KR100242650B1 - Door locking-unlocking apparatus and method of tape recorder - Google Patents

Abstract

The present invention relates to a front tape insertion port lock coupling device for inserting a cassette tape in front of a player in a video tape player, and a method of unlocking the same. The cover of the conventional video tape player covers the cassette tape insertion hole, but the restoring force is small so that it can be opened any time when a predetermined external force is applied. In this case, there is a problem that the foreign matter is introduced directly into the internal device through the cassette tape insertion hole of the regenerator causing a failure of the regenerator. Therefore, under the technical problem to solve these problems, the present invention by maintaining the distance of the tape size to recognize only the video tape (4,74), the locking device (40, 80), the unlocking piece 20 and the unlocking lever By installing (60, 90), no foreign matter can be introduced into the video tape player except for inserting the tape, so that the cause of failure of the video tape player can be eliminated. In addition, the lock coupling device can be easily operated to prevent damage to the video tape player that may occur due to ignorance of people or children who are not familiar with the video tape player, thereby extending the life of the video tape player.

Description

Tape Insertion Locking Locking Device for Video Tape Player and Its Unlocking Method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a videotape player, and more particularly, to a front tape insertion slot lock coupling device for inserting and withdrawing a videotape in front of a player and a method for releasing the same.

In general, since the insertion lock locking device of the cassette tape is a part in which foreign matter can be directly introduced into the regenerator from the outside, its sealing becomes a very important problem.

In a conventional videotape player, an insertion opening lock coupling device of a videotape has a cover, and the cover is connected to a spring device. This spring device gives the cover a predetermined restoring force. Due to this restoring force, the cover blocks the cassette tape insert opening after the cassette tape is inserted, removed, or removed.

The cover of the conventional video tape player covers the cassette tape insertion hole. However, since the restoring force is small, it can be opened at any time when a predetermined external force is applied. In this case, there is a problem that the foreign matter is introduced directly into the internal device through the cassette tape insertion hole of the regenerator causing a failure of the regenerator.

SUMMARY OF THE INVENTION The present invention has been made to solve this problem, and an object thereof is to provide a method of locking a cover of a videotape player configured to open a cover only when a tape is inserted or removed.

Still another object of the present invention is to provide a tape insertion opening lock coupling device for a video tape player in which the cover is opened only when the tape is inserted and removed by locking the cover of the insertion device of the player.

1 is a perspective view showing a part of a video tape player equipped with a lower locking device;

Figure 2 is a block diagram showing the configuration and coupling relationship of the unlocking piece and the cover,

3 is a cross-sectional view schematically showing portion AA ′ of FIG. 1;

4 is a perspective view showing the lower locking device of FIG.

5 is a perspective view showing a part of a video tape player equipped with a lower locking device according to another embodiment;

6 is an exploded cross-sectional view of the unlocking piece and the cover according to another embodiment;

7 is a cross-sectional view schematically showing portion AA ′ of FIG. 5;

8 is a perspective view showing the downward locking device of FIG.

9 is a perspective view showing a video tape player equipped with a lateral locking device and a portion of the video tape;

10 is a cross-sectional view showing a component and a video tape part of part B-B 'of FIG. 9;

11 is a side view showing an unlocking piece of a videotape player equipped with a lateral locking device.

* Explanation of symbols for main parts of the drawings

2, 70: cabinet 4, 74: video tape

10, 72: cover 12: protrusion

12a: elastic piece 14: insertion groove

16: hinge 20: unlocking piece

22: fastener 24: end

30: coupling part 40, 80: locking device

42, 62, 84, 94: spring device 44, 88: inclined surface

45: oblique side 46, 86: Kemper

50, 100: cassette holder boss 52, 102: rib

54, 82, 96: groove 60, 90: unlock lever

64, 92: protrusion 98: long groove

A feature of the present invention for achieving the above object is in the method of releasing the lock of the video tape insert cover of the video tape player, the cover is stopped by contacting the video tape to the unlocking member, but the unlocking member Move the locking device that stops the cover horizontally by moving it to the locking device to unlock the cover. After unlocking, keep the lock again.When the video tape is pulled out, the unlocking lever reactivates the locking device. There is a feature to release the video tape is drawn out through the opening opening.

In the above object of the present invention, in the videotape insertion port lockout process of the videotape player having a videotape insertion hole formed in the cabinet, one end of the cover is rotatable in the cabinet, the unlocking for releasing the lock state of the cover A coupling part including a member to open and close the video tape insertion hole; A locking device configured to lock the cover by tightly stopping the cover, and to release the locking state of the cover while enabling the inclined surface contact between the unlocking lever and the unlocking member; An unlocking lever for applying the pressure to the locking device to release the lock is achieved as a videotape insertion slot locking coupling device of the combined videotape player.

Hereinafter, with reference to the accompanying drawings to explain the configuration and operation of the present invention.

1 is a perspective view showing a part of a video tape player equipped with a lower locking device. According to the present invention according to this drawing, the cabinet 2 constitutes the exterior of the video tape player, and an insertion opening is formed in the front side of the cabinet 2 as a passage through which the video tape 4 is inserted and removed. This insertion opening is covered with a cover 10. The unlocking pieces 20 are connected to both sides of the front surface of the lid 10. The engagement portion of the cover and the unlocking piece is shown in FIG. 2.

2 is an exploded cross-sectional view of the unlocking piece 20 and the cover 10. The lid 10 is formed with an insertion groove 14 that is an opening, and the unlocking piece 20 is provided with a fastener 22 and an end portion 24 having an inclined surface. The bullet piece 12 is mounted at a portion where the cover 10 is connected to and engaged with the unlocking piece 20. The bullet piece 12 has a predetermined elasticity and is brought into contact with the inner surface of the unlocking piece 20 to be restored by giving a restoring force after the movement of the unlocking piece 20. The combination of the unlocking piece and the cover and the inside of the videotape player are shown in FIG.

FIG. 3 is a cross-sectional view schematically illustrating portion AA ′ of FIG. 1. This figure shows the entire front part of the videotape player and the device associated with the locking device. As shown in this figure, the engagement portion 30 of the unlocking piece 20 and the lid 10 is shown on the right side of the figure. The coupling part 30 is a fastener 22 of the unlocking piece 20 is inserted into the insertion groove 14 of the cover 10 and fastened, and the unlocking piece 20 is a bullet piece of the cover 10. It is elastically fastened by (12). Moreover, since the cover 10 is hinged with the cabinet 2, it is comprised so that rotation is possible along the hinge 16. As shown in FIG. The unlocking piece 20 is preferably formed on the cover 10 horizontally so that the force can be transmitted to the unlocking piece when the video tape is pushed. Therefore, when the video tape is inserted into the insertion hole, the front contact surface of the video tape pushes the unlocking piece 20. Since the pushed-out release piece 20 comes in contact with the locking device 40 at an end portion 24 having a predetermined inclination, the locking device 40 is moved downward to release the lock.

The corner portion where the unlocking piece 20 is in contact with the locking device 40 is cut off at the end to form a flat surface or rounded to some extent. That is, it has a chamfer or fillet shape. In this way, the unlocking piece 20 can push the locking device 40 very smoothly to release the lock.

Locking device 40 has a spring 42 is connected to the lower end. This spring 42 is fixed to the cabinet of the regenerator. Therefore, the upper end of the locking device 40 is pressed down. The coupling portion 30 of the cover and the unlocking piece thus released is moved along the dotted line. When the miter video tape is completely inserted by the video tape, the coupling part 30 moves back and forth in the dotted line direction about the hinge 16. The coupling part 30 is again locked by the locking device 40.

When the video tape is removed, the cassette holder boss 50 driven by the user's operation is started by moving upward. The cassette holder boss 50 has ribs 52 which are connected to the grooves of the unlocking lever 60. This unlocking lever 60 is pressed at the end by a spring 62, which applies a predetermined repulsive force to the unlocking lever 60 to the cabinet of the videotape player. The release lever 60 connects the ribs 52 to the grooves 54 in order to suppress the operation due to the repulsive force. By removing the ribs 52, the release levers 60 can be moved. . As such, when the cassette holder boss 50 moves upward, the rib 52 connected to the groove 54 of the unlocking lever 60 is removed, and the unlocking lever 60 connected to the spring 62 is right. Is moved to. Since the projecting piece 64 of the unlocking lever 60 moved to the right is in contact with the inclined surface 44 of the locking device 40, the inclined surface 44 is pushed. Thus, the locking device 40 is moved downward to release the lock. The detailed structure of this locking device 40 is shown in Figure 4 of the accompanying drawings.

4 is a perspective view showing the locking device 40 of FIG. As shown in this figure, two inclined surfaces are produced. The inclined surface 46 of the upper surface is a portion that collides when the video tape passes through the cover 10 and then the cover is lowered due to its own weight. Further, the inclined surface 44 of the lower surface is in contact with the protruding piece 64 of the unlocking lever as seen in FIG. The inclined surface 44 has a predetermined inclination. Therefore, when the unlocking lever 60 is moved to the right side, the protruding piece 64 pushes the locking device 40 downward to release the lock. In this way, the locking device according to the present invention can be opened only when the video tape is inserted, removed.

In addition, such a locking device may take another structure. That is, another embodiment in which the locking device is installed below will be described.

Hereinafter, the attached fifth to eighth views for explaining another embodiment of the locking device is a view corresponding to the first to fourth, respectively. As shown in FIG. 6, the cover 10 is formed with an insertion groove 14 which is an opening, and the unlocking piece 20 is formed with an end portion 24 having a fastener 22 and an inclined surface. The unlocking piece 20 protrudes from the part opposite to the fastener 22 and the end 24. The unlocking piece 20 having such a configuration is mounted to the cover 10 by a coupling of the fastener 22 and the insertion groove 14 to some extent, and at this time, the inside of the unlocking piece 20 The elastic piece 12a having elasticity is close to the locker, and the fusion fastener 22 of the unlocking piece 20 is fused thereto so that the unlocking piece 20 can be moved with elasticity.

As shown in FIG. 8, the locking device 40 has three inclined surfaces. Of these, the inclined surface 46 of the upper surface is a portion that comes into contact with the video tape after passing through the cover 10, the cover is lowered due to its own weight. The oblique angle surface 45 is formed to be inclined to correspond to the inclined end surface 24 of the unlocking piece, and transmits the pressing force applied at the time of pressurization by the end surface 24 to the locking device 40 to the maximum. 40 can be easily moved downward.

Incidentally, the inclined surface 44 is in contact with the protruding piece 64 of the unlocking lever 60 as shown in FIG. The inclined surface 44 has a predetermined inclination. Therefore, when the unlocking lever 60 is moved to the right side, the protruding piece 64 pushes the locking device 40 downward to release the lock. In this way, the lock coupling device according to the present invention can open the cover only when the video tape is inserted and removed.

Such a lock coupling device may take another structure. That is, an embodiment in which the above-described locking device is provided on the side will be described.

9 is a perspective view showing a videotape player equipped with a lateral lock. The cabinet 70 forms an outer circumferential surface of the video tape player, and an insertion hole through which the video tape 74 is inserted and removed is manufactured on the front surface of the cabinet 70. This insertion hole is covered with a cover 72. Locking devices 80 are mounted on both sides thereof. FIG. 10 is a cross-sectional view taken along the line B-B 'showing the locking device and its peripheral device of FIG. 9 with the video tape mounted thereto. The cover 72 is inserted into the groove 82 of the locking device 80 and locked. Locking device 80 is connected to the spring device 84 fixed to the cabinet is always in close contact with the cover (72). This locking device 80 has two inclined surfaces. The first inclined surface 86 and the second inclined surface 88 located at the front surface of the video tape insertion port are called. The first inclined surface 86 is a surface to which the video tape contacts when the video tape 74 is inserted. When the video tape 74 is pushed, the locking device 80 is pushed to the left to release the lock due to the inclination of the first inclined surface 86 in contact with the video tape 74. In this way, the locking device is released when the videotape is inserted. On the other hand, when the videotape is removed from the videotape player, the cover must be unlocked before the videotape reaches the insertion hole, and the protrusion 92 in contact with the second incline 88 is the second incline 88. Will push. This protruding piece 92 occupies a part of the unlocking lever 90 and is shown in FIG.

According to this figure, the unlocking lever 90 is the same as the unlocking lever of FIG.

That is, it is coalesced and repulsed by the spring 94 fixed to the cabinet 70. The spring device 94 transmits a predetermined repulsive force to the unlocking lever 90. The release lever 90 receiving the repulsive force has a groove 96 at one end thereof. The groove 96 is connected to the cylindrical protrusion rib 102. The rib 102 is joined to the cassette holder boss 100. Accordingly, when the cassette holder boss 100 is moved upward to remove the cassette tape, the rib 102 which is in close contact with the groove 96 is detached and at the same time, the release lever 90 can be seen in FIG. 10. The second inclined surface 88 as shown in the operation to push. Thus, the locking device 80 is pushed to the left due to the inclination of the second inclined surface 88 to release the lock. In addition, the unlock lever 90 is provided with a long groove 98, the fastening material such as a bolt is inserted into the long groove 98 is fixed so that the unlock lever 90 is moved only in the horizontal direction.

In this way, the locking device installed at both sides of the videotape insertion port opens only when the videotape is inserted or removed.

As described above, the present invention is not possible to open the cover other than the video tape has the effect that no foreign matter other than the video tape can be introduced.

In addition, the first cover is opened and closed when the video tape is inserted and locked, and the second cover is released and locked when the video tape is removed.

Claims (9)

In the method of releasing the lock of the video tape insertion cover of the video tape player, Contacting and pressing the video tape to an unlocking member; Elastically moving the unlocking member toward the locking device; Releasing the locking device that locks the cover by moving the inclined surface of the unlocking member; Unlocking the cover by releasing the locking device so that the video tape is inserted, and then the cover is locked again; And And releasing the video tape by releasing the locked state by pushing the second inclined surface of the locking device by activating a cassette holder boss when the video tape is taken out. The method of claim 1, And the cover is not moved when the unlocking member is moved. In the video tape insertion slot lock coupling device of the video tape player is formed in the cabinet, A cover having one end rotatably coupled to the cabinet, and having an unlocking member attached to the cover to form an inclined surface to release the locking state of the cover, the coupling part for opening and closing the video tape insertion port; A locking device having first and second inclined surfaces formed on the upper and lower parts of the cover to release or lock the cover by contacting the lower end of the unlocking member while moving upwardly; And The video tape insertion hole of the video tape player, which is elastically fixed to the cabinet, and includes a release lever to release the lock by moving the locking device by pushing the second inclined surface of the locking device when the video tape is taken out. Locking Mechanism. The method of claim 3, And the unlocking member is secured to the cover to have elasticity with respect to the cover. The method of claim 3, By fusion bonding the elastic force on the back of the cover, the video tape insertion port lock coupling device of the video tape player, characterized in that configured to be elastic by the elastic piece. The method of claim 3, The unlocking member is a video tape insertion port lock coupling device of the video tape player, characterized in that the lower side protrudes further forward than upward. The method of claim 3, And the unlocking member forms an inclined surface at the rear of the lower end thereof, and contacts the upper portion of the locking device to release the locking device up and down to release the locking device. The method according to any one of claims 3 to 7, The unlock lever is, A projection for pushing down the inclined surface of the locking device, an elastic member for suppressing the unlocking lever as a whole, and a groove for guiding the rib of the cassette holder boss in response to the elasticity of the elastic member when the video tape is inserted or removed. Locking device for the video tape insertion port of the video tape player, characterized in that the lock-heze lever line formed. In the video tape insertion slot lock coupling device of the video tape player, A door hinged to be rotatable in the insertion hole; A locking device which is elastically formed at both sides of the insertion port and has an insertion groove vertically formed at both ends of the insertion port, and has an inclined surface before and after the insertion groove; And The rib of the cassette holder boss is formed when the video tape is inserted, and forms a groove to be released upon removal, and forms a protrusion for pushing the inclined surface of the rear part of the locking device, and a locking member having an elastic member for giving elasticity toward the front from the rear thereof. A videotape insertion slot lock coupling device for a videotape player including a release lever.

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