JPS6226830Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a storage drum structure for a tape storage case, and particularly includes a side plate body having an arc shape corresponding to one arc obtained by dividing a circle into N equal parts, and a partition wall arranged to protrude from the side plate body. It is an object of the present invention to provide a tape storage casing storage drum structure formed by arranging and combining N holder members facing each other in the circumferential direction to form an annular shape.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the tape storage case and storage drum structure according to the present invention, that is, an embodiment in which the tape storage case is a cartridge will be described below with reference to the drawings.

FIG. 1 shows an automatic cartridge selection performance device to which a cartridge storage drum according to an embodiment of the present invention is applied. This cartridge automatic selection performance device 1 includes a cartridge storage drum section 2 for storing cartridges, a deck section 3, a mounting section 4 for mounting the cartridge on the deck section 3, and an ejection section 5 for discharging the cartridge from the deck section 3. It is structured more roughly.

The cartridge storage drum section 2 has a structure in which two drums 2-1 and 2-2 are arranged side by side, and a horizontal shaft 6
Rotates around. Both the rear drum 2-1 and the front drum 2-2 have annular side walls 2-1a, 2-1b, 2-2b on both sides and partition walls 2-1c arranged radially between the both side walls. , 2-2c, and a cartridge storage chamber 7 is defined between adjacent partition walls. The cartridges are stored in each storage chamber 7 with their front openings facing the inner circumferential side of the drum.

The deck section 3 consists of one deck, and is disposed within the inner space of the drum section 2, shifted in the direction of the shaft 6, and faces the drum 2-1 or 2-2. The mounting section 4 includes mounting mechanisms 4a and 4b provided facing each drum 2-1 and 2-2, respectively. The discharge section 5 is provided above the deck section 3.

The automatic cartridge selection performance apparatus 1 operates in the following operating modes in sequence.

Cartridge selection mode The cartridge storage drum section 2 rotates, the deck section 3 shifts, and the cartridge to be played is selected.

Cartridge mounting mode Mounting mechanism 4a or 4 corresponding to deck part 3
b operates to push out the cartridge in the drum 2-1 or 2-2 and mount it on the deck section 3.

Cartridge performance mode The cartridge in which the deck part 3 is attached is played.

Cartridge ejection mode After the performance, the ejection section 5 operates to eject the cartridge from the deck section 3 and return it to the original drum.

Next, the cartridge storage drum 2-
1 and 2-2 will be explained with reference to FIGS. 2 to 4.

The cartridge storage drums 2-1, 2-2 are constructed by combining the holder members 10 shown in FIGS. 2A, B, and C as shown in FIGS. 3 and 4.

The holder member 10 includes a side plate main body 10a with an angle of 72° corresponding to one arc obtained by dividing a circle into five equal parts, and five vertical partitions arranged at a predetermined pitch P along the arc on one side of the side plate main body 10a. Walls 10b to 10f
It becomes more. The length of the pitch P is approximately twice the thickness T of the cartridge 11. Further, the partition walls 10b to 10f have a triangular cross section, and the inside thereof is hollow as shown in FIGS. 2B and 2C. Further, the protruding height dimension H of the partition walls 10b to 10f is a dimension that determines the width of the drum, and is approximately equal to the width W of the cartridge 11.

Further, 12a and 12b are reinforcing rod insertion holes, which are shifted by P/2 pitch, one 12a passing through the partition wall 10e, and the other 12b passing through the partition wall 10e.
and 10f. In this way, the reinforcing rod insertion holes 12a and 12b are
The reason why two holder members 10 are provided, shifted by 2 pitches, is to enable the same holder members 10 to be combined with each other.

In addition, 13A is a pilot hole for a tapping screw,
A total of five pieces are arranged on the top surface of each partition wall 10b to 10f. 13B is a stupid hole, and the side plate main body 10a
It is placed exactly in the middle between adjacent partition walls. When the holder members 10 are assembled as described later, the tapping hole 13A and the hole 1 are connected to each other.
3B faces each other. This tapping hole 13
A and the hole 13B are holes for joining the pair of holder members 10 in a state where they are opposed to each other in cooperation with a tapping screw.

14A is a pilot hole for a tapping screw, and 14B is a blank hole, which are used in cooperation with the tapping screw to fix the side plate main body 10a and the support disk 15, or the side plate main bodies back to back.

Further, 16A is a convex portion, and 16B is a hole, which are the tops of the partition walls 10b to 10f and the side plate main body 10a, respectively.
It is used for positioning when the holder members are assembled facing each other.

The holder member 10 described above is much smaller in size than a drum, and can be formed using a relatively inexpensive mold.

Next, combine the above holder members 10,
A method of assembling the rear drum 2a and the front drum 2b will be described with reference to FIGS. 3 and 4.

Five reinforcing rods 17 are planted on the support disk 15 at equal angular intervals.

First, prepare five holder members 10, and hold the holes 12 with the partition walls 10b to 10f protruding forward.
a to the reinforcing rod 17 and press it to bring the side body 10a into contact with the support disk 15. In this state, insert the self-tapping screw 18 through the hole 14B of the holder member 10 into the tapping screw pilot hole of the support disk 15. The holder member 10 is supported by the disc 15
Screw on top. In this way, the five holder members 10 are arranged in the circumferential direction and fixed on the support disk 15. Thereby, on the support disk 15, a half body of the rear drum 2a is formed in which the five holder members 10 ₁ to 10 ₅ are arranged in the circumferential direction to form an annular shape.

Next, five more holder members 10 ₆ to 10 ₁₀
are prepared, and each holder member is connected to partition walls 10b to 10.
It is combined with the corresponding holder members 10 ₁ to 10 ₅ with f protruding toward the support disk 15 side. One holder member ₁₀₆ has the insertion hole 12b fitted into the reinforcing rod 17, and the partition walls 10f, 10e are connected to the partition walls 10d, _10e , 1 of the holder member 101.
between the partition wall 10d of the holder member ₁₀₁ and the partition wall 10b of the holder member ₁₀₅ , the partition wall 10c, 10b
The partition walls 10b and 10c of the holder member ₁₀₅ ,
It is fitted between the holder members 10c and 10d, that is, the partition walls of the holder member ₁₀₆ and the partition walls of the holder members ₁₀₁ , ₁₀₅ are alternately located, and combined with the holder members ₁₀₁ , ₁₀₅ . At this time, the convex portion 16A and the hole 16B
are fitted, and each partition wall is positioned exactly at the center of the adjacent partition walls of the mating holder member. The holder member ₁₀₆ is fixed to the holder member 101 by screwing the self-tapping screw 19 through the blank hole 13B of the holder member ₁₀₆ into the screw _hole 13A of the mating holder member ₁₀₁ . As for the other holder members 10 ₇ to 10 ₁₀ , similarly to the above case, the holder members 10 ₂ to 10 are attached to the other side, respectively.
₅ and are fixed with screws.

This constitutes the rear side storage drum 2-1. In this storage drum 2a, side plate bodies 10a, 10a which are combined into an annular shape are opposed to each other with a distance W apart from each other, and the side plate bodies 10a facing apart from each other are
The space between a and 10a is partition wall 10b and 10
c, 10c, 10b, . . . have a structure partitioned by a pitch P/2 (=T) in the circumferential direction. Here, the space between adjacent partition walls has a shape corresponding to the cross-sectional shape of one cartridge, and this becomes the cartridge storage chamber 7. Therefore, storage drum 2-
1 has a structure in which 50 cartridge storage chambers 7 are arranged radially.

When the structure of the rear side storage drum 2-1 is schematically shown in an expanded state, it is as shown in the lower part of FIG. 4.

Further, the front side storage drum 2-2 has five holder members 10 ₁₁ to
10 ₁₅ are arranged in an annular shape and fixed to the side surface of the storage drum 2-1, and then five holder members 10 ₁₆ to 1
0 ₂₀ with the holder members 10 ₁₁ to 10 ₁₅ (see the upper part in FIG. 4).

Note that the tip of each reinforcing rod 17 is provided as a pilot hole for a screw, and its end surface almost coincides with the surface of the front drum 2-2. A screw 21 is inserted into the prepared screw hole 17a and a washer 2 whose outer diameter is larger than that of the hole 12b.
2 are screwed together, and the pair of drums 2-1 and 2-2 are held between the screw 21 and washer 22 and the support disk 15, and are in close contact with each other, and are attached to the support disk 15 without wobbling. Firmly fixed.

As mentioned above, the storage drums 2-1 and 2-2 have a structure formed by combining 20 holder members 10,
Since the reinforcing rods 17 are provided penetrating through each holder member 10, the seams 20 in the circumferential direction of each holder member 10 do not match in the axial direction and are staggered, as shown in FIG. Because
It has sufficient strength.

Note that the cartridge 11 has a convex portion 10a-1 on the side plate 10a of the holder member 10 in the side recess.
is stored in each storage chamber 7 in a state where it is elastically fitted.

In addition, in the above embodiment, the storage drum section 2
Although it has a two-layer structure with two storage drums arranged side by side, it is of course possible to have a single-layer structure, or a three-layer or even four-layer structure by further combining holder members. Further, in the above embodiment, the holder member 10 has an arc shape having a circumference of 1/5, but the shape is not limited to this, and any arc corresponding to an integer fraction of a circle may be used. Furthermore, by making the shape of the storage chamber correspond to the casing in which it is to be stored, the storage drum having the above structure can be applied not only to cartridges but also to drums for storing cassettes and the like. Furthermore, the storage drum of the present invention is
In addition to being used as a storage drum for an automatic selection performance device, it can also be used as a normal storage drum.

As mentioned above, the tape storage case storage drum structure according to the present invention includes a side plate main body having an arc shape corresponding to one arc obtained by dividing a circle into N equal parts, and a side plate main body that protrudes from the main side plate and extends vertically along the circumferential direction. The structure is such that the same holder members consisting of arranged partition walls are arranged opposite each other so that the partition walls are alternately positioned, and combined by arranging N pieces in the circumferential direction to form an annular shape. By combining the parts, a circular storage drum can be constructed, and only one inexpensive mold is required, which has the advantage of effectively reducing costs.

[Brief explanation of the drawing]

Fig. 1 shows an automatic cartridge selection performance device incorporating an embodiment of the tape storage casing and storage drum of the present invention, and Fig. 2A and B show common parts constituting the storage drum of the present invention, respectively. The front and rear views of the holder member shown in FIG.
3 is a cross-sectional view taken along the line, FIG. 3 is a diagram showing a mode of combining holder members, and FIG. 4 is a diagram schematically showing an expanded view of a drum structure formed by combining holder members. 1... Cartridge automatic selection performance device, 2...
Cartridge storage drum section, 2-1, 2-2...
Cartridge storage drum, 2-1a, 2-1b,
2-2a, 2-2b... side wall, 2-1c, 2-2
c...Partition wall, 3...Deck part, 4...Cartridge mounting part, 5...Cartridge ejection part, 7...
...Cartridge storage chamber, 10...Holder member, 1
0a... Arc-shaped side plate, 10b to 10e... Partition wall, 11... Cartridge, 12a, 12b...
Reinforcement rod insertion hole, 13A, 14A... Pilot hole for tapping screw, 13B, 14B... Stupid hole, 15
... Support disk, 16A ... Convex portion, 16B ... Hole,
17... Reinforcement rod, 18, 19... Self-tapping screw, 20... Seam, 21... Screw, 22...
...Watsiya.

Claims (1)

[Scope of utility model registration request] The same holder member consisting of an arc-shaped side plate body corresponding to one arc obtained by dividing a circle into N equal parts, and partition walls protruding from this side plate body and arranged vertically along the circumferential direction, is divided into two parts. This tape storage case storage drum structure is formed into an annular shape by arranging and combining N pieces in the circumferential direction with walls facing each other so as to be positioned alternately.