JPH0124873Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a connector, and an object of the present invention is to provide a connector that can perform a connection operation with a small operating force and can ensure electrical connection.

FIG. 1 is an exploded perspective view of one embodiment of the connector according to the present invention, and FIG. 2 is a longitudinal cross-sectional view showing one example of the socket mounting bracket of the connector in an attached state. In the figure, a connector 1 consists of a plug 2 and a socket 3. The plug 2 is assembled by inserting a plurality of plug pins 5 into a resin molded body 4 (or integrally molded).
The molded body 4 has an engagement plate 6 integrally protruding from one side of the upper surface over substantially the entire length in the longitudinal direction.
The engagement plate portion 6 has an engagement protrusion 7 (having vertically inclined step portions 7a and 7b) extending over substantially the entire length in the longitudinal direction at a predetermined height position on the inner surface.

As shown in FIG.
The molded body 8 has an engagement protrusion 12 (having vertically inclined step portions 12a and 12b) extending substantially over the entire longitudinal length at the lower part of one side in the longitudinal direction. It has a pair of guide protrusions 8a at both ends thereof, and a protrusion 8b on the other side in the longitudinal direction. The mounting hole 9 has a rectangular cross section as shown in FIG. 2, and has wide and narrow grooves 9a and 9b on the front and rear inner surfaces, a locking hole 9c at the lower part of the rear surface, and a rectangular opening 9d at the lower end. Note that this locking hole 9c is provided on the opposite side of the engagement protrusion 12. The reason for providing this on the opposite side is to prevent interference with the engagement protrusion 12.

The mounting bracket 11 is made of a metal plate as shown in FIG.
The main body plate portion 11a is pressed into a shape having a wire holding portion 11b, a wire conduction portion 11c, a frame portion 11d, a pin pressing portion 11e, and a locking piece portion 11f, and is bent along the dotted line in the figure. , the configuration shown in FIG. 3 was obtained. At this time, the wire holding part 11
b locks the covering portion 10a of the covered wire 10, and the wire conducting portion 11c similarly locks the wire 10b to make them conductive to each other, and the pair of frame portions 11d are each bent into a U-shape and combined. A frame body is formed by the frame portion 11d and the main body plate portion 11a, and the pin pressing portion 11e is bent into a flat circular shape within the frame portion 11d, and is attached to the left side plate portion of the frame portion 11d as shown in FIG. The locking piece portion 11f, which is close to or in contact with the other, is cut and raised to the right in FIG. 2 at a predetermined angle.

Therefore, this metal fitting 11 (with coated wire 10)
From above the mounting hole 9 of the socket 3, insert the side tip of the frame 11d and the locking piece 11f into the groove 9a, respectively.
When the locking piece 9b is fitted and guided and pushed into the mounting hole 9 as shown in FIG. 2, the locking piece 11f springs back and engages with the upper end of the locking hole 9c, preventing it from coming off upward. Ru.

Next, when this socket 3 is attached to the plug 2 from above as shown in FIG.
is inserted into the frame part 11d through the frame part 1 in the same figure.
1d, the lower surface of the mold body 8 and the mold body 4 are inserted between the left side plate part and the pin pressing part 11e while elastically deforming the pressing part 11e as shown by the two-dot chain line in the figure.
When the upper surfaces come into contact, they reach the position shown by the two-dot chain line in the figure. In this way, the plug pin 5 is held between the frame portion 11d and the pressing portion 11e, and conduction is established.

Also, at this time, the engagement plate portion 6 moves upwardly on one side in the longitudinal direction of the socket 3 while being guided by the guide convex portion 8a, and first, the inclined step portion 7a of the engagement protrusion 7 aligns with the inclined step of the engagement protrusion 12. After being elastically deformed outward by riding on the portion 12b, the inclined stepped portion 7b returns to its deformed state as it engages with the inclined stepped portion 12a, causing both the engagement protrusions 7 and 12 to engage with each other. Thus socket 3
is locked to the plug 2 by the above engagement.

According to the above structure, since the engagement between the two engagement protrusions 7 and 12 is carried out over substantially the entire length of the plug and the sockets 2 and 3 in the longitudinal direction, the engaged (locked) state is extremely stable.

Next, to remove the socket 3 from the plug 2, put your finger on the upper end protrusion 8b of the socket 3 and pull it upward.
The engagement is released by overcoming this, and the plug pin 5 relatively comes out of the mounting hole 9 (frame portion 11d) (the above-mentioned conduction is also released), and the socket 3 can be pulled out upward. At this time, the socket 3 is similarly pulled out upwardly by the guide of the guide convex portion 8a and the engagement plate portion 6, and the plug pin 5 and the metal fitting 11 are pulled out.
Moreover, the extraction work is easy because all you have to do is hook your finger on the protrusion 8b when removing it.

Next, when you want to remove the metal fitting 11 from the mounting hole 9 of the socket 3, insert a screwdriver or the like in FIG. When the wire is bent back until it is flush with the portion 11a and the covered wire 10 is pulled upward in this state, the mounting bracket 11 is taken out together with the covered wire 10.

FIGS. 5 to 7 show modified examples of the above-mentioned mounting bracket. In the figure, the mounting fitting 21 is made of a metal plate, substantially similar to the above-mentioned mounting fitting 11, and includes a main body plate portion 21a, a wire holding portion 21b, a wire conduction portion 21c, a frame portion 21d,
Support plate portion 21e, pin pressing portion 21f, locking piece portion 2
It has a weight of 1 g and is bent as shown in FIGS. 5 and 6. Therefore, the wire holding portion 21b locks the covering portion 10a of the covered wire 10, and the conductive portion 21c conductively locks the wire 10b. The pair of frame portions 21d are each bent into a U-shape and combined to form a facing surface 21d-1 facing the main body plate portion 21a.
form. A pair of support plate portions 21e are also included,
It is located between the opposing surface 21d-1 and the main body plate portion 21a. A frame body is formed by the frame portion 21d and the support plate portion 21e. As shown in FIG. 5, the pin pressing portion 21f is folded back above the left side of the support plate portion 21e, passes downward on the right side of the support plate portion 21e, and comes into contact with the main body plate portion 21a. Locking piece 21g
is cut outward.

This metal fitting 21 is pushed into the mounting hole 9 of the socket 3 and locked in the same way as the metal fitting 11 described above. Subsequently, when the socket and plugs 3 and 2 are attached, the plug pin 5 is inserted between the left side plate of the frame portion 21d and the pin pressing portion 21f to establish electrical continuity, as shown by the two-dot chain line in FIG. At this time, the pin pressing portion 21f is elastically deformed to the right in the figure, and the support plate portion 21f is elastically deformed to the right in the figure.
1e, the plug pin 5 is relatively held between the opposing surface 21d-1 of the frame portion 21d and the support plate portion 21e via the pin pressing portion 21f. Therefore, firstly, the pressing force of the pin pressing portion 21f against the plug pin 5 is applied by the elastic force of the upper and lower elastic bending portions, so the force is doubled compared to when there is only one elastic bending portion. death,
Conductive contact between the plug pin 5 and the metal fitting 21 is ensured. Secondly, the effect of the support plate portion 21e ensures the above-mentioned conduction, and the plug pin 5 is held without play by the mounting bracket 21, making the mounting state of the socket and the plugs 3, 2 more stable. Further, in this support plate portion 21e, a portion of the pin pressing portion 21f that is in contact with the plug pin 5 is attached to the main body plate portion 21a.
5, so that it is restricted from being displaced more than necessary in the right direction in FIG. Therefore, even if, for example, the coated wire 10 in FIG. 5 is strongly pulled to the left in FIG. The deformation of the pressing part 21f in the crushing direction is prevented by the support plate part 21e (when the pin pressing part 21f is crushed, the plug pin 5 rattles within the frame part 21d, and the contact between the plug pin 5 and the frame part 21d is prevented). ), the plug pin 5 and the frame portion 21d maintain a stable electrical connection state.

Furthermore, thirdly, the pin pressing portion 21f is easy to bend in the insertion direction of the plug pin 5, and there is little resistance to insertion of the plug pin 5 into the frame portion 21d. , the socket and the plug can be easily connected with a small operating force, and the plug pin 5 is connected to the frame 21d.
After being inserted into the interior, the plug pin 5 is held between the pin pressing part 21f and the frame part 21d, and when a force is applied to the plug pin 5 in the direction of pulling it out from the frame part 21d, the pin pressing part 21f The pin pressing portion 21 acts in a direction that bites into the plug pin 5.
Since the contact condition between f and the plug pin 5 changes to improve, the electrical connection between the plug and the socket becomes reliable.

FIG. 8 shows another embodiment of the above connector. The connector 31 consists of a plug 32 and a socket 33. The plug 32 has a plurality of plug pins 5 in a molded body 34, and has an engagement protrusion 35 (sloped step portions 35a, 35b) over the entire length of one longitudinal side. The socket 33 is a mounting bracket 11 or 2 that has a covered wire 10 in each of the plurality of mounting holes 9 (or mounting holes of other shapes) of the molded body 36.
1 (or metal fittings of other shapes may be used) are individually inserted and locked. The mold body 36 has a protrusion 36a on the upper end of one side in the longitudinal direction, and also has an engagement plate part 37 projecting from the lower part over the entire length in the longitudinal direction, and an engagement protrusion 38 on the inner lower end of the engagement plate part 37 over the entire length. (vertically inclined step portions 38a, 38b). In this case, the locking hole 9c is provided on the opposite side of the engagement plate portion 37, as in the above embodiment.

When this socket mold 33 is attached to the plug 32, the plug pin 5 is inserted into the mounting bracket to establish electrical conduction as in the above embodiment, and the engagement plate portion 37 first moves to the inclined stepped portion of the engagement protrusion 38. 38
b rides on the inclined stepped portion 35a of the engagement protrusion 35 and is elastically deformed outward, and then returns to deformation as the other corresponding inclined stepped portions 38a, 35b engage, resulting in the double protruding portions 38, 35. to lock the socket and plugs 33, 32. In this case as well, the engagement of the engagement protrusions 38 and 35 is achieved through the socket and the plug 33,
32, the locked state is extremely stable.

Next, to remove the socket 33 from the plug 32, simply pull the socket 33 upwards,
As a result, the engagement protrusion 38 is connected to the corresponding inclined step portion 38a,
By the slope guide 35b, the engagement protrusion 35 rides up and further over, and the engagement is released with reciprocating elastic deformation of the engagement plate portion 37. At the same time, the plug pin 5 comes out and the electrical connection is also released.

Although wires were used as the mounting fittings in the above embodiments, a socket using a flat cable will now be described with reference to FIG. 9. Components that are the same as those of the socket 3 shown in FIG. 2 are designated by the same reference numerals, and their explanations will be omitted. FIG. 10 shows a perspective view of the contact. The flat cable 40 is inserted and fixed between the molded body 44 into which the contact 41 is inserted and fixed and the cover 45 by the forked portion 42 of the contact 41, and the flat cable 40 and the contact 41 electrical continuity is measured. Then, the plug pin 5 is inserted into the molded body 44, and electrical continuity is established between the plug pin 5 and the contact 41. The plug 2 shown in FIG. 1 is also connected to the socket 43 using such a flat cable.

Socket 4 using flat cable 40
3 is not limited to the above-mentioned embodiment, but the structure may be such that the socket 43 is provided with an engagement plate portion and the plug side is provided with an engagement protrusion, similar to the second embodiment shown in FIG.

As mentioned above, according to the connector of the present invention,
The mounting bracket that connects the wire and is housed inside the socket has a frame part into which the plug pin of the plug is inserted when connecting the socket to the plug, and a mounting bracket that is pressed against the plug pin inserted into the frame part to insert the plug pin into the frame part. The structure has a pin pressing part that is held between It is easy to bend, and there is little resistance to insertion of the plug pin into the frame, making it possible to easily connect the socket and plug with a small amount of operating force.Furthermore, once the plug pin is inserted into the frame, the plug pin will remain in the pin position. When the plug pin is held between the pressing part and the frame part and a force is applied to the plug pin in the direction of pulling it out from the frame part, the pin pressing part acts in the direction of biting into the plug pin, resulting in the contact state between the pin pressing part and the plug pin. Since this changes in the direction of improvement, the electrical connection between the plug pin and the socket can be ensured, and the pin pressing part can be folded back so that the folded tip side faces the main body plate part again. Since it is turned back and has a roughly loop shape, the pressing force against the plug pin is obtained by the elastic force generated from the two folded parts, the upper and lower parts, compared to the case where there is only one folded part. The pressing force is doubled, and this also ensures the electrical connection between the plug and the socket.Furthermore, the above-mentioned pressing force is applied by the support plate part, and the pin pressing part is crushed. Deformation in the direction is prevented, and the pin pressing portion is prevented not only in normal cases but also in cases where, for example, the wire is strongly pulled and a strong force is applied in the direction in which the socket is displaced laterally with respect to the plug. The plug pin is prevented from being crushed, the plug pin can be securely held within the frame, the plug pin does not shake within the frame, and the electrical connection between the plug and the socket can be stably maintained.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of one embodiment of the connector according to the present invention, Fig. 2 is a longitudinal cross-sectional view showing an example of the mounting state of the mounting bracket of the socket of the above-mentioned connector, and Figs. 3 and 4 are respectively the above-described A perspective view of the mounting bracket and a diagram showing the manufacturing process; FIGS.
The figure is an exploded perspective view of another embodiment of the above connector, and Figures 9 and 10 are a vertical cross-sectional view of a socket and a flat cable assembly when the above connector is applied to a flat cable assembly, respectively, and a socket. FIG. 3 is a perspective view of a contact. 1, 31... Connector, 2, 32... Plug,
3, 33, 43...socket, 4, 8, 34, 3
6, 44...Mold body, 5...Plug pin,
6, 37... Engagement plate portion, 7, 12, 35, 38...
...Engagement protrusion, 9...Mounting hole, 9c...Locking hole, 1
0... Covered wire, 11, 21... Mounting bracket, 1
1d, 21d...Frame part, 11e, 21f...Pin pressing part, 11f, 21g...Locking piece part, 21e...
...Support plate part.

Claims (1)

[Scope of utility model registration request] In a connector configured such that a socket for storing a mounting bracket to which a wire is connected is attached to a plug in which a plug pin is installed by bringing the mounting bracket and the plug pin into conductive contact, the mounting bracket has a width larger than the width of the elongated main body plate. A crimping part is formed by bending a protruding part in the direction to crimp the wire, and another protruding part in the width direction from the main body plate part is bent to form an opposing surface facing the main body plate part. a supporting plate portion which is located between the opposing surface of the frame portion and the main body plate portion by bending a part of the frame portion; A connector having a generally loop-shaped pin pressing part formed by folding back the pin to fit between the facing surface of the main body plate part and the support plate part, and folding the tip end side again to face the main body plate part.