KR19990004335U - VCR Head Cleaner - Google Patents

Abstract

The present invention relates to a VCR head cleaner. In the conventional head cleaner, when the screen is unstable during the playback of the VCR, the video tape cassette is withdrawn from the VCR, and then the cleaner tape cassette is inserted into the VCR to remove foreign substances from the head. It was necessary to check whether the video tape cassette was inserted again. If foreign matters were not properly removed, it was inconvenient to remove the contaminants of the head by repeatedly inserting and removing the cleaner tape cassette and the video data cassette.

On the other hand, the head cleaner built into the VCR is inconvenient to replace the cleaner, and contaminates the cleaner when used for a long time, which in turn contaminates the head.

Accordingly, the present invention forms an opening 22 in the case of the VCR in which the head drum is located, as shown in FIGS. 3 to 5, and the head cleaner 100 is inserted into the cleaner 24 to the head drum 4. To be in close contact with each other, it is possible to remove the contaminants of the head while driving the video tape 1 to check the degree of the head cleaning state while watching the screen, and the head cleaner 100 is removable, so the cleaner 24 ) Is easy to exchange.

Description

VCR Head Cleaner

The present invention relates to a VCR head cleaner, and more particularly, to form a small head cleaner penetrating from the outside of the VCR case to be in close contact with the head drum, so that the user can check the washing state of the head drum while watching the screen. It's about.

By recording and erasing an electric signal using the magnetic recording principle of the magnetic material, the video tape, which is a medium capable of storing and editing image and audio signals and being repeatedly used, is coated with a magnetic layer 2 and a magnetic layer, which are recording media as shown in FIG. It consists of the base 3 which there is.

It is the head of the VCR (not shown) to change the branch arrangement of the magnetic layer 2, and most of the cases adopt the oblique scanning method for recording and erasing.

The oblique scanning method has an advantage of forming a long obliquely long track on the narrow video tape 1 so that a large number of information can be recorded in one track, and the entire head drum 4 is moved to convey the head along the track. Is installed inclined.

On the other hand, since the head in contact with the video tape 1 to read or erase information has a depth of only a few tens of micrometers, the video tape 1 having a high wear property has to be replaced frequently. Can not use because of economic problems.

On the other hand, in the video tape 1, which does not wear the head at all, the dirt contaminated on the head is still attached, and finally recording and reproducing are impossible.

In addition, since the wear of the head has a significant relation to the frictional force between the video tape 1 and the traveling system, when the humidity is high, the frictional force is large and the wear of the head is increased, and the video tape 1 is considered in such environmental conditions. Is determined.

In any case, however, in a VCR in which information recording and reproducing is performed in such a contact manner, it is unavoidable that the head is contaminated by dust or the like attached to the video tape 1, thereby preventing the malfunction of the VCR. A head cleaner has been developed to solve this problem.

Representative is a wet cleaner tape, which is to clean the cleaning tape, such as non-woven fabrics and run on the head drum (4) so that the contaminants on the head is removed while contacting the cleaner tape.

The cleaner tape for this purpose has a structure similar to a video tape cassette as shown in FIG. 2, so that the cleaner tape 6 is wound on the reel 5, and when it is inserted into the VCR, the cleaner tape 6 is moved by the VCR device. Like the video tape 1, the head drum 4 is in close contact.

On the other hand, the cleaner tape cassette (7) is provided with an injection hole (8) for the input of the cleaning liquid in the upper case, the storage space is provided in the cassette case 10 separately so that the cleaning liquid container (9) is stored separately.

In addition to this, there is a head cleaner built in the VCR itself, which is mounted on the side of the head drum 4 so that a cleaner such as a nonwoven fabric is always in contact with the head drum 4, and the head drum 4 is As it rotates, contaminants in the head are removed.

As described above, in the video tape 1 and the VCR using the magnetic recording principle of the magnetic material, the video tape 1 is driven in contact with the head for recording and reproducing information. A cleaner has been developed to remove debris.

However, such a head cleaner has a problem that its use is inconvenient.

That is, even if the cleaning liquid is injected into the cleaner tape cassette, but the screen is not clear during the playback of the VCR, after removing the video tape cassette from the VCR, the cleaner tape cassette 7 is inserted into the VCR to remove foreign substances from the head. In addition, the video tape cassette should be inserted again to check whether this has been properly performed. If the removal of the foreign matter is not performed properly, the removal of the cleaner tape cassette 7 and the video tape is repeated and the head is inspected to remove the dirt. It is inconvenient to do.

On the other hand, in the case of a head cleaner with a built-in VCR, the replacement of the cleaner is inconvenient, and the cleaner may be contaminated when used for a long time, which may contaminate the head.

The present invention has been made to solve the above problems, and to provide a VCR head cleaner that is easy to replace and use, as well as to remove contaminants from the head while watching the screen being played without having to withdraw the video tape cassette. Is there.

The present invention for this purpose is to form an opening in the case of the VCR where the head drum is located, and the head cleaner is inserted therein so that the cleaner is in close contact with the head drum, thereby removing contaminants from the head while driving the video tape. While checking the degree of head cleaning state, and also the head cleaner is removable, so it is easy to replace the cleaner.

1 is a schematic diagram showing a video tape running on a head drum;

2 is a schematic diagram showing a conventional VCR head cleaner;

3 is a schematic view showing an opening and a head cleaner according to the present invention,

4 is a schematic view showing a state in which the head cleaner is mounted in the opening according to the present invention;

5 (a) (b) is a schematic diagram showing an embodiment of a head cleaner according to the present invention.

Explanation of symbols on the main parts of the drawings

1-video tape, 4-headdrum,

20-case, 22-opening,

24-cleaner, 26-body,

28-seating groove, 30-guide groove,

32-handle, 34-sliding groove,

36-support plate, 38-support shaft,

40-roller, 42-stopper,

44-insert groove, 46-cover,

48-Holding groove, 100-Head cleaner,

Hereinafter, the present invention will be described with reference to the accompanying drawings.

According to the present invention, an opening 22 is formed in a part of the case 20 at the outer circumferential surface position of the VCR head drum 4, and the head cleaner 100 is detachably installed at the jaw formed by the cross section of the opening 22, and the head cleaner ( A cleaner 24, such as a nonwoven fabric, is provided at the lower portion of the 100, and the cleaner 24 is in close contact with the rotating head drum 4 while the video tape 1 is traveling.

Here, the opening 22 is formed with a seating groove 28 for positioning the head cleaner 100 at a distance laterally close to the outer peripheral surface of the head drum 4, from this to the position of the outer peripheral surface of the head drum (4) The guide groove 30 is formed to guide the head cleaner 100, the guide groove 30 is characterized in that the inclined according to the cleaner 24 is in close contact with the inclined head drum (4).

In addition, the head cleaner 100 has a handle 32 is formed on the top of the body 26, a sliding groove 34 to be fitted to the guide groove 30 in the center of the body 26 is formed, the body 26 The cleaner 24 is installed at the bottom.

On the other hand, one embodiment of the head cleaner according to the present invention according to the installation of the cleaner 24 is formed with a support 36 at the bottom of the body 26, the plate-shaped cleaner 24 at the bottom of the support 36 and the body 26. In another embodiment of the head cleaner according to the present invention, the support shaft 38 and the roller 40 are installed at the bottom of the body 26, and the cleaner 24 is wound on the roller 40, thereby providing the head drum. When the rotation of the (4) is rotated together, characterized in that the contact with the head.

Here, in the cleaner 24 provided on the support 36, the stopper 42 protrudes from the end of the guide groove 30 so that the support 36 does not contact the outer circumference of the head drum 4, and the support 36 is formed. On the opposite side of the upper body 26 is characterized in that the insertion groove 44 to which the stopper 42 is seated.

3 and 4 are schematic views showing a mounting state of the VCR head cleaner according to the present invention. The present invention forms a compact head cleaner 100 penetrating outside the VCR case to be in close contact with the head drum 4. The user was to check the washing state of the head drum (4) while watching the screen.

That is, a head cleaner such as a conventional cleaning tape cassette has a structure similar to that of a video tape cassette as described above, and thus it is difficult to clean the head while checking the cleaning state on the screen. It was a hassle to work alternatingly, and on the built-in cleaner, this contaminated the head.

Therefore, in order for the user to check the washing state of the head while watching the screen, not only the head cleaner must be mounted while the video tape 1 is running, but also it is not built-in but must be detachable according to the user's discretion. It should be easy to exchange.

For this reason, the present invention forms a compact head cleaner 100 that penetrates outside the VCR case and is in close contact with the head drum 4.

The present invention for this purpose is that the opening 22 in the VCR case 20 such that the head cleaner 100 of the present invention is inserted while the video tape 1 is driven in the VCR so that the cleaner 24 is close to the outer circumference of the head drum 4. Formed.

That is, the opening 22 provides a mounting position of the head cleaner 100, and the opening 22 should be formed at a position where the video tape 1 and the head cleaner 100 are not interfering with each other. Of course.

The opening 22 is formed of a seating groove 28 and a guide groove 30, the seating groove 28 is spaced apart from the head drum 4 at a horizontal distance for some time, the body of the head cleaner 100 (26) ) Was allowed to settle.

From this, the guide groove 30 extends to the position of the outer circumferential surface of the head drum 4, which is other than the cleaner 24 when the head cleaner 100 is located directly on the outer circumference of the head drum 4 through the case 20. Part of the body comes into contact with the head drum 4, which may scratch the head drum 4 or damage the head, so that the body 26 is seated in the seating groove 28 and the guide groove 3 is again. In the horizontal movement in the head drum 4, the cleaner 24 is in close contact.

The guide groove 30 guides the body 26 to provide a final mounting position of the head cleaner 100, and the guide groove 30 is used for close contact between the cleaner 24 and the head drum 4. It is formed to be inclined in accordance with the inclination of the head drum 4.

On the other hand, when the head cleaner 100 is not mounted, the opening 22 may have a cover 46 formed therein, since contaminants such as dust may enter the VCR from the head cleaner 100, and one side of the cover 46 may be easily opened and closed. A gripping groove 48 is formed.

The head cleaner 100 mounted on the opening 22 is composed of a body 26 and a cleaner 24 installed at a lower end thereof, and a user seats the head cleaner 100 on the upper end of the body 26. The handle 32 is formed to be inserted into the groove 28 and then moved along the guide groove 30.

In addition, the sliding groove 34 is formed to be inserted into the jaw of the cross section formed by the guide groove 30, as described above, in addition to forming the guide groove 30 inclined in accordance with the inclination of the head drum (4). The guide groove 30 may be formed horizontally, and the body 26 below the sliding groove 34 may be formed to be inclined.

A cleaner 24 is installed below the body 26, and FIG. 5 shows an embodiment of a head cleaner according to the type of cleaner.

As shown in FIG. 5A, a pad-type cleaner is provided with a support 36 formed at one side of the lower end of the body 26, and a plate-shaped cleaner 24 such as a nonwoven fabric is mounted thereon.

The pad cleaner is preferably installed at the bottom of the support base 36 or the body 26 by a fitting type to facilitate replacement thereof from the body 26. In the pad cleaner, the guide groove 30 is provided with the head drum 4. A stopper 42 is formed in a tangential direction slightly inclined to the outer circumferential surface of the circumferential surface and gives the cleaner 24 directivity.

That is, in order for the pad cleaner to clean the head drum 4 effectively, the head drum and the cleaner are preferably in surface contact, and also a slight elastic force is required to keep the cleaner in close contact with the head drum. ) Should be in close contact with the head drum inclined slightly outward from the tangential direction and the guide groove 30 for determining the mounting position of the cleaner 24 is formed in the direction inclined at the tangent.

On the other hand, because the support (36) on which the cleaner (24) is installed is formed at one side of the bottom of the body (26), when the body (26) is incorrectly inserted and the support (36) is in close contact with the outer circumference of the head drum (4), Since the head may be damaged by this, directionality should be provided so that the cleaner 24 can be properly positioned. As shown, the stopper 42 protrudes from the end of the guide groove 30 and the stopper 42 is disposed. Is inserted into the groove 44 is formed on the opposite side of the body 26 formed in the support (36).

Therefore, the body 26 is properly seated in the guide groove 30 only when the body 26 is inserted in the direction in which the insertion groove 44 is positioned, that is, in the direction in which the cleaner 24 is located, and this may fundamentally damage the head. It is to prevent.

On the other hand, shown in Figure 5 (b) is a roller-type cleaner, the support shaft 38 is formed on one side of the lower end of the body 26, the cleaner 24 is wound on the roller 40 mounted thereon, the roller It is preferable to provide a cushioning material such as a sponge or the like on the outside thereof and to wind the cleaner 24 thereon in close contact with the head drum 4.

The cleaner 24 is rotated together with the head drum 4 by the roller 40, so that the contact surface is larger than the pad type, so the manufacturing cost is higher than that of the pad type, but it is not necessary to frequently change the cleaner 24. As described above, it is not necessary to form the guide groove 30 in the tangential direction from the head drum 4 or to install the stopper 42.

Therefore, when the screen is unstable due to contamination of the head, the cover 46 of the opening 22 is opened while the video cleaner 1 is driven, and the head cleaner 100 is seated in the seating groove 28 and then the guide groove ( If it is pushed into 30), the contaminants of the head are removed by the cleaner 24, and when the cleaning solution is buried in the cleaner 24 as necessary, the head is easily and quickly washed.

As described above, according to the present invention, an opening is formed in the case of the VCR in which the head drum is located, and the head cleaner is inserted therein so that the cleaner adheres to the head drum, thereby removing contaminants from the head while driving the video tape. It is possible to check the degree of the head cleaning state while watching the screen, and it is easy to replace the cleaner.

Claims (7)

An opening 22 is formed in a part of the case 20 at the outer circumferential surface position of the VCR head drum 4, and the head cleaner 100 is detachably provided in the opening 22 so that the video tape 1 is rotated while traveling. A VCR head cleaner which causes the head drum (4) to be cleaned as the cleaner (24) comes into close contact with the head drum (4) being used. 2. The opening 22 is formed with a seating groove 28 for positioning the head cleaner 100 at a distance laterally close to the outer circumferential surface of the head drum 4, from which the head drum 4 is formed. VCR head cleaner, characterized in that formed in the guide groove 30 to guide the head cleaner 100 to the outer peripheral surface position. 3. The VCR head cleaner according to claim 2, wherein the guide groove (30) has the same inclination angle as the head drum such that the cleaner (24) is in close contact with the head drum (4). According to claim 1, wherein the head cleaner 100 has a handle 32 is formed on the top of the body 26, the sliding groove 34 is fitted to the guide groove 30 in the center of the body 26 is formed , VCR head cleaner, characterized in that the cleaner 24 is installed on the bottom of the body (26). According to claim 1, wherein the head cleaner 100 has a support 36 is formed at the bottom of the body 26, the plate-shaped cleaner 24 is installed on the support 36 and the bottom of the body 26 to the rotating head drum VCR head cleaner, characterized in that the head is washed while one surface of the cleaner 24 is in contact. The head cleaner (100) of claim 1, wherein the support shaft (38) and the roller (40) are installed at the bottom of the body (26), and the cleaner (24) is wound around the roller (40) to rotate the head drum (4). VCR head cleaner, characterized in that the cleaner (24) in contact with the time is rotated together and the head is washed. According to claim 5, The head cleaner 100 is a stopper 42 protruding at the end of the guide groove 30 so that the support 36 is not in close contact with the outer circumference of the head drum (4), the body 26 VCR head cleaner, characterized in that the insertion groove 44 is formed on which the stopper 42 is seated.