KR200153819Y1 - Construction structure for front pcb panel of video cassette recorder - Google Patents

Abstract

The present invention discloses a front PCB panel assembly structure of a VCR.

The present invention is a coupling structure of the front cover and front PCB panel attached to the front of the press chassis of the VCR, the locking ribs are provided on one side of the rear panel of the front panel, the guide ribs are provided on both sides of the locking ribs, respectively, the locking A hook is provided on an adjacent upper side of the rib, and a front cover in which a guide hole is formed on one side of the lower panel, and a first slot is formed on one side to fit the locking rib, and the adjacent side of the first slot to fit the guide rib. Second slots are formed on both sides, respectively, and a top portion is formed at a top portion so that the hook is caught, and a bottom portion is formed of a front PCB panel formed with a protrusion inserted into the guide hole.

Therefore, according to the front PCB panel assembly structure of the VCR according to the present invention, since the assembly is directly assembled to the rear side of the front cover without using a screw, the assembly work is not only simple, but also the productivity is simplified by reducing the number of components. Provide the effect of improving.

In addition, since the errors in design and assembly can be reduced to a minimum, there is an excellent advantage that contributes to quality improvement by reducing the defective rate of the product.

Description

Front PCB Panel Assembly Structure of VCR

The present invention relates to a video cassette recorder (hereinafter referred to as VCR), and more particularly to an assembly structure of the front cover and the front PCB panel of the VCR.

In general, a VCR is a device that converts a video signal from the outside into a magnetic signal through a head and records it on a tape or plays back contents recorded on the tape. Driving mechanism (Mechanism) is composed of a front loading device (Front Loading Ass'y), the seating device of the cassette tape, and a drum device (drum ass'y) that is a part for recording or playing back a signal in direct contact with the tape, Deck Mechanism consisting of these parts is assembled to a Press Chassis constituting a case of the VCR.

On the other hand, the front cover (Front Cover) constituting the operation panel and the outer case is mounted on the front of the press chassis, the front PCB panel is located on the front of the press chassis to the rear of the front cover.

1 illustrates an assembly structure of the front surface of the press chassis 10 to which the front PCB panel 30 and the front cover 20 are attached. Screw elements 31 are provided in each element of the front PCB panel 30. The front cover 20 is assembled to the press chassis 10 by being fastened and attached to the front surface of the press chassis 10 and the screw 32 through the screw. In addition, the front PCB panel 30 is provided with a tact switch 50, and correspondingly, a knob switch 40 is provided at the rear of the front cover 20, so that the knob switch 40 is provided. The device is operated by pressing operation of.

However, in the assembly structure as described above, since the front PCB panel 30 and the front cover 20 are configured to be indirectly coupled through the press chassis 10 without being directly coupled, the assembly tolerances generated during assembly are as follows. Due to the poor assembly state there is a fear that the contacts of the knob switch 40 and the tact switch 50 does not exactly match.

Therefore, in this case, since the operation of the device is poor, not only does it appear as a deterioration of the quality of the product, but also the assembly work because it is fastened with screws 32 in attaching the front PCB panel 30 to the press chassis 10. There was a problem that the inconvenience and rising manufacturing costs.

The present invention is devised to solve the conventional problems as described above, the front PCB panel that is screwed to the front of the press chassis is inserted into the direct coupling method by each component without screwing to the rear side of the front cover. The purpose of the assembly is to improve the work process and to further improve the precision of the product.

The present invention for achieving the above object, in the coupling structure of the front cover and the front PCB panel is attached to the front surface of the press chassis of the VCR, the locking ribs are provided on one side of the front panel, and adjacent to both sides of the locking ribs Guide ribs are provided, respectively, a hook is provided on an adjacent upper side of the locking rib, a front cover having a guide hole formed on one side of the lower panel, and a first slot is formed on one side to fit the locking rib, and the guide rib is Second slots are formed on both sides of the first slot so as to be fitted, respectively, a top portion is formed with a recess to hook the hook, and a bottom PCB is formed with a front PCB panel on which a protrusion is inserted into the guide hole. It is characterized by.

1 is an exploded perspective view illustrating an assembly structure of a front PCB panel which is generally mounted on the front side of a press chassis;

Figure 2 is an exploded perspective view showing the assembly structure of the front cover and the front PCB panel according to the present invention,

3a and 3b are perspective views showing the coupling state of the front cover and the front PCB panel by each coupling element.

* Explanation of symbols for main parts of the drawings

10: Press Chassis 20,60: Front Cover

30,70: Front PCB Panel 40: Knob Switch

50: Tact Switch 61a: Locking Rib

61b: guide rib 61c: hook

64a: Guide Holes 70a and 70b: First Slot and Second Slot

70c: engaging portion 70d: protrusion

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.

2 shows the assembly structure of the front cover 60 and the front PCB panel 70 according to the present invention.

The front cover 60 may be divided into a front panel 61 constituting the front surface, a side panel 62 constituting both sides, and an upper panel 63 and a lower panel 64 constituting the upper and lower surfaces, which are configured as one single body. do.

The present invention is for assembling the front PCB panel 70, which is attached to the press chassis in the past, directly to the rear side of the front cover 60. First, one side of the rear side of the front panel 61 constituting the front of the front cover 60. Locking ribs (61a) are provided on the side, adjacent to the locking ribs (61a) are provided with guide ribs (Guide Rib: 61b) on both sides, respectively, adjacent to the locking rib (61a) hooks Hook 61c is provided. In addition, guide holes 64a are formed at one side of a lower panel 64 constituting a lower surface of the front cover 60, respectively.

Meanwhile, a first slot 70a is formed at one side of the front PCB panel 70 so that the locking rib 61a can be fitted, and the guide ribs 61b are provided at both sides adjacent to the first slot 70a. The second slot 70b is formed to be fitted to each other, and the coupling recess 70c is formed at the upper end side so that the hook 61c is fitted, and the protrusion 70d is formed at the lower end side of the guide. It is provided so that it may fit in the hole 64a.

At this time, the components as described above are respectively configured on both sides in the longitudinal direction of the front cover 60 and the front PCB panel 70, only one side is shown in the figure.

Therefore, the features and coupling relationship of the components provided in this way will be described with reference to FIGS. 3A and 3B.

The locking rib 61a provided on the rear surface of the front panel 61 is coupled to the first slot 70a on the front PCB panel 70 side, and the tip of the locking rib 61a has a constant area and thickness. Genie has a rectangular shape, the corresponding first slot (40a) has a '凸' shape. Guide ribs 61b respectively provided on the rear surface of the front panel 61 to both sides adjacent to the locking rib 61a are coupled to the second slot 70b on the front PCB panel 70 side, and are '+'. The center portion intersected in the form is provided in a shape that protrudes, the corresponding second slot (70b) is formed to have a length in the vertical direction adjacent to both sides of the first slot (70a). The hook 61c provided on the rear side of the front panel 61 toward the adjacent upper side of the locking rib 61a has a structure that is elastically bent in an up and down direction, and a locking jaw is formed at the end thereof at a lower end thereof. Coupling recess 70c is formed at the tip of front PCB panel 70 in a '凹' form corresponding to hook 61c. In addition, guide holes 64a are formed adjacent to each other at predetermined intervals on one side of the lower panel 64, and protrusions 70d are formed at lower ends of the front PCB panel 70 corresponding to the guide holes 64a. Each is formed.

Therefore, in the state where the hook 61c of the rear surface of the front cover 60 is slightly lifted upward, the locking ribs 61a and the respective guide ribs 61b of the front panel 61 are moved to the front PCB panel 70. The front PCB panel 70 is brought into close contact with the rear side of the front cover 60 so as to be fitted into the first slot 70a and the second slot 70b on the side. In this state, the assembly is simply completed by pushing the front PCB panel 70 downward so that the protrusions 70d at the bottom of the front PCB panel 70 are inserted into the guide hole 64a at the lower panel 64 side. Done.

Accordingly, the front PCB panel 70 is assembled to the front cover 60, and then firmly fixed to each of the locking ribs 61a, the guide ribs 61b, and the hooks 61c, so that the assembled state can be stably maintained. In addition, since the front PCB panel 70 is directly attached to the front cover 60 by the coupling method of each component in this way, it is possible to reduce the error in design and assembly to a minimum.

On the other hand, the above embodiment has been described as an embodiment for the assembly structure of the front PCB panel mounted on the front cover in the VCR assembly process, the scope of application of the present invention is not limited to this, the same idea It will be possible to adapt and adapt as appropriate within the scope of.

As described above, according to the front PCB panel assembly structure of the VCR according to the present invention, compared to the conventional method in which the front PCB panel is fastened to the front of the press chassis by screws, the screw is not used on the rear side of the front cover. Assembled directly in a fitting manner, this simplifies assembly work and improves productivity by simplifying component count.

In addition, by directly assembling the front PCB panel to the front cover can reduce the errors in design and assembly to a minimum, there is an excellent advantage that contributes to quality improvement by reducing the defective rate of the product.

Claims (5)

In the combined structure of the front cover and the front PCB panel attached to the front of the press chassis of the VCR, Locking ribs 61a are provided at one rear side of the front panel 61, and guide ribs 61b are provided at both sides of the locking ribs 61a adjacent to each other. 61c) and a front cover 60 having a guide hole 64a formed at one side of the lower panel 64, First slots 70a are formed on one side of the lock ribs 61a so that the lock ribs 61a can be fitted therein, and second slots (both sides) adjacent to the first slots 70a so that the guide ribs 61b can be fitted. 70b) are formed on each side, and a coupling recess 70c is formed at one end of the hook 61c, and a protrusion 70d is formed at the bottom of the guide hole 64a. Front PCB panel assembly structure of the VCR, characterized in that consisting of (70). 2. The locking rib 61a of claim 1, wherein the locking rib 61a extends to both sides of the locking rib 61a in parallel with the front panel 61, and has a square shape having a predetermined area and thickness. VCR front PCB panel assembly structure, characterized in that consisting of. According to claim 1, wherein the guide rib (61b) is provided in a shape in which the center portion intersected in the front shape in the shape of the '+' intersecting manner protrudes to the front, the corresponding second slot (70b) is the protrusion Assembly structure of the front PCB panel of the VCR, characterized in that the formed portion is formed to have a width and the length in the vertical direction. According to claim 1, wherein the hook (61c) is elastically bent in the vertical direction while the end is formed in a shape that the locking jaw is provided in the lower direction, the corresponding coupling portion (70c) corresponding to the front PCB panel 70 Assembled structure of the front PCB panel of the VCR, characterized in that formed in the form of '凹' at the tip. The front of the VCR of claim 1, wherein the protrusion part extends downward from the lower end of the front PCB panel 70, and the corresponding guide hole 64a has a rectangular groove shape having a predetermined size. PCB panel assembly structure.