JPH0754935Y2 - Vertical multiple connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial application field" The present invention relates to a vertical multiple connector in which a plurality of round multipole plugs are inserted and removed.

"Prior Art" A conventional round multi-pole plug, a so-called DIN connector, which is a mating connector in which the plug insertion / removal surface is perpendicular to the wiring board when attached to the wiring board, so-called L
The wiring board connector is a single unit that is combined with one plug. In a set of electronic devices, a main wiring board is generally provided horizontally, and a plug is configured to be inserted into and removed from an L-shaped wiring board connector attached to the main wiring board on a side surface of the set. In the case of the removal structure, a plurality of L-shaped wiring board connectors are attached to the main wiring board horizontally, that is, side by side on the side surface of the set. However, depending on the set, in order to insert and remove multiple plugs, multiple connectors on the side of the set,
You may want to arrange them vertically. In this case, conventionally, the auxiliary wiring board is provided in close proximity to the side surface of the set,
A plurality of connectors, so-called S-type wiring board connectors, whose plug insertion / removal surface is parallel to the wiring board are vertically arranged and attached to the auxiliary wiring board, and the vertical auxiliary wiring board is horizontally connected by lead wires. It was connected to the wiring board. Therefore, an auxiliary wiring board is additionally required, and it is necessary to connect the auxiliary wiring board to the main wiring board, and there is a possibility that the connection may be defective, resulting in a high defect rate. Further, since a plurality of S-type wiring board connectors are used and attached one by one, there is a drawback that the installation work takes time and the occupied space becomes large.

[Means for Solving the Problems] According to the present invention, a plurality of annular recessed grooves are vertically formed and formed on the front surface of the body of the insulating material, and in the cylindrical portion surrounded by each of the annular recessed grooves, A plurality of contact accommodating holes extending forward and backward are formed, the contact bodies of the contacts are accommodated in the contact accommodating holes, and terminals extending to the bottom surface side of the body are integrally formed at the rear end of each contact body. , These terminals are located rearward with respect to the contact body above the arrangement direction of the annular grooves. A pair of semi-cylindrical bodies made of a metal material are housed in a second or more annular groove from the bottom so as to form a substantially cylindrical shape, and terminals integrated from these semi-cylindrical bodies are respectively left and right of the annular groove. Through to the bottom side of the body. Further, a base made of an insulating material is attached to the body so as to face the bottom surface of the body, and a plurality of small holes corresponding to the above-mentioned terminals are vertically formed through the base, and one terminal is inserted into each of these small holes. Be positioned. Claim 2
According to the invention, a switch is provided between the contact terminal accommodated in the portion surrounded by the lowermost annular groove and the contact terminal accommodated in the portion surrounded by the second annular groove from the bottom. Is mounted, and the operating plunger of the switch is projected into the lowest annular groove.

"Embodiment" FIG. 1 shows an exploded view of an embodiment of the present invention. The body 11 is made of a synthetic resin material and has a vertically long (upper and lower) rectangular parallelepiped shape.
2, 13, 14 are formed in an array vertically. These annular grooves 1
2 to 14 have the same size and the same shape, and are the portions into which the metal cylinders of the mating plugs are inserted and removed, and in order to match the angle, cylindrical columns surrounded by the annular recessed grooves 12 to 14 respectively. Recesses 15 are formed in the respective portions. In this example, the front end of the bottom surface of the body 11 projects downward, and the lowest annular groove 12 is formed over the projecting portion 16. As shown in FIGS. 1 and 7, a plurality of contact accommodating holes 17, 18, 19 are formed through the front and rear sides in a cylindrical portion surrounded by the annular recesses 12 to 14, respectively. In this example, the inside of the body 11 is a space, and the forming portions 21 of the plurality of contact receiving holes 18 are integrally formed so as to project rearward from the inner surface of the front plate portion 22 of the body 11, and similarly the plurality of contact receiving holes 19 are formed. The forming portion 23 is integrally formed so as to project rearward from the inner surface of the front plate portion 22, the upper forming portion 23 is longer than the lower forming portion 21,
That is, it projects backward. The contact receiving hole 17
Are formed in the front plate portion 22. Note that FIG. 7 shows the second
Although it is a central vertical cross-sectional view of the figure, the cutting position is partially shifted,
The contact receiving hole and the like are exposed.

The contact bodies 27, 28, 29 of the contacts 24, 25, 26 are inserted and accommodated from the back into the plurality of contact accommodating holes 17, 18, 19, respectively. In Fig. 1, each contact 24,25,
One 26 is shown for each. Each contact body 2
The rear ends of 7, 28 and 29 are bent downward at right angles and extended to form terminals 31, 32 and 33, respectively. Contact body 27,2
The terminals 31, 32, and 33 of the upper one of the 8, 29 are sequentially located rearward. Each terminal 31, 32, 33 is bent downward at the rear end of each contact receiving hole 17, 18, 19 respectively.

A metal cylindrical body 34 is housed in the lowermost annular groove 12. A slot is formed in the cylindrical body 34, and the terminal 35 integrally projects downward from the lower rear end, and when the cut-and-raised piece 36 on the side surface further inserts the cylindrical body 34 into the annular recessed groove 12 from the front, It engages with a concave portion (not shown) formed on the inner peripheral surface of the inner peripheral surface to prevent it from coming off. A pair of semi-cylindrical bodies 37a, 37b made of a metal material are housed in the second annular groove 13 from the bottom so as to form a substantially cylindrical shape. , And the terminals 38a and 38b that project downward through the right side are integrally formed. In this example, the terminals 38a and 38b respectively extend slightly downward, then are bent outward at right angles to each other, and then again bent and extended downward. When the semi-cylindrical bodies 37a, 37b are inserted into the annular recessed groove 13 from the front, the grooves 39a, 39b through which the terminals 38a, 38b pass are the annular recessed grooves.
It is formed in communication with 13. The semi-cylindrical bodies 37a, 37b are cut and raised with retaining pieces 41a, 41b. Also terminal 38
Body a and 38b are contacted to the left and right sides of body 11
Although it is projected below the bottom surface of 1, it may be projected from the bottom surface through the inside of the body 11. Similarly, a pair of semi-cylindrical bodies 42a and 42b made of a metal material are also housed in the annular groove 14, and
Terminals 43a, 43b, which are integral with 2a, 42b, are projected from the left and right of the annular groove 14 below the bottom surface of the body 11. Terminals 43a, 43b
Is located rearward of the terminals 38a and 38b, as shown in FIG.

As shown in FIG. 7, a switch 44 is provided between the terminal 31 of the contact 24 corresponding to the lowermost annular groove 12 and the terminal 32 of the contact 25 corresponding to the second annular groove 13 from the bottom. , The plurality of terminals 45 of the switch 44 project from the bottom surface, the fixed contacts 46 integrated with each terminal 45 are arranged in the front and rear, the operation plunger 47 projects forward, and the projecting end is the lowest annular groove.
The movable contact piece is inserted into the operation plunger 47 at the inner end of the operation plunger 47.
48 is held, and the operation plunger 47 is biased forward by the coil spring 49.

Insulation base facing the open bottom of body 11
51 is attached to the body 11. In this example, as shown in FIG. 1, in the case where the contact regulating piece 52 protruding upward is integrally formed at the rear portion of the base 51, the contact regulating piece 52
As shown in FIG. 5, the protrusions 53 protruding in the middle of the left and right side surfaces of the body 11 are recesses formed on the inner surfaces of the left and right side plates of the body 11.
The base 51 is inserted and engaged so as to prevent the base 51 from falling out of the body 11. Further, as shown in FIG. 1, U-shaped engaging portions 55a and 55b extending vertically are formed integrally on both upper sides of the back surface of the contact restricting piece 52, and the inner sides of the U-shape are opposed to each other. As shown in FIG. 6, the U-shaped engaging portions 55a and 55b are inserted and engaged from the bottom to the protrusions 56a and 56b integrally formed on the upper portion of the rear end of the right side surface, and the base 51 is attached to the body. It is fixed in the front-back direction with respect to 11. The front surface of the base 51 is in contact with or close to the rear surface of the lower end portion of the front plate portion 22 of the body 11. A plurality of small holes are vertically formed through the base 51, and a plurality of terminals 31, 32, 33 are respectively inserted and positioned in the small holes as shown in FIGS. 4 and 7. It Further, as shown in FIGS. 1 and 4, the groove 57 at the center of the front end of the base 51 and the grooves 58a, 58b, 59a, 59b on both sides are formed.
Terminals 35, 38a, 38b, 43a, 43b are respectively inserted and positioned in the. The upper surface of the contact restricting piece 52 has terminals 32, 33
A hole 61 is formed in the contact restricting piece 52 in the vicinity of the bending position of the contact hole and through which the terminals 32 and 33 are inserted. Each hole 61 communicates with the terminal positioning small hole of the base 51 described above. The hole 61 is, for example, a terminal as shown in FIG.
33 is inserted, both sides of the rear surface of the terminal 33 are brought into contact with the surface of the hole 61, and serve as stoppers to the rear of the terminals 32, 33. As shown in FIG. 7, in front of the switch 44, a short contact restricting piece 62 is integrally projected on the base 51, and a vertically penetrating hole is formed in the contact restricting piece 62.
31 is inserted and serves as a stopper for the rear of the terminal 31.

A square through hole 63 is formed in the intermediate portion of the base 51 as shown in FIGS. 1, 4, and 7, and a switch 44 is formed in the through hole 63.
Is engaged, and the claw 64 protruding in front of the switch 44 is
Although not shown in the drawing, an engaging hole 66 that is engaged with an engaging portion 65 formed on the front surface of 63 and that is formed at the upper end of the front surface of the switch 44 is a square hole at the lower front surface in FIG. The switch 44 is fixed by engaging an internal small protrusion 67 that can be seen through. The switch 44 is positioned by the base 51, and the switch terminal 45 is also positioned. Each terminal 31, 32, 33, 35, 38a, 38b, 43
The protrusion lengths of a, 43b, 45 from the base 51 are the same. The two positioning bosses 68 have the same length from the bottom surface of the base 51 and are integrally projected longer than the terminals, so that the terminals can be easily positioned with respect to the holes of the wiring board when the terminals are attached to the wiring board. .

According to this configuration, when the multiple connector is attached to, for example, a horizontal wiring board, three connectors are integrally provided in the vertical direction, and the annular concave grooves 12, 13, 14 arranged vertically are formed. Insert the cylindrical part of the plug into either
Insert the contact pin of the plug into the contact body (27 or
28 or 29) can be contacted. When the plug is inserted into the annular groove 12, the cylindrical body 34 acts as a holding force for the plug, and when inserted into the annular groove 13 or 14, the semi-cylindrical body 37a, 37b or 42a, 42b. Acts as a holding force. Further, since the semi-cylindrical bodies 37a, 37b and 42, 42b are electrically connected to each other at the cylindrical portion of the plug when the plug is inserted, they can also be used as switches, respectively. When the plug is inserted into the annular groove 12, the operation plunger 47 is pushed backward by the cylindrical portion,
The fixed contact piece 46 in contact with the movable contact piece 48 of the switch 44 is switched, and the switch 44 is operated.

It is also possible to attach this multiple connector together with other connectors to the composite board and attach it to the wiring board. For example, as shown in FIGS. 9 to 11, the multiple connector 71 shown in the above-described embodiment is attached to the rear surface of the composite plate 69 and a plurality of pin jacks 72 are attached to the composite plate 69. In the composite plate 69, each connector portion of the multiple connector 71, that is, the annular concave grooves 12, 13, and 14 are opposed to each other, and thereby a slightly large circular hole 73 is formed. On the rear surface of the composite plate 69, the holding plates 74a, 74b, 74 which closely face the upper surface and the left and right side surfaces of the multiple connector 71, respectively.
c is integrally formed, and when the multiple connectors 71 are fitted into the holding plates 74a, 74b, 74c from the rear side, the stepped portion 75 on the upper surface of the body 11 is placed on the inner surface of the holding plate 74a as shown in FIG. Formed nails 76
As shown in FIG. 11, the claws 78 formed integrally with the rear ends of the holding plates 74b and 74c are engaged with the step portions 77 formed on the left and right side surfaces of the base 51, respectively. Then, the multiple connector 71 is prevented from coming off. When a plurality of connectors are attached to the composite plate 69 and the terminals of the respective connectors are used by connecting to the wiring board, the upper connector portion apart from the wiring board, for example, in the annular groove 14 is used. Even if the plug is inserted and the plug is twisted, the holding plates 74a, 74b, 74c limit the movement of the multiple connector 71, and there is no fear that the connection between the terminal and the wiring board is damaged. As shown in FIG. 1, the grooves 81, 82 on the side surface of the body 11 engage with the inner surface protrusions of the holding plates 74b, 74c to serve as a guide at the time of insertion and a reinforcement against the twisting.

In the embodiment shown in FIG. 1, any one of the contacts 24, 25 and 26 may be omitted, that is, it may be used as a double connector. Further, the switch 44 may be omitted. Cylindrical body 34
Instead of, a pair of semi-cylindrical bodies 37a, 37b may be used. Further, the number of contacts used for each connector portion, that is, the number of poles is not limited to four. Further, the number of connector parts is not limited to three. 12 to 14 show an example of a vertical double connector without a built-in switch, the parts corresponding to those in FIGS. 1 to 7 are designated by the same reference numerals, and the description thereof will be omitted. In this case, since the switch 44 is not provided, the length in the front-back direction becomes short. Since there is no switch, the lower cylindrical body 34 also
As in the above case, it is desirable that the pair of semi-cylindrical members be formed so that they act as switches by inserting and removing the plugs. In the above description, when the contact bodies 27, 28, 29 are inserted into the contact accommodating holes 17, 18, 19, respectively, the cut-and-raised pieces of the contact body engage with the recesses in the accommodating holes to prevent rearward removal. Contact restriction piece 5
2,62 may be omitted.

[Advantage of Invention] As described above, according to the present invention, a plurality of connector parts are vertically arranged in one body, and the terminals of each connector part are projected from the bottom surface. A connector is configured, and this connector can be directly attached to a horizontal main wiring board. Conventionally, a plurality of S-type wiring board connectors are attached to a vertical auxiliary wiring board, and the auxiliary wiring boards are connected to the main wiring board. Compared with the case, the defect rate can be reduced, the occupied area is small, and the handling and connecting work to the substrate are easy.

Since the position of each terminal is regulated by the base, connection to the wiring board is easy. Since a pair of semi-cylindrical bodies are used for the metal for holding the plug that is housed in the second or more annular groove from the bottom, and the terminals are led out from the left and right, these semi-cylindrical bodies can be easily made from the front. It can be incorporated and can also be used as a switch that is turned on and off by the cylindrical portion of the plug when the plug is inserted and removed. When a lateral component is provided in the middle of a semi-cylindrical body terminal as in this embodiment, the force received by the semi-cylindrical body due to plug insertion / removal or prying of the plug is the lower end of the terminal, that is, the wiring board. It is difficult to reach the connection part with and there is no risk of this connection part being damaged. When the base is provided with the boss 68 for positioning and positioning with respect to the wiring board, accidents such as terminal deformation during mounting can be prevented. When the contact regulating piece is provided on the base, when the base is attached to the body, the subsequent terminals are sequentially inserted into the holes of the contact regulating piece, so that the attaching work becomes easy.

[Brief description of drawings]

1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a front view of the embodiment, FIG. 3 is a right side view of FIG. 2, and FIG.
FIG. 5 is a bottom view of FIG. 2, FIG. 5 is a rear view of FIG. 2, FIG. 6 is a top view of FIG. 2, and FIG. 7 is a longitudinal sectional view of FIG. FIG. 8 is a view showing the relationship between the hole 61 of the contact regulating piece and the contact, FIG. 9 is a front view showing a state where the embodiment of FIG. 2 is attached to the composite plate, and FIG. 10 is a right side of FIG. FIG. 11 is a bottom view of FIG. 9, FIG. 12 is a front view showing another embodiment of the present invention, FIG. 13 is a right side view of FIG. 12, and FIG. It is a bottom view.

Claims (2)

[Scope of utility model registration request] 1. A plurality of annular recessed grooves are vertically arranged and are formed on a front surface, and a plurality of contact receiving holes extending forward and backward are formed in a cylindrical portion surrounded by the respective annular recessed grooves. A body made of a synthetic resin material having an open bottom surface and a back surface, a contact body is housed in each of the contact housing holes, and terminals extending to the bottom surface side of the body are integrally formed at the rear ends of the contact bodies. These terminals are formed in a plurality of contacts which are located rearward with respect to the contact body above the arrangement direction of the annular groove, and the second or more contacts from the bottom in the annular groove are substantially cylindrical. And a pair of semi-cylindrical bodies made of a metal material having terminals extending from the left and right of the annular groove to the bottom surface side of the body, Serial attached to the bottom surface and opposite to the body of the body, vertical multiple-connector comprising a base made of an insulating material having a plurality of small holes each terminal is positioned inserted. 2. A terminal of the contact housed in a portion surrounded by the lowermost one of the annular recessed grooves, and a portion surrounded by a second lowermost one of the annular recessed grooves. A switch is mounted between the contact and the terminal of the contact, and an operating plunger of the switch projects into the lowermost annular groove.
Vertical multiple connector described.