JP3168192U - Electrical connector - Google Patents

Abstract

An electrical connector is provided which can be easily released from a mold and can firmly couple conductive members. An electrical connector includes an insulating body and a conductive member. A concave tank 21 is provided on the end surface of the insulating main body 20, and a convex part 22 having a small outer diameter is provided on the bottom of the concave tank 21, and between the convex part 22 and the tank wall of the concave tank 21. An elastic groove 23 is provided for disposing the convex portion 22 that can be pushed outward and then restored to its original shape after being spread, and a coupling tank 24 is provided on the end surface of the convex portion 22 for coupling. On the tank wall of the tank 24, an annular groove 25 is provided at a location corresponding to the elastic groove 23, and a small hole diameter is provided at the bottom of the coupling tank 24, and a continuous hole 26 is provided. The conductive member penetrates the coupling tank 24 and the perforations 26, extends obliquely outward, is engaged with the annular groove 25, and is formed with a plurality of elastic protrusions formed on the side tank wall of the concave tank 21. 31 is provided on the outer peripheral wall. [Selection] Figure 6

Description

  The present invention relates to an electrical connector, and more particularly, to an electrical connector that can be easily released from a mold and can firmly couple conductive members.

  Please refer to FIG. 1 and FIG. As shown in FIGS. 1 and 2, the conventional electrical connector includes at least an insulating body 10, a fitting portion 11, and a terminal 12. The insulating body 10 is provided with a concave tub 13 at the end and a perforation 14 having a small hole diameter at the front end. Between the perforation 14 and the concave tank 13, a coupling tank 15 that connects the perforation 14 and the concave tank 13 is provided. An annular groove 16 is provided on the tank wall of the coupling tank 15. The fitting portion 11 is disposed in the coupling tank 15, and a plurality of elastic protrusions 17 that are obliquely extended outward and used to engage with the rear side wall of the annular groove 16 are provided at the end portion, and at the front end portion. A plurality of elastic engagement pieces 18 extending obliquely toward the inside are provided on the peripheral wall. The terminal 12 extends through the fitting portion 11 and then extends into the perforation 14, engages with the plurality of elastic engagement pieces 18, and a plurality of elastic locks that extend obliquely outward toward the end portion. A piece 19 is provided on the outer peripheral wall.

  However, the coupling tank 15 is formed in the insulating body 10, has a slightly larger hole diameter than the perforations 14, and has an annular groove 16 provided directly on the tank wall. Therefore, after the insulating main body 10 is injection-molded, it is difficult to perform the mold release, and when performing the mold release, the rear side wall of the annular groove 16 is scratched and damaged, and the fitting part 11 is engaged. There is a risk of losing. In particular, when the depth of the annular groove 16 is shallow so that it is easy to release, it is difficult to hook the fitting portion 11, and it is easy to come off from the coupling tank 15, and it is provided in the fitting portion 11. There is a possibility that the terminal 12 is detached from the insulating body 10. In addition, since the annular groove 16 is formed directly on the tank wall of the coupling tank 15, a very thick wall thickness formed between the outer peripheral surfaces of the insulating body 10 is expected to be injection-molded and cooled and solidified. There is a possibility that the coupling tank 15 and the annular groove 16 are deformed so much that they cannot be deformed, and the fitting portion 11 cannot be attached or becomes too loose. In some cases, the ring groove 16 cannot be engaged.

  The main object of the present invention is to provide an electrical connector that can be easily released from the mold and can firmly bond conductive members.

  In order to solve the above-described problem, according to a first embodiment of the present invention, an electrical connector including an insulating main body and a conductive member, wherein a terminal tank of the insulating main body is provided with a concave tank, and the concave tank A convex portion having a small outer diameter is provided at the bottom of the base plate, and can be pushed outward between the convex portion and the tank wall of the concave tub, and then restored to its original shape after being spread. An elastic groove for disposing the convex part is provided, a coupling tank is provided on an end surface of the convex part, and an annular groove is provided on the tank wall of the coupling tank at a position corresponding to the elastic groove. The bottom of the coupling tank is provided with a small hole diameter and provided with a perforated hole, and the conductive member extends through the coupling tank and the perforation, extends obliquely outward, and engages with the annular groove. And the outer peripheral wall has a plurality of elastic protrusions formed on the side tank wall of the concave tank. Electrical connector is provided, characterized in that.

  The conductive member has a fitting portion and a terminal, and the fitting portion is disposed in the coupling tank and has a plurality of elastic protrusions obliquely extended outward at the end, and the fitting portion On the peripheral wall, a plurality of elastic engagement pieces extending obliquely toward the inside toward the front end portion are provided, and the terminal extends toward the perforation through the fitting portion, and the outer periphery of the terminal On the wall, there are provided a plurality of elastic locking pieces extending obliquely toward the outside toward the end, and when the terminal is positioned through the fitting portion, the plurality of elastic locking pieces and the It is preferable that the plurality of elastic engagement pieces of the fitting portion are engaged.

  The electrical connector is a male contact, and the front end surface of the insulating body is provided with a protruding column having a small outer diameter, the perforation is extended into the protruding column, and the protruding column is an insertion hole for a female contact. The end face of the convex column is provided with a through hole that communicates with the perforation and penetrates the terminal of the female contact, and the terminal is provided with a conductive hole for inserting the terminal of the female contact. It is preferable.

  Two hooking portions project from the front end surface of the insulating body, and the two hooking portions are arranged on both sides of the convex pillar so that the convex pillars hooked on the female contact correspond to each other. It is preferable to be provided.

  It is preferable that a screw portion having a small outer diameter is provided at a location adjacent to the end portion of the outer peripheral surface of the insulating body.

  It is preferable that the insulating body has a plurality of pillars provided in an annular shape at a predetermined interval at a terminal portion.

  The electrical connector is a female contact, and a front end surface of the insulating body has an insertion hole for inserting a convex column of a male contact, the insertion hole communicates with the perforation, and the conductive member includes the insertion hole. It is preferable to project toward the.

  Two notch grooves corresponding to each other are provided on both sides at a location adjacent to the front end portion of the outer peripheral surface of the insulating body, and the insulating body is provided with two locking holes on the front end surface. The locking holes are preferably provided on both sides of the insertion hole so as to correspond to each other, penetrate the two notch grooves, and are locked to the two latching portions of the male contact.

  It is preferable that a screw portion having a small outer diameter is provided at a location adjacent to the end portion of the outer peripheral surface of the insulating body.

  It is preferable that the insulating body has a plurality of pillars provided in an annular shape at a predetermined interval at a terminal portion.

  The electrical connector of the present invention has a function that the convex part can be pushed outward by the structure design of the elastic groove and can be restored to its original shape after being spread, so the insulation body is injection molded Then, the mold can be easily released by the convex part that can be spread outwardly to the convex part and can be restored to the original shape after being spread. Moreover, it becomes difficult to come off by engaging a plurality of elastic protrusions of the conductive member with the deep annular groove manufactured on the tank wall of the coupling tank, and the coupling with the insulating main body becomes stronger. By using the elastic groove and the coupling groove, the thickness of the convex portion is reduced, and the amount of contraction is very small when cooled and solidified in injection molding. It can be prevented that the elastic projection piece cannot be attached or the elastic projection piece cannot be engaged due to being loosened too much after the conductive member is attached.

It is a disassembled sectional view which shows the conventional electrical connector. It is the elements on larger scale which show the conventional electrical connector. It is a disassembled perspective view which shows the electrical connector (male contact) by one Embodiment of this invention. It is a perspective view which shows the electrical connector (male contact) by one Embodiment of this invention. It is an exploded sectional view showing an electrical connector (male contact) by one embodiment of the present invention. It is the elements on larger scale which show the electrical connector (male contact) by one Embodiment of this invention. It is a disassembled perspective view which shows the electrical connector (female contact) by one Embodiment of this invention. It is a perspective view which shows the electrical connector (female contact) by one Embodiment of this invention. It is an exploded sectional view showing an electrical connector (female contact) by one embodiment of the present invention. It is the elements on larger scale which show a state when the electrical connector (female contact) by one Embodiment of this invention is mounted | worn. It is a perspective view which shows the electrical connector (male contact) by other embodiment of this invention. It is a perspective view which shows the electrical connector (female contact) by other embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited thereby.

  Please refer to FIG. As shown in FIGS. 3 to 10, the electrical connector according to the embodiment of the present invention includes at least an insulating body 20, a fitting portion 30, and a terminal 40.

  A recessed tank 21 is provided on the end surface of the insulating body 20. A convex part 22 having a small outer diameter is provided at the bottom of the concave tank 21, and can be pushed outward between the convex part 22 and the tank wall of the concave tank 21. The elastic groove 23 used for arranging the convex part 22 that recovers to the shape of is provided. A coupling tank 24 is provided on the end surface of the convex portion 22. On the tank wall of the coupling tank 24, an annular groove 25 is provided at a location corresponding to the elastic groove 23. A small hole diameter is provided at the bottom of the coupling tank 24, and a continuous hole 26 is provided.

  The fitting portion 30 is disposed in the coupling tank 24, and a plurality of elastic protrusions 31 that are engaged with the side tank wall facing the concave tank 21 are extended obliquely toward the outer side and are engaged with the annular groove 25. When combined, it is possible to prevent the fitting part 30 from coming off from the coupling tank 24 to the rear side. On the peripheral wall of the fitting portion 30, a plurality of elastic engagement pieces 32 extending obliquely inward toward the front end portion are provided.

  The terminal 40 is provided in the outer peripheral wall with a plurality of elastic locking pieces 41 extending through the fitting portion 30 and then extending into the perforation 26 and obliquely extending outward toward the end portion. When the terminal 40 is inserted through the fitting portion 30 and positioned, the plurality of elastic locking pieces 41 are engaged with the plurality of elastic engaging pieces 32 of the fitting portion 30, and the terminal 40 is engaged with the fitting portion 30. It is possible to prevent the rearward movement and the rearward movement. A terminal portion of the terminal 40 is connected to the cable 42.

  Please refer to FIG. As shown in FIGS. 3-6, the electrical connector by one Embodiment of this invention is a male contact. A convex column 50 having a small outer diameter is provided on the front end surface of the insulating body 20 so as to project. Two latching portions 51 are provided on both sides of the convex column 50 so as to correspond to each other. The perforations 26 are extended into the convex column 50. A through hole 52 communicating with the perforation 26 is provided on the end face of the convex column 50. A screw portion 53 having a small outer diameter is provided at a location adjacent to the end portion of the outer peripheral surface of the insulating body 20. The terminal 40 is provided with a conductive hole 43.

  Please refer to FIGS. As shown in FIGS. 7-10, the electrical connector by one Embodiment of this invention is a female contact. An insertion hole 60 used for inserting the convex column 50 of the male contact is provided in the front end surface of the insulating main body 20 of the female contact (see FIGS. 3 to 6). In the female contact, the insertion hole 60 and the perforation 26 communicate with each other. The terminal 40 of the female contact protrudes into the insertion hole 60, and when the convex column 50 of the male contact is inserted into the insertion hole 60, the terminal 40 in the female contact is in the conductive hole 43 of the terminal 40 of the male contact. Inserted into the conductive state. Two cutout grooves 61 are provided on both sides of the female contact insulation body 20 adjacent to the front end portion of the peripheral surface so as to correspond to each other. Two locking holes 62 are provided in the front end face of the insulating main body 20 of the female contact. The two locking holes 62 are provided so as to correspond to both sides of the insertion hole 60, communicate with the two notch grooves 61, and penetrate and lock the two hook portions 51 of the male contact described above. . On the outer peripheral surface of the insulating main body 20 of the female contact, a screw portion 63 having a small outer diameter is provided at a location adjacent to the end portion.

  Please refer to FIG. As shown in FIG. 11, the structure of the male contact (electrical connector) according to another embodiment of the present invention is substantially the same as that of the male contact of FIGS. The difference is that a plurality of pillars 54 provided annularly at intervals are provided at the end portions.

  Please refer to FIG. As shown in FIG. 12, the structure of the female contact (electrical connector) according to another embodiment of the present invention is substantially the same as that of the female contact of FIGS. The difference is that a plurality of pillars 64 provided annularly at intervals are provided at the end portions.

  The conductive member of the present embodiment is configured by a combination of the fitting portion 30 and the terminal 40. Of course, the conductive member of the present embodiment may be a single terminal or a single component such as another conductive element, and the plurality of elastic protrusions 31 provided on the fitting portion 30 described above may be It may be provided directly on the terminal or directly on the peripheral surface of a conductive member such as a conductive element.

  Since the convex part 22 of the insulation main body 20 of this embodiment is provided with the elastic groove 23 between the tank wall of the concave tank 21, even after the convex part 22 is pushed outward or expanded. It can be recovered to the shape of. Therefore, when the projection 22 is used after the insulating main body 20 is injection-molded, it is easy to perform mold release. In addition, the deep annular groove 25 provided on the tank wall of the coupling tank 24 makes it difficult for the plurality of elastic protrusions 31 of the conductive member to be engaged with each other and to disconnect the conductive member and the insulating body 20. It can be further strengthened. Further, by using the elastic groove 23 and the coupling tank 24, the thickness of the convex portion 22 is reduced, and when the injection molding is performed and cooling and solidifying, the amount of contraction becomes very small and the conductive member is deformed. Can be prevented from being attached or loosened after the conductive member is attached, and a situation where the elastic protrusion 31 is not engaged with the annular groove 25 can be prevented.

  The preferred embodiments of the present invention have been disclosed as described above so that those skilled in the art can understand them, but these do not limit the present invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the utility model registration claim of the present invention should be broadly interpreted including such changes and modifications.

DESCRIPTION OF SYMBOLS 10 Insulation body 11 Fitting part 12 Terminal 13 Concave tank 14 Perforation 15 Coupling tank 16 Ring groove 17 Elastic protrusion 18 Elastic engagement piece 19 Elastic locking piece 20 Insulation body 21 Concave tank 22 Convex part 23 Elastic groove 24 Coupling tank 25 Ring groove 26 Perforation 30 Fitting portion 31 Elastic protrusion 32 Elastic engagement piece 40 Terminal 41 Elastic locking piece 42 Cable 43 Conductive hole 50 Convex column 51 Latching portion 52 Through hole 53 Screw portion 63 Screw portion 54 Column body 60 Insertion Hole 61 Notch groove 62 Locking hole 64 Column

Claims (10)

An electrical connector comprising an insulating body and a conductive member,
A concave tub is provided on the end surface of the insulating body, a convex portion having a small outer diameter is provided on the bottom of the concave tub, and an outer side is provided between the convex portion and the tank wall of the concave tub. An elastic groove disposed in the convex portion that is restored to its original shape after being spread out is provided, and a coupling tank is provided on an end surface of the convex portion, on the tank wall of the coupling tank. Is provided with an annular groove at a location corresponding to the elastic groove, and a bottom portion of the coupling tank is provided with a perforation,
The conductive member extends through the coupling tank and the perforation, extends obliquely outward, engages with the annular groove, and forms a plurality of elastic protrusions formed on the side tank wall of the concave tank. An electrical connector comprising a piece on an outer peripheral wall. The conductive member has a fitting portion and a terminal,
The fitting portion has a plurality of elastic protrusions disposed in the coupling tank and obliquely extended outward, and obliquely extends toward the front end portion on the peripheral wall of the fitting portion. A plurality of elastic engagement pieces are provided, and the terminal extends through the fitting portion toward the perforation, and obliquely extends outward toward the end on the outer peripheral wall of the terminal. When the plurality of elastic locking pieces are provided and the terminal is positioned through the fitting portion, the plurality of elastic locking pieces and the plurality of elastic engagement pieces of the fitting portion are engaged. The electrical connector according to claim 1, wherein: The electrical connector is a male contact, and the front end surface of the insulating body is provided with a protruding column having a small outer diameter,
The perforations are extended into the convex columns;
The convex column is inserted into an insertion hole of a female contact, and an end surface of the convex column is provided with a through hole that communicates with the perforation and penetrates a terminal of the female contact.
The electrical connector according to claim 1, wherein the terminal is provided with a conductive hole into which the terminal of the female contact is inserted. Two hooks project from the front end surface of the insulating body,
The electrical connector according to claim 3, wherein the two latching portions are provided on both sides of the convex column such that the convex columns latched by the female contact correspond to each other.   The electrical connector according to claim 4, wherein a screw portion having a small outer diameter is provided at a location adjacent to the end portion of the outer peripheral surface of the insulating body.   The electrical connector according to claim 5, wherein the insulating main body has a plurality of pillars provided in a ring shape at predetermined intervals at a terminal portion. The electrical connector is a female contact, and the front end surface of the insulating body has an insertion hole for inserting a convex column of a male contact,
The insertion hole communicates with the perforation;
The electrical connector according to claim 1, wherein the conductive member protrudes toward the insertion hole. Two notch grooves corresponding to each other are provided on both sides at a location adjacent to the front end portion of the outer peripheral surface of the insulating body,
The insulating body is provided with two locking holes on the front end surface, the two locking holes are provided so as to correspond to both sides of the insertion hole, and penetrates the two notch grooves, The electrical connector according to claim 7, wherein the electrical connector is locked to two latching portions of the male contact.   The electrical connector according to claim 8, wherein a screw portion having a small outer diameter is provided at a location adjacent to the end portion of the outer peripheral surface of the insulating body.   The electrical connector according to claim 9, wherein the insulating main body has a plurality of pillars provided in an annular shape at predetermined intervals at a terminal portion.

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