording by laser beam irradiation.

Reference numeral 3 denotes a harness connected to each recording head 1; 14 denotes a wiring moving table which is disposed behind the four recording heads 1 and moves while holding the harness 3 from the recording head 1; The guide 15 is movably held by a guide 15 arranged in parallel with the guide 12. The wiring moving table 14 is stopped at the illustrated position during the recording operation.
The recording head 1 is a rotating drum 1 for power check etc.
When the recording head 1 is moved to a position deviated from the recording head 1, it is connected to the carriage 2 of one recording head 1 and is movable with the carriage 2. The wiring moving table 14 is provided with a fixture 16 for holding the harness 3 connected to each recording head 1, and the position of the fixture 16 is such that the corresponding recording head 1 is used for image recording. It is set so as to be located substantially at the center of the moving stroke for scanning.

Next, a mechanism for connecting the harness 3 to the recording head 1 will be described. 2 is a schematic perspective view showing the recording head 1 and the harness 3, FIG. 3 is a schematic plan view showing a connecting portion between the recording head 1 and the harness 3, FIG. 4 is an exploded perspective view showing the connecting portion, and FIG. FIG. 2 is a schematic perspective view of a recording head. The recording head 1 has a head-side connector 5 attached to a base on the back surface thereof, while a harness 3 (only one of the loose wires constituting the harness 3 is shown in FIG. 4 to simplify the drawing). (Shown), a harness-side connector 6 composed of a card edge connector that can be fitted to the head-side connector 5 is attached by soldering. Therefore, by fitting the harness-side connector 6 to the head-side connector 5, both connectors 5,
6 can be connected.

Reference numeral 20 denotes a connector fixing means for fixing the harness-side connector 6 to the recording head 1 in a state where the harness-side connector 6 is connected to the head-side connector 5, and a harness near the harness-side connector 6 to the recording head 1. This is a fixing means which also has a head fixing means for fixing the head.
The fixing means 20 includes a fixing metal 22 fixed to the side surface of the recording head 1 with screws 21, an auxiliary metal fitting 23 for holding the harness 10 by holding the harness 10 in cooperation with the fixing metal 22, and a resin plate or the like. Two flexible plate members 24,
A binding band 25 and the like are provided. The fixing bracket 22 is attached to a side surface of the recording head 1 by a screw 21 and is bent substantially at right angles to the mounting portion 22a.
Connector holding portion 2 fixed and held by nut 28 or the like
2b, and a harness holding portion 22c provided at the center of the connector holding portion 22b so as to extend substantially at a right angle. The tip of the harness holding portion 22c is curved in a direction away from the harness 3 to be held, and Can be easily curved. Further, a hole 29 for passing the binding band 25 is formed in the harness holding portion 22c. The auxiliary fitting 23 has a shape symmetrical to the tip of the harness holding portion 22 c of the fixing fitting 22, has a tip bent in a direction away from the harness 3, and has a hole 30 through which the binding band 25 passes. I have. Plate 24
Also has a hole 31 through which the binding band 25 passes. Further, as can be clearly understood from FIG.
Are set so as to extend beyond the front ends of the harness holding portion 22c and the auxiliary fitting 23, which are fixed by sandwiching them. Here, as can be clearly understood from FIG. 3, the harness 3 is provided on the front and rear sides of the harness 3 with respect to the recording head moving direction indicated by the arrow A-A. Are arranged so as to be fixed and held by sandwiching the side surfaces thereof.

A method of using the harness connection structure of the recording apparatus configured as described above will be described. At the time of harness connection, first, the harness-side connector 6 attached to the tip of the harness 3 is inserted into the head-side connector 5 on the back of the recording head 1 for connection. Next, the fixing bracket 22 is fixed to the side surface of the recording head 1 with the screw 21, and the connector holding portion 2 of the fixing bracket 22 is fixed.
2b is fixed to the harness side connector 6 with screws 27, nuts 28 and the like. Thereby, the harness side connector 6
Is fixed to the side surface of the recording head 1 via the fixing bracket 22. Next, plate members 24 are arranged on both sides of the harness 3 in the vicinity of the harness side connector 6, and further, auxiliary metal members 23 are arranged outside the plate members 24 arranged on the side opposite to the harness holding portion 22b, and the binding band 25 is attached. Then, the whole is fixed as shown by a dashed line 33 in FIG. This allows
This means that the harness 3 is fixed and held by the harness holding portion 22 b and the auxiliary fitting 23, and is fixed to the recording head 1 via the fixing fitting 22. Here, by using the binding band 25 for fixing the harness holding portion 22b and the auxiliary fitting 23, this fixing work can be performed very easily.

In this state, the recording head 1 is
1 (see FIG. 1), and performs image recording on a recording medium attached to the outer peripheral surface of the rotating drum 11. By the scanning movement of the recording head 1 at this time, the harness 3 connected to the recording head 1 is deformed from the state shown by the two-dot chain line 3A to the state shown by the two-dot chain line 3B in FIG. , A pulling force or a bending force acts on the harness-side connector 6, and a force for pulling the harness-side connector 6 or bending the harness-side connector 6 right and left acts. However, since the harness 3 is fixed and held by the harness holding portion 22b and the auxiliary fitting 23, and the fixing fitting 22 having the harness holding portion 22b is fixed to the side surface of the recording head 1,
As a result, the fixture 22 receives the force acting on the harness 3, and the force is not transmitted much to the harness-side connector 6. For this reason, the harness 3 is rarely pulled from the harness side connector 6, which may cause a disconnection at the connection portion between the harness side connector 6 and the harness 3, or the harness side connector 6 may come off from the head side connector 5. Trouble is avoided. Also,
Since the harness side connector 6 is hardly bent right and left, the connector terminal is hardly damaged. Further, by arranging the flexible plate member 25 at the portion where the harness 3 is fixed and held, the plate member 25 elastically holds the harness 3 and restricts the harness 3 to be curved at a gentle curvature. Therefore, it is possible to prevent the harness from being flawed or broken. In addition, fixing bracket 2
By bending the tip of the second fitting 2 and the auxiliary metal fitting 23 outward, the harness 3 and the plate 25 are not prevented from bending left and right, and the harness 3 does not interfere much with the movement of the recording head 1.

Further, the harness side connector 6 is provided with the fixing fitting 2.
2 and is fixed to the side surface of the recording head 1 via
Even if the force from the harness 3 acts on the harness side connector 6, the force is received by the fixing bracket 22,
It hardly acts on the fitting portion between the harness-side connector 6 and the head-side connector 5, so that the harness-side connector 6
It is possible to prevent troubles such as disconnection or breakage of the connector terminal.

In the above embodiment, the fixing bracket 22 is
The connector fixing means for fixing the harness-side connector to the recording head and the harness fixing means for fixing the harness in the vicinity of the harness-side connector to the recording head are also provided. However, the present invention is not limited to this configuration. The means and the harness fixing means may be constituted by separate members. However, it is preferable to use a common fixing bracket 22 as in the illustrated embodiment because the number of components can be reduced.

[0018]

As described above, according to the present invention, in a state where the harness side connector provided at the tip of the harness is connected to the head side connector provided on the recording head, the harness side connector is connected to the recording head. By providing the connector fixing means for fixing, even if a tensile force or a bending force is applied to the harness side connector by the harness, the force acting on the harness side connector can be received by the connector fixing means. This has the effect that the connector does not come off from the head side connector and the connector terminal is not damaged.

Further, according to the present invention, a harness for fixing a harness near the harness side connector to the recording head in a state where the harness side connector provided at the tip of the harness is connected to the head side connector provided on the recording head. By providing the fixing means, even if a tensile force or a bending force acts on the harness, the force can be received by the harness fixing means, so that the connection portion between the harness side connector and the harness and the harness side connector can be used. No force is applied to the mating part with the head-side connector. This has the effect of preventing problems such as disconnection of the harness, disconnection of the harness-side connector from the head-side connector, and breakage of the connector terminals. doing.

Further, according to the present invention, there is provided a metal fitting in which the above-mentioned harness fixing means is arranged so as to clamp the front and rear side surfaces of the harness in the recording head moving direction, and between the metal fitting and the harness. With the configuration including the flexible plate material, the plate material elastically supports the harness when the recording head moves, and the harness can be curved with a gentle curvature, thereby preventing damage to the harness. have.

Further, according to the present invention, the harness connector and the harness near the harness connector are shared by a head connector provided on the recording head and a harness connector provided at the tip of the harness. By providing the fixing means configured to fix the recording head to the recording head by using the fixing metal, the force acting on the harness and the force acting on the harness side connector can be received by the fixing means. This has the effect that the connection portion can be more reliably protected and troubles such as disconnection of the harness, disconnection of the harness side connector from the head side connector, and breakage of the connector terminal can be more reliably prevented.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing a recording apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic perspective view showing a recording head and a harness in the recording apparatus shown in FIG.

FIG. 3 is a schematic plan view showing a connection portion between a recording head and a harness shown in FIG. 2;

FIG. 4 is an exploded perspective view showing a connection portion shown in FIG. 3;

FIG. 5 is a schematic perspective view of a recording head used in the embodiment of FIG.

FIG. 6 is a schematic perspective view showing a recording head and a harness in a conventional recording apparatus.

FIG. 7 is a schematic plan view showing a connection portion between a recording head and a harness shown in FIG. 6;

FIG. 8 is a schematic perspective view of a conventional recording head.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Recording head 2 Carriage 3 Harness 5 Head side connector 6 Harness side connector 11 Rotary drum 12 Linear motor 14 Wiring moving stand 15 Guide 16 Attachment 20 Fixing means 21 Screw 22 Fixing bracket 22a Attachment part 22b Connector holding part 22c Harness holding part 23 Auxiliary metal fittings 24 Plate material 25 Cable ties 27 Screws 28 Nuts 29, 30, 31 holes

Claims (4)

[Claims] 1. A recording head provided so as to move in parallel with a recording surface and having a head-side connector on a back surface, and a harness having a harness-side connector connected to the head-side connector at a tip end. A recording apparatus having connector fixing means for fixing the harness side connector to the recording head while the harness side connector is connected to the head side connector. 2. A recording head provided so as to move in parallel to a recording surface and having a head-side connector on a back surface, and a harness having a harness-side connector connected to the head-side connector at a tip end. A recording apparatus having a harness fixing means for fixing a harness near the harness side connector to the recording head in a state where the harness side connector is connected to the head side connector. 3. The harness fixing means includes a metal fitting for holding the side of the front and rear sides of the harness in the recording head moving direction, and a flexible plate disposed between the metal fitting and the harness. 3. The recording apparatus according to claim 2, wherein: 4. A recording head provided so as to move in parallel to a recording surface and having a head-side connector on a back surface, and a harness having a harness-side connector connected to the head-side connector at a tip end. In a state where the harness-side connector is connected to the head-side connector, the harness-side connector and fixing means for fixing a harness near the harness-side connector to the recording head are provided, and the fixing means includes the harness-side connector and the A recording apparatus, comprising: a common fixing bracket that holds a harness near a harness-side connector and is fixed to the recording head.