JPH0565069U - connector - Google Patents

Abstract

(57) [Summary] [Purpose] The ability to enhance contact retention and detect incomplete contact insertion. [Structure] The connector includes an insulator 12, a contact 11, and a locking member 13. A locking recess 26 for locking a contact is formed in the contact storage chamber 25 of the insulator 12. When the locking member 13 is inserted through the first insertion hole 23 provided in the insulator 12 with the contact 11 accommodated in the contact accommodating chamber 25, the contact 11 moves upward and the engaging recess 2
Lock to 6. Further, when the contact 11 is incompletely inserted into the contact accommodating chamber 25, the locking member 13 cannot lock the contact 11 in the locking recess 26, so that an incomplete insertion state can be detected.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connector including a locking member that locks a contact with an insulator.

[0002]

[Prior Art]

 As shown in FIG. 6, the conventional connector has a conductive contact (socket contact) 1, an insulator 2 for accommodating the contact 1, and a contact 1 for completely locking the contact 1 on the insulator 2. The locking member 10 is provided. The contact 1 is a contact portion 3 that comes into contact with a mating contact (not shown) such as a pin contact in the uniaxial direction, a connecting portion 5a that connects to the core wire of the cable 4, and a cable holding portion that holds the covering portion of the cable 4. And a portion 5b. The insulator 2 is provided with a first insertion hole 7 for inserting a mating contact into the mating surface 6 on one side thereof to bring it into contact with the contact portion 3 and a first insertion hole 7 which is connected to the first insertion hole 7 and is fitted in the uniaxial direction. It has a contact accommodation chamber 8 penetrating on the side opposite to the surface 6. An insulator 9 for locking the contact 1 is provided on the inner wall of the contact storage chamber 8. Further, a second insertion hole 10a for inserting the locking member 10 is formed on the fitting surface 6 side of the insulator 2.

The connector is assembled as follows. First, with the locking member 10 pulled out from the insulator 2, the contact 1 to which the cable 4 is connected is inserted from the insertion opening of the contact storage chamber 8 on the opposite side of the fitting surface 6 in FIG. When the contact 1 is inserted, the insulator lance 9 is pushed by the contact portion 3 and bends upward, and when the insertion is continued, the insulator lance 9 elastically returns and the rear end of the contact portion 3 is locked by the insulator lance 9. 1 is retained. Next, the tip of the locking member 10 is inserted into the second insertion hole 10a from the fitting surface 6 side. The tip of the locking member 10 enters the upper side (back side) of the insulator lance 9. The tip of the locking member 10 prevents the insulator lance 9 from bending upward. At this time, the contact 1 is secondarily prevented from coming out of the contact storage chamber 8.

[0004]

[Problems to be solved by the device]

 However, since this connector has a structure in which the locking member 10 is inserted into the upper side (back side) of the insulator lance 9, due to the structure, the wall thickness t of the insulator lance 9 at the locking portion of the contact 1 (see FIG. 7). (See) cannot be thickened. In this connector, the contact 1 is locked by the locking force of only the insulator lance 9. Therefore, for example, when a strong rightward force is applied to the contact 1 in the plane of FIG. For example, the portion indicated by the wavy line A in FIG. 7 is sheared and broken. Therefore, there is a problem that the locking force of the contact 1 in the insulator 2 is weak.

Therefore, it is an object of the present invention to provide a connector having a high contact holding force.

[0006]

[Means for solving problems]

 According to the present invention, the contact includes a conductive contact and an insulator that accommodates the contact in a uniaxial direction, the contact has a contact portion that contacts the mating contact, and the insulator has a mating surface on one surface thereof. A first insertion hole for receiving the mating contact in the uniaxial direction and contacting the contact portion, and a first insertion hole that is continuous with the first insertion hole and penetrates in the uniaxial direction on the side opposite to the fitting surface. And a locking member that is inserted into the contact receiving chamber from the fitting surface side, and the insulator inserts the locking member in the fitting surface. The contact receiving chamber has a second insertion hole, and the contact receiving chamber has a locking recess into which the locking member is inserted and which moves the contact on the one axis to receive a part of the contact portion. Connector is obtained, wherein.

According to the present invention, an end plate facing the fitting surface is provided at one end of the locking member, and the end plate faces the first insertion hole and faces the mating surface. A connector provided with a third insertion hole for inserting the side contact is obtained.

[0008]

[Action]

 It is a connector having an insulator, a contact, and a locking member. A locking recess for contact locking is formed in the contact storage chamber formed in the insulator. When the locking member is inserted through the first insertion hole provided in the insulator while the contact is accommodated in the contact accommodating chamber, the contact moves upward and is locked in the locking recess. Further, when the contact is incompletely inserted into the contact accommodating chamber, the locking member cannot be inserted into the contact accommodating chamber, so that the incomplete insertion state can be detected. With the structure in which the contact moved upward by the locking member is locked in the locking concave portion provided above the contact storage chamber as described above, the thickness of the locking portion of the contact can be increased. it can. As a result, a high contact holding force can be obtained.

[0009]

【Example】

 An embodiment of the present invention will be described below. 1 to 3 show an embodiment of the connector of the present invention. With reference to FIGS. 1 to 3, the connector has a plurality of conductive contacts (socket contacts) 11, an insulator 12 that accommodates these contacts 11, and a contact 11 that locks the contacts 11 to the insulator 12. And a plurality of locking members 13 of. The contact 11 is a tubular contact portion 14 that comes into uniaxial contact with a mating contact (not shown) of the mating connector, a connecting portion 15 that connects the core wire 21 of the cable 20, and a cable holding portion that holds the cable 20. And part 16. The insulator 12 is provided with a first insertion hole 23 for receiving a mating contact (not shown) of the mating connector in the contact portion 14 on the mating surface 22 on one surface thereof, and a first insertion hole 23 connected to the first insertion hole 23. It has a contact accommodating chamber 25 penetrating to the side opposite to the fitting surface 22. A plurality of contact storage chambers 25 are formed in the insulator 12 at predetermined intervals. The distance between the contact accommodating chambers 25 is equal to the distance between the locking members 13. Further, the contact 11 has a ridge 12a formed in the uniaxial direction on one surface of the contact accommodating chamber 25 facing the bottom of the contact 11 with the width of the locking member 13 left. Mochi is housed.

The contact storage chamber 25 has a locking recess 26 that receives the contact 11 on the side of the fitting surface 22 and receives a part of the contact portion 14 and locks the contact 11. A second insertion hole 28 for inserting the locking member 13 is provided on the fitting surface 22 side of the insulator 12. These second insertion holes 28 communicate with the lower part of the contact accommodating chamber 25. The contact 11 is accommodated in the contact storage chamber 25, the locking member 13 is inserted into the second insertion hole 28, the upper portion of the contact 11 is moved to the locking recess 26, and the contact part 14 is engaged with the locking recess 26. It is what stops it. The locking member 13 is provided with an end plate 30 which is connected to the end opposite to the insertion side and integrally connected to the fitting surface 22 at a predetermined interval. The end plate 30 is provided with a third insertion hole 31 for inserting a mating contact. These third insertion holes 31 face the first insertion holes 23 in a one-to-one manner. The locking member 13 and the end plate 30 are integrally molded of synthetic resin. The contacts 11 are used corresponding to the number of the locking members 13 to the contact storage chambers 25.

The contact 11 is made by punching a conductive metal plate material by press working and then bending it. Contact lances 35 formed by cutting and raising one of the side surfaces of the contact portion 14 which are parallel to each other in the uniaxial direction are provided. Further, referring to FIG. 3, lance locking portions 37 for locking these contact transformers 35 are formed on both sides of the central portion of the contact accommodating chamber 25. Further, referring to FIG. 1, engagement projections 40 are provided on the pair of side surfaces 39 of the insulator 12 in a direction perpendicular to the fitting surface 22. On the other hand, a pair of side plates 42 extending so as to face the side surface 39 is connected to both ends of the end plate 30. The side plates 42 are provided with locking holes 43 that are locked to the protrusions 40 of the insulator 25.

Next, the work of locking the contact 11 to the insulator 12 will be described below. As shown in FIG. 2, the contact 11 is inserted into the contact storage chamber 12 of the insulator 12 in a state where the locking member 13 and the insulator 12 are disassembled. In this case, as shown in FIG. 3, the contact lance 35 of the contact 11 is locked by the lance locking portion 37 of the contact accommodating chamber 25. By this locking, the contact 11 is temporarily locked in the contact storage chamber 25, that is, in a temporarily fixed state. The primary locking improves the workability at the time of inserting the contacts and facilitates the mounting of the large number of contacts 11 on the insulator 12.

Next, the end plate 30 is moved relative to the insulator 12, and the tip of the locking member 13 is inserted into the first insertion hole 28 from the fitting surface 22 side of the insulator 12. Further, the locking member 13 has an inclined surface 13a that is inclined in the tip direction. When the locking member 13 is inserted, the contact 11 is pushed uniaxially by the locking member 13 and moves upward in the contact accommodating chamber 25, and the upper part of the contact part 14 is a locking recess above the contact accommodating chamber 25. It is housed at 26. FIG. 4 shows a state in which the locking member 13 is completely inserted. The locking member 13 prevents the contact 11 from moving downward, and the contact 11 is at the rear end of the contact portion 14. It is locked in the locking recess 26 at the locking surface 45. Here, the wire connection part 15 and the cable holding part 16 connect the cable 20 by crimping in a state of being lower than the contact part 14. Further, in the wall of the insulator 12, since the thickness of the other portion is thicker than the thickness of the locking recess 26, the insulator lance 35 is not easily sheared. Therefore, by locking the locking surface 45 of the contact 11 and the rear end surface of the locking recess 26, the contact 11 can be held in the insulator 12 with a high holding force.

FIG. 5 shows a case where the contact 11 is not completely inserted into the contact accommodating chamber 25 and the locking member 13 is inserted in a state where the primary locking is not performed. That is, in this case, the contact portion 14 of the contact 11 cannot move upward because it is blocked by the inner wall of the contact accommodating chamber 25, and therefore, the upward movement of the contact 11 by the tip of the locking member 13 is not possible. It is possible and the locking member 13 is not inserted into the contact storage chamber 25. That is, when the contact 11 is not completely inserted into the contact accommodating chamber 25, the locking member 13 is not inserted because it is not in the primary locking state, and therefore, detection can be performed when the contact 11 is incompletely inserted. ..

In the embodiment described above, the contact lance 35 is provided on the contact 11 and the connector is primarily locked to the insulator 12. However, the contact lance 35 is not always necessary. That is, a connector having only locking means for locking the locking surface 45 at the rear end of the contact portion 14 of the contact 11 with the locking recess 26 of the insulator 12 may be used.

[0016]

[Effect of the device]

 As described above, according to the present invention, since the contact is moved by the locking member inserted in the insulator to be locked in the locking recess in the upper part of the contact storage chamber, a high contact holding force is provided. The connector can be obtained. Further, when the contact is not completely inserted into the contact accommodating chamber of the insulator, the locking member cannot be inserted, so that the incomplete insertion of the contact can be detected.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a connector according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state in which a contact is inserted into a contact accommodating chamber in the connector of FIG.

FIG. 3 is an explanatory diagram showing a locked state of a contact lance and a lance locking part when a contact is inserted into a contact storage chamber with the connector of FIG.

FIG. 4 is a cross-sectional view showing a state in which a contact is inserted into a contact accommodating chamber and a locking member is further inserted in the connector of FIG.

5 is a cross-sectional view showing a state in which a contact is inserted incompletely into a contact accommodating chamber in the connector of FIG. 1 with a locking member inserted.

FIG. 6 is a cross-sectional view of a conventional connector.

FIG. 7 is an explanatory view showing a state where the insulator lance is sheared in the connector of FIG.

[Explanation of symbols]

 1, 11 contact 2, 12 insulator 3, 14 contact part 4, 20 cable 5a, 15 connection part 5b, 16 cable holding part 7, 23 first insertion hole 6, 22 mating surface 8, 25 contact accommodating chamber 10a, 28 Second insertion hole 13 Locking member 30 End plate 31 Third insertion hole 35 Contact lance

Claims (2)

[Scope of utility model registration request] 1. A conductive contact and an insulator for accommodating the contact in a uniaxial direction, wherein the contact has a contact portion for contacting a mating contact, and the insulator has a mating surface on one surface thereof. A first insertion hole for receiving the mating contact in the uniaxial direction and contacting the contact portion, and a contact that is connected to the first insertion hole and penetrates in the uniaxial direction on the side opposite to the fitting surface A connector having an accommodation chamber, the locking member being inserted into the contact accommodation chamber from the fitting surface side, and the insulator inserting the locking member into the fitting surface. The contact accommodating chamber has an insertion hole, and the contact storage chamber has a locking recess into which the locking member is inserted and which moves the contact on the one axis to receive a part of the contact portion. Connector to be. 2. An end plate facing the fitting surface is provided at one end of the locking member, and the end plate faces the first insertion hole and inserts the mating contact. The connector according to claim 1, wherein the connector has three insertion holes.