KR20060068328A - Structure for coupling of a full eraser head of a tape recorder - Google Patents

Abstract

The present invention relates to a full width erasing head coupling structure of a tape recorder. In the structure in which the full width erasing head (120) of the tape recorder is coupled to the base plate (110), the fixing hole (111) and the guide in the base plate (110). Holes 112 are formed respectively, and the fixing hole 111 is formed such that the inner surface 111a is inclined so that the inner diameter thereof becomes smaller toward the upper side, and the fixing hole 111 and the guide hole 112 in the full width elimination head 120. Lag 121 and guide protrusions 122 are respectively inserted into the lag 121 is formed, and the lag (in the fixing hole 111) by applying an elastic force to the inner surface 111a of the fixing hole 111 on the outer circumferential surface of the lag 121. An elastic piece 123 for fixing 121 is provided. Accordingly, the present invention reduces the cost of purchasing the fixed parts by fixing the full width head on the base plate without using the fixing parts such as screws, and improves the assembly by simply fixing the full width head on the base plate. Has the effect of letting.

Description

STRUCTURE FOR COUPLING OF A FULL ERASER HEAD OF A TAPE RECORDER}

1 is a plan view showing a tape recorder according to the prior art,

2 is a view schematically showing a traveling system of a tape recorder according to the related art,

Figure 3 is an exploded perspective view showing a full width eraser head coupling structure of a tape recorder according to the prior art,

Figure 4 is an exploded perspective view showing a full-width erasing head coupling structure of the tape recorder according to the present invention,

Figure 5 is a cross-sectional view showing a full-width erasing head coupling structure of the tape recorder according to the present invention.

<Description of Symbols for Main Parts of Drawings>

110: base plate 111: fixing hole

111a: inner side 112: guide hole

120: full width cleaning head 121: lag

122: guide protrusion 122a: horizontal holding end

123: elastic piece 124: body                 

125: head

The present invention relates to a full width eraser head coupling structure of a tape recorder, and more particularly, to a full width eraser head coupling structure of a tape recorder for easily fixing a full width eraser head on a base plate without using a fixing component such as a screw. will be.

In general, tape recorders such as video cassette recorders (VCRs) or camcorders allow the video heads provided to the head drum assembly to move at a relatively low speed on the outer periphery of the high speed rotating head drum assembly. An apparatus for recording a video signal on a magnetic recording tape or for reproducing a recorded signal.

A conventional tape recorder will be described with reference to the accompanying drawings.

1 is a plan view showing a tape recorder according to the prior art, and FIG. 2 is a view schematically showing a traveling system of the tape recorder according to the prior art. As shown, the conventional tape recorder is equipped with a head drum 20 behind the upper surface of the base plate 10, the loading holes (21, 22) are formed on both sides of the head drum (20), respectively.

In the loading holes 21 and 22 of the base plate 10, pole base assemblies 23 and 24 for loading the tape Ta of the cassette Ca to the head drum 20 are located. . The pole base assemblies 23 and 24 are divided into the pole base assembly 23 on the side supplied from the cassette Ca and the pole base assembly 24 on the side wound with the cassette Ca.

The base plate 10 has a capstan motor 25 installed on a lower surface thereof, and a pinch roller 27 adheres to the shaft 26 of the capstan motor 25 to drive the tape Ta. Let's do it.

A take-up guide post 28 is mounted to be adjacent to the shaft 26 of the capstan motor 25. The take-up guide post 28 allows the tape Ta to come in contact with each other and constantly run while being guided.

The base plate 10 is provided with an AC head (audio / control head) 29 which contacts the tape Ta passing through the pole base assembly 24 on the wound side and reads out audio and control signals. The tape Ta passing through the head 29 is restrained from the downward flow during movement by the locking jaw 28a (shown in FIG. 2) formed under the outer circumferential surface of the take-up guide post 28 so as not to deviate from the normal driving path. Will not.

On the side where the tape Ta is supplied from the cassette Ca, the full width erasing head 30 which contacts the tape Ta and erases the recorded contents of the tape Ta before the tape Ta moves to the head drum 20. Is installed.

As shown in FIG. 3, the all-width erasing head 30 is coupled to the head 31 to be exposed to one side of the body 32, and is inserted into an insertion groove formed on the base plate 10 at the bottom of the body 32. Lag 33 to be fitted is formed, the screw coupling portion 34 is fixed to the screw hole 12 formed on the base plate 10 on one side of the body 32 with a screw (S).                         

However, the full width erasing head 30 of the tape record according to the related art is fixed on the base plate 10 using the screw S, which is not only cumbersome to assemble, but also the cost of using the screw S. Had the problem of elevating.

The present invention is to solve the above-mentioned conventional problems, the object of the present invention is to reduce the cost of purchasing the fixed parts by fixing the full width erasing head on the base plate without using the fixing parts such as screws, full width It is an object of the present invention to provide a tape recorder coupling structure of a tape recorder that can be easily fixed by fixing an erase head on a base plate.

According to the present invention for realizing the above object, in the structure in which the full width erasing head of the tape recorder is coupled to the base plate, the fixing hole and the guide hole are respectively formed in the base plate, and the fixing hole is smaller as the inner diameter thereof becomes upward. The inner surface is formed to be inclined so as to be inclined, and the lag and guide protrusions respectively inserted into the fixed hole and the guide hole are formed in the full width erasing head, respectively. Characterized in that the side is provided.

Hereinafter, with reference to the accompanying drawings, the most preferred embodiments of the present invention will be described in more detail so that those skilled in the art can be easily carried out.                     

4 is an exploded perspective view showing a full-width erasing head coupling structure of the tape recorder according to the present invention, Figure 5 is a cross-sectional view showing a full-width erasing head coupling structure of the tape recorder according to the present invention. As shown, the full width eraser head coupling structure 100 of the tape recorder according to the present invention, the fixing hole 111 and the guide hole 112 are formed in the base plate 110, respectively, in the full width eraser head 120 Lag (leg) 121 and guide protrusions 122 respectively inserted into the fixing holes 111 and the guide holes 112 are formed, and the elastic pieces 123 are provided on the outer circumferential surface of the lag 121.

The base plate 110 has a fixing hole 111 is formed at a position where the full width erasing head 120 is fixed, and a guide hole 112 is formed adjacent to the fixing hole 111. The fixing hole 111 protrudes downward from the base plate 110 or as shown in FIGS. 4 and 5, and is formed to protrude upward, and the inner surface 111a is smaller so that the inner diameter thereof becomes smaller toward the upper side. It is formed to be inclined.

The full-width erasing head 120 is mounted to the body 124 so that the head 125 is exposed to one side, the lag 121 and the guide protrusion 122 is formed below the body 124 to be vertically downward.

When the lag 121 is fitted into the fixing hole 111 by forming the elastic piece 123 on the outer circumferential surface thereof, the elastic piece 123 exerts an elastic force on the inclined inner surface 111a of the fixing hole 111 so that the full width erasing head is provided. The body 124 of the 120 is to receive a force to the lower side to be fixed to the base plate 110.

The elastic piece 123 is a leaf spring having a curvature shape protruding outward by both ends are fixed to the outer circumferential surface of the lag 121 or formed integrally, it may be formed in plurality in order to increase the fixing force of the full width erasing head 120. 4 and 5 are provided along the outer circumferential surface of the lag 121.

The guide protrusion 122 is inserted into the guide hole 112 of the base plate 110 to suppress the body 124 of the full width erasing head 120 from side to side.

The guide protrusion 122 has a horizontal holding end 122a formed thereon such that the full width erasing head 120 is horizontally installed from the base plate 110.

The operation of the full-width erasing head coupling structure of the tape recorder having such a structure is performed as follows.

When the lag 121 and the guide protrusion 122 of the full width erasing head 120 are respectively inserted into the fixing hole 111 and the guide hole 112 of the base plate 110, an elastic piece formed on the outer circumferential surface of the lag 121 ( By applying an elastic force to the inclined inner surface 111a of the fixing hole 111 is formed so that the inner diameter is smaller toward the upper side 123 is the body 124 of the full-width erasing head 120 is forced downward It is fixed on the base plate 110, the guide protrusion 122 is inserted into the guide hole 112 to suppress the body 124 of the full-width erasing head 120 to move left and right.

As described above, according to the preferred embodiment of the present invention, by firmly fixing the full width erasing head 120 on the base plate 110 without using a fixing part such as a screw, the cost of purchasing the fixed part is reduced, The assembly is improved by simply fixing the full width elimination head 120 on the base plate 110.

As described above, the full width erasing head coupling structure of the tape recorder according to the present invention secures the full width erasing head on the base plate without using a fixing part such as a screw, thereby reducing the cost of purchasing the fixed part and reducing the full width. By simply fixing the head on the base plate has the effect of improving the assembly.

What has been described above is just one embodiment for implementing the full width erase head coupling structure of the tape recorder according to the present invention, the present invention is not limited to the above embodiment, as claimed in the following claims Without departing from the gist of the present invention, anyone of ordinary skill in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (2)

In the structure in which the full width eraser head of the tape recorder is coupled to the base plate, Fixing holes and guide holes are formed in the base plate, respectively, and the fixing holes are inclined inward so that the inner diameter thereof becomes smaller toward the upper side. Lag and guide protrusions respectively inserted into the fixing hole and the guide hole are respectively formed in the full width erasing head, and an elastic piece fixing the lag to the fixing hole by applying an elastic force to the inner surface of the fixing hole on the outer peripheral surface of the lag. Equipped Full width eraser head coupling structure of tape recorder. The method of claim 1, The lag is, The elastic piece is formed in plurality along the outer peripheral surface Full width eraser head coupling structure of the tape recorder.

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